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//go:build !remote
// +build !remote
package system
import (
"bufio"
"fmt"
"os"
"strings"
"github.com/containers/common/pkg/completion"
"github.com/containers/podman/v4/cmd/podman/registry"
"github.com/containers/podman/v4/cmd/podman/validate"
"github.com/containers/podman/v4/libpod/define"
"github.com/containers/podman/v4/pkg/domain/entities"
"github.com/containers/podman/v4/pkg/domain/infra"
"github.com/sirupsen/logrus"
"github.com/spf13/cobra"
)
var (
systemResetDescription = `Reset podman storage back to default state"
All containers will be stopped and removed, and all images, volumes, networks and container content will be removed.
`
systemResetCommand = &cobra.Command{
Annotations: map[string]string{registry.EngineMode: registry.ABIMode},
Use: "reset [options]",
Args: validate.NoArgs,
Short: "Reset podman storage",
Long: systemResetDescription,
Run: reset,
ValidArgsFunction: completion.AutocompleteNone,
}
forceFlag bool
)
func init() {
registry.Commands = append(registry.Commands, registry.CliCommand{
Command: systemResetCommand,
Parent: systemCmd,
})
flags := systemResetCommand.Flags()
flags.BoolVarP(&forceFlag, "force", "f", false, "Do not prompt for confirmation")
}
func reset(cmd *cobra.Command, args []string) {
// Get all the external containers in use
listCtn, _ := registry.ContainerEngine().ContainerListExternal(registry.Context())
listCtnIds := make([]string, 0, len(listCtn))
for _, externalCtn := range listCtn {
listCtnIds = append(listCtnIds, externalCtn.ID)
}
// Prompt for confirmation if --force is not set
if !forceFlag {
reader := bufio.NewReader(os.Stdin)
fmt.Println(`WARNING! This will remove:
- all containers
- all pods
- all images
- all networks
- all build cache`)
if len(listCtn) > 0 {
fmt.Println(`WARNING! The following external containers will be purged:`)
// print first 12 characters of ID and first configured name alias
for _, externalCtn := range listCtn {
fmt.Printf(" - %s (%s)\n", externalCtn.ID[0:12], externalCtn.Names[0])
}
}
fmt.Print(`Are you sure you want to continue? [y/N] `)
answer, err := reader.ReadString('\n')
if err != nil {
logrus.Error(err)
os.Exit(1)
}
if strings.ToLower(answer)[0] != 'y' {
os.Exit(0)
}
}
// Purge all the external containers with storage
_, err := registry.ContainerEngine().ContainerRm(registry.Context(), listCtnIds, entities.RmOptions{Force: true, All: true, Ignore: true, Volumes: true})
if err != nil {
logrus.Error(err)
}
// Shutdown all running engines, `reset` will hijack repository
registry.ContainerEngine().Shutdown(registry.Context())
registry.ImageEngine().Shutdown(registry.Context())
engine, err := infra.NewSystemEngine(entities.ResetMode, registry.PodmanConfig())
if err != nil {
logrus.Error(err)
os.Exit(define.ExecErrorCodeGeneric)
}
defer engine.Shutdown(registry.Context())
if err := engine.Reset(registry.Context()); err != nil {
logrus.Error(err)
// FIXME change this to return the error like other commands
// defer will never run on os.Exit()
//nolint:gocritic
os.Exit(define.ExecErrorCodeGeneric)
}
os.Exit(0)
}
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