org.apache.flink.runtime.clusterframework.overlays.AbstractContainerOverlay Maven / Gradle / Ivy
/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* 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,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.flink.runtime.clusterframework.overlays;
import org.apache.flink.core.fs.Path;
import org.apache.flink.runtime.clusterframework.ContainerSpecification;
import java.io.File;
import java.io.IOException;
import java.nio.file.FileVisitResult;
import java.nio.file.Files;
import java.nio.file.SimpleFileVisitor;
import java.nio.file.attribute.BasicFileAttributes;
/**
* An abstract container overlay.
*/
abstract class AbstractContainerOverlay implements ContainerOverlay {
/**
* Add a path recursively to the container specification.
*
* If the path is a directory, the directory itself (not just its contents) is added to the target path.
*
* The execute bit is preserved; permissions aren't.
*
* @param sourcePath the path to add.
* @param targetPath the target path.
* @param env the specification to mutate.
* @throws IOException
*/
protected void addPathRecursively(
final File sourcePath, final Path targetPath, final ContainerSpecification env) throws IOException {
final java.nio.file.Path sourceRoot = sourcePath.toPath().getParent();
Files.walkFileTree(sourcePath.toPath(), new SimpleFileVisitor() {
@Override
public FileVisitResult visitFile(java.nio.file.Path file, BasicFileAttributes attrs) throws IOException {
java.nio.file.Path relativePath = sourceRoot.relativize(file);
ContainerSpecification.Artifact.Builder artifact = ContainerSpecification.Artifact.newBuilder()
.setSource(new Path(file.toUri()))
.setDest(new Path(targetPath, relativePath.toString()))
.setExecutable(Files.isExecutable(file))
.setCachable(true)
.setExtract(false);
env.getArtifacts().add(artifact.build());
return super.visitFile(file, attrs);
}
});
}
}