HDFS-12123. Ozone: OzoneClient: Abstraction of OzoneClient and default implementation. Contributed by Nandakumar.

This commit is contained in:
Anu Engineer 2017-07-14 15:28:50 -07:00 committed by Owen O'Malley
parent 3d430a6076
commit ab3d510c1d
9 changed files with 1359 additions and 205 deletions

View File

@ -0,0 +1,117 @@
/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF 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.apache.hadoop.ozone;
import org.apache.hadoop.fs.StorageType;
import org.apache.hadoop.ksm.helpers.KsmBucketInfo;
import org.apache.hadoop.ozone.OzoneConsts.Versioning;
import java.util.List;
/**
* A class that encapsulates OzoneBucket.
*/
public class OzoneBucket {
/**
* Name of the volume in which the bucket belongs to.
*/
private final String volumeName;
/**
* Name of the bucket.
*/
private final String bucketName;
/**
* Bucket ACLs.
*/
private final List<OzoneAcl> acls;
/**
* Type of storage to be used for this bucket.
* [RAM_DISK, SSD, DISK, ARCHIVE]
*/
private final StorageType storageType;
/**
* Bucket Version flag.
*/
private final Versioning versioning;
/**
* Constructs OzoneBucket from KsmBucketInfo.
*
* @param ksmBucketInfo
*/
public OzoneBucket(KsmBucketInfo ksmBucketInfo) {
this.volumeName = ksmBucketInfo.getVolumeName();
this.bucketName = ksmBucketInfo.getBucketName();
this.acls = ksmBucketInfo.getAcls();
this.storageType = ksmBucketInfo.getStorageType();
this.versioning = ksmBucketInfo.getIsVersionEnabled() ?
Versioning.ENABLED : Versioning.DISABLED;
}
/**
* Returns Volume Name.
*
* @return volumeName
*/
public String getVolumeName() {
return volumeName;
}
/**
* Returns Bucket Name.
*
* @return bucketName
*/
public String getBucketName() {
return bucketName;
}
/**
* Returns ACL's associated with the Bucket.
*
* @return acls
*/
public List<OzoneAcl> getAcls() {
return acls;
}
/**
* Returns StorageType of the Bucket.
*
* @return storageType
*/
public StorageType getStorageType() {
return storageType;
}
/**
* Returns Versioning associated with the Bucket.
*
* @return versioning
*/
public Versioning getVersioning() {
return versioning;
}
}

