mirror of
https://github.com/podman-container-tools/podman.git
synced 2026-08-29 03:37:54 +00:00
3e5a5c68da
add a global flag for --max-workers so users can limit the number of parallel operations for a given function. also, when not limited by max-workers, we implement a heuristic function that returns the number of preferred parallel workers based on the number of CPUs and the given operation. Signed-off-by: baude <bbaude@redhat.com>
99 lines
2.4 KiB
Go
99 lines
2.4 KiB
Go
package main
|
|
|
|
import (
|
|
"fmt"
|
|
"github.com/containers/libpod/cmd/podman/libpodruntime"
|
|
"github.com/containers/libpod/cmd/podman/shared"
|
|
"github.com/containers/libpod/libpod"
|
|
"github.com/containers/libpod/pkg/rootless"
|
|
"github.com/pkg/errors"
|
|
"github.com/sirupsen/logrus"
|
|
"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 {
|
|
|
|
if err := checkAllAndLatest(c); err != nil {
|
|
return err
|
|
}
|
|
|
|
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)
|
|
|
|
containers, lastError := getAllOrLatestContainers(c, runtime, libpod.ContainerStateRunning, "running")
|
|
|
|
var stopFuncs []shared.ParallelWorkerInput
|
|
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, shared.ParallelWorkerInput{
|
|
ContainerID: con.ID(),
|
|
ParallelFunc: f,
|
|
})
|
|
}
|
|
|
|
maxWorkers := shared.Parallelize("stop")
|
|
if c.GlobalIsSet("max-workers") {
|
|
maxWorkers = c.GlobalInt("max-workers")
|
|
}
|
|
logrus.Debugf("Setting maximum workers to %d", maxWorkers)
|
|
|
|
stopErrors := shared.ParallelExecuteWorkerPool(maxWorkers, stopFuncs)
|
|
|
|
for cid, result := range stopErrors {
|
|
if result != nil && result != libpod.ErrCtrStopped {
|
|
fmt.Println(result.Error())
|
|
lastError = result
|
|
continue
|
|
}
|
|
fmt.Println(cid)
|
|
}
|
|
return lastError
|
|
}
|