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Snapshot tool: S3 orphaned files cleanup (#44551) 

A tool to work with snapshots.
Co-authored by @original-brownbear.
This commit adds snapshot tool and the single command cleanup, that
cleans up orphaned files for S3.
Snapshot tool lives in x-pack/snapshot-tool.

(cherry picked from commit fc4aed44dd975d83229561090f957a95cc76b287)
This commit is contained in:
Andrey Ershov 2019-07-18 17:35:10 +02:00
parent 661f70183e
commit 09edeeb38e
40 changed files with 3515 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
buildSrc/src/main/java/org/elasticsearch/gradle/ElasticsearchDistribution.java
View File

@ -68,7 +68,7 @@ public class ElasticsearchDistribution implements Buildable {
}
// package private to tests can use
static final Platform CURRENT_PLATFORM = OS.<Platform>conditional()
public static final Platform CURRENT_PLATFORM = OS.<Platform>conditional()
.onLinux(() -> Platform.LINUX)
.onWindows(() -> Platform.WINDOWS)
.onMac(() -> Platform.DARWIN)

2
server/src/main/java/org/elasticsearch/repositories/blobstore/BlobStoreRepository.java
View File

@ -170,7 +170,7 @@ public abstract class BlobStoreRepository extends AbstractLifecycleComponent imp
private static final String SNAPSHOT_CODEC = "snapshot";
private static final String INDEX_FILE_PREFIX = "index-";
public static final String INDEX_FILE_PREFIX = "index-";
private static final String INDEX_LATEST_BLOB = "index.latest";

79
test/framework/src/main/java/org/elasticsearch/repositories/blobstore/BlobStoreTestUtil.java
View File

@ -22,6 +22,9 @@ import org.elasticsearch.action.ActionRunnable;
import org.elasticsearch.action.support.PlainActionFuture;
import org.elasticsearch.common.Strings;
import org.elasticsearch.common.blobstore.BlobContainer;
import org.elasticsearch.common.blobstore.BlobMetaData;
import org.elasticsearch.common.blobstore.BlobPath;
import org.elasticsearch.common.blobstore.BlobStore;
import org.elasticsearch.common.unit.TimeValue;
import org.elasticsearch.common.xcontent.LoggingDeprecationHandler;
import org.elasticsearch.common.xcontent.NamedXContentRegistry;
@ -35,6 +38,7 @@ import org.elasticsearch.snapshots.SnapshotInfo;
import org.elasticsearch.test.InternalTestCluster;
import org.elasticsearch.threadpool.ThreadPool;
import java.io.ByteArrayInputStream;
import java.io.DataInputStream;
import java.io.IOException;
import java.io.InputStream;
@ -42,12 +46,17 @@ import java.nio.file.NoSuchFileException;
import java.util.Collection;
import java.util.Collections;
import java.util.List;
import java.util.Locale;
import java.util.Map;
import java.util.Set;
import java.util.concurrent.ExecutionException;
import java.util.Locale;
import java.util.concurrent.Executor;
import java.util.concurrent.atomic.AtomicLong;
import java.util.stream.Collectors;
import static org.elasticsearch.test.ESTestCase.randomIntBetween;
import static org.hamcrest.Matchers.containsInAnyOrder;
import static org.hamcrest.Matchers.empty;
import static org.hamcrest.Matchers.hasKey;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertThat;
@ -168,4 +177,72 @@ public final class BlobStoreTestUtil {
}
}
}
public static long createDanglingIndex(BlobStoreRepository repository, String name, Set<String> files)
throws InterruptedException, ExecutionException {
final PlainActionFuture<Void> future = PlainActionFuture.newFuture();
final AtomicLong totalSize = new AtomicLong();
repository.threadPool().generic().execute(new ActionRunnable<>(future) {
@Override
protected void doRun() throws Exception {
final BlobStore blobStore = repository.blobStore();
BlobContainer container =
blobStore.blobContainer(repository.basePath().add("indices").add(name));
for (String file : files) {
int size = randomIntBetween(0, 10);
totalSize.addAndGet(size);
container.writeBlob(file, new ByteArrayInputStream(new byte[size]), size, false);
}
future.onResponse(null);
}
});
future.get();
return totalSize.get();
}
public static void assertCorruptionVisible(BlobStoreRepository repository, Map<String, Set<String>> indexToFiles) {
final PlainActionFuture<Boolean> future = PlainActionFuture.newFuture();
repository.threadPool().generic().execute(new ActionRunnable<>(future) {
@Override
protected void doRun() throws Exception {
final BlobStore blobStore = repository.blobStore();
for (String index : indexToFiles.keySet()) {
if (blobStore.blobContainer(repository.basePath().add("indices"))
.children().containsKey(index) == false) {
future.onResponse(false);
return;
}
for (String file : indexToFiles.get(index)) {
if (blobStore.blobContainer(repository.basePath().add("indices").add(index))
.blobExists(file) == false) {
future.onResponse(false);
return;
}
}
}
future.onResponse(true);
}
});
assertTrue(future.actionGet());
}
public static void assertBlobsByPrefix(BlobStoreRepository repository, BlobPath path, String prefix, Map<String, BlobMetaData> blobs) {
final PlainActionFuture<Map<String, BlobMetaData>> future = PlainActionFuture.newFuture();
repository.threadPool().generic().execute(new ActionRunnable<>(future) {
@Override
protected void doRun() throws Exception {
final BlobStore blobStore = repository.blobStore();
future.onResponse(blobStore.blobContainer(path).listBlobsByPrefix(prefix));
}
});
Map<String, BlobMetaData> foundBlobs = future.actionGet();
if (blobs.isEmpty()) {
assertThat(foundBlobs.keySet(), empty());
} else {
assertThat(foundBlobs.keySet(), containsInAnyOrder(blobs.keySet().toArray(Strings.EMPTY_ARRAY)));
for (Map.Entry<String, BlobMetaData> entry : foundBlobs.entrySet()) {
assertEquals(entry.getValue().length(), blobs.get(entry.getKey()).length());
}
}
}
}

159
x-pack/snapshot-tool/build.gradle Normal file
View File

@ -0,0 +1,159 @@
/*
* Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
* or more contributor license agreements. Licensed under the Elastic License;
* you may not use this file except in compliance with the Elastic License.
*/
import java.nio.file.Files
import java.nio.file.Paths
import org.elasticsearch.gradle.ElasticsearchDistribution
apply plugin: 'elasticsearch.build'
apply plugin: 'elasticsearch.test.fixtures'
dependencies {
compile project(":server")
compile project(":libs:elasticsearch-cli")
compile "com.amazonaws:aws-java-sdk-s3:${versions.aws}"
compile "com.amazonaws:aws-java-sdk-core:${versions.aws}"
compile "com.amazonaws:jmespath-java:${versions.aws}"
compile "org.apache.httpcomponents:httpclient:${versions.httpclient}"
compile "org.apache.httpcomponents:httpcore:${versions.httpcore}"
compile "commons-logging:commons-logging:${versions.commonslogging}"
compile "commons-codec:commons-codec:${versions.commonscodec}"
compile "org.apache.logging.log4j:log4j-1.2-api:${versions.log4j}"
compile "com.fasterxml.jackson.core:jackson-core:${versions.jackson}"
compile 'com.fasterxml.jackson.core:jackson-databind:2.8.11.3'
compile "com.fasterxml.jackson.core:jackson-annotations:${versions.jackson}"
testCompile project(":test:framework")
testCompile project(":plugins:repository-s3")
// HACK: javax.xml.bind was removed from default modules in java 9, so we pull the api in here,
// and whitelist this hack in JarHell
compile 'javax.xml.bind:jaxb-api:2.2.2'
}
dependencyLicenses {
mapping from: /aws-java-sdk-.*/, to: 'aws-java-sdk'
mapping from: /jmespath-java.*/, to: 'aws-java-sdk'
mapping from: /jackson-.*/, to: 'jackson'
mapping from: /jaxb-.*/, to: 'jaxb'
}
test {
// these are tested explicitly in separate test tasks
exclude '**/S3CleanupTests.class'
}
// Disabled to quiet the testing convention check since we only run third party tests
test.enabled = false
String s3PermanentAccessKey = 's3_integration_test_permanent_access_key'
String s3PermanentSecretKey = 's3_integration_test_permanent_secret_key'
String s3PermanentBucket = 'permanent-bucket-test'
String s3PermanentBasePath = 'integration_test'
task thirdPartyTest(type: Test) {
include '**/S3CleanupTests.class'
systemProperty 'tests.security.manager', 'false'
systemProperty 'test.s3.account', s3PermanentAccessKey
systemProperty 'test.s3.key', s3PermanentSecretKey
systemProperty 'test.s3.bucket', s3PermanentBucket
systemProperty 'test.s3.base', s3PermanentBasePath
}
task writeDockerFile {
File minioDockerfile = new File("${project.buildDir}/minio-docker/Dockerfile")
outputs.file(minioDockerfile)
doLast {
minioDockerfile.parentFile.mkdirs()
minioDockerfile.text =
"FROM minio/minio:RELEASE.2019-01-23T23-18-58Z\n" +
"RUN mkdir -p /minio/data/${s3PermanentBucket}\n" +
"ENV MINIO_ACCESS_KEY ${s3PermanentAccessKey}\n" +
"ENV MINIO_SECRET_KEY ${s3PermanentSecretKey}"
}
}
preProcessFixture {
dependsOn(writeDockerFile)
}
def minioAddress = {
int minioPort = postProcessFixture.ext."test.fixtures.minio-fixture.tcp.9000"
assert minioPort > 0
'http://127.0.0.1:' + minioPort
}
thirdPartyTest {
dependsOn tasks.postProcessFixture
nonInputProperties.systemProperty 'test.s3.endpoint', "${ -> minioAddress.call() }"
}
task unpackArchive(dependsOn: tasks.assemble, type: Copy) {
from tarTree("${project.buildDir}/snapshot-tool-${project.version}.tgz")
into "${project.buildDir}"
}
task smokeTest(type: Exec) {
dependsOn unpackArchive
onlyIf { ElasticsearchDistribution.CURRENT_PLATFORM != ElasticsearchDistribution.Platform.WINDOWS }
commandLine "${project.buildDir}/snapshot-tool-${project.version}/bin/elasticsearch-snapshot", "-h"
}
check.dependsOn(thirdPartyTest)
check.dependsOn(smokeTest)
def vendorPath = Paths.get("${project.buildDir}/libs/vendor")
task copyRuntimeLibs(type: Copy) {
doFirst {
Files.createDirectories(vendorPath)
}
into vendorPath.toString()
from configurations.compile, configurations.runtime
}
task buildTarArchive(dependsOn: copyRuntimeLibs, type: Tar) {
compression Compression.GZIP
archiveBaseName.set('snapshot-tool')
destinationDirectory.set(project.buildDir)
into "snapshot-tool-${version}", {
into "bin", {
from file("${project.projectDir}/src/bin")
}
into "libs", {
from jar.getArchiveFile()
from file("${project.buildDir}/libs")
}
}
}
assemble.dependsOn(buildTarArchive)
thirdPartyAudit.ignoreMissingClasses (
// classes are missing
'javax.activation.DataHandler',
'javax.servlet.ServletContextEvent',
'javax.servlet.ServletContextListener',
'org.apache.avalon.framework.logger.Logger',
'org.apache.log.Hierarchy',
'org.apache.log.Logger',
'software.amazon.ion.IonReader',
'software.amazon.ion.IonSystem',
'software.amazon.ion.IonType',
'software.amazon.ion.IonWriter',
'software.amazon.ion.Timestamp',
'software.amazon.ion.system.IonBinaryWriterBuilder',
'software.amazon.ion.system.IonSystemBuilder',
'software.amazon.ion.system.IonTextWriterBuilder',
'software.amazon.ion.system.IonWriterBuilder',
// We don't use the kms dependency
'com.amazonaws.services.kms.AWSKMS',
'com.amazonaws.services.kms.AWSKMSClient',
'com.amazonaws.services.kms.model.DecryptRequest',
'com.amazonaws.services.kms.model.DecryptResult',
'com.amazonaws.services.kms.model.EncryptRequest',
'com.amazonaws.services.kms.model.EncryptResult',
'com.amazonaws.services.kms.model.GenerateDataKeyRequest',
'com.amazonaws.services.kms.model.GenerateDataKeyResult'
)

9
x-pack/snapshot-tool/docker-compose.yml Normal file
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@ -0,0 +1,9 @@
version: '3'
services:
minio-fixture:
build:
context: ./build/minio-docker
dockerfile: Dockerfile
ports:
- "9000"
command: ["server", "/minio/data"]

63
x-pack/snapshot-tool/licenses/aws-java-sdk-LICENSE.txt Normal file
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@ -0,0 +1,63 @@
Apache License
Version 2.0, January 2004
TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
1. Definitions.
"License" shall mean the terms and conditions for use, reproduction, and distribution as defined by Sections 1 through 9 of this document.
"Licensor" shall mean the copyright owner or entity authorized by the copyright owner that is granting the License.
"Legal Entity" shall mean the union of the acting entity and all other entities that control, are controlled by, or are under common control with that entity. For the purposes of this definition, "control" means (i) the power, direct or indirect, to cause the direction or management of such entity, whether by contract or otherwise, or (ii) ownership of fifty percent (50%) or more of the outstanding shares, or (iii) beneficial ownership of such entity.
"You" (or "Your") shall mean an individual or Legal Entity exercising permissions granted by this License.
"Source" form shall mean the preferred form for making modifications, including but not limited to software source code, documentation source, and configuration files.
"Object" form shall mean any form resulting from mechanical transformation or translation of a Source form, including but not limited to compiled object code, generated documentation, and conversions to other media types.
"Work" shall mean the work of authorship, whether in Source or Object form, made available under the License, as indicated by a copyright notice that is included in or attached to the work (an example is provided in the Appendix below).
"Derivative Works" shall mean any work, whether in Source or Object form, that is based on (or derived from) the Work and for which the editorial revisions, annotations, elaborations, or other modifications represent, as a whole, an original work of authorship. For the purposes of this License, Derivative Works shall not include works that remain separable from, or merely link (or bind by name) to the interfaces of, the Work and Derivative Works thereof.
"Contribution" shall mean any work of authorship, including the original version of the Work and any modifications or additions to that Work or Derivative Works thereof, that is intentionally submitted to Licensor for inclusion in the Work by the copyright owner or by an individual or Legal Entity authorized to submit on behalf of the copyright owner. For the purposes of this definition, "submitted" means any form of electronic, verbal, or written communication sent to the Licensor or its representatives, including but not limited to communication on electronic mailing lists, source code control systems, and issue tracking systems that are managed by, or on behalf of, the Licensor for the purpose of discussing and improving the Work, but excluding communication that is conspicuously marked or otherwise designated in writing by the copyright owner as "Not a Contribution."
"Contributor" shall mean Licensor and any individual or Legal Entity on behalf of whom a Contribution has been received by Licensor and subsequently incorporated within the Work.
2. Grant of Copyright License. Subject to the terms and conditions of this License, each Contributor hereby grants to You a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare Derivative Works of, publicly display, publicly perform, sublicense, and distribute the Work and such Derivative Works in Source or Object form.
3. Grant of Patent License. Subject to the terms and conditions of this License, each Contributor hereby grants to You a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable (except as stated in this section) patent license to make, have made, use, offer to sell, sell, import, and otherwise transfer the Work, where such license applies only to those patent claims licensable by such Contributor that are necessarily infringed by their Contribution(s) alone or by combination of their Contribution(s) with the Work to which such Contribution(s) was submitted. If You institute patent litigation against any entity (including a cross-claim or counterclaim in a lawsuit) alleging that the Work or a Contribution incorporated within the Work constitutes direct or contributory patent infringement, then any patent licenses granted to You under this License for that Work shall terminate as of the date such litigation is filed.
4. Redistribution. You may reproduce and distribute copies of the Work or Derivative Works thereof in any medium, with or without modifications, and in Source or Object form, provided that You meet the following conditions:
1. You must give any other recipients of the Work or Derivative Works a copy of this License; and
2. You must cause any modified files to carry prominent notices stating that You changed the files; and
3. You must retain, in the Source form of any Derivative Works that You distribute, all copyright, patent, trademark, and attribution notices from the Source form of the Work, excluding those notices that do not pertain to any part of the Derivative Works; and
4. If the Work includes a "NOTICE" text file as part of its distribution, then any Derivative Works that You distribute must include a readable copy of the attribution notices contained within such NOTICE file, excluding those notices that do not pertain to any part of the Derivative Works, in at least one of the following places: within a NOTICE text file distributed as part of the Derivative Works; within the Source form or documentation, if provided along with the Derivative Works; or, within a display generated by the Derivative Works, if and wherever such third-party notices normally appear. The contents of the NOTICE file are for informational purposes only and do not modify the License. You may add Your own attribution notices within Derivative Works that You distribute, alongside or as an addendum to the NOTICE text from the Work, provided that such additional attribution notices cannot be construed as modifying the License.
You may add Your own copyright statement to Your modifications and may provide additional or different license terms and conditions for use, reproduction, or distribution of Your modifications, or for any such Derivative Works as a whole, provided Your use, reproduction, and distribution of the Work otherwise complies with the conditions stated in this License.
5. Submission of Contributions. Unless You explicitly state otherwise, any Contribution intentionally submitted for inclusion in the Work by You to the Licensor shall be under the terms and conditions of this License, without any additional terms or conditions. Notwithstanding the above, nothing herein shall supersede or modify the terms of any separate license agreement you may have executed with Licensor regarding such Contributions.
6. Trademarks. This License does not grant permission to use the trade names, trademarks, service marks, or product names of the Licensor, except as required for reasonable and customary use in describing the origin of the Work and reproducing the content of the NOTICE file.
7. Disclaimer of Warranty. Unless required by applicable law or agreed to in writing, Licensor provides the Work (and each Contributor provides its Contributions) on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied, including, without limitation, any warranties or conditions of TITLE, NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A PARTICULAR PURPOSE. You are solely responsible for determining the appropriateness of using or redistributing the Work and assume any risks associated with Your exercise of permissions under this License.
8. Limitation of Liability. In no event and under no legal theory, whether in tort (including negligence), contract, or otherwise, unless required by applicable law (such as deliberate and grossly negligent acts) or agreed to in writing, shall any Contributor be liable to You for damages, including any direct, indirect, special, incidental, or consequential damages of any character arising as a result of this License or out of the use or inability to use the Work (including but not limited to damages for loss of goodwill, work stoppage, computer failure or malfunction, or any and all other commercial damages or losses), even if such Contributor has been advised of the possibility of such damages.
9. Accepting Warranty or Additional Liability. While redistributing the Work or Derivative Works thereof, You may choose to offer, and charge a fee for, acceptance of support, warranty, indemnity, or other liability obligations and/or rights consistent with this License. However, in accepting such obligations, You may act only on Your own behalf and on Your sole responsibility, not on behalf of any other Contributor, and only if You agree to indemnify, defend, and hold each Contributor harmless for any liability incurred by, or claims asserted against, such Contributor by reason of your accepting any such warranty or additional liability.
END OF TERMS AND CONDITIONS
Note: Other license terms may apply to certain, identified software files contained within or distributed with the accompanying software if such terms are included in the directory containing the accompanying software. Such other license terms will then apply in lieu of the terms of the software license above.
JSON processing code subject to the JSON License from JSON.org:
Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
The Software shall be used for Good, not Evil.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

