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Create elasticsearch-cloud-azure project

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/data
/work
/logs
/.idea
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.DS_Store
*.iml
/.settings
/.project
/.classpath
*.vmoptions

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Contributing to elasticsearch
=============================
Elasticsearch is an open source project and we love to receive contributions from our community — you! There are many ways to contribute, from writing tutorials or blog posts, improving the documentation, submitting bug reports and feature requests or writing code which can be incorporated into Elasticsearch itself.
Bug reports
-----------
If you think you have found a bug in Elasticsearch, first make sure that you are testing against the [latest version of Elasticsearch](http://www.elasticsearch.org/download/) - your issue may already have been fixed. If not, search our [issues list](https://github.com/elasticsearch/elasticsearch/issues) on GitHub in case a similar issue has already been opened.
It is very helpful if you can prepare a reproduction of the bug. In other words, provide a small test case which we can run to confirm your bug. It makes it easier to find the problem and to fix it. Test cases should be provided as `curl` commands which we can copy and paste into a terminal to run it locally, for example:
```sh
# delete the index
curl -XDELETE localhost:9200/test
# insert a document
curl -XPUT localhost:9200/test/test/1 -d '{
"title": "test document"
}'
# this should return XXXX but instead returns YYY
curl ....
```
Provide as much information as you can. You may think that the problem lies with your query, when actually it depends on how your data is indexed. The easier it is for us to recreate your problem, the faster it is likely to be fixed.
Feature requests
----------------
If you find yourself wishing for a feature that doesn't exist in Elasticsearch, you are probably not alone. There are bound to be others out there with similar needs. Many of the features that Elasticsearch has today have been added because our users saw the need.
Open an issue on our [issues list](https://github.com/elasticsearch/elasticsearch/issues) on GitHub which describes the feature you would like to see, why you need it, and how it should work.
Contributing code and documentation changes
-------------------------------------------
If you have a bugfix or new feature that you would like to contribute to Elasticsearch, please find or open an issue about it first. Talk about what you would like to do. It may be that somebody is already working on it, or that there are particular issues that you should know about before implementing the change.
We enjoy working with contributors to get their code accepted. There are many approaches to fixing a problem and it is important to find the best approach before writing too much code.
The process for contributing to any of the [Elasticsearch repositories](https://github.com/elasticsearch/) is similar. Details for individual projects can be found below.
### Fork and clone the repository
You will need to fork the main Elasticsearch code or documentation repository and clone it to your local machine. See
[github help page](https://help.github.com/articles/fork-a-repo) for help.
Further instructions for specific projects are given below.
### Submitting your changes
Once your changes and tests are ready to submit for review:
1. Test your changes
Run the test suite to make sure that nothing is broken.
2. Sign the Contributor License Agreement
Please make sure you have signed our [Contributor License Agreement](http://www.elasticsearch.org/contributor-agreement/). We are not asking you to assign copyright to us, but to give us the right to distribute your code without restriction. We ask this of all contributors in order to assure our users of the origin and continuing existence of the code. You only need to sign the CLA once.
3. Rebase your changes
Update your local repository with the most recent code from the main Elasticsearch repository, and rebase your branch on top of the latest master branch. We prefer your changes to be squashed into a single commit.
4. Submit a pull request
Push your local changes to your forked copy of the repository and [submit a pull request](https://help.github.com/articles/using-pull-requests). In the pull request, describe what your changes do and mention the number of the issue where discussion has taken place, eg "Closes #123".
Then sit back and wait. There will probably be discussion about the pull request and, if any changes are needed, we would love to work with you to get your pull request merged into Elasticsearch.
Contributing to the Elasticsearch plugin
----------------------------------------
**Repository:** [https://github.com/elasticsearch/elasticsearch-cloud-azure](https://github.com/elasticsearch/elasticsearch-cloud-azure)
Make sure you have [Maven](http://maven.apache.org) installed, as Elasticsearch uses it as its build system. Integration with IntelliJ and Eclipse should work out of the box. Eclipse users can automatically configure their IDE by running `mvn eclipse:eclipse` and then importing the project into their workspace: `File > Import > Existing project into workspace`.
Please follow these formatting guidelines:
* Java indent is 4 spaces
* Line width is 140 characters
* The rest is left to Java coding standards
* Disable “auto-format on save” to prevent unnecessary format changes. This makes reviews much harder as it generates unnecessary formatting changes. If your IDE supports formatting only modified chunks that is fine to do.
To create a distribution from the source, simply run:
```sh
cd elasticsearch-cloud-azure/
mvn clean package -DskipTests
```
You will find the newly built packages under: `./target/releases/`.
