Fix npe in bind address & add kubeconfig

Author: mjudeikis

backend/server.go

@@ -357,6 +357,9 @@ func (s *Server) GetOIDCProvider(ctx context.Context) (*auth.OIDCServiceProvider
 }
 
 func (s *Server) Addr() net.Addr {
+	if s.WebServer == nil {
+		return nil
+	}
 	return s.WebServer.Addr()
 }
 

cmd/backend/main.go

@@ -98,7 +98,11 @@ func run(ctx context.Context) error {
 	if err := server.Run(ctx); err != nil {
 		return err
 	}
-	logger.Info("Listening", "address", server.Addr())
+	if addr := server.Addr(); addr != nil {
+		logger.Info("Listening", "address", addr)
+	} else {
+		logger.Info("Running in backend-only mode (no HTTP frontend)")
+	}
 
 	<-ctx.Done()
 

deploy/charts/backend/templates/deployment.yaml

@@ -58,6 +58,12 @@ spec:
           {{- end }}
           args:
             - --listen-address={{ .Values.backend.listenAddress }}
+            {{- if .Values.backend.kubeconfig }}
+            - --kubeconfig={{ .Values.backend.kubeconfig }}
+            {{- end }}
+            {{- if .Values.backend.context }}
+            - --context={{ .Values.backend.context }}
+            {{- end }}
             {{- if .Values.backend.logLevel }}
             - --log-level={{ .Values.backend.logLevel }}
             {{- end }}

deploy/charts/backend/values.yaml

@@ -9,6 +9,10 @@ replicaCount: 1
 backend:
   # -- Address the backend listens on
   listenAddress: "0.0.0.0:8080"
+  # -- Path to a kubeconfig file. Only required if out-of-cluster
+  kubeconfig: ""
+  # -- The name of the kubeconfig context to use
+  context: ""
   # -- External address clients use to reach the backend
   externalAddress: ""
   # -- External server name for TLS SNI