@Test
public void testDeleteMissing() {
TaskAttemptContext taskAttemptContext = getTaskAttemptContext(config);
JobContext jobContext =
new JobContextImpl(
taskAttemptContext.getConfiguration(),
taskAttemptContext.getTaskAttemptID().getJobID());
Configuration conf = jobContext.getConfiguration();
String sourceBase;
String targetBase;
FileSystem fs = null;
try {
OutputCommitter committer = new CopyCommitter(null, taskAttemptContext);
fs = FileSystem.get(conf);
sourceBase = TestDistCpUtils.createTestSetup(fs, FsPermission.getDefault());
targetBase = TestDistCpUtils.createTestSetup(fs, FsPermission.getDefault());
String targetBaseAdd = TestDistCpUtils.createTestSetup(fs, FsPermission.getDefault());
fs.rename(new Path(targetBaseAdd), new Path(targetBase));
DistCpOptions options =
new DistCpOptions(Arrays.asList(new Path(sourceBase)), new Path("/out"));
options.setSyncFolder(true);
options.setDeleteMissing(true);
options.appendToConf(conf);
CopyListing listing = new GlobbedCopyListing(conf, CREDENTIALS);
Path listingFile = new Path("/tmp1/" + String.valueOf(rand.nextLong()));
listing.buildListing(listingFile, options);
conf.set(DistCpConstants.CONF_LABEL_TARGET_WORK_PATH, targetBase);
conf.set(DistCpConstants.CONF_LABEL_TARGET_FINAL_PATH, targetBase);
committer.commitJob(jobContext);
if (!TestDistCpUtils.checkIfFoldersAreInSync(fs, targetBase, sourceBase)) {
Assert.fail("Source and target folders are not in sync");
}
if (!TestDistCpUtils.checkIfFoldersAreInSync(fs, sourceBase, targetBase)) {
Assert.fail("Source and target folders are not in sync");
}
// Test for idempotent commit
committer.commitJob(jobContext);
if (!TestDistCpUtils.checkIfFoldersAreInSync(fs, targetBase, sourceBase)) {
Assert.fail("Source and target folders are not in sync");
}
if (!TestDistCpUtils.checkIfFoldersAreInSync(fs, sourceBase, targetBase)) {
Assert.fail("Source and target folders are not in sync");
}
} catch (Throwable e) {
LOG.error("Exception encountered while testing for delete missing", e);
Assert.fail("Delete missing failure");
} finally {
TestDistCpUtils.delete(fs, "/tmp1");
conf.set(DistCpConstants.CONF_LABEL_DELETE_MISSING, "false");
}
}
@Test
public void testPreserveStatus() {
TaskAttemptContext taskAttemptContext = getTaskAttemptContext(config);
JobContext jobContext =
new JobContextImpl(
taskAttemptContext.getConfiguration(),
taskAttemptContext.getTaskAttemptID().getJobID());
Configuration conf = jobContext.getConfiguration();
String sourceBase;
String targetBase;
FileSystem fs = null;
try {
OutputCommitter committer = new CopyCommitter(null, taskAttemptContext);
fs = FileSystem.get(conf);
FsPermission sourcePerm = new FsPermission((short) 511);
FsPermission initialPerm = new FsPermission((short) 448);
sourceBase = TestDistCpUtils.createTestSetup(fs, sourcePerm);
targetBase = TestDistCpUtils.createTestSetup(fs, initialPerm);
DistCpOptions options =
new DistCpOptions(Arrays.asList(new Path(sourceBase)), new Path("/out"));
options.preserve(FileAttribute.PERMISSION);
options.appendToConf(conf);
CopyListing listing = new GlobbedCopyListing(conf, CREDENTIALS);
Path listingFile = new Path("/tmp1/" + String.valueOf(rand.nextLong()));
listing.buildListing(listingFile, options);
conf.set(DistCpConstants.CONF_LABEL_TARGET_WORK_PATH, targetBase);
committer.commitJob(jobContext);
if (!checkDirectoryPermissions(fs, targetBase, sourcePerm)) {
Assert.fail("Permission don't match");
}
// Test for idempotent commit
committer.commitJob(jobContext);
if (!checkDirectoryPermissions(fs, targetBase, sourcePerm)) {
Assert.fail("Permission don't match");
}
} catch (IOException e) {
LOG.error("Exception encountered while testing for preserve status", e);
Assert.fail("Preserve status failure");
} finally {
TestDistCpUtils.delete(fs, "/tmp1");
}
}
@Test
public void testNoCommitAction() {
TaskAttemptContext taskAttemptContext = getTaskAttemptContext(config);
JobContext jobContext =
new JobContextImpl(
taskAttemptContext.getConfiguration(),
taskAttemptContext.getTaskAttemptID().getJobID());
try {
OutputCommitter committer = new CopyCommitter(null, taskAttemptContext);
committer.commitJob(jobContext);
Assert.assertEquals(taskAttemptContext.getStatus(), "Commit Successful");
// Test for idempotent commit
committer.commitJob(jobContext);
Assert.assertEquals(taskAttemptContext.getStatus(), "Commit Successful");
} catch (IOException e) {
LOG.error("Exception encountered ", e);
Assert.fail("Commit failed");
}
}
@Test
public void testAtomicCommitExistingFinal() {
TaskAttemptContext taskAttemptContext = getTaskAttemptContext(config);
JobContext jobContext =
new JobContextImpl(
taskAttemptContext.getConfiguration(),
taskAttemptContext.getTaskAttemptID().getJobID());
Configuration conf = jobContext.getConfiguration();
String workPath = "/tmp1/" + String.valueOf(rand.nextLong());
String finalPath = "/tmp1/" + String.valueOf(rand.nextLong());
FileSystem fs = null;
try {
OutputCommitter committer = new CopyCommitter(null, taskAttemptContext);
fs = FileSystem.get(conf);
fs.mkdirs(new Path(workPath));
fs.mkdirs(new Path(finalPath));
conf.set(DistCpConstants.CONF_LABEL_TARGET_WORK_PATH, workPath);
conf.set(DistCpConstants.CONF_LABEL_TARGET_FINAL_PATH, finalPath);
conf.setBoolean(DistCpConstants.CONF_LABEL_ATOMIC_COPY, true);
Assert.assertTrue(fs.exists(new Path(workPath)));
Assert.assertTrue(fs.exists(new Path(finalPath)));
try {
committer.commitJob(jobContext);
Assert.fail("Should not be able to atomic-commit to pre-existing path.");
} catch (Exception exception) {
Assert.assertTrue(fs.exists(new Path(workPath)));
Assert.assertTrue(fs.exists(new Path(finalPath)));
LOG.info("Atomic-commit Test pass.");
}
} catch (IOException e) {
LOG.error("Exception encountered while testing for atomic commit.", e);
Assert.fail("Atomic commit failure");
} finally {
TestDistCpUtils.delete(fs, workPath);
TestDistCpUtils.delete(fs, finalPath);
}
}