572 lines
20 KiB
Python
572 lines
20 KiB
Python
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# Copyright 2019 The Kubernetes Authors.
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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 time
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import unittest
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import uuid
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from kubernetes.e2e_test import base
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from kubernetes.client import api_client
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from . import DynamicClient
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from .resource import ResourceInstance, ResourceField
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from .exceptions import ResourceNotFoundError
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def short_uuid():
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id = str(uuid.uuid4())
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return id[-12:]
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class TestDynamicClient(unittest.TestCase):
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@classmethod
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def setUpClass(cls):
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cls.config = base.get_e2e_configuration()
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def test_cluster_custom_resources(self):
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client = DynamicClient(api_client.ApiClient(configuration=self.config))
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with self.assertRaises(ResourceNotFoundError):
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changeme_api = client.resources.get(
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api_version='apps.example.com/v1', kind='ClusterChangeMe')
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crd_api = client.resources.get(
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api_version='apiextensions.k8s.io/v1beta1',
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kind='CustomResourceDefinition')
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name = 'clusterchangemes.apps.example.com'
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crd_manifest = {
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'apiVersion': 'apiextensions.k8s.io/v1beta1',
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'kind': 'CustomResourceDefinition',
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'metadata': {
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'name': name,
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},
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'spec': {
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'group': 'apps.example.com',
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'names': {
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'kind': 'ClusterChangeMe',
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'listKind': 'ClusterChangeMeList',
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'plural': 'clusterchangemes',
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'singular': 'clusterchangeme',
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},
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'scope': 'Cluster',
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'version': 'v1',
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'subresources': {
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'status': {}
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}
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}
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}
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resp = crd_api.create(crd_manifest)
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self.assertEqual(name, resp.metadata.name)
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self.assertTrue(resp.status)
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resp = crd_api.get(
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name=name,
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)
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self.assertEqual(name, resp.metadata.name)
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self.assertTrue(resp.status)
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try:
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changeme_api = client.resources.get(
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api_version='apps.example.com/v1', kind='ClusterChangeMe')
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except ResourceNotFoundError:
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# Need to wait a sec for the discovery layer to get updated
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time.sleep(2)
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changeme_api = client.resources.get(
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api_version='apps.example.com/v1', kind='ClusterChangeMe')
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resp = changeme_api.get()
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self.assertEqual(resp.items, [])
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changeme_name = 'custom-resource' + short_uuid()
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changeme_manifest = {
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'apiVersion': 'apps.example.com/v1',
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'kind': 'ClusterChangeMe',
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'metadata': {
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'name': changeme_name,
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},
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'spec': {}
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}
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resp = changeme_api.create(body=changeme_manifest)
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self.assertEqual(resp.metadata.name, changeme_name)
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resp = changeme_api.get(name=changeme_name)
