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>
97 lines
2.4 KiB
Go
97 lines
2.4 KiB
Go
package main
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import (
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"fmt"
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"github.com/containers/libpod/cmd/podman/libpodruntime"
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"github.com/containers/libpod/cmd/podman/shared"
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"github.com/containers/libpod/libpod"
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"github.com/pkg/errors"
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"github.com/sirupsen/logrus"
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"github.com/urfave/cli"
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)
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var (
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rmFlags = []cli.Flag{
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cli.BoolFlag{
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Name: "all, a",
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Usage: "Remove all containers",
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},
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cli.BoolFlag{
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Name: "force, f",
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Usage: "Force removal of a running container. The default is false",
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},
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LatestFlag,
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cli.BoolFlag{
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Name: "volumes, v",
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Usage: "Remove the volumes associated with the container (Not implemented yet)",
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},
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}
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rmDescription = fmt.Sprintf(`
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Podman rm will remove one or more containers from the host.
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The container name or ID can be used. This does not remove images.
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Running containers will not be removed without the -f option.
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`)
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rmCommand = cli.Command{
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Name: "rm",
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Usage: "Remove one or more containers",
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Description: rmDescription,
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Flags: sortFlags(rmFlags),
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Action: rmCmd,
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ArgsUsage: "",
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UseShortOptionHandling: true,
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OnUsageError: usageErrorHandler,
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}
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)
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// saveCmd saves the image to either docker-archive or oci
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func rmCmd(c *cli.Context) error {
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var (
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delContainers []*libpod.Container
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lastError error
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deleteFuncs []shared.ParallelWorkerInput
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)
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ctx := getContext()
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if err := validateFlags(c, rmFlags); err != nil {
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return err
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}
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runtime, err := libpodruntime.GetRuntime(c)
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if err != nil {
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return errors.Wrapf(err, "could not get runtime")
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}
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defer runtime.Shutdown(false)
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if err := checkAllAndLatest(c); err != nil {
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return err
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}
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delContainers, lastError = getAllOrLatestContainers(c, runtime, -1, "all")
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for _, container := range delContainers {
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con := container
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f := func() error {
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return runtime.RemoveContainer(ctx, con, c.Bool("force"))
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}
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deleteFuncs = append(deleteFuncs, shared.ParallelWorkerInput{
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ContainerID: con.ID(),
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ParallelFunc: f,
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})
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}
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maxWorkers := shared.Parallelize("rm")
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if c.GlobalIsSet("max-workers") {
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maxWorkers = c.GlobalInt("max-workers")
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}
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logrus.Debugf("Setting maximum workers to %d", maxWorkers)
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deleteErrors := shared.ParallelExecuteWorkerPool(maxWorkers, deleteFuncs)
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for cid, result := range deleteErrors {
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if result != nil {
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fmt.Println(result.Error())
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lastError = result
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continue
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}
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fmt.Println(cid)
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}
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return lastError
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}
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