[HDDS-7375] [Snapshot] Implement `ozone fs` command for creating snapshot

• Type: Sub-task
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 1.3.0
• Fix Version/s: HDDS-6517-Snapshot
• Component/s: Ozone CLI
• Labels: ozone-snapshot pull-request-available
• Assignee: Hemant Kumar
• Reporter: Jyotirmoy Sinha
• Created: 21/Oct/22 10:05
• Updated: 17/Nov/22 00:37
• Resolved: 17/Nov/22 00:37

Description

Snapshot commands under 'ozone fs' package do not work 

• -createSnapshot <snapshotDir> [<snapshotName>]
• -deleteSnapshot <snapshotDir> <snapshotName>
• -renameSnapshot <snapshotDir> <oldName> <newName>

Error :

bash-4.2$ ozone fs -createSnapshot o3fs://buck1.vol1 snap1
-createSnapshot: Fatal internal error
java.lang.UnsupportedOperationException: OzoneFileSystem doesn't support createSnapshot
    at org.apache.hadoop.fs.FileSystem.createSnapshot(FileSystem.java:2961)
    at org.apache.hadoop.fs.shell.SnapshotCommands$CreateSnapshot.processArguments(SnapshotCommands.java:87)
    at org.apache.hadoop.fs.shell.FsCommand.processRawArguments(FsCommand.java:121)
    at org.apache.hadoop.fs.shell.Command.run(Command.java:177)
    at org.apache.hadoop.fs.FsShell.run(FsShell.java:327)
    at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:76)
    at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:90)
    at org.apache.hadoop.fs.ozone.OzoneFsShell.main(OzoneFsShell.java:83) 

Issue Links

• links to: GitHub Pull Request #3937