add v1 model and tests for poddisruptionbudgets

Author: j18e

k8s/models/policy_v1_pod_disruption_budget.py

@@ -0,0 +1,50 @@
+#!/usr/bin/env python
+# -*- coding: utf-8
+
+# Copyright 2017-2019 The FIAAS Authors
+#
+# 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.
+
+from __future__ import absolute_import
+
+import six
+
+from .common import ObjectMeta
+from ..base import Model
+from ..fields import Field, ListField
+
+
+class LabelSelectorRequirement(Model):
+    key = Field(six.text_type)
+    operator = Field(six.text_type)
+    values = ListField(six.text_type)
+
+
+class LabelSelector(Model):
+    matchExpressions = Field(LabelSelectorRequirement)
+    matchLabels = Field(dict)
+
+
+class PodDisruptionBudgetSpec(Model):
+    minAvailable = Field(six.text_type, alt_type=int)
+    maxUnavailable = Field(six.text_type, alt_type=int)
+    selector = Field(LabelSelector)
+
+
+class PodDisruptionBudget(Model):
+    class Meta:
+        list_url = "/apis/policy/v1/poddisruptionbudgets"
+        url_template = "/apis/policy/v1/namespaces/{namespace}/poddisruptionbudgets/{name}"
+
+    metadata = Field(ObjectMeta)
+    spec = Field(PodDisruptionBudgetSpec)

tests/k8s/test_policy_v1_pod_disruption_budget.py

@@ -0,0 +1,99 @@
+#!/usr/bin/env python
+# -*- coding: utf-8
+
+# Copyright 2017-2019 The FIAAS Authors
+#
+# 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.
+
+
+import mock
+import pytest
+
+from k8s.client import NotFound
+from k8s.models.common import ObjectMeta
+from k8s.models.policy_v1_pod_disruption_budget import PodDisruptionBudget, PodDisruptionBudgetSpec, LabelSelector
+
+NAME = "my-pod-disruption-budget"
+NAMESPACE = "my-namespace"
+
+
+@pytest.mark.usefixtures("k8s_config")
+class TestPodDisruptionBudget(object):
+    def test_created_if_not_exists(self, post, api_get):
+        api_get.side_effect = NotFound()
+        pdb = _create_default_pdb()
+        call_params = pdb.as_dict()
+        post.return_value.json.return_value = call_params
+
+        assert pdb._new
+        pdb.save()
+        assert not pdb._new
+
+        pytest.helpers.assert_any_call(post, _uri(NAMESPACE), call_params)
+
+    def test_updated_if_exists(self, get, put):
+        mock_response = _create_mock_response()
+        get.return_value = mock_response
+        pdb = _create_default_pdb()
+
+        from_api = PodDisruptionBudget.get_or_create(
+            metadata=pdb.metadata,
+            spec=pdb.spec,
+        )
+        assert not from_api._new
+        assert from_api.spec == pdb.spec
+
+    def test_deleted(self, delete):
+        PodDisruptionBudget.delete(NAME, namespace=NAMESPACE)
+        pytest.helpers.assert_any_call(delete, _uri(NAMESPACE, NAME))
+
+
+def _create_mock_response():
+    mock_response = mock.Mock()
+    mock_response.json.return_value = {
+        "apiVersion": "policy/v1",
+        "kind": "PodDisruptionBudget",
+        "metadata": {
+            "creationTimestamp": "2017-09-08T13:37:00Z",
+            "generation": 1,
+            "labels": {
+                "test": "true"
+            },
+            "name": NAME,
+            "namespace": NAMESPACE,
+            "resourceVersion": "42",
+            "selfLink": _uri(NAMESPACE, NAME),
+            "uid": "d8f1ba26-b182-11e6-a364-fa163ea2a9c4"
+        },
+        "spec": {
+            "minAvailable": 1,
+            "selector": {
+                "matchLabels": {
+                    "application": "my-app",
+                },
+            },
+        },
+    }
+    return mock_response
+
+
+def _create_default_pdb():
+    object_meta = ObjectMeta(name=NAME, namespace=NAMESPACE, labels={"test": "true"})
+    selector = LabelSelector(matchLabels={"app": "my-app"})
+    spec = PodDisruptionBudgetSpec(maxUnavailable=1, selector=selector)
+    return PodDisruptionBudget(metadata=object_meta, spec=spec)
+
+
+def _uri(namespace, name=""):
+    uri = "/apis/policy/v1/namespaces/{namespace}/poddisruptionbudgets/{name}"
+    return uri.format(name=name, namespace=namespace)