288 lines
10 KiB
Python
288 lines
10 KiB
Python
# -*- coding: utf-8 -*-
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# 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, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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"""
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test_client
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----------------------------------
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Tests for `client` module. Deploy Kubernetes using:
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http://kubernetes.io/docs/getting-started-guides/docker/
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and then run this test
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"""
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import unittest
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import urllib3
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import uuid
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import yaml
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from kubernetes.client import api_client
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from kubernetes.client.apis import core_v1_api
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from kubernetes.client.apis import extensions_v1beta1_api
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def _is_k8s_running():
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try:
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urllib3.PoolManager().request('GET', '127.0.0.1:8080')
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return True
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except urllib3.exceptions.HTTPError:
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return False
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class TestClient(unittest.TestCase):
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@unittest.skipUnless(
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_is_k8s_running(), "Kubernetes is not available")
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def test_read_namespaces(self):
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client = api_client.ApiClient('http://127.0.0.1:8080/')
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api = core_v1_api.CoreV1Api(client)
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expected_namespaces = ('default', 'kube-system')
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for ns in expected_namespaces:
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api.read_namespace(name=ns)
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@unittest.skipUnless(
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_is_k8s_running(), "Kubernetes is not available")
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def test_read_services(self):
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client = api_client.ApiClient('http://127.0.0.1:8080/')
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api = core_v1_api.CoreV1Api(client)
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expected_services = ('kubernetes',)
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for service in expected_services:
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api.read_namespaced_service(service, 'default')
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@unittest.skipUnless(
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_is_k8s_running(), "Kubernetes is not available")
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def test_list_endpoints(self):
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client = api_client.ApiClient('http://127.0.0.1:8080/')
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api = core_v1_api.CoreV1Api(client)
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endpoints = api.list_endpoints_for_all_namespaces()
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self.assertTrue(len(endpoints.items) > 0)
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@unittest.skipUnless(
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_is_k8s_running(), "Kubernetes is not available")
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def test_create_deployment(self):
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client = api_client.ApiClient('http://127.0.0.1:8080/')
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api = extensions_v1beta1_api.ExtensionsV1beta1Api(client)
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name = 'nginx-deployment-' + str(uuid.uuid4())
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deployment = '''apiVersion: extensions/v1beta1
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kind: Deployment
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metadata:
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name: %s
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spec:
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replicas: 3
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template:
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metadata:
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labels:
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app: nginx
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spec:
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containers:
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- name: nginx
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image: nginx:1.7.9
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ports:
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- containerPort: 80
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'''
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resp = api.create_namespaced_deployment(
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body=yaml.load(deployment % name),
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namespace="default")
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resp = api.read_namespaced_deployment(name, 'default')
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self.assertIsNotNone(resp)
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@unittest.skipUnless(
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_is_k8s_running(), "Kubernetes is not available")
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def test_pod_apis(self):
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client = api_client.ApiClient('http://127.0.0.1:8080/')
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api = core_v1_api.CoreV1Api(client)
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name = 'test-' + str(uuid.uuid4())
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pod_manifest = {'apiVersion': 'v1',
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'kind': 'Pod',
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'metadata': {'color': 'blue', 'name': name},
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'spec': {'containers': [{'image': 'dockerfile/redis',
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'name': 'redis'}]}}
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resp = api.create_namespaced_pod(body=pod_manifest,
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namespace='default')
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self.assertEqual(name, resp.metadata.name)
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self.assertTrue(resp.status.phase)
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resp = api.read_namespaced_pod(name=name,
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namespace='default')
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self.assertEqual(name, resp.metadata.name)
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self.assertTrue(resp.status.phase)
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number_of_pods = len(api.list_pod_for_all_namespaces().items)
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self.assertTrue(number_of_pods > 0)
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resp = api.delete_namespaced_pod(name=name, body={},
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namespace='default')
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@unittest.skipUnless(
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_is_k8s_running(), "Kubernetes is not available")
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def test_service_apis(self):
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client = api_client.ApiClient('http://127.0.0.1:8080/')
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api = core_v1_api.CoreV1Api(client)
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name = 'frontend-' + str(uuid.uuid4())
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service_manifest = {'apiVersion': 'v1',
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'kind': 'Service',
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'metadata': {'labels': {'name': name},
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'name': name,
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'resourceversion': 'v1'},
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'spec': {'ports': [{'name': 'port',
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'port': 80,
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'protocol': 'TCP',
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'targetPort': 80}],
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'selector': {'name': name}}}
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resp = api.create_namespaced_service(body=service_manifest,
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namespace='default')
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self.assertEqual(name, resp.metadata.name)
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self.assertTrue(resp.status)