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self.assertEqual(resp.metadata.name, changeme_name)
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changeme_manifest['spec']['size'] = 3
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resp = changeme_api.patch(
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body=changeme_manifest,
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content_type='application/merge-patch+json'
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)
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self.assertEqual(resp.spec.size, 3)
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resp = changeme_api.get(name=changeme_name)
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self.assertEqual(resp.spec.size, 3)
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resp = changeme_api.get()
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self.assertEqual(len(resp.items), 1)
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resp = changeme_api.delete(
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name=changeme_name,
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)
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resp = changeme_api.get()
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self.assertEqual(len(resp.items), 0)
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resp = crd_api.delete(
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name=name,
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)
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time.sleep(2)
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client.resources.invalidate_cache()
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with self.assertRaises(ResourceNotFoundError):
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changeme_api = client.resources.get(
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api_version='apps.example.com/v1', kind='ClusterChangeMe')
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def test_async_namespaced_custom_resources(self):
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client = DynamicClient(api_client.ApiClient(configuration=self.config))
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with self.assertRaises(ResourceNotFoundError):
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changeme_api = client.resources.get(
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api_version='apps.example.com/v1', kind='ChangeMe')
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crd_api = client.resources.get(
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api_version='apiextensions.k8s.io/v1beta1',
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kind='CustomResourceDefinition')
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name = 'changemes.apps.example.com'
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crd_manifest = {
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'apiVersion': 'apiextensions.k8s.io/v1beta1',
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'kind': 'CustomResourceDefinition',
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'metadata': {
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'name': name,
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},
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'spec': {
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'group': 'apps.example.com',
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'names': {
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'kind': 'ChangeMe',
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'listKind': 'ChangeMeList',
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'plural': 'changemes',
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'singular': 'changeme',
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},
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'scope': 'Namespaced',
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'version': 'v1',
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'subresources': {
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'status': {}
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}
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}
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}
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async_resp = crd_api.create(crd_manifest, async_req=True)
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self.assertEqual(name, async_resp.metadata.name)
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self.assertTrue(async_resp.status)
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async_resp = crd_api.get(
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name=name,
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async_req=True
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)
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self.assertEqual(name, async_resp.metadata.name)
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self.assertTrue(async_resp.status)
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try:
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changeme_api = client.resources.get(
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api_version='apps.example.com/v1', kind='ChangeMe')
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except ResourceNotFoundError:
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# Need to wait a sec for the discovery layer to get updated
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time.sleep(2)
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changeme_api = client.resources.get(
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api_version='apps.example.com/v1', kind='ChangeMe')
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async_resp = changeme_api.get(async_req=True)
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self.assertEqual(async_resp.items, [])
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changeme_name = 'custom-resource' + short_uuid()
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changeme_manifest = {
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'apiVersion': 'apps.example.com/v1',
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'kind': 'ChangeMe',
