Replace godep with dep

vendor/k8s.io/kubernetes/plugin/pkg/admission/defaulttolerationseconds/admission.go

@@ -0,0 +1,119 @@
+/*
+Copyright 2017 The Kubernetes 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.
+*/
+
+package defaulttolerationseconds
+
+import (
+	"flag"
+	"fmt"
+	"io"
+
+	"k8s.io/apimachinery/pkg/api/errors"
+	"k8s.io/apiserver/pkg/admission"
+	"k8s.io/kubernetes/pkg/api"
+	"k8s.io/kubernetes/pkg/api/helper"
+	"k8s.io/kubernetes/plugin/pkg/scheduler/algorithm"
+)
+
+var (
+	defaultNotReadyTolerationSeconds = flag.Int64("default-not-ready-toleration-seconds", 300,
+		"Indicates the tolerationSeconds of the toleration for notReady:NoExecute"+
+			" that is added by default to every pod that does not already have such a toleration.")
+
+	defaultUnreachableTolerationSeconds = flag.Int64("default-unreachable-toleration-seconds", 300,
+		"Indicates the tolerationSeconds of the toleration for unreachable:NoExecute"+
+			" that is added by default to every pod that does not already have such a toleration.")
+)
+
+// Register registers a plugin
+func Register(plugins *admission.Plugins) {
+	plugins.Register("DefaultTolerationSeconds", func(config io.Reader) (admission.Interface, error) {
+		return NewDefaultTolerationSeconds(), nil
+	})
+}
+
+// plugin contains the client used by the admission controller
+// It will add default tolerations for every pod
+// that tolerate taints `notReady:NoExecute` and `unreachable:NoExecute`,
+// with tolerationSeconds of 300s.
+// If the pod already specifies a toleration for taint `notReady:NoExecute`
+// or `unreachable:NoExecute`, the plugin won't touch it.
+type plugin struct {
+	*admission.Handler
+}
+
+// NewDefaultTolerationSeconds creates a new instance of the DefaultTolerationSeconds admission controller
+func NewDefaultTolerationSeconds() admission.Interface {
+	return &plugin{
+		Handler: admission.NewHandler(admission.Create, admission.Update),
+	}
+}
+
+func (p *plugin) Admit(attributes admission.Attributes) (err error) {
+	if attributes.GetResource().GroupResource() != api.Resource("pods") {
+		return nil
+	}
+
+	if len(attributes.GetSubresource()) > 0 {
+		// only run the checks below on pods proper and not subresources
+		return nil
+	}
+
+	pod, ok := attributes.GetObject().(*api.Pod)
+	if !ok {
+		return errors.NewBadRequest(fmt.Sprintf("expected *api.Pod but got %T", attributes.GetObject()))
+	}
+
+	tolerations := pod.Spec.Tolerations
+
+	toleratesNodeNotReady := false
+	toleratesNodeUnreachable := false
+	for _, toleration := range tolerations {
+		if (toleration.Key == algorithm.TaintNodeNotReady || len(toleration.Key) == 0) &&
+			(toleration.Effect == api.TaintEffectNoExecute || len(toleration.Effect) == 0) {
+			toleratesNodeNotReady = true
+		}
+
+		if (toleration.Key == algorithm.TaintNodeUnreachable || len(toleration.Key) == 0) &&
+			(toleration.Effect == api.TaintEffectNoExecute || len(toleration.Effect) == 0) {
+			toleratesNodeUnreachable = true
+		}
+	}
+
+	// no change is required, return immediately
+	if toleratesNodeNotReady && toleratesNodeUnreachable {
+		return nil
+	}
+
+	if !toleratesNodeNotReady {
+		helper.AddOrUpdateTolerationInPod(pod, &api.Toleration{
+			Key:               algorithm.TaintNodeNotReady,
+			Operator:          api.TolerationOpExists,
+			Effect:            api.TaintEffectNoExecute,
+			TolerationSeconds: defaultNotReadyTolerationSeconds,
+		})
+	}
+
+	if !toleratesNodeUnreachable {
+		helper.AddOrUpdateTolerationInPod(pod, &api.Toleration{
+			Key:               algorithm.TaintNodeUnreachable,
+			Operator:          api.TolerationOpExists,
+			Effect:            api.TaintEffectNoExecute,
+			TolerationSeconds: defaultUnreachableTolerationSeconds,
+		})
+	}
+	return nil
+}