1 files changed, 84 insertions, 0 deletions
diff --git a/node-admin/src/main/java/com/yahoo/vespa/hosted/node/admin/task/util/fs/ContainerFileSystem.java b/node-admin/src/main/java/com/yahoo/vespa/hosted/node/admin/task/util/fs/ContainerFileSystem.java
new file mode 100644
index 00000000000..393137f795e
--- /dev/null
+++ b/node-admin/src/main/java/com/yahoo/vespa/hosted/node/admin/task/util/fs/ContainerFileSystem.java
@@ -0,0 +1,84 @@
+// 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 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.nio.file.attribute.UserPrincipalLookupService;
+import java.util.Set;
+
+/**
+ * @author valerijf
+ */
+public class ContainerFileSystem extends FileSystem {
+
+    private final ContainerFileSystemProvider containerFsProvider;
+
+    public ContainerFileSystem(ContainerFileSystemProvider containerFsProvider) {
+        this.containerFsProvider = containerFsProvider;
+    }
+
+    @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 UserPrincipalLookupService getUserPrincipalLookupService() {
+        return containerFsProvider.userPrincipalLookupService();
+    }
+
+    @Override
+    public ContainerPath getPath(String first, String... more) {
+        return ContainerPath.fromPathInContainer(this, Path.of(first, more));
+    }
+
+    @Override
+    public void close() throws IOException {
+        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();
+    }
+
+}