620 lines
25 KiB
Python
620 lines
25 KiB
Python
# Copyright 2018 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 unittest import mock
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from kuryr_kubernetes.controller.drivers import network_policy_security_groups
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from kuryr_kubernetes.tests import base as test_base
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from kuryr_kubernetes.tests.unit import kuryr_fixtures as k_fix
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from oslo_config import cfg
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def get_no_match_crd_namespace_obj():
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return {
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"kind": "Namespace",
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"metadata": {
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"annotations": {
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"openstack.org/kuryr-namespace-label": '{"name": "dev"}',
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"openstack.org/kuryr-net-crd": "ns-dev"
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},
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"labels": {"name": "prod"},
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"name": "prod"}}
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def get_match_crd_namespace_obj():
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return {
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"kind": "Namespace",
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"metadata": {
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"annotations": {
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"openstack.org/kuryr-namespace-label": '{"name": "dev"}',
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"openstack.org/kuryr-net-crd": "ns-dev"
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},
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"labels": {
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"name": "dev"
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},
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"name": "dev"}}
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def get_match_crd_pod_obj():
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return {
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'kind': 'Pod',
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'metadata': {
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'name': mock.sentinel.pod_name,
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'namespace': 'dev',
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'labels': {
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'tier': 'backend'},
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'annotations': {
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'openstack.org/kuryr-pod-label': '{"tier": "backend"}'}},
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'status': {'podIP': mock.sentinel.podIP}}
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def get_sg_rule():
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pod_ip = get_match_crd_pod_obj()['status'].get('podIP')
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return {
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"namespace": 'dev',
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"sgRule": {
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"description": "Kuryr-Kubernetes NetPolicy SG rule",
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"direction": "ingress",
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"ethertype": "IPv4",
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"id": 'f15ff50a-e8a4-4872-81bf-a04cbb8cb388',
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"port_range_max": 6379,
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"port_range_min": 6379,
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"protocol": "tcp",
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"remote_ip_prefix": pod_ip,
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"security_group_id": '36923e76-026c-422b-8dfd-7292e7c88228'}}
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def get_matched_crd_obj():
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return {
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"kind": "KuryrNetworkPolicy",
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"metadata": {"name": "np-test-network-policy",
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"namespace": "default"},
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"spec": {
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"egressSgRules": [],
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"ingressSgRules": [get_sg_rule()],
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"networkpolicy_spec": {
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"ingress": [
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{"from": [
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{"namespaceSelector": {
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"matchLabels": {"name": "dev"}}}],
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"ports": [
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{"port": 6379,
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"protocol": "TCP"}]}],
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"podSelector": {"matchLabels": {"app": "demo"}},
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"policyTypes": ["Ingress"]},
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"podSelector": {"matchLabels": {"app": "demo"}},
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"securityGroupId": '36923e76-026c-422b-8dfd-7292e7c88228'}}
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def get_crd_obj_no_match():
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return {
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"kind": "KuryrNetPolicy",
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"metadata": {"name": "np-test-network-policy",
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"namespace": "default"},
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"spec": {
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"egressSgRules": [],
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"ingressSgRules": [],
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"networkpolicy_spec": {
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"ingress": [
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{"from": [
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{"namespaceSelector": {
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"matchLabels": {"name": "dev"}}}],
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"ports": [
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{"port": 6379,
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"protocol": "TCP"}]}],
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"podSelector": {"matchLabels": {"app": "demo"}},
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"policyTypes": ["Ingress"]},
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"podSelector": {"matchLabels": {"app": "demo"}},
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"securityGroupId": '36923e76-026c-422b-8dfd-7292e7c88228'}}
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def get_crd_obj_with_all_selectors():
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return {
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"kind": "KuryrNetPolicy",
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"metadata": {"name": "np-test-network-policy",
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"namespace": "default"},
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"spec": {
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"egressSgRules": [],
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"ingressSgRules": [],
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"networkpolicy_spec": {
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"ingress": [
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{"from": [
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{"namespaceSelector": {
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"matchLabels": {"name": "dev"}},
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"podSelector": {
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"matchLabels": {"tier": "backend"}}}],
