907 lines
35 KiB
Python
907 lines
35 KiB
Python
# Copyright 2018 AWCloud Software Co., Ltd
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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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import mock
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import testtools
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import yaml
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from oslo_config import cfg
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from qinling import config
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from qinling import exceptions as exc
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from qinling.orchestrator.kubernetes import manager as k8s_manager
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from qinling.tests.unit import base
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from qinling.utils import common
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CONF = cfg.CONF
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SERVICE_PORT = 9090
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SERVICE_ADDRESS_EXTERNAL = '1.2.3.4'
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SERVICE_ADDRESS_INTERNAL = '127.0.0.1'
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class TestKubernetesManager(base.DbTestCase):
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def setUp(self):
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super(TestKubernetesManager, self).setUp()
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self.conf = CONF
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self.qinling_endpoint = 'http://127.0.0.1:7070'
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self.rlimit = {
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'cpu': cfg.CONF.resource_limits.default_cpu,
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'memory_size': cfg.CONF.resource_limits.default_memory
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}
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self.k8s_v1_api = mock.Mock()
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self.k8s_v1_ext = mock.Mock()
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clients = {'v1': self.k8s_v1_api,
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'v1extension': self.k8s_v1_ext}
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mock.patch(
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'qinling.orchestrator.kubernetes.utils.get_k8s_clients',
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return_value=clients
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).start()
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self.fake_namespace = self.rand_name('namespace', prefix=self.prefix)
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self.override_config('namespace', self.fake_namespace,
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config.KUBERNETES_GROUP)
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self.override_config('auth_enable', False, group='pecan')
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namespace = mock.Mock()
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namespace.metadata.name = self.fake_namespace
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namespaces = mock.Mock()
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namespaces.items = [namespace]
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self.k8s_v1_api.list_namespace.return_value = namespaces
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network_policy = mock.Mock()
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network_policy.metadata.name = 'disable-interpods-connections'
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network_policies = mock.Mock()
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network_policies.items = [network_policy]
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self.k8s_v1_ext.list_namespaced_network_policy.return_value = (
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network_policies
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)
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self.manager = k8s_manager.KubernetesManager(self.conf,
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self.qinling_endpoint)
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def _create_service(self):
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port = mock.Mock()
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port.node_port = SERVICE_PORT
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service = mock.Mock()
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service.spec.ports = [port]
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return service
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def _create_nodes_with_external_ip(self):
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addr1 = mock.Mock()
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addr1.type = 'UNKNOWN TYPE'
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addr2 = mock.Mock()
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addr2.type = 'ExternalIP'
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addr2.address = SERVICE_ADDRESS_EXTERNAL
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item = mock.Mock()
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item.status.addresses = [addr1, addr2]
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nodes = mock.Mock()
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nodes.items = [item]
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return nodes
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def _create_nodes_with_internal_ip(self):
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addr1 = mock.Mock()
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addr1.type = 'InternalIP'
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addr1.address = SERVICE_ADDRESS_INTERNAL
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addr2 = mock.Mock()
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addr2.type = 'UNKNOWN TYPE'
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item = mock.Mock()
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item.status.addresses = [addr1, addr2]
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nodes = mock.Mock()
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nodes.items = [item]
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return nodes
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def test__ensure_namespace(self):
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# self.manager is not used in this test.
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namespaces = mock.Mock()
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namespaces.items = []
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self.k8s_v1_api.list_namespace.return_value = namespaces
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k8s_manager.KubernetesManager(self.conf, self.qinling_endpoint)
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namespace_body = {
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'apiVersion': 'v1',
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'kind': 'Namespace',
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'metadata': {
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'name': self.fake_namespace,
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'labels': {
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'name': self.fake_namespace
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}
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},
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}
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# setUp also calls list_namespace.
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self.assertEqual(2, self.k8s_v1_api.list_namespace.call_count)
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self.k8s_v1_api.create_namespace.assert_called_once_with(
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namespace_body)
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def test__ensure_namespace_not_create_namespace(self):
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# self.manager is not used in this test.
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item = mock.Mock()
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item.metadata.name = self.fake_namespace
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namespaces = mock.Mock()
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namespaces.items = [item]
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self.k8s_v1_api.list_namespace.return_value = namespaces
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k8s_manager.KubernetesManager(self.conf, self.qinling_endpoint)
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# setUp also calls list_namespace.
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self.assertEqual(2, self.k8s_v1_api.list_namespace.call_count)
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self.k8s_v1_api.create_namespace.assert_not_called()
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def test__ensure_network_policy(self):
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# self.manager is not used in this test.