15
x-pack/snapshot-tool/licenses/aws-java-sdk-NOTICE.txt Normal file
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@ -0,0 +1,15 @@
AWS SDK for Java
Copyright 2010-2014 Amazon.com, Inc. or its affiliates. All Rights Reserved.
This product includes software developed by
Amazon Technologies, Inc (http://www.amazon.com/).
**********************
THIRD PARTY COMPONENTS
**********************
This software includes third party software subject to the following copyrights:
- XML parsing and utility functions from JetS3t - Copyright 2006-2009 James Murty.
- JSON parsing and utility functions from JSON.org - Copyright 2002 JSON.org.
- PKCS#1 PEM encoded private key parsing and utility functions from oauth.googlecode.com - Copyright 1998-2010 AOL Inc.
The licenses for these third party components are included in LICENSE.txt

1
x-pack/snapshot-tool/licenses/aws-java-sdk-core-1.11.562.jar.sha1 Normal file
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@ -0,0 +1 @@
b5fc47ec1b5afe180f5ebb4eda755acdca7a20ae

1
x-pack/snapshot-tool/licenses/aws-java-sdk-s3-1.11.562.jar.sha1 Normal file
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@ -0,0 +1 @@
1712c878f7e9483ceac1eb2356a9457a3c8df03e

1
x-pack/snapshot-tool/licenses/commons-codec-1.11.jar.sha1 Normal file
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@ -0,0 +1 @@
3acb4705652e16236558f0f4f2192cc33c3bd189

202
x-pack/snapshot-tool/licenses/commons-codec-LICENSE.txt Normal file
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@ -0,0 +1,202 @@
Apache License
Version 2.0, January 2004
http://www.apache.org/licenses/
TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
1. Definitions.
"License" shall mean the terms and conditions for use, reproduction,
and distribution as defined by Sections 1 through 9 of this document.
"Licensor" shall mean the copyright owner or entity authorized by
the copyright owner that is granting the License.
"Legal Entity" shall mean the union of the acting entity and all
other entities that control, are controlled by, or are under common
control with that entity. For the purposes of this definition,
"control" means (i) the power, direct or indirect, to cause the
direction or management of such entity, whether by contract or
otherwise, or (ii) ownership of fifty percent (50%) or more of the
outstanding shares, or (iii) beneficial ownership of such entity.
"You" (or "Your") shall mean an individual or Legal Entity
exercising permissions granted by this License.
"Source" form shall mean the preferred form for making modifications,
including but not limited to software source code, documentation
source, and configuration files.
"Object" form shall mean any form resulting from mechanical
transformation or translation of a Source form, including but
not limited to compiled object code, generated documentation,
and conversions to other media types.
"Work" shall mean the work of authorship, whether in Source or
Object form, made available under the License, as indicated by a
copyright notice that is included in or attached to the work
(an example is provided in the Appendix below).
"Derivative Works" shall mean any work, whether in Source or Object
form, that is based on (or derived from) the Work and for which the
editorial revisions, annotations, elaborations, or other modifications
represent, as a whole, an original work of authorship. For the purposes
of this License, Derivative Works shall not include works that remain
separable from, or merely link (or bind by name) to the interfaces of,
the Work and Derivative Works thereof.
"Contribution" shall mean any work of authorship, including
the original version of the Work and any modifications or additions
to that Work or Derivative Works thereof, that is intentionally
submitted to Licensor for inclusion in the Work by the copyright owner
or by an individual or Legal Entity authorized to submit on behalf of
the copyright owner. For the purposes of this definition, "submitted"
means any form of electronic, verbal, or written communication sent
to the Licensor or its representatives, including but not limited to
communication on electronic mailing lists, source code control systems,
and issue tracking systems that are managed by, or on behalf of, the
Licensor for the purpose of discussing and improving the Work, but
excluding communication that is conspicuously marked or otherwise
designated in writing by the copyright owner as "Not a Contribution."
"Contributor" shall mean Licensor and any individual or Legal Entity
on behalf of whom a Contribution has been received by Licensor and
subsequently incorporated within the Work.
2. Grant of Copyright License. Subject to the terms and conditions of
this License, each Contributor hereby grants to You a perpetual,
worldwide, non-exclusive, no-charge, royalty-free, irrevocable
copyright license to reproduce, prepare Derivative Works of,
publicly display, publicly perform, sublicense, and distribute the
Work and such Derivative Works in Source or Object form.
3. Grant of Patent License. Subject to the terms and conditions of
this License, each Contributor hereby grants to You a perpetual,
worldwide, non-exclusive, no-charge, royalty-free, irrevocable
(except as stated in this section) patent license to make, have made,
use, offer to sell, sell, import, and otherwise transfer the Work,
where such license applies only to those patent claims licensable
by such Contributor that are necessarily infringed by their
Contribution(s) alone or by combination of their Contribution(s)
with the Work to which such Contribution(s) was submitted. If You
institute patent litigation against any entity (including a
cross-claim or counterclaim in a lawsuit) alleging that the Work
or a Contribution incorporated within the Work constitutes direct
or contributory patent infringement, then any patent licenses
granted to You under this License for that Work shall terminate
as of the date such litigation is filed.
4. Redistribution. You may reproduce and distribute copies of the
Work or Derivative Works thereof in any medium, with or without
modifications, and in Source or Object form, provided that You
meet the following conditions:
(a) You must give any other recipients of the Work or
Derivative Works a copy of this License; and
(b) You must cause any modified files to carry prominent notices
stating that You changed the files; and
(c) You must retain, in the Source form of any Derivative Works
that You distribute, all copyright, patent, trademark, and
attribution notices from the Source form of the Work,
excluding those notices that do not pertain to any part of
the Derivative Works; and
(d) If the Work includes a "NOTICE" text file as part of its
distribution, then any Derivative Works that You distribute must
include a readable copy of the attribution notices contained
within such NOTICE file, excluding those notices that do not
pertain to any part of the Derivative Works, in at least one
of the following places: within a NOTICE text file distributed
as part of the Derivative Works; within the Source form or
documentation, if provided along with the Derivative Works; or,
within a display generated by the Derivative Works, if and
wherever such third-party notices normally appear. The contents
of the NOTICE file are for informational purposes only and
do not modify the License. You may add Your own attribution
notices within Derivative Works that You distribute, alongside
or as an addendum to the NOTICE text from the Work, provided
that such additional attribution notices cannot be construed
as modifying the License.
You may add Your own copyright statement to Your modifications and
may provide additional or different license terms and conditions
for use, reproduction, or distribution of Your modifications, or
for any such Derivative Works as a whole, provided Your use,
reproduction, and distribution of the Work otherwise complies with
the conditions stated in this License.
5. Submission of Contributions. Unless You explicitly state otherwise,
any Contribution intentionally submitted for inclusion in the Work
by You to the Licensor shall be under the terms and conditions of
this License, without any additional terms or conditions.
Notwithstanding the above, nothing herein shall supersede or modify
the terms of any separate license agreement you may have executed
with Licensor regarding such Contributions.
6. Trademarks. This License does not grant permission to use the trade
names, trademarks, service marks, or product names of the Licensor,
except as required for reasonable and customary use in describing the
origin of the Work and reproducing the content of the NOTICE file.
7. Disclaimer of Warranty. Unless required by applicable law or
agreed to in writing, Licensor provides the Work (and each
Contributor provides its Contributions) on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
implied, including, without limitation, any warranties or conditions
of TITLE, NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A
PARTICULAR PURPOSE. You are solely responsible for determining the
appropriateness of using or redistributing the Work and assume any
risks associated with Your exercise of permissions under this License.
8. Limitation of Liability. In no event and under no legal theory,
whether in tort (including negligence), contract, or otherwise,
unless required by applicable law (such as deliberate and grossly
negligent acts) or agreed to in writing, shall any Contributor be
liable to You for damages, including any direct, indirect, special,
incidental, or consequential damages of any character arising as a
result of this License or out of the use or inability to use the
Work (including but not limited to damages for loss of goodwill,
work stoppage, computer failure or malfunction, or any and all
other commercial damages or losses), even if such Contributor
has been advised of the possibility of such damages.
9. Accepting Warranty or Additional Liability. While redistributing
the Work or Derivative Works thereof, You may choose to offer,
and charge a fee for, acceptance of support, warranty, indemnity,
or other liability obligations and/or rights consistent with this
License. However, in accepting such obligations, You may act only
on Your own behalf and on Your sole responsibility, not on behalf
of any other Contributor, and only if You agree to indemnify,
defend, and hold each Contributor harmless for any liability
incurred by, or claims asserted against, such Contributor by reason
of your accepting any such warranty or additional liability.
END OF TERMS AND CONDITIONS
APPENDIX: How to apply the Apache License to your work.
To apply the Apache License to your work, attach the following
boilerplate notice, with the fields enclosed by brackets "[]"
replaced with your own identifying information. (Don't include
the brackets!) The text should be enclosed in the appropriate
comment syntax for the file format. We also recommend that a
file or class name and description of purpose be included on the
same "printed page" as the copyright notice for easier
identification within third-party archives.
Copyright [yyyy] [name of copyright owner]
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.

17
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Apache Commons Codec
Copyright 2002-2015 The Apache Software Foundation
This product includes software developed at
The Apache Software Foundation (http://www.apache.org/).
src/test/org/apache/commons/codec/language/DoubleMetaphoneTest.java
contains test data from http://aspell.net/test/orig/batch0.tab.
Copyright (C) 2002 Kevin Atkinson (kevina@gnu.org)
===============================================================================
The content of package org.apache.commons.codec.language.bm has been translated
from the original php source code available at http://stevemorse.org/phoneticinfo.htm
with permission from the original authors.
Original source copyright:
Copyright (c) 2008 Alexander Beider & Stephen P. Morse.

1
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f6f66e966c70a83ffbdb6f17a0919eaf7c8aca7f

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Apache License
Version 2.0, January 2004
http://www.apache.org/licenses/
TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
1. Definitions.
"License" shall mean the terms and conditions for use, reproduction,
and distribution as defined by Sections 1 through 9 of this document.
"Licensor" shall mean the copyright owner or entity authorized by
the copyright owner that is granting the License.
"Legal Entity" shall mean the union of the acting entity and all
other entities that control, are controlled by, or are under common
control with that entity. For the purposes of this definition,
"control" means (i) the power, direct or indirect, to cause the
direction or management of such entity, whether by contract or
otherwise, or (ii) ownership of fifty percent (50%) or more of the
outstanding shares, or (iii) beneficial ownership of such entity.
"You" (or "Your") shall mean an individual or Legal Entity
exercising permissions granted by this License.
"Source" form shall mean the preferred form for making modifications,
including but not limited to software source code, documentation
source, and configuration files.
"Object" form shall mean any form resulting from mechanical
transformation or translation of a Source form, including but
not limited to compiled object code, generated documentation,
and conversions to other media types.
"Work" shall mean the work of authorship, whether in Source or
Object form, made available under the License, as indicated by a
copyright notice that is included in or attached to the work
(an example is provided in the Appendix below).
"Derivative Works" shall mean any work, whether in Source or Object
form, that is based on (or derived from) the Work and for which the
editorial revisions, annotations, elaborations, or other modifications
represent, as a whole, an original work of authorship. For the purposes
of this License, Derivative Works shall not include works that remain
separable from, or merely link (or bind by name) to the interfaces of,
the Work and Derivative Works thereof.
"Contribution" shall mean any work of authorship, including
the original version of the Work and any modifications or additions
to that Work or Derivative Works thereof, that is intentionally
submitted to Licensor for inclusion in the Work by the copyright owner
or by an individual or Legal Entity authorized to submit on behalf of
the copyright owner. For the purposes of this definition, "submitted"
means any form of electronic, verbal, or written communication sent
to the Licensor or its representatives, including but not limited to
communication on electronic mailing lists, source code control systems,
and issue tracking systems that are managed by, or on behalf of, the
Licensor for the purpose of discussing and improving the Work, but
excluding communication that is conspicuously marked or otherwise
designated in writing by the copyright owner as "Not a Contribution."
"Contributor" shall mean Licensor and any individual or Legal Entity
on behalf of whom a Contribution has been received by Licensor and
subsequently incorporated within the Work.
2. Grant of Copyright License. Subject to the terms and conditions of
this License, each Contributor hereby grants to You a perpetual,
worldwide, non-exclusive, no-charge, royalty-free, irrevocable
copyright license to reproduce, prepare Derivative Works of,
publicly display, publicly perform, sublicense, and distribute the
Work and such Derivative Works in Source or Object form.
3. Grant of Patent License. Subject to the terms and conditions of
this License, each Contributor hereby grants to You a perpetual,
worldwide, non-exclusive, no-charge, royalty-free, irrevocable
(except as stated in this section) patent license to make, have made,
use, offer to sell, sell, import, and otherwise transfer the Work,
where such license applies only to those patent claims licensable
by such Contributor that are necessarily infringed by their
Contribution(s) alone or by combination of their Contribution(s)
with the Work to which such Contribution(s) was submitted. If You
institute patent litigation against any entity (including a
cross-claim or counterclaim in a lawsuit) alleging that the Work
or a Contribution incorporated within the Work constitutes direct
or contributory patent infringement, then any patent licenses
granted to You under this License for that Work shall terminate
as of the date such litigation is filed.
4. Redistribution. You may reproduce and distribute copies of the
Work or Derivative Works thereof in any medium, with or without
modifications, and in Source or Object form, provided that You
meet the following conditions:
(a) You must give any other recipients of the Work or
Derivative Works a copy of this License; and
(b) You must cause any modified files to carry prominent notices
stating that You changed the files; and
(c) You must retain, in the Source form of any Derivative Works
that You distribute, all copyright, patent, trademark, and
attribution notices from the Source form of the Work,
excluding those notices that do not pertain to any part of
the Derivative Works; and
(d) If the Work includes a "NOTICE" text file as part of its
distribution, then any Derivative Works that You distribute must
include a readable copy of the attribution notices contained
within such NOTICE file, excluding those notices that do not
pertain to any part of the Derivative Works, in at least one
of the following places: within a NOTICE text file distributed
as part of the Derivative Works; within the Source form or
documentation, if provided along with the Derivative Works; or,
within a display generated by the Derivative Works, if and
wherever such third-party notices normally appear. The contents
of the NOTICE file are for informational purposes only and
do not modify the License. You may add Your own attribution
notices within Derivative Works that You distribute, alongside
or as an addendum to the NOTICE text from the Work, provided
that such additional attribution notices cannot be construed
as modifying the License.
You may add Your own copyright statement to Your modifications and
may provide additional or different license terms and conditions
for use, reproduction, or distribution of Your modifications, or
for any such Derivative Works as a whole, provided Your use,
reproduction, and distribution of the Work otherwise complies with
the conditions stated in this License.
5. Submission of Contributions. Unless You explicitly state otherwise,
any Contribution intentionally submitted for inclusion in the Work
by You to the Licensor shall be under the terms and conditions of
this License, without any additional terms or conditions.
Notwithstanding the above, nothing herein shall supersede or modify
the terms of any separate license agreement you may have executed
with Licensor regarding such Contributions.
6. Trademarks. This License does not grant permission to use the trade
names, trademarks, service marks, or product names of the Licensor,
except as required for reasonable and customary use in describing the
origin of the Work and reproducing the content of the NOTICE file.
7. Disclaimer of Warranty. Unless required by applicable law or
agreed to in writing, Licensor provides the Work (and each
Contributor provides its Contributions) on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
implied, including, without limitation, any warranties or conditions
of TITLE, NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A
PARTICULAR PURPOSE. You are solely responsible for determining the
appropriateness of using or redistributing the Work and assume any
risks associated with Your exercise of permissions under this License.
8. Limitation of Liability. In no event and under no legal theory,
whether in tort (including negligence), contract, or otherwise,
unless required by applicable law (such as deliberate and grossly
negligent acts) or agreed to in writing, shall any Contributor be
liable to You for damages, including any direct, indirect, special,
incidental, or consequential damages of any character arising as a
result of this License or out of the use or inability to use the
Work (including but not limited to damages for loss of goodwill,
work stoppage, computer failure or malfunction, or any and all
other commercial damages or losses), even if such Contributor
has been advised of the possibility of such damages.
9. Accepting Warranty or Additional Liability. While redistributing
the Work or Derivative Works thereof, You may choose to offer,
and charge a fee for, acceptance of support, warranty, indemnity,
or other liability obligations and/or rights consistent with this
License. However, in accepting such obligations, You may act only
on Your own behalf and on Your sole responsibility, not on behalf
of any other Contributor, and only if You agree to indemnify,
defend, and hold each Contributor harmless for any liability
incurred by, or claims asserted against, such Contributor by reason
of your accepting any such warranty or additional liability.
END OF TERMS AND CONDITIONS
APPENDIX: How to apply the Apache License to your work.
To apply the Apache License to your work, attach the following
boilerplate notice, with the fields enclosed by brackets "[]"
replaced with your own identifying information. (Don't include
the brackets!) The text should be enclosed in the appropriate
comment syntax for the file format. We also recommend that a
file or class name and description of purpose be included on the
same "printed page" as the copyright notice for easier
identification within third-party archives.
Copyright [yyyy] [name of copyright owner]
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.

