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https://issues.apache.org/jira/browse/HDFS-16132?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Stephen O'Donnell resolved HDFS-16132.
--------------------------------------
Resolution: Won't Fix
Closing this as it is no longer relevant after HDFS-16144 reverted HDFS-15372.
> SnapshotDiff report fails with invalid path assertion with external Attribute
> provider
> --------------------------------------------------------------------------------------
>
> Key: HDFS-16132
> URL: https://issues.apache.org/jira/browse/HDFS-16132
> Project: Hadoop HDFS
> Issue Type: Bug
> Reporter: Shashikant Banerjee
> Assignee: Shashikant Banerjee
> Priority: Major
>
> The issue can be reproduced with the below unit test:
> {code:java}
> diff --git
> a/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/TestINodeAttributeProvider.java
>
> b/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/TestINodeAttributeProvider.java
> index 512d1029835..27b80882766 100644
> ---
> a/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/TestINodeAttributeProvider.java
> +++
> b/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/TestINodeAttributeProvider.java
> @@ -36,6 +36,7 @@
> import org.apache.hadoop.hdfs.DistributedFileSystem;
> import org.apache.hadoop.hdfs.HdfsConfiguration;
> import org.apache.hadoop.hdfs.MiniDFSCluster;
> +import org.apache.hadoop.hdfs.DFSTestUtil;
> import org.apache.hadoop.security.AccessControlException;
> import org.apache.hadoop.security.UserGroupInformation;
> import org.apache.hadoop.util.Lists;
> @@ -89,7 +90,7 @@ public void checkPermissionWithContext(
> AuthorizationContext authzContext) throws AccessControlException {
> if (authzContext.getAncestorIndex() > 1
> && authzContext.getInodes()[1].getLocalName().equals("user")
> - && authzContext.getInodes()[2].getLocalName().equals("acl")) {
> + && authzContext.getInodes()[2].getLocalName().equals("acl") ||
> runPermissionCheck) {
> this.ace.checkPermissionWithContext(authzContext);
> }
> CALLED.add("checkPermission|" + authzContext.getAncestorAccess()
> @@ -598,6 +599,55 @@ public Void run() throws Exception {
> return null;
> }
> });
> + }
>
> + @Test
> + public void testAttrProviderSeesResolvedSnapahotPaths1() throws Exception {
> + runPermissionCheck = true;
> + FileSystem fs = FileSystem.get(miniDFS.getConfiguration(0));
> + DistributedFileSystem hdfs = miniDFS.getFileSystem();
> + final Path parent = new Path("/user");
> + hdfs.mkdirs(parent);
> + fs.setPermission(parent, new FsPermission(HDFS_PERMISSION));
> + final Path sub1 = new Path(parent, "sub1");
> + final Path sub1foo = new Path(sub1, "foo");
> + hdfs.mkdirs(sub1);
> + hdfs.mkdirs(sub1foo);
> + Path f = new Path(sub1foo, "file0");
> + DFSTestUtil.createFile(hdfs, f, 0, (short) 1, 0);
> + hdfs.allowSnapshot(parent);
> + hdfs.createSnapshot(parent, "s0");
> +
> + f = new Path(sub1foo, "file1");
> + DFSTestUtil.createFile(hdfs, f, 0, (short) 1, 0);
> + f = new Path(sub1foo, "file2");
> + DFSTestUtil.createFile(hdfs, f, 0, (short) 1, 0);
> +
> + final Path sub2 = new Path(parent, "sub2");
> + hdfs.mkdirs(sub2);
> + final Path sub2foo = new Path(sub2, "foo");
> + // mv /parent/sub1/foo to /parent/sub2/foo
> + hdfs.rename(sub1foo, sub2foo);
> +
> + hdfs.createSnapshot(parent, "s1");
> + hdfs.createSnapshot(parent, "s2");
> +
> + final Path sub3 = new Path(parent, "sub3");
> + hdfs.mkdirs(sub3);
> + // mv /parent/sub2/foo to /parent/sub3/foo
> + hdfs.rename(sub2foo, sub3);
> +
> + hdfs.delete(sub3, true);
> + UserGroupInformation ugi =
> + UserGroupInformation.createUserForTesting("u1", new String[] { "g1"
> });
> + ugi.doAs(new PrivilegedExceptionAction<Void>() {
> + @Override
> + public Void run() throws Exception {
> + FileSystem fs = FileSystem.get(miniDFS.getConfiguration(0));
> + ((DistributedFileSystem)fs).getSnapshotDiffReport(parent, "s1",
> "s2");
> + CALLED.clear();
> + return null;
> + }
> + });
> }
> }
> {code}
> It fails with the below error when executed:
> {code:java}
> org.apache.hadoop.ipc.RemoteException(java.lang.AssertionError): Absolute
> path required, but got
> 'foo'org.apache.hadoop.ipc.RemoteException(java.lang.AssertionError):
> Absolute path required, but got 'foo' at
> org.apache.hadoop.hdfs.server.namenode.INode.checkAbsolutePath(INode.java:838)
> at
> org.apache.hadoop.hdfs.server.namenode.INode.getPathComponents(INode.java:813)
> at
> org.apache.hadoop.hdfs.server.namenode.INodesInPath.resolveFromRoot(INodesInPath.java:154)
> at
> org.apache.hadoop.hdfs.server.namenode.FSPermissionChecker.getINodeAttrs(FSPermissionChecker.java:447)
> at
> org.apache.hadoop.hdfs.server.namenode.FSPermissionChecker.checkSubAccess(FSPermissionChecker.java:507)
> at
> org.apache.hadoop.hdfs.server.namenode.FSPermissionChecker.checkPermission(FSPermissionChecker.java:403)
> at
> org.apache.hadoop.hdfs.server.namenode.FSPermissionChecker.checkPermissionWithContext(FSPermissionChecker.java:417)
> at
> org.apache.hadoop.hdfs.server.namenode.TestINodeAttributeProvider$MyAuthorizationProvider$MyAccessControlEnforcer.checkPermissionWithContext(TestINodeAttributeProvider.java:94)
> at
> org.apache.hadoop.hdfs.server.namenode.FSPermissionChecker.checkPermission(FSPermissionChecker.java:297)
> at
> org.apache.hadoop.hdfs.server.namenode.FSDirectory.checkPermission(FSDirectory.java:1951)
> at
> org.apache.hadoop.hdfs.server.namenode.FSDirectory.checkPermission(FSDirectory.java:1932)
> at
> org.apache.hadoop.hdfs.server.namenode.FSDirSnapshotOp.checkSubtreeReadPermission(FSDirSnapshotOp.java:317)
> at
> org.apache.hadoop.hdfs.server.namenode.FSDirSnapshotOp.getSnapshotDiffReportListing(FSDirSnapshotOp.java:208)
> at
> org.apache.hadoop.hdfs.server.namenode.FSNamesystem.getSnapshotDiffReportListing(FSNamesystem.java:7238)
> at
> org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.getSnapshotDiffReportListing(NameNodeRpcServer.java:2045){code}
> This is a regression with https://issues.apache.org/jira/browse/HDFS-15372.
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