org.apache.flink.runtime.jobgraph.JobGraphUtils Maven / Gradle / Ivy
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* Licensed to the Apache Software Foundation (ASF) under one
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* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
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* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.flink.runtime.jobgraph;
import org.apache.flink.api.common.JobID;
import org.apache.flink.api.common.cache.DistributedCache;
import org.apache.flink.core.fs.FileSystem;
import org.apache.flink.core.fs.Path;
import org.apache.flink.util.FileUtils;
import org.apache.flink.util.FlinkRuntimeException;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.io.IOException;
import java.nio.file.Files;
import java.util.HashMap;
import java.util.Map;
/** Utilities for generating {@link JobGraph}. */
public enum JobGraphUtils {
;
private static final Logger LOG = LoggerFactory.getLogger(JobGraphUtils.class);
public static Map prepareUserArtifactEntries(
Map userArtifacts, JobID jobId) {
final Map result = new HashMap<>();
if (userArtifacts != null && !userArtifacts.isEmpty()) {
try {
java.nio.file.Path tmpDir =
Files.createTempDirectory("flink-distributed-cache-" + jobId);
for (Map.Entry originalEntry :
userArtifacts.entrySet()) {
Path filePath = new Path(originalEntry.getValue().filePath);
boolean isLocalDir = false;
try {
FileSystem sourceFs = filePath.getFileSystem();
isLocalDir =
!sourceFs.isDistributedFS()
&& sourceFs.getFileStatus(filePath).isDir();
} catch (IOException ioe) {
LOG.warn(
"Could not determine whether {} denotes a local path.",
filePath,
ioe);
}
// zip local directories because we only support file uploads
DistributedCache.DistributedCacheEntry entry;
if (isLocalDir) {
Path zip =
FileUtils.compressDirectory(
filePath,
new Path(tmpDir.toString(), filePath.getName() + ".zip"));
entry =
new DistributedCache.DistributedCacheEntry(
zip.toString(),
originalEntry.getValue().isExecutable,
true);
} else {
entry =
new DistributedCache.DistributedCacheEntry(
filePath.toString(),
originalEntry.getValue().isExecutable,
false);
}
result.put(originalEntry.getKey(), entry);
}
} catch (IOException ioe) {
throw new FlinkRuntimeException(
"Could not compress distributed-cache artifacts.", ioe);
}
}
return result;
}
}