View File

@ -17,234 +17,398 @@
package org.apache.hadoop.ozone;
import com.google.common.base.Preconditions;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.StorageType;
import org.apache.hadoop.hdfs.server.datanode.ObjectStoreHandler;
import org.apache.hadoop.ozone.ksm.KSMConfigKeys;
import org.apache.hadoop.ozone.web.exceptions.OzoneException;
import org.apache.hadoop.ozone.web.handlers.BucketArgs;
import org.apache.hadoop.ozone.web.handlers.KeyArgs;
import org.apache.hadoop.ozone.web.handlers.UserArgs;
import org.apache.hadoop.ozone.web.handlers.VolumeArgs;
import org.apache.hadoop.ozone.web.interfaces.StorageHandler;
import org.apache.hadoop.ozone.web.utils.OzoneUtils;
import org.apache.hadoop.security.UserGroupInformation;
import org.apache.hadoop.ozone.OzoneConsts.Versioning;
import org.apache.hadoop.ozone.io.OzoneInputStream;
import org.apache.hadoop.ozone.io.OzoneOutputStream;
import java.io.Closeable;
import java.io.IOException;
import java.io.OutputStream;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Iterator;
import java.util.List;
/**
* OzoneClient can connect to a Ozone Object Store and
* perform basic operations. It uses StorageHandler to
* connect to KSM.
/**
* OzoneClient can connect to a Ozone Cluster and
* perform basic operations.
*/
public class OzoneClient implements Closeable {
private final StorageHandler storageHandler;
private final UserGroupInformation ugi;
private final String hostName;
private final OzoneAcl.OzoneACLRights userAclRights;
public OzoneClient() throws IOException {
this(new OzoneConfiguration());
}
/**
* Creates OzoneClient object with the given configuration.
* @param conf
* @throws IOException
*/
public OzoneClient(Configuration conf) throws IOException {
this.storageHandler = new ObjectStoreHandler(conf).getStorageHandler();
this.ugi = UserGroupInformation.getCurrentUser();
this.hostName = OzoneUtils.getHostName();
this.userAclRights = conf.getEnum(KSMConfigKeys.OZONE_KSM_USER_RIGHTS,
KSMConfigKeys.OZONE_KSM_USER_RIGHTS_DEFAULT);
}
public interface OzoneClient {
/**
* Creates a new Volume.
*
* @param volumeName Name of the Volume
*
* @throws IOException
* @throws OzoneException
*/
public void createVolume(String volumeName)
throws IOException, OzoneException {
createVolume(volumeName, ugi.getUserName());
}
void createVolume(String volumeName)
throws IOException;
/**
* Creates a new Volume.
* Creates a new Volume, with owner set.
*
* @param volumeName Name of the Volume
* @param owner Owner to be set for Volume
*
* @throws IOException
* @throws OzoneException
*/
public void createVolume(String volumeName, String owner)
throws IOException, OzoneException {
createVolume(volumeName, owner, null);
}
void createVolume(String volumeName, String owner)
throws IOException;
/**
* Creates a new Volume.
* Creates a new Volume, with owner and quota set.
*
* @param volumeName Name of the Volume
* @param owner Owner to be set for Volume
* @param acls ACLs to be added to the Volume
*
* @throws IOException
*/
void createVolume(String volumeName, String owner,
OzoneAcl... acls)
throws IOException;
/**
* Creates a new Volume, with owner and quota set.
*
* @param volumeName Name of the Volume
* @param owner Owner to be set for Volume
* @param quota Volume Quota
*
* @throws IOException
* @throws OzoneException
*/
public void createVolume(String volumeName, String owner, String quota)
throws IOException, OzoneException {
Preconditions.checkNotNull(volumeName);
Preconditions.checkNotNull(owner);
OzoneUtils.verifyResourceName(volumeName);
void createVolume(String volumeName, String owner,
long quota)
throws IOException;
String requestId = OzoneUtils.getRequestID();
//since we are reusing UserArgs which is used for REST call
// request, info, headers are null.
UserArgs userArgs = new UserArgs(owner, requestId, hostName,
null, null, null);
userArgs.setGroups(ugi.getGroupNames());
/**
* Creates a new Volume, with owner and quota set.
*
* @param volumeName Name of the Volume
* @param owner Owner to be set for Volume
* @param quota Volume Quota
* @param acls ACLs to be added to the Volume
*
* @throws IOException
*/
void createVolume(String volumeName, String owner,
long quota, OzoneAcl... acls)
throws IOException;
VolumeArgs volumeArgs = new VolumeArgs(volumeName, userArgs);
//current user is set as admin for this volume
volumeArgs.setAdminName(ugi.getUserName());
if (quota != null) {
volumeArgs.setQuota(quota);
}
storageHandler.createVolume(volumeArgs);
}
/**
* Sets the owner of the volume.
*
* @param volumeName Name of the Volume
* @param owner to be set for the Volume
*
* @throws IOException
*/
void setVolumeOwner(String volumeName, String owner) throws IOException;
/**
* Set Volume Quota.
*
* @param volumeName Name of the Volume
* @param quota Quota to be set for the Volume
*
* @throws IOException
*/
void setVolumeQuota(String volumeName, long quota)
throws IOException;
/**
* Returns {@link OzoneVolume}.
*
* @param volumeName Name of the Volume
*
* @return KsmVolumeArgs
*
* @throws OzoneVolume
* */
OzoneVolume getVolumeDetails(String volumeName)
throws IOException;
/**
* Checks if a Volume exists and the user with a role specified has access
* to the Volume.
*
* @param volumeName Name of the Volume
* @param acl requested acls which needs to be checked for access
*
* @return Boolean - True if the user with a role can access the volume.
* This is possible for owners of the volume and admin users
*
* @throws IOException
*/
boolean checkVolumeAccess(String volumeName, OzoneAcl acl)
throws IOException;
/**
* Deletes an Empty Volume.
*
* @param volumeName Name of the Volume
*
* @throws IOException
*/
void deleteVolume(String volumeName) throws IOException;
/**
* Returns the List of Volumes owned by current user.
*
* @param volumePrefix Volume prefix to match
*
* @return KsmVolumeArgs Iterator
*
* @throws IOException
*/
Iterator<OzoneVolume> listVolumes(String volumePrefix)
throws IOException;
/**
* Returns the List of Volumes owned by the specific user.
*
* @param volumePrefix Volume prefix to match
* @param user User Name
*
* @return KsmVolumeArgs Iterator
*
* @throws IOException
*/
Iterator<OzoneVolume> listVolumes(String volumePrefix, String user)
throws IOException;
/**
* Creates a new Bucket in the Volume.
*
* @param volumeName Name of the Volume
* @param bucketName Name of the Bucket
* @throws IOException
* @throws OzoneException
*/
public void createBucket(String volumeName, String bucketName)
throws IOException, OzoneException {
createBucket(volumeName, bucketName,
OzoneConsts.Versioning.NOT_DEFINED, StorageType.DEFAULT);
}
/**
* Creates a new Bucket in the Volume.
*
* @param volumeName
* @param bucketName
* @param versioning
* @throws IOException
* @throws OzoneException
*/
public void createBucket(String volumeName, String bucketName,
OzoneConsts.Versioning versioning)
throws IOException, OzoneException {
createBucket(volumeName, bucketName, versioning,
StorageType.DEFAULT);
}
void createBucket(String volumeName, String bucketName)
throws IOException;
/**
* Creates a new Bucket in the Volume.
* Creates a new Bucket in the Volume, with versioning set.
