vendor update for CSI 0.3.0

vendor/k8s.io/kubernetes/test/integration/ipamperf/util.go

@@ -0,0 +1,95 @@
+/*
+Copyright 2018 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 ipamperf
+
+import (
+	"time"
+
+	"github.com/golang/glog"
+	"k8s.io/api/core/v1"
+	"k8s.io/apimachinery/pkg/api/errors"
+	"k8s.io/apimachinery/pkg/api/resource"
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	"k8s.io/apimachinery/pkg/runtime/schema"
+	clientset "k8s.io/client-go/kubernetes"
+	restclient "k8s.io/client-go/rest"
+)
+
+const (
+	maxCreateRetries = 10
+	retryDelay       = 10 * time.Second
+)
+
+var (
+	baseNodeTemplate = &v1.Node{
+		ObjectMeta: metav1.ObjectMeta{
+			GenerateName: "sample-node-",
+		},
+		Status: v1.NodeStatus{
+			Capacity: v1.ResourceList{
+				v1.ResourcePods:   *resource.NewQuantity(110, resource.DecimalSI),
+				v1.ResourceCPU:    resource.MustParse("4"),
+				v1.ResourceMemory: resource.MustParse("32Gi"),
+			},
+			Phase: v1.NodeRunning,
+			Conditions: []v1.NodeCondition{
+				{Type: v1.NodeReady, Status: v1.ConditionTrue},
+			},
+		},
+	}
+)
+
+func deleteNodes(apiURL string, config *Config) {
+	glog.Info("Deleting nodes")
+	clientSet := clientset.NewForConfigOrDie(&restclient.Config{
+		Host:          apiURL,
+		ContentConfig: restclient.ContentConfig{GroupVersion: &schema.GroupVersion{Group: "", Version: "v1"}},
+		QPS:           float32(config.CreateQPS),
+		Burst:         config.CreateQPS,
+	})
+	noGrace := int64(0)
+	if err := clientSet.CoreV1().Nodes().DeleteCollection(&metav1.DeleteOptions{GracePeriodSeconds: &noGrace}, metav1.ListOptions{}); err != nil {
+		glog.Errorf("Error deleting node: %v", err)
+	}
+}
+
+func createNodes(apiURL string, config *Config) error {
+	clientSet := clientset.NewForConfigOrDie(&restclient.Config{
+		Host:          apiURL,
+		ContentConfig: restclient.ContentConfig{GroupVersion: &schema.GroupVersion{Group: "", Version: "v1"}},
+		QPS:           float32(config.CreateQPS),
+		Burst:         config.CreateQPS,
+	})
+	glog.Infof("Creating %d nodes", config.NumNodes)
+	for i := 0; i < config.NumNodes; i++ {
+		var err error
+		for j := 0; j < maxCreateRetries; j++ {
+			if _, err = clientSet.CoreV1().Nodes().Create(baseNodeTemplate); err != nil && errors.IsServerTimeout(err) {
+				glog.Infof("Server timeout creating nodes, retrying after %v", retryDelay)
+				time.Sleep(retryDelay)
+				continue
+			}
+			break
+		}
+		if err != nil {
+			glog.Errorf("Error creating nodes: %v", err)
+			return err
+		}
+	}
+	glog.Infof("%d nodes created", config.NumNodes)
+	return nil
+}