108 lines
2.3 KiB
Go
108 lines
2.3 KiB
Go
package main
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import (
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"bufio"
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"fmt"
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"os"
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"strings"
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"github.com/containers/libpod/cmd/podman/shared"
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"github.com/containers/libpod/libpod/adapter"
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"github.com/pkg/errors"
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"github.com/sirupsen/logrus"
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"github.com/urfave/cli"
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)
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var (
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pruneSystemDescription = `
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podman system prune
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Remove unused data
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`
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pruneSystemFlags = []cli.Flag{
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cli.BoolFlag{
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Name: "all, a",
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Usage: "Remove all unused data",
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},
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cli.BoolFlag{
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Name: "force, f",
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Usage: "Do not prompt for confirmation",
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},
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cli.BoolFlag{
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Name: "volumes",
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Usage: "Prune volumes",
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},
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}
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pruneSystemCommand = cli.Command{
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Name: "prune",
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Usage: "Remove unused data",
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Description: pruneSystemDescription,
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Action: pruneSystemCmd,
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OnUsageError: usageErrorHandler,
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Flags: pruneSystemFlags,
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}
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)
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func pruneSystemCmd(c *cli.Context) error {
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// Prompt for confirmation if --force is not set
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if !c.Bool("force") {
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reader := bufio.NewReader(os.Stdin)
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volumeString := ""
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if c.Bool("volumes") {
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volumeString = `
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- all volumes not used by at least one container`
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}
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fmt.Printf(`
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WARNING! This will remove:
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- all stopped containers%s
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- all dangling images
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- all build cache
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Are you sure you want to continue? [y/N] `, volumeString)
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ans, err := reader.ReadString('\n')
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if err != nil {
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return errors.Wrapf(err, "error reading input")
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}
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if strings.ToLower(ans)[0] != 'y' {
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return nil
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}
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}
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runtime, err := adapter.GetRuntime(c)
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if err != nil {
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return errors.Wrapf(err, "could not get runtime")
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}
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defer runtime.Shutdown(false)
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ctx := getContext()
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fmt.Println("Deleted Containers")
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lasterr := pruneContainers(runtime, ctx, shared.Parallelize("rm"), false)
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if c.Bool("volumes") {
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fmt.Println("Deleted Volumes")
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err := volumePrune(runtime, getContext())
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if err != nil {
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if lasterr != nil {
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logrus.Errorf("%q", lasterr)
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}
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lasterr = err
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}
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}
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// Call prune; if any cids are returned, print them and then
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// return err in case an error also came up
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pruneCids, err := runtime.PruneImages(c.Bool("all"))
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if len(pruneCids) > 0 {
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fmt.Println("Deleted Images")
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for _, cid := range pruneCids {
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fmt.Println(cid)
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}
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}
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if err != nil {
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if lasterr != nil {
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logrus.Errorf("%q", lasterr)
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}
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lasterr = err
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}
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return lasterr
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}
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