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network_policies = mock.Mock()
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network_policies.items = []
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v1ext = self.k8s_v1_ext
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v1ext.list_namespaced_network_policy.return_value = network_policies
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k8s_manager.KubernetesManager(self.conf, self.qinling_endpoint)
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network_policy_body = {
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'apiVersion': 'extensions/v1beta1',
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'kind': 'NetworkPolicy',
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'metadata': {'name': 'disable-interpods-connections'},
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'spec': {'pod_selector': {}}
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}
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v1ext.list_namespaced_network_policy.assert_called_with(
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self.fake_namespace
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)
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v1ext.create_namespaced_network_policy.assert_called_once_with(
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self.fake_namespace, network_policy_body)
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def test__ensure_network_policy_not_create(self):
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# self.manager is not used in this test.
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item = mock.Mock()
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item.metadata.name = 'disable-interpods-connections'
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network_policies = mock.Mock()
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network_policies.items = [item]
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v1ext = self.k8s_v1_ext
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v1ext.list_namespaced_network_policy.return_value = network_policies
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k8s_manager.KubernetesManager(self.conf, self.qinling_endpoint)
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v1ext.list_namespaced_network_policy.assert_called_with(
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self.fake_namespace
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)
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v1ext.create_namespaced_network_policy.assert_not_called()
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def test_create_pool(self):
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ret = mock.Mock()
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ret.status.replicas = 5
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ret.status.available_replicas = 5
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self.k8s_v1_ext.read_namespaced_deployment.return_value = ret
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fake_replicas = 5
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self.override_config('replicas', fake_replicas,
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config.KUBERNETES_GROUP)
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fake_deployment_name = self.rand_name('deployment', prefix=self.prefix)
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fake_image = self.rand_name('image', prefix=self.prefix)
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self.manager.create_pool(fake_deployment_name, fake_image)
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deployment_body = self.manager.deployment_template.render(
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{
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'name': fake_deployment_name,
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'labels': {'runtime_id': fake_deployment_name},
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'replicas': fake_replicas,
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'container_name': 'worker',
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'image': fake_image,
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'sidecar_image': CONF.engine.sidecar_image,
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'trusted': 'true'
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}
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)
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self.k8s_v1_ext.create_namespaced_deployment.assert_called_once_with(
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body=yaml.safe_load(deployment_body),
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namespace=self.fake_namespace)
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self.k8s_v1_ext.read_namespaced_deployment.assert_called_once_with(
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fake_deployment_name, self.fake_namespace)
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def test_create_pool_wait_deployment_available(self):
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ret1 = mock.Mock()
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ret1.status.replicas = 0
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ret2 = mock.Mock()
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ret2.status.replicas = 3
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ret2.status.available_replicas = 1
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ret3 = mock.Mock()
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ret3.status.replicas = 3
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ret3.status.available_replicas = 3
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self.k8s_v1_ext.read_namespaced_deployment.side_effect = [
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ret1, ret2, ret3
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]
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fake_deployment_name = self.rand_name('deployment', prefix=self.prefix)
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fake_image = self.rand_name('image', prefix=self.prefix)
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self.manager.create_pool(fake_deployment_name, fake_image)
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self.assertEqual(
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3, self.k8s_v1_ext.read_namespaced_deployment.call_count)
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@testtools.skip("Default timeout is too long.")
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def test_create_pool_wait_deployment_timeout(self):
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ret = mock.Mock()
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ret.status.replicas = 0
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self.k8s_v1_ext.read_namespaced_deployment.return_value = ret
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fake_deployment_name = self.rand_name('deployment', prefix=self.prefix)
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fake_image = self.rand_name('image', prefix=self.prefix)
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self.assertRaisesRegex(
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exc.OrchestratorException,
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"^Deployment %s not ready\.$" % fake_deployment_name,
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self.manager.create_pool,
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fake_deployment_name, fake_image)
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self.assertLess(
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200, # Default timeout is 600s with wait interval set to 2s.
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self.k8s_v1_ext.read_namespaced_deployment.call_count)
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def test_delete_pool(self):
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# Deleting namespaced service is also tested in this.
