Files
docker-cli/cli/command/container/prune.go
Kir Kolyshkin 6f8070deb2 Switch from x/net/context to context
Since go 1.7, "context" is a standard package. Since go 1.9,
x/net/context merely provides some types aliased to those in
the standard context package.

The changes were performed by the following script:

for f in $(git ls-files \*.go | grep -v ^vendor/); do
	sed -i 's|golang.org/x/net/context|context|' $f
	goimports -w $f
	for i in 1 2; do
		awk '/^$/ {e=1; next;}
			/\t"context"$/ {e=0;}
			{if (e) {print ""; e=0}; print;}' < $f > $f.new && \
				mv $f.new $f
		goimports -w $f
	done
done

[v2: do awk/goimports fixup twice]
Signed-off-by: Kir Kolyshkin <kolyshkin@gmail.com>
2018-05-11 16:49:43 -07:00

79 lines
2.2 KiB
Go

package container
import (
"context"
"fmt"
"github.com/docker/cli/cli"
"github.com/docker/cli/cli/command"
"github.com/docker/cli/opts"
units "github.com/docker/go-units"
"github.com/spf13/cobra"
)
type pruneOptions struct {
force bool
filter opts.FilterOpt
}
// NewPruneCommand returns a new cobra prune command for containers
func NewPruneCommand(dockerCli command.Cli) *cobra.Command {
options := pruneOptions{filter: opts.NewFilterOpt()}
cmd := &cobra.Command{
Use: "prune [OPTIONS]",
Short: "Remove all stopped containers",
Args: cli.NoArgs,
RunE: func(cmd *cobra.Command, args []string) error {
spaceReclaimed, output, err := runPrune(dockerCli, options)
if err != 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"},
}
flags := cmd.Flags()
flags.BoolVarP(&options.force, "force", "f", false, "Do not prompt for confirmation")
flags.Var(&options.filter, "filter", "Provide filter values (e.g. 'until=<timestamp>')")
return cmd
}
const warning = `WARNING! This will remove all stopped containers.
Are you sure you want to continue?`
func runPrune(dockerCli command.Cli, options pruneOptions) (spaceReclaimed uint64, output string, err error) {
pruneFilters := command.PruneFilters(dockerCli, options.filter.Value())
if !options.force && !command.PromptForConfirmation(dockerCli.In(), dockerCli.Out(), warning) {
return 0, "", nil
}
report, err := dockerCli.Client().ContainersPrune(context.Background(), pruneFilters)
if err != nil {
return 0, "", err
}
if len(report.ContainersDeleted) > 0 {
output = "Deleted Containers:\n"
for _, id := range report.ContainersDeleted {
output += id + "\n"
}
spaceReclaimed = report.SpaceReclaimed
}
return spaceReclaimed, output, nil
}
// RunPrune calls the Container Prune API
// This returns the amount of space reclaimed and a detailed output string
func RunPrune(dockerCli command.Cli, filter opts.FilterOpt) (uint64, string, error) {
return runPrune(dockerCli, pruneOptions{force: true, filter: filter})
}