libcloud/test/container/test_kubernetes.py

# Licensed to the Apache Software Foundation (ASF) under one or more
# contributor license agreements.  See the NOTICE file distributed with
# this work for additional information regarding copyright ownership.
# The ASF licenses this file to You 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.

import sys

from libcloud.utils.py3 import httplib

from libcloud.container.base import ContainerImage
from libcloud.container.drivers.kubernetes import KubernetesContainerDriver

from libcloud.test.secrets import CONTAINER_PARAMS_KUBERNETES
from libcloud.test.common.test_kubernetes import KubernetesAuthTestCaseMixin
from libcloud.test.file_fixtures import ContainerFileFixtures
from libcloud.test import MockHttp
from libcloud.test import unittest


class KubernetesContainerDriverTestCase(unittest.TestCase, KubernetesAuthTestCaseMixin):
    driver_cls = KubernetesContainerDriver

    def setUp(self):
        KubernetesContainerDriver.connectionCls.conn_class = KubernetesMockHttp
        KubernetesMockHttp.type = None
        KubernetesMockHttp.use_param = "a"
        self.driver = KubernetesContainerDriver(*CONTAINER_PARAMS_KUBERNETES)

    def test_list_containers(self):
        containers = self.driver.list_containers()
        self.assertEqual(len(containers), 1)
        self.assertEqual(
            containers[0].id,
            "docker://3c48b5cda79bce4c8866f02a3b96a024edb8f660d10e7d1755e9ced49ef47b36",
        )
        self.assertEqual(containers[0].name, "hello-world")

    def test_list_clusters(self):
        clusters = self.driver.list_clusters()
        self.assertEqual(len(clusters), 2)
        self.assertEqual(clusters[0].id, "default")
        self.assertEqual(clusters[0].name, "default")

    def test_get_cluster(self):
        cluster = self.driver.get_cluster("default")
        self.assertEqual(cluster.id, "default")
        self.assertEqual(cluster.name, "default")

    def test_create_cluster(self):
        cluster = self.driver.create_cluster("test")
        self.assertEqual(cluster.id, "test")
        self.assertEqual(cluster.name, "test")

    def test_destroy_cluster(self):
        cluster = self.driver.get_cluster("default")
        result = self.driver.destroy_cluster(cluster)
        self.assertTrue(result)

    def test_deploy_container(self):
        image = ContainerImage(
            id=None, name="hello-world", path=None, driver=self.driver, version=None
        )
        container = self.driver.deploy_container("hello-world", image=image)
        self.assertEqual(container.name, "hello-world")

    def test_get_container(self):
        container = self.driver.get_container(
            "docker://3c48b5cda79bce4c8866f02a3b96a024edb8f660d10e7d1755e9ced49ef47b36"
        )
        assert (
            container.id
            == "docker://3c48b5cda79bce4c8866f02a3b96a024edb8f660d10e7d1755e9ced49ef47b36"
        )


class KubernetesMockHttp(MockHttp):
    fixtures = ContainerFileFixtures("kubernetes")

    def _api_v1_pods(self, method, url, body, headers):
        if method == "GET":
            body = self.fixtures.load("_api_v1_pods.json")
        else:
            raise AssertionError("Unsupported method")
        return (httplib.OK, body, {}, httplib.responses[httplib.OK])

    def _api_v1_namespaces(self, method, url, body, headers):
        if method == "GET":
            body = self.fixtures.load("_api_v1_namespaces.json")
        elif method == "POST":
            body = self.fixtures.load("_api_v1_namespaces_test.json")
        else:
            raise AssertionError("Unsupported method")
        return (httplib.OK, body, {}, httplib.responses[httplib.OK])

    def _api_v1_namespaces_default(self, method, url, body, headers):
        if method == "GET":
            body = self.fixtures.load("_api_v1_namespaces_default.json")
        elif method == "DELETE":
            body = self.fixtures.load("_api_v1_namespaces_default_DELETE.json")
        else:
            raise AssertionError("Unsupported method")
        return (httplib.OK, body, {}, httplib.responses[httplib.OK])

    def _api_v1_namespaces_default_pods(self, method, url, body, headers):
        if method == "GET":
            body = self.fixtures.load("_api_v1_namespaces_default_pods.json")
        elif method == "POST":
            body = self.fixtures.load("_api_v1_namespaces_default_pods_POST.json")
        else:
            raise AssertionError("Unsupported method")
        return (httplib.OK, body, {}, httplib.responses[httplib.OK])


if __name__ == "__main__":
    sys.exit(unittest.main())