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svc1 = mock.Mock()
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svc1_name = self.rand_name('service', prefix=self.prefix)
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svc1.metadata.name = svc1_name
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svc2 = mock.Mock()
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svc2_name = self.rand_name('service', prefix=self.prefix)
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svc2.metadata.name = svc2_name
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services = mock.Mock()
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services.items = [svc1, svc2]
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self.k8s_v1_api.list_namespaced_service.return_value = services
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fake_deployment_name = self.rand_name('deployment', prefix=self.prefix)
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self.manager.delete_pool(fake_deployment_name)
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del_rep = self.k8s_v1_ext.delete_collection_namespaced_replica_set
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del_rep.assert_called_once_with(
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self.fake_namespace,
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label_selector='runtime_id=%s' % fake_deployment_name)
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delete_service_calls = [
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mock.call(svc1_name, self.fake_namespace, mock.ANY),
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mock.call(svc2_name, self.fake_namespace, mock.ANY),
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]
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self.k8s_v1_api.delete_namespaced_service.assert_has_calls(
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delete_service_calls)
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self.assertEqual(
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2, self.k8s_v1_api.delete_namespaced_service.call_count)
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del_dep = self.k8s_v1_ext.delete_collection_namespaced_deployment
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del_dep.assert_called_once_with(
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self.fake_namespace,
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label_selector='runtime_id=%s' % fake_deployment_name,
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field_selector='metadata.name=%s' % fake_deployment_name)
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del_pod = self.k8s_v1_api.delete_collection_namespaced_pod
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del_pod.assert_called_once_with(
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self.fake_namespace,
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label_selector='runtime_id=%s' % fake_deployment_name)
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def test_update_pool(self):
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fake_deployment_name = self.rand_name('deployment', prefix=self.prefix)
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image = self.rand_name('image', prefix=self.prefix)
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body = {
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'spec': {
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'template': {
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'spec': {
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'containers': [
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{
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'name': 'worker',
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'image': image
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}
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]
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}
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}
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}
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}
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ret = mock.Mock()
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ret.status.unavailable_replicas = None
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self.k8s_v1_ext.read_namespaced_deployment.return_value = ret
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update_result = self.manager.update_pool(fake_deployment_name,
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image=image)
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self.assertTrue(update_result)
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self.k8s_v1_ext.patch_namespaced_deployment.assert_called_once_with(
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fake_deployment_name, self.fake_namespace, body)
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read_status = self.k8s_v1_ext.read_namespaced_deployment
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read_status.assert_called_once_with(fake_deployment_name,
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self.fake_namespace)
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def test_update_pool_retry(self):
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fake_deployment_name = self.rand_name('deployment', prefix=self.prefix)
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image = self.rand_name('image', prefix=self.prefix)
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ret1 = mock.Mock()
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ret1.status.unavailable_replicas = 1
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ret2 = mock.Mock()
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ret2.status.unavailable_replicas = None
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self.k8s_v1_ext.read_namespaced_deployment.side_effect = [ret1, ret2]
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update_result = self.manager.update_pool(fake_deployment_name,
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image=image)
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self.assertTrue(update_result)