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"ports": [
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{"port": 6379,
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"protocol": "TCP"}]}],
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"podSelector": {"matchLabels": {"app": "demo"}},
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"policyTypes": ["Ingress"]},
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"podSelector": {"matchLabels": {"app": "demo"}},
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"securityGroupId": '36923e76-026c-422b-8dfd-7292e7c88228'}}
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class TestNetworkPolicySecurityGroupsDriver(test_base.TestCase):
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def setUp(self):
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super(TestNetworkPolicySecurityGroupsDriver, self).setUp()
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self._project_id = mock.sentinel.project_id
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self._sg_id = mock.sentinel.sg_id
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self._sg_id2 = mock.sentinel._sg_id2
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self._namespace = 'default'
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self._crd = {
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'metadata': {'name': mock.sentinel.name},
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'spec': {
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'egressSgRules': [
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{'sgRule':
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{'description': 'Kuryr-Kubernetes NetPolicy SG rule',
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'direction': 'egress',
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'ethertype': 'IPv4',
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'port_range_max': 5978,
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'port_range_min': 5978,
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'protocol': 'tcp',
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'security_group_id': self._sg_id,
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'id': mock.sentinel.id
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}}],
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'ingressSgRules': [
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{'sgRule':
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{'description': 'Kuryr-Kubernetes NetPolicy SG rule',
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'direction': 'ingress',
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'ethertype': 'IPv4',
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'port_range_max': 6379,
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'port_range_min': 6379,
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'protocol': 'tcp',
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'security_group_id': self._sg_id,
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'id': mock.sentinel.id
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}}],
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'podSelector': {
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'matchExpressions': [
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{
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'key': 'environment',
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'operator': 'In',
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'values': [
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'production']}],
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'matchLabels': {
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'run': 'demo'
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}}},
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'status': {
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'securityGroupId': self._sg_id,
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},
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}
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self._crd2 = {
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'metadata': {'name': mock.sentinel.name3},
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'spec': {
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'ingressSgRules': [
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{'sgRule':
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{'description': 'Kuryr-Kubernetes NetPolicy SG rule',
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'direction': 'ingress',
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'ethertype': 'IPv4',
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'port_range_max': 8080,
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'port_range_min': 8080,
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'protocol': 'tcp',
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'security_group_id': self._sg_id2,
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'id': mock.sentinel.id
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}}],
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'podSelector': {}},
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'status': {
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'securityGroupId': self._sg_id2,
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'securityGroupName': mock.sentinel.sg_name}}
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self._crds = [self._crd]
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self._multiple_crds = [self._crd, self._crd2]
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self._pod = {
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'apiVersion': 'v1',
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'kind': 'Pod',
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'metadata': {
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'name': mock.sentinel.pod_name,
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'namespace': self._namespace,
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'labels': {
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'run': 'demo',
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'environment': 'production'}},
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'spec': {
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'containers': [{
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'image': 'quay.io/kuryr/demo',
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'imagePullPolicy': 'Always',
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'name': mock.sentinel.pod_name
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}]
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}}
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self._pod2 = {
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'apiVersion': 'v1',
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'kind': 'Pod',
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'metadata': {
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'name': mock.sentinel.pod_name,
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'namespace': self._namespace,
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'labels': {
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'run': 'demo',
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'environment': 'development'},
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'annotations': {
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'openstack.org/kuryr-pod-label': '{'
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'"run": "demo","environment": "development"}'}},
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'spec': {
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'containers': [{
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'image': 'quay.io/kuryr/demo',
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'imagePullPolicy': 'Always',
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'name': mock.sentinel.pod_name
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}]
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}}
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self._pod_without_label = {
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'apiVersion': 'v1',
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'kind': 'Pod',