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'metadata': {
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'name': changeme_name,
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},
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'spec': {}
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}
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async_resp = changeme_api.create(body=changeme_manifest, namespace='default', async_req=True)
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self.assertEqual(async_resp.metadata.name, changeme_name)
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async_resp = changeme_api.get(name=changeme_name, namespace='default', async_req=True)
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self.assertEqual(async_resp.metadata.name, changeme_name)
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changeme_manifest['spec']['size'] = 3
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async_resp = changeme_api.patch(
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body=changeme_manifest,
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namespace='default',
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content_type='application/merge-patch+json',
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async_req=True
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)
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self.assertEqual(async_resp.spec.size, 3)
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async_resp = changeme_api.get(name=changeme_name, namespace='default', async_req=True)
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self.assertEqual(async_resp.spec.size, 3)
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async_resp = changeme_api.get(namespace='default', async_req=True)
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self.assertEqual(len(async_resp.items), 1)
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async_resp = changeme_api.get(async_req=True)
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self.assertEqual(len(async_resp.items), 1)
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async_resp = changeme_api.delete(
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name=changeme_name,
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namespace='default',
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async_req=True
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)
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async_resp = changeme_api.get(namespace='default', async_req=True)
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self.assertEqual(len(async_resp.items), 0)
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async_resp = changeme_api.get(async_req=True)
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self.assertEqual(len(async_resp.items), 0)
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async_resp = crd_api.delete(
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name=name,
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async_req=True
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)
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time.sleep(2)
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client.resources.invalidate_cache()
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with self.assertRaises(ResourceNotFoundError):
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changeme_api = client.resources.get(
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api_version='apps.example.com/v1', kind='ChangeMe')
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def test_namespaced_custom_resources(self):
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client = DynamicClient(api_client.ApiClient(configuration=self.config))
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with self.assertRaises(ResourceNotFoundError):
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changeme_api = client.resources.get(
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api_version='apps.example.com/v1', kind='ChangeMe')
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crd_api = client.resources.get(
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api_version='apiextensions.k8s.io/v1beta1',
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kind='CustomResourceDefinition')
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name = 'changemes.apps.example.com'
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crd_manifest = {
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'apiVersion': 'apiextensions.k8s.io/v1beta1',
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'kind': 'CustomResourceDefinition',
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'metadata': {
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'name': name,
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},
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'spec': {
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'group': 'apps.example.com',
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'names': {
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'kind': 'ChangeMe',
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'listKind': 'ChangeMeList',
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'plural': 'changemes',
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'singular': 'changeme',
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},
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'scope': 'Namespaced',
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'version': 'v1',
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'subresources': {
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'status': {}
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}
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}
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}
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resp = crd_api.create(crd_manifest)
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self.assertEqual(name, resp.metadata.name)
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self.assertTrue(resp.status)
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resp = crd_api.get(