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resp = api.read_namespaced_service(name=name,
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namespace='default')
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self.assertEqual(name, resp.metadata.name)
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self.assertTrue(resp.status)
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service_manifest['spec']['ports'] = [{'name': 'new',
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'port': 8080,
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'protocol': 'TCP',
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'targetPort': 8080}]
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resp = api.patch_namespaced_service(body=service_manifest,
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name=name,
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namespace='default')
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self.assertEqual(2, len(resp.spec.ports))
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self.assertTrue(resp.status)
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resp = api.delete_namespaced_service(name=name,
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namespace='default')
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@unittest.skipUnless(
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_is_k8s_running(), "Kubernetes is not available")
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def test_replication_controller_apis(self):
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client = api_client.ApiClient('http://127.0.0.1:8080/')
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api = core_v1_api.CoreV1Api(client)
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name = 'frontend-' + str(uuid.uuid4())
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rc_manifest = {
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'apiVersion': 'v1',
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'kind': 'ReplicationController',
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'metadata': {'labels': {'name': name},
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'name': name},
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'spec': {'replicas': 2,
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'selector': {'name': name},
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'template': {'metadata': {
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'labels': {'name': name}},
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'spec': {'containers': [{
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'image': 'nginx',
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'name': 'nginx',
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'ports': [{'containerPort': 80,
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'protocol': 'TCP'}]}]}}}}
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resp = api.create_namespaced_replication_controller(
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body=rc_manifest, namespace='default')
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self.assertEqual(name, resp.metadata.name)
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self.assertEqual(2, resp.spec.replicas)
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resp = api.read_namespaced_replication_controller(
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name=name, namespace='default')
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self.assertEqual(name, resp.metadata.name)
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self.assertEqual(2, resp.spec.replicas)
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resp = api.delete_namespaced_replication_controller(
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name=name, body={}, namespace='default')
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@unittest.skipUnless(
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_is_k8s_running(), "Kubernetes is not available")
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def test_configmap_apis(self):
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client = api_client.ApiClient('http://127.0.0.1:8080/')
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api = core_v1_api.CoreV1Api(client)
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name = 'test-configmap-' + str(uuid.uuid4())
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test_configmap = {
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"kind": "ConfigMap",
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"apiVersion": "v1",
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"metadata": {
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"name": name,
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},
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"data": {
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"config.json": "{\"command\":\"/usr/bin/mysqld_safe\"}",
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"frontend.cnf": "[mysqld]\nbind-address = 10.0.0.3\nport = 3306\n"
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}
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}
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resp = api.create_namespaced_config_map(
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body=test_configmap, namespace='default'
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)
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self.assertEqual(name, resp.metadata.name)
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resp = api.read_namespaced_config_map(
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name=name, namespace='default')
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self.assertEqual(name, resp.metadata.name)
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test_configmap['data']['config.json'] = "{}"
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resp = api.patch_namespaced_config_map(
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name=name, namespace='default', body=test_configmap)
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resp = api.delete_namespaced_config_map(
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name=name, body={}, namespace='default')
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resp = api.list_namespaced_config_map('kube-system', pretty=True)
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self.assertEqual([], resp.items)
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@unittest.skipUnless(
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_is_k8s_running(), "Kubernetes is not available")
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def test_node_apis(self):
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client = api_client.ApiClient('http://127.0.0.1:8080/')
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api = core_v1_api.CoreV1Api(client)
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for item in api.list_node().items:
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node = api.read_node(name=item.metadata.name)
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self.assertTrue(len(node.metadata.labels) > 0)
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self.assertTrue(isinstance(node.metadata.labels, dict))
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@unittest.skipUnless(
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_is_k8s_running(), "Kubernetes is not available")
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def test_create_daemonset(self):
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client = api_client.ApiClient('http://127.0.0.1:8080/')
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api = extensions_v1beta1_api.ExtensionsV1beta1Api(client)
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name = 'nginx-app-' + str(uuid.uuid4())
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daemonset = {
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'apiVersion': 'extensions/v1beta1',
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'kind': 'DaemonSet',
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'metadata': {
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'labels': {'app': 'nginx'},
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'name': '%s' % name,
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},
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'spec': {
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'template': {
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'metadata': {
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'labels': {'app': 'nginx'},
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'name': name},
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'spec': {
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'containers': [
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{'name': 'nginx-app',
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'image': 'nginx:1.10'},
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],
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},
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},
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'updateStrategy': {
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'type': 'RollingUpdate',
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},
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}
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}
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resp = api.create_namespaced_daemon_set('default', body=daemonset)
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resp = api.read_namespaced_daemon_set(name, 'default')
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self.assertIsNotNone(resp) |