1 files changed, 81 insertions, 0 deletions
diff --git a/node-admin/src/main/java/com/yahoo/vespa/hosted/node/admin/task/util/fs/ContainerAttributeViews.java b/node-admin/src/main/java/com/yahoo/vespa/hosted/node/admin/task/util/fs/ContainerAttributeViews.java
new file mode 100644
index 00000000000..c3246843c75
--- /dev/null
+++ b/node-admin/src/main/java/com/yahoo/vespa/hosted/node/admin/task/util/fs/ContainerAttributeViews.java
@@ -0,0 +1,81 @@
+// 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.ProviderMismatchException;
+import java.nio.file.attribute.FileTime;
+import java.nio.file.attribute.GroupPrincipal;
+import java.nio.file.attribute.PosixFileAttributeView;
+import java.nio.file.attribute.PosixFileAttributes;
+import java.nio.file.attribute.PosixFilePermission;
+import java.nio.file.attribute.UserPrincipal;
+import java.util.Map;
+import java.util.Set;
+
+import static com.yahoo.vespa.hosted.node.admin.task.util.fs.ContainerUserPrincipalLookupService.ContainerGroupPrincipal;
+import static com.yahoo.vespa.hosted.node.admin.task.util.fs.ContainerUserPrincipalLookupService.ContainerUserPrincipal;
+
+/**
+ * @author valerijf
+ */
+class ContainerAttributeViews {
+
+    static class ContainerPosixFileAttributeView implements PosixFileAttributeView {
+        private final PosixFileAttributeView posixFileAttributeView;
+        private final ContainerPosixFileAttributes fileAttributes;
+
+        ContainerPosixFileAttributeView(PosixFileAttributeView posixFileAttributeView,
+                                        ContainerPosixFileAttributes fileAttributes) {
+            this.posixFileAttributeView = posixFileAttributeView;
+            this.fileAttributes = fileAttributes;
+        }
+
+        @Override public String name() { return "posix"; }
+        @Override public UserPrincipal getOwner() { return fileAttributes.owner(); }
+        @Override public PosixFileAttributes readAttributes() { return fileAttributes; }
+
+        @Override
+        public void setOwner(UserPrincipal owner) throws IOException {
+            if (!(owner instanceof ContainerUserPrincipal)) throw new ProviderMismatchException();
+            posixFileAttributeView.setOwner(((ContainerUserPrincipal) owner).baseFsPrincipal());
+        }
+
+        @Override
+        public void setGroup(GroupPrincipal group) throws IOException {
+            if (!(group instanceof ContainerGroupPrincipal)) throw new ProviderMismatchException();
+            posixFileAttributeView.setGroup(((ContainerGroupPrincipal) group).baseFsPrincipal());
+        }
+
+        @Override
+        public void setTimes(FileTime lastModifiedTime, FileTime lastAccessTime, FileTime createTime) throws IOException {
+            posixFileAttributeView.setTimes(lastModifiedTime, lastAccessTime, createTime);
+        }
+
+        @Override
+        public void setPermissions(Set<PosixFilePermission> perms) throws IOException {
+            posixFileAttributeView.setPermissions(perms);
+        }
+    }
+
+    static class ContainerPosixFileAttributes implements PosixFileAttributes {
+        private final Map<String, Object> attributes;
+
+        ContainerPosixFileAttributes(Map<String, Object> attributes) {
+            this.attributes = attributes;
+        }
+
+        @SuppressWarnings("unchecked")
+        @Override public Set<PosixFilePermission> permissions() { return (Set<PosixFilePermission>) attributes.get("permissions"); }
+        @Override public ContainerUserPrincipal owner() { return (ContainerUserPrincipal) attributes.get("owner"); }
+        @Override public ContainerGroupPrincipal group() { return (ContainerGroupPrincipal) attributes.get("group"); }
+        @Override public FileTime lastModifiedTime() { return (FileTime) attributes.get("lastModifiedTime"); }
+        @Override public FileTime lastAccessTime() { return (FileTime) attributes.get("lastAccessTime"); }
+        @Override public FileTime creationTime() { return (FileTime) attributes.get("creationTime"); }
+        @Override public boolean isRegularFile() { return (boolean) attributes.get("isRegularFile"); }
+        @Override public boolean isDirectory() { return (boolean) attributes.get("isDirectory"); }
+        @Override public boolean isSymbolicLink() { return (boolean) attributes.get("isSymbolicLink"); }
+        @Override public boolean isOther() { return (boolean) attributes.get("isOther"); }
+        @Override public long size() { return (long) attributes.get("size"); }
+        @Override public Object fileKey() { return attributes.get("fileKey"); }
+    }
+}