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|
package main
import (
"fmt"
"os"
rt "runtime"
"github.com/containers/libpod/cmd/podman/libpodruntime"
"github.com/containers/libpod/libpod"
"github.com/containers/libpod/pkg/rootless"
"github.com/pkg/errors"
"github.com/urfave/cli"
)
var (
stopFlags = []cli.Flag{
cli.UintFlag{
Name: "timeout, time, t",
Usage: "Seconds to wait for stop before killing the container",
Value: libpod.CtrRemoveTimeout,
},
cli.BoolFlag{
Name: "all, a",
Usage: "stop all running containers",
}, LatestFlag,
}
stopDescription = `
podman 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: "Stop one or more containers",
Description: stopDescription,
Flags: sortFlags(stopFlags),
Action: stopCmd,
ArgsUsage: "CONTAINER-NAME [CONTAINER-NAME ...]",
OnUsageError: usageErrorHandler,
}
)
func stopCmd(c *cli.Context) error {
args := c.Args()
if (c.Bool("all") || c.Bool("latest")) && len(args) > 0 {
return errors.Errorf("no arguments are needed with --all or --latest")
}
if c.Bool("all") && c.Bool("latest") {
return errors.Errorf("--all and --latest cannot be used together")
}
if len(args) < 1 && !c.Bool("all") && !c.Bool("latest") {
return errors.Errorf("you must provide at least one container name or id")
}
if err := validateFlags(c, stopFlags); err != nil {
return err
}
rootless.SetSkipStorageSetup(true)
runtime, err := libpodruntime.GetRuntime(c)
if err != nil {
return errors.Wrapf(err, "could not get runtime")
}
defer runtime.Shutdown(false)
var filterFuncs []libpod.ContainerFilter
var containers []*libpod.Container
var lastError error
if c.Bool("all") {
// only get running containers
filterFuncs = append(filterFuncs, func(c *libpod.Container) bool {
state, _ := c.State()
return state == libpod.ContainerStateRunning
})
containers, err = runtime.GetContainers(filterFuncs...)
if err != nil {
return errors.Wrapf(err, "unable to get running containers")
}
} else if c.Bool("latest") {
lastCtr, err := runtime.GetLatestContainer()
if err != nil {
return errors.Wrapf(err, "unable to get last created container")
}
containers = append(containers, lastCtr)
} else {
for _, i := range args {
container, err := runtime.LookupContainer(i)
if err != nil {
if lastError != nil {
fmt.Fprintln(os.Stderr, lastError)
}
lastError = errors.Wrapf(err, "unable to find container %s", i)
continue
}
containers = append(containers, container)
}
}
var stopFuncs []workerInput
for _, ctr := range containers {
con := ctr
var stopTimeout uint
if c.IsSet("timeout") {
stopTimeout = c.Uint("timeout")
} else {
stopTimeout = ctr.StopTimeout()
}
f := func() error {
return con.StopWithTimeout(stopTimeout)
}
stopFuncs = append(stopFuncs, workerInput{
containerID: con.ID(),
parallelFunc: f,
})
}
stopErrors := parallelExecuteWorkerPool(rt.NumCPU()*3, stopFuncs)
for cid, result := range stopErrors {
if result != nil && result != libpod.ErrCtrStopped {
fmt.Println(result.Error())
lastError = result
continue
}
fmt.Println(cid)
}
return lastError
}
|
