Adds DetachByDropletID

storage_actions.go

@@ -8,6 +8,7 @@ import "fmt"
 type StorageActionsService interface {
 	Attach(volumeID string, dropletID int) (*Action, *Response, error)
 	Detach(volumeID string) (*Action, *Response, error)
+	DetachByDropletID(volumeID string, dropletID int) (*Action, *Response, error)
 	Get(volumeID string, actionID int) (*Action, *Response, error)
 	List(volumeID string, opt *ListOptions) ([]Action, *Response, error)
 	Resize(volumeID string, sizeGigabytes int, regionSlug string) (*Action, *Response, error)
@@ -42,6 +43,15 @@ func (s *StorageActionsServiceOp) Detach(volumeID string) (*Action, *Response, e
 	return s.doAction(volumeID, request)
 }
 
+// Detach a storage volume from a droplet by droplet ID.
+func (s *StorageActionsServiceOp) DetachByDropletID(volumeID string, dropletID int) (*Action, *Response, error) {
+	request := &ActionRequest{
+		"type":       "detach",
+		"droplet_id": dropletID,
+	}
+	return s.doAction(volumeID, request)
+}
+
 // Get an action for a particular storage volume by id.
 func (s *StorageActionsServiceOp) Get(volumeID string, actionID int) (*Action, *Response, error) {
 	path := fmt.Sprintf("%s/%d", storageAllocationActionPath(volumeID), actionID)

storage_actions_test.go

@@ -72,6 +72,38 @@ func TestStoragesActions_Detach(t *testing.T) {
 	}
 }
 
+func TestStoragesActions_DetachByDropletID(t *testing.T) {
+	setup()
+	defer teardown()
+	volumeID := "98d414c6-295e-4e3a-ac58-eb9456c1e1d1"
+	dropletID := 123456
+
+	detachByDropletIDRequest := &ActionRequest{
+		"type":       "detach",
+		"droplet_id": float64(dropletID), // encoding/json decodes numbers as floats
+	}
+
+	mux.HandleFunc("/v2/volumes/"+volumeID+"/actions", func(w http.ResponseWriter, r *http.Request) {
+		v := new(ActionRequest)
+		err := json.NewDecoder(r.Body).Decode(v)
+		if err != nil {
+			t.Fatalf("decode json: %v", err)
+		}
+
+		testMethod(t, r, "POST")
+		if !reflect.DeepEqual(v, detachByDropletIDRequest) {
+			t.Errorf("want=%#v", detachByDropletIDRequest)
+			t.Errorf("got=%#v", v)
+		}
+		fmt.Fprintf(w, `{"action":{"status":"in-progress"}}`)
+	})
+
+	_, _, err := client.StorageActions.DetachByDropletID(volumeID, dropletID)
+	if err != nil {
+		t.Errorf("StoragesActions.DetachByDropletID returned error: %v", err)
+	}
+}
+
 func TestStorageActions_Get(t *testing.T) {
 	setup()
 	defer teardown()