Before submitting your changes, run the test suite to make sure that nothing is broken, with:
```sh
mvn clean test
```
Source: [Contributing to elasticsearch](http://www.elasticsearch.org/contributing-to-elasticsearch/)

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ElasticSearch
Copyright 2009-2013 ElasticSearch
This product includes software developed by The Apache Software
Foundation (http://www.apache.org/).

297
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@ -15,7 +15,7 @@ In order to install the plugin, simply run: `bin/plugin -install elasticsearch/e
Azure Virtual Machine Discovery
-------------------------------
===============================
Azure VM discovery allows to use the azure APIs to perform automatic discovery (similar to multicast in non hostile
multicast environments). Here is a simple sample configuration:
@ -31,28 +31,297 @@ multicast environments). Here is a simple sample configuration:
type: azure
```
How to start
------------
How to start (short story)
--------------------------
Short story:
* Create Azure instances
* Install Elasticsearch
* Install Azure plugin
* Modify `elasticsearch.yml` file
* Start Elasticsearch
* Create Azure instances
* Open 9300 port
* Install Elasticsearch
* Install Azure plugin
* Modify `elasticsearch.yml` file
* Start Elasticsearch
How to start (long story)
--------------------------
Long story:
We will expose here one strategy which is to hide our Elasticsearch cluster from outside.
With this strategy, only VM behind this same virtual port can talk to each other.
That means that with this mode, you can use elasticsearch unicast discovery to build a cluster.
Best, you can use the `elasticsearch-cloud-azure` plugin to let it fetch information about your nodes using
azure API.
### Prerequisites
Before starting, you need to have:
* A [Windows Azure account](http://www.windowsazure.com/)
* SSH keys and certificate
Here is a description on how to generate this using `openssl`:
```sh
# You may want to use another dir than /tmp
cd /tmp
openssl req -x509 -nodes -days 365 -newkey rsa:2048 -keyout azure-private.key -out azure-certificate.pem
chmod 600 azure-private.key
openssl x509 -outform der -in azure-certificate.pem -out azure-certificate.cer
```
See this [guide](http://www.windowsazure.com/en-us/manage/linux/how-to-guides/ssh-into-linux/) to have
more details on how to create keys for Azure.
Once done, you need to upload your certificate in Azure:
* Go to the [management console](https://account.windowsazure.com/).
* Sign in using your account.
* Click on `Portal`.
* Go to Settings (bottom of the left list)
* On the bottom bar, click on `Upload` and upload your `azure-certificate.cer` file.
You may want to use [Windows Azure Command-Line Tool](http://www.windowsazure.com/en-us/develop/nodejs/how-to-guides/command-line-tools/):
* Install [NodeJS](https://github.com/joyent/node/wiki/Installing-Node.js-via-package-manager), for example using
homebrew on MacOS X:
```sh
brew install node
```
* Install Azure tools:
```sh
sudo npm install azure-cli -g
```
* Download and import your azure settings:
```sh
# This will open a browser and will download a .publishsettings file
azure account download
# Import this file (we have downloaded it to /tmp)
# Note, it will create needed files in ~/.azure
azure account import /tmp/azure.publishsettings
```
### Creating your first instance
You need to have a storage account available. Check [Azure Blob Storage documentation](http://www.windowsazure.com/en-us/develop/net/how-to-guides/blob-storage/#create-account)
for more information.
You will need to choose the operating system you want to run on. To get a list of official available images, run:
```sh
azure vm list
```
Let's say we are going to deploy an Ubuntu image on an extra small instance in West Europe:
* Azure cluster name: `azure-elasticsearch-cluster`
* Image: `b39f27a8b8c64d52b05eac6a62ebad85__Ubuntu-13_10-amd64-server-20130808-alpha3-en-us-30GB`
* VM Name: `myesnode1`
* VM Size: `extrasmall`
* Location: `West Europe`
* Login: `elasticsearch`
Using command line:
```sh
azure vm create azure-elasticsearch-cluster \
b39f27a8b8c64d52b05eac6a62ebad85__Ubuntu-13_10-amd64-server-20130808-alpha3-en-us-30GB \
--vm-name myesnode1 \
--location "West Europe" \
--vm-size extrasmall \
--ssh 22 \
--ssh-cert /tmp/azure-certificate.pem \
elasticsearch password
```
You should see something like:
```
info: Executing command vm create
+ Looking up image
+ Looking up cloud service
+ Creating cloud service
+ Retrieving storage accounts
+ Configuring certificate
+ Creating VM
info: vm create command OK
```
Now, your first instance is started. You need to install Elasticsearch on it.