5
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@ -0,0 +1,5 @@
Apache Commons CLI
Copyright 2001-2009 The Apache Software Foundation
This product includes software developed by
The Apache Software Foundation (http://www.apache.org/).

1
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c27c9d6f15435dc2b6947112027b418b0eef32b9

558
x-pack/snapshot-tool/licenses/httpclient-LICENSE.txt Normal file
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@ -0,0 +1,558 @@
Apache License
Version 2.0, January 2004
http://www.apache.org/licenses/
TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
1. Definitions.
"License" shall mean the terms and conditions for use, reproduction,
and distribution as defined by Sections 1 through 9 of this document.
"Licensor" shall mean the copyright owner or entity authorized by
the copyright owner that is granting the License.
"Legal Entity" shall mean the union of the acting entity and all
other entities that control, are controlled by, or are under common
control with that entity. For the purposes of this definition,
"control" means (i) the power, direct or indirect, to cause the
direction or management of such entity, whether by contract or
otherwise, or (ii) ownership of fifty percent (50%) or more of the
outstanding shares, or (iii) beneficial ownership of such entity.
"You" (or "Your") shall mean an individual or Legal Entity
exercising permissions granted by this License.
"Source" form shall mean the preferred form for making modifications,
including but not limited to software source code, documentation
source, and configuration files.
"Object" form shall mean any form resulting from mechanical
transformation or translation of a Source form, including but
not limited to compiled object code, generated documentation,
and conversions to other media types.
"Work" shall mean the work of authorship, whether in Source or
Object form, made available under the License, as indicated by a
copyright notice that is included in or attached to the work
(an example is provided in the Appendix below).
"Derivative Works" shall mean any work, whether in Source or Object
form, that is based on (or derived from) the Work and for which the
editorial revisions, annotations, elaborations, or other modifications
represent, as a whole, an original work of authorship. For the purposes
of this License, Derivative Works shall not include works that remain
separable from, or merely link (or bind by name) to the interfaces of,
the Work and Derivative Works thereof.
"Contribution" shall mean any work of authorship, including
the original version of the Work and any modifications or additions
to that Work or Derivative Works thereof, that is intentionally
submitted to Licensor for inclusion in the Work by the copyright owner
or by an individual or Legal Entity authorized to submit on behalf of
the copyright owner. For the purposes of this definition, "submitted"
means any form of electronic, verbal, or written communication sent
to the Licensor or its representatives, including but not limited to
communication on electronic mailing lists, source code control systems,
and issue tracking systems that are managed by, or on behalf of, the
Licensor for the purpose of discussing and improving the Work, but
excluding communication that is conspicuously marked or otherwise
designated in writing by the copyright owner as "Not a Contribution."
"Contributor" shall mean Licensor and any individual or Legal Entity
on behalf of whom a Contribution has been received by Licensor and
subsequently incorporated within the Work.
2. Grant of Copyright License. Subject to the terms and conditions of
this License, each Contributor hereby grants to You a perpetual,
worldwide, non-exclusive, no-charge, royalty-free, irrevocable
copyright license to reproduce, prepare Derivative Works of,
publicly display, publicly perform, sublicense, and distribute the
Work and such Derivative Works in Source or Object form.
3. Grant of Patent License. Subject to the terms and conditions of
this License, each Contributor hereby grants to You a perpetual,
worldwide, non-exclusive, no-charge, royalty-free, irrevocable
(except as stated in this section) patent license to make, have made,
use, offer to sell, sell, import, and otherwise transfer the Work,
where such license applies only to those patent claims licensable
by such Contributor that are necessarily infringed by their
Contribution(s) alone or by combination of their Contribution(s)
with the Work to which such Contribution(s) was submitted. If You
institute patent litigation against any entity (including a
cross-claim or counterclaim in a lawsuit) alleging that the Work
or a Contribution incorporated within the Work constitutes direct
or contributory patent infringement, then any patent licenses
granted to You under this License for that Work shall terminate
as of the date such litigation is filed.
4. Redistribution. You may reproduce and distribute copies of the
Work or Derivative Works thereof in any medium, with or without
modifications, and in Source or Object form, provided that You
meet the following conditions:
(a) You must give any other recipients of the Work or
Derivative Works a copy of this License; and
(b) You must cause any modified files to carry prominent notices
stating that You changed the files; and
(c) You must retain, in the Source form of any Derivative Works
that You distribute, all copyright, patent, trademark, and
attribution notices from the Source form of the Work,
excluding those notices that do not pertain to any part of
the Derivative Works; and
(d) If the Work includes a "NOTICE" text file as part of its
distribution, then any Derivative Works that You distribute must
include a readable copy of the attribution notices contained
within such NOTICE file, excluding those notices that do not
pertain to any part of the Derivative Works, in at least one
of the following places: within a NOTICE text file distributed
as part of the Derivative Works; within the Source form or
documentation, if provided along with the Derivative Works; or,
within a display generated by the Derivative Works, if and
wherever such third-party notices normally appear. The contents
of the NOTICE file are for informational purposes only and
do not modify the License. You may add Your own attribution
notices within Derivative Works that You distribute, alongside
or as an addendum to the NOTICE text from the Work, provided
that such additional attribution notices cannot be construed
as modifying the License.
You may add Your own copyright statement to Your modifications and
may provide additional or different license terms and conditions
for use, reproduction, or distribution of Your modifications, or
for any such Derivative Works as a whole, provided Your use,
reproduction, and distribution of the Work otherwise complies with
the conditions stated in this License.
5. Submission of Contributions. Unless You explicitly state otherwise,
any Contribution intentionally submitted for inclusion in the Work
by You to the Licensor shall be under the terms and conditions of
this License, without any additional terms or conditions.
Notwithstanding the above, nothing herein shall supersede or modify
the terms of any separate license agreement you may have executed
with Licensor regarding such Contributions.
6. Trademarks. This License does not grant permission to use the trade
names, trademarks, service marks, or product names of the Licensor,
except as required for reasonable and customary use in describing the
origin of the Work and reproducing the content of the NOTICE file.
7. Disclaimer of Warranty. Unless required by applicable law or
agreed to in writing, Licensor provides the Work (and each
Contributor provides its Contributions) on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
implied, including, without limitation, any warranties or conditions
of TITLE, NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A
PARTICULAR PURPOSE. You are solely responsible for determining the
appropriateness of using or redistributing the Work and assume any
risks associated with Your exercise of permissions under this License.
8. Limitation of Liability. In no event and under no legal theory,
whether in tort (including negligence), contract, or otherwise,
unless required by applicable law (such as deliberate and grossly
negligent acts) or agreed to in writing, shall any Contributor be
liable to You for damages, including any direct, indirect, special,
incidental, or consequential damages of any character arising as a
result of this License or out of the use or inability to use the
Work (including but not limited to damages for loss of goodwill,
work stoppage, computer failure or malfunction, or any and all
other commercial damages or losses), even if such Contributor
has been advised of the possibility of such damages.
9. Accepting Warranty or Additional Liability. While redistributing
the Work or Derivative Works thereof, You may choose to offer,
and charge a fee for, acceptance of support, warranty, indemnity,
or other liability obligations and/or rights consistent with this
License. However, in accepting such obligations, You may act only
on Your own behalf and on Your sole responsibility, not on behalf
of any other Contributor, and only if You agree to indemnify,
defend, and hold each Contributor harmless for any liability
incurred by, or claims asserted against, such Contributor by reason
of your accepting any such warranty or additional liability.
END OF TERMS AND CONDITIONS
=========================================================================
This project includes Public Suffix List copied from
<https://publicsuffix.org/list/effective_tld_names.dat>
licensed under the terms of the Mozilla Public License, v. 2.0
Full license text: <http://mozilla.org/MPL/2.0/>
Mozilla Public License Version 2.0
==================================
1. Definitions
--------------
1.1. "Contributor"
means each individual or legal entity that creates, contributes to
the creation of, or owns Covered Software.
1.2. "Contributor Version"
means the combination of the Contributions of others (if any) used
by a Contributor and that particular Contributor's Contribution.
1.3. "Contribution"
means Covered Software of a particular Contributor.
1.4. "Covered Software"
means Source Code Form to which the initial Contributor has attached
the notice in Exhibit A, the Executable Form of such Source Code
Form, and Modifications of such Source Code Form, in each case
including portions thereof.
1.5. "Incompatible With Secondary Licenses"
means
(a) that the initial Contributor has attached the notice described
in Exhibit B to the Covered Software; or
(b) that the Covered Software was made available under the terms of
version 1.1 or earlier of the License, but not also under the
terms of a Secondary License.
1.6. "Executable Form"
means any form of the work other than Source Code Form.
1.7. "Larger Work"
means a work that combines Covered Software with other material, in
a separate file or files, that is not Covered Software.
1.8. "License"
means this document.
1.9. "Licensable"
means having the right to grant, to the maximum extent possible,
whether at the time of the initial grant or subsequently, any and
all of the rights conveyed by this License.
1.10. "Modifications"
means any of the following:
(a) any file in Source Code Form that results from an addition to,
deletion from, or modification of the contents of Covered
Software; or
(b) any new file in Source Code Form that contains any Covered
Software.
1.11. "Patent Claims" of a Contributor
means any patent claim(s), including without limitation, method,
process, and apparatus claims, in any patent Licensable by such
Contributor that would be infringed, but for the grant of the
License, by the making, using, selling, offering for sale, having
made, import, or transfer of either its Contributions or its
Contributor Version.
1.12. "Secondary License"
means either the GNU General Public License, Version 2.0, the GNU
Lesser General Public License, Version 2.1, the GNU Affero General
Public License, Version 3.0, or any later versions of those
licenses.
1.13. "Source Code Form"
means the form of the work preferred for making modifications.
1.14. "You" (or "Your")
means an individual or a legal entity exercising rights under this
License. For legal entities, "You" includes any entity that
controls, is controlled by, or is under common control with You. For
purposes of this definition, "control" means (a) the power, direct
or indirect, to cause the direction or management of such entity,
whether by contract or otherwise, or (b) ownership of more than
fifty percent (50%) of the outstanding shares or beneficial
ownership of such entity.
2. License Grants and Conditions
--------------------------------
2.1. Grants
Each Contributor hereby grants You a world-wide, royalty-free,
non-exclusive license:
(a) under intellectual property rights (other than patent or trademark)
Licensable by such Contributor to use, reproduce, make available,
modify, display, perform, distribute, and otherwise exploit its
Contributions, either on an unmodified basis, with Modifications, or
as part of a Larger Work; and
(b) under Patent Claims of such Contributor to make, use, sell, offer
for sale, have made, import, and otherwise transfer either its
Contributions or its Contributor Version.
2.2. Effective Date
The licenses granted in Section 2.1 with respect to any Contribution
become effective for each Contribution on the date the Contributor first
distributes such Contribution.
2.3. Limitations on Grant Scope
The licenses granted in this Section 2 are the only rights granted under
this License. No additional rights or licenses will be implied from the
distribution or licensing of Covered Software under this License.
Notwithstanding Section 2.1(b) above, no patent license is granted by a
Contributor:
(a) for any code that a Contributor has removed from Covered Software;
or
(b) for infringements caused by: (i) Your and any other third party's
modifications of Covered Software, or (ii) the combination of its
Contributions with other software (except as part of its Contributor
Version); or
(c) under Patent Claims infringed by Covered Software in the absence of
its Contributions.
This License does not grant any rights in the trademarks, service marks,
or logos of any Contributor (except as may be necessary to comply with
the notice requirements in Section 3.4).
2.4. Subsequent Licenses
No Contributor makes additional grants as a result of Your choice to
distribute the Covered Software under a subsequent version of this
License (see Section 10.2) or under the terms of a Secondary License (if
permitted under the terms of Section 3.3).
2.5. Representation
Each Contributor represents that the Contributor believes its
Contributions are its original creation(s) or it has sufficient rights
to grant the rights to its Contributions conveyed by this License.
2.6. Fair Use
This License is not intended to limit any rights You have under
applicable copyright doctrines of fair use, fair dealing, or other
equivalents.
2.7. Conditions
Sections 3.1, 3.2, 3.3, and 3.4 are conditions of the licenses granted
in Section 2.1.
3. Responsibilities
-------------------
3.1. Distribution of Source Form
All distribution of Covered Software in Source Code Form, including any
Modifications that You create or to which You contribute, must be under
the terms of this License. You must inform recipients that the Source
Code Form of the Covered Software is governed by the terms of this
License, and how they can obtain a copy of this License. You may not
attempt to alter or restrict the recipients' rights in the Source Code
Form.
3.2. Distribution of Executable Form
If You distribute Covered Software in Executable Form then:
(a) such Covered Software must also be made available in Source Code
Form, as described in Section 3.1, and You must inform recipients of
the Executable Form how they can obtain a copy of such Source Code
Form by reasonable means in a timely manner, at a charge no more
than the cost of distribution to the recipient; and
(b) You may distribute such Executable Form under the terms of this
License, or sublicense it under different terms, provided that the
license for the Executable Form does not attempt to limit or alter
the recipients' rights in the Source Code Form under this License.
3.3. Distribution of a Larger Work
You may create and distribute a Larger Work under terms of Your choice,
provided that You also comply with the requirements of this License for
the Covered Software. If the Larger Work is a combination of Covered
Software with a work governed by one or more Secondary Licenses, and the
Covered Software is not Incompatible With Secondary Licenses, this
License permits You to additionally distribute such Covered Software
under the terms of such Secondary License(s), so that the recipient of
the Larger Work may, at their option, further distribute the Covered
Software under the terms of either this License or such Secondary
License(s).
3.4. Notices
You may not remove or alter the substance of any license notices
(including copyright notices, patent notices, disclaimers of warranty,
or limitations of liability) contained within the Source Code Form of
the Covered Software, except that You may alter any license notices to
the extent required to remedy known factual inaccuracies.
3.5. Application of Additional Terms
You may choose to offer, and to charge a fee for, warranty, support,
indemnity or liability obligations to one or more recipients of Covered
Software. However, You may do so only on Your own behalf, and not on
behalf of any Contributor. You must make it absolutely clear that any
such warranty, support, indemnity, or liability obligation is offered by
You alone, and You hereby agree to indemnify every Contributor for any
liability incurred by such Contributor as a result of warranty, support,
indemnity or liability terms You offer. You may include additional
disclaimers of warranty and limitations of liability specific to any
jurisdiction.
4. Inability to Comply Due to Statute or Regulation
---------------------------------------------------
If it is impossible for You to comply with any of the terms of this
License with respect to some or all of the Covered Software due to
statute, judicial order, or regulation then You must: (a) comply with
the terms of this License to the maximum extent possible; and (b)
describe the limitations and the code they affect. Such description must
be placed in a text file included with all distributions of the Covered
Software under this License. Except to the extent prohibited by statute
or regulation, such description must be sufficiently detailed for a
recipient of ordinary skill to be able to understand it.
5. Termination
--------------
5.1. The rights granted under this License will terminate automatically
if You fail to comply with any of its terms. However, if You become
compliant, then the rights granted under this License from a particular
Contributor are reinstated (a) provisionally, unless and until such
Contributor explicitly and finally terminates Your grants, and (b) on an
ongoing basis, if such Contributor fails to notify You of the
non-compliance by some reasonable means prior to 60 days after You have
come back into compliance. Moreover, Your grants from a particular
Contributor are reinstated on an ongoing basis if such Contributor
notifies You of the non-compliance by some reasonable means, this is the
first time You have received notice of non-compliance with this License
from such Contributor, and You become compliant prior to 30 days after
Your receipt of the notice.
5.2. If You initiate litigation against any entity by asserting a patent
infringement claim (excluding declaratory judgment actions,
counter-claims, and cross-claims) alleging that a Contributor Version
directly or indirectly infringes any patent, then the rights granted to
You by any and all Contributors for the Covered Software under Section
2.1 of this License shall terminate.
5.3. In the event of termination under Sections 5.1 or 5.2 above, all
end user license agreements (excluding distributors and resellers) which
have been validly granted by You or Your distributors under this License
prior to termination shall survive termination.
************************************************************************
* *
* 6. Disclaimer of Warranty *
* ------------------------- *
* *
* Covered Software is provided under this License on an "as is" *
* basis, without warranty of any kind, either expressed, implied, or *
* statutory, including, without limitation, warranties that the *
* Covered Software is free of defects, merchantable, fit for a *
* particular purpose or non-infringing. The entire risk as to the *
* quality and performance of the Covered Software is with You. *
* Should any Covered Software prove defective in any respect, You *
* (not any Contributor) assume the cost of any necessary servicing, *
* repair, or correction. This disclaimer of warranty constitutes an *
* essential part of this License. No use of any Covered Software is *
* authorized under this License except under this disclaimer. *
* *
************************************************************************
************************************************************************
* *
* 7. Limitation of Liability *
* -------------------------- *
* *
* Under no circumstances and under no legal theory, whether tort *
* (including negligence), contract, or otherwise, shall any *
* Contributor, or anyone who distributes Covered Software as *
* permitted above, be liable to You for any direct, indirect, *
* special, incidental, or consequential damages of any character *
* including, without limitation, damages for lost profits, loss of *
* goodwill, work stoppage, computer failure or malfunction, or any *
* and all other commercial damages or losses, even if such party *
* shall have been informed of the possibility of such damages. This *
* limitation of liability shall not apply to liability for death or *
* personal injury resulting from such party's negligence to the *
* extent applicable law prohibits such limitation. Some *
* jurisdictions do not allow the exclusion or limitation of *
* incidental or consequential damages, so this exclusion and *
* limitation may not apply to You. *
* *
************************************************************************
8. Litigation
-------------
Any litigation relating to this License may be brought only in the
courts of a jurisdiction where the defendant maintains its principal
place of business and such litigation shall be governed by laws of that
jurisdiction, without reference to its conflict-of-law provisions.
Nothing in this Section shall prevent a party's ability to bring
cross-claims or counter-claims.
9. Miscellaneous
----------------
This License represents the complete agreement concerning the subject
matter hereof. If any provision of this License is held to be
unenforceable, such provision shall be reformed only to the extent
necessary to make it enforceable. Any law or regulation which provides
that the language of a contract shall be construed against the drafter
shall not be used to construe this License against a Contributor.
10. Versions of the License
---------------------------
10.1. New Versions
Mozilla Foundation is the license steward. Except as provided in Section
10.3, no one other than the license steward has the right to modify or
publish new versions of this License. Each version will be given a
distinguishing version number.
10.2. Effect of New Versions
You may distribute the Covered Software under the terms of the version
of the License under which You originally received the Covered Software,
or under the terms of any subsequent version published by the license
steward.
10.3. Modified Versions
If you create software not governed by this License, and you want to
create a new license for such software, you may create and use a
modified version of this License if you rename the license and remove
any references to the name of the license steward (except to note that
such modified license differs from this License).
10.4. Distributing Source Code Form that is Incompatible With Secondary
Licenses
If You choose to distribute Source Code Form that is Incompatible With
Secondary Licenses under the terms of this version of the License, the
notice described in Exhibit B of this License must be attached.
Exhibit A - Source Code Form License Notice
-------------------------------------------
This Source Code Form is subject to the terms of the Mozilla Public
License, v. 2.0. If a copy of the MPL was not distributed with this
file, You can obtain one at http://mozilla.org/MPL/2.0/.
If it is not possible or desirable to put the notice in a particular
file, then You may include the notice in a location (such as a LICENSE
file in a relevant directory) where a recipient would be likely to look
for such a notice.
You may add additional accurate notices of copyright ownership.
Exhibit B - "Incompatible With Secondary Licenses" Notice
---------------------------------------------------------
This Source Code Form is "Incompatible With Secondary Licenses", as
defined by the Mozilla Public License, v. 2.0.

