Merge pull request #314 from chrishenzie/single-node-access-modes

Advertise SINGLE_NODE_MULTI_WRITER capability

Author: k8s-ci-robot

go.mod

@@ -3,7 +3,7 @@ module github.com/kubernetes-csi/csi-driver-host-path
 go 1.16
 
 require (
-	github.com/container-storage-interface/spec v1.4.0
+	github.com/container-storage-interface/spec v1.5.0
 	github.com/go-logr/logr v0.3.0 // indirect
 	github.com/golang/glog v0.0.0-20160126235308-23def4e6c14b
 	github.com/golang/protobuf v1.4.3

go.sum

@@ -94,8 +94,8 @@ github.com/cncf/udpa/go v0.0.0-20200629203442-efcf912fb354/go.mod h1:WmhPx2Nbnht
 github.com/cockroachdb/datadriven v0.0.0-20190809214429-80d97fb3cbaa/go.mod h1:zn76sxSg3SzpJ0PPJaLDCu+Bu0Lg3sKTORVIj19EIF8=
 github.com/codegangsta/negroni v1.0.0/go.mod h1:v0y3T5G7Y1UlFfyxFn/QLRU4a2EuNau2iZY63YTKWo0=
 github.com/container-storage-interface/spec v1.2.0/go.mod h1:6URME8mwIBbpVyZV93Ce5St17xBiQJQY67NDsuohiy4=
-github.com/container-storage-interface/spec v1.4.0 h1:ozAshSKxpJnYUfmkpZCTYyF/4MYeYlhdXbAvPvfGmkg=
-github.com/container-storage-interface/spec v1.4.0/go.mod h1:6URME8mwIBbpVyZV93Ce5St17xBiQJQY67NDsuohiy4=
+github.com/container-storage-interface/spec v1.5.0 h1:lvKxe3uLgqQeVQcrnL2CPQKISoKjTJxojEs9cBk+HXo=
+github.com/container-storage-interface/spec v1.5.0/go.mod h1:8K96oQNkJ7pFcC2R9Z1ynGGBB1I93kcS6PGg3SsOk8s=
 github.com/containerd/cgroups v0.0.0-20200531161412-0dbf7f05ba59/go.mod h1:pA0z1pT8KYB3TCXK/ocprsh7MAkoW8bZVzPdih9snmM=
 github.com/containerd/console v0.0.0-20180822173158-c12b1e7919c1/go.mod h1:Tj/on1eG8kiEhd0+fhSDzsPAFESxzBBvdyEgyryXffw=
 github.com/containerd/console v1.0.0/go.mod h1:8Pf4gM6VEbTNRIT26AyyU7hxdQU3MvAvxVI0sc00XBE=

pkg/hostpath/controllerserver.go

@@ -797,6 +797,7 @@ func (hp *hostPath) getControllerServiceCapabilities() []*csi.ControllerServiceC
 			csi.ControllerServiceCapability_RPC_LIST_VOLUMES,
 			csi.ControllerServiceCapability_RPC_CLONE_VOLUME,
 			csi.ControllerServiceCapability_RPC_VOLUME_CONDITION,
+			csi.ControllerServiceCapability_RPC_SINGLE_NODE_MULTI_WRITER,
 		}
 		if hp.config.EnableVolumeExpansion {
 			cl = append(cl, csi.ControllerServiceCapability_RPC_EXPAND_VOLUME)

pkg/hostpath/nodeserver.go

@@ -382,6 +382,13 @@ func (hp *hostPath) NodeGetCapabilities(ctx context.Context, req *csi.NodeGetCap
 				},
 			},
 		},
+		{
+			Type: &csi.NodeServiceCapability_Rpc{
+				Rpc: &csi.NodeServiceCapability_RPC{
+					Type: csi.NodeServiceCapability_RPC_SINGLE_NODE_MULTI_WRITER,
+				},
+			},
+		},
 	}
 	if hp.config.EnableVolumeExpansion {
 		caps = append(caps, &csi.NodeServiceCapability{