> **Note on SSH**
>
> You need to give the private key and username each time you log on your instance:
>
>```sh
>ssh -i ~/.ssh/azure-private.key elasticsearch@myescluster.cloudapp.net
>```
>
> But you can also define it once in `~/.ssh/config` file:
>
>```
>Host *.cloudapp.net
> User elasticsearch
> StrictHostKeyChecking no
> UserKnownHostsFile=/dev/null
> IdentityFile ~/.ssh/azure-private.key
>```
```sh
# First, copy your azure certificate on this machine
scp /tmp/azure.publishsettings azure-elasticsearch-cluster.cloudapp.net:/tmp
# Then, connect to your instance using SSH
ssh azure-elasticsearch-cluster.cloudapp.net
```
Once connected, install Elasticsearch:
```sh
# Install Latest JDK
sudo apt-get update
sudo apt-get install openjdk-7-jre-headless
# Download Elasticsearch
curl -s https://download.elasticsearch.org/elasticsearch/elasticsearch/elasticsearch-0.90.3.deb -o elasticsearch-0.90.3.deb
# Prepare Elasticsearch installation
sudo dpkg -i elasticsearch-0.90.3.deb
```
Check that elasticsearch is running:
```sh
curl http://localhost:9200/
```
This command should give you a JSON result:
```javascript
{
"ok" : true,
"status" : 200,
"name" : "Mandarin",
"version" : {
"number" : "0.90.3",
"build_hash" : "5c38d6076448b899d758f29443329571e2522410",
"build_timestamp" : "2013-08-06T13:18:31Z",
"build_snapshot" : false,
"lucene_version" : "4.4"
},
"tagline" : "You Know, for Search"
}
```
### Install nodejs and Azure tools
*TODO: check if there is a downloadable version of NodeJS*
```sh
# Install node (aka download and compile source)
sudo apt-get update
sudo apt-get install python-software-properties python g++ make
sudo add-apt-repository ppa:chris-lea/node.js
sudo apt-get update
sudo apt-get install nodejs
# Install Azure tools
sudo npm install azure-cli -g
# Install your azure certficate
azure account import /tmp/azure.publishsettings
# Remove tmp file
rm /tmp/azure.publishsettings
```
### Generate private keys for this instance
```sh
openssl req -x509 -nodes -days 365 -newkey rsa:2048 -keyout azure-private.key -out azure-certificate.pem
chmod 600 azure-private.key
openssl x509 -outform der -in azure-certificate.pem -out azure-certificate.cer
# Transform private key to PEM format
openssl pkcs8 -topk8 -nocrypt -in azure-private.key -inform PEM -out azure-pk.pem -outform PEM
# Transform certificate to PEM format
openssl x509 -inform der -in azure-certificate.cer -out azure-cert.pem
```
Upload the generated key to Azure platform
```sh
azure service cert create azure-elasticsearch-cluster azure-certificate.cer
```
### Install elasticsearch cloud azure plugin
```sh
# Stop elasticsearch
sudo service elasticsearch stop
# Install the plugin (TODO : USE THE RIGHT VERSION NUMBER)
sudo /usr/share/elasticsearch/bin/plugin -install elasticsearch/elasticsearch-cloud-azure/0.1.0-SNAPSHOT
# Configure it
sudo vi /etc/elasticsearch/elasticsearch.yml
```
And add the following lines:
```yaml
# If you don't remember your account id, you may get it with `azure account list`
cloud:
azure:
private_key: /home/elasticsearch/azure-pk.pem
certificate: /home/elasticsearch/azure-cert.pem
subscription_id: your_azure_subscription_id
discovery:
type: azure
```
Restart elasticsearch:
```sh
sudo service elasticsearch start
```
If anything goes wrong, check your logs in `/var/log/elasticsearch`.
TODO: Ask pierre for Azure commands
Cloning your existing machine:
```sh
azure ....
```
Add a new machine:
```sh
azure vm create -c myescluster --vm-name myesnode2 b39f27a8b8c64d52b05eac6a62ebad85__Ubuntu-13_04-amd64-server-20130501-en-us-30GB -l "West Europe" --vm-size extrasmall --ssh 22 elasticsearch fantastic0!
```
Add you certificate for this new instance.
```sh
# Add certificate for this instance
azure service cert create myescluster1 azure-certificate.cer
```
See [tutorial](http://www.elasticsearch.org/tutorials/2013/04/02/elasticsearch-on-azure/).
License
-------
This software is licensed under the Apache 2 license, quoted below.
This software is licensed under the Apache 2 license, quoted below.
