Public bug reported:
[Impact]
When deleting a cluster (k8s) and the load balancer associated to it has
already been deleted, a 404 error is returned by Heat which raises a
heatclient.exc.HTTPNotFound exception.
Full stack trace:
[req-7a8d257d-9cca-4d2d-b108-de8f33f60ae1 - - - - -] Exception during message
handling: magnum.common.exception.PreDeletionFailed: Failed to pre-delete
resources for cluster 6d553e2f-74bb-4dbe-9fd1-1a123b76530b, error: ERROR: The
Stack (37032d90-66f1-41dd-b584-67d10f438bd9) could not be found..
Traceback (most recent call last):
File "/usr/lib/python3/dist-packages/magnum/common/octavia.py", line 109, in
delete_loadbalancers
lb_resources = heat_client.resources.list(
File "/usr/lib/python3/dist-packages/heatclient/v1/resources.py", line 70, in
list
return self._list(url, "resources")
File "/usr/lib/python3/dist-packages/heatclient/common/base.py", line 114, in
_list
body = self.client.get(url).json()
File "/usr/lib/python3/dist-packages/heatclient/common/http.py", line 289, in
get
return self.client_request("GET", url, **kwargs)
File "/usr/lib/python3/dist-packages/heatclient/common/http.py", line 282, in
client_request
resp, body = self.json_request(method, url, **kwargs)
File "/usr/lib/python3/dist-packages/heatclient/common/http.py", line 271, in
json_request
resp = self._http_request(url, method, **kwargs)
File "/usr/lib/python3/dist-packages/heatclient/common/http.py", line 234, in
_http_request
raise exc.from_response(resp)
heatclient.exc.HTTPNotFound: ERROR: The Stack
(37032d90-66f1-41dd-b584-67d10f438bd9) could not be found.
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File "/usr/lib/python3/dist-packages/oslo_messaging/rpc/server.py", line 165,
in _process_incoming
res = self.dispatcher.dispatch(message)
File "/usr/lib/python3/dist-packages/oslo_messaging/rpc/dispatcher.py", line
276, in dispatch
return self._do_dispatch(endpoint, method, ctxt, args)
File "/usr/lib/python3/dist-packages/oslo_messaging/rpc/dispatcher.py", line
196, in _do_dispatch
result = func(ctxt, **new_args)
File
"/usr/lib/python3/dist-packages/magnum/conductor/handlers/cluster_conductor.py",
line 191, in cluster_delete
cluster_driver.delete_cluster(context, cluster)
File "/usr/lib/python3/dist-packages/magnum/drivers/heat/driver.py", line
162, in delete_cluster
self.pre_delete_cluster(context, cluster)
File "/usr/lib/python3/dist-packages/magnum/drivers/heat/driver.py", line
307, in pre_delete_cluster
octavia.delete_loadbalancers(context, cluster)
File "/usr/lib/python3/dist-packages/magnum/common/octavia.py", line 130, in
delete_loadbalancers
raise exception.PreDeletionFailed(cluster_uuid=cluster.uuid,
magnum.common.exception.PreDeletionFailed: Failed to pre-delete resources for
cluster 6d553e2f-74bb-4dbe-9fd1-1a123b76530b, error: ERROR: The Stack
(37032d90-66f1-41dd-b584-67d10f438bd9) could not be found..
2024-03-12 14:38:35.878 3553570 ERROR oslo_messaging.rpc.server
[ Test Plan ]
TBD
[ Where problems could occur ]
TBD
[Other Info]
This issue has been fixed in Magnum by commit
https://opendev.org/openstack/magnum/commit/4888f706c8a0280971df398cbc1ff06ad5d63e7f
( https://review.opendev.org/c/openstack/magnum/+/818563 ), this was
released in Magnum-14.0.0 (Yoga release) and backported to 13.1.0
(Xena), and even when it was backported into the stable/wallaby branch (
https://review.opendev.org/c/openstack/magnum/+/820334 ), no releases
were cut after it was merged
** Affects: cloud-archive
Importance: Undecided
Status: Invalid
** Affects: cloud-archive/ussuri
Importance: Undecided
Status: New
** Affects: cloud-archive/victoria
Importance: Undecided
Status: New
** Affects: cloud-archive/wallaby
Importance: Undecided
Status: New
** Affects: magnum (Ubuntu)
Importance: Undecided
Status: Invalid
** Affects: magnum (Ubuntu Focal)
Importance: Undecided
Assignee: Felipe Reyes (freyes)
Status: New
** Also affects: magnum (Ubuntu Focal)
Importance: Undecided
Status: New
** Changed in: magnum (Ubuntu)
Status: New => Invalid
** Changed in: magnum (Ubuntu Focal)
Assignee: (unassigned) => Felipe Reyes (freyes)
** Also affects: cloud-archive
Importance: Undecided
Status: New
** Also affects: cloud-archive/victoria
Importance: Undecided
Status: New
** Also affects: cloud-archive/wallaby
Importance: Undecided
Status: New
** Also affects: cloud-archive/ussuri
Importance: Undecided
Status: New
** Changed in: cloud-archive
Status: New => Invalid
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https://bugs.launchpad.net/bugs/2064190
Title:
Failed to pre-delete resources for cluster XXXX
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