Update server / set new values (#70)

Add serverSetCmd

Adds `gscloud server set` command.

cmd/server.go

@@ -174,6 +174,29 @@ var serverCreateCmd = &cobra.Command{
 	},
 }
 
+var serverSetCmd = &cobra.Command{
+	Use:     "set [ID] [flags]",
+	Example: `./gscloud server set ID --cores N`,
+	Short:   "Update server",
+	Long:    `Update properties of an existing server.`,
+	Args:    cobra.ExactArgs(1),
+	Run: func(cmd *cobra.Command, args []string) {
+		serverOp := rt.ServerOperator()
+		ctx := context.Background()
+		err := serverOp.UpdateServer(
+			ctx,
+			args[0],
+			gsclient.ServerUpdateRequest{
+				Cores:  cores,
+				Memory: memory,
+				Name:   serverName,
+			})
+		if err != nil {
+			log.Fatalf("Failed: %s", err)
+		}
+	},
+}
+
 func init() {
 	serverOffCmd.PersistentFlags().BoolVarP(&forceShutdown, "force", "f", false, "Force shutdown (no ACPI)")
 
@@ -185,6 +208,10 @@ func init() {
 	serverCreateCmd.PersistentFlags().StringVar(&hostName, "hostname", "", "Hostname")
 	serverCreateCmd.PersistentFlags().StringVar(&plainPassword, "password", "", "Plain-text password")
 
-	serverCmd.AddCommand(serverLsCmd, serverOnCmd, serverOffCmd, serverRmCmd, serverCreateCmd)
+	serverSetCmd.PersistentFlags().IntVar(&memory, "mem", 0, "Memory (GB)")
+	serverSetCmd.PersistentFlags().IntVar(&cores, "cores", 0, "No. of cores")
+	serverSetCmd.PersistentFlags().StringVar(&serverName, "name", "", "Name of the server")
+
+	serverCmd.AddCommand(serverLsCmd, serverOnCmd, serverOffCmd, serverRmCmd, serverCreateCmd, serverSetCmd)
 	rootCmd.AddCommand(serverCmd)
 }

cmd/server_test.go

@@ -48,6 +48,10 @@ func (o mockServerOp) CreateServerStorage(ctx context.Context, id string, body g
 	return nil
 }
 
+func (o mockServerOp) UpdateServer(ctx context.Context, id string, body gsclient.ServerUpdateRequest) error {
+	return nil
+}
+
 func Test_ServerCommmandDelete(t *testing.T) {
 	r, w, _ := os.Pipe()
 	rt, _ = runtime.NewTestRuntime()

runtime/runtime.go

@@ -52,6 +52,7 @@ type ServerOperator interface {
 	GetTemplateByName(ctx context.Context, name string) (gsclient.Template, error)
 	CreateStorage(ctx context.Context, body gsclient.StorageCreateRequest) (gsclient.CreateResponse, error)
 	CreateServerStorage(ctx context.Context, id string, body gsclient.ServerStorageRelationCreateRequest) error
+	UpdateServer(ctx context.Context, id string, body gsclient.ServerUpdateRequest) error
 }
 
 // NetworkOperator interface that amalgamates all operations regarding network objects.