package main import ( "fmt" "syscall" "github.com/containers/libpod/cmd/podman/libpodruntime" "github.com/docker/docker/pkg/signal" "github.com/pkg/errors" "github.com/sirupsen/logrus" "github.com/urfave/cli" ) var ( podKillFlags = []cli.Flag{ cli.BoolFlag{ Name: "all, a", Usage: "Kill all containers in all pods", }, cli.StringFlag{ Name: "signal, s", Usage: "Signal to send to the containers in the pod", Value: "KILL", }, LatestPodFlag, } podKillDescription = "The main process of each container inside the specified pod will be sent SIGKILL, or any signal specified with option --signal." podKillCommand = cli.Command{ Name: "kill", Usage: "Send the specified signal or SIGKILL to containers in pod", Description: podKillDescription, Flags: podKillFlags, Action: podKillCmd, ArgsUsage: "[POD_NAME_OR_ID]", UseShortOptionHandling: true, } ) // podKillCmd kills one or more pods with a signal func podKillCmd(c *cli.Context) error { if err := checkMutuallyExclusiveFlags(c); err != nil { return err } runtime, err := libpodruntime.GetRuntime(c) if err != nil { return errors.Wrapf(err, "could not get runtime") } defer runtime.Shutdown(false) var killSignal uint = uint(syscall.SIGTERM) if c.String("signal") != "" { // Check if the signalString provided by the user is valid // Invalid signals will return err sysSignal, err := signal.ParseSignal(c.String("signal")) if err != nil { return err } killSignal = uint(sysSignal) } // getPodsFromContext returns an error when a requested pod // isn't found. The only fatal error scenerio is when there are no pods // in which case the following loop will be skipped. pods, lastError := getPodsFromContext(c, runtime) for _, pod := range pods { ctr_errs, err := pod.Kill(killSignal) if ctr_errs != nil { for ctr, err := range ctr_errs { if lastError != nil { logrus.Errorf("%q", lastError) } lastError = errors.Wrapf(err, "unable to kill container %q in pod %q", ctr, pod.ID()) } continue } if err != nil { if lastError != nil { logrus.Errorf("%q", lastError) } lastError = errors.Wrapf(err, "unable to kill pod %q", pod.ID()) continue } fmt.Println(pod.ID()) } return lastError }