big-data/hadoop
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

HDFS-6835. Archival Storage: Add a new API to set storage policy. Contributed by Jing Zhao.

Browse Source 
git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/branches/HDFS-6584@1617568 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Jing Zhao 2014-08-12 19:32:09 +00:00
parent de3804f756
commit 37207b75d4
17 changed files with 390 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

15
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/BlockStoragePolicy.java
View File

@ -68,6 +68,17 @@ public BlockStoragePolicy getPolicy(byte id) {
public BlockStoragePolicy getDefaultPolicy() {
return getPolicy(defaultPolicyID);
}
public BlockStoragePolicy getPolicy(String policyName) {
if (policies != null) {
for (BlockStoragePolicy policy : policies) {
if (policy != null && policy.name.equals(policyName)) {
return policy;
}
}
}
return null;
}
}
/** A 4-bit policy ID */
@ -172,6 +183,10 @@ public String toString() {
+ ", replicationFallbacks=" + Arrays.asList(replicationFallbacks);
}
public byte getId() {
return id;
}
private static StorageType getFallback(EnumSet<StorageType> unavailables,
StorageType[] fallbacks) {
for(StorageType fb : fallbacks) {

19
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/DFSClient.java
View File

@ -1645,6 +1645,25 @@ public boolean setReplication(String src, short replication)
}
}
/**
* Set storage policy for an existing file
* @param src file name
* @param policyName name of the storage policy
*/
public void setStoragePolicy(String src, String policyName)
throws IOException {
try {
namenode.setStoragePolicy(src, policyName);
} catch (RemoteException e) {
throw e.unwrapRemoteException(AccessControlException.class,
FileNotFoundException.class,
SafeModeException.class,
NSQuotaExceededException.class,
UnresolvedPathException.class,
SnapshotAccessControlException.class);
}
}
/**
* Rename file or directory.
* @see ClientProtocol#rename(String, String)

28
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/DistributedFileSystem.java
View File

@ -461,7 +461,33 @@ public Boolean next(final FileSystem fs, final Path p)
}
}.resolve(this, absF);
}
public void setStoragePolicy(final Path src, final String policyName)
throws IOException {
statistics.incrementWriteOps(1);
Path absF = fixRelativePart(src);
new FileSystemLinkResolver<Void>() {
@Override
public Void doCall(final Path p)
throws IOException, UnresolvedLinkException {
dfs.setStoragePolicy(getPathName(p), policyName);
return null;
}
@Override
public Void next(final FileSystem fs, final Path p)
throws IOException {
if (fs instanceof DistributedFileSystem) {
((DistributedFileSystem) fs).setStoragePolicy(p, policyName);
return null;
} else {
throw new UnsupportedOperationException(
"Cannot perform setStoragePolicy on a non-DistributedFileSystem: "
+ src + " -> " + p);
}
}
}.resolve(this, absF);
}
/**
* Move blocks from srcs to trg and delete srcs afterwards.
* The file block sizes must be the same.

14
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/protocol/ClientProtocol.java
View File

@ -254,6 +254,20 @@ public boolean setReplication(String src, short replication)
FileNotFoundException, SafeModeException, UnresolvedLinkException,
SnapshotAccessControlException, IOException;
/**
* Set the storage policy for an existing file
* @param src Path of an existing file.
* @param policyName The name of the storage policy
* @throws SnapshotAccessControlException If access is denied
* @throws UnresolvedLinkException if <code>src</code> contains a symlink
* @throws FileNotFoundException If file/dir <code>src</code> is not found
* @throws QuotaExceededException If changes violate the quota restriction
*/
@Idempotent
public void setStoragePolicy(String src, String policyName)
throws SnapshotAccessControlException, UnresolvedLinkException,
FileNotFoundException, QuotaExceededException, IOException;
/**
* Set permissions for an existing file/directory.
*

16
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/protocolPB/ClientNamenodeProtocolServerSideTranslatorPB.java
View File