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self.k8s_v1_ext.patch_namespaced_deployment.assert_called_once_with(
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fake_deployment_name, self.fake_namespace, mock.ANY)
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read_status = self.k8s_v1_ext.read_namespaced_deployment
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self.assertEqual(2, read_status.call_count)
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def test_get_pool(self):
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fake_deployment_name = self.rand_name('deployment', prefix=self.prefix)
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ret = mock.Mock()
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ret.status.replicas = 3
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self.k8s_v1_ext.read_namespaced_deployment.return_value = ret
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list_pod_ret = mock.Mock()
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list_pod_ret.items = [mock.Mock()]
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self.k8s_v1_api.list_namespaced_pod.return_value = list_pod_ret
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pool_info = self.manager.get_pool(fake_deployment_name)
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expected = {"total": 3, "available": 1}
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self.assertEqual(expected, pool_info)
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def test_get_pool_not_ready(self):
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fake_deployment_name = self.rand_name('deployment', prefix=self.prefix)
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ret = mock.Mock()
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ret.status.replicas = None
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self.k8s_v1_ext.read_namespaced_deployment.return_value = ret
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pool_info = self.manager.get_pool(fake_deployment_name)
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expected = {"total": 0, "available": 0}
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self.assertEqual(expected, pool_info)
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def test_prepare_execution_no_image(self):
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pod = mock.Mock()
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pod.metadata.name = self.rand_name('pod', prefix=self.prefix)
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pod.metadata.labels = {'pod1_key1': 'pod1_value1'}
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list_pod_ret = mock.Mock()
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list_pod_ret.items = [pod]
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self.k8s_v1_api.list_namespaced_pod.return_value = list_pod_ret
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self.k8s_v1_api.create_namespaced_service.return_value = (
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self._create_service()
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)
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self.k8s_v1_api.list_node.return_value = (
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self._create_nodes_with_external_ip()
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)
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runtime_id = common.generate_unicode_uuid()
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function_id = common.generate_unicode_uuid()
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pod_names, service_url = self.manager.prepare_execution(
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function_id, 0, rlimit=None, image=None, identifier=runtime_id,
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labels={'runtime_id': runtime_id})
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self.assertEqual(pod.metadata.name, pod_names)
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self.assertEqual(
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'http://%s:%s' % (SERVICE_ADDRESS_EXTERNAL, SERVICE_PORT),
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service_url)
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# in _choose_available_pods
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self.k8s_v1_api.list_namespaced_pod.assert_called_once_with(
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self.fake_namespace,
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label_selector='function_id=%s,function_version=0' % (function_id)
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)
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# in _prepare_pod -> _update_pod_label
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pod_labels = {
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'pod1_key1': 'pod1_value1',
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'function_id': function_id,
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'function_version': '0'
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}
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body = {'metadata': {'labels': pod_labels}}
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self.k8s_v1_api.patch_namespaced_pod.assert_called_once_with(
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pod.metadata.name, self.fake_namespace, body)
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# in _prepare_pod
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service_body = self.manager.service_template.render(
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{
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'service_name': 'service-%s-0' % function_id,
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'labels': {'function_id': function_id,
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'function_version': '0',
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'runtime_id': runtime_id},
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'selector': pod_labels
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}
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)
