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authorLee Yarwood <lyarwood@redhat.com>2020-05-14 10:49:07 +0100
committerElod Illes <elod.illes@est.tech>2020-08-26 10:24:12 +0200
commit69ae27579d7ac5fdd30efd57dbde62beff86d5ea (patch)
tree507891794fff1c9d2fe85ebfd20fe83e8ffed80d
parent8f7dc3d8700a37956abf567d170ad42863baa4d7 (diff)
downloadnova-69ae27579d7ac5fdd30efd57dbde62beff86d5ea.tar.gz
compute: Allow snapshots to be created from PAUSED volume backed instances
Iabeb44f843c3c04f767c4103038fcf6c52966ff3 allowed snapshots to be created from PAUSED non-volume backed instances but missed the volume backed use case. This change simply adds PAUSED to the list of acceptable vm_states when creating a snapshot from a volume backed instance in addition to the already supported ACTIVE, STOPPED and SUSPENDED vm_states. Closes-Bug: #1878583 Change-Id: I9f95a054de9d43ecaa50ff7ffc9343490e212d53 (cherry picked from commit cfde53e4b402e71d7f53b6e0ab232854dba160dc) (cherry picked from commit a270eeeb9b1a65045c3a8bf3cfad5eee6415f63c) (cherry picked from commit c93ca609568bac73210f39207c821867620b2f0e) (cherry picked from commit 04a8399f1d0ce38bb3089c6c4cb3e11da924b2ae) (cherry picked from commit 35c1846d5cbdf10b08de1ffcd454a67662d32917)
-rw-r--r--nova/compute/api.py2
-rw-r--r--nova/tests/unit/compute/test_compute_api.py5
2 files changed, 6 insertions, 1 deletions
diff --git a/nova/compute/api.py b/nova/compute/api.py
index 6f1ff7c48e..e756cdd1ba 100644
--- a/nova/compute/api.py
+++ b/nova/compute/api.py
@@ -2938,7 +2938,7 @@ class API(base.Base):
# NOTE(melwitt): We don't check instance lock for snapshot because lock is
# intended to prevent accidental change/delete of instances
@check_instance_state(vm_state=[vm_states.ACTIVE, vm_states.STOPPED,
- vm_states.SUSPENDED])
+ vm_states.PAUSED, vm_states.SUSPENDED])
def snapshot_volume_backed(self, context, instance, name,
extra_properties=None):
"""Snapshot the given volume-backed instance.
diff --git a/nova/tests/unit/compute/test_compute_api.py b/nova/tests/unit/compute/test_compute_api.py
index a1c8de7f33..ed44e4b343 100644
--- a/nova/tests/unit/compute/test_compute_api.py
+++ b/nova/tests/unit/compute/test_compute_api.py
@@ -3415,6 +3415,11 @@ class _ComputeAPIUnitTestMixIn(object):
quiesce_unsupported=True,
vm_state=vm_states.SUSPENDED)
+ def test_snapshot_volume_backed_with_pause(self):
+ self._test_snapshot_volume_backed(quiesce_required=False,
+ quiesce_unsupported=True,
+ vm_state=vm_states.PAUSED)
+
@mock.patch.object(context, 'set_target_cell')
@mock.patch.object(objects.BlockDeviceMapping, 'get_by_volume')
def test_get_bdm_by_volume_id(self, mock_get_by_volume,