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Apache HttpComponents Client
Copyright 1999-2015 The Apache Software Foundation
This product includes software developed at
The Apache Software Foundation (http://www.apache.org/).

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de748cf874e4e193b42eceea9fe5574fabb9d4df

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Apache License
Version 2.0, January 2004
http://www.apache.org/licenses/
TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
1. Definitions.
"License" shall mean the terms and conditions for use, reproduction,
and distribution as defined by Sections 1 through 9 of this document.
"Licensor" shall mean the copyright owner or entity authorized by
the copyright owner that is granting the License.
"Legal Entity" shall mean the union of the acting entity and all
other entities that control, are controlled by, or are under common
control with that entity. For the purposes of this definition,
"control" means (i) the power, direct or indirect, to cause the
direction or management of such entity, whether by contract or
otherwise, or (ii) ownership of fifty percent (50%) or more of the
outstanding shares, or (iii) beneficial ownership of such entity.
"You" (or "Your") shall mean an individual or Legal Entity
exercising permissions granted by this License.
"Source" form shall mean the preferred form for making modifications,
including but not limited to software source code, documentation
source, and configuration files.
"Object" form shall mean any form resulting from mechanical
transformation or translation of a Source form, including but
not limited to compiled object code, generated documentation,
and conversions to other media types.
"Work" shall mean the work of authorship, whether in Source or
Object form, made available under the License, as indicated by a
copyright notice that is included in or attached to the work
(an example is provided in the Appendix below).
"Derivative Works" shall mean any work, whether in Source or Object
form, that is based on (or derived from) the Work and for which the
editorial revisions, annotations, elaborations, or other modifications
represent, as a whole, an original work of authorship. For the purposes
of this License, Derivative Works shall not include works that remain
separable from, or merely link (or bind by name) to the interfaces of,
the Work and Derivative Works thereof.
"Contribution" shall mean any work of authorship, including
the original version of the Work and any modifications or additions
to that Work or Derivative Works thereof, that is intentionally
submitted to Licensor for inclusion in the Work by the copyright owner
or by an individual or Legal Entity authorized to submit on behalf of
the copyright owner. For the purposes of this definition, "submitted"
means any form of electronic, verbal, or written communication sent
to the Licensor or its representatives, including but not limited to
communication on electronic mailing lists, source code control systems,
and issue tracking systems that are managed by, or on behalf of, the
Licensor for the purpose of discussing and improving the Work, but
excluding communication that is conspicuously marked or otherwise
designated in writing by the copyright owner as "Not a Contribution."
"Contributor" shall mean Licensor and any individual or Legal Entity
on behalf of whom a Contribution has been received by Licensor and
subsequently incorporated within the Work.
2. Grant of Copyright License. Subject to the terms and conditions of
this License, each Contributor hereby grants to You a perpetual,
worldwide, non-exclusive, no-charge, royalty-free, irrevocable
copyright license to reproduce, prepare Derivative Works of,
publicly display, publicly perform, sublicense, and distribute the
Work and such Derivative Works in Source or Object form.
3. Grant of Patent License. Subject to the terms and conditions of
this License, each Contributor hereby grants to You a perpetual,
worldwide, non-exclusive, no-charge, royalty-free, irrevocable
(except as stated in this section) patent license to make, have made,
use, offer to sell, sell, import, and otherwise transfer the Work,
where such license applies only to those patent claims licensable
by such Contributor that are necessarily infringed by their
Contribution(s) alone or by combination of their Contribution(s)
with the Work to which such Contribution(s) was submitted. If You
institute patent litigation against any entity (including a
cross-claim or counterclaim in a lawsuit) alleging that the Work
or a Contribution incorporated within the Work constitutes direct
or contributory patent infringement, then any patent licenses
granted to You under this License for that Work shall terminate
as of the date such litigation is filed.
4. Redistribution. You may reproduce and distribute copies of the
Work or Derivative Works thereof in any medium, with or without
modifications, and in Source or Object form, provided that You
meet the following conditions:
(a) You must give any other recipients of the Work or
Derivative Works a copy of this License; and
(b) You must cause any modified files to carry prominent notices
stating that You changed the files; and
(c) You must retain, in the Source form of any Derivative Works
that You distribute, all copyright, patent, trademark, and
attribution notices from the Source form of the Work,
excluding those notices that do not pertain to any part of
the Derivative Works; and
(d) If the Work includes a "NOTICE" text file as part of its
distribution, then any Derivative Works that You distribute must
include a readable copy of the attribution notices contained
within such NOTICE file, excluding those notices that do not
pertain to any part of the Derivative Works, in at least one
of the following places: within a NOTICE text file distributed
as part of the Derivative Works; within the Source form or
documentation, if provided along with the Derivative Works; or,
within a display generated by the Derivative Works, if and
wherever such third-party notices normally appear. The contents
of the NOTICE file are for informational purposes only and
do not modify the License. You may add Your own attribution
notices within Derivative Works that You distribute, alongside
or as an addendum to the NOTICE text from the Work, provided
that such additional attribution notices cannot be construed
as modifying the License.
You may add Your own copyright statement to Your modifications and
may provide additional or different license terms and conditions
for use, reproduction, or distribution of Your modifications, or
for any such Derivative Works as a whole, provided Your use,
reproduction, and distribution of the Work otherwise complies with
the conditions stated in this License.
5. Submission of Contributions. Unless You explicitly state otherwise,
any Contribution intentionally submitted for inclusion in the Work
by You to the Licensor shall be under the terms and conditions of
this License, without any additional terms or conditions.
Notwithstanding the above, nothing herein shall supersede or modify
the terms of any separate license agreement you may have executed
with Licensor regarding such Contributions.
6. Trademarks. This License does not grant permission to use the trade
names, trademarks, service marks, or product names of the Licensor,
except as required for reasonable and customary use in describing the
origin of the Work and reproducing the content of the NOTICE file.
7. Disclaimer of Warranty. Unless required by applicable law or
agreed to in writing, Licensor provides the Work (and each
Contributor provides its Contributions) on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
implied, including, without limitation, any warranties or conditions
of TITLE, NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A
PARTICULAR PURPOSE. You are solely responsible for determining the
appropriateness of using or redistributing the Work and assume any
risks associated with Your exercise of permissions under this License.
8. Limitation of Liability. In no event and under no legal theory,
whether in tort (including negligence), contract, or otherwise,
unless required by applicable law (such as deliberate and grossly
negligent acts) or agreed to in writing, shall any Contributor be
liable to You for damages, including any direct, indirect, special,
incidental, or consequential damages of any character arising as a
result of this License or out of the use or inability to use the
Work (including but not limited to damages for loss of goodwill,
work stoppage, computer failure or malfunction, or any and all
other commercial damages or losses), even if such Contributor
has been advised of the possibility of such damages.
9. Accepting Warranty or Additional Liability. While redistributing
the Work or Derivative Works thereof, You may choose to offer,
and charge a fee for, acceptance of support, warranty, indemnity,
or other liability obligations and/or rights consistent with this
License. However, in accepting such obligations, You may act only
on Your own behalf and on Your sole responsibility, not on behalf
of any other Contributor, and only if You agree to indemnify,
defend, and hold each Contributor harmless for any liability
incurred by, or claims asserted against, such Contributor by reason
of your accepting any such warranty or additional liability.
END OF TERMS AND CONDITIONS
=========================================================================
This project contains annotations in the package org.apache.http.annotation
which are derived from JCIP-ANNOTATIONS
Copyright (c) 2005 Brian Goetz and Tim Peierls.
See http://www.jcip.net and the Creative Commons Attribution License
(http://creativecommons.org/licenses/by/2.5)
Full text: http://creativecommons.org/licenses/by/2.5/legalcode
License
THE WORK (AS DEFINED BELOW) IS PROVIDED UNDER THE TERMS OF THIS CREATIVE COMMONS PUBLIC LICENSE ("CCPL" OR "LICENSE"). THE WORK IS PROTECTED BY COPYRIGHT AND/OR OTHER APPLICABLE LAW. ANY USE OF THE WORK OTHER THAN AS AUTHORIZED UNDER THIS LICENSE OR COPYRIGHT LAW IS PROHIBITED.
BY EXERCISING ANY RIGHTS TO THE WORK PROVIDED HERE, YOU ACCEPT AND AGREE TO BE BOUND BY THE TERMS OF THIS LICENSE. THE LICENSOR GRANTS YOU THE RIGHTS CONTAINED HERE IN CONSIDERATION OF YOUR ACCEPTANCE OF SUCH TERMS AND CONDITIONS.
1. Definitions
"Collective Work" means a work, such as a periodical issue, anthology or encyclopedia, in which the Work in its entirety in unmodified form, along with a number of other contributions, constituting separate and independent works in themselves, are assembled into a collective whole. A work that constitutes a Collective Work will not be considered a Derivative Work (as defined below) for the purposes of this License.
"Derivative Work" means a work based upon the Work or upon the Work and other pre-existing works, such as a translation, musical arrangement, dramatization, fictionalization, motion picture version, sound recording, art reproduction, abridgment, condensation, or any other form in which the Work may be recast, transformed, or adapted, except that a work that constitutes a Collective Work will not be considered a Derivative Work for the purpose of this License. For the avoidance of doubt, where the Work is a musical composition or sound recording, the synchronization of the Work in timed-relation with a moving image ("synching") will be considered a Derivative Work for the purpose of this License.
"Licensor" means the individual or entity that offers the Work under the terms of this License.
"Original Author" means the individual or entity who created the Work.
"Work" means the copyrightable work of authorship offered under the terms of this License.
"You" means an individual or entity exercising rights under this License who has not previously violated the terms of this License with respect to the Work, or who has received express permission from the Licensor to exercise rights under this License despite a previous violation.
2. Fair Use Rights. Nothing in this license is intended to reduce, limit, or restrict any rights arising from fair use, first sale or other limitations on the exclusive rights of the copyright owner under copyright law or other applicable laws.
3. License Grant. Subject to the terms and conditions of this License, Licensor hereby grants You a worldwide, royalty-free, non-exclusive, perpetual (for the duration of the applicable copyright) license to exercise the rights in the Work as stated below:
to reproduce the Work, to incorporate the Work into one or more Collective Works, and to reproduce the Work as incorporated in the Collective Works;
to create and reproduce Derivative Works;
to distribute copies or phonorecords of, display publicly, perform publicly, and perform publicly by means of a digital audio transmission the Work including as incorporated in Collective Works;
to distribute copies or phonorecords of, display publicly, perform publicly, and perform publicly by means of a digital audio transmission Derivative Works.
For the avoidance of doubt, where the work is a musical composition:
Performance Royalties Under Blanket Licenses. Licensor waives the exclusive right to collect, whether individually or via a performance rights society (e.g. ASCAP, BMI, SESAC), royalties for the public performance or public digital performance (e.g. webcast) of the Work.
Mechanical Rights and Statutory Royalties. Licensor waives the exclusive right to collect, whether individually or via a music rights agency or designated agent (e.g. Harry Fox Agency), royalties for any phonorecord You create from the Work ("cover version") and distribute, subject to the compulsory license created by 17 USC Section 115 of the US Copyright Act (or the equivalent in other jurisdictions).
Webcasting Rights and Statutory Royalties. For the avoidance of doubt, where the Work is a sound recording, Licensor waives the exclusive right to collect, whether individually or via a performance-rights society (e.g. SoundExchange), royalties for the public digital performance (e.g. webcast) of the Work, subject to the compulsory license created by 17 USC Section 114 of the US Copyright Act (or the equivalent in other jurisdictions).
The above rights may be exercised in all media and formats whether now known or hereafter devised. The above rights include the right to make such modifications as are technically necessary to exercise the rights in other media and formats. All rights not expressly granted by Licensor are hereby reserved.
4. Restrictions.The license granted in Section 3 above is expressly made subject to and limited by the following restrictions:
You may distribute, publicly display, publicly perform, or publicly digitally perform the Work only under the terms of this License, and You must include a copy of, or the Uniform Resource Identifier for, this License with every copy or phonorecord of the Work You distribute, publicly display, publicly perform, or publicly digitally perform. You may not offer or impose any terms on the Work that alter or restrict the terms of this License or the recipients' exercise of the rights granted hereunder. You may not sublicense the Work. You must keep intact all notices that refer to this License and to the disclaimer of warranties. You may not distribute, publicly display, publicly perform, or publicly digitally perform the Work with any technological measures that control access or use of the Work in a manner inconsistent with the terms of this License Agreement. The above applies to the Work as incorporated in a Collective Work, but this does not require the Collective Work apart from the Work itself to be made subject to the terms of this License. If You create a Collective Work, upon notice from any Licensor You must, to the extent practicable, remove from the Collective Work any credit as required by clause 4(b), as requested. If You create a Derivative Work, upon notice from any Licensor You must, to the extent practicable, remove from the Derivative Work any credit as required by clause 4(b), as requested.
If you distribute, publicly display, publicly perform, or publicly digitally perform the Work or any Derivative Works or Collective Works, You must keep intact all copyright notices for the Work and provide, reasonable to the medium or means You are utilizing: (i) the name of the Original Author (or pseudonym, if applicable) if supplied, and/or (ii) if the Original Author and/or Licensor designate another party or parties (e.g. a sponsor institute, publishing entity, journal) for attribution in Licensor's copyright notice, terms of service or by other reasonable means, the name of such party or parties; the title of the Work if supplied; to the extent reasonably practicable, the Uniform Resource Identifier, if any, that Licensor specifies to be associated with the Work, unless such URI does not refer to the copyright notice or licensing information for the Work; and in the case of a Derivative Work, a credit identifying the use of the Work in the Derivative Work (e.g., "French translation of the Work by Original Author," or "Screenplay based on original Work by Original Author"). Such credit may be implemented in any reasonable manner; provided, however, that in the case of a Derivative Work or Collective Work, at a minimum such credit will appear where any other comparable authorship credit appears and in a manner at least as prominent as such other comparable authorship credit.
5. Representations, Warranties and Disclaimer
UNLESS OTHERWISE MUTUALLY AGREED TO BY THE PARTIES IN WRITING, LICENSOR OFFERS THE WORK AS-IS AND MAKES NO REPRESENTATIONS OR WARRANTIES OF ANY KIND CONCERNING THE WORK, EXPRESS, IMPLIED, STATUTORY OR OTHERWISE, INCLUDING, WITHOUT LIMITATION, WARRANTIES OF TITLE, MERCHANTIBILITY, FITNESS FOR A PARTICULAR PURPOSE, NONINFRINGEMENT, OR THE ABSENCE OF LATENT OR OTHER DEFECTS, ACCURACY, OR THE PRESENCE OF ABSENCE OF ERRORS, WHETHER OR NOT DISCOVERABLE. SOME JURISDICTIONS DO NOT ALLOW THE EXCLUSION OF IMPLIED WARRANTIES, SO SUCH EXCLUSION MAY NOT APPLY TO YOU.
6. Limitation on Liability. EXCEPT TO THE EXTENT REQUIRED BY APPLICABLE LAW, IN NO EVENT WILL LICENSOR BE LIABLE TO YOU ON ANY LEGAL THEORY FOR ANY SPECIAL, INCIDENTAL, CONSEQUENTIAL, PUNITIVE OR EXEMPLARY DAMAGES ARISING OUT OF THIS LICENSE OR THE USE OF THE WORK, EVEN IF LICENSOR HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
7. Termination
This License and the rights granted hereunder will terminate automatically upon any breach by You of the terms of this License. Individuals or entities who have received Derivative Works or Collective Works from You under this License, however, will not have their licenses terminated provided such individuals or entities remain in full compliance with those licenses. Sections 1, 2, 5, 6, 7, and 8 will survive any termination of this License.
Subject to the above terms and conditions, the license granted here is perpetual (for the duration of the applicable copyright in the Work). Notwithstanding the above, Licensor reserves the right to release the Work under different license terms or to stop distributing the Work at any time; provided, however that any such election will not serve to withdraw this License (or any other license that has been, or is required to be, granted under the terms of this License), and this License will continue in full force and effect unless terminated as stated above.
8. Miscellaneous
Each time You distribute or publicly digitally perform the Work or a Collective Work, the Licensor offers to the recipient a license to the Work on the same terms and conditions as the license granted to You under this License.
Each time You distribute or publicly digitally perform a Derivative Work, Licensor offers to the recipient a license to the original Work on the same terms and conditions as the license granted to You under this License.
If any provision of this License is invalid or unenforceable under applicable law, it shall not affect the validity or enforceability of the remainder of the terms of this License, and without further action by the parties to this agreement, such provision shall be reformed to the minimum extent necessary to make such provision valid and enforceable.
No term or provision of this License shall be deemed waived and no breach consented to unless such waiver or consent shall be in writing and signed by the party to be charged with such waiver or consent.
This License constitutes the entire agreement between the parties with respect to the Work licensed here. There are no understandings, agreements or representations with respect to the Work not specified here. Licensor shall not be bound by any additional provisions that may appear in any communication from You. This License may not be modified without the mutual written agreement of the Licensor and You.

