mirror of https://github.com/docker/cli.git
108 lines
3.4 KiB
Go
108 lines
3.4 KiB
Go
package volume
|
|
|
|
import (
|
|
"context"
|
|
"fmt"
|
|
|
|
"github.com/docker/cli/cli"
|
|
"github.com/docker/cli/cli/command"
|
|
"github.com/docker/cli/cli/command/completion"
|
|
"github.com/docker/cli/opts"
|
|
"github.com/docker/docker/api/types/versions"
|
|
"github.com/docker/docker/errdefs"
|
|
units "github.com/docker/go-units"
|
|
"github.com/pkg/errors"
|
|
"github.com/spf13/cobra"
|
|
)
|
|
|
|
type pruneOptions struct {
|
|
all bool
|
|
force bool
|
|
filter opts.FilterOpt
|
|
}
|
|
|
|
// NewPruneCommand returns a new cobra prune command for volumes
|
|
func NewPruneCommand(dockerCli command.Cli) *cobra.Command {
|
|
options := pruneOptions{filter: opts.NewFilterOpt()}
|
|
|
|
cmd := &cobra.Command{
|
|
Use: "prune [OPTIONS]",
|
|
Short: "Remove unused local volumes",
|
|
Args: cli.NoArgs,
|
|
RunE: func(cmd *cobra.Command, args []string) error {
|
|
spaceReclaimed, output, err := runPrune(cmd.Context(), dockerCli, options)
|
|
if err != nil {
|
|
if errdefs.IsCancelled(err) {
|
|
fmt.Fprintln(dockerCli.Out(), output)
|
|
return nil
|
|
}
|
|
return err
|
|
}
|
|
if output != "" {
|
|
fmt.Fprintln(dockerCli.Out(), output)
|
|
}
|
|
fmt.Fprintln(dockerCli.Out(), "Total reclaimed space:", units.HumanSize(float64(spaceReclaimed)))
|
|
return nil
|
|
},
|
|
Annotations: map[string]string{"version": "1.25"},
|
|
ValidArgsFunction: completion.NoComplete,
|
|
}
|
|
|
|
flags := cmd.Flags()
|
|
flags.BoolVarP(&options.all, "all", "a", false, "Remove all unused volumes, not just anonymous ones")
|
|
flags.SetAnnotation("all", "version", []string{"1.42"})
|
|
flags.BoolVarP(&options.force, "force", "f", false, "Do not prompt for confirmation")
|
|
flags.Var(&options.filter, "filter", `Provide filter values (e.g. "label=<label>")`)
|
|
|
|
return cmd
|
|
}
|
|
|
|
const (
|
|
unusedVolumesWarning = `WARNING! This will remove anonymous local volumes not used by at least one container.
|
|
Are you sure you want to continue?`
|
|
allVolumesWarning = `WARNING! This will remove all local volumes not used by at least one container.
|
|
Are you sure you want to continue?`
|
|
)
|
|
|
|
func runPrune(ctx context.Context, dockerCli command.Cli, options pruneOptions) (spaceReclaimed uint64, output string, err error) {
|
|
pruneFilters := command.PruneFilters(dockerCli, options.filter.Value())
|
|
|
|
warning := unusedVolumesWarning
|
|
if versions.GreaterThanOrEqualTo(dockerCli.CurrentVersion(), "1.42") {
|
|
if options.all {
|
|
if pruneFilters.Contains("all") {
|
|
return 0, "", errdefs.InvalidParameter(errors.New("conflicting options: cannot specify both --all and --filter all=1"))
|
|
}
|
|
pruneFilters.Add("all", "true")
|
|
warning = allVolumesWarning
|
|
}
|
|
} else {
|
|
// API < v1.42 removes all volumes (anonymous and named) by default.
|
|
warning = allVolumesWarning
|
|
}
|
|
if !options.force && !command.PromptForConfirmation(dockerCli.In(), dockerCli.Out(), warning) {
|
|
return 0, "", errdefs.Cancelled(errors.New("user cancelled operation"))
|
|
}
|
|
|
|
report, err := dockerCli.Client().VolumesPrune(ctx, pruneFilters)
|
|
if err != nil {
|
|
return 0, "", err
|
|
}
|
|
|
|
if len(report.VolumesDeleted) > 0 {
|
|
output = "Deleted Volumes:\n"
|
|
for _, id := range report.VolumesDeleted {
|
|
output += id + "\n"
|
|
}
|
|
spaceReclaimed = report.SpaceReclaimed
|
|
}
|
|
|
|
return spaceReclaimed, output, nil
|
|
}
|
|
|
|
// RunPrune calls the Volume Prune API
|
|
// This returns the amount of space reclaimed and a detailed output string
|
|
func RunPrune(ctx context.Context, dockerCli command.Cli, _ bool, filter opts.FilterOpt) (uint64, string, error) {
|
|
return runPrune(ctx, dockerCli, pruneOptions{force: true, filter: filter})
|
|
}
|