MESOS: unified pod watcher implementation

contrib/mesos/pkg/executor/apis.go

@@ -0,0 +1,45 @@
+/*
+Copyright 2015 The Kubernetes Authors All rights reserved.
+
+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.
+*/
+
+package executor
+
+import (
+	"k8s.io/kubernetes/contrib/mesos/pkg/node"
+	"k8s.io/kubernetes/pkg/api"
+	client "k8s.io/kubernetes/pkg/client/unversioned"
+)
+
+type kubeAPI interface {
+	killPod(ns, name string) error
+}
+
+type nodeAPI interface {
+	createOrUpdate(hostname string, slaveAttrLabels, annotations map[string]string) (*api.Node, error)
+}
+
+// clientAPIWrapper implements kubeAPI and node API, which serve to isolate external dependencies
+// such that they're easier to mock in unit test.
+type clientAPIWrapper struct {
+	client *client.Client
+}
+
+func (cw *clientAPIWrapper) killPod(ns, name string) error {
+	return cw.client.Pods(ns).Delete(name, api.NewDeleteOptions(0))
+}
+
+func (cw *clientAPIWrapper) createOrUpdate(hostname string, slaveAttrLabels, annotations map[string]string) (*api.Node, error) {
+	return node.CreateOrUpdate(cw.client, hostname, slaveAttrLabels, annotations)
+}