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self.k8s_v1_api.create_namespaced_service.assert_called_once_with(
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self.fake_namespace, yaml.safe_load(service_body))
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def test_prepare_execution_with_image(self):
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function_id = common.generate_unicode_uuid()
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image = self.rand_name('image', prefix=self.prefix)
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identifier = ('%s-%s' %
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(common.generate_unicode_uuid(dashed=False), function_id)
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)[:63]
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pod_name, url = self.manager.prepare_execution(
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function_id, 0, rlimit=self.rlimit, image=image,
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identifier=identifier)
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self.assertEqual(identifier, pod_name)
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self.assertIsNone(url)
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# in _create_pod
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pod_body = self.manager.pod_template.render(
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{
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'pod_name': identifier,
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'labels': {'function_id': function_id},
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'pod_image': image,
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'input': [],
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'req_cpu': str(cfg.CONF.resource_limits.default_cpu),
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'req_memory': str(cfg.CONF.resource_limits.default_memory),
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'limit_cpu': str(cfg.CONF.resource_limits.default_cpu),
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'limit_memory': str(cfg.CONF.resource_limits.default_memory)
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}
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)
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self.k8s_v1_api.create_namespaced_pod.assert_called_once_with(
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self.fake_namespace, body=yaml.safe_load(pod_body))
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def test_prepare_execution_with_image_function_input(self):
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function_id = common.generate_unicode_uuid()
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image = self.rand_name('image', prefix=self.prefix)
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identifier = ('%s-%s' % (
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common.generate_unicode_uuid(dashed=False),
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function_id)
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)[:63]
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fake_input = {'__function_input': 'input_item1 input_item2'}
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pod_name, url = self.manager.prepare_execution(
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function_id, 0, rlimit=self.rlimit, image=image,
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identifier=identifier, input=fake_input)
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# in _create_pod
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pod_body = self.manager.pod_template.render(
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|
{
|
|
'pod_name': identifier,
|
|
'labels': {'function_id': function_id},
|
|
'pod_image': image,
|
|
'input': ['input_item1', 'input_item2'],
|
|
'req_cpu': str(cfg.CONF.resource_limits.default_cpu),
|
|
'req_memory': str(cfg.CONF.resource_limits.default_memory),
|
|
'limit_cpu': str(cfg.CONF.resource_limits.default_cpu),
|
|
'limit_memory': str(cfg.CONF.resource_limits.default_memory)
|
|
}
|
|
)
|
|
self.k8s_v1_api.create_namespaced_pod.assert_called_once_with(
|
|
self.fake_namespace, body=yaml.safe_load(pod_body))
|
|
|
|
def test_prepare_execution_with_image_json_input(self):
|
|
function_id = common.generate_unicode_uuid()
|
|
image = self.rand_name('image', prefix=self.prefix)
|
|
identifier = ('%s-%s' % (
|
|
common.generate_unicode_uuid(dashed=False),
|
|
function_id)
|
|
)[:63]
|
|
fake_input = '["input_item3", "input_item4"]'
|
|
|
|
pod_name, url = self.manager.prepare_execution(
|
|
function_id, 0, rlimit=self.rlimit, image=image,
|
|
identifier=identifier, input=fake_input)
|
|
|
|
# in _create_pod
|
|
pod_body = self.manager.pod_template.render(
|
|
{
|
|
'pod_name': identifier,
|
|
'labels': {'function_id': function_id},
|
|
'pod_image': image,
|
|
'input': ['input_item3', 'input_item4'],
|
|
'req_cpu': str(cfg.CONF.resource_limits.default_cpu),
|
|
'req_memory': str(cfg.CONF.resource_limits.default_memory),
|
|
'limit_cpu': str(cfg.CONF.resource_limits.default_cpu),
|
|
'limit_memory': str(cfg.CONF.resource_limits.default_memory)
|
|
}
|
|
)
|
|
self.k8s_v1_api.create_namespaced_pod.assert_called_once_with(
|
|
self.fake_namespace, body=yaml.safe_load(pod_body))
|
|
|
|
def test_prepare_execution_not_image_no_worker_available(self):
|
|
ret_pods = mock.Mock()
|
|
ret_pods.items = []
|
|
self.k8s_v1_api.list_namespaced_pod.return_value = ret_pods
|
|
function_id = common.generate_unicode_uuid()
|
|
runtime_id = common.generate_unicode_uuid()
|
|
labels = {'runtime_id': runtime_id}
|
|
|
|
self.assertRaisesRegex(
|
|
exc.OrchestratorException,
|
|
"^Execution preparation failed\.$",
|
|
self.manager.prepare_execution,
|
|
function_id, 0, rlimit=None, image=None,
|
|
identifier=runtime_id, labels=labels)
|
|
|
|
# in _choose_available_pods
|
|
list_calls = [
|
|
mock.call(
|
|
self.fake_namespace,
|
|
label_selector=('function_id=%s,function_version=0' %
|
|
function_id)
|
|
),
|
|
mock.call(
|
|
self.fake_namespace,
|
|
label_selector='!function_id,runtime_id=%s' % runtime_id
|
|
)
|
|
]
|
|
self.k8s_v1_api.list_namespaced_pod.assert_has_calls(list_calls)