*
* @param volumeName Name of the Volume
* @param bucketName Name of the Bucket
* @param versioning Bucket versioning
*
* @throws IOException
*/
void createBucket(String volumeName, String bucketName,
Versioning versioning)
throws IOException;
/**
* Creates a new Bucket in the Volume, with storage type set.
*
* @param volumeName Name of the Volume
* @param bucketName Name of the Bucket
* @param storageType StorageType for the Bucket
*
* @throws IOException
* @throws OzoneException
*/
public void createBucket(String volumeName, String bucketName,
void createBucket(String volumeName, String bucketName,
StorageType storageType)
throws IOException, OzoneException {
createBucket(volumeName, bucketName, OzoneConsts.Versioning.NOT_DEFINED,
storageType);
}
public void createBucket(String volumeName, String bucketName,
OzoneAcl... acls)
throws IOException, OzoneException {
createBucket(volumeName, bucketName, OzoneConsts.Versioning.NOT_DEFINED,
StorageType.DEFAULT, acls);
}
public void createBucket(String volumeName, String bucketName,
OzoneConsts.Versioning versioning,
StorageType storageType, OzoneAcl... acls)
throws IOException, OzoneException {
Preconditions.checkNotNull(volumeName);
Preconditions.checkNotNull(bucketName);
OzoneUtils.verifyResourceName(bucketName);
List<OzoneAcl> listOfAcls = new ArrayList<>();
String userName = ugi.getUserName();
String requestId = OzoneUtils.getRequestID();
String[] groups = ugi.getGroupNames();
UserArgs userArgs = new UserArgs(userName, requestId, hostName,
null, null, null);
userArgs.setGroups(groups);
BucketArgs bucketArgs = new BucketArgs(volumeName, bucketName, userArgs);
bucketArgs.setVersioning(versioning);
bucketArgs.setStorageType(storageType);
//Adding current user's ACL to the ACL list, for now this doesn't check
//whether the "acls" argument passed to this method already has ACL for
//current user. This has to be fixed.
OzoneAcl userAcl = new OzoneAcl(OzoneAcl.OzoneACLType.USER, userName,
userAclRights);
listOfAcls.add(userAcl);
//Should we also add ACL of current user's groups?
if(acls != null && acls.length > 0) {
listOfAcls.addAll(Arrays.asList(acls));
}
bucketArgs.setAddAcls(listOfAcls);
storageHandler.createBucket(bucketArgs);
}
throws IOException;
/**
* Adds a new Key to the Volume/Bucket.
* Creates a new Bucket in the Volume, with ACLs set.
*
* @param volumeName Name of the Volume
* @param bucketName Name of the Bucket
* @param acls OzoneAcls for the Bucket
*
* @throws IOException
*/
void createBucket(String volumeName, String bucketName,
OzoneAcl... acls)
throws IOException;
/**
* Creates a new Bucket in the Volume, with versioning
* storage type and ACLs set.
*
* @param volumeName Name of the Volume
* @param bucketName Name of the Bucket
* @param storageType StorageType for the Bucket
*
* @throws IOException
*/
void createBucket(String volumeName, String bucketName,
OzoneConsts.Versioning versioning,
StorageType storageType, OzoneAcl... acls)
throws IOException;
/**
* Adds or Removes ACLs from a Bucket.
*
* @param volumeName Name of the Volume
* @param bucketName Name of the Bucket
*
* @throws IOException
*/
void addBucketAcls(String volumeName, String bucketName,
List<OzoneAcl> addAcls)
throws IOException;
/**
* Adds or Removes ACLs from a Bucket.
*
* @param volumeName Name of the Volume
* @param bucketName Name of the Bucket
*
* @throws IOException
*/
void removeBucketAcls(String volumeName, String bucketName,
List<OzoneAcl> removeAcls)
throws IOException;
/**
* Enables or disables Bucket Versioning.
*
* @param volumeName Name of the Volume
* @param bucketName Name of the Bucket
*
* @throws IOException
*/
void setBucketVersioning(String volumeName, String bucketName,
Versioning versioning)
throws IOException;
/**
* Sets the Storage Class of a Bucket.
*
* @param volumeName Name of the Volume
* @param bucketName Name of the Bucket
*
* @throws IOException
*/
void setBucketStorageType(String volumeName, String bucketName,
StorageType storageType)
throws IOException;
/**
* Deletes a bucket if it is empty.
*
* @param volumeName Name of the Volume
* @param bucketName Name of the Bucket
*
* @throws IOException
*/
void deleteBucket(String volumeName, String bucketName)
throws IOException;
/**
* true if the bucket exists and user has read access
* to the bucket else throws Exception.
*
* @param volumeName Name of the Volume
*
* @throws IOException
*/
void checkBucketAccess(String volumeName, String bucketName)
throws IOException;
/**
* Returns {@link OzoneBucket}.
*
* @param volumeName Name of the Volume
* @param bucketName Name of the Bucket
*
* @return OzoneBucket
*
* @throws IOException
*/
OzoneBucket getBucketDetails(String volumeName, String bucketName)
throws IOException;
/**
* Returns the List of Buckets in the Volume.
*
* @param volumeName Name of the Volume
* @param bucketPrefix Bucket prefix to match
*
* @return KsmVolumeArgs Iterator
*
* @throws IOException
*/
Iterator<OzoneBucket> listBuckets(String volumeName, String bucketPrefix)
throws IOException;
/**
* Writes a key in an existing bucket.
*
* @param volumeName Name of the Volume
* @param bucketName Name of the Bucket
* @param size Size of the data
*
* @return OutputStream
*
*/
OzoneOutputStream createKey(String volumeName, String bucketName,
String keyName, long size)
throws IOException;
/**
* Reads a key from an existing bucket.
*
* @param volumeName Name of the Volume
* @param bucketName Name of the Bucket
*
* @return LengthInputStream
*
* @throws IOException
*/
OzoneInputStream getKey(String volumeName, String bucketName, String keyName)
throws IOException;
/**
* Deletes an existing key.
*
* @param volumeName Name of the Volume
*
* @throws IOException
*/
void deleteKey(String volumeName, String bucketName, String keyName)
throws IOException;
/**
* Returns list of {@link OzoneKey} in Volume/Bucket.
*
* @param volumeName Name of the Volume
* @param bucketName Name of the Bucket
*
* @return OzoneKey
*
* @throws IOException
*/
List<OzoneKey> listKeys(String volumeName, String bucketName,
String keyPrefix)
throws IOException;
/**
* Get OzoneKey.
*
* @param volumeName Name of the Volume
* @param bucketName Name of the Bucket
* @param keyName Key name
* @param value The Value
*
* @return OzoneKey
*
* @throws IOException
* @throws OzoneException
*/
public void putKey(String volumeName, String bucketName,
String keyName, byte[] value)
throws IOException, OzoneException {
Preconditions.checkNotNull(volumeName);
Preconditions.checkNotNull(bucketName);
Preconditions.checkNotNull(keyName);
String requestId = OzoneUtils.getRequestID();
UserArgs userArgs = new UserArgs(ugi.getUserName(), requestId, hostName,
null, null, null);
KeyArgs keyArgs = new KeyArgs(volumeName, bucketName, keyName, userArgs);
keyArgs.setSize(value.length);
OutputStream outStream = storageHandler.newKeyWriter(keyArgs);
outStream.write(value);
outStream.close();
}
OzoneKey getkeyDetails(String volumeName, String bucketName,
String keyName)
throws IOException;
/**
* Close and release the resources.
*/
@Override
public void close() {
storageHandler.close();
}
void close() throws IOException;
}

