qa/cephfs: set joinable on FS before exiting tests in TestFSFail

After running TestFSFail, CephFSTestCase.tearDown() fails attempting
to unmount CephFS. Set joinable on FS and wait for the MDS to be up
before exiting the test. This will ensure that unmounting is
successful in teardown.

Fixes: https://tracker.ceph.com/issues/65841
Signed-off-by: Rishabh Dave <ridave@redhat.com>
(cherry picked from commit faa30e03f31551a71ebb8330dbbe7005d9ddd559)

diff --git a/qa/tasks/cephfs/test_admin.py b/qa/tasks/cephfs/test_admin.py
index 5ac104819950c57ef789aeb40217405fbe25e317..8a2719fc5c64b12ae5f41223e43cbcdb2712def7 100644 (file)
--- a/qa/tasks/cephfs/test_admin.py
+++ b/qa/tasks/cephfs/test_admin.py
@@ -2165,6 +2165,11 @@ class TestFSFail(TestAdminCommands):
                               retval=1, errmsgs=errmsg)
         self.run_ceph_cmd(f'fs fail {self.fs.name} --yes-i-really-mean-it')
 
+        # Bring and wait for MDS to be up since it is needed for unmounting
+        # of CephFS in CephFSTestCase.tearDown() to be successful.
+        self.fs.set_joinable()
+        self.fs.wait_for_daemons()
+
     def test_with_health_warn_trim(self):
         '''
         Test that, when health warning MDS_TRIM is present for an MDS, command
@@ -2189,6 +2194,11 @@ class TestFSFail(TestAdminCommands):
                               retval=1, errmsgs=errmsg)
         self.run_ceph_cmd(f'fs fail {self.fs.name} --yes-i-really-mean-it')
 
+        # Bring and wait for MDS to be up since it is needed for unmounting
+        # of CephFS in CephFSTestCase.tearDown() to be successful.
+        self.fs.set_joinable()
+        self.fs.wait_for_daemons()
+
     def test_with_health_warn_with_2_active_MDSs(self):
         '''
         Test that, when a CephFS has 2 active MDSs and one of them have either
@@ -2213,6 +2223,11 @@ class TestFSFail(TestAdminCommands):
                               retval=1, errmsgs=errmsg)
         self.run_ceph_cmd(f'fs fail {self.fs.name} --yes-i-really-mean-it')
 
+        # Bring and wait for MDS to be up since it is needed for unmounting
+        # of CephFS in CephFSTestCase.tearDown() to be successful.
+        self.fs.set_joinable()
+        self.fs.wait_for_daemons()
+
 
 class TestMDSFail(TestAdminCommands):