132 lines
3.5 KiB
Go
132 lines
3.5 KiB
Go
package system
|
|
|
|
import (
|
|
"bufio"
|
|
"context"
|
|
"fmt"
|
|
"os"
|
|
"strings"
|
|
|
|
"github.com/containers/common/pkg/completion"
|
|
"github.com/containers/podman/v3/cmd/podman/common"
|
|
"github.com/containers/podman/v3/cmd/podman/parse"
|
|
"github.com/containers/podman/v3/cmd/podman/registry"
|
|
"github.com/containers/podman/v3/cmd/podman/utils"
|
|
"github.com/containers/podman/v3/cmd/podman/validate"
|
|
"github.com/containers/podman/v3/pkg/domain/entities"
|
|
"github.com/docker/go-units"
|
|
"github.com/spf13/cobra"
|
|
)
|
|
|
|
var (
|
|
pruneOptions = entities.SystemPruneOptions{}
|
|
filters []string
|
|
pruneDescription = `
|
|
podman system prune
|
|
|
|
Remove unused data
|
|
`
|
|
|
|
pruneCommand = &cobra.Command{
|
|
Use: "prune [options]",
|
|
Short: "Remove unused data",
|
|
Args: validate.NoArgs,
|
|
Long: pruneDescription,
|
|
RunE: prune,
|
|
ValidArgsFunction: completion.AutocompleteNone,
|
|
Example: `podman system prune`,
|
|
}
|
|
force bool
|
|
)
|
|
|
|
func init() {
|
|
registry.Commands = append(registry.Commands, registry.CliCommand{
|
|
Command: pruneCommand,
|
|
Parent: systemCmd,
|
|
})
|
|
flags := pruneCommand.Flags()
|
|
flags.BoolVarP(&force, "force", "f", false, "Do not prompt for confirmation. The default is false")
|
|
flags.BoolVarP(&pruneOptions.All, "all", "a", false, "Remove all unused data")
|
|
flags.BoolVar(&pruneOptions.Volume, "volumes", false, "Prune volumes")
|
|
filterFlagName := "filter"
|
|
flags.StringArrayVar(&filters, filterFlagName, []string{}, "Provide filter values (e.g. 'label=<key>=<value>')")
|
|
_ = pruneCommand.RegisterFlagCompletionFunc(filterFlagName, common.AutocompletePruneFilters)
|
|
}
|
|
|
|
func prune(cmd *cobra.Command, args []string) error {
|
|
var err error
|
|
// Prompt for confirmation if --force is not set
|
|
if !force {
|
|
reader := bufio.NewReader(os.Stdin)
|
|
volumeString := ""
|
|
if pruneOptions.Volume {
|
|
volumeString = `
|
|
- all volumes not used by at least one container`
|
|
}
|
|
|
|
fmt.Printf(createPruneWarningMessage(pruneOptions), volumeString, "Are you sure you want to continue? [y/N] ")
|
|
|
|
answer, err := reader.ReadString('\n')
|
|
if err != nil {
|
|
return err
|
|
}
|
|
if strings.ToLower(answer)[0] != 'y' {
|
|
return nil
|
|
}
|
|
}
|
|
|
|
pruneOptions.Filters, err = parse.FilterArgumentsIntoFilters(filters)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
response, err := registry.ContainerEngine().SystemPrune(context.Background(), pruneOptions)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
// Print container prune results
|
|
err = utils.PrintContainerPruneResults(response.ContainerPruneReports, true)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
// Print pod prune results
|
|
err = utils.PrintPodPruneResults(response.PodPruneReport, true)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
// Print Volume prune results
|
|
if pruneOptions.Volume {
|
|
err = utils.PrintVolumePruneResults(response.VolumePruneReports, true)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
}
|
|
// Print Images prune results
|
|
err = utils.PrintImagePruneResults(response.ImagePruneReports, true)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
fmt.Printf("Total reclaimed space: %s\n", units.HumanSize((float64)(response.ReclaimedSpace)))
|
|
return nil
|
|
}
|
|
|
|
func createPruneWarningMessage(pruneOpts entities.SystemPruneOptions) string {
|
|
if pruneOpts.All {
|
|
return `WARNING! This will remove:
|
|
- all stopped containers
|
|
- all networks not used by at least one container%s
|
|
- all images without at least one container associated to them
|
|
- all build cache
|
|
|
|
%s`
|
|
}
|
|
return `WARNING! This will remove:
|
|
- all stopped containers
|
|
- all networks not used by at least one container%s
|
|
- all dangling images
|
|
- all dangling build cache
|
|
|
|
%s`
|
|
}
|