Copyright 2009-2012 Shay Banon and ElasticSearch <http://www.elasticsearch.org>
Copyright 2009-2013 ElasticSearch <http://www.elasticsearch.org>
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

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<?xml version="1.0" encoding="UTF-8"?>
<!-- Licensed to ElasticSearch under one or more contributor
license agreements. See the NOTICE file distributed with this work for additional
information regarding copyright ownership. ElasticSearch licenses this file to you
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. -->
<project xmlns="http://maven.apache.org/POM/4.0.0"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<name>elasticsearch-cloud-azure</name>
<modelVersion>4.0.0</modelVersion>
<groupId>org.elasticsearch</groupId>
<artifactId>elasticsearch-cloud-azure</artifactId>
<version>0.1.0-SNAPSHOT</version>
<packaging>jar</packaging>
<description>Azure Cloud plugin for ElasticSearch</description>
<inceptionYear>2013</inceptionYear>
<licenses>
<license>
<name>The Apache Software License, Version 2.0</name>
<url>http://www.apache.org/licenses/LICENSE-2.0.txt</url>
<distribution>repo</distribution>
</license>
</licenses>
<scm>
<connection>scm:git:git@github.com:elasticsearch/elasticsearch-cloud-azure.git</connection>
<developerConnection>scm:git:git@github.com:elasticsearch/elasticsearch-cloud-azure.git
</developerConnection>
<url>http://github.com/elasticsearch/elasticsearch-cloud-azure</url>
</scm>
<parent>
<groupId>org.sonatype.oss</groupId>
<artifactId>oss-parent</artifactId>
<version>7</version>
</parent>
<properties>
<elasticsearch.version>0.90.3</elasticsearch.version>
<jclouds.version>1.5.7</jclouds.version>
</properties>
<dependencies>
<dependency>
<groupId>org.elasticsearch</groupId>
<artifactId>elasticsearch</artifactId>
<version>${elasticsearch.version}</version>
</dependency>
<dependency>
<groupId>org.jclouds</groupId>
<artifactId>jclouds-compute</artifactId>
<version>${jclouds.version}</version>
</dependency>
<dependency>
<groupId>org.jclouds.labs</groupId>
<artifactId>azure-management</artifactId>
<version>${jclouds.version}</version>
</dependency>
<dependency>
<groupId>log4j</groupId>
<artifactId>log4j</artifactId>
<version>1.2.17</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>4.11</version>
<scope>test</scope>
</dependency>
</dependencies>
<build>
<resources>
<resource>
<directory>src/main/resources</directory>
<filtering>true</filtering>
</resource>
</resources>
<testResources>
<testResource>
<directory>src/test/resources</directory>
<filtering>true</filtering>
</testResource>
</testResources>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<version>3.0</version>
<configuration>
<source>1.6</source>
<target>1.6</target>
</configuration>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-surefire-plugin</artifactId>
<version>2.13</version>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-source-plugin</artifactId>
<version>2.2.1</version>
<executions>
<execution>
<id>attach-sources</id>
<goals>
<goal>jar</goal>
</goals>
</execution>
</executions>
</plugin>
<plugin>
<artifactId>maven-assembly-plugin</artifactId>
<version>2.4</version>
<configuration>
<appendAssemblyId>false</appendAssemblyId>
<outputDirectory>${project.build.directory}/releases/</outputDirectory>
<descriptors>
<descriptor>${basedir}/src/main/assemblies/plugin.xml</descriptor>
</descriptors>
</configuration>
<executions>
<execution>
<phase>package</phase>
<goals>
<goal>single</goal>
</goals>
</execution>
</executions>
</plugin>
</plugins>
</build>
</project>

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<?xml version="1.0"?>
<!-- Licensed to ElasticSearch under one or more contributor
license agreements. See the NOTICE file distributed with this work for additional
information regarding copyright ownership. ElasticSearch licenses this file to you
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. -->
<assembly>
<id>plugin</id>
<formats>
<format>zip</format>
</formats>
<includeBaseDirectory>false</includeBaseDirectory>
<dependencySets>
<dependencySet>
<outputDirectory>/</outputDirectory>
<useProjectArtifact>true</useProjectArtifact>
<useTransitiveFiltering>true</useTransitiveFiltering>
<excludes>
<exclude>org.elasticsearch:elasticsearch</exclude>
</excludes>
</dependencySet>
<dependencySet>
<outputDirectory>/</outputDirectory>
<useProjectArtifact>true</useProjectArtifact>
<useTransitiveFiltering>true</useTransitiveFiltering>
<includes>
<include>org.jclouds:jclouds-compute</include>
<include>org.jclouds.labs:azure-management</include>
</includes>
</dependencySet>
</dependencySets>
</assembly>

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/*
* Licensed to ElasticSearch under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. ElasticSearch licenses this
* file to you 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.
