Add stop command (#45)

* added stop command

* readme update

README.md

@@ -118,3 +118,12 @@ To list all Actions instances running in a Kubernetes cluster:
 ```
 $ actions list --kubernetes
 ```
+
+#### Stop
+
+Use ```actions list``` to get a list of all running instances.
+To stop an actions app on your machine:
+
+```
+$ actions stop --app-id myAppID
+```

cmd/run.go

@@ -154,6 +154,7 @@ var RunCmd = &cobra.Command{
 				AppPort:      appPort,
 				Command:      strings.Join(args, " "),
 				Created:      actionsRunCreatedTime,
+				PID:          os.Getpid(),
 			})
 
 			print.SuccessStatusEvent(os.Stdout, "You're up and running! Both Actions and your app logs will appear here.\n")

cmd/stop.go

@@ -0,0 +1,29 @@
+package cmd
+
+import (
+	"os"
+
+	"github.com/actionscore/cli/pkg/print"
+	"github.com/actionscore/cli/pkg/standalone"
+	"github.com/spf13/cobra"
+)
+
+var stopAppID string
+
+var StopCmd = &cobra.Command{
+	Use:   "stop",
+	Short: "Stops a running Actions instance and its associated app",
+	Run: func(cmd *cobra.Command, args []string) {
+		err := standalone.Stop(stopAppID)
+		if err != nil {
+			print.FailureStatusEvent(os.Stdout, "failed to stop app id %s: %s", stopAppID, err)
+		} else {
+			print.SuccessStatusEvent(os.Stdout, "app stopped successfully")
+		}
+	},
+}
+
+func init() {
+	StopCmd.Flags().StringVarP(&stopAppID, "app-id", "", "", "app id to stop (standalone mode)")
+	RootCmd.AddCommand(StopCmd)
+}

pkg/rundata/rundata.go

@@ -30,6 +30,7 @@ type RunData struct {
 	AppPort      int
 	Command      string
 	Created      time.Time
+	PID          int
 }
 
 func AppendRunData(runData *RunData) error {

pkg/standalone/list.go

@@ -13,6 +13,7 @@ type ListOutput struct {
 	Command     string `csv:"COMMAND"`
 	Age         string `csv:"AGE"`
 	Created     string `csv:"CREATED"`
+	PID         int
 }
 
 func List() ([]ListOutput, error) {
@@ -30,6 +31,7 @@ func List() ([]ListOutput, error) {
 			ActionsPort: runtimeLine.ActionsPort,
 			Command:     utils.TruncateString(runtimeLine.Command, 20),
 			Created:     runtimeLine.Created.Format("2006-01-02 15:04.05"),
+			PID:         runtimeLine.PID,
 		}
 		if runtimeLine.AppPort > 0 {
 			listRow.AppPort = runtimeLine.AppPort

pkg/standalone/stop.go

@@ -0,0 +1,28 @@
+package standalone
+
+import (
+	"fmt"
+	"runtime"
+)
+
+func Stop(appID string) error {
+	apps, err := List()
+	if err != nil {
+		return err
+	}
+
+	for _, a := range apps {
+		if a.AppID == appID {
+			pid := fmt.Sprintf("%v", a.PID)
+			if runtime.GOOS == "windows" {
+				err := runCmd("taskkill", "/F", "/PID", pid)
+				return err
+			} else {
+				err := runCmd("kill", pid)
+				return err
+			}
+		}
+	}
+
+	return fmt.Errorf("couldn't find app id %s", appID)
+}