@ -168,6 +168,8 @@
import org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos.SetReplicationResponseProto;
import org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos.SetSafeModeRequestProto;
import org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos.SetSafeModeResponseProto;
import org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos.SetStoragePolicyRequestProto;
import org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos.SetStoragePolicyResponseProto;
import org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos.SetTimesRequestProto;
import org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos.SetTimesResponseProto;
import org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos.UpdateBlockForPipelineRequestProto;
@ -225,6 +227,8 @@ public class ClientNamenodeProtocolServerSideTranslatorPB implements
static final GetSnapshottableDirListingResponseProto
NULL_GET_SNAPSHOTTABLE_DIR_LISTING_RESPONSE =
GetSnapshottableDirListingResponseProto.newBuilder().build();
static final SetStoragePolicyResponseProto VOID_SET_STORAGE_POLICY_RESPONSE =
SetStoragePolicyResponseProto.newBuilder().build();
private static final CreateResponseProto VOID_CREATE_RESPONSE =
CreateResponseProto.newBuilder().build();
@ -1354,4 +1358,16 @@ public CheckAccessResponseProto checkAccess(RpcController controller,
}
return VOID_CHECKACCESS_RESPONSE;
}
@Override
public SetStoragePolicyResponseProto setStoragePolicy(
RpcController controller, SetStoragePolicyRequestProto request)
throws ServiceException {
try {
server.setStoragePolicy(request.getSrc(), request.getPolicyName());
} catch (IOException e) {
throw new ServiceException(e);
}
return VOID_SET_STORAGE_POLICY_RESPONSE;
}
}

16
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/protocolPB/ClientNamenodeProtocolTranslatorPB.java
View File

@ -60,7 +60,9 @@
import org.apache.hadoop.hdfs.protocol.LocatedBlock;
import org.apache.hadoop.hdfs.protocol.LocatedBlocks;
import org.apache.hadoop.hdfs.protocol.NSQuotaExceededException;
import org.apache.hadoop.hdfs.protocol.QuotaExceededException;
import org.apache.hadoop.hdfs.protocol.RollingUpgradeInfo;
import org.apache.hadoop.hdfs.protocol.SnapshotAccessControlException;
import org.apache.hadoop.hdfs.protocol.SnapshotDiffReport;
import org.apache.hadoop.hdfs.protocol.SnapshottableDirectoryStatus;
import org.apache.hadoop.hdfs.protocol.proto.AclProtos.GetAclStatusRequestProto;
@ -146,6 +148,7 @@
import org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos.UpdateBlockForPipelineRequestProto;
import org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos.UpdatePipelineRequestProto;
import org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos.CheckAccessRequestProto;
import org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos.SetStoragePolicyRequestProto;
import org.apache.hadoop.hdfs.protocol.proto.XAttrProtos.GetXAttrsRequestProto;
import org.apache.hadoop.hdfs.protocol.proto.XAttrProtos.ListXAttrsRequestProto;
import org.apache.hadoop.hdfs.protocol.proto.XAttrProtos.RemoveXAttrRequestProto;
@ -1359,4 +1362,17 @@ public void checkAccess(String path, FsAction mode) throws IOException {
throw ProtobufHelper.getRemoteException(e);
}
}
@Override
public void setStoragePolicy(String src, String policyName)
throws SnapshotAccessControlException, UnresolvedLinkException,
FileNotFoundException, QuotaExceededException, IOException {
SetStoragePolicyRequestProto req = SetStoragePolicyRequestProto
.newBuilder().setSrc(src).setPolicyName(policyName).build();
try {
rpcProxy.setStoragePolicy(null, req);
} catch (ServiceException e) {
throw ProtobufHelper.getRemoteException(e);
}
}
}

6
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/blockmanagement/BlockManager.java
View File

@ -395,7 +395,11 @@ private static BlockTokenSecretManager createBlockTokenSecretManager(
lifetimeMin*60*1000L, 0, null, encryptionAlgorithm);
}
}
public BlockStoragePolicy getStoragePolicy(final String policyName) {
return storagePolicySuite.getPolicy(policyName);
}
public void setBlockPoolId(String blockPoolId) {
if (isBlockTokenEnabled()) {
blockTokenSecretManager.setBlockPoolId(blockPoolId);

22
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSDirectory.java
View File

@ -946,6 +946,28 @@ Block[] unprotectedSetReplication(String src, short replication,
return file.getBlocks();
}
/** Set block storage policy for a file */
void setStoragePolicy(String src, byte policyId)
throws SnapshotAccessControlException, UnresolvedLinkException,
FileNotFoundException, QuotaExceededException {
writeLock();
try {
unprotectedSetStoragePolicy(src, policyId);
} finally {
writeUnlock();
}
}
void unprotectedSetStoragePolicy(String src, byte policyId)
throws SnapshotAccessControlException, UnresolvedLinkException,
FileNotFoundException, QuotaExceededException {
assert hasWriteLock();
final INodesInPath iip = getINodesInPath4Write(src, true);
// TODO: currently we only support setting storage policy on a file
final INodeFile inode = INodeFile.valueOf(iip.getLastINode(), src);
inode.setStoragePolicyID(policyId, iip.getLatestSnapshotId());
}
/**
* @param path the file path
* @return the block size of the file.

