support nfs volumes

examples/nfs-volume.pod

@@ -0,0 +1,20 @@
+{
+  "resource": {
+    "vcpu": 1,
+    "memory": 1024
+  },
+  "containers": [{
+      "image": "ubuntu",
+      "volumes": [{
+	"volume": "sharevolume",
+	"path": "/export",
+	"readOnly": false
+      }]
+  }],
+  "volumes": [{
+    "name": "sharevolume",
+    "source": "192.168.80.72:/export",
+    "format": "nas",
+    "fstype": "nfs"
+  }]
+}

hack/lib/test.sh

@@ -119,6 +119,23 @@ hyper::test::service() {
     hyper::test::run_attached_pod ${HYPER_ROOT}/hack/pods/service.pod
 }
 
+hyper::test::nfs_volume() {
+  echo "create nfs volume server"
+  server=$(sudo hyperctl run -d hyperhq/nfs-server-tester | sed -ne "s/POD id is \(.*\)/\1/p")
+  ip=$(sudo hyperctl exec $server ip addr |sed -ne "s|.* \(.*\)/24.*|\1|p")
+  sleep 10 # nfs-server-tester takes a bit long to init in hykins
+  echo "create nfs volume client"
+  sed -e "s/NFSSERVER/$ip/" ${HYPER_ROOT}/hack/pods/nfs-client.pod > ${HYPER_TEMP}/nfs-client.pod
+  client=$(sudo hyperctl run -p ${HYPER_TEMP}/nfs-client.pod | sed -ne "s/POD id is \(.*\)/\1/p")
+  echo "check nfs file in nfs volume: /export/foo"
+  sleep 1 # sleep a bit to let client cmd to run
+  res=$(sudo hyperctl exec $server ls /export | grep foo > /dev/null 2>&1; echo $?)
+  echo "clean up nfs client/server"
+  sudo hyperctl rm $server $client
+  echo "check result should be 0, got: $res"
+  test $res -eq 0
+}
+
 hyper::test::command() {
   id=$(sudo hyperctl run -t -d gcr.io/google_containers/etcd:2.0.9 /usr/local/bin/etcd | sed -ne "s/POD id is \(.*\)/\1/p")
   sudo hyperctl rm $id

hack/pods/nfs-client.pod

@@ -0,0 +1,21 @@
+{
+  "resource": {
+    "vcpu": 1,
+    "memory": 256
+  },
+  "containers": [{
+      "image": "busybox",
+      "command": ["/bin/sh", "-c", "touch /export/foo"],
+      "volumes": [{
+	"volume": "sharevolume",
+	"path": "/export",
+	"readOnly": false
+      }]
+  }],
+  "volumes": [{
+    "name": "sharevolume",
+    "source": "NFSSERVER:/export",
+    "format": "nas",
+    "fstype": "nfs"
+  }]
+}

hack/test-cmd.sh

@@ -176,6 +176,7 @@ __EOF__
   hyper::test::map_file
   hyper::test::with_volume
   hyper::test::service
+  hyper::test::nfs_volume
 
   stop_hyperd
 }

types/validate.go

@@ -19,6 +19,7 @@ func (pod *UserPod) Validate() error {
 		"vdi":   true,
 		"vfs":   true,
 		"rbd":   true,
+		"nas":   true,
 	}
 
 	hostnameLen := len(pod.Hostname)