From ec4060aef6c77c049fc2c3b6438ebb5590f6ab69 Mon Sep 17 00:00:00 2001
From: Sujil02 <sushah@redhat.com>
Date: Wed, 8 Apr 2020 04:49:32 -0400
Subject: Ability to prune container in api V2
Adds ability to prune containers for v2.
Adds client side prompt with force flag and filters options to prune.
Signed-off-by: Sujil02 <sushah@redhat.com>
---
cmd/podman/containers_prune.go | 4 +-
cmd/podmanV2/containers/prune.go | 86 ++++++++++++++++++++++++++++++++++++++++
2 files changed, 88 insertions(+), 2 deletions(-)
create mode 100644 cmd/podmanV2/containers/prune.go
(limited to 'cmd')
diff --git a/cmd/podman/containers_prune.go b/cmd/podman/containers_prune.go
index cd9817e7e..3953a489d 100644
--- a/cmd/podman/containers_prune.go
+++ b/cmd/podman/containers_prune.go
@@ -19,12 +19,12 @@ var (
pruneContainersDescription = `
podman container prune
- Removes all exited containers
+ Removes all stopped | exited containers
`
_pruneContainersCommand = &cobra.Command{
Use: "prune",
Args: noSubArgs,
- Short: "Remove all stopped containers",
+ Short: "Remove all stopped | exited containers",
Long: pruneContainersDescription,
RunE: func(cmd *cobra.Command, args []string) error {
pruneContainersCommand.InputArgs = args
diff --git a/cmd/podmanV2/containers/prune.go b/cmd/podmanV2/containers/prune.go
new file mode 100644
index 000000000..2d3af5d1d
--- /dev/null
+++ b/cmd/podmanV2/containers/prune.go
@@ -0,0 +1,86 @@
+package containers
+
+import (
+ "bufio"
+ "context"
+ "fmt"
+ "net/url"
+ "os"
+ "strings"
+
+ "github.com/containers/libpod/cmd/podmanV2/registry"
+ "github.com/containers/libpod/cmd/podmanV2/utils"
+ "github.com/containers/libpod/pkg/domain/entities"
+ "github.com/pkg/errors"
+ "github.com/spf13/cobra"
+)
+
+var (
+ pruneDescription = fmt.Sprintf(`podman container prune
+
+ Removes all stopped | exited containers`)
+ pruneCommand = &cobra.Command{
+ Use: "prune [flags]",
+ Short: "Remove all stopped | exited 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 (
+ errs utils.OutputErrors
+ 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 stopped 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
+ }
+ for k := range responses.ID {
+ fmt.Println(k)
+ }
+ for _, v := range responses.Err {
+ errs = append(errs, v)
+ }
+ return errs.PrintErrors()
+}
--
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