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name=name,
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)
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self.assertEqual(name, resp.metadata.name)
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self.assertTrue(resp.status)
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try:
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changeme_api = client.resources.get(
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api_version='apps.example.com/v1', kind='ChangeMe')
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except ResourceNotFoundError:
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# Need to wait a sec for the discovery layer to get updated
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time.sleep(2)
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changeme_api = client.resources.get(
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api_version='apps.example.com/v1', kind='ChangeMe')
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resp = changeme_api.get()
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self.assertEqual(resp.items, [])
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changeme_name = 'custom-resource' + short_uuid()
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changeme_manifest = {
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'apiVersion': 'apps.example.com/v1',
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'kind': 'ChangeMe',
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'metadata': {
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'name': changeme_name,
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},
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'spec': {}
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}
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resp = changeme_api.create(body=changeme_manifest, namespace='default')
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self.assertEqual(resp.metadata.name, changeme_name)
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resp = changeme_api.get(name=changeme_name, namespace='default')
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self.assertEqual(resp.metadata.name, changeme_name)
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changeme_manifest['spec']['size'] = 3
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resp = changeme_api.patch(
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body=changeme_manifest,
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namespace='default',
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content_type='application/merge-patch+json'
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)
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self.assertEqual(resp.spec.size, 3)
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resp = changeme_api.get(name=changeme_name, namespace='default')
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self.assertEqual(resp.spec.size, 3)
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resp = changeme_api.get(namespace='default')
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self.assertEqual(len(resp.items), 1)
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resp = changeme_api.get()
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self.assertEqual(len(resp.items), 1)
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resp = changeme_api.delete(
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name=changeme_name,
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namespace='default'
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)
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resp = changeme_api.get(namespace='default')
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self.assertEqual(len(resp.items), 0)
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resp = changeme_api.get()
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self.assertEqual(len(resp.items), 0)
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resp = crd_api.delete(
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name=name,
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)
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time.sleep(2)
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client.resources.invalidate_cache()
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with self.assertRaises(ResourceNotFoundError):
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changeme_api = client.resources.get(
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api_version='apps.example.com/v1', kind='ChangeMe')
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def test_service_apis(self):
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client = DynamicClient(api_client.ApiClient(configuration=self.config))
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api = client.resources.get(api_version='v1', kind='Service')
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name = 'frontend-' + short_uuid()
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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(
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body=service_manifest,
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namespace='default'
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)
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self.assertEqual(name, resp.metadata.name)
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self.assertTrue(resp.status)
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||
|
|
|
||
|
|
resp = api.get(
|
||
|
|
name=name,
|
||
|
|
namespace='default'
|
||
|
|
)
|
||
|
|
self.assertEqual(name, resp.metadata.name)
|
||
|
|
self.assertTrue(resp.status)
|
||
|
|
|
||
|
|
service_manifest['spec']['ports'] = [{'name': 'new',
|
||
|
|
'port': 8080,
|
||
|
|
'protocol': 'TCP',
|
||
|
|
'targetPort': 8080}]
|
||
|
|
resp = api.patch(
|
||
|
|
body=service_manifest,
|
||
|
|
name=name,
|
||
|
|
namespace='default'
|
||
|
|
)
|
||
|
|
self.assertEqual(2, len(resp.spec.ports))
|
||
|
|
self.assertTrue(resp.status)
|
||
|
|
|
||
|
|
resp = api.delete(
|
||
|
|
name=name, body={},
|
||
|
|
namespace='default'
|
||
|
|
)
|
||
|
|
|
||
|
|
