kpod stop -- stop one or more containers

Stop one or more containers. Specific a timeout value
that if the stop operation exceeds, will forcibly stop
the container.

Signed-off-by: baude <bbaude@redhat.com>

cmd/kpod/stop.go

@@ -0,0 +1,68 @@
+package main
+
+import (
+	"fmt"
+	"github.com/kubernetes-incubator/cri-o/libkpod"
+	"github.com/pkg/errors"
+	"github.com/sirupsen/logrus"
+	"github.com/urfave/cli"
+	"os"
+)
+
+var (
+	defaultTimeout int64 = 10
+	stopFlags            = []cli.Flag{
+		cli.Int64Flag{
+			Name:  "timeout, t",
+			Usage: "Seconds to wait for stop before killing the container",
+			Value: defaultTimeout,
+		},
+	}
+	stopDescription = "Stop one or more containers"
+	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.",
+		Description: stopDescription,
+		Flags:       stopFlags,
+		Action:      stopCmd,
+		ArgsUsage:   "CONTAINER-NAME",
+	}
+)
+
+func stopCmd(c *cli.Context) error {
+	args := c.Args()
+	stopTimeout := c.Int64("timeout")
+	if len(args) < 1 {
+		return errors.Errorf("you must provide at least one container name or id")
+	}
+
+	config, err := getConfig(c)
+	if err != nil {
+		return errors.Wrapf(err, "could not get config")
+	}
+	server, err := libkpod.New(config)
+	if err != nil {
+		return errors.Wrapf(err, "could not get container server")
+	}
+	defer server.Shutdown()
+	err = server.Update()
+	if err != nil {
+		return errors.Wrapf(err, "could not update list of containers")
+	}
+	hadError := false
+	for _, container := range c.Args() {
+		cid, err := server.ContainerStop(container, stopTimeout)
+		if err != nil {
+			hadError = true
+			logrus.Error(err)
+		} else {
+			fmt.Println(cid)
+		}
+	}
+
+	if hadError {
+		os.Exit(1)
+	}
+	return nil
+}