6c0730fda4
As kuryrnetpolicy CRD objects are namespaced, when a namespace is deleted, the object is deleted by kubernetes as part of the namespace deletion process. This was making network policy driver failing on releasing the network policy as it could not find the object. This patch ensures kuryr-controller doesn't fail in case kubernetes has already deleted the kuryrnetpolicy object by skipping the exception when trying to delete an already deleted object. Closes-Bug: 1816020 Change-Id: I0443b65e5d6897c5d6673c222fc50101c244cd1e
38 lines
1.4 KiB
Python
38 lines
1.4 KiB
Python
# Copyright 2019 Red Hat, Inc.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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from kuryr_kubernetes import constants
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from kuryr_kubernetes.controller.drivers import base as drivers
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from kuryr_kubernetes.handlers import k8s_base
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class KuryrNetPolicyHandler(k8s_base.ResourceEventHandler):
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"""Controller side of KuryrNetPolicy process for Kubernetes pods.
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`KuryrNetPolicyHandler` runs on the Kuryr-Kubernetes controller and is
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responsible for deleting associated security groups upon namespace
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deletion.
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"""
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OBJECT_KIND = constants.K8S_OBJ_KURYRNETPOLICY
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OBJECT_WATCH_PATH = constants.K8S_API_CRD_KURYRNETPOLICIES
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def __init__(self):
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super(KuryrNetPolicyHandler, self).__init__()
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self._drv_policy = drivers.NetworkPolicyDriver.get_instance()
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def on_deleted(self, netpolicy_crd):
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crd_sg = netpolicy_crd['spec'].get('securityGroupId')
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if crd_sg:
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self._drv_policy.delete_np_sg(crd_sg)
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