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package main
import (
"context"
"github.com/containers/libpod/cmd/podman/shared"
"github.com/containers/libpod/libpod"
"github.com/containers/libpod/libpod/adapter"
"github.com/pkg/errors"
"github.com/sirupsen/logrus"
"github.com/urfave/cli"
)
var (
pruneContainersDescription = `
podman container prune
Removes all exited containers
`
pruneContainersCommand = cli.Command{
Name: "prune",
Usage: "Remove all stopped containers",
Description: pruneContainersDescription,
Action: pruneContainersCmd,
OnUsageError: usageErrorHandler,
}
)
func pruneContainers(runtime *adapter.LocalRuntime, ctx context.Context, maxWorkers int, force bool) error {
var deleteFuncs []shared.ParallelWorkerInput
filter := func(c *libpod.Container) bool {
state, err := c.State()
if state == libpod.ContainerStateStopped || (state == libpod.ContainerStateExited && err == nil && c.PodID() == "") {
return true
}
return false
}
delContainers, err := runtime.GetContainers(filter)
if err != nil {
return err
}
if len(delContainers) < 1 {
return nil
}
for _, container := range delContainers {
con := container
f := func() error {
return runtime.RemoveContainer(ctx, con, force)
}
deleteFuncs = append(deleteFuncs, shared.ParallelWorkerInput{
ContainerID: con.ID(),
ParallelFunc: f,
})
}
// Run the parallel funcs
deleteErrors, errCount := shared.ParallelExecuteWorkerPool(maxWorkers, deleteFuncs)
return printParallelOutput(deleteErrors, errCount)
}
func pruneContainersCmd(c *cli.Context) error {
runtime, err := adapter.GetRuntime(c)
if err != nil {
return errors.Wrapf(err, "could not get runtime")
}
defer runtime.Shutdown(false)
maxWorkers := shared.Parallelize("rm")
if c.GlobalIsSet("max-workers") {
maxWorkers = c.GlobalInt("max-workers")
}
logrus.Debugf("Setting maximum workers to %d", maxWorkers)
return pruneContainers(runtime, getContext(), maxWorkers, c.Bool("force"))
}
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