|
|
self.assertEqual(2, self.k8s_v1_api.list_namespaced_pod.call_count)
|
|
|
|
def test_prepare_execution_service_already_exists(self):
|
|
pod = mock.Mock()
|
|
pod.metadata.name = self.rand_name('pod', prefix=self.prefix)
|
|
pod.metadata.labels = {'pod1_key1': 'pod1_value1'}
|
|
list_pod_ret = mock.Mock()
|
|
list_pod_ret.items = [pod]
|
|
self.k8s_v1_api.list_namespaced_pod.return_value = list_pod_ret
|
|
exception = RuntimeError()
|
|
exception.status = 409
|
|
self.k8s_v1_api.create_namespaced_service.side_effect = exception
|
|
self.k8s_v1_api.read_namespaced_service.return_value = (
|
|
self._create_service()
|
|
)
|
|
self.k8s_v1_api.list_node.return_value = (
|
|
self._create_nodes_with_external_ip()
|
|
)
|
|
runtime_id = common.generate_unicode_uuid()
|
|
function_id = common.generate_unicode_uuid()
|
|
|
|
pod_names, service_url = self.manager.prepare_execution(
|
|
function_id, 0, rlimit=None, image=None, identifier=runtime_id,
|
|
labels={'runtime_id': runtime_id})
|
|
|
|
# in _prepare_pod
|
|
self.k8s_v1_api.read_namespaced_service.assert_called_once_with(
|
|
'service-%s-0' % function_id, self.fake_namespace)
|
|
|
|
def test_prepare_execution_create_service_failed(self):
|
|
pod = mock.Mock()
|
|
pod.metadata.name = self.rand_name('pod', prefix=self.prefix)
|
|
pod.metadata.labels = None
|
|
ret_pods = mock.Mock()
|
|
ret_pods.items = [pod]
|
|
self.k8s_v1_api.list_namespaced_pod.return_value = ret_pods
|
|
exception = RuntimeError()
|
|
exception.status = 500
|
|
self.k8s_v1_api.create_namespaced_service.side_effect = exception
|
|
function_id = common.generate_unicode_uuid()
|
|
runtime_id = common.generate_unicode_uuid()
|
|
|
|
with mock.patch.object(
|
|
self.manager, 'delete_function'
|
|
) as delete_function_mock:
|
|
self.assertRaisesRegex(
|
|
exc.OrchestratorException,
|
|
'^Execution preparation failed\.$',
|
|
self.manager.prepare_execution,
|
|
function_id, 0, rlimit=None, image=None, identifier=runtime_id,
|
|
labels={'runtime_id': runtime_id})
|
|
|
|
delete_function_mock.assert_called_once_with(
|
|
function_id,
|
|
0,
|
|
{
|
|
'runtime_id': runtime_id,
|
|
'function_id': function_id,
|
|
'function_version': '0'
|
|
}
|
|
)
|
|
|
|
def test_prepare_execution_service_internal_ip(self):
|
|
pod = mock.Mock()
|
|
pod.metadata.name = self.rand_name('pod', prefix=self.prefix)
|
|
pod.metadata.labels = {'pod1_key1': 'pod1_value1'}
|
|
list_pod_ret = mock.Mock()
|
|
list_pod_ret.items = [pod]
|
|
self.k8s_v1_api.list_namespaced_pod.return_value = list_pod_ret
|
|
self.k8s_v1_api.create_namespaced_service.return_value = (
|
|
self._create_service()
|
|
)
|
|
self.k8s_v1_api.list_node.return_value = (
|
|
self._create_nodes_with_internal_ip()
|
|
)
|
|
runtime_id = common.generate_unicode_uuid()
|
|
function_id = common.generate_unicode_uuid()
|
|
|
|
pod_names, service_url = self.manager.prepare_execution(
|
|
function_id, 0, rlimit=None, image=None, identifier=runtime_id,
|
|
labels={'runtime_id': runtime_id})
|
|
|
|
self.assertEqual(pod.metadata.name, pod_names)
|
|
self.assertEqual(
|
|
'http://%s:%s' % (SERVICE_ADDRESS_INTERNAL, SERVICE_PORT),
|
|
service_url)
|
|
|
|
def test_run_execution_image_type_function(self):
|
|
pod = mock.Mock()
|
|
pod.status.phase = 'Succeeded'
|
|
self.k8s_v1_api.read_namespaced_pod.return_value = pod
|
|
fake_output = 'fake output'
|
|
self.k8s_v1_api.read_namespaced_pod_log.return_value = fake_output
|
|
execution_id = common.generate_unicode_uuid()
|
|
function_id = common.generate_unicode_uuid()
|
|
|
|
result, output = self.manager.run_execution(execution_id, function_id,
|
|
0)
|
|
|
|
self.k8s_v1_api.read_namespaced_pod.assert_called_once_with(
|
|
None, self.fake_namespace)
|
|
self.k8s_v1_api.read_namespaced_pod_log.assert_called_once_with(
|
|
None, self.fake_namespace)
|
|
self.assertTrue(result)
|
|
self.assertEqual(fake_output, output)
|
|
|
|
@mock.patch('qinling.engine.utils.url_request')
|
|
def test_run_execution_version_0(self, mock_request):
|
|
mock_request.return_value = (True, 'fake output')
|
|
execution_id = common.generate_unicode_uuid()
|
|
function_id = common.generate_unicode_uuid()
|
|
timeout = 3
|
|
|
|
result, output = self.manager.run_execution(
|
|
execution_id, function_id, 0, rlimit=self.rlimit,
|
|
service_url='FAKE_URL', timeout=timeout
|
|
)
|
|
|
|
download_url = ('http://127.0.0.1:7070/v1/functions/%s?download=true'
|
|
% function_id)
|
|
data = {
|
|
'execution_id': execution_id,
|
|
'cpu': self.rlimit['cpu'],
|
|
'memory_size': self.rlimit['memory_size'],
|
|
'input': None,
|
|
'function_id': function_id,
|
|
'function_version': 0,
|
|
'entry': 'main.main',
|
|
'download_url': download_url,
|
|
'request_id': self.ctx.request_id,
|
|
'timeout': timeout,
|
|
}
|
|
|
|
mock_request.assert_called_once_with(
|
|
self.manager.session, 'FAKE_URL/execute', body=data
|
|
)
|
|
|
|
def test_run_execution_no_service_url_retry(self):
|
|
pod1 = mock.Mock()
|
|
pod1.status.phase = ''
|
|
pod2 = mock.Mock()
|
|
pod2.status.phase = 'Succeeded'
|
|
self.k8s_v1_api.read_namespaced_pod.side_effect = [pod1, pod2]
|
|
fake_output = 'fake output'
|
|
self.k8s_v1_api.read_namespaced_pod_log.return_value = fake_output
|
|
execution_id = common.generate_unicode_uuid()
|
|
function_id = common.generate_unicode_uuid()
|
|
|
|
result, output = self.manager.run_execution(execution_id, function_id,
|
|
0)
|
|
|
|
self.assertEqual(2, self.k8s_v1_api.read_namespaced_pod.call_count)
|
|
self.k8s_v1_api.read_namespaced_pod_log.assert_called_once_with(
|
|
None, self.fake_namespace)
|
|
self.assertTrue(result)
|
|
self.assertEqual(fake_output, output)
|
|
|
|
def test_run_execution_no_service_url_read_pod_exception(self):
|
|
self.k8s_v1_api.read_namespaced_pod.side_effect = RuntimeError
|
|
execution_id = common.generate_unicode_uuid()
|
|
function_id = common.generate_unicode_uuid()
|
|
|
|
result, output = self.manager.run_execution(execution_id, function_id,
|
|
0)
|
|
|
|
self.k8s_v1_api.read_namespaced_pod.assert_called_once_with(
|
|
None, self.fake_namespace)
|
|
self.k8s_v1_api.read_namespaced_pod_log.assert_not_called()
|
|
self.assertFalse(result)
|
|
self.assertEqual({'error': 'Function execution failed.'}, output)
|
|
|
|
def test_delete_function(self):