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'metadata': {
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'name': mock.sentinel.pod_name,
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'namespace': self._namespace},
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'spec': {
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'containers': [{
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'image': 'quay.io/kuryr/demo',
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'imagePullPolicy': 'Always',
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'name': mock.sentinel.pod_name
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}]
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}}
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self.kubernetes = self.useFixture(k_fix.MockK8sClient()).client
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self._driver = (
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network_policy_security_groups.NetworkPolicySecurityGroupsDriver())
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self._pod_ip = mock.sentinel.pod_ip
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self._pod_dev_namespace = {
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'apiVersion': 'v1',
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'kind': 'Pod',
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'metadata': {
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'name': mock.sentinel.pod_name,
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'namespace': 'dev',
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'labels': {
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'tier': 'backend'},
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'annotations': {
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'openstack.org/kuryr-pod-label': '{"tier": "backend"}'}},
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'spec': {
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'containers': [{
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'image': 'quay.io/kuryr/demo',
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'imagePullPolicy': 'Always',
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'name': mock.sentinel.pod_name
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}]},
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'status': {'podIP': self._pod_ip}}
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self._crd_sg_id = mock.sentinel.crd_sg_id
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self._sg_rule_body = {
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'sgRule': {
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'direction': 'ingress',
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'protocol': 'tcp',
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'description': 'Kuryr-Kubernetes NetPolicy SG rule',
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'ethertype': 'IPv4',
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'port_range_max': 6379,
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'security_group_id': self._crd_sg_id,
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'port_range_min': 6379,
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'remote_ip_prefix': self._pod_ip}}
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self._new_rule_id = mock.sentinel.id
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self._crd_with_rule = {
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"apiVersion": "openstack.org/v1",
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"kind": "KuryrNetPolicy",
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"metadata": {"name": "np-test-network-policy",
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"namespace": "default"},
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"spec": {
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"egressSgRules": [],
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"ingressSgRules": [{
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"sgRule": {
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"description": "Kuryr-Kubernetes NetPolicy SG rule",
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"direction": "ingress",
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"ethertype": "IPv4",
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"id": self._new_rule_id,
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"port_range_max": 6379,
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"port_range_min": 6379,
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"protocol": "tcp",
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"remote_ip_prefix": self._pod_ip,
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"security_group_id": self._crd_sg_id}}],
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"networkpolicy_spec": {
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"ingress": [
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{"from": [
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{"namespaceSelector": {
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"matchLabels": {"name": "dev"}},
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"podSelector": {
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"matchLabels": {"tier": "backend"}}}],
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"ports": [
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{"port": 6379,
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"protocol": "TCP"}]}],
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"podSelector": {"matchLabels": {"app": "demo"}},
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"policyTypes": ["Ingress"]},
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"podSelector": {"matchLabels": {"app": "demo"}},
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"securityGroupId": self._crd_sg_id}}
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@mock.patch('kuryr_kubernetes.controller.drivers.utils.'
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'match_selector', return_value=True)
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@mock.patch('kuryr_kubernetes.controller.drivers.utils.get_pod_ip')
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def test__create_sg_rules(self, m_get_pod_ip,
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m_match_selector):
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sgr_id = mock.sentinel.sgr_id
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crd = get_crd_obj_with_all_selectors()
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pod = get_match_crd_pod_obj()
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m_get_pod_ip.return_value = pod['status'].get('podIP')
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matched = False
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new_sg_rule = self._sg_rule_body
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policy = crd['spec']['networkpolicy_spec']
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rule_list = policy.get('ingress', None)
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pod_ns = pod['metadata']['namespace']
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for rule_block in rule_list:
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for rule in rule_block.get('from', []):
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pod_selector = rule.get('podSelector')
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matched = network_policy_security_groups._create_sg_rules(
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crd, pod, pod_selector, rule_block, 'ingress', matched)
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new_sg_rule['namespace'] = pod_ns
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new_sg_rule['sgRule']['id'] = sgr_id
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m_match_selector.assert_called_once_with(
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pod_selector, pod['metadata']['labels'])
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m_get_pod_ip.assert_called_once_with(pod)
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self.assertEqual(matched, True)
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@mock.patch('kuryr_kubernetes.controller.drivers.utils.'
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'get_pod_ip')
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@mock.patch('kuryr_kubernetes.controller.drivers.utils.'
