Merge pull request #909 from rhatdan/lastError

We should not be exiting with exit(1)

cmd/kpod/main.go

@@ -105,7 +105,7 @@ func main() {
 		if debug {
 			logrus.Errorf(err.Error())
 		} else {
-			fmt.Println(err.Error())
+			fmt.Fprintln(os.Stderr, err.Error())
 		}
 		cli.OsExiter(1)
 	}

cmd/kpod/stop.go

@@ -2,11 +2,11 @@ package main
 
 import (
 	"fmt"
+	"os"
+
 	"github.com/kubernetes-incubator/cri-o/libkpod"
 	"github.com/pkg/errors"
-	"github.com/sirupsen/logrus"
 	"github.com/urfave/cli"
-	"os"
 )
 
 var (
@@ -18,15 +18,21 @@ var (
 			Value: defaultTimeout,
 		},
 	}
-	stopDescription = "Stop one or more containers"
+	stopDescription = `
+   kpod stop
+
+   Stops one or more running containers.  The container name or ID can be used.
+   A timeout to forcibly stop the container can also be set but defaults to 10
+   seconds otherwise.
+`
+
 	stopCommand = cli.Command{
 		Name:        "stop",
-		Usage: "Stops one or more running containers.  The container name or ID can be used.  A timeout to forcibly" +
-			" stop the container can also be set but defaults to 10 seconds otherwise.",
+		Usage:       "Stop one or more containers",
 		Description: stopDescription,
 		Flags:       stopFlags,
 		Action:      stopCmd,
-		ArgsUsage:   "CONTAINER-NAME",
+		ArgsUsage:   "CONTAINER-NAME [CONTAINER-NAME ...]",
 	}
 )
 
@@ -50,19 +56,18 @@ func stopCmd(c *cli.Context) error {
 	if err != nil {
 		return errors.Wrapf(err, "could not update list of containers")
 	}
-	hadError := false
+	var lastError error
 	for _, container := range c.Args() {
 		cid, err := server.ContainerStop(container, stopTimeout)
 		if err != nil {
-			hadError = true
-			logrus.Error(err)
+			if lastError != nil {
+				fmt.Fprintln(os.Stderr, lastError)
+			}
+			lastError = errors.Wrapf(err, "failed to stop container %v", container)
 		} else {
 			fmt.Println(cid)
 		}
 	}
 
-	if hadError {
-		os.Exit(1)
-	}
-	return nil
+	return lastError
 }