Update to csi-lib-utils@v0.15.0

Manually update to csi-lib-utils@v0.15.0

It was necessary to update to kubernetes-csi/csi-test@v5.1.0 to remove dependency on cloud.google.com/go@v0.34

vendor/github.com/kubernetes-csi/csi-test/v5/driver/driver-controller.go

@@ -0,0 +1,110 @@
+/*
+Copyright 2019 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 driver
+
+import (
+	"context"
+	"net"
+	"sync"
+
+	"google.golang.org/grpc/reflection"
+
+	csi "github.com/container-storage-interface/spec/lib/go/csi"
+	"google.golang.org/grpc"
+)
+
+// CSIDriverControllerServer is the Controller service component of the driver.
+type CSIDriverControllerServer struct {
+	Controller csi.ControllerServer
+	Identity   csi.IdentityServer
+}
+
+// CSIDriverController is the CSI Driver Controller backend.
+type CSIDriverController struct {
+	listener         net.Listener
+	server           *grpc.Server
+	controllerServer *CSIDriverControllerServer
+	wg               sync.WaitGroup
+	running          bool
+	lock             sync.Mutex
+	creds            *CSICreds
+}
+
+func NewCSIDriverController(controllerServer *CSIDriverControllerServer) *CSIDriverController {
+	return &CSIDriverController{
+		controllerServer: controllerServer,
+	}
+}
+
+func (c *CSIDriverController) goServe(started chan<- bool) {
+	goServe(c.server, &c.wg, c.listener, started)
+}
+
+func (c *CSIDriverController) Address() string {
+	return c.listener.Addr().String()
+}
+
+func (c *CSIDriverController) Start(l net.Listener) error {
+	c.lock.Lock()
+	defer c.lock.Unlock()
+
+	// Set listener.
+	c.listener = l
+
+	// Create a new grpc server.
+	c.server = grpc.NewServer(
+		grpc.UnaryInterceptor(c.callInterceptor),
+	)
+
+	if c.controllerServer.Controller != nil {
+		csi.RegisterControllerServer(c.server, c.controllerServer.Controller)
+	}
+	if c.controllerServer.Identity != nil {
+		csi.RegisterIdentityServer(c.server, c.controllerServer.Identity)
+	}
+
+	reflection.Register(c.server)
+
+	waitForServer := make(chan bool)
+	c.goServe(waitForServer)
+	<-waitForServer
+	c.running = true
+	return nil
+}
+
+func (c *CSIDriverController) Stop() {
+	stop(&c.lock, &c.wg, c.server, c.running)
+}
+
+func (c *CSIDriverController) Close() {
+	c.server.Stop()
+}
+
+func (c *CSIDriverController) IsRunning() bool {
+	c.lock.Lock()
+	defer c.lock.Unlock()
+
+	return c.running
+}
+
+func (c *CSIDriverController) SetDefaultCreds() {
+	setDefaultCreds(c.creds)
+}
+
+func (c *CSIDriverController) callInterceptor(ctx context.Context, req interface{}, info *grpc.UnaryServerInfo, handler grpc.UnaryHandler) (interface{}, error) {
+	return callInterceptor(ctx, c.creds, req, info, handler)
+}