12
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSEditLog.java
View File

@ -82,6 +82,7 @@
import org.apache.hadoop.hdfs.server.namenode.FSEditLogOp.SetPermissionsOp;
import org.apache.hadoop.hdfs.server.namenode.FSEditLogOp.SetQuotaOp;
import org.apache.hadoop.hdfs.server.namenode.FSEditLogOp.SetReplicationOp;
import org.apache.hadoop.hdfs.server.namenode.FSEditLogOp.SetStoragePolicyOp;
import org.apache.hadoop.hdfs.server.namenode.FSEditLogOp.SetXAttrOp;
import org.apache.hadoop.hdfs.server.namenode.FSEditLogOp.SymlinkOp;
import org.apache.hadoop.hdfs.server.namenode.FSEditLogOp.TimesOp;
@ -812,7 +813,16 @@ void logSetReplication(String src, short replication) {
.setReplication(replication);
logEdit(op);
}
/**
* Add set storage policy id record to edit log
*/
void logSetStoragePolicy(String src, byte policyId) {
SetStoragePolicyOp op = SetStoragePolicyOp.getInstance(cache.get())
.setPath(src).setPolicyId(policyId);
logEdit(op);
}
/** Add set namespace quota record to edit log
*
* @param src the string representation of the path to a directory

8
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSEditLogLoader.java
View File

@ -78,6 +78,7 @@
import org.apache.hadoop.hdfs.server.namenode.FSEditLogOp.SetPermissionsOp;
import org.apache.hadoop.hdfs.server.namenode.FSEditLogOp.SetQuotaOp;
import org.apache.hadoop.hdfs.server.namenode.FSEditLogOp.SetReplicationOp;
import org.apache.hadoop.hdfs.server.namenode.FSEditLogOp.SetStoragePolicyOp;
import org.apache.hadoop.hdfs.server.namenode.FSEditLogOp.SetXAttrOp;
import org.apache.hadoop.hdfs.server.namenode.FSEditLogOp.RemoveXAttrOp;
import org.apache.hadoop.hdfs.server.namenode.FSEditLogOp.SymlinkOp;
@ -827,6 +828,13 @@ private long applyEditLogOp(FSEditLogOp op, FSDirectory fsDir,
}
break;
}
case OP_SET_STORAGE_POLICY: {
SetStoragePolicyOp setStoragePolicyOp = (SetStoragePolicyOp) op;
fsDir.unprotectedSetStoragePolicy(
renameReservedPathsOnUpgrade(setStoragePolicyOp.path, logVersion),
setStoragePolicyOp.policyId);
break;
}
default:
throw new IOException("Invalid operation read " + op.opCode);
}

67
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSEditLogOp.java
View File

