# -*- coding: utf-8 -*-
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
"""
test_k8sclient
----------------------------------
Tests for `k8sclient` module. Deploy Kubernetes using:
http://kubernetes.io/docs/getting-started-guides/docker/
and then run this test
"""
from testtools.testcase import unittest
import urllib3
import uuid
from k8sclient.client import api_client
from k8sclient.client.apis import apiv_api
from k8sclient.client.apis import apisextensionsvbeta_api
from k8sclient.client.apis import apisbatchv_api
from k8sclient.tests import base
def _is_k8s_running():
try:
urllib3.PoolManager().request('GET', '127.0.0.1:8080')
return True
except urllib3.exceptions.HTTPError:
return False
class TestK8sclient(base.TestCase):
@unittest.skipUnless(
_is_k8s_running(), "Kubernetes is not available")
def test_list_endpoints(self):
client = api_client.ApiClient('http://127.0.0.1:8080/')
api = apiv_api.ApivApi(client)
endpoints = api.list_endpoints()
self.assertTrue(len(endpoints.items) > 0)
@unittest.skipUnless(
_is_k8s_running(), "Kubernetes is not available")
def test_pod_apis(self):
client = api_client.ApiClient('http://127.0.0.1:8080/')
api = apiv_api.ApivApi(client)
name = 'test-' + str(uuid.uuid4())
pod_manifest = {'apiVersion': 'v1',
'kind': 'Pod',
'metadata': {'color': 'blue', 'name': name},
'spec': {'containers': [{'image': 'dockerfile/redis',
'name': 'redis'}]}}
resp = api.create_namespaced_pod(body=pod_manifest,
namespace='default')
self.assertEqual(name, resp.metadata.name)
self.assertTrue(resp.status.phase)
resp = api.read_namespaced_pod(name=name,
namespace='default')
self.assertEqual(name, resp.metadata.name)
self.assertTrue(resp.status.phase)
number_of_pods = len(api.list_pod().items)
self.assertTrue(number_of_pods > 0)
resp = api.delete_namespaced_pod(name=name, body={},
namespace='default')
@unittest.skipUnless(
_is_k8s_running(), "Kubernetes is not available")
def test_service_apis(self):
client = api_client.ApiClient('http://127.0.0.1:8080/')
api = apiv_api.ApivApi(client)
service_manifest = {'apiVersion': 'v1',
'kind': 'Service',
'metadata': {'labels': {'name': 'frontend'},
'name': 'frontend',
'resourceversion': 'v1'},
'spec': {'ports': [{'name': 'port',
'port': 80,
'protocol': 'TCP',
'targetPort': 80}],
'selector': {'name': 'frontend'}}}
resp = api.create_namespaced_service(body=service_manifest,
namespace='default')
self.assertEqual('frontend', resp.metadata.name)
self.assertTrue(resp.status)
resp = api.read_namespaced_service(name='frontend',
namespace='default')
self.assertEqual('frontend', resp.metadata.name)
self.assertTrue(resp.status)
service_manifest['spec']['ports'] = [{'name': 'new',
'port': 8080,
'protocol': 'TCP',
'targetPort': 8080}]
resp = api.patch_namespaced_service(body=service_manifest,
name='frontend',
namespace='default')
self.assertEqual(2, len(resp.spec.ports))
self.assertTrue(resp.status)
resp = api.delete_namespaced_service(name='frontend',
namespace='default')
@unittest.skipUnless(
_is_k8s_running(), "Kubernetes is not available")
def test_replication_controller_apis(self):
client = api_client.ApiClient('http://127.0.0.1:8080/')
api = apiv_api.ApivApi(client)
rc_manifest = {
'apiVersion': 'v1',
'kind': 'ReplicationController',
'metadata': {'labels': {'name': 'frontend'},
'name': 'frontend'},
'spec': {'replicas': 2,
'selector': {'name': 'frontend'},
'template': {'metadata': {
'labels': {'name': 'frontend'}},
'spec': {'containers': [{
'image': 'nginx',
'name': 'nginx',
'ports': [{'containerPort': 80,
'protocol': 'TCP'}]}]}}}}
resp = api.create_namespaced_replication_controller(
body=rc_manifest, namespace='default')
self.assertEqual('frontend', resp.metadata.name)
self.assertEqual(2, resp.spec.replicas)