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Apache HttpComponents Core
Copyright 2005-2014 The Apache Software Foundation
This product includes software developed at
The Apache Software Foundation (http://www.apache.org/).
This project contains annotations derived from JCIP-ANNOTATIONS
Copyright (c) 2005 Brian Goetz and Tim Peierls. See http://www.jcip.net

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This copy of Jackson JSON processor streaming parser/generator is licensed under the
Apache (Software) License, version 2.0 ("the License").
See the License for details about distribution rights, and the
specific rights regarding derivate works.
You may obtain a copy of the License at:
http://www.apache.org/licenses/LICENSE-2.0

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# Jackson JSON processor
Jackson is a high-performance, Free/Open Source JSON processing library.
It was originally written by Tatu Saloranta (tatu.saloranta@iki.fi), and has
been in development since 2007.
It is currently developed by a community of developers, as well as supported
commercially by FasterXML.com.
## Licensing
Jackson core and extension components may licensed under different licenses.
To find the details that apply to this artifact see the accompanying LICENSE file.
For more information, including possible other licensing options, contact
FasterXML.com (http://fasterxml.com).
## Credits
A list of contributors may be found from CREDITS file, which is included
in some artifacts (usually source distributions); but is always available
from the source code management (SCM) system project uses.

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COMMON DEVELOPMENT AND DISTRIBUTION LICENSE (CDDL) Version 1.0
1. Definitions.
1.1. Contributor. means each individual or entity that creates or
contributes to the creation of Modifications.
1.2. Contributor Version. means the combination of the Original
Software, prior Modifications used by a Contributor (if any), and the
Modifications made by that particular Contributor.
1.3. Covered Software. means (a) the Original Software, or (b)
Modifications, or (c) the combination of files containing Original
Software with files containing Modifications, in each case including
portions thereof.
1.4. Executable. means the Covered Software in any form other than
Source Code.
1.5. Initial Developer. means the individual or entity that first
makes Original Software available under this License.
1.6. Larger Work. means a work which combines Covered Software or
portions thereof with code not governed by the terms of this License.
1.7. License. means this document.
1.8. Licensable. means having the right to grant, to the maximum
extent possible, whether at the time of the initial grant or
subsequently acquired, any and all of the rights conveyed herein.
1.9. Modifications. means the Source Code and Executable form of any
of the following:
A. Any file that results from an addition to, deletion from or
modification of the contents of a file containing Original Software or
previous Modifications;
B. Any new file that contains any part of the Original Software
or previous Modification; or
C. Any new file that is contributed or otherwise made available
under the terms of this License.
1.10. Original Software. means the Source Code and Executable form of
computer software code that is originally released under this License.
1.11. Patent Claims. means any patent claim(s), now owned or
hereafter acquired, including without limitation, method, process, and
apparatus claims, in any patent Licensable by grantor.
1.12. Source Code. means (a) the common form of computer software
code in which modifications are made and (b) associated documentation
included in or with such code.
1.13. You. (or .Your.) means an individual or a legal entity
exercising rights under, and complying with all of the terms of, this
License. For legal entities, .You. includes any entity which controls,
is controlled by, or is under common control with You. For purposes of
this definition, .control. means (a) the power, direct or indirect, to
cause the direction or management of such entity, whether by contract or
otherwise, or (b) ownership of more than fifty percent (50%) of the
outstanding shares or beneficial ownership of such entity.
2. License Grants.
2.1. The Initial Developer Grant.
Conditioned upon Your compliance with Section 3.1 below and
subject to third party intellectual property claims, the Initial
Developer hereby grants You a world-wide, royalty-free, non-exclusive
license:
(a) under intellectual property rights (other than patent or
trademark) Licensable by Initial Developer, to use, reproduce, modify,
display, perform, sublicense and distribute the Original Software (or
portions thereof), with or without Modifications, and/or as part of a
Larger Work; and
(b) under Patent Claims infringed by the making, using or
selling of Original Software, to make, have made, use, practice, sell,
and offer for sale, and/or otherwise dispose of the Original Software
(or portions thereof).
(c) The licenses granted in Sections 2.1(a) and (b) are
effective on the date Initial Developer first distributes or otherwise
makes the Original Software available to a third party under the terms
of this License.
(d) Notwithstanding Section 2.1(b) above, no patent license is
granted: (1) for code that You delete from the Original Software, or (2)
for infringements caused by: (i) the modification of the Original
Software, or (ii) the combination of the Original Software with other
software or devices.
2.2. Contributor Grant.
Conditioned upon Your compliance with Section 3.1 below and subject
to third party intellectual property claims, each Contributor hereby
grants You a world-wide, royalty-free, non-exclusive license:
(a) under intellectual property rights (other than patent or
trademark) Licensable by Contributor to use, reproduce, modify, display,
perform, sublicense and distribute the Modifications created by such
Contributor (or portions thereof), either on an unmodified basis, with
other Modifications, as Covered Software and/or as part of a Larger Work;
and
(b) under Patent Claims infringed by the making, using, or
selling of Modifications made by that Contributor either alone and/or in
combination with its Contributor Version (or portions of such
combination), to make, use, sell, offer for sale, have made, and/or
otherwise dispose of: (1) Modifications made by that Contributor (or
portions thereof); and (2) the combination of Modifications made by that
Contributor with its Contributor Version (or portions of such
combination).
(c) The licenses granted in Sections 2.2(a) and 2.2(b) are
effective on the date Contributor first distributes or otherwise makes
the Modifications available to a third party.
(d) Notwithstanding Section 2.2(b) above, no patent license is
granted: (1) for any code that Contributor has deleted from the
Contributor Version; (2) for infringements caused by: (i) third party
modifications of Contributor Version, or (ii) the combination of
Modifications made by that Contributor with other software (except as
part of the Contributor Version) or other devices; or (3) under Patent
Claims infringed by Covered Software in the absence of Modifications
made by that Contributor.
3. Distribution Obligations.
3.1. Availability of Source Code.
Any Covered Software that You distribute or otherwise make
available in Executable form must also be made available in Source Code
form and that Source Code form must be distributed only under the terms
of this License. You must include a copy of this License with every copy
of the Source Code form of the Covered Software You distribute or
otherwise make available. You must inform recipients of any such Covered
Software in Executable form as to how they can obtain such Covered
Software in Source Code form in a reasonable manner on or through a
medium customarily used for software exchange.
3.2. Modifications.
The Modifications that You create or to which You contribute are
governed by the terms of this License. You represent that You believe
Your Modifications are Your original creation(s) and/or You have
sufficient rights to grant the rights conveyed by this License.
3.3. Required Notices.
You must include a notice in each of Your Modifications that
identifies You as the Contributor of the Modification. You may not
remove or alter any copyright, patent or trademark notices contained
within the Covered Software, or any notices of licensing or any
descriptive text giving attribution to any Contributor or the Initial
Developer.
3.4. Application of Additional Terms.
You may not offer or impose any terms on any Covered Software in
Source Code form that alters or restricts the applicable version of this
License or the recipients. rights hereunder. You may choose to offer,
and to charge a fee for, warranty, support, indemnity or liability
obligations to one or more recipients of Covered Software. However, you
may do so only on Your own behalf, and not on behalf of the Initial
Developer or any Contributor. You must make it absolutely clear that any
such warranty, support, indemnity or liability obligation is offered by
You alone, and You hereby agree to indemnify the Initial Developer and
every Contributor for any liability incurred by the Initial Developer or
such Contributor as a result of warranty, support, indemnity or
liability terms You offer.
3.5. Distribution of Executable Versions.
You may distribute the Executable form of the Covered Software
under the terms of this License or under the terms of a license of Your
choice, which may contain terms different from this License, provided
that You are in compliance with the terms of this License and that the
license for the Executable form does not attempt to limit or alter the
recipient.s rights in the Source Code form from the rights set forth in
this License. If You distribute the Covered Software in Executable form
under a different license, You must make it absolutely clear that any
terms which differ from this License are offered by You alone, not by
the Initial Developer or Contributor. You hereby agree to indemnify the
Initial Developer and every Contributor for any liability incurred by
the Initial Developer or such Contributor as a result of any such terms
You offer.
3.6. Larger Works.
You may create a Larger Work by combining Covered Software with
other code not governed by the terms of this License and distribute the
Larger Work as a single product. In such a case, You must make sure the
requirements of this License are fulfilled for the Covered Software.
4. Versions of the License.
4.1. New Versions.
Sun Microsystems, Inc. is the initial license steward and may
publish revised and/or new versions of this License from time to time.
Each version will be given a distinguishing version number. Except as
provided in Section 4.3, no one other than the license steward has the
right to modify this License.
4.2. Effect of New Versions.
You may always continue to use, distribute or otherwise make the
Covered Software available under the terms of the version of the License
under which You originally received the Covered Software. If the Initial
Developer includes a notice in the Original Software prohibiting it from
being distributed or otherwise made available under any subsequent
version of the License, You must distribute and make the Covered
Software available under the terms of the version of the License under
which You originally received the Covered Software. Otherwise, You may
also choose to use, distribute or otherwise make the Covered Software
available under the terms of any subsequent version of the License
published by the license steward.
4.3. Modified Versions.
When You are an Initial Developer and You want to create a new
license for Your Original Software, You may create and use a modified
version of this License if You: (a) rename the license and remove any
references to the name of the license steward (except to note that the
license differs from this License); and (b) otherwise make it clear that
the license contains terms which differ from this License.
5. DISCLAIMER OF WARRANTY.
COVERED SOFTWARE IS PROVIDED UNDER THIS LICENSE ON AN .AS IS. BASIS,
WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
WITHOUT LIMITATION, WARRANTIES THAT THE COVERED SOFTWARE IS FREE OF
DEFECTS, MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE OR NON-INFRINGING.
THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE COVERED
SOFTWARE IS WITH YOU. SHOULD ANY COVERED SOFTWARE PROVE DEFECTIVE IN ANY
RESPECT, YOU (NOT THE INITIAL DEVELOPER OR ANY OTHER CONTRIBUTOR) ASSUME
THE COST OF ANY NECESSARY SERVICING, REPAIR OR CORRECTION. THIS
DISCLAIMER OF WARRANTY CONSTITUTES AN ESSENTIAL PART OF THIS LICENSE. NO
USE OF ANY COVERED SOFTWARE IS AUTHORIZED HEREUNDER EXCEPT UNDER THIS
DISCLAIMER.
6. TERMINATION.
6.1. This License and the rights granted hereunder will terminate
automatically if You fail to comply with terms herein and fail to cure
such breach within 30 days of becoming aware of the breach. Provisions
which, by their nature, must remain in effect beyond the termination of
this License shall survive.
6.2. If You assert a patent infringement claim (excluding
declaratory judgment actions) against Initial Developer or a Contributor
(the Initial Developer or Contributor against whom You assert such claim
is referred to as .Participant.) alleging that the Participant Software
(meaning the Contributor Version where the Participant is a Contributor
or the Original Software where the Participant is the Initial Developer)
directly or indirectly infringes any patent, then any and all rights
granted directly or indirectly to You by such Participant, the Initial
Developer (if the Initial Developer is not the Participant) and all
Contributors under Sections 2.1 and/or 2.2 of this License shall, upon
60 days notice from Participant terminate prospectively and
automatically at the expiration of such 60 day notice period, unless if
within such 60 day period You withdraw Your claim with respect to the
Participant Software against such Participant either unilaterally or
pursuant to a written agreement with Participant.
6.3. In the event of termination under Sections 6.1 or 6.2 above,
all end user licenses that have been validly granted by You or any
distributor hereunder prior to termination (excluding licenses granted
to You by any distributor) shall survive termination.
7. LIMITATION OF LIABILITY.
UNDER NO CIRCUMSTANCES AND UNDER NO LEGAL THEORY, WHETHER TORT
(INCLUDING NEGLIGENCE), CONTRACT, OR OTHERWISE, SHALL YOU, THE INITIAL
DEVELOPER, ANY OTHER CONTRIBUTOR, OR ANY DISTRIBUTOR OF COVERED SOFTWARE,
OR ANY SUPPLIER OF ANY OF SUCH PARTIES, BE LIABLE TO ANY PERSON FOR ANY
INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES OF ANY CHARACTER
INCLUDING, WITHOUT LIMITATION, DAMAGES FOR LOST PROFITS, LOSS OF
GOODWILL, WORK STOPPAGE, COMPUTER FAILURE OR MALFUNCTION, OR ANY AND ALL
OTHER COMMERCIAL DAMAGES OR LOSSES, EVEN IF SUCH PARTY SHALL HAVE BEEN
INFORMED OF THE POSSIBILITY OF SUCH DAMAGES. THIS LIMITATION OF
LIABILITY SHALL NOT APPLY TO LIABILITY FOR DEATH OR PERSONAL INJURY
RESULTING FROM SUCH PARTY.S NEGLIGENCE TO THE EXTENT APPLICABLE LAW
PROHIBITS SUCH LIMITATION. SOME JURISDICTIONS DO NOT ALLOW THE EXCLUSION
OR LIMITATION OF INCIDENTAL OR CONSEQUENTIAL DAMAGES, SO THIS EXCLUSION
AND LIMITATION MAY NOT APPLY TO YOU.
8. U.S. GOVERNMENT END USERS.
The Covered Software is a .commercial item,. as that term is defined
in 48 C.F.R. 2.101 (Oct. 1995), consisting of .commercial computer
software. (as that term is defined at 48 C.F.R. º 252.227-7014(a)(1))
and .commercial computer software documentation. as such terms are used
in 48 C.F.R. 12.212 (Sept. 1995). Consistent with 48 C.F.R. 12.212 and
48 C.F.R. 227.7202-1 through 227.7202-4 (June 1995), all U.S. Government
End Users acquire Covered Software with only those rights set forth
herein. This U.S. Government Rights clause is in lieu of, and supersedes,
any other FAR, DFAR, or other clause or provision that addresses
Government rights in computer software under this License.
9. MISCELLANEOUS.
This License represents the complete agreement concerning subject
matter hereof. If any provision of this License is held to be
unenforceable, such provision shall be reformed only to the extent
necessary to make it enforceable. This License shall be governed by the
law of the jurisdiction specified in a notice contained within the
Original Software (except to the extent applicable law, if any, provides
otherwise), excluding such jurisdiction.s conflict-of-law provisions.
Any litigation relating to this License shall be subject to the
jurisdiction of the courts located in the jurisdiction and venue
specified in a notice contained within the Original Software, with the
losing party responsible for costs, including, without limitation, court
costs and reasonable attorneys. fees and expenses. The application of
the United Nations Convention on Contracts for the International Sale of
Goods is expressly excluded. Any law or regulation which provides that
the language of a contract shall be construed against the drafter shall
not apply to this License. You agree that You alone are responsible for
compliance with the United States export administration regulations (and
the export control laws and regulation of any other countries) when You
use, distribute or otherwise make available any Covered Software.
10. RESPONSIBILITY FOR CLAIMS.
As between Initial Developer and the Contributors, each party is
responsible for claims and damages arising, directly or indirectly, out
of its utilization of rights under this License and You agree to work
with Initial Developer and Contributors to distribute such
responsibility on an equitable basis. Nothing herein is intended or
shall be deemed to constitute any admission of liability.
NOTICE PURSUANT TO SECTION 9 OF THE COMMON DEVELOPMENT AND
DISTRIBUTION LICENSE (CDDL)
The code released under the CDDL shall be governed by the laws of the
State of California (excluding conflict-of-law provisions). Any
litigation relating to this License shall be subject to the jurisdiction
of the Federal Courts of the Northern District of California and the
state courts of the State of California, with venue lying in Santa Clara
County, California.
The GNU General Public License (GPL) Version 2, June 1991
Copyright (C) 1989, 1991 Free Software Foundation, Inc. 59 Temple Place,
Suite 330, Boston, MA 02111-1307 USA
Everyone is permitted to copy and distribute verbatim copies of this
license document, but changing it is not allowed.
Preamble
The licenses for most software are designed to take away your freedom to
share and change it. By contrast, the GNU General Public License is
intended to guarantee your freedom to share and change free software--to
make sure the software is free for all its users. This General Public
License applies to most of the Free Software Foundation's software and
to any other program whose authors commit to using it. (Some other Free
Software Foundation software is covered by the GNU Library General
Public License instead.) You can apply it to your programs, too.
When we speak of free software, we are referring to freedom, not price.
Our General Public Licenses are designed to make sure that you have the
freedom to distribute copies of free software (and charge for this
service if you wish), that you receive source code or can get it if you
want it, that you can change the software or use pieces of it in new
free programs; and that you know you can do these things.
To protect your rights, we need to make restrictions that forbid anyone
to deny you these rights or to ask you to surrender the rights. These
restrictions translate to certain responsibilities for you if you
distribute copies of the software, or if you modify it.
For example, if you distribute copies of such a program, whether gratis
or for a fee, you must give the recipients all the rights that you have.
You must make sure that they, too, receive or can get the source code.
And you must show them these terms so they know their rights.
We protect your rights with two steps: (1) copyright the software, and
(2) offer you this license which gives you legal permission to copy,
distribute and/or modify the software.
Also, for each author's protection and ours, we want to make certain
that everyone understands that there is no warranty for this free
software. If the software is modified by someone else and passed on, we
want its recipients to know that what they have is not the original, so
that any problems introduced by others will not reflect on the original
authors' reputations.
Finally, any free program is threatened constantly by software patents.
We wish to avoid the danger that redistributors of a free program will
individually obtain patent licenses, in effect making the program
proprietary. To prevent this, we have made it clear that any patent must
be licensed for everyone's free use or not licensed at all.
The precise terms and conditions for copying, distribution and
modification follow.
TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION
0. This License applies to any program or other work which contains a
notice placed by the copyright holder saying it may be distributed under
the terms of this General Public License. The "Program", below, refers
to any such program or work, and a "work based on the Program" means
either the Program or any derivative work under copyright law: that is
to say, a work containing the Program or a portion of it, either
verbatim or with modifications and/or translated into another language.
(Hereinafter, translation is included without limitation in the term
"modification".) Each licensee is addressed as "you".
Activities other than copying, distribution and modification are not
covered by this License; they are outside its scope. The act of running
the Program is not restricted, and the output from the Program is
covered only if its contents constitute a work based on the Program
(independent of having been made by running the Program). Whether that
is true depends on what the Program does.
1. You may copy and distribute verbatim copies of the Program's source
code as you receive it, in any medium, provided that you conspicuously
and appropriately publish on each copy an appropriate copyright notice
and disclaimer of warranty; keep intact all the notices that refer to
this License and to the absence of any warranty; and give any other
recipients of the Program a copy of this License along with the Program.
You may charge a fee for the physical act of transferring a copy, and
you may at your option offer warranty protection in exchange for a fee.
2. You may modify your copy or copies of the Program or any portion of
it, thus forming a work based on the Program, and copy and distribute
such modifications or work under the terms of Section 1 above, provided
that you also meet all of these conditions:
a) You must cause the modified files to carry prominent notices
stating that you changed the files and the date of any change.
b) You must cause any work that you distribute or publish, that in
whole or in part contains or is derived from the Program or any part
thereof, to be licensed as a whole at no charge to all third parties
under the terms of this License.
c) If the modified program normally reads commands interactively when
run, you must cause it, when started running for such interactive use in
the most ordinary way, to print or display an announcement including an
appropriate copyright notice and a notice that there is no warranty (or
else, saying that you provide a warranty) and that users may
redistribute the program under these conditions, and telling the user
how to view a copy of this License. (Exception: if the Program itself is
interactive but does not normally print such an announcement, your work
based on the Program is not required to print an announcement.)
These requirements apply to the modified work as a whole. If
identifiable sections of that work are not derived from the Program, and
can be reasonably considered independent and separate works in
themselves, then this License, and its terms, do not apply to those
sections when you distribute them as separate works. But when you
distribute the same sections as part of a whole which is a work based on
the Program, the distribution of the whole must be on the terms of this
License, whose permissions for other licensees extend to the entire
whole, and thus to each and every part regardless of who wrote it.
Thus, it is not the intent of this section to claim rights or contest
your rights to work written entirely by you; rather, the intent is to
exercise the right to control the distribution of derivative or
collective works based on the Program.
In addition, mere aggregation of another work not based on the Program
with the Program (or with a work based on the Program) on a volume of a
storage or distribution medium does not bring the other work under the
scope of this License.
3. You may copy and distribute the Program (or a work based on it, under
Section 2) in object code or executable form under the terms of Sections
1 and 2 above provided that you also do one of the following:
a) Accompany it with the complete corresponding machine-readable
source code, which must be distributed under the terms of Sections 1 and
2 above on a medium customarily used for software interchange; or,
b) Accompany it with a written offer, valid for at least three years,
to give any third party, for a charge no more than your cost of
physically performing source distribution, a complete machine-readable
copy of the corresponding source code, to be distributed under the terms
of Sections 1 and 2 above on a medium customarily used for software
interchange; or,
c) Accompany it with the information you received as to the offer to
distribute corresponding source code. (This alternative is allowed only
for noncommercial distribution and only if you received the program in
object code or executable form with such an offer, in accord with
Subsection b above.)
The source code for a work means the preferred form of the work for
making modifications to it. For an executable work, complete source code
means all the source code for all modules it contains, plus any
associated interface definition files, plus the scripts used to control
compilation and installation of the executable. However, as a special
exception, the source code distributed need not include anything that is
normally distributed (in either source or binary form) with the major
components (compiler, kernel, and so on) of the operating system on
which the executable runs, unless that component itself accompanies the
executable.
If distribution of executable or object code is made by offering access
to copy from a designated place, then offering equivalent access to copy
the source code from the same place counts as distribution of the source
code, even though third parties are not compelled to copy the source
along with the object code.
4. You may not copy, modify, sublicense, or distribute the Program
except as expressly provided under this License. Any attempt otherwise
to copy, modify, sublicense or distribute the Program is void, and will
automatically terminate your rights under this License. However, parties
who have received copies, or rights, from you under this License will
not have their licenses terminated so long as such parties remain in
full compliance.
5. You are not required to accept this License, since you have not
signed it. However, nothing else grants you permission to modify or
distribute the Program or its derivative works. These actions are
prohibited by law if you do not accept this License. Therefore, by
modifying or distributing the Program (or any work based on the Program),
you indicate your acceptance of this License to do so, and all its terms
and conditions for copying, distributing or modifying the Program or
works based on it.
6. Each time you redistribute the Program (or any work based on the
Program), the recipient automatically receives a license from the
original licensor to copy, distribute or modify the Program subject to
these terms and conditions. You may not impose any further restrictions
on the recipients' exercise of the rights granted herein. You are not
responsible for enforcing compliance by third parties to this License.
7. If, as a consequence of a court judgment or allegation of patent
infringement or for any other reason (not limited to patent issues),
conditions are imposed on you (whether by court order, agreement or
otherwise) that contradict the conditions of this License, they do not
excuse you from the conditions of this License. If you cannot distribute
so as to satisfy simultaneously your obligations under this License and
any other pertinent obligations, then as a consequence you may not
distribute the Program at all. For example, if a patent license would
not permit royalty-free redistribution of the Program by all those who
receive copies directly or indirectly through you, then the only way you
could satisfy both it and this License would be to refrain entirely from
distribution of the Program.
If any portion of this section is held invalid or unenforceable under
any particular circumstance, the balance of the section is intended to
apply and the section as a whole is intended to apply in other
circumstances.
It is not the purpose of this section to induce you to infringe any
patents or other property right claims or to contest validity of any
such claims; this section has the sole purpose of protecting the
integrity of the free software distribution system, which is implemented
by public license practices. Many people have made generous
contributions to the wide range of software distributed through that
system in reliance on consistent application of that system; it is up to
the author/donor to decide if he or she is willing to distribute
software through any other system and a licensee cannot impose that
choice.
This section is intended to make thoroughly clear what is believed to be
a consequence of the rest of this License.
8. If the distribution and/or use of the Program is restricted in
certain countries either by patents or by copyrighted interfaces, the
original copyright holder who places the Program under this License may
add an explicit geographical distribution limitation excluding those
countries, so that distribution is permitted only in or among countries
not thus excluded. In such case, this License incorporates the
limitation as if written in the body of this License.
9. The Free Software Foundation may publish revised and/or new versions
of the General Public License from time to time. Such new versions will
be similar in spirit to the present version, but may differ in detail to
address new problems or concerns.
Each version is given a distinguishing version number. If the Program
specifies a version number of this License which applies to it and "any
later version", you have the option of following the terms and
conditions either of that version or of any later version published by
the Free Software Foundation. If the Program does not specify a version
number of this License, you may choose any version ever published by the
Free Software Foundation.
10. If you wish to incorporate parts of the Program into other free
programs whose distribution conditions are different, write to the
author to ask for permission. For software which is copyrighted by the
Free Software Foundation, write to the Free Software Foundation; we
sometimes make exceptions for this. Our decision will be guided by the
two goals of preserving the free status of all derivatives of our free
software and of promoting the sharing and reuse of software generally.
NO WARRANTY
11. BECAUSE THE PROGRAM IS LICENSED FREE OF CHARGE, THERE IS NO WARRANTY
FOR THE PROGRAM, TO THE EXTENT PERMITTED BY APPLICABLE LAW. EXCEPT WHEN
OTHERWISE STATED IN WRITING THE COPYRIGHT HOLDERS AND/OR OTHER PARTIES
PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER
EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE
ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM IS WITH YOU.
SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF ALL NECESSARY
SERVICING, REPAIR OR CORRECTION.
12. IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN
WRITING WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MAY MODIFY
AND/OR REDISTRIBUTE THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR
DAMAGES, INCLUDING ANY GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL
DAMAGES ARISING OUT OF THE USE OR INABILITY TO USE THE PROGRAM
(INCLUDING BUT NOT LIMITED TO LOSS OF DATA OR DATA BEING RENDERED
INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD PARTIES OR A FAILURE OF
THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS), EVEN IF SUCH HOLDER OR
OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
END OF TERMS AND CONDITIONS
How to Apply These Terms to Your New Programs
If you develop a new program, and you want it to be of the greatest
possible use to the public, the best way to achieve this is to make it
free software which everyone can redistribute and change under these
terms.
To do so, attach the following notices to the program. It is safest to
attach them to the start of each source file to most effectively convey
the exclusion of warranty; and each file should have at least the
"copyright" line and a pointer to where the full notice is found.
One line to give the program's name and a brief idea of what it does.
Copyright (C)
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by the
Free Software Foundation; either version 2 of the License, or (at your
option) any later version.
This program is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software Foundation,
Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
Also add information on how to contact you by electronic and paper mail.
If the program is interactive, make it output a short notice like this
when it starts in an interactive mode:
Gnomovision version 69, Copyright (C) year name of author
Gnomovision comes with ABSOLUTELY NO WARRANTY; for details type `show
w'. This is free software, and you are welcome to redistribute it under
certain conditions; type `show c' for details.
The hypothetical commands `show w' and `show c' should show the
appropriate parts of the General Public License. Of course, the commands
you use may be called something other than `show w' and `show c'; they
could even be mouse-clicks or menu items--whatever suits your program.
You should also get your employer (if you work as a programmer) or your
school, if any, to sign a "copyright disclaimer" for the program, if
necessary. Here is a sample; alter the names:
Yoyodyne, Inc., hereby disclaims all copyright interest in the
program `Gnomovision' (which makes passes at compilers) written by James
Hacker.
signature of Ty Coon, 1 April 1989
Ty Coon, President of Vice
This General Public License does not permit incorporating your program
into proprietary programs. If your program is a subroutine library, you
may consider it more useful to permit linking proprietary applications
with the library. If this is what you want to do, use the GNU Library
General Public License instead of this License.
"CLASSPATH" EXCEPTION TO THE GPL VERSION 2
Certain source files distributed by Sun Microsystems, Inc. are subject
to the following clarification and special exception to the GPL Version
2, but only where Sun has expressly included in the particular source
file's header the words
"Sun designates this particular file as subject to the "Classpath"
exception as provided by Sun in the License file that accompanied this
code."
Linking this library statically or dynamically with other modules is
making a combined work based on this library. Thus, the terms and
conditions of the GNU General Public License Version 2 cover the whole
combination.
As a special exception, the copyright holders of this library give you
permission to link this library with independent modules to produce an
executable, regardless of the license terms of these independent modules,
and to copy and distribute the resulting executable under terms of your
choice, provided that you also meet, for each linked independent module,
the terms and conditions of the license of that module.? An independent
module is a module which is not derived from or based on this library.?
If you modify this library, you may extend this exception to your
version of the library, but you are not obligated to do so.? If you do
not wish to do so, delete this exception statement from your version.