@ -61,6 +61,7 @@
import static org.apache.hadoop.hdfs.server.namenode.FSEditLogOpCodes.OP_TIMES;
import static org.apache.hadoop.hdfs.server.namenode.FSEditLogOpCodes.OP_UPDATE_BLOCKS;
import static org.apache.hadoop.hdfs.server.namenode.FSEditLogOpCodes.OP_UPDATE_MASTER_KEY;
import static org.apache.hadoop.hdfs.server.namenode.FSEditLogOpCodes.OP_SET_STORAGE_POLICY;
import java.io.DataInput;
import java.io.DataInputStream;
@ -193,6 +194,7 @@ public OpInstanceCache() {
OP_ROLLING_UPGRADE_FINALIZE, "finalize"));
inst.put(OP_SET_XATTR, new SetXAttrOp());
inst.put(OP_REMOVE_XATTR, new RemoveXAttrOp());
inst.put(OP_SET_STORAGE_POLICY, new SetStoragePolicyOp());
}
public FSEditLogOp get(FSEditLogOpCodes opcode) {
@ -3780,6 +3782,71 @@ static class RollbackException extends IOException {
}
}
/** {@literal @Idempotent} for {@link ClientProtocol#setStoragePolicy} */
static class SetStoragePolicyOp extends FSEditLogOp {
String path;
byte policyId;
private SetStoragePolicyOp() {
super(OP_SET_STORAGE_POLICY);
}
static SetStoragePolicyOp getInstance(OpInstanceCache cache) {
return (SetStoragePolicyOp) cache.get(OP_SET_STORAGE_POLICY);
}
SetStoragePolicyOp setPath(String path) {
this.path = path;
return this;
}
SetStoragePolicyOp setPolicyId(byte policyId) {
this.policyId = policyId;
return this;
}
@Override
public void writeFields(DataOutputStream out) throws IOException {
FSImageSerialization.writeString(path, out);
out.writeByte(policyId);
}
@Override
void readFields(DataInputStream in, int logVersion)
throws IOException {
this.path = FSImageSerialization.readString(in);
this.policyId = in.readByte();
}
@Override
public String toString() {
StringBuilder builder = new StringBuilder();
builder.append("SetStoragePolicyOp [path=");
builder.append(path);
builder.append(", policyId=");
builder.append(policyId);
builder.append(", opCode=");
builder.append(opCode);
builder.append(", txid=");
builder.append(txid);
builder.append("]");
return builder.toString();
}
@Override
protected void toXml(ContentHandler contentHandler) throws SAXException {
XMLUtils.addSaxString(contentHandler, "PATH", path);
XMLUtils.addSaxString(contentHandler, "POLICYID",
Byte.valueOf(policyId).toString());
}
@Override
void fromXml(Stanza st) throws InvalidXmlException {
this.path = st.getValue("PATH");
this.policyId = Byte.valueOf(st.getValue("POLICYID"));
}
}
/**
* Class for writing editlog ops
*/

1
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSEditLogOpCodes.java
View File

@ -72,6 +72,7 @@ public enum FSEditLogOpCodes {
OP_ROLLING_UPGRADE_FINALIZE ((byte) 42),
OP_SET_XATTR ((byte) 43),
OP_REMOVE_XATTR ((byte) 44),
OP_SET_STORAGE_POLICY ((byte) 45),
// Note that the current range of the valid OP code is 0~127
OP_INVALID ((byte) -1);

47
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSNamesystem.java
View File

@ -154,6 +154,7 @@
import org.apache.hadoop.fs.permission.PermissionStatus;
import org.apache.hadoop.ha.HAServiceProtocol.HAServiceState;
import org.apache.hadoop.ha.ServiceFailedException;
import org.apache.hadoop.hdfs.BlockStoragePolicy;
import org.apache.hadoop.hdfs.DFSConfigKeys;
import org.apache.hadoop.hdfs.DFSUtil;
import org.apache.hadoop.hdfs.HAUtil;
@ -2219,6 +2220,52 @@ private boolean setReplicationInt(String src, final short replication)
return isFile;
}
/**
* Set the storage policy for an existing file.
*
* @param src file name
* @param policyName storage policy name
*/
void setStoragePolicy(String src, final String policyName)
throws IOException {
try {
setStoragePolicyInt(src, policyName);
} catch (AccessControlException e) {
logAuditEvent(false, "setStoragePolicy", src);
throw e;
}
}
private void setStoragePolicyInt(String src, final String policyName)
throws IOException {
checkSuperuserPrivilege();
checkOperation(OperationCategory.WRITE);
byte[][] pathComponents = FSDirectory.getPathComponentsForReservedPath(src);
waitForLoadingFSImage();
HdfsFileStatus fileStat;
writeLock();
try {
checkOperation(OperationCategory.WRITE);
checkNameNodeSafeMode("Cannot set storage policy for " + src);
src = FSDirectory.resolvePath(src, pathComponents, dir);
// get the corresponding policy and make sure the policy name is valid
BlockStoragePolicy policy = blockManager.getStoragePolicy(policyName);
if (policy == null) {
throw new HadoopIllegalArgumentException(
"Cannot find a block policy with the name " + policyName);
}
dir.setStoragePolicy(src, policy.getId());
getEditLog().logSetStoragePolicy(src, policy.getId());
fileStat = getAuditFileInfo(src, false);
} finally {
writeUnlock();
}
getEditLog().logSync();
logAuditEvent(true, "setStoragePolicy", src, null, fileStat);
}
long getPreferredBlockSize(String filename)
throws IOException, UnresolvedLinkException {
FSPermissionChecker pc = getPermissionChecker();