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'match_selector', return_value=False)
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def test__create_sg_rules_no_match(self, m_match_selector, m_get_pod_ip):
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crd = get_crd_obj_with_all_selectors()
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pod = self._pod2
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policy = crd['spec']['networkpolicy_spec']
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rule_list = policy.get('ingress', None)
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for rule_block in rule_list:
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for rule in rule_block.get('from', []):
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pod_selector = rule.get('podSelector')
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matched = network_policy_security_groups._create_sg_rules(
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crd, pod, pod_selector, rule_block, 'ingress', False)
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self.assertEqual(matched, False)
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@mock.patch('kuryr_kubernetes.controller.drivers.'
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'network_policy_security_groups._bump_networkpolicy')
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@mock.patch('kuryr_kubernetes.controller.drivers.utils.'
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'get_kuryrnetworkpolicy_crds')
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@mock.patch('kuryr_kubernetes.controller.drivers.utils.get_pod_ip')
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def test_delete_sg_rules(self, m_get_pod_ip, m_get_knp_crds, m_bump):
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crd = self._crd_with_rule
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m_get_pod_ip.return_value = self._pod_ip
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m_get_knp_crds.return_value = [crd]
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pod = self._pod_dev_namespace
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self._driver.delete_sg_rules(pod)
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m_get_knp_crds.assert_called_once()
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m_get_pod_ip.assert_called_once_with(pod)
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m_bump.assert_called_once()
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@mock.patch('kuryr_kubernetes.config.CONF')
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@mock.patch('kuryr_kubernetes.controller.drivers.utils.'
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'get_kuryrnetworkpolicy_crds')
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def test_get_sgs_for_pod_without_label(self, m_get_crds, m_cfg):
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m_get_crds.return_value = self._crds
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sg_list = [str(mock.sentinel.sg_id)]
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m_cfg.neutron_defaults.pod_security_groups = sg_list
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sgs = self._driver.get_security_groups(self._pod_without_label,
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self._project_id)
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m_get_crds.assert_called_once_with(namespace=self._namespace)
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self.assertEqual(sg_list, sgs)
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@mock.patch('kuryr_kubernetes.controller.drivers.utils.'
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'match_expressions')
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@mock.patch('kuryr_kubernetes.controller.drivers.utils.'
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'match_labels')
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@mock.patch('kuryr_kubernetes.controller.drivers.utils.'
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'get_kuryrnetworkpolicy_crds')
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def test_get_sgs_for_pod_with_label(self, m_get_crds, m_match_labels,
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m_match_expressions):
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m_get_crds.return_value = self._crds
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m_match_expressions.return_value = True
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m_match_labels.return_value = True
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pod_labels = self._pod['metadata']['labels']
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resp = self._driver.get_security_groups(self._pod, self._project_id)
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m_get_crds.assert_called_once_with(namespace=self._namespace)
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m_match_expressions.assert_called_once_with(
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self._crd['spec']['podSelector']['matchExpressions'], pod_labels)
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m_match_labels.assert_called_once_with(
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self._crd['spec']['podSelector']['matchLabels'], pod_labels)
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self.assertEqual(resp, [self._sg_id])
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@mock.patch('kuryr_kubernetes.config.CONF')
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@mock.patch('kuryr_kubernetes.controller.drivers.utils.'
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'match_expressions')
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@mock.patch('kuryr_kubernetes.controller.drivers.utils.'
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'match_labels')
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@mock.patch('kuryr_kubernetes.controller.drivers.utils.'
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'get_kuryrnetworkpolicy_crds')
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def test_get_sgs_for_pod_with_label_no_match(self, m_get_crds,
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m_match_labels,
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m_match_expressions, m_cfg):
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m_get_crds.return_value = self._crds
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m_match_expressions.return_value = False
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m_match_labels.return_value = True
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sg_list = [mock.sentinel.sg_id]
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m_cfg.neutron_defaults.pod_security_groups = sg_list
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pod_labels = self._pod2['metadata']['labels']
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sgs = self._driver.get_security_groups(self._pod2, self._project_id)
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m_get_crds.assert_called_once_with(namespace=self._namespace)
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m_match_expressions.assert_called_once_with(
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self._crd['spec']['podSelector']['matchExpressions'], pod_labels)
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m_match_labels.assert_called_once_with(
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self._crd['spec']['podSelector']['matchLabels'], pod_labels)
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self.assertEqual(sg_list, sgs)
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@mock.patch('kuryr_kubernetes.controller.drivers.utils.'
