From 7c0d31e52cea90e65152996024cabfa8a8fd299f Mon Sep 17 00:00:00 2001
From: Kotresh HR <khiremat@redhat.com>
Date: Wed, 12 Jan 2022 15:07:13 +0530
Subject: [PATCH] qa: Add tests snapshot clone failure with quota

Fixes: https://tracker.ceph.com/issues/53848
Signed-off-by: Kotresh HR <khiremat@redhat.com>
---
 qa/tasks/cephfs/test_volumes.py | 34 +++++++++++++++++++++++++++++++++
 1 file changed, 34 insertions(+)

diff --git a/qa/tasks/cephfs/test_volumes.py b/qa/tasks/cephfs/test_volumes.py
index 9052b578906c6..6d3d3dfda3abb 100644
--- a/qa/tasks/cephfs/test_volumes.py
+++ b/qa/tasks/cephfs/test_volumes.py
@@ -3733,6 +3733,40 @@ class TestSubvolumeSnapshotClones(TestVolumesHelper):
         # verify trash dir is clean
         self._wait_for_trash_empty()
 
+    def test_subvolume_snapshot_clone_quota_exceeded(self):
+        subvolume = self._generate_random_subvolume_name()
+        snapshot = self._generate_random_snapshot_name()
+        clone = self._generate_random_clone_name()
+
+        # create subvolume with 20MB quota
+        osize = self.DEFAULT_FILE_SIZE*1024*1024*20
+        self._fs_cmd("subvolume", "create", self.volname, subvolume,"--mode=777", "--size", str(osize))
+
+        # do IO, write 50 files of 1MB each to exceed quota. This mostly succeeds as quota enforcement takes time.
+        self._do_subvolume_io(subvolume, number_of_files=50)
+
+        # snapshot subvolume
+        self._fs_cmd("subvolume", "snapshot", "create", self.volname, subvolume, snapshot)
+
+        # schedule a clone
+        self._fs_cmd("subvolume", "snapshot", "clone", self.volname, subvolume, snapshot, clone)
+
+        # check clone status
+        self._wait_for_clone_to_complete(clone)
+
+        # verify clone
+        self._verify_clone(subvolume, snapshot, clone)
+
+        # remove snapshot
+        self._fs_cmd("subvolume", "snapshot", "rm", self.volname, subvolume, snapshot)
+
+        # remove subvolumes
+        self._fs_cmd("subvolume", "rm", self.volname, subvolume)
+        self._fs_cmd("subvolume", "rm", self.volname, clone)
+
+        # verify trash dir is clean
+        self._wait_for_trash_empty()
+
     def test_subvolume_snapshot_in_complete_clone_rm(self):
         """
         Validates the removal of clone when it is not in 'complete|cancelled|failed' state.
-- 
2.39.5