View File

@ -0,0 +1,505 @@
/**
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with this
* work for additional information regarding copyright ownership. The ASF
* 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
* <p>
* http://www.apache.org/licenses/LICENSE-2.0
* <p>
* 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.apache.hadoop.ozone;
import com.google.common.base.Preconditions;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.StorageType;
import org.apache.hadoop.ipc.Client;
import org.apache.hadoop.ipc.ProtobufRpcEngine;
import org.apache.hadoop.ipc.RPC;
import org.apache.hadoop.ksm.helpers.KsmBucketInfo;
import org.apache.hadoop.ksm.helpers.KsmKeyArgs;
import org.apache.hadoop.ksm.helpers.KsmKeyInfo;
import org.apache.hadoop.ksm.helpers.KsmVolumeArgs;
import org.apache.hadoop.ksm.protocolPB
.KeySpaceManagerProtocolClientSideTranslatorPB;
import org.apache.hadoop.ksm.protocolPB
.KeySpaceManagerProtocolPB;
import org.apache.hadoop.net.NetUtils;
import org.apache.hadoop.ozone.io.OzoneInputStream;
import org.apache.hadoop.ozone.io.OzoneOutputStream;
import org.apache.hadoop.ozone.ksm.KSMConfigKeys;
import org.apache.hadoop.ozone.OzoneConsts.Versioning;
import org.apache.hadoop.ozone.protocolPB.KSMPBHelper;
import org.apache.hadoop.scm.ScmConfigKeys;
import org.apache.hadoop.scm.XceiverClientManager;
import org.apache.hadoop.scm.XceiverClientSpi;
import org.apache.hadoop.scm.container.common.helpers.Pipeline;
import org.apache.hadoop.scm.protocolPB
.StorageContainerLocationProtocolClientSideTranslatorPB;
import org.apache.hadoop.scm.protocolPB
.StorageContainerLocationProtocolPB;
import org.apache.hadoop.scm.storage.ChunkOutputStream;
import org.apache.hadoop.scm.storage.ContainerProtocolCalls;
import org.apache.hadoop.security.UserGroupInformation;
import org.apache.hadoop.util.StringUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.io.Closeable;
import java.io.IOException;
import java.net.InetSocketAddress;
import java.util.*;
import java.util.stream.Collectors;
/**
* Ozone Client Implementation, it connects to KSM, SCM and DataNode
* to execute client calls. This uses RPC protocol for communication
* with the servers.
*/
public class OzoneClientImpl implements OzoneClient, Closeable {
private static final Logger LOG =
LoggerFactory.getLogger(OzoneClient.class);
private final StorageContainerLocationProtocolClientSideTranslatorPB
storageContainerLocationClient;
private final KeySpaceManagerProtocolClientSideTranslatorPB
keySpaceManagerClient;
private final XceiverClientManager xceiverClientManager;
private final int chunkSize;
private final UserGroupInformation ugi;
private final OzoneAcl.OzoneACLRights userRights;
private final OzoneAcl.OzoneACLRights groupRights;
/**
* Creates OzoneClientImpl instance with new OzoneConfiguration.
*
* @throws IOException
*/
public OzoneClientImpl() throws IOException {
this(new OzoneConfiguration());
}
/**
* Creates OzoneClientImpl instance with the given configuration.
*
* @param conf
*
* @throws IOException
*/
public OzoneClientImpl(Configuration conf) throws IOException {
Preconditions.checkNotNull(conf);
this.ugi = UserGroupInformation.getCurrentUser();
this.userRights = conf.getEnum(KSMConfigKeys.OZONE_KSM_USER_RIGHTS,
KSMConfigKeys.OZONE_KSM_USER_RIGHTS_DEFAULT);
this.groupRights = conf.getEnum(KSMConfigKeys.OZONE_KSM_GROUP_RIGHTS,
KSMConfigKeys.OZONE_KSM_GROUP_RIGHTS_DEFAULT);
long scmVersion =
RPC.getProtocolVersion(StorageContainerLocationProtocolPB.class);
InetSocketAddress scmAddress =
OzoneClientUtils.getScmAddressForClients(conf);
RPC.setProtocolEngine(conf, StorageContainerLocationProtocolPB.class,
ProtobufRpcEngine.class);
this.storageContainerLocationClient =
new StorageContainerLocationProtocolClientSideTranslatorPB(
RPC.getProxy(StorageContainerLocationProtocolPB.class, scmVersion,
scmAddress, UserGroupInformation.getCurrentUser(), conf,
NetUtils.getDefaultSocketFactory(conf),
Client.getRpcTimeout(conf)));
long ksmVersion =
RPC.getProtocolVersion(KeySpaceManagerProtocolPB.class);
InetSocketAddress ksmAddress = OzoneClientUtils.getKsmAddress(conf);
RPC.setProtocolEngine(conf, KeySpaceManagerProtocolPB.class,
ProtobufRpcEngine.class);
this.keySpaceManagerClient =
new KeySpaceManagerProtocolClientSideTranslatorPB(
RPC.getProxy(KeySpaceManagerProtocolPB.class, ksmVersion,
ksmAddress, UserGroupInformation.getCurrentUser(), conf,
NetUtils.getDefaultSocketFactory(conf),
Client.getRpcTimeout(conf)));
this.xceiverClientManager = new XceiverClientManager(conf);
int configuredChunkSize = conf.getInt(
ScmConfigKeys.OZONE_SCM_CHUNK_SIZE_KEY,
ScmConfigKeys.OZONE_SCM_CHUNK_SIZE_DEFAULT);
if(configuredChunkSize > ScmConfigKeys.OZONE_SCM_CHUNK_MAX_SIZE) {
LOG.warn("The chunk size ({}) is not allowed to be more than"
+ " the maximum size ({}),"
+ " resetting to the maximum size.",
configuredChunkSize, ScmConfigKeys.OZONE_SCM_CHUNK_MAX_SIZE);
chunkSize = ScmConfigKeys.OZONE_SCM_CHUNK_MAX_SIZE;
} else {
