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HDFS-11913. Ozone: TestKeySpaceManager#testDeleteVolume fails. Contributed by Weiwei Yang.

This commit is contained in:
Anu Engineer 2017-06-02 00:48:39 -07:00
parent f289e8e737
commit 5cdd880078
2 changed files with 38 additions and 19 deletions
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12
hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/ozone/ksm/MetadataManagerImpl.java
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@ -201,10 +201,14 @@ public class MetadataManagerImpl implements MetadataManager {
byte[] dbVolumeRootKey = DFSUtil.string2Bytes(dbVolumeRootName);
// Seek to the root of the volume and look for the next key
iterator.seek(dbVolumeRootKey);
String firstBucketKey = DFSUtil.bytes2String(iterator.next().getKey());
// if the key starts with /<volume name>
// then there is at least one bucket
return !firstBucketKey.startsWith(OzoneConsts.KSM_VOLUME_PREFIX + volume);
if (iterator.hasNext()) {
String firstBucketKey = DFSUtil.bytes2String(iterator.next().getKey());
// if the key starts with /<volume name>/
// then there is at least one bucket
return !firstBucketKey.startsWith(dbVolumeRootName);
} else {
return true;
}
}
}
}

45
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/ozone/ksm/TestKeySpaceManager.java
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@ -187,26 +187,41 @@ public class TestKeySpaceManager {
String userName = "user" + RandomStringUtils.randomNumeric(5);
String adminName = "admin" + RandomStringUtils.randomNumeric(5);
String volumeName = "volume" + RandomStringUtils.randomNumeric(5);
String volumeName1 = volumeName + "_A";
String volumeName2 = volumeName + "_AA";
VolumeArgs volumeArgs = null;
VolumeInfo volumeInfo = null;
VolumeArgs createVolumeArgs = new VolumeArgs(volumeName, userArgs);
createVolumeArgs.setUserName(userName);
createVolumeArgs.setAdminName(adminName);
storageHandler.createVolume(createVolumeArgs);
// Create 2 empty volumes with same prefix.
volumeArgs = new VolumeArgs(volumeName1, userArgs);
volumeArgs.setUserName(userName);
volumeArgs.setAdminName(adminName);
storageHandler.createVolume(volumeArgs);
VolumeArgs getVolumeArgs = new VolumeArgs(volumeName, userArgs);
VolumeInfo retVolumeInfo = storageHandler.getVolumeInfo(getVolumeArgs);
Assert.assertTrue(retVolumeInfo.getVolumeName().equals(volumeName));
Assert.assertTrue(retVolumeInfo.getOwner().getName().equals(userName));
volumeArgs = new VolumeArgs(volumeName2, userArgs);
volumeArgs.setUserName(userName);
volumeArgs.setAdminName(adminName);
storageHandler.createVolume(volumeArgs);
volumeArgs = new VolumeArgs(volumeName1, userArgs);
volumeInfo = storageHandler.getVolumeInfo(volumeArgs);
Assert.assertTrue(volumeInfo.getVolumeName().equals(volumeName1));
Assert.assertTrue(volumeInfo.getOwner().getName().equals(userName));
Assert.assertEquals(0, ksmMetrics.getNumVolumeCreateFails());
storageHandler.deleteVolume(createVolumeArgs);
// Volume with _A should be able to delete as it is empty.
storageHandler.deleteVolume(volumeArgs);
try {
retVolumeInfo = storageHandler.getVolumeInfo(getVolumeArgs);
} catch (IOException ex) {
Assert.assertEquals(ex.getMessage(),
"Info Volume failed, error:VOLUME_NOT_FOUND");
}
// Make sure volume with _AA suffix still exists.
volumeArgs = new VolumeArgs(volumeName2, userArgs);
volumeInfo = storageHandler.getVolumeInfo(volumeArgs);
Assert.assertTrue(volumeInfo.getVolumeName().equals(volumeName2));
// Make sure volume with _A suffix is successfully deleted.
exception.expect(IOException.class);
exception.expectMessage("Info Volume failed, error:VOLUME_NOT_FOUND");
volumeArgs = new VolumeArgs(volumeName1, userArgs);
storageHandler.getVolumeInfo(volumeArgs);
}
// Create a volume and a bucket inside the volume,