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'get_kuryrnetworkpolicy_crds')
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def test_get_sgs_no_crds(self, m_get_crds):
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m_get_crds.return_value = []
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cfg.CONF.set_override('pod_security_groups', [],
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group='neutron_defaults')
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self.assertRaises(cfg.RequiredOptError,
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self._driver.get_security_groups, self._pod,
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self._project_id)
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m_get_crds.assert_called_with(namespace=self._namespace)
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@mock.patch('kuryr_kubernetes.controller.drivers.utils.'
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'match_expressions')
|
|
@mock.patch('kuryr_kubernetes.controller.drivers.utils.'
|
|
'match_labels')
|
|
@mock.patch('kuryr_kubernetes.controller.drivers.utils.'
|
|
'get_kuryrnetworkpolicy_crds')
|
|
def test_get_sgs_multiple_crds(self, m_get_crds, m_match_labels,
|
|
m_match_expressions):
|
|
m_match_expressions.return_value = True
|
|
m_match_labels.return_value = True
|
|
m_get_crds.return_value = self._multiple_crds
|
|
|
|
resp = self._driver.get_security_groups(self._pod, self._project_id)
|
|
|
|
m_get_crds.assert_called_once_with(namespace=self._namespace)
|
|
self.assertEqual([self._sg_id, self._sg_id2], resp)
|
|
|
|
@mock.patch('kuryr_kubernetes.controller.drivers.'
|
|
'network_policy_security_groups._bump_networkpolicy')
|
|
@mock.patch('kuryr_kubernetes.controller.drivers.utils.'
|
|
'get_kuryrnetworkpolicy_crds')
|
|
def test_delete_namespace_sg_rule(self, m_get_knp_crd, m_bump):
|
|
cls = network_policy_security_groups.NetworkPolicySecurityGroupsDriver
|
|
m_driver = mock.MagicMock(spec=cls)
|
|
|
|
m_get_knp_crd.return_value = [get_matched_crd_obj()]
|
|
|
|
cls.delete_namespace_sg_rules(m_driver, get_match_crd_namespace_obj())
|
|
|
|
m_get_knp_crd.assert_called_once()
|
|
m_bump.assert_called_once()
|
|
|
|
@mock.patch('kuryr_kubernetes.controller.drivers.'
|
|
'network_policy_security_groups._bump_networkpolicy')
|
|
@mock.patch('kuryr_kubernetes.controller.drivers.utils.'
|
|
'delete_security_group_rule')
|
|
@mock.patch('kuryr_kubernetes.controller.drivers.utils.'
|
|
'get_kuryrnetworkpolicy_crds')
|
|
def test_delete_namespace_sg_rule_no_match(
|
|
self, m_get_knp_crd, m_delete_sg_rule, m_bump):
|
|
cls = network_policy_security_groups.NetworkPolicySecurityGroupsDriver
|
|
m_driver = mock.MagicMock(spec=cls)
|
|
|
|
m_get_knp_crd.return_value = [get_matched_crd_obj()]
|
|
|
|
cls.delete_namespace_sg_rules(m_driver,
|
|
get_no_match_crd_namespace_obj())
|
|
|
|
m_get_knp_crd.assert_called_once()
|
|
m_delete_sg_rule.assert_not_called()
|
|
m_bump.assert_not_called()
|
|
|
|
@mock.patch('kuryr_kubernetes.controller.drivers.utils.get_pods')
|
|
@mock.patch('kuryr_kubernetes.controller.drivers.utils.match_selector')
|
|
def test__parse_rules(self, m_match_selector, m_get_pods):
|
|
crd = get_crd_obj_no_match()
|
|
policy = crd['spec']['networkpolicy_spec']
|
|
i_rule = policy.get('ingress')[0]
