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package main
import (
"bufio"
"fmt"
"os"
"strings"
"github.com/containers/libpod/cmd/podman/cliconfig"
"github.com/containers/libpod/cmd/podman/shared"
"github.com/containers/libpod/libpod/define"
"github.com/containers/libpod/pkg/adapter"
"github.com/pkg/errors"
"github.com/spf13/cobra"
)
var (
pruneContainersCommand cliconfig.PruneContainersValues
pruneContainersDescription = `
podman container prune
Removes all exited containers
`
_pruneContainersCommand = &cobra.Command{
Use: "prune",
Args: noSubArgs,
Short: "Remove all stopped containers",
Long: pruneContainersDescription,
RunE: func(cmd *cobra.Command, args []string) error {
pruneContainersCommand.InputArgs = args
pruneContainersCommand.GlobalFlags = MainGlobalOpts
pruneContainersCommand.Remote = remoteclient
return pruneContainersCmd(&pruneContainersCommand)
},
}
)
func init() {
pruneContainersCommand.Command = _pruneContainersCommand
pruneContainersCommand.SetHelpTemplate(HelpTemplate())
pruneContainersCommand.SetUsageTemplate(UsageTemplate())
flags := pruneContainersCommand.Flags()
flags.BoolVarP(&pruneContainersCommand.Force, "force", "f", false, "Force removal of a running container. The default is false")
flags.StringArrayVar(&pruneContainersCommand.Filter, "filter", []string{}, "Provide filter values (e.g. 'until=<timestamp>')")
}
func pruneContainersCmd(c *cliconfig.PruneContainersValues) error {
if !c.Force {
reader := bufio.NewReader(os.Stdin)
fmt.Printf(`WARNING! This will remove all stopped containers.
Are you sure you want to continue? [y/N] `)
answer, err := reader.ReadString('\n')
if err != nil {
return errors.Wrapf(err, "error reading input")
}
if strings.ToLower(answer)[0] != 'y' {
return nil
}
}
runtime, err := adapter.GetRuntime(getContext(), &c.PodmanCommand)
if err != nil {
return errors.Wrapf(err, "could not get runtime")
}
defer runtime.DeferredShutdown(false)
maxWorkers := shared.DefaultPoolSize("prune")
if c.GlobalIsSet("max-workers") {
maxWorkers = c.GlobalFlags.MaxWorks
}
ok, failures, err := runtime.Prune(getContext(), maxWorkers, c.Force, c.Filter)
if err != nil {
if errors.Cause(err) == define.ErrNoSuchCtr {
if len(c.InputArgs) > 1 {
exitCode = define.ExecErrorCodeGeneric
} else {
exitCode = 1
}
}
return err
}
if len(failures) > 0 {
exitCode = define.ExecErrorCodeGeneric
}
return printCmdResults(ok, failures)
}
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