*/
package org.elasticsearch.cloud.azure;
import com.google.common.collect.ImmutableSet;
import com.google.inject.Module;
import org.elasticsearch.ElasticSearchException;
import org.elasticsearch.Version;
import org.elasticsearch.cluster.node.DiscoveryNode;
import org.elasticsearch.common.Strings;
import org.elasticsearch.common.collect.Lists;
import org.elasticsearch.common.component.AbstractLifecycleComponent;
import org.elasticsearch.common.inject.Inject;
import org.elasticsearch.common.network.NetworkService;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.common.settings.SettingsFilter;
import org.elasticsearch.common.transport.TransportAddress;
import org.elasticsearch.discovery.zen.ping.unicast.UnicastZenPing;
import org.elasticsearch.transport.TransportService;
import org.jclouds.Constants;
import org.jclouds.ContextBuilder;
import org.jclouds.azure.management.AzureManagementApi;
import org.jclouds.azure.management.AzureManagementApiMetadata;
import org.jclouds.azure.management.AzureManagementAsyncApi;
import org.jclouds.azure.management.config.AzureManagementProperties;
import org.jclouds.azure.management.domain.Deployment;
import org.jclouds.azure.management.domain.HostedServiceWithDetailedProperties;
import org.jclouds.logging.LoggingModules;
import org.jclouds.rest.RestContext;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.net.InetAddress;
import java.util.List;
import java.util.Properties;
import java.util.Scanner;
import java.util.Set;
import static org.elasticsearch.common.Strings.cleanPath;
/**
*
*/
public class AzureComputeService extends AbstractLifecycleComponent<AzureComputeService> {
static final class Fields {
private static final String ENDPOINT = "https://management.core.windows.net/";
private static final String VERSION = "2012-08-01";
private static final String SUBSCRIPTION_ID = "subscription_id";
private static final String PASSWORD = "password";
private static final String CERTIFICATE = "certificate";
private static final String PRIVATE_KEY = "private_key";
}
private List<DiscoveryNode> discoNodes;
private TransportService transportService;
private NetworkService networkService;
@Inject
public AzureComputeService(Settings settings, SettingsFilter settingsFilter, TransportService transportService,
NetworkService networkService) {
super(settings);
settingsFilter.addFilter(new AzureSettingsFilter());
this.transportService = transportService;
this.networkService = networkService;
}
/**
* We build the list of Nodes from Azure Management API
* @param client Azure Client
*/
private List<DiscoveryNode> buildNodes(RestContext<AzureManagementApi, AzureManagementAsyncApi> client) {
List<DiscoveryNode> discoNodes = Lists.newArrayList();
String ipAddress = null;
try {
InetAddress inetAddress = networkService.resolvePublishHostAddress(null);
if (inetAddress != null) {
ipAddress = inetAddress.getHostAddress();
}
} catch (IOException e) {
// We can't find the publish host address... Hmmm. Too bad :-(
}
Set<HostedServiceWithDetailedProperties> response = client.getApi().getHostedServiceApi().list();
for (HostedServiceWithDetailedProperties hostedService : response) {
// Ask Azure for each IP address
Deployment deployment = client.getApi().getHostedServiceApi().getDeployment(hostedService.getName(), hostedService.getName());
if (deployment != null) {
try {
if (deployment.getPrivateIpAddress().equals(ipAddress) ||
deployment.getPublicIpAddress().equals(ipAddress)) {
// We found the current node.
// We can ignore it in the list of DiscoveryNode
// We can now set the public Address as the publish address (if not already set)
String publishHost = settings.get("transport.publish_host", settings.get("transport.host"));
if (!Strings.hasText(publishHost) || !deployment.getPublicIpAddress().equals(publishHost)) {
logger.info("you should define publish_host with {}", deployment.getPublicIpAddress());
}
} else {
TransportAddress[] addresses = transportService.addressesFromString(deployment.getPublicIpAddress());
// we only limit to 1 addresses, makes no sense to ping 100 ports
for (int i = 0; (i < addresses.length && i < UnicastZenPing.LIMIT_PORTS_COUNT); i++) {
logger.trace("adding {}, address {}, transport_address {}", hostedService.getName(), deployment.getPublicIpAddress(), addresses[i]);
discoNodes.add(new DiscoveryNode("#cloud-" + hostedService.getName() + "-" + i, addresses[i], Version.CURRENT));
}
}
} catch (Exception e) {
logger.warn("failed to add {}, address {}", e, hostedService.getName(), deployment.getPublicIpAddress());
}
} else {
logger.trace("ignoring {}", hostedService.getName());
}
}
return discoNodes;
}
public synchronized List<DiscoveryNode> nodes() {
if (this.discoNodes != null) {
return this.discoNodes;
}
String PK8_PATH = componentSettings.get(Fields.PRIVATE_KEY, settings.get("cloud." + Fields.PRIVATE_KEY));
String CERTIFICATE_PATH = componentSettings.get(Fields.CERTIFICATE, settings.get("cloud." + Fields.CERTIFICATE));