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Apache License
Version 2.0, January 2004
http://www.apache.org/licenses/
TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
1. Definitions.
"License" shall mean the terms and conditions for use, reproduction,
and distribution as defined by Sections 1 through 9 of this document.
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APPENDIX: How to apply the Apache License to your work.
To apply the Apache License to your work, attach the following
boilerplate notice, with the fields enclosed by brackets "[]"
replaced with your own identifying information. (Don't include
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Copyright 1999-2005 The Apache Software Foundation
Licensed under the Apache License, Version 2.0 (the "License");
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5
x-pack/snapshot-tool/licenses/log4j-NOTICE.txt Normal file
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Apache log4j
Copyright 2007 The Apache Software Foundation
This product includes software developed at
The Apache Software Foundation (http://www.apache.org/).

28
x-pack/snapshot-tool/src/bin/elasticsearch-snapshot Executable file
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#!/bin/bash
SCRIPT="$0"
while [ -h "$SCRIPT" ] ; do
ls=`ls -ld "$SCRIPT"`
# Drop everything prior to ->
link=`expr "$ls" : '.*-> \(.*\)$'`
if expr "$link" : '/.*' > /dev/null; then
SCRIPT="$link"
else
SCRIPT=`dirname "$SCRIPT"`/"$link"
fi
done
JARS_PATH="$(dirname $(dirname $SCRIPT))/libs"
unset CLASSPATH
for J in $(cd "${JARS_PATH}"; ls *.jar); do
CLASSPATH=${CLASSPATH}${CLASSPATH:+:}${JARS_PATH}/${J}
done
for J in $(cd "${JARS_PATH}/vendor"; ls *.jar); do
CLASSPATH=${CLASSPATH}${CLASSPATH:+:}${JARS_PATH}/vendor/${J}
done
exec java -cp "${CLASSPATH}" org.elasticsearch.snapshots.SnapshotToolCli "$@"