def test_replication_controller_apis(self):
|
||
|
|
client = DynamicClient(api_client.ApiClient(configuration=self.config))
|
||
|
|
api = client.resources.get(
|
||
|
|
api_version='v1', kind='ReplicationController')
|
||
|
|
|
||
|
|
name = 'frontend-' + short_uuid()
|
||
|
|
rc_manifest = {
|
||
|
|
'apiVersion': 'v1',
|
||
|
|
'kind': 'ReplicationController',
|
||
|
|
'metadata': {'labels': {'name': name},
|
||
|
|
'name': name},
|
||
|
|
'spec': {'replicas': 2,
|
||
|
|
'selector': {'name': name},
|
||
|
|
'template': {'metadata': {
|
||
|
|
'labels': {'name': name}},
|
||
|
|
'spec': {'containers': [{
|
||
|
|
'image': 'nginx',
|
||
|
|
'name': 'nginx',
|
||
|
|
'ports': [{'containerPort': 80,
|
||
|
|
'protocol': 'TCP'}]}]}}}}
|
||
|
|
|
||
|
|
resp = api.create(
|
||
|
|
body=rc_manifest, namespace='default')
|
||
|
|
self.assertEqual(name, resp.metadata.name)
|
||
|
|
self.assertEqual(2, resp.spec.replicas)
|
||
|
|
|
||
|
|
resp = api.get(
|
||
|
|
name=name, namespace='default')
|
||
|
|
self.assertEqual(name, resp.metadata.name)
|
||
|
|
self.assertEqual(2, resp.spec.replicas)
|
||
|
|
|
||
|
|
api.delete(
|
||
|
|
name=name,
|
||
|
|
namespace='default',
|
||
|
|
propagation_policy='Background')
|
||
|
|
|
||
|
|
def test_configmap_apis(self):
|
||
|
|
client = DynamicClient(api_client.ApiClient(configuration=self.config))
|
||
|
|
api = client.resources.get(api_version='v1', kind='ConfigMap')
|
||
|
|
|
||
|
|
name = 'test-configmap-' + short_uuid()
|
||
|
|
test_configmap = {
|
||
|
|
"kind": "ConfigMap",
|
||
|
|
"apiVersion": "v1",
|
||
|
|
"metadata": {
|
||
|
|
"name": name,
|
||
|
|
"labels": {
|
||
|
|
"e2e-test": "true",
|
||
|
|
},
|
||
|
|
},
|
||
|
|
"data": {
|
||
|
|
"config.json": "{\"command\":\"/usr/bin/mysqld_safe\"}",
|
||
|
|
"frontend.cnf": "[mysqld]\nbind-address = 10.0.0.3\n"
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
resp = api.create(
|
||
|
|
body=test_configmap, namespace='default'
|
||
|
|
)
|
||
|
|
self.assertEqual(name, resp.metadata.name)
|
||
|
|
|
||
|
|
resp = api.get(
|
||
|
|
name=name, namespace='default', label_selector="e2e-test=true")
|
||
|
|
self.assertEqual(name, resp.metadata.name)
|
||
|
|
|
||
|
|
count = 0
|
||
|
|
for _ in client.watch(api, timeout=10, namespace="default", name=name):
|
||
|
|
count += 1
|
||
|
|
self.assertTrue(count > 0, msg="no events received for watch")
|
||
|
|
|
||
|
|
test_configmap['data']['config.json'] = "{}"
|
||
|
|
resp = api.patch(
|
||
|
|
name=name, namespace='default', body=test_configmap)
|
||
|
|
|
||
|
|
resp = api.delete(
|
||
|
|
name=name, body={}, namespace='default')
|
||
|
|
|
||
|
|
resp = api.get(
|
||
|
|
namespace='default',
|
||
|
|
pretty=True,
|
||
|
|
label_selector="e2e-test=true")
|
||
|
|
self.assertEqual([], resp.items)
|
||
|
|
|
||
|
|
def test_node_apis(self):
|
||
|
|
client = DynamicClient(api_client.ApiClient(configuration=self.config))
|
||
|
|
api = client.resources.get(api_version='v1', kind='Node')
|
||
|
|
|
||
|
|
for item in api.get().items:
|
||
|
|
node = api.get(name=item.metadata.name)
|
||
|
|
self.assertTrue(len(dict(node.metadata.labels)) > 0)
|
||
|
|
|
||
|
|
# test_node_apis_partial_object_metadata lists all nodes in the cluster,
|
||
|
|
# but only retrieves object metadata
|
||
|
|
def test_node_apis_partial_object_metadata(self):
|
||
|
|
client = DynamicClient(api_client.ApiClient(configuration=self.config))
|
||
|
|
api = client.resources.get(api_version='v1', kind='Node')
|
||
|
|
|
||
|
|
params = {
|
||
|
|
'header_params': {
|
||
|
|
'Accept': 'application/json;as=PartialObjectMetadataList;v=v1;g=meta.k8s.io'}}
|
||
|
|
resp = api.get(**params)
|
||
|
|
self.assertEqual('PartialObjectMetadataList', resp.kind)
|
||
|
|
self.assertEqual('meta.k8s.io/v1', resp.apiVersion)
|
||
|
|
|
||
|
|
params = {
|
||
|
|
'header_params': {
|
||
|
|
'aCcePt': 'application/json;as=PartialObjectMetadataList;v=v1;g=meta.k8s.io'}}
|
||
|
|
resp = api.get(**params)
|
||
|
|
self.assertEqual('PartialObjectMetadataList', resp.kind)
|
||
|
|
self.assertEqual('meta.k8s.io/v1', resp.apiVersion)
|
||
|
|
|
||
|
|
def test_server_side_apply_api(self):
|
||
|
|
client = DynamicClient(api_client.ApiClient(configuration=self.config))
|
||
|
|
api = client.resources.get(
|
||
|
|
api_version='v1', kind='Pod')
|
||
|
|
|
||
|
|
name = 'pod-' + short_uuid()
|
||
|
|
pod_manifest = {
|
||
|
|
'apiVersion': 'v1',
|
||
|
|
'kind': 'Pod',
|
||
|
|
'metadata': {'labels': {'name': name},
|
||
|
|
'name': name},
|
||
|
|
'spec': {'containers': [{
|
||
|
|
'image': 'nginx',
|
||
|
|
'name': 'nginx',
|
||
|
|
'ports': [{'containerPort': 80,
|
||
|
|
'protocol': 'TCP'}]}]}}
|
||
|
|
|
||
|
|
resp = api.server_side_apply(
|
||
|
|
namespace='default', body=pod_manifest,
|
||
|
|
field_manager='kubernetes-unittests', dry_run="All")
|
||
|
|
self.assertEqual('kubernetes-unittests', resp.metadata.managedFields[0].manager)
|
||
|
|
|
||
|
|
|
||
|
|
class TestDynamicClientSerialization(unittest.TestCase):
|
||
|
|
|
||
|
|
@classmethod
|
||
|
|
def setUpClass(cls):
|
||
|
|
config = base.get_e2e_configuration()
|
||
|
|
cls.client = DynamicClient(api_client.ApiClient(configuration=config))
|
||
|
|
cls.pod_manifest = {
|
||
|
|
'apiVersion': 'v1',
|
||
|
|
'kind': 'Pod',
|
||
|
|
'metadata': {'name': 'foo-pod'},
|
||
|
|
'spec': {'containers': [{'name': "main", 'image': "busybox"}]},
|
||
|
|
}
|
||
|
|
|
||
|
|
def test_dict_type(self):
|
||
|
|
self.assertEqual(self.client.serialize_body(self.pod_manifest), self.pod_manifest)
|
||
|
|
|
||
|
|
def test_resource_instance_type(self):
|
||
|
|
inst = ResourceInstance(self.client, self.pod_manifest)
|
||
|
|
self.assertEqual(self.client.serialize_body(inst), self.pod_manifest)
|
||
|
|
|
||
|
|
def test_resource_field(self):
|
||
|
|
"""`ResourceField` is a special type which overwrites `__getattr__` method to return `None`
|
||
|
|
when a non-existent attribute was accessed. which means it can pass any `hasattr(...)` tests.
|
||
|
|
"""
|
||
|
|
params = {
|
||
|
|
"foo": "bar",
|
||
|
|
"self": True
|
||
|
|
}
|
||
|
|
res = ResourceField(params=params)
|
||
|
|
self.assertEqual(res["foo"], params["foo"])
|
||
|
|
self.assertEqual(res["self"], params["self"])
|
||
|
|
self.assertEqual(self.client.serialize_body(res), params)
|