String PASSWORD = componentSettings.get(Fields.PASSWORD, settings.get("cloud" + Fields.PASSWORD, ""));
String SUBSCRIPTION_ID = componentSettings.get(Fields.SUBSCRIPTION_ID, settings.get("cloud." + Fields.SUBSCRIPTION_ID));
// Check that we have all needed properties
if (!checkProperty(Fields.SUBSCRIPTION_ID, SUBSCRIPTION_ID)) return null;
if (!checkProperty(Fields.CERTIFICATE, CERTIFICATE_PATH)) return null;
if (!checkProperty(Fields.PRIVATE_KEY, PK8_PATH)) return null;
// Reading files from local disk
String pk8 = readFromFile(cleanPath(PK8_PATH));
String cert = readFromFile(cleanPath(CERTIFICATE_PATH));
// Check file content
if (!checkProperty(Fields.CERTIFICATE, cert)) return null;
if (!checkProperty(Fields.PRIVATE_KEY, pk8)) return null;
String IDENTITY = pk8 + cert;
// We set properties used to create an Azure client
Properties overrides = new Properties();
overrides.setProperty(Constants.PROPERTY_TRUST_ALL_CERTS, "true");
overrides.setProperty(Constants.PROPERTY_RELAX_HOSTNAME, "true");
overrides.setProperty("azure-management.identity", IDENTITY);
overrides.setProperty("azure-management.credential", PASSWORD);
overrides.setProperty("azure-management.endpoint", Fields.ENDPOINT + SUBSCRIPTION_ID);
overrides.setProperty("azure-management.api-version", Fields.VERSION);
overrides.setProperty("azure-management.build-version", "");
overrides.setProperty(AzureManagementProperties.SUBSCRIPTION_ID, SUBSCRIPTION_ID);
RestContext<AzureManagementApi, AzureManagementAsyncApi> client = null;
try {
client = ContextBuilder.newBuilder("azure-management")
.modules(ImmutableSet.<Module>of(LoggingModules.firstOrJDKLoggingModule()))
.overrides(overrides)
.build(AzureManagementApiMetadata.CONTEXT_TOKEN);
logger.debug("starting Azure discovery service for [{}]", SUBSCRIPTION_ID);
this.discoNodes = buildNodes(client);
} catch (Throwable t) {
logger.warn("error while trying to find nodes for azure service [{}]: {}", SUBSCRIPTION_ID, t.getMessage());
logger.debug("error found is: ", t);
// We create an empty list in that specific case.
// So discovery process won't fail with NPE but this node won't join any cluster
this.discoNodes = Lists.newArrayList();
} finally {
if (client != null) client.close();
}
logger.debug("using dynamic discovery nodes {}", discoNodes);
return this.discoNodes;
}
@Override
protected void doStart() throws ElasticSearchException {
}
@Override
protected void doStop() throws ElasticSearchException {
}
@Override
protected void doClose() throws ElasticSearchException {
}
private String readFromFile(String path) {
try {
logger.trace("reading file content from [{}]", path);
StringBuilder text = new StringBuilder();
String NL = System.getProperty("line.separator");
Scanner scanner = new Scanner(new FileInputStream(path), "UTF-8");
try {
while (scanner.hasNextLine()){
text.append(scanner.nextLine() + NL);
}
return text.toString();
}
finally{
scanner.close();
}
} catch (FileNotFoundException e) {
logger.trace("file does not exist [{}]", path);
}
return null;
}
private boolean checkProperty(String name, String value) {
if (!Strings.hasText(value)) {
logger.warn("cloud.azure.{} is not set. Disabling azure discovery.", name);
return false;
}
return true;
}
}

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src/main/java/org/elasticsearch/cloud/azure/AzureModule.java Normal file
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/*
* Licensed to ElasticSearch under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. ElasticSearch licenses this
* file to you 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.
*/
package org.elasticsearch.cloud.azure;
import org.elasticsearch.common.inject.AbstractModule;
/**
*
*/
public class AzureModule extends AbstractModule {
@Override
protected void configure() {
bind(AzureComputeService.class).asEagerSingleton();
}
}

37
src/main/java/org/elasticsearch/cloud/azure/AzureSettingsFilter.java Normal file
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/*
* Licensed to ElasticSearch under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. ElasticSearch licenses this
* file to you 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.
*/
package org.elasticsearch.cloud.azure;
import org.elasticsearch.common.settings.ImmutableSettings;
import org.elasticsearch.common.settings.SettingsFilter;
/**
*
*/
public class AzureSettingsFilter implements SettingsFilter.Filter {
@Override
public void filter(ImmutableSettings.Builder settings) {
settings.remove("cloud.private_key");
settings.remove("cloud.certificate");
settings.remove("cloud.azure.password");
settings.remove("cloud.azure.subscription_id");
}
}

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/*
* Licensed to ElasticSearch under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. ElasticSearch licenses this
* file to you 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.
