Update CSI spec and other kube dependencies to latest

Signed-off-by: Humble Chirammal <hchiramm@redhat.com>

go.mod

@@ -3,41 +3,67 @@ module github.com/kubernetes-csi/csi-driver-iscsi
 go 1.16
 
 require (
-	github.com/container-storage-interface/spec v1.2.0
+	github.com/container-storage-interface/spec v1.4.0
 	github.com/kubernetes-csi/csi-lib-iscsi v0.0.0-20190415173011-c545557492f4
 	github.com/kubernetes-csi/csi-lib-utils v0.2.0
-	github.com/onsi/gomega v1.8.1 // indirect
-	github.com/spf13/cobra v1.0.0
-	golang.org/x/net v0.0.0-20200707034311-ab3426394381
-	google.golang.org/grpc v1.27.0
-	k8s.io/klog/v2 v2.2.0
-	k8s.io/kubernetes v1.19.4
-	k8s.io/utils v0.0.0-20200729134348-d5654de09c73
+	github.com/spf13/cobra v1.1.3
+	golang.org/x/net v0.0.0-20210510120150-4163338589ed
+	google.golang.org/grpc v1.37.1
+	k8s.io/apimachinery v0.21.1-rc.0 // indirect
+	k8s.io/klog/v2 v2.8.0
+	k8s.io/kubernetes v1.21.1
+	k8s.io/mount-utils v0.21.1-rc.0 // indirect
+	k8s.io/utils v0.0.0-20210305010621-2afb4311ab10
 )
 
-replace (
-	k8s.io/api => k8s.io/api v0.19.4
-	k8s.io/apiextensions-apiserver => k8s.io/apiextensions-apiserver v0.19.4
-	k8s.io/apimachinery => k8s.io/apimachinery v0.19.4
-	k8s.io/apiserver => k8s.io/apiserver v0.19.4
-	k8s.io/cli-runtime => k8s.io/cli-runtime v0.19.4
-	k8s.io/client-go => k8s.io/client-go v0.19.4
-	k8s.io/cloud-provider => k8s.io/cloud-provider v0.19.4
-	k8s.io/cluster-bootstrap => k8s.io/cluster-bootstrap v0.19.4
-	k8s.io/code-generator => k8s.io/code-generator v0.19.4
-	k8s.io/component-base => k8s.io/component-base v0.19.4
-	k8s.io/cri-api => k8s.io/cri-api v0.19.4
-	k8s.io/csi-translation-lib => k8s.io/csi-translation-lib v0.19.4
-	k8s.io/kube-aggregator => k8s.io/kube-aggregator v0.19.4
-	k8s.io/kube-controller-manager => k8s.io/kube-controller-manager v0.19.4
-	k8s.io/kube-proxy => k8s.io/kube-proxy v0.19.4
-	k8s.io/kube-scheduler => k8s.io/kube-scheduler v0.19.4
-	k8s.io/kubectl => k8s.io/kubectl v0.19.4
-	k8s.io/kubelet => k8s.io/kubelet v0.19.4
-	k8s.io/legacy-cloud-providers => k8s.io/legacy-cloud-providers v0.19.4
-	k8s.io/metrics => k8s.io/metrics v0.19.4
-	k8s.io/node-api => k8s.io/node-api v0.19.4
-	k8s.io/sample-apiserver => k8s.io/sample-apiserver v0.19.4
-	k8s.io/sample-cli-plugin => k8s.io/sample-cli-plugin v0.19.4
-	k8s.io/sample-controller => k8s.io/sample-controller v0.19.4
-)
+replace k8s.io/api => k8s.io/api v0.21.0
+
+replace k8s.io/apiextensions-apiserver => k8s.io/apiextensions-apiserver v0.21.0
+
+replace k8s.io/apimachinery => k8s.io/apimachinery v0.21.1-rc.0
+
+replace k8s.io/apiserver => k8s.io/apiserver v0.21.0
+
+replace k8s.io/cli-runtime => k8s.io/cli-runtime v0.21.0
+
+replace k8s.io/client-go => k8s.io/client-go v0.21.0
+
+replace k8s.io/cloud-provider => k8s.io/cloud-provider v0.21.0
+
+replace k8s.io/cluster-bootstrap => k8s.io/cluster-bootstrap v0.21.0
+
+replace k8s.io/code-generator => k8s.io/code-generator v0.21.1-rc.0
+
+replace k8s.io/component-base => k8s.io/component-base v0.21.0
+
+replace k8s.io/component-helpers => k8s.io/component-helpers v0.21.0
+
+replace k8s.io/controller-manager => k8s.io/controller-manager v0.21.0
+
+replace k8s.io/cri-api => k8s.io/cri-api v0.21.1-rc.0
+
+replace k8s.io/csi-translation-lib => k8s.io/csi-translation-lib v0.21.0
+
+replace k8s.io/kube-aggregator => k8s.io/kube-aggregator v0.21.0
+
+replace k8s.io/kube-controller-manager => k8s.io/kube-controller-manager v0.21.0
+
+replace k8s.io/kube-proxy => k8s.io/kube-proxy v0.21.0
+
+replace k8s.io/kube-scheduler => k8s.io/kube-scheduler v0.21.0
+
+replace k8s.io/kubectl => k8s.io/kubectl v0.21.0
+
+replace k8s.io/kubelet => k8s.io/kubelet v0.21.0
+
+replace k8s.io/legacy-cloud-providers => k8s.io/legacy-cloud-providers v0.21.0
+
+replace k8s.io/metrics => k8s.io/metrics v0.21.0
+
+replace k8s.io/mount-utils => k8s.io/mount-utils v0.21.1-rc.0
+
+replace k8s.io/sample-apiserver => k8s.io/sample-apiserver v0.21.0
+
+replace k8s.io/sample-cli-plugin => k8s.io/sample-cli-plugin v0.21.0
+
+replace k8s.io/sample-controller => k8s.io/sample-controller v0.21.0

pkg/iscsi/controllerserver.go

@@ -81,3 +81,7 @@ func (cs *ControllerServer) ListSnapshots(ctx context.Context, req *csi.ListSnap
 func (cs *ControllerServer) ControllerExpandVolume(ctx context.Context, req *csi.ControllerExpandVolumeRequest) (*csi.ControllerExpandVolumeResponse, error) {
 	return nil, status.Error(codes.Unimplemented, "")
 }
+
+func (cs *ControllerServer) ControllerGetVolume(ctx context.Context, req *csi.ControllerGetVolumeRequest) (*csi.ControllerGetVolumeResponse, error) {
+	return nil, status.Error(codes.Unimplemented, "")
+}