11
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/INodeFile.java
View File

@ -372,6 +372,17 @@ public byte getStoragePolicyID() {
return HeaderFormat.getStoragePolicyID(header);
}
/** Set the policy id of the file */
public final void setStoragePolicyID(byte policyId) {
header = HeaderFormat.STORAGE_POLICY_ID.BITS.combine(policyId, header);
}
public final void setStoragePolicyID(byte policyId, int lastSnapshotId)
throws QuotaExceededException {
recordModification(lastSnapshotId);
setStoragePolicyID(policyId);
}
@Override
public long getHeaderLong() {
return header;

8
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/NameNodeRpcServer.java
View File

@ -579,7 +579,13 @@ public boolean setReplication(String src, short replication)
throws IOException {
return namesystem.setReplication(src, replication);
}
@Override
public void setStoragePolicy(String src, String policyName)
throws IOException {
namesystem.setStoragePolicy(src, policyName);
}
@Override // ClientProtocol
public void setPermission(String src, FsPermission permissions)
throws IOException {

10
hadoop-hdfs-project/hadoop-hdfs/src/main/proto/ClientNamenodeProtocol.proto
View File

@ -97,6 +97,14 @@ message SetReplicationResponseProto {
required bool result = 1;
}
message SetStoragePolicyRequestProto {
required string src = 1;
required string policyName = 2;
}
message SetStoragePolicyResponseProto { // void response
}
message SetPermissionRequestProto {
required string src = 1;
required FsPermissionProto permission = 2;
@ -671,6 +679,8 @@ service ClientNamenodeProtocol {
rpc append(AppendRequestProto) returns(AppendResponseProto);
rpc setReplication(SetReplicationRequestProto)
returns(SetReplicationResponseProto);
rpc setStoragePolicy(SetStoragePolicyRequestProto)
returns(SetStoragePolicyResponseProto);
rpc setPermission(SetPermissionRequestProto)
returns(SetPermissionResponseProto);
rpc setOwner(SetOwnerRequestProto) returns(SetOwnerResponseProto);

98
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestBlockStoragePolicy.java
View File