chunkSize = configuredChunkSize;
}
}
@Override
public void createVolume(String volumeName)
throws IOException {
createVolume(volumeName, ugi.getUserName());
}
@Override
public void createVolume(String volumeName, String owner)
throws IOException {
createVolume(volumeName, owner, OzoneConsts.MAX_QUOTA_IN_BYTES,
(OzoneAcl[])null);
}
@Override
public void createVolume(String volumeName, String owner,
OzoneAcl... acls)
throws IOException {
createVolume(volumeName, owner, OzoneConsts.MAX_QUOTA_IN_BYTES, acls);
}
@Override
public void createVolume(String volumeName, String owner,
long quota)
throws IOException {
createVolume(volumeName, owner, quota, (OzoneAcl[])null);
}
@Override
public void createVolume(String volumeName, String owner,
long quota, OzoneAcl... acls)
throws IOException {
Preconditions.checkNotNull(volumeName);
Preconditions.checkNotNull(owner);
Preconditions.checkNotNull(quota);
Preconditions.checkState(quota >= 0);
OzoneAcl userAcl =
new OzoneAcl(OzoneAcl.OzoneACLType.USER,
owner, userRights);
KsmVolumeArgs.Builder builder = KsmVolumeArgs.newBuilder();
builder.setAdminName(ugi.getUserName())
.setOwnerName(owner)
.setVolume(volumeName)
.setQuotaInBytes(quota)
.addOzoneAcls(KSMPBHelper.convertOzoneAcl(userAcl));
List<OzoneAcl> listOfAcls = new ArrayList<>();
//Group ACLs of the User
List<String> userGroups = Arrays.asList(UserGroupInformation
.createRemoteUser(owner).getGroupNames());
userGroups.stream().forEach((group) -> listOfAcls.add(
new OzoneAcl(OzoneAcl.OzoneACLType.GROUP, group, groupRights)));
//ACLs passed as argument
if(acls != null) {
listOfAcls.addAll(Arrays.asList(acls));
}
//Remove duplicates and set
for (OzoneAcl ozoneAcl :
listOfAcls.stream().distinct().collect(Collectors.toList())) {
builder.addOzoneAcls(KSMPBHelper.convertOzoneAcl(ozoneAcl));
}
LOG.info("Creating Volume: {}, with {} as owner and quota set to {} bytes.",
volumeName, owner, quota);
keySpaceManagerClient.createVolume(builder.build());
}
@Override
public void setVolumeOwner(String volumeName, String owner)
throws IOException {
Preconditions.checkNotNull(volumeName);
Preconditions.checkNotNull(owner);
keySpaceManagerClient.setOwner(volumeName, owner);
}
@Override
public void setVolumeQuota(String volumeName, long quota)
throws IOException {
Preconditions.checkNotNull(volumeName);
Preconditions.checkNotNull(quota);
Preconditions.checkState(quota >= 0);
keySpaceManagerClient.setQuota(volumeName, quota);
}
@Override
public OzoneVolume getVolumeDetails(String volumeName)
throws IOException {
Preconditions.checkNotNull(volumeName);
KsmVolumeArgs volumeArgs =
keySpaceManagerClient.getVolumeInfo(volumeName);
return new OzoneVolume(volumeArgs);
}
@Override
public boolean checkVolumeAccess(String volumeName, OzoneAcl acl)
throws IOException {
Preconditions.checkNotNull(volumeName);
return keySpaceManagerClient.checkVolumeAccess(volumeName,
KSMPBHelper.convertOzoneAcl(acl));
}
@Override
public void deleteVolume(String volumeName)
throws IOException {
Preconditions.checkNotNull(volumeName);
keySpaceManagerClient.deleteVolume(volumeName);
}
@Override
public Iterator<OzoneVolume> listVolumes(String volumePrefix)
throws IOException {
throw new UnsupportedOperationException("Not yet implemented.");
}
@Override
public Iterator<OzoneVolume> listVolumes(String volumePrefix,
String user)
throws IOException {
throw new UnsupportedOperationException("Not yet implemented.");
}
@Override
public void createBucket(String volumeName, String bucketName)
throws IOException {
createBucket(volumeName, bucketName, Versioning.NOT_DEFINED,
StorageType.DEFAULT, (OzoneAcl[])null);
}
@Override
public void createBucket(String volumeName, String bucketName,
Versioning versioning)
throws IOException {
createBucket(volumeName, bucketName, versioning,
StorageType.DEFAULT, (OzoneAcl[])null);
}
@Override
public void createBucket(String volumeName, String bucketName,
StorageType storageType)
throws IOException {
createBucket(volumeName, bucketName, Versioning.NOT_DEFINED,
storageType, (OzoneAcl[])null);
}
@Override
public void createBucket(String volumeName, String bucketName,
OzoneAcl... acls)
throws IOException {
createBucket(volumeName, bucketName, Versioning.NOT_DEFINED,
StorageType.DEFAULT, acls);
}
@Override
public void createBucket(String volumeName, String bucketName,
Versioning versioning, StorageType storageType,
OzoneAcl... acls)
throws IOException {
Preconditions.checkNotNull(volumeName);
Preconditions.checkNotNull(bucketName);
Preconditions.checkNotNull(versioning);
Preconditions.checkNotNull(storageType);
KsmBucketInfo.Builder builder = KsmBucketInfo.newBuilder();
builder.setVolumeName(volumeName)
.setBucketName(bucketName)
.setStorageType(storageType)
.setIsVersionEnabled(getBucketVersioningProtobuf(
versioning));
String owner = ugi.getUserName();
final List<OzoneAcl> listOfAcls = new ArrayList<>();
//User ACL
OzoneAcl userAcl =
new OzoneAcl(OzoneAcl.OzoneACLType.USER,
owner, userRights);
