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// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.vespa.hosted.node.admin.task.util.fs;
import com.yahoo.vespa.hosted.node.admin.nodeagent.UserScope;
import java.io.IOException;
import java.nio.file.FileStore;
import java.nio.file.FileSystem;
import java.nio.file.Path;
import java.nio.file.PathMatcher;
import java.nio.file.WatchService;
import java.util.Set;
/**
* @author freva
*/
public class ContainerFileSystem extends FileSystem {
private final ContainerFileSystemProvider containerFsProvider;
private final Path containerRootOnHost;
ContainerFileSystem(ContainerFileSystemProvider containerFsProvider, Path containerRootOnHost) {
this.containerFsProvider = containerFsProvider;
this.containerRootOnHost = containerRootOnHost;
}
public Path containerRootOnHost() {
return containerRootOnHost;
}
public void createRoot() {
provider().createFileSystemRoot();
}
@Override
public ContainerFileSystemProvider provider() {
return containerFsProvider;
}
@Override
public boolean isOpen() {
return true;
}
@Override
public boolean isReadOnly() {
return false;
}
@Override
public String getSeparator() {
return "/";
}
@Override
public Set<String> supportedFileAttributeViews() {
return Set.of("basic", "posix", "unix", "owner");
}
@Override
public ContainerUserPrincipalLookupService getUserPrincipalLookupService() {
return containerFsProvider.userPrincipalLookupService();
}
@Override
public ContainerPath getPath(String first, String... more) {
return ContainerPath.fromPathInContainer(this, Path.of(first, more), getUserPrincipalLookupService().userScope().root());
}
@Override
public void close() {
throw new UnsupportedOperationException();
}
@Override
public Iterable<Path> getRootDirectories() {
throw new UnsupportedOperationException();
}
@Override
public Iterable<FileStore> getFileStores() {
throw new UnsupportedOperationException();
}
@Override
public PathMatcher getPathMatcher(String syntaxAndPattern) {
throw new UnsupportedOperationException();
}
@Override
public WatchService newWatchService() {
throw new UnsupportedOperationException();
}
public static ContainerFileSystem create(Path containerStorageRoot, UserScope userScope) {
return new ContainerFileSystemProvider(containerStorageRoot, userScope).getFileSystem(null);
}
}
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