Add version to /status endpoint (#2295)

* Add version to /status endpoint

* Add version to test

* Fix linting errors

server/controllers/status_controller.go

@@ -11,21 +11,24 @@ import (
 
 // StatusController handles the status of Atlantis.
 type StatusController struct {
-	Logger  logging.SimpleLogging
-	Drainer *events.Drainer
+	Logger          logging.SimpleLogging
+	Drainer         *events.Drainer
+	AtlantisVersion string
 }
 
 type StatusResponse struct {
-	ShuttingDown  bool `json:"shutting_down"`
-	InProgressOps int  `json:"in_progress_operations"`
+	ShuttingDown    bool   `json:"shutting_down"`
+	InProgressOps   int    `json:"in_progress_operations"`
+	AtlantisVersion string `json:"version"`
 }
 
 // Get is the GET /status route.
 func (d *StatusController) Get(w http.ResponseWriter, r *http.Request) {
 	status := d.Drainer.GetStatus()
 	data, err := json.MarshalIndent(&StatusResponse{
-		ShuttingDown:  status.ShuttingDown,
-		InProgressOps: status.InProgressOps,
+		ShuttingDown:    status.ShuttingDown,
+		InProgressOps:   status.InProgressOps,
+		AtlantisVersion: d.AtlantisVersion,
 	}, "", "  ")
 	if err != nil {
 		w.WriteHeader(http.StatusInternalServerError)

server/controllers/status_controller_test.go

@@ -20,8 +20,9 @@ func TestStatusController_Startup(t *testing.T) {
 	w := httptest.NewRecorder()
 	dr := &events.Drainer{}
 	d := &controllers.StatusController{
-		Logger:  logger,
-		Drainer: dr,
+		Logger:          logger,
+		Drainer:         dr,
+		AtlantisVersion: "1.0.0",
 	}
 	d.Get(w, r)
 
@@ -43,8 +44,9 @@ func TestStatusController_InProgress(t *testing.T) {
 	dr.StartOp()
 
 	d := &controllers.StatusController{
-		Logger:  logger,
-		Drainer: dr,
+		Logger:          logger,
+		Drainer:         dr,
+		AtlantisVersion: "1.0.0",
 	}
 	d.Get(w, r)
 
@@ -66,8 +68,9 @@ func TestStatusController_Shutdown(t *testing.T) {
 	dr.ShutdownBlocking()
 
 	d := &controllers.StatusController{
-		Logger:  logger,
-		Drainer: dr,
+		Logger:          logger,
+		Drainer:         dr,
+		AtlantisVersion: "1.0.0",
 	}
 	d.Get(w, r)
 

server/server.go

@@ -472,8 +472,9 @@ func NewServer(userConfig UserConfig, config Config) (*Server, error) {
 	}
 	drainer := &events.Drainer{}
 	statusController := &controllers.StatusController{
-		Logger:  logger,
-		Drainer: drainer,
+		Logger:          logger,
+		Drainer:         drainer,
+		AtlantisVersion: config.AtlantisVersion,
 	}
 	preWorkflowHooksCommandRunner := &events.DefaultPreWorkflowHooksCommandRunner{
 		VCSClient:             vcsClient,