goiri commented on a change in pull request #1478: HDFS-14856 Fetch file ACLs
while mounting external store
URL: https://github.com/apache/hadoop/pull/1478#discussion_r326313103
##########
File path:
hadoop-tools/hadoop-fs2img/src/main/java/org/apache/hadoop/hdfs/server/namenode/UGIResolver.java
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@@ -132,4 +138,134 @@ public FsPermission permission(FileStatus s) {
return s.getPermission();
}
+ private long resolve(AclStatus aclStatus) {
+ return buildPermissionStatus(
+ user(aclStatus), group(aclStatus), permission(aclStatus).toShort());
+ }
+
+ /**
+ * Get the locally mapped user for external {@link AclStatus}.
+ *
+ * @param aclStatus AclStatus on external store.
+ * @return locally mapped user name.
+ */
+ public String user(AclStatus aclStatus) {
+ return aclStatus.getOwner();
+ }
+
+ /**
+ * Get the locally mapped group for the external {@link AclStatus}.
+ *
+ * @param aclStatus AclStatus on the external store.
+ * @return locally mapped group name.
+ */
+ public String group(AclStatus aclStatus) {
+ return aclStatus.getGroup();
+ }
+
+ /**
+ * Get the locally mapped {@link FsPermission} for the external
+ * {@link AclStatus}.
+ *
+ * @param aclStatus AclStatus on the external store.
+ * @return local {@link FsPermission} the external AclStatus maps to.
+ */
+ public FsPermission permission(AclStatus aclStatus) {
+ return aclStatus.getPermission();
+ }
+
+ /**
+ * Returns list of Acl entries to apply to local paths based on remote acls.
+ *
+ * @param aclStatus remote ACL status.
+ * @return local HDFS ACL entries.
+ */
+ public List<AclEntry> aclEntries(AclStatus aclStatus) {
Review comment:
static getACLEntries()
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