openstack/charm-openstack-hypervisor
Code Issues Proposed changes

Stop services for goneaway events for relations

Browse Source 
Implement stop-services function for the charm.
For relations amqp, ovsdb-cms, reset the
corresponding snap data.
Add mandatory_relations to openstack-hypervisor
charm.

Depends-On: https://review.opendev.org/c/openstack/charm-ops-sunbeam/+/899012
Change-Id: Ie6a735d4cad281c080e47208cf87f34e50d00fd1
This commit is contained in:
Hemanth Nakkina
2023-10-25 09:46:12 +05:30
parent 29d992410e
commit 8bb62873f1
2 changed files with 23 additions and 4 deletions
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19
src/charm.py
View File

@@ -28,6 +28,8 @@ import socket
import string
from typing import (
List,
Optional,
Set,
)
import charms.operator_libs_linux.v2.snap as snap
@@ -65,6 +67,8 @@ class HypervisorOperatorCharm(sunbeam_charm.OSBaseOperatorCharm):
METADATA_SECRET_KEY = "ovn-metadata-proxy-shared-secret"
DEFAULT_SECRET_LENGTH = 32
mandatory_relations = {"amqp", "identity-credentials", "ovsdb-cms"}
def __init__(self, framework: ops.framework.Framework) -> None:
"""Run constructor."""
super().__init__(framework)
@@ -324,6 +328,21 @@ class HypervisorOperatorCharm(sunbeam_charm.OSBaseOperatorCharm):
self.enable_telemetry = False
self.configure_charm(event)
def stop_services(self, relation: Optional[Set[str]]) -> None:
"""Stop services based on relation goneaway event."""
snap_data = {}
for relation_ in relation:
logger.info(f"In stop_services for relation {relation_}")
if relation_ == "amqp":
logger.debug("Resetting rabbitmq url")
snap_data.update({"rabbitmq.url": ""})
elif relation_ == "ovsdb-cms":
logger.debug("Resetting OVN SB connection")
snap_data.update({"network.ovn-sb-connection": ""})
if snap_data:
self.set_snap_data(snap_data)
if __name__ == "__main__": # pragma: no cover
main(HypervisorOperatorCharm)

8
tests/unit/test_charm.py
View File

@@ -108,11 +108,11 @@ class TestCharm(test_utils.CharmTestCase):
self.socket.getfqdn.return_value = "test.local"
self.initial_setup()
self.harness.set_leader()
test_utils.add_complete_amqp_relation(self.harness)
test_utils.add_complete_identity_credentials_relation(self.harness)
hypervisor_snap_mock.ensure.assert_any_call(
"latest", channel="essex/stable"
)
test_utils.add_complete_amqp_relation(self.harness)
test_utils.add_complete_identity_credentials_relation(self.harness)
metadata = self.harness.charm.metadata_secret()
ovn_cacert = (
test_utils.TEST_CA + "\n" + "\n".join(test_utils.TEST_CHAIN)
@@ -193,11 +193,11 @@ class TestCharm(test_utils.CharmTestCase):
self.socket.getfqdn.return_value = "test.local"
self.initial_setup()
self.harness.set_leader()
test_utils.add_complete_amqp_relation(self.harness)
test_utils.add_complete_identity_credentials_relation(self.harness)
hypervisor_snap_mock.ensure.assert_any_call(
"latest", channel="essex/stable"
)
test_utils.add_complete_amqp_relation(self.harness)
test_utils.add_complete_identity_credentials_relation(self.harness)
metadata = self.harness.charm.metadata_secret()
ovn_cacert = (
test_utils.TEST_CA + "\n" + "\n".join(test_utils.TEST_CHAIN)