|
|
# Deleting namespaced service is also tested in this.
|
|
svc1 = mock.Mock()
|
|
svc1_name = self.rand_name('service', prefix=self.prefix)
|
|
svc1.metadata.name = svc1_name
|
|
svc2 = mock.Mock()
|
|
svc2_name = self.rand_name('service', prefix=self.prefix)
|
|
svc2.metadata.name = svc2_name
|
|
services = mock.Mock()
|
|
services.items = [svc1, svc2]
|
|
self.k8s_v1_api.list_namespaced_service.return_value = services
|
|
function_id = common.generate_unicode_uuid()
|
|
|
|
self.manager.delete_function(function_id, 0)
|
|
|
|
args, kwargs = self.k8s_v1_api.list_namespaced_service.call_args
|
|
self.assertIn(self.fake_namespace, args)
|
|
self.assertIn(
|
|
"function_id=%s" % function_id,
|
|
kwargs.get("label_selector")
|
|
)
|
|
self.assertIn(
|
|
"function_version=0",
|
|
kwargs.get("label_selector")
|
|
)
|
|
|
|
delete_service_calls = [
|
|
mock.call(svc1_name, self.fake_namespace, mock.ANY),
|
|
mock.call(svc2_name, self.fake_namespace, mock.ANY)
|
|
]
|
|
self.k8s_v1_api.delete_namespaced_service.assert_has_calls(
|
|
delete_service_calls)
|
|
self.assertEqual(
|
|
2, self.k8s_v1_api.delete_namespaced_service.call_count
|
|
)
|
|
|
|
args, kwargs = self.k8s_v1_api.delete_collection_namespaced_pod. \
|
|
call_args
|
|
self.assertIn(self.fake_namespace, args)
|
|
self.assertIn(
|
|
"function_id=%s" % function_id,
|
|
kwargs.get("label_selector")
|
|
)
|
|
self.assertIn(
|
|
"function_version=0",
|
|
kwargs.get("label_selector")
|
|
)
|
|
|
|
def test_delete_function_with_labels(self):
|
|
services = mock.Mock()
|
|
services.items = []
|
|
labels = {'key1': 'value1', 'key2': 'value2'}
|
|
selector = common.convert_dict_to_string(labels)
|
|
self.k8s_v1_api.list_namespaced_service.return_value = services
|
|
function_id = common.generate_unicode_uuid()
|
|
|
|
self.manager.delete_function(function_id, 0, labels=labels)
|
|
|
|
self.k8s_v1_api.list_namespaced_service.assert_called_once_with(
|
|
self.fake_namespace, label_selector=selector)
|
|
self.k8s_v1_api.delete_namespaced_service.assert_not_called()
|
|
delete_pod = self.k8s_v1_api.delete_collection_namespaced_pod
|
|
delete_pod.assert_called_once_with(
|
|
self.fake_namespace, label_selector=selector)
|
|
|
|
def test_scaleup_function(self):
|
|
pod = mock.Mock()
|
|
pod.metadata.name = self.rand_name('pod', prefix=self.prefix)
|
|
pod.metadata.labels = {'pod1_key1': 'pod1_value1'}
|
|
list_pod_ret = mock.Mock()
|
|
list_pod_ret.items = [pod]
|
|
self.k8s_v1_api.list_namespaced_pod.return_value = list_pod_ret
|
|
self.k8s_v1_api.create_namespaced_service.return_value = (
|
|
self._create_service()
|
|
)
|
|
self.k8s_v1_api.list_node.return_value = (
|
|
self._create_nodes_with_external_ip()
|
|
)
|
|
runtime_id = common.generate_unicode_uuid()
|
|
function_id = common.generate_unicode_uuid()
|
|
|
|
pod_names, service_url = self.manager.scaleup_function(
|
|
function_id, 0, identifier=runtime_id
|
|
)
|
|
|
|
self.assertEqual([pod.metadata.name], pod_names)
|
|
self.assertEqual(
|
|
'http://%s:%s' % (SERVICE_ADDRESS_EXTERNAL, SERVICE_PORT),
|
|
service_url)
|
|
|
|
# in _choose_available_pods
|
|
self.k8s_v1_api.list_namespaced_pod.assert_called_once_with(
|
|
self.fake_namespace,
|
|
label_selector='!function_id,runtime_id=%s' % runtime_id)
|
|
|
|
# in _prepare_pod -> _update_pod_label
|
|
pod_labels = {
|
|
'pod1_key1': 'pod1_value1',
|
|
'function_id': function_id,
|
|
'function_version': '0'
|
|
}
|
|
body = {'metadata': {'labels': pod_labels}}
|
|
self.k8s_v1_api.patch_namespaced_pod.assert_called_once_with(
|
|
pod.metadata.name, self.fake_namespace, body)
|
|
|
|
# in _prepare_pod
|
|