@ -17,12 +17,19 @@
*/
package org.apache.hadoop.hdfs;
import java.io.FileNotFoundException;
import java.util.EnumSet;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.Path;
import org.apache.hadoop.hdfs.protocol.HdfsConstants.SafeModeAction;
import org.apache.hadoop.hdfs.server.namenode.FSDirectory;
import org.apache.hadoop.hdfs.server.namenode.INodeFile;
import org.apache.hadoop.ipc.RemoteException;
import org.apache.hadoop.test.GenericTestUtils;
import org.junit.Assert;
import org.junit.Test;
@ -30,8 +37,10 @@
public class TestBlockStoragePolicy {
public static final BlockStoragePolicy.Suite POLICY_SUITE;
public static final BlockStoragePolicy DEFAULT_STORAGE_POLICY;
public static final Configuration conf;
static {
final Configuration conf = new HdfsConfiguration();
conf = new HdfsConfiguration();
POLICY_SUITE = BlockStoragePolicy.readBlockStorageSuite(conf);
DEFAULT_STORAGE_POLICY = POLICY_SUITE.getDefaultPolicy();
}
@ -41,11 +50,15 @@ public class TestBlockStoragePolicy {
static final EnumSet<StorageType> disk = EnumSet.of(StorageType.DISK);
static final EnumSet<StorageType> both = EnumSet.of(StorageType.DISK, StorageType.ARCHIVE);
static final long FILE_LEN = 1024;
static final short REPLICATION = 3;
static final byte COLD = (byte) 4;
static final byte WARM = (byte) 8;
static final byte HOT = (byte) 12;
@Test
public void testDefaultPolicies() throws Exception {
final byte COLD = (byte)4;
final byte WARM = (byte)8;
final byte HOT = (byte)12;
final Map<Byte, String> expectedPolicyStrings = new HashMap<Byte, String>();
expectedPolicyStrings.put(COLD,
"BlockStoragePolicy{COLD:4, storageTypes=[ARCHIVE], creationFallbacks=[], replicationFallbacks=[]");
@ -119,4 +132,81 @@ static void assertReplicationFallback(BlockStoragePolicy policy, StorageType non
Assert.assertEquals(diskExpected, policy.getReplicationFallback(disk));
Assert.assertEquals(null, policy.getReplicationFallback(both));
}
@Test
public void testSetStoragePolicy() throws Exception {
final MiniDFSCluster cluster = new MiniDFSCluster.Builder(conf)
.numDataNodes(REPLICATION).build();
cluster.waitActive();
FSDirectory fsdir = cluster.getNamesystem().getFSDirectory();
final DistributedFileSystem fs = cluster.getFileSystem();
try {
final Path dir = new Path("/testSetStoragePolicy");
final Path fooFile = new Path(dir, "foo");
final Path barDir = new Path(dir, "bar");
final Path barFile1= new Path(barDir, "f1");
final Path barFile2= new Path(barDir, "f2");
DFSTestUtil.createFile(fs, fooFile, FILE_LEN, REPLICATION, 0L);
DFSTestUtil.createFile(fs, barFile1, FILE_LEN, REPLICATION, 0L);
DFSTestUtil.createFile(fs, barFile2, FILE_LEN, REPLICATION, 0L);
final String invalidPolicyName = "INVALID-POLICY";
try {
fs.setStoragePolicy(fooFile, invalidPolicyName);
Assert.fail("Should throw a HadoopIllegalArgumentException");
} catch (RemoteException e) {
GenericTestUtils.assertExceptionContains(invalidPolicyName, e);
}
// check internal status
INodeFile fooFileNode = fsdir.getINode4Write(fooFile.toString()).asFile();
INodeFile barFile1Node = fsdir.getINode4Write(barFile1.toString()).asFile();
INodeFile barFile2Node = fsdir.getINode4Write(barFile2.toString()).asFile();
final Path invalidPath = new Path("/invalidPath");
try {
fs.setStoragePolicy(invalidPath, "WARM");
Assert.fail("Should throw a FileNotFoundException");
} catch (FileNotFoundException e) {
GenericTestUtils.assertExceptionContains(invalidPath.toString(), e);
}
fs.setStoragePolicy(fooFile, "COLD");
fs.setStoragePolicy(barFile1, "WARM");
fs.setStoragePolicy(barFile2, "WARM");
// TODO: set storage policy on a directory
// check internal status
Assert.assertEquals(COLD, fooFileNode.getStoragePolicyID());
Assert.assertEquals(WARM, barFile1Node.getStoragePolicyID());
Assert.assertEquals(WARM, barFile2Node.getStoragePolicyID());
// restart namenode to make sure the editlog is correct
cluster.restartNameNode(true);
fsdir = cluster.getNamesystem().getFSDirectory();
fooFileNode = fsdir.getINode4Write(fooFile.toString()).asFile();
Assert.assertEquals(COLD, fooFileNode.getStoragePolicyID());
barFile1Node = fsdir.getINode4Write(barFile1.toString()).asFile();
Assert.assertEquals(WARM, barFile1Node.getStoragePolicyID());
barFile2Node = fsdir.getINode4Write(barFile2.toString()).asFile();
Assert.assertEquals(WARM, barFile2Node.getStoragePolicyID());
// restart namenode with checkpoint to make sure the fsimage is correct
fs.setSafeMode(SafeModeAction.SAFEMODE_ENTER);
fs.saveNamespace();
fs.setSafeMode(SafeModeAction.SAFEMODE_LEAVE);
cluster.restartNameNode(true);
fsdir = cluster.getNamesystem().getFSDirectory();
fooFileNode = fsdir.getINode4Write(fooFile.toString()).asFile();
Assert.assertEquals(COLD, fooFileNode.getStoragePolicyID());
barFile1Node = fsdir.getINode4Write(barFile1.toString()).asFile();
Assert.assertEquals(WARM, barFile1Node.getStoragePolicyID());
barFile2Node = fsdir.getINode4Write(barFile2.toString()).asFile();
Assert.assertEquals(WARM, barFile2Node.getStoragePolicyID());
} finally {
if (cluster != null) {
cluster.shutdown();
}
}
}
}