listOfAcls.add(userAcl);
//Group ACLs of the User
List<String> userGroups = Arrays.asList(UserGroupInformation
.createRemoteUser(owner).getGroupNames());
userGroups.stream().forEach((group) -> listOfAcls.add(
new OzoneAcl(OzoneAcl.OzoneACLType.GROUP, group, groupRights)));
//ACLs passed as argument
if(acls != null) {
Arrays.stream(acls).forEach((acl) -> listOfAcls.add(acl));
}
//Remove duplicates and set
builder.setAcls(listOfAcls.stream().distinct()
.collect(Collectors.toList()));
LOG.info("Creating Bucket: {}/{}, with Versioning {} and " +
"Storage Type set to {}", volumeName, bucketName, versioning,
storageType);
keySpaceManagerClient.createBucket(builder.build());
}
/**
* Converts OzoneConts.Versioning enum to boolean.
*
* @param version
* @return corresponding boolean value
*/
private boolean getBucketVersioningProtobuf(
Versioning version) {
if(version != null) {
switch(version) {
case ENABLED:
return true;
case NOT_DEFINED:
case DISABLED:
default:
return false;
}
}
return false;
}
@Override
public void addBucketAcls(String volumeName, String bucketName,
List<OzoneAcl> addAcls)
throws IOException {
throw new UnsupportedOperationException("Not yet implemented.");
}
@Override
public void removeBucketAcls(String volumeName, String bucketName,
List<OzoneAcl> removeAcls)
throws IOException {
throw new UnsupportedOperationException("Not yet implemented.");
}
@Override
public void setBucketVersioning(String volumeName, String bucketName,
Versioning versioning)
throws IOException {
throw new UnsupportedOperationException("Not yet implemented.");
}
@Override
public void setBucketStorageType(String volumeName, String bucketName,
StorageType storageType)
throws IOException {
throw new UnsupportedOperationException("Not yet implemented.");
}
@Override
public void deleteBucket(String volumeName, String bucketName)
throws IOException {
throw new UnsupportedOperationException("Not yet implemented.");
}
@Override
public void checkBucketAccess(String volumeName, String bucketName)
throws IOException {
throw new UnsupportedOperationException("Not yet implemented.");
}
@Override
public OzoneBucket getBucketDetails(String volumeName,
String bucketName)
throws IOException {
throw new UnsupportedOperationException("Not yet implemented.");
}
@Override
public Iterator<OzoneBucket> listBuckets(String volumeName,
String bucketPrefix)
throws IOException {
throw new UnsupportedOperationException("Not yet implemented.");
}
@Override
public OzoneOutputStream createKey(String volumeName, String bucketName,
String keyName, long size)
throws IOException {
String requestId = UUID.randomUUID().toString();
KsmKeyArgs keyArgs = new KsmKeyArgs.Builder()
.setVolumeName(volumeName)
.setBucketName(bucketName)
.setKeyName(keyName)
.setDataSize(size)
.build();
String containerKey = buildContainerKey(volumeName, bucketName, keyName);
KsmKeyInfo keyInfo = keySpaceManagerClient.allocateKey(keyArgs);
// TODO: the following createContainer and key writes may fail, in which
// case we should revert the above allocateKey to KSM.
String containerName = keyInfo.getContainerName();
XceiverClientSpi xceiverClient = getContainer(containerName);
if (keyInfo.getShouldCreateContainer()) {
LOG.debug("Need to create container {} for key: {}/{}/{}", containerName,
volumeName, bucketName, keyName);
ContainerProtocolCalls.createContainer(xceiverClient, requestId);
}
// establish a connection to the container to write the key
ChunkOutputStream outputStream = new ChunkOutputStream(containerKey,
keyName, xceiverClientManager, xceiverClient, requestId, chunkSize);
return new OzoneOutputStream(outputStream);
}
/**
* Creates a container key from any number of components by combining all
* components with a delimiter.
*
* @param parts container key components
* @return container key
*/
private static String buildContainerKey(String... parts) {
return '/' + StringUtils.join('/', parts);
}
private XceiverClientSpi getContainer(String containerName)
throws IOException {
Pipeline pipeline =
storageContainerLocationClient.getContainer(containerName);
return xceiverClientManager.acquireClient(pipeline);
}
@Override
public OzoneInputStream getKey(String volumeName, String bucketName,
String keyName)
throws IOException {
throw new UnsupportedOperationException("Not yet implemented.");
}
@Override
public void deleteKey(String volumeName, String bucketName,
String keyName)
throws IOException {
throw new UnsupportedOperationException("Not yet implemented.");
}
@Override
public List<OzoneKey> listKeys(String volumeName, String bucketName,
String keyPrefix)
throws IOException {
throw new UnsupportedOperationException("Not yet implemented.");
}
@Override
public OzoneKey getkeyDetails(String volumeName, String bucketName,
String keyName)
throws IOException {
throw new UnsupportedOperationException("Not yet implemented.");
}
@Override
public void close() throws IOException {
if(xceiverClientManager != null) {
xceiverClientManager.close();
}
}
}

