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package commands
import (
"context"
"fmt"
"time"
"github.com/docker/buildx/builder"
"github.com/docker/buildx/store"
"github.com/docker/buildx/store/storeutil"
"github.com/docker/buildx/util/cobrautil/completion"
"github.com/docker/cli/cli/command"
"github.com/pkg/errors"
"github.com/spf13/cobra"
"golang.org/x/sync/errgroup"
)
type rmOptions struct {
builders []string
keepState bool
keepDaemon bool
allInactive bool
force bool
}
const (
rmInactiveWarning = `WARNING! This will remove all builders that are not in running state. Are you sure you want to continue?`
)
func runRm(ctx context.Context, dockerCli command.Cli, in rmOptions) error {
if in.allInactive && !in.force {
if ok, err := prompt(ctx, dockerCli.In(), dockerCli.Out(), rmInactiveWarning); err != nil {
return err
} else if !ok {
return nil
}
}
txn, release, err := storeutil.GetStore(dockerCli)
if err != nil {
return err
}
defer release()
if in.allInactive {
return rmAllInactive(ctx, txn, dockerCli, in)
}
eg, _ := errgroup.WithContext(ctx)
for _, name := range in.builders {
func(name string) {
eg.Go(func() (err error) {
defer func() {
if err == nil {
_, _ = fmt.Fprintf(dockerCli.Err(), "%s removed\n", name)
} else {
_, _ = fmt.Fprintf(dockerCli.Err(), "failed to remove %s: %v\n", name, err)
}
}()
b, err := builder.New(dockerCli,
builder.WithName(name),
builder.WithStore(txn),
builder.WithSkippedValidation(),
)
if err != nil {
return err
}
nodes, err := b.LoadNodes(ctx)
if err != nil {
return err
}
if cb := b.ContextName(); cb != "" {
return errors.Errorf("context builder cannot be removed, run `docker context rm %s` to remove this context", cb)
}
err1 := rm(ctx, nodes, in)
if err := txn.Remove(b.Name); err != nil {
return err
}
if err1 != nil {
return err1
}
return nil
})
}(name)
}
if err := eg.Wait(); err != nil {
return errors.New("failed to remove one or more builders")
}
return nil
}
func rmCmd(dockerCli command.Cli, rootOpts *rootOptions) *cobra.Command {
var options rmOptions
cmd := &cobra.Command{
Use: "rm [OPTIONS] [NAME] [NAME...]",
Short: "Remove one or more builder instances",
RunE: func(cmd *cobra.Command, args []string) error {
options.builders = []string{rootOpts.builder}
if len(args) > 0 {
if options.allInactive {
return errors.New("cannot specify builder name when --all-inactive is set")
}
options.builders = args
}
return runRm(cmd.Context(), dockerCli, options)
},
ValidArgsFunction: completion.BuilderNames(dockerCli),
}
flags := cmd.Flags()
flags.BoolVar(&options.keepState, "keep-state", false, "Keep BuildKit state")
flags.BoolVar(&options.keepDaemon, "keep-daemon", false, "Keep the BuildKit daemon running")
flags.BoolVar(&options.allInactive, "all-inactive", false, "Remove all inactive builders")
flags.BoolVarP(&options.force, "force", "f", false, "Do not prompt for confirmation")
return cmd
}
func rm(ctx context.Context, nodes []builder.Node, in rmOptions) (err error) {
for _, node := range nodes {
if node.Driver == nil {
continue
}
// Do not stop the buildkitd daemon when --keep-daemon is provided
if !in.keepDaemon {
if err := node.Driver.Stop(ctx, true); err != nil {
return err
}
}
if err := node.Driver.Rm(ctx, true, !in.keepState, !in.keepDaemon); err != nil {
return err
}
if node.Err != nil {
err = node.Err
}
}
return err
}
func rmAllInactive(ctx context.Context, txn *store.Txn, dockerCli command.Cli, in rmOptions) error {
builders, err := builder.GetBuilders(dockerCli, txn)
if err != nil {
return err
}
timeoutCtx, cancel := context.WithTimeout(ctx, 20*time.Second)
defer cancel()
eg, _ := errgroