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|
package containers
import (
"bufio"
"context"
"fmt"
"net/url"
"os"
"strings"
"github.com/containers/libpod/v2/cmd/podman/registry"
"github.com/containers/libpod/v2/cmd/podman/utils"
"github.com/containers/libpod/v2/pkg/domain/entities"
"github.com/pkg/errors"
"github.com/spf13/cobra"
)
var (
pruneDescription = fmt.Sprintf(`podman container prune
Removes all non running containers`)
pruneCommand = &cobra.Command{
Use: "prune [flags]",
Short: "Remove all non running containers",
Long: pruneDescription,
RunE: prune,
Example: `podman container prune`,
}
force bool
filter = []string{}
)
func init() {
registry.Commands = append(registry.Commands, registry.CliCommand{
Mode: []entities.EngineMode{entities.ABIMode, entities.TunnelMode},
Command: pruneCommand,
Parent: containerCmd,
})
flags := pruneCommand.Flags()
flags.BoolVarP(&force, "force", "f", false, "Do not prompt for confirmation. The default is false")
flags.StringArrayVar(&filter, "filter", []string{}, "Provide filter values (e.g. 'label=<key>=<value>')")
}
func prune(cmd *cobra.Command, args []string) error {
var (
pruneOptions = entities.ContainerPruneOptions{}
)
if len(args) > 0 {
return errors.Errorf("`%s` takes no arguments", cmd.CommandPath())
}
if !force {
reader := bufio.NewReader(os.Stdin)
fmt.Println("WARNING! This will remove all non running containers.")
fmt.Print("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
}
}
// TODO Remove once filter refactor is finished and url.Values done.
for _, f := range filter {
t := strings.SplitN(f, "=", 2)
pruneOptions.Filters = make(url.Values)
if len(t) < 2 {
return errors.Errorf("filter input must be in the form of filter=value: %s is invalid", f)
}
pruneOptions.Filters.Add(t[0], t[1])
}
responses, err := registry.ContainerEngine().ContainerPrune(context.Background(), pruneOptions)
if err != nil {
return err
}
return utils.PrintContainerPruneResults(responses)
}
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