service_body = self.manager.service_template.render(
|
|
{
|
|
'service_name': 'service-%s-0' % function_id,
|
|
'labels': {'function_id': function_id,
|
|
'function_version': 0,
|
|
'runtime_id': runtime_id},
|
|
'selector': pod_labels
|
|
}
|
|
)
|
|
self.k8s_v1_api.create_namespaced_service.assert_called_once_with(
|
|
self.fake_namespace, yaml.safe_load(service_body))
|
|
|
|
def test_scaleup_function_not_enough_workers(self):
|
|
runtime_id = common.generate_unicode_uuid()
|
|
function_id = common.generate_unicode_uuid()
|
|
ret_pods = mock.Mock()
|
|
ret_pods.items = [mock.Mock()]
|
|
self.k8s_v1_api.list_namespaced_pod.return_value = ret_pods
|
|
|
|
self.assertRaisesRegex(
|
|
exc.OrchestratorException,
|
|
"^Not enough workers available\.$",
|
|
self.manager.scaleup_function,
|
|
function_id, 0, identifier=runtime_id, count=2)
|
|
|
|
def test_scaleup_function_service_already_exists(self):
|
|
pod = mock.Mock()
|
|
pod.metadata.name = self.rand_name('pod', prefix=self.prefix)
|
|
pod.metadata.labels = {'pod1_key1': 'pod1_value1'}
|
|
list_pod_ret = mock.Mock()
|
|
list_pod_ret.items = [pod]
|
|
self.k8s_v1_api.list_namespaced_pod.return_value = list_pod_ret
|
|
exception = RuntimeError()
|
|
exception.status = 409
|
|
self.k8s_v1_api.create_namespaced_service.side_effect = exception
|
|
self.k8s_v1_api.read_namespaced_service.return_value = (
|
|
self._create_service()
|
|
)
|
|
self.k8s_v1_api.list_node.return_value = (
|
|
self._create_nodes_with_external_ip()
|
|
)
|
|
runtime_id = common.generate_unicode_uuid()
|
|
function_id = common.generate_unicode_uuid()
|
|
|
|
pod_names, service_url = self.manager.scaleup_function(
|
|
function_id, 0, identifier=runtime_id)
|
|
|
|
# in _prepare_pod
|
|
self.k8s_v1_api.read_namespaced_service.assert_called_once_with(
|
|
'service-%s-0' % function_id, self.fake_namespace)
|
|
|
|
def test_scaleup_function_service_create_failed(self):
|
|
pod = mock.Mock()
|
|
pod.metadata.name = self.rand_name('pod', prefix=self.prefix)
|
|
pod.metadata.labels = None
|
|
list_pod_ret = mock.Mock()
|
|
list_pod_ret.items = [pod]
|
|
self.k8s_v1_api.list_namespaced_pod.return_value = list_pod_ret
|
|
exception = RuntimeError()
|
|
exception.status = 500
|
|
self.k8s_v1_api.create_namespaced_service.side_effect = exception
|
|
runtime_id = common.generate_unicode_uuid()
|
|
function_id = common.generate_unicode_uuid()
|
|
|
|
self.assertRaises(
|
|
RuntimeError,
|
|
self.manager.scaleup_function,
|
|
function_id, 0, identifier=runtime_id)
|
|
|
|
def test_scaleup_function_service_internal_ip(self):
|
|
pod = mock.Mock()
|
|
pod.metadata.name = self.rand_name('pod', prefix=self.prefix)
|
|
pod.metadata.labels = None
|
|
list_pod_ret = mock.Mock()
|
|
list_pod_ret.items = [pod]
|
|
self.k8s_v1_api.list_namespaced_pod.return_value = list_pod_ret
|
|
self.k8s_v1_api.create_namespaced_service.return_value = (
|
|
self._create_service()
|
|
)
|
|
self.k8s_v1_api.list_node.return_value = (
|
|
self._create_nodes_with_internal_ip()
|
|
)
|
|
runtime_id = common.generate_unicode_uuid()
|
|
function_id = common.generate_unicode_uuid()
|
|
|
|
pod_names, service_url = self.manager.scaleup_function(
|
|
function_id, 0, identifier=runtime_id)
|
|
|
|
self.assertEqual([pod.metadata.name], pod_names)
|
|
self.assertEqual(
|
|
'http://%s:%s' % (SERVICE_ADDRESS_INTERNAL, SERVICE_PORT),
|
|
service_url)
|
|
|
|
def test_delete_worker(self):
|
|
pod_name = self.rand_name('pod', prefix=self.prefix)
|
|
|
|
self.manager.delete_worker(pod_name)
|
|
|
|
self.k8s_v1_api.delete_namespaced_pod.assert_called_once_with(
|
|
pod_name, self.fake_namespace, {})
|