automation-tests/cmd/podman/machine/rm.go

142 lines
3.3 KiB
Go

//go:build amd64 || arm64
package machine
import (
"bufio"
"fmt"
"os"
"strings"
"github.com/containers/podman/v5/cmd/podman/registry"
"github.com/containers/podman/v5/libpod/events"
"github.com/containers/podman/v5/pkg/machine"
"github.com/containers/podman/v5/pkg/machine/define"
"github.com/containers/podman/v5/pkg/machine/shim"
"github.com/containers/podman/v5/pkg/machine/vmconfigs"
"github.com/sirupsen/logrus"
"github.com/spf13/cobra"
)
var (
rmCmd = &cobra.Command{
Use: "rm [options] [MACHINE]",
Short: "Remove an existing machine",
Long: "Remove a managed virtual machine ",
PersistentPreRunE: machinePreRunE,
RunE: rm,
Args: cobra.MaximumNArgs(1),
Example: `podman machine rm podman-machine-default`,
ValidArgsFunction: autocompleteMachine,
}
)
var (
destroyOptions machine.RemoveOptions
)
func init() {
registry.Commands = append(registry.Commands, registry.CliCommand{
Command: rmCmd,
Parent: machineCmd,
})
flags := rmCmd.Flags()
formatFlagName := "force"
flags.BoolVarP(&destroyOptions.Force, formatFlagName, "f", false, "Stop and do not prompt before rming")
ignitionFlagName := "save-ignition"
flags.BoolVar(&destroyOptions.SaveIgnition, ignitionFlagName, false, "Do not delete ignition file")
imageFlagName := "save-image"
flags.BoolVar(&destroyOptions.SaveImage, imageFlagName, false, "Do not delete the image file")
}
func rm(_ *cobra.Command, args []string) error {
var (
err error
)
vmName := defaultMachineName
if len(args) > 0 && len(args[0]) > 0 {
vmName = args[0]
}
dirs, err := machine.GetMachineDirs(provider.VMType())
if err != nil {
return err
}
mc, err := vmconfigs.LoadMachineByName(vmName, dirs)
if err != nil {
return err
}
state, err := provider.State(mc, false)
if err != nil {
return err
}
if state == define.Running {
if !destroyOptions.Force {
return &define.ErrVMRunningCannotDestroyed{Name: vmName}
}
if err := shim.Stop(mc, provider, dirs, true); err != nil {
return err
}
}
rmFiles, genericRm, err := mc.Remove(destroyOptions.SaveIgnition, destroyOptions.SaveImage)
if err != nil {
return err
}
providerFiles, providerRm, err := provider.Remove(mc)
if err != nil {
return err
}
// Add provider specific files to the list
rmFiles = append(rmFiles, providerFiles...)
// Important!
// Nothing can be removed at this point. The user can still opt out below
//
if !destroyOptions.Force {
// Warn user
confirmationMessage(rmFiles)
reader := bufio.NewReader(os.Stdin)
fmt.Print("Are you sure you want to continue? [y/N] ")
answer, err := reader.ReadString('\n')
if err != nil {
return err
}
if strings.ToLower(answer)[0] != 'y' {
return nil
}
}
//
// All actual removal of files and vms should occur after this
//
// TODO Should this be a hard error?
if err := providerRm(); err != nil {
logrus.Errorf("failed to remove virtual machine from provider for %q", vmName)
}
// TODO Should this be a hard error?
if err := genericRm(); err != nil {
logrus.Error("failed to remove machines files")
}
newMachineEvent(events.Remove, events.Event{Name: vmName})
return nil
}
func confirmationMessage(files []string) {
fmt.Printf("The following files will be deleted:\n\n\n")
for _, msg := range files {
fmt.Println(msg)
}
}