resp = api.read_namespaced_replication_controller(
name='frontend', namespace='default')
self.assertEqual('frontend', resp.metadata.name)
self.assertEqual(2, resp.spec.replicas)
resp = api.delete_namespaced_replication_controller(
name='frontend', body={}, namespace='default')
@unittest.skipUnless(
_is_k8s_running(), "Kubernetes is not available")
def test_configmap_apis(self):
client = api_client.ApiClient('http://127.0.0.1:8080/')
api = apiv_api.ApivApi(client)
test_configmap = {
"kind": "ConfigMap",
"apiVersion": "v1",
"metadata": {
"name": "test-configmap",
},
"data": {
"config.json": "{\"command\":\"/usr/bin/mysqld_safe\"}",
"frontend.cnf": "[mysqld]\nbind-address = 10.0.0.3\nport = 3306\n"
}
}
resp = api.create_namespaced_config_map(
body=test_configmap, namespace='default'
)
self.assertEqual('test-configmap', resp.metadata.name)
resp = api.read_namespaced_config_map(
name='test-configmap', namespace='default')
self.assertEqual('test-configmap', resp.metadata.name)
test_configmap['data']['config.json'] = "{}"
resp = api.patch_namespaced_config_map(
name='test-configmap', namespace='default', body=test_configmap)
resp = api.delete_namespaced_config_map(
name='test-configmap', body={}, namespace='default')
@unittest.skipUnless(
_is_k8s_running(), "Kubernetes is not available")
def test_node_apis(self):
client = api_client.ApiClient('http://127.0.0.1:8080/')
api = apiv_api.ApivApi(client)
for item in api.list_namespaced_node().items:
node = api.read_namespaced_node(name=item.metadata.name)
self.assertTrue(len(node.metadata.labels) > 0)
self.assertIsInstance(node.metadata.labels, dict)
class TestK8sclientBeta(base.TestCase):
@unittest.skipUnless(
_is_k8s_running(), "Kubernetes is not available")
def test_deployment_apis(self):
client = api_client.ApiClient('http://127.0.0.1:8080/')
api = apisextensionsvbeta_api.ApisextensionsvbetaApi(client)
deployment_manifest = {
'kind': 'Deployment',
'spec': {
'template':
{'spec':
{'containers': [
{'image': 'nginx',
'name': 'test-deployment',
'ports': [{'containerPort': 80}]
}
]},
'metadata': {'labels': {'app': 'test-deployment'}}},
'replicas': 2},
'apiVersion': 'extensions/v1beta1',
'metadata': {'name': 'test-deployment'}}
resp = api.create_namespaced_deployment(
body=deployment_manifest, namespace='default')
self.assertEqual('test-deployment', resp.metadata.name)
self.assertEqual(2, resp.spec.replicas)
resp = api.read_namespaced_deployment(
name='test-deployment', namespace='default')
self.assertEqual('test-deployment', resp.metadata.name)
self.assertEqual(2, resp.spec.replicas)
deployment_manifest['spec']['replicas'] = 1
resp = api.patch_namespaced_deployment(
name='test-deployment', namespace='default',
body=deployment_manifest)
self.assertEqual(1, resp.spec.replicas)
resp = api.delete_namespaced_deployment(
name='test-deployment', body={}, namespace='default')
class TestK8sclientBatch(base.TestCase):
@unittest.skipUnless(
_is_k8s_running(), "Kubernetes is not available")
def test_job_apis(self):
client = api_client.ApiClient('http://127.0.0.1:8080/')
api = apisbatchv_api.ApisbatchvApi(client)
job_manifest = {
'kind': 'Job',
'spec': {
'template':
{'spec':
{'containers': [
{'image': 'busybox',
'name': 'test-job',
'command': ["sh", "-c", "sleep 5"]
}],
'restartPolicy': 'Never'},
'metadata': {'name': 'test-job'}}},
'apiVersion': 'batch/v1',
'metadata': {'name': 'test-job'}}
resp = api.create_namespaced_job(
body=job_manifest, namespace='default')
self.assertEqual('test-job', resp.metadata.name)
resp = api.read_namespaced_job(
name='test-job', namespace='default')
self.assertEqual('test-job', resp.metadata.name)
resp = api.delete_namespaced_job(
name='test-job', body={}, namespace='default')