View File

@ -0,0 +1,120 @@
/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF 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.apache.hadoop.ozone;
import org.apache.hadoop.ksm.helpers.KsmKeyInfo;
/**
* A class that encapsulates OzoneKey.
*/
public class OzoneKey {
/**
* Name of the Volume the Key belongs to.
*/
private final String volumeName;
/**
* Name of the Bucket the Key belongs to.
*/
private final String bucketName;
/**
* Name of the Key.
*/
private final String keyName;
/**
* Name of the Container the Key resides in.
*/
private final String containerName;
/**
* Name of the block id SCM assigned for the key.
*/
private final String blockID;
/**
* Size of the data.
*/
private final long dataSize;
/**
* Constructs OzoneKey from KsmKeyInfo.
*
* @param ksmKeyInfo
*/
public OzoneKey(KsmKeyInfo ksmKeyInfo) {
this.volumeName = ksmKeyInfo.getVolumeName();
this.bucketName = ksmKeyInfo.getBucketName();
this.keyName = ksmKeyInfo.getKeyName();
this.containerName = ksmKeyInfo.getContainerName();
this.blockID = ksmKeyInfo.getBlockID();
this.dataSize = ksmKeyInfo.getDataSize();
}
/**
* Returns Volume Name associated with the Key.
*
* @return volumeName
*/
public String getVolumeName() {
return volumeName;
}
/**
* Returns Bucket Name associated with the Key.
*
* @return bucketName
*/
public String getBucketName(){
return bucketName;
}
/**
* Returns the Key Name.
*
* @return keyName
*/
public String getKeyName() {
return keyName;
}
/**
* Returns Container Name associated with the Key.
*
* @return containerName
*/
public String getContainerName() {
return containerName;
}
/**
* Returns BlockID associated with the Key.
*
* @return blockID
*/
public String getBlockID() {
return blockID;
}
/**
* Returns the size of the data.
*
* @return dataSize
*/
public long getDataSize() {
return dataSize;
}
}

