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HDFS-15090. RBF: MountPoint Listing Should Return Flag Values Of Destination. Contributed by Ayush Saxena.

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This commit is contained in:
Takanobu Asanuma 2020-01-06 18:09:59 +09:00
parent b343e1533b
commit 4a76ab777f
2 changed files with 24 additions and 1 deletions
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6
hadoop-hdfs-project/hadoop-hdfs-rbf/src/main/java/org/apache/hadoop/hdfs/server/federation/router/RouterClientProtocol.java
View File

@ -1921,6 +1921,8 @@ private HdfsFileStatus getMountPointStatus(
FsPermission permission = FsPermission.getDirDefault();
String owner = this.superUser;
String group = this.superGroup;
EnumSet<HdfsFileStatus.Flags> flags =
EnumSet.noneOf(HdfsFileStatus.Flags.class);
if (subclusterResolver instanceof MountTableResolver) {
try {
String mName = name.startsWith("/") ? name : "/" + name;
@ -1940,6 +1942,9 @@ private HdfsFileStatus getMountPointStatus(
owner = fInfo.getOwner();
group = fInfo.getGroup();
childrenNum = fInfo.getChildrenNum();
flags = DFSUtil
.getFlags(fInfo.isEncrypted(), fInfo.isErasureCoded(),
fInfo.isSnapshotEnabled(), fInfo.hasAcl());
}
}
} catch (IOException e) {
@ -1971,6 +1976,7 @@ private HdfsFileStatus getMountPointStatus(
.path(DFSUtil.string2Bytes(name))
.fileId(inodeId)
.children(childrenNum)
.flags(flags)
.build();
}

19
hadoop-hdfs-project/hadoop-hdfs-rbf/src/test/java/org/apache/hadoop/hdfs/server/federation/router/TestRouterMountTable.java
View File

@ -37,6 +37,7 @@
import org.apache.hadoop.fs.FileSystem;
import org.apache.hadoop.fs.Path;
import org.apache.hadoop.fs.permission.FsPermission;
import org.apache.hadoop.hdfs.DistributedFileSystem;
import org.apache.hadoop.hdfs.protocol.ClientProtocol;
import org.apache.hadoop.hdfs.protocol.DirectoryListing;
import org.apache.hadoop.hdfs.protocol.HdfsFileStatus;
@ -663,4 +664,20 @@ public void testRenameMountPoint() throws Exception {
nnFs0.delete(new Path("/testrename2"), true);
}
}
}
@Test
public void testListStatusMountPoint() throws Exception {
try {
MountTable addEntry = MountTable.newInstance("/mount/testLsMountEntry",
Collections.singletonMap("ns0", "/testLsMountEntryDest"));
assertTrue(addMountTable(addEntry));
nnFs0.mkdirs(new Path("/testLsMountEntryDest"));
DistributedFileSystem routerDfs = (DistributedFileSystem) routerFs;
Path mountPath = new Path("/mount/testLsMountEntry");
routerDfs.setErasureCodingPolicy(mountPath, "RS-6-3-1024k");
assertTrue(routerDfs.listStatus(new Path("/mount"))[0].isErasureCoded());
} finally {
nnFs0.delete(new Path("/testLsMountEntryDest"), true);
}
}
}