Support VNC API call, to get VNC URL.

openstack/compute/v2/servers/fixtures.go

@@ -446,6 +446,19 @@ func HandleRebootSuccessfully(t *testing.T) {
 	})
 }
 
+// HandleVncSuccessfully sets up the test server to respond to a VNC request with success.
+func HandleVncSuccessfully(t *testing.T) {
+	th.Mux.HandleFunc("/servers/1234asdf/action", func(w http.ResponseWriter, r *http.Request) {
+		th.TestMethod(t, r, "POST")
+		th.TestHeader(t, r, "X-Auth-Token", client.TokenID)
+		th.TestJSONRequest(t, r, `{ "os-getVNCConsole": { "type": "novnc" } }`)
+
+		w.WriteHeader(http.StatusOK)
+		w.Header().Add("Content-Type", "application/json")
+		w.Write([]byte(`{ "console": { "type": "novnc", "url": "http://example.com/vnc_auto.html?token=f9906a48-b71e-4f18-baca-c987da3ebdb3" } }`))
+	})
+}
+
 // HandleRebuildSuccessfully sets up the test server to respond to a rebuild request with success.
 func HandleRebuildSuccessfully(t *testing.T, response string) {
 	th.Mux.HandleFunc("/servers/1234asdf/action", func(w http.ResponseWriter, r *http.Request) {

openstack/compute/v2/servers/requests.go

@@ -438,6 +438,39 @@ func Reboot(client *gophercloud.ServiceClient, id string, how RebootMethod) Acti
 	return res
 }
 
+// VncType indicates what kind of VNC connection to request.
+type VncType string
+
+// These constants determine what kind of VNC connection to request in Vnc()
+const (
+	NoVnc VncType = "novnc"
+	XvpVnc = "xvpvnc"
+)
+
+// Vnc returns the VNC URL for the given VncType.
+func Vnc(client *gophercloud.ServiceClient, id string, t VncType) VncResult {
+	var res VncResult
+
+	if id == "" {
+		res.Err = fmt.Errorf("ID is required")
+		return res
+	} else if t == "" {
+		res.Err = fmt.Errorf("vnc type is required")
+		return res
+	}
+
+	reqBody := struct {
+		C map[string]string `json:"os-getVNCConsole"`
+	}{
+		map[string]string{"type": string(t)},
+	}
+
+	_, res.Err = client.Post(actionURL(client, id), reqBody, &res.Body, &gophercloud.RequestOpts{
+		OkCodes: []int{200},
+	})
+	return res
+}
+
 // RebuildOptsBuilder is an interface that allows extensions to override the
 // default behaviour of rebuild options
 type RebuildOptsBuilder interface {

openstack/compute/v2/servers/requests_test.go

@@ -124,6 +124,17 @@ func TestRebootServer(t *testing.T) {
 	th.AssertNoErr(t, res.Err)
 }
 
+func TestVncServer(t *testing.T) {
+	th.SetupHTTP()
+	defer th.TeardownHTTP()
+	HandleVncSuccessfully(t)
+
+	res := Vnc(client.ServiceClient(), "1234asdf", NoVnc)
+	th.AssertNoErr(t, res.Err)
+	url, _ := res.Extract()
+	th.AssertEquals(t, "http://example.com/vnc_auto.html?token=f9906a48-b71e-4f18-baca-c987da3ebdb3", url)
+}
+
 func TestRebuildServer(t *testing.T) {
 	th.SetupHTTP()
 	defer th.TeardownHTTP()

openstack/compute/v2/servers/results.go

@@ -72,6 +72,31 @@ type ActionResult struct {
 	gophercloud.ErrResult
 }
 
+// VncResult represents the result of a server VNC request
+type VncResult struct {
+	ActionResult
+}
+
+// VncConsole represents VNC call response.
+type VncConsole struct {
+	Type string `mapstructure:"type"`
+	Url string `mapstructure:"url"`
+}
+
+// Extract interprets VncResult as a VNC URL if possible.
+func (r VncResult) Extract() (string, error) {
+	if r.Err != nil {
+		return "", r.Err
+	}
+
+	var response struct {
+		Console VncConsole `mapstructure:"console"`
+	}
+
+	err := mapstructure.Decode(r.Body, &response)
+	return response.Console.Url, err
+}
+
 // RescueResult represents the result of a server rescue operation
 type RescueResult struct {
 	ActionResult