View File

@ -0,0 +1,107 @@
/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF 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.apache.hadoop.ozone;
import org.apache.hadoop.ksm.helpers.KsmOzoneAclMap;
import org.apache.hadoop.ksm.helpers.KsmVolumeArgs;
/**
* A class that encapsulates OzoneVolume.
*/
public class OzoneVolume {
/**
* Admin Name of the Volume.
*/
private final String adminName;
/**
* Owner of the Volume.
*/
private final String ownerName;
/**
* Name of the Volume.
*/
private final String volumeName;
/**
* Quota allocated for the Volume.
*/
private final long quotaInBytes;
/**
* Volume ACLs.
*/
private final KsmOzoneAclMap aclMap;
/**
* Constructs OzoneVolume from KsmVolumeArgs.
*
* @param ksmVolumeArgs
*/
public OzoneVolume(KsmVolumeArgs ksmVolumeArgs) {
this.adminName = ksmVolumeArgs.getAdminName();
this.ownerName = ksmVolumeArgs.getOwnerName();
this.volumeName = ksmVolumeArgs.getVolume();
this.quotaInBytes = ksmVolumeArgs.getQuotaInBytes();
this.aclMap = ksmVolumeArgs.getAclMap();
}
/**
* Returns Volume's admin name.
*
* @return adminName
*/
public String getAdminName() {
return adminName;
}
/**
* Returns Volume's owner name.
*
* @return ownerName
*/
public String getOwnerName() {
return ownerName;
}
/**
* Returns Volume name.
*
* @return volumeName
*/
public String getVolumeName() {
return volumeName;
}
/**
* Returns Quota allocated for the Volume in bytes.
*
* @return quotaInBytes
*/
public long getQuota() {
return quotaInBytes;
}
/**
* Returns OzoneAcl list associated with the Volume.
*
* @return aclMap
*/
public KsmOzoneAclMap getAclMap() {
return aclMap;
}
}

View File

@ -0,0 +1,52 @@
/**
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with this
* work for additional information regarding copyright ownership. The ASF
* 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
* <p>
* http://www.apache.org/licenses/LICENSE-2.0
* <p>
* 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.apache.hadoop.ozone.io;
import org.apache.hadoop.scm.storage.ChunkInputStream;
import java.io.IOException;
import java.io.InputStream;
/**
* OzoneInputStream is used to read data from Ozone.
* It uses SCM's {@link ChunkInputStream} for reading the data.
*/
public class OzoneInputStream extends InputStream {
private final ChunkInputStream inputStream;
/**
* Constructs OzoneInputStream with ChunkInputStream.
*
* @param inputStream
*/
public OzoneInputStream(ChunkInputStream inputStream) {
this.inputStream = inputStream;
}
@Override
public int read() throws IOException {
return inputStream.read();
}
@Override
public synchronized void close() throws IOException {
inputStream.close();
}
}

View File

@ -0,0 +1,62 @@
/**
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with this
* work for additional information regarding copyright ownership. The ASF
* 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
* <p>
* http://www.apache.org/licenses/LICENSE-2.0
* <p>
* 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.apache.hadoop.ozone.io;
import org.apache.hadoop.scm.storage.ChunkOutputStream;
import java.io.IOException;
import java.io.OutputStream;
/**
* OzoneOutputStream is used to write data into Ozone.
* It uses SCM's {@link ChunkOutputStream} for writing the data.
*/
public class OzoneOutputStream extends OutputStream {
private final ChunkOutputStream outputStream;
/**
* Constructs OzoneOutputStream with ChunkOutputStream.
*
* @param outputStream
*/
public OzoneOutputStream(ChunkOutputStream outputStream) {
this.outputStream = outputStream;
}
@Override
public void write(int b) throws IOException {
outputStream.write(b);
}
@Override
public void write(byte[] b, int off, int len) throws IOException {
outputStream.write(b, off, len);
}
@Override
public synchronized void flush() throws IOException {
outputStream.flush();
}
@Override
public synchronized void close() throws IOException {
//commitKey can be done here, if needed.
outputStream.close();
}
}

View File

@ -0,0 +1,23 @@
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF 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.apache.hadoop.ozone.io;
/**
* This package contains Ozone I/O classes.
*/

View File

@ -19,6 +19,7 @@
package org.apache.hadoop.ozone;
import org.apache.hadoop.fs.StorageType;
import org.apache.hadoop.ozone.io.OzoneOutputStream;
import org.apache.hadoop.ozone.web.exceptions.OzoneException;
import org.junit.AfterClass;
import org.junit.Assert;
@ -31,10 +32,10 @@ import java.util.UUID;
/**
* This class is to test all the public facing APIs of Ozone Client.
*/
public class TestOzoneClient {
public class TestOzoneClientImpl {
private static MiniOzoneCluster cluster = null;
private static OzoneClient ozClient = null;
private static OzoneClientImpl ozClient = null;
/**
* Create a MiniDFSCluster for testing.
@ -51,7 +52,7 @@ public class TestOzoneClient {
OzoneConsts.OZONE_HANDLER_DISTRIBUTED);
cluster = new MiniOzoneCluster.Builder(conf)
.setHandlerType(OzoneConsts.OZONE_HANDLER_DISTRIBUTED).build();
ozClient = new OzoneClient(conf);
ozClient = new OzoneClientImpl(conf);
}
@Test
@ -76,7 +77,8 @@ public class TestOzoneClient {
public void testCreateVolumeWithQuota()
throws IOException, OzoneException {
String volumeName = UUID.randomUUID().toString();
ozClient.createVolume(volumeName, "test", "10GB");
ozClient.createVolume(volumeName, "test",
10000000000L);
}
@Test
@ -173,7 +175,9 @@ public class TestOzoneClient {
String value = "sample value";
ozClient.createVolume(volumeName);
ozClient.createBucket(volumeName, bucketName);
ozClient.putKey(volumeName, bucketName, keyName, value.getBytes());
OzoneOutputStream out = ozClient.createKey(volumeName, bucketName,
keyName, value.getBytes().length);
out.write(value.getBytes());
//Assert has to be done.
}