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/*
* Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
* or more contributor license agreements. Licensed under the Elastic License;
* you may not use this file except in compliance with the Elastic License.
*/
package org.elasticsearch.snapshots;
import org.elasticsearch.ElasticsearchException;
import org.elasticsearch.ElasticsearchParseException;
import org.elasticsearch.action.ActionRunnable;
import org.elasticsearch.action.support.GroupedActionListener;
import org.elasticsearch.action.support.PlainActionFuture;
import org.elasticsearch.cli.Terminal;
import org.elasticsearch.common.collect.Tuple;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.common.util.concurrent.EsExecutors;
import org.elasticsearch.common.util.concurrent.ThreadContext;
import org.elasticsearch.common.util.set.Sets;
import org.elasticsearch.common.xcontent.XContentParser;
import org.elasticsearch.repositories.IndexId;
import org.elasticsearch.repositories.RepositoryData;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.Date;
import java.util.List;
import java.util.Objects;
import java.util.Set;
import java.util.TreeSet;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.TimeUnit;
import java.util.stream.Collectors;
public abstract class AbstractRepository implements Repository {
private static final long DEFAULT_SAFETY_GAP_MILLIS = 3600 * 1000;
private static final int DEFAULT_PARALLELISM = 100;
private static final String INCOMPATIBLE_SNAPSHOTS = "incompatible-snapshots";
private static final String NAME = "name";
private static final String UUID = "uuid";
protected final Terminal terminal;
private final long safetyGapMillis;
private final int parallelism;
protected AbstractRepository(Terminal terminal, Long safetyGapMillis, Integer parallelism) {
this.terminal = terminal;
this.safetyGapMillis = safetyGapMillis == null ? DEFAULT_SAFETY_GAP_MILLIS : safetyGapMillis;
this.parallelism = parallelism == null ? DEFAULT_PARALLELISM : parallelism;
}
private void describeCollection(String start, Collection<?> elements) {
terminal.println(Terminal.Verbosity.VERBOSE,
start + " has " + elements.size() + " elements: " + elements);
}
/**
* Reads the incompatible snapshot ids from x-content, loading them into a new instance of {@link RepositoryData}
* that is created from the invoking instance, plus the incompatible snapshots that are read from x-content.
*/
static List<SnapshotId> incompatibleSnapshotsFromXContent(final XContentParser parser) throws IOException {
List<SnapshotId> incompatibleSnapshotIds = new ArrayList<>();
if (parser.nextToken() == XContentParser.Token.START_OBJECT) {
while (parser.nextToken() == XContentParser.Token.FIELD_NAME) {
String currentFieldName = parser.currentName();
if (INCOMPATIBLE_SNAPSHOTS.equals(currentFieldName)) {
if (parser.nextToken() == XContentParser.Token.START_ARRAY) {
while (parser.nextToken() != XContentParser.Token.END_ARRAY) {
incompatibleSnapshotIds.add(snapshotIdFromXContent(parser));
}
} else {
throw new ElasticsearchParseException("expected array for [" + currentFieldName + "]");
}
} else {
throw new ElasticsearchParseException("unknown field name [" + currentFieldName + "]");
}
}
} else {
throw new ElasticsearchParseException("start object expected");
}
return incompatibleSnapshotIds;
}
private static SnapshotId snapshotIdFromXContent(XContentParser parser) throws IOException {
// the new format from 5.0 which contains the snapshot name and uuid
if (parser.currentToken() == XContentParser.Token.START_OBJECT) {
String name = null;
String uuid = null;
while (parser.nextToken() != XContentParser.Token.END_OBJECT) {
String currentFieldName = parser.currentName();
parser.nextToken();
if (NAME.equals(currentFieldName)) {
name = parser.text();
} else if (UUID.equals(currentFieldName)) {
uuid = parser.text();
}
}
return new SnapshotId(name, uuid);
} else {
// the old format pre 5.0 that only contains the snapshot name, use the name as the uuid too
final String name = parser.text();
return new SnapshotId(name, name);
}
}
@Override
public void cleanup() throws IOException {
terminal.println(Terminal.Verbosity.VERBOSE, "Obtaining latest index file generation and creation timestamp");
Tuple<Long, Date> latestIndexIdAndTimestamp = getLatestIndexIdAndTimestamp();
if (latestIndexIdAndTimestamp.v1() == -1) {
terminal.println(Terminal.Verbosity.NORMAL, "No index-N files found. Repository is empty or corrupted? Exiting");
return;
}
long latestIndexId = latestIndexIdAndTimestamp.v1();
terminal.println(Terminal.Verbosity.VERBOSE, "Latest index file generation is " + latestIndexId);
Date indexNTimestamp = latestIndexIdAndTimestamp.v2();
Date shiftedIndexNTimestamp = new Date(indexNTimestamp.getTime() - safetyGapMillis);
terminal.println(Terminal.Verbosity.VERBOSE, "Latest index file creation timestamp is " + indexNTimestamp);
terminal.println(Terminal.Verbosity.VERBOSE, "Shifted by safety gap creation timestamp is " + shiftedIndexNTimestamp);
terminal.println(Terminal.Verbosity.VERBOSE, "Reading latest index file");
final RepositoryData repositoryData = getRepositoryData(latestIndexId);
final Collection<SnapshotId> incompatibleSnapshots = getIncompatibleSnapshots();
if (incompatibleSnapshots.isEmpty() == false) {
throw new ElasticsearchException(
"Found incompatible snapshots which prevent a safe cleanup execution " + incompatibleSnapshots);
}
if (repositoryData.getIndices().isEmpty()) {
throw new ElasticsearchException(
"The repository data contains no references to any indices. Maybe it is from before version 5.x?");
}
Set<String> referencedIndexIds = repositoryData.getIndices().values().stream().map(IndexId::getId).collect(Collectors.toSet());
describeCollection("Set of indices referenced by index file", referencedIndexIds);
terminal.println(Terminal.Verbosity.VERBOSE, "Listing indices/ directory");
Set<String> allIndexIds = getAllIndexDirectoryNames();
describeCollection("Set of indices inside indices/ directory", allIndexIds);
Set<String> deletionCandidates = new TreeSet<>(Sets.difference(allIndexIds, referencedIndexIds));
describeCollection("Set of deletion candidates", deletionCandidates);
if (deletionCandidates.isEmpty()) {
terminal.println(Terminal.Verbosity.NORMAL, "Set of deletion candidates is empty. Exiting");
return;
}
ExecutorService executor = EsExecutors.newScaling("snapshot_cleanup", 0, parallelism, 10L, TimeUnit.SECONDS,
EsExecutors.daemonThreadFactory("snapshot_cleanup_tool"), new ThreadContext(Settings.EMPTY));
try {
PlainActionFuture<Collection<String>> orphanedIndicesFuture = new PlainActionFuture<>();
GroupedActionListener<String> groupedOrphanedIndicesListener = new GroupedActionListener<>(orphanedIndicesFuture,
deletionCandidates.size());
for (String candidate : deletionCandidates) {
executor.submit(new ActionRunnable<>(groupedOrphanedIndicesListener) {
@Override
protected void doRun() {
if (isOrphaned(candidate, shiftedIndexNTimestamp)) {
groupedOrphanedIndicesListener.onResponse(candidate);
} else {
groupedOrphanedIndicesListener.onResponse(null);
}
}
});
}
Set<String> orphanedIndexIds =
new TreeSet<>(orphanedIndicesFuture.actionGet().stream().filter(Objects::nonNull).collect(Collectors.toSet()));
describeCollection("Set of orphaned indices", orphanedIndexIds);
if (orphanedIndexIds.isEmpty()) {
terminal.println(Terminal.Verbosity.NORMAL, "Set of orphaned indices is empty. Exiting");
return;
}
confirm(terminal, orphanedIndexIds.size() + " indices have been found. Do you want to remove orphaned indices files? " +
"This action is NOT REVERSIBLE");
terminal.println(Terminal.Verbosity.NORMAL, "Removing " + orphanedIndexIds.size() + " orphaned indices");
PlainActionFuture<Collection<Void>> removalFuture = new PlainActionFuture<>();
final List<Tuple<Integer, Long>> results = Collections.synchronizedList(new ArrayList<>());
GroupedActionListener<Void> groupedRemovalListener =
new GroupedActionListener<>(removalFuture, orphanedIndexIds.size());
for (final String indexId : orphanedIndexIds) {
executor.submit(new ActionRunnable<>(groupedRemovalListener) {
@Override
protected void doRun() {
terminal.println(Terminal.Verbosity.NORMAL, "Removing orphaned index " + indexId);
Tuple<Integer, Long> countSize = deleteIndex(indexId);
terminal.println("Index directory " + indexId + ", files removed " + countSize.v1() +
", bytes freed " + countSize.v2());
results.add(countSize);
groupedRemovalListener.onResponse(null);
}
});
}
Exception ex = null;
try {
removalFuture.actionGet();
} catch (Exception e) {
ex = e;
}
int totalFilesRemoved = results.stream().mapToInt(Tuple::v1).sum();
long totalSpaceFreed = results.stream().mapToLong(Tuple::v2).sum();
terminal.println(Terminal.Verbosity.NORMAL, "Total files removed: " + totalFilesRemoved);
terminal.println(Terminal.Verbosity.NORMAL, "Total bytes freed: " + totalSpaceFreed);
terminal.println(Terminal.Verbosity.NORMAL,
"Finished removing " + results.size() + "/" + orphanedIndexIds.size() + " orphaned indices");
if (ex != null) {
throw new ElasticsearchException(ex);
}
} finally {
executor.shutdown();
try {
if (executor.awaitTermination(30, TimeUnit.SECONDS) == false) {
terminal.println(Terminal.Verbosity.NORMAL, "Unexpectedly there are still tasks running on the executor");
}
} catch (InterruptedException e) {
throw new ElasticsearchException(e);
}
}
}
private boolean isOrphaned(String candidate, Date shiftedIndexNTimestamp) {
terminal.println(Terminal.Verbosity.VERBOSE, "Reading index " + candidate + " last modification timestamp");
Date indexTimestamp = getIndexTimestamp(candidate);
if (indexTimestamp != null) {
if (indexTimestamp.before(shiftedIndexNTimestamp)) {
terminal.println(Terminal.Verbosity.VERBOSE,
"Index " + candidate + " is orphaned because its modification timestamp " + indexTimestamp +
" is less than index-N shifted timestamp " + shiftedIndexNTimestamp);
return true;
} else {
terminal.println(Terminal.Verbosity.VERBOSE,
"Index " + candidate + " might not be orphaned because its modification timestamp "
+ indexTimestamp +
" is gte than index-N shifted timestamp " + shiftedIndexNTimestamp);
}
}
return false;
}
private void confirm(Terminal terminal, String msg) {
terminal.println(Terminal.Verbosity.NORMAL, msg);
String text = terminal.readText("Confirm [y/N] ");
if (text.equalsIgnoreCase("y") == false) {
throw new ElasticsearchException("Aborted by user");
}
}
}

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x-pack/snapshot-tool/src/main/java/org/elasticsearch/snapshots/CleanupS3RepositoryCommand.java Normal file
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/*
* Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
* or more contributor license agreements. Licensed under the Elastic License;
* you may not use this file except in compliance with the Elastic License.
*/
package org.elasticsearch.snapshots;
import joptsimple.OptionParser;
import joptsimple.OptionSet;
import joptsimple.OptionSpec;
import org.elasticsearch.ElasticsearchException;
import org.elasticsearch.cli.Command;
import org.elasticsearch.cli.CommandLoggingConfigurator;
import org.elasticsearch.cli.Terminal;
import org.elasticsearch.common.Strings;
public class CleanupS3RepositoryCommand extends Command {
private final OptionSpec<String> regionOption;
private final OptionSpec<String> endpointOption;
private final OptionSpec<String> bucketOption;
private final OptionSpec<String> basePathOption;
private final OptionSpec<String> accessKeyOption;
private final OptionSpec<String> secretKeyOption;
private final OptionSpec<Long> safetyGapMillisOption;
private final OptionSpec<Integer> parallelismOption;
public CleanupS3RepositoryCommand() {
super("Command to cleanup orphaned segment files from the S3 repository",
CommandLoggingConfigurator::configureLoggingWithoutConfig);
regionOption = parser.accepts("region", "S3 region")
.withRequiredArg();
endpointOption = parser.accepts("endpoint", "S3 endpoint")
.withRequiredArg();
bucketOption = parser.accepts("bucket", "Bucket name")
.withRequiredArg();
basePathOption = parser.accepts("base_path", "Base path")
.withRequiredArg();
accessKeyOption = parser.accepts("access_key", "Access key")
.withRequiredArg();
secretKeyOption = parser.accepts("secret_key", "Secret key")
.withRequiredArg();
safetyGapMillisOption = parser.accepts("safety_gap_millis", "Safety gap to account for clock drift")
.withRequiredArg().ofType(Long.class);
parallelismOption = parser.accepts("parallelism", "How many threads to use to talk to S3")
.withRequiredArg().ofType(Integer.class);
}
@Override
protected void execute(Terminal terminal, OptionSet options) throws Exception {
String region = regionOption.value(options);
String endpoint = endpointOption.value(options);
if (Strings.isNullOrEmpty(region) && Strings.isNullOrEmpty(endpoint)) {
throw new ElasticsearchException("region or endpoint option is required for cleaning up S3 repository");
}
if (Strings.isNullOrEmpty(region) == false && Strings.isNullOrEmpty(endpoint) == false) {
throw new ElasticsearchException("you must not specify both region and endpoint");
}
String bucket = bucketOption.value(options);
if (Strings.isNullOrEmpty(bucket)) {
throw new ElasticsearchException("bucket option is required for cleaning up S3 repository");
}
String basePath = basePathOption.value(options);
if (basePath.endsWith("/")) {
throw new ElasticsearchException("there should be not trailing slash in the base path");
}
String accessKey = accessKeyOption.value(options);
if (Strings.isNullOrEmpty(accessKey)) {
throw new ElasticsearchException("access_key option is required for cleaning up S3 repository");
}
String secretKey = secretKeyOption.value(options);
if (Strings.isNullOrEmpty(secretKey)) {
throw new ElasticsearchException("secret_key option is required for cleaning up S3 repository");
}
Long safetyGapMillis = safetyGapMillisOption.value(options);
if (safetyGapMillis != null && safetyGapMillis < 0L) {
throw new ElasticsearchException("safety_gap_millis should be non-negative");
}
Integer parallelism = parallelismOption.value(options);
if (parallelism != null && parallelism < 1) {
throw new ElasticsearchException("parallelism should be at least 1");
}
Repository repository = new S3Repository(terminal, safetyGapMillis, parallelism, endpoint, region, accessKey, secretKey, bucket,
basePath);
repository.cleanup();
}
// package-private for testing
OptionParser getParser() {
return parser;
}
}

30
x-pack/snapshot-tool/src/main/java/org/elasticsearch/snapshots/Repository.java Normal file
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/*
* Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
* or more contributor license agreements. Licensed under the Elastic License;
* you may not use this file except in compliance with the Elastic License.
*/
package org.elasticsearch.snapshots;
import org.elasticsearch.common.collect.Tuple;
import org.elasticsearch.repositories.RepositoryData;
import java.io.IOException;
import java.util.Collection;
import java.util.Date;
import java.util.Set;
public interface Repository {
Tuple<Long, Date> getLatestIndexIdAndTimestamp() throws IOException;
RepositoryData getRepositoryData(long indexFileGeneration) throws IOException;
Collection<SnapshotId> getIncompatibleSnapshots() throws IOException;
Set<String> getAllIndexDirectoryNames();
Date getIndexTimestamp(String indexDirectoryName);
Tuple<Integer, Long> deleteIndex(String indexDirectoryName);
void cleanup() throws IOException;
}

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x-pack/snapshot-tool/src/main/java/org/elasticsearch/snapshots/S3Repository.java Normal file
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/*
* Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
* or more contributor license agreements. Licensed under the Elastic License;
* you may not use this file except in compliance with the Elastic License.
*/
package org.elasticsearch.snapshots;
import com.amazonaws.AmazonServiceException;
import com.amazonaws.ClientConfiguration;
import com.amazonaws.auth.AWSStaticCredentialsProvider;
import com.amazonaws.auth.BasicAWSCredentials;
import com.amazonaws.client.builder.AwsClientBuilder;
import com.amazonaws.services.s3.AmazonS3;
import com.amazonaws.services.s3.AmazonS3ClientBuilder;
import com.amazonaws.services.s3.model.AmazonS3Exception;
import com.amazonaws.services.s3.model.DeleteObjectsRequest;
import com.amazonaws.services.s3.model.ListObjectsRequest;
import com.amazonaws.services.s3.model.ObjectListing;
import com.amazonaws.services.s3.model.S3ObjectSummary;
import org.elasticsearch.cli.Terminal;
import org.elasticsearch.common.Strings;
import org.elasticsearch.common.collect.Tuple;
import org.elasticsearch.common.io.stream.BytesStreamOutput;
import org.elasticsearch.common.xcontent.LoggingDeprecationHandler;
import org.elasticsearch.common.xcontent.NamedXContentRegistry;
import org.elasticsearch.common.xcontent.XContentHelper;
import org.elasticsearch.common.xcontent.XContentParser;
import org.elasticsearch.common.xcontent.XContentType;
import org.elasticsearch.core.internal.io.Streams;
import org.elasticsearch.repositories.RepositoryData;
import org.elasticsearch.repositories.blobstore.BlobStoreRepository;
import org.elasticsearch.rest.RestStatus;
import java.io.IOException;
import java.io.InputStream;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.Date;
import java.util.List;
import java.util.Set;
import java.util.stream.Collectors;
public class S3Repository extends AbstractRepository {
private final AmazonS3 client;
private final String bucket;
private final String basePath;
S3Repository(Terminal terminal, Long safetyGapMillis, Integer parallelism, String endpoint, String region, String accessKey,
String secretKey, String bucket,
String basePath) {
super(terminal, safetyGapMillis, parallelism);
this.client = buildS3Client(endpoint, region, accessKey, secretKey);
this.basePath = basePath;
this.bucket = bucket;
}
private static AmazonS3 buildS3Client(String endpoint, String region, String accessKey, String secretKey) {
final AmazonS3ClientBuilder builder = AmazonS3ClientBuilder.standard();
builder.withCredentials(new AWSStaticCredentialsProvider(new BasicAWSCredentials(accessKey, secretKey)));
if (Strings.isNullOrEmpty(region)) {
builder.withEndpointConfiguration(new AwsClientBuilder.EndpointConfiguration(endpoint, null));
} else {
builder.withRegion(region);
}
builder.setClientConfiguration(new ClientConfiguration().withUserAgentPrefix("s3_cleanup_tool"));
return builder.build();
}
private String fullPath(String path) {
return basePath + "/" + path;
}
@Override
public Tuple<Long, Date> getLatestIndexIdAndTimestamp() {
ObjectListing listing = client.listObjects(bucket, fullPath(BlobStoreRepository.INDEX_FILE_PREFIX));
int prefixLength = fullPath(BlobStoreRepository.INDEX_FILE_PREFIX).length();
long maxGeneration = -1;
Date timestamp = null;
while (true) {
for (S3ObjectSummary objectSummary : listing.getObjectSummaries()) {
String generationStr = objectSummary.getKey().substring(prefixLength);
try {
long generation = Long.parseLong(generationStr);
if (generation > maxGeneration) {
maxGeneration = generation;
timestamp = objectSummary.getLastModified();
}
} catch (NumberFormatException e) {
terminal.println(Terminal.Verbosity.VERBOSE,
"Ignoring index file with unexpected name format " + objectSummary.getKey());
}
}
if (listing.isTruncated()) { //very unlikely that we have 1K+ index-N files, but let's make it bullet-proof
listing = client.listNextBatchOfObjects(listing);
} else {
return Tuple.tuple(maxGeneration, timestamp);
}
}
}
@Override
public RepositoryData getRepositoryData(long indexFileGeneration) throws IOException {
final String snapshotsIndexBlobName = BlobStoreRepository.INDEX_FILE_PREFIX + indexFileGeneration;
try (InputStream blob = client.getObject(bucket, fullPath(snapshotsIndexBlobName)).getObjectContent()) {
BytesStreamOutput out = new BytesStreamOutput();
Streams.copy(blob, out);
// EMPTY is safe here because RepositoryData#fromXContent calls namedObject
try (XContentParser parser = XContentHelper.createParser(NamedXContentRegistry.EMPTY,
LoggingDeprecationHandler.INSTANCE, out.bytes(), XContentType.JSON)) {
return RepositoryData.snapshotsFromXContent(parser, indexFileGeneration);
}
} catch (IOException e) {
terminal.println("Failed to read " + snapshotsIndexBlobName + " file");
throw e;
}
}
@Override
public Collection<SnapshotId> getIncompatibleSnapshots() throws IOException {
try (InputStream blob = client.getObject(bucket, fullPath("incompatible-snapshots")).getObjectContent()) {
BytesStreamOutput out = new BytesStreamOutput();
Streams.copy(blob, out);
// EMPTY is safe here because RepositoryData#fromXContent calls namedObject
try (XContentParser parser = XContentHelper.createParser(NamedXContentRegistry.EMPTY,
LoggingDeprecationHandler.INSTANCE, out.bytes(), XContentType.JSON)) {
return incompatibleSnapshotsFromXContent(parser);
}
} catch (AmazonS3Exception e) {
if (e.getStatusCode() != RestStatus.NOT_FOUND.getStatus()) {
throw e;
}
return Collections.emptyList();
} catch (IOException e) {
terminal.println("Failed to read [incompatible-snapshots] blob");
throw e;
}
}
@Override
public Set<String> getAllIndexDirectoryNames() {
try {
List<String> prefixes = new ArrayList<>();
ListObjectsRequest request = new ListObjectsRequest();
request.setBucketName(bucket);
request.setPrefix(fullPath("indices/"));
request.setDelimiter("/");
ObjectListing object_listing = client.listObjects(request);
prefixes.addAll(object_listing.getCommonPrefixes());
while (object_listing.isTruncated()) {
object_listing = client.listNextBatchOfObjects(object_listing);
prefixes.addAll(object_listing.getCommonPrefixes());
}
int indicesPrefixLength = fullPath("indices/").length();
assert prefixes.stream().allMatch(prefix -> prefix.startsWith(fullPath("indices/")));
return prefixes.stream().map(prefix -> prefix.substring(indicesPrefixLength, prefix.length() - 1)).collect(Collectors.toSet());
} catch (AmazonServiceException e) {
terminal.println("Failed to list indices");
throw e;
}
}
@Override
public Date getIndexTimestamp(String indexDirectoryName) {
/*
* There is shorter way to get modification timestamp of the index directory:
*
* S3Object index = client.getObject(bucket, fullPath("indices/" + indexDirectoryName + "/"));
* return index.getObjectMetadata().getLastModified();
*
* It also will work if the directory is empty.
* However, on Minio the code above returns some weird dates far in the past.
* So we use listing instead.
*/
final ListObjectsRequest listRequest = new ListObjectsRequest();
listRequest.setBucketName(bucket);
listRequest.setPrefix(fullPath("indices/" + indexDirectoryName + "/"));
listRequest.setMaxKeys(1);
ObjectListing listing = client.listObjects(listRequest);
List<S3ObjectSummary> summaries = listing.getObjectSummaries();
if (summaries.isEmpty()) {
terminal.println(Terminal.Verbosity.VERBOSE, "Failed to find single file in index "
+ indexDirectoryName + " directory. " + "Skipping");
return null;
} else {
S3ObjectSummary any = summaries.get(0);
return any.getLastModified();
}
}
private void deleteFiles(List<String> files) {
// AWS has a limit of 1K elements when performing batch remove,
// However, list call never spits out more than 1K elements, so there is no need to partition
terminal.println(Terminal.Verbosity.VERBOSE, "Batch removing the following files " + files);
client.deleteObjects(new DeleteObjectsRequest(bucket).withKeys(Strings.toStringArray(files)));
}
@Override
public Tuple<Integer, Long> deleteIndex(String indexDirectoryName) {
int removedFilesCount = 0;
long filesSize = 0L;
String prefix = fullPath("indices/" + indexDirectoryName);
ObjectListing listing = client.listObjects(bucket, prefix);
while (true) {
List<String> files = listing.getObjectSummaries().stream().map(S3ObjectSummary::getKey).collect(Collectors.toList());
deleteFiles(files);
removedFilesCount += files.size();
filesSize += listing.getObjectSummaries().stream().mapToLong(S3ObjectSummary::getSize).sum();
if (listing.isTruncated()) {
listing = client.listNextBatchOfObjects(listing);
} else {
return Tuple.tuple(removedFilesCount, filesSize);
}
}
}
}