|
|
ns_selector = i_rule['from'][0].get('namespaceSelector')
|
|
ns = get_match_crd_namespace_obj()
|
|
|
|
m_match_selector.return_value = True
|
|
|
|
matched = network_policy_security_groups._parse_rules(
|
|
'ingress', crd, policy, namespace=ns)
|
|
|
|
m_match_selector.assert_called_once_with(ns_selector,
|
|
ns['metadata']['labels'])
|
|
|
|
self.assertEqual(matched, True)
|
|
|
|
@mock.patch('kuryr_kubernetes.controller.drivers.utils.match_selector')
|
|
def test__parse_rules_no_match(self, m_match_selector):
|
|
crd = get_crd_obj_no_match()
|
|
policy = crd['spec']['networkpolicy_spec']
|
|
i_rule = policy.get('ingress')[0]
|
|
ns_selector = i_rule['from'][0].get('namespaceSelector')
|
|
ns = get_no_match_crd_namespace_obj()
|
|
|
|
m_match_selector.return_value = False
|
|
|
|
matched = network_policy_security_groups._parse_rules(
|
|
'ingress', crd, policy, namespace=ns)
|
|
|
|
m_match_selector.assert_called_once_with(ns_selector,
|
|
ns['metadata']['labels'])
|
|
|
|
self.assertEqual(matched, False)
|
|
|
|
@mock.patch('kuryr_kubernetes.controller.drivers.utils.get_pods')
|
|
@mock.patch('kuryr_kubernetes.controller.drivers.utils.get_pod_ip')
|
|
@mock.patch('kuryr_kubernetes.controller.drivers.utils.match_selector')
|
|
def test__parse_rules_all_selectors(self, m_match_selector, m_get_pod_ip,
|
|
m_get_pods):
|
|
crd = get_crd_obj_with_all_selectors()
|
|
policy = crd['spec']['networkpolicy_spec']
|
|
i_rule = policy.get('ingress')[0]
|
|
ns_selector = i_rule['from'][0].get('namespaceSelector')
|
|
pod_selector = i_rule['from'][0].get('podSelector')
|
|
ns = get_match_crd_namespace_obj()
|
|
pod = get_match_crd_pod_obj()
|
|
|
|
m_match_selector.return_value = True
|
|
m_get_pod_ip.return_value = pod['status']['podIP']
|
|
m_get_pods.return_value = {"items": [pod]}
|
|
|
|
matched = network_policy_security_groups._parse_rules(
|
|
'ingress', crd, policy, namespace=ns)
|
|
|
|
m_match_selector.assert_called_once_with(ns_selector,
|
|
ns['metadata']['labels'])
|
|
m_get_pods.assert_called_once_with(pod_selector,
|
|
ns['metadata']['name'])
|
|
m_get_pod_ip.assert_called_once_with(pod)
|
|
|
|
self.assertEqual(matched, True)
|
|
|
|
@mock.patch('kuryr_kubernetes.controller.drivers.'
|
|
'network_policy_security_groups._parse_selectors_on_pod')
|
|
def test__parse_rules_multiple_selectors(self, m_parse_selectors_on_pod):
|
|
no_selector = None
|
|
matched_selector = True
|
|
pod = mock.sentinel.pod
|
|
m_parse_selectors_on_pod.side_effect = [matched_selector]*2
|
|
|
|
direction = "ingress"
|
|
pod_selector = mock.sentinel.pod_selector
|
|
namespace_selector = mock.sentinel.namespace_selector
|
|
rule_block = {'from': [{'podSelector': pod_selector},
|
|
{'namespaceSelector': namespace_selector}]}
|
|
policy = {
|
|
"ingress": [rule_block],
|
|
"policyTypes": ["Ingress"]
|
|
}
|
|
crd = {"spec": {"ingressSgRules": []}}
|
|
|
|
matched = network_policy_security_groups._parse_rules(
|
|
direction, crd, policy, pod=pod)
|
|
|
|
calls = [mock.call(crd, pod, pod_selector, no_selector, rule_block,
|
|
direction, not matched_selector),
|
|
mock.call(crd, pod, no_selector, namespace_selector,
|
|
rule_block, direction, matched_selector)]
|
|
m_parse_selectors_on_pod.assert_has_calls(calls)
|
|
|
|
self.assertEqual(matched, matched_selector)
|