*/
package org.elasticsearch.discovery.azure;
import org.elasticsearch.Version;
import org.elasticsearch.cloud.azure.AzureComputeService;
import org.elasticsearch.cluster.ClusterName;
import org.elasticsearch.cluster.ClusterService;
import org.elasticsearch.cluster.node.DiscoveryNodeService;
import org.elasticsearch.common.collect.ImmutableList;
import org.elasticsearch.common.inject.Inject;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.discovery.zen.ZenDiscovery;
import org.elasticsearch.discovery.zen.ping.ZenPing;
import org.elasticsearch.discovery.zen.ping.ZenPingService;
import org.elasticsearch.discovery.zen.ping.unicast.UnicastZenPing;
import org.elasticsearch.node.settings.NodeSettingsService;
import org.elasticsearch.threadpool.ThreadPool;
import org.elasticsearch.transport.TransportService;
/**
*
*/
public class AzureDiscovery extends ZenDiscovery {
@Inject
public AzureDiscovery(Settings settings, ClusterName clusterName, ThreadPool threadPool, TransportService transportService,
ClusterService clusterService, NodeSettingsService nodeSettingsService, ZenPingService pingService,
DiscoveryNodeService discoveryNodeService, AzureComputeService azureService) {
super(settings, clusterName, threadPool, transportService, clusterService, nodeSettingsService, discoveryNodeService, pingService, Version.CURRENT);
if (settings.getAsBoolean("cloud.enabled", true)) {
ImmutableList<? extends ZenPing> zenPings = pingService.zenPings();
UnicastZenPing unicastZenPing = null;
for (ZenPing zenPing : zenPings) {
if (zenPing instanceof UnicastZenPing) {
unicastZenPing = (UnicastZenPing) zenPing;
break;
}
}
if (unicastZenPing != null) {
// update the unicast zen ping to add cloud hosts provider
// and, while we are at it, use only it and not the multicast for example
unicastZenPing.addHostsProvider(new AzureUnicastHostsProvider(settings, azureService.nodes()));
pingService.zenPings(ImmutableList.of(unicastZenPing));
} else {
logger.warn("failed to apply azure unicast discovery, no unicast ping found");
}
}
}
}

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/*
* Licensed to ElasticSearch under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. ElasticSearch licenses this
* file to you 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.
*/
package org.elasticsearch.discovery.azure;
import org.elasticsearch.discovery.Discovery;
import org.elasticsearch.discovery.zen.ZenDiscoveryModule;
/**
*
*/
public class AzureDiscoveryModule extends ZenDiscoveryModule {
@Override
protected void bindDiscovery() {
bind(Discovery.class).to(AzureDiscovery.class).asEagerSingleton();
}
}

47
src/main/java/org/elasticsearch/discovery/azure/AzureUnicastHostsProvider.java Normal file
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/*
* Licensed to ElasticSearch under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. ElasticSearch licenses this
* file to you 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.
*/
package org.elasticsearch.discovery.azure;
import org.elasticsearch.cluster.node.DiscoveryNode;
import org.elasticsearch.common.component.AbstractComponent;
import org.elasticsearch.common.inject.Inject;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.discovery.zen.ping.unicast.UnicastHostsProvider;
import java.util.List;
/**
*
*/
public class AzureUnicastHostsProvider extends AbstractComponent implements UnicastHostsProvider {
private final List<DiscoveryNode> discoNodes;
@Inject
public AzureUnicastHostsProvider(Settings settings, List<DiscoveryNode> discoNodes) {
super(settings);
this.discoNodes = discoNodes;
}
@Override
public List<DiscoveryNode> buildDynamicNodes() {
return discoNodes;
}
}

71
src/main/java/org/elasticsearch/plugin/cloud/azure/CloudAzurePlugin.java Normal file
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/*
* Licensed to ElasticSearch under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. ElasticSearch licenses this
* file to you 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.
