spiegel_podman/cmd/podman/system/reset.go
Daniel J Walsh 389dcb5c29
Remove some more excessive wrapping and stuttering
Stop over wrapping API Calls

The API calls will return an appropriate error, and this wrapping
just makes the error message look like it is stuttering and a
big mess.

Signed-off-by: Daniel J Walsh <dwalsh@redhat.com>
2020-11-17 09:19:22 -05:00

84 lines
2.1 KiB
Go

// +build !remote
package system
import (
"bufio"
"fmt"
"os"
"strings"
"github.com/containers/common/pkg/completion"
"github.com/containers/podman/v2/cmd/podman/registry"
"github.com/containers/podman/v2/cmd/podman/validate"
"github.com/containers/podman/v2/pkg/domain/entities"
"github.com/containers/podman/v2/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 and container content will be removed.
`
systemResetCommand = &cobra.Command{
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{
Mode: []entities.EngineMode{entities.ABIMode},
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) {
// Prompt for confirmation if --force is not set
if !forceFlag {
reader := bufio.NewReader(os.Stdin)
fmt.Print(`
WARNING! This will remove:
- all containers
- all pods
- all images
- all build cache
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)
}
}
// 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(125)
}
defer engine.Shutdown(registry.Context())
if err := engine.Reset(registry.Context()); err != nil {
logrus.Error(err)
os.Exit(125)
}
os.Exit(0)
}