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@ -0,0 +1,24 @@
/*
* Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
* or more contributor license agreements. Licensed under the Elastic License;
* you may not use this file except in compliance with the Elastic License.
*/
package org.elasticsearch.snapshots;
import org.elasticsearch.cli.CommandLoggingConfigurator;
import org.elasticsearch.cli.LoggingAwareMultiCommand;
import org.elasticsearch.cli.Terminal;
public class SnapshotToolCli extends LoggingAwareMultiCommand {
public SnapshotToolCli() {
super("Tool to work with repositories and snapshots");
CommandLoggingConfigurator.configureLoggingWithoutConfig();
subcommands.put("cleanup_s3", new CleanupS3RepositoryCommand());
}
public static void main(String[] args) throws Exception {
exit(new SnapshotToolCli().main(args, Terminal.DEFAULT));
}
}

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/*
* Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
* or more contributor license agreements. Licensed under the Elastic License;
* you may not use this file except in compliance with the Elastic License.
*/
package org.elasticsearch.snapshots;
import joptsimple.OptionSet;
import org.elasticsearch.ElasticsearchException;
import org.elasticsearch.action.admin.cluster.snapshots.create.CreateSnapshotResponse;
import org.elasticsearch.action.support.master.AcknowledgedResponse;
import org.elasticsearch.cli.MockTerminal;
import org.elasticsearch.cli.Terminal;
import org.elasticsearch.common.settings.MockSecureSettings;
import org.elasticsearch.common.settings.SecureSettings;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.plugins.Plugin;
import org.elasticsearch.repositories.RepositoriesService;
import org.elasticsearch.repositories.blobstore.BlobStoreRepository;
import org.elasticsearch.repositories.blobstore.BlobStoreTestUtil;
import org.elasticsearch.repositories.s3.S3RepositoryPlugin;
import org.elasticsearch.test.ESSingleNodeTestCase;
import org.elasticsearch.threadpool.ThreadPool;
import java.util.Collection;
import java.util.Collections;
import java.util.Map;
import java.util.Set;
import java.util.TreeMap;
import java.util.TreeSet;
import java.util.concurrent.TimeUnit;
import static org.hamcrest.Matchers.containsString;
import static org.hamcrest.Matchers.equalTo;
import static org.hamcrest.Matchers.greaterThan;
import static org.hamcrest.Matchers.not;
public class S3CleanupTests extends ESSingleNodeTestCase {
private BlobStoreRepository repository;
@Override
public void setUp() throws Exception {
super.setUp();
createRepository("test-repo");
repository = (BlobStoreRepository) getInstanceFromNode(RepositoriesService.class).repository("test-repo");
}
@Override
protected Settings nodeSettings() {
return Settings.builder()
.put(super.nodeSettings())
.setSecureSettings(credentials())
.build();
}
@Override
protected Collection<Class<? extends Plugin>> getPlugins() {
return pluginList(S3RepositoryPlugin.class);
}
private SecureSettings credentials() {
MockSecureSettings secureSettings = new MockSecureSettings();
secureSettings.setString("s3.client.default.access_key", getAccessKey());
secureSettings.setString("s3.client.default.secret_key", getSecretKey());
return secureSettings;
}
private void createRepository(String repoName) {
Settings.Builder settings = Settings.builder()
.put("bucket", getBucket())
.put("base_path", getBasePath())
.put("endpoint", getEndpoint());
AcknowledgedResponse putRepositoryResponse = client().admin().cluster()
.preparePutRepository(repoName)
.setType("s3")
.setSettings(settings).get();
assertThat(putRepositoryResponse.isAcknowledged(), equalTo(true));
}
private String getEndpoint() {
return System.getProperty("test.s3.endpoint");
}
private String getRegion() {
return "";
}
private String getBucket() {
return System.getProperty("test.s3.bucket");
}
private String getBasePath() {
return System.getProperty("test.s3.base");
}
private String getAccessKey() {
return System.getProperty("test.s3.account");
}
private String getSecretKey() {
return System.getProperty("test.s3.key");
}
private MockTerminal executeCommand(boolean abort) throws Exception {
return executeCommand(abort, Collections.emptyMap());
}
private MockTerminal executeCommand(boolean abort, Map<String, String> nonDefaultArguments) throws Exception {
final CleanupS3RepositoryCommand command = new CleanupS3RepositoryCommand();
final OptionSet options = command.getParser().parse(
"--safety_gap_millis", nonDefaultArguments.getOrDefault("safety_gap_millis", "0"),
"--parallelism", nonDefaultArguments.getOrDefault("parallelism", "10"),
"--endpoint", nonDefaultArguments.getOrDefault("endpoint", getEndpoint()),
"--region", nonDefaultArguments.getOrDefault("region", getRegion()),
"--bucket", nonDefaultArguments.getOrDefault("bucket", getBucket()),
"--base_path", nonDefaultArguments.getOrDefault("base_path", getBasePath()),
"--access_key", nonDefaultArguments.getOrDefault("access_key", getAccessKey()),
"--secret_key", nonDefaultArguments.getOrDefault("secret_key", getSecretKey()));
final MockTerminal terminal = new MockTerminal();
terminal.setVerbosity(Terminal.Verbosity.VERBOSE);
final String input;
if (abort) {
input = randomValueOtherThanMany(c -> c.equalsIgnoreCase("y"), () -> randomAlphaOfLength(1));
} else {
input = randomBoolean() ? "y" : "Y";
}
terminal.addTextInput(input);
try {
command.execute(terminal, options);
} catch (ElasticsearchException e) {
if (abort && e.getMessage().contains("Aborted by user")) {
return terminal;
} else {
throw e;
}
} finally {
logger.info("Cleanup command output:\n" + terminal.getOutput());
}
return terminal;
}
private void expectThrows(ThrowingRunnable runnable, String message) {
ElasticsearchException ex = expectThrows(ElasticsearchException.class, runnable);
assertThat(ex.getMessage(), containsString(message));
}
public void testNoRegionNoEndpoint() {
expectThrows(() ->
executeCommand(false, Map.of("region", "", "endpoint", "")),
"region or endpoint option is required for cleaning up S3 repository");
}
public void testRegionAndEndpointSpecified() {
expectThrows(() ->
executeCommand(false, Map.of("region", "test_region", "endpoint", "test_endpoint")),
"you must not specify both region and endpoint");
}
public void testNoBucket() {
expectThrows(() ->
executeCommand(false, Map.of("bucket", "")),
"bucket option is required for cleaning up S3 repository");
}
public void testNoAccessKey() {
expectThrows(() ->
executeCommand(false, Map.of("access_key", "")),
"access_key option is required for cleaning up S3 repository");
}
public void testNoSecretKey() {
expectThrows(() ->
executeCommand(false, Map.of("secret_key", "")),
"secret_key option is required for cleaning up S3 repository");
}
public void testNegativeSafetyGap() {
expectThrows(() ->
executeCommand(false, Map.of("safety_gap_millis", "-10")),
"safety_gap_millis should be non-negative");
}
public void testInvalidParallelism() {
expectThrows(() ->
executeCommand(false, Map.of("parallelism", "0")),
"parallelism should be at least 1");
}
public void testBasePathTrailingSlash() {
expectThrows(() ->
executeCommand(false, Map.of("base_path", getBasePath() + "/")),
"there should be not trailing slash in the base path");
}
public void testCleanupS3() throws Exception {
logger.info("--> execute cleanup tool on empty repo, there is nothing to cleanup");
MockTerminal terminal = executeCommand(false);
assertThat(terminal.getOutput(), containsString("No index-N files found. Repository is empty or corrupted? Exiting"));
createIndex("test-idx-1");
createIndex("test-idx-2");
createIndex("test-idx-3");
ensureGreen();
logger.info("--> indexing some data");
for (int i = 0; i < 100; i++) {
client().prepareIndex("test-idx-1", "doc", Integer.toString(i)).setSource("foo", "bar" + i).get();
client().prepareIndex("test-idx-2", "doc", Integer.toString(i)).setSource("foo", "bar" + i).get();
client().prepareIndex("test-idx-3", "doc", Integer.toString(i)).setSource("foo", "bar" + i).get();
}
client().admin().indices().prepareRefresh().get();
// We run multiple iterations of snapshot -> corrupt -> cleanup -> verify -> delete snapshot
// to make sure cleanup tool works correctly regardless of index.latest value
for (int i = 1; i <= randomIntBetween(1, 3); i++) {
logger.info("Iteration number {}", i);
logger.info("--> create first snapshot");
CreateSnapshotResponse createSnapshotResponse = client().admin()
.cluster()
.prepareCreateSnapshot("test-repo", "snap1")
.setWaitForCompletion(true)
.setIndices("test-idx-*", "-test-idx-3")
.get();
assertThat(createSnapshotResponse.getSnapshotInfo().successfulShards(), greaterThan(0));
assertThat(createSnapshotResponse.getSnapshotInfo().successfulShards(),
equalTo(createSnapshotResponse.getSnapshotInfo().totalShards()));
assertThat(client().admin()
.cluster()
.prepareGetSnapshots("test-repo")
.setSnapshots("snap1")
.get()
.getSnapshots("test-repo")
.get(0)
.state(),
equalTo(SnapshotState.SUCCESS));
logger.info("--> execute cleanup tool, there is nothing to cleanup");
terminal = executeCommand(false);
assertThat(terminal.getOutput(), containsString("Set of deletion candidates is empty. Exiting"));
logger.info("--> check that there is no inconsistencies after running the tool");
BlobStoreTestUtil.assertConsistency(repository, repository.threadPool().executor(ThreadPool.Names.GENERIC));
logger.info("--> create several dangling indices");
int numOfFiles = 0;
long size = 0L;
Map<String, Set<String>> indexToFiles = new TreeMap<>();
for (int j = 0; j < randomIntBetween(1, 5); j++) {
String name = randomValueOtherThanMany(n -> indexToFiles.containsKey(n), () -> randomAlphaOfLength(5));
Set<String> files = new TreeSet<>();
indexToFiles.put(name, files);
for (int k = 0; k < randomIntBetween(1, 5); k++) {
String file = randomValueOtherThanMany(f -> files.contains(f), () -> randomAlphaOfLength(6));
files.add(file);
numOfFiles++;
}
size += BlobStoreTestUtil.createDanglingIndex(repository, name, files);
}
Set<String> danglingIndices = indexToFiles.keySet();
logger.info("--> ensure dangling index folders are visible");
assertBusy(() -> BlobStoreTestUtil.assertCorruptionVisible(repository, indexToFiles), 10L, TimeUnit.MINUTES);
logger.info("--> execute cleanup tool, corruption is created latter than snapshot, there is nothing to cleanup");
terminal = executeCommand(false);
assertThat(terminal.getOutput(), containsString("Set of orphaned indices is empty. Exiting"));
logger.info("--> create second snapshot");
createSnapshotResponse = client().admin()
.cluster()
.prepareCreateSnapshot("test-repo", "snap2")
.setWaitForCompletion(true)
.setIndices("test-idx-*", "-test-idx-3")
.get();
assertThat(createSnapshotResponse.getSnapshotInfo().successfulShards(), greaterThan(0));
assertThat(createSnapshotResponse.getSnapshotInfo().successfulShards(),
equalTo(createSnapshotResponse.getSnapshotInfo().totalShards()));
logger.info("--> execute cleanup tool again and abort");
terminal = executeCommand(true);
assertThat(terminal.getOutput(),
containsString("Set of deletion candidates has " + danglingIndices.size() + " elements: " + danglingIndices));
assertThat(terminal.getOutput(),
containsString("Set of orphaned indices has " + danglingIndices.size() + " elements: " + danglingIndices));
assertThat(terminal.getOutput(), containsString("This action is NOT REVERSIBLE"));
for (String index : indexToFiles.keySet()) {
assertThat(terminal.getOutput(), not(containsString("Removing orphaned index " + index)));
}
logger.info("--> execute cleanup tool again and confirm, dangling indices should go");
terminal = executeCommand(false);
assertThat(terminal.getOutput(),
containsString("Set of deletion candidates has " + danglingIndices.size() + " elements: " + danglingIndices));
assertThat(terminal.getOutput(),
containsString("Set of orphaned indices has " + danglingIndices.size() + " elements: " + danglingIndices));
assertThat(terminal.getOutput(), containsString("This action is NOT REVERSIBLE"));
for (String index : indexToFiles.keySet()) {
assertThat(terminal.getOutput(), containsString("Removing orphaned index " + index));
for (String file : indexToFiles.get(index)) {
assertThat(terminal.getOutput(), containsString(index + "/" + file));
}
}
assertThat(terminal.getOutput(),
containsString("Total files removed: " + numOfFiles));
assertThat(terminal.getOutput(),
containsString("Total bytes freed: " + size));
logger.info("--> verify that there is no inconsistencies");
assertBusy(() -> BlobStoreTestUtil.assertConsistency(repository, repository.threadPool().executor(ThreadPool.Names.GENERIC)),
10L, TimeUnit.MINUTES);
logger.info("--> perform cleanup by removing snapshots");
assertTrue(client().admin()
.cluster()
.prepareDeleteSnapshot("test-repo", "snap1")
.get()
.isAcknowledged());
assertTrue(client().admin()
.cluster()
.prepareDeleteSnapshot("test-repo", "snap2")
.get()
.isAcknowledged());
}
}
}