*/
package org.elasticsearch.plugin.cloud.azure;
import org.elasticsearch.cloud.azure.AzureComputeService;
import org.elasticsearch.cloud.azure.AzureModule;
import org.elasticsearch.common.collect.Lists;
import org.elasticsearch.common.component.LifecycleComponent;
import org.elasticsearch.common.inject.Module;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.plugins.AbstractPlugin;
import java.util.Collection;
/**
*
*/
public class CloudAzurePlugin extends AbstractPlugin {
private final Settings settings;
public CloudAzurePlugin(Settings settings) {
this.settings = settings;
}
@Override
public String name() {
return "cloud-azure";
}
@Override
public String description() {
return "Cloud Azure Plugin";
}
@Override
public Collection<Class<? extends Module>> modules() {
Collection<Class<? extends Module>> modules = Lists.newArrayList();
if (settings.getAsBoolean("cloud.enabled", true)) {
modules.add(AzureModule.class);
}
return modules;
}
@Override
public Collection<Class<? extends LifecycleComponent>> services() {
Collection<Class<? extends LifecycleComponent>> services = Lists.newArrayList();
if (settings.getAsBoolean("cloud.enabled", true)) {
services.add(AzureComputeService.class);
}
return services;
}
}

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# Licensed to ElasticSearch under one or more contributor
# license agreements. See the NOTICE file distributed with this work for additional
# information regarding copyright ownership. ElasticSearch licenses this file to you
# 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.
plugin=org.elasticsearch.plugin.cloud.azure.CloudAzurePlugin
version=${project.version}

58
src/test/java/AzureSimpleTest.java Normal file
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/*
* Licensed to ElasticSearch under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. ElasticSearch licenses this
* file to you 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.
*/
import org.elasticsearch.common.io.FileSystemUtils;
import org.elasticsearch.common.settings.ImmutableSettings;
import org.elasticsearch.node.Node;
import org.elasticsearch.node.NodeBuilder;
import org.junit.Test;
import java.io.File;
/**
* To run this *test*, you need first to modify test/resources dir:
* - elasticsearch.yml: set your azure password and azure subscription_id
* - azure.crt: fill this file with your azure certificate (PEM format)
* - azure.pk: fill this file with your azure private key (PEM format)
*/
public class AzureSimpleTest {
@Test
public void launchNode() {
File dataDir = new File("./target/es/data");
if(dataDir.exists()) {
FileSystemUtils.deleteRecursively(dataDir, true);
}
// Then we start our node for tests
Node node = NodeBuilder
.nodeBuilder()
.settings(
ImmutableSettings.settingsBuilder()
.put("gateway.type", "local")
.put("path.data", "./target/es/data")
.put("path.logs", "./target/es/logs")
.put("path.work", "./target/es/work")
).node();
// We wait now for the yellow (or green) status
// node.client().admin().cluster().prepareHealth().setWaitForYellowStatus().execute().actionGet();
}
}

3
src/test/resources/azure.crt Normal file
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-----BEGIN CERTIFICATE-----
YOUR-CERTIFICATE-HERE
-----END CERTIFICATE-----

3
src/test/resources/azure.pk Normal file
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-----BEGIN PRIVATE KEY-----
YOUR-PK-HERE
-----END PRIVATE KEY-----

29
src/test/resources/elasticsearch.yml Normal file
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# Licensed to ElasticSearch under one or more contributor
# license agreements. See the NOTICE file distributed with this work for additional
# information regarding copyright ownership. ElasticSearch licenses this file to you
# 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.
cluster.name: azure
# Azure discovery allows to use Azure API in order to perform discovery.
#
# You have to install the cloud-azure plugin for enabling the Azure discovery.
#
# See <http://elasticsearch.org/guide/reference/modules/discovery/azure.html>
# for more information.
#
# See <http://elasticsearch.org/tutorials/2013/04/02/elasticsearch-on-azure.html>
# for a step-by-step tutorial.
cloud:
azure:
private_key: ${project.build.testOutputDirectory}/azure.pk
certificate: ${project.build.testOutputDirectory}/azure.crt
password: YOUR-PASSWORD
subscription_id: YOUR-AZURE-SUBSCRIPTION-ID
discovery:
type: azure

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<?xml version="1.0" encoding="UTF-8" ?>
<!-- Licensed to ElasticSearch under one or more contributor
license agreements. See the NOTICE file distributed with this work for additional
information regarding copyright ownership. ElasticSearch licenses this file to you
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. -->
<!DOCTYPE log4j:configuration SYSTEM "log4j.dtd">
<log4j:configuration xmlns:log4j="http://jakarta.apache.org/log4j/">
<appender name="console" class="org.apache.log4j.ConsoleAppender">
<param name="Target" value="System.out" />
<layout class="org.apache.log4j.PatternLayout">
<param name="ConversionPattern" value="%d %-5p - %m%n" />
</layout>
</appender>
<logger name="org.elasticsearch">
<level value="info" />
</logger>
<logger name="org.elasticsearch.cloud">
<level value="trace" />
</logger>
<logger name="org.elasticsearch.discovery">
<level value="trace" />
</logger>
<root>
<priority value="trace" />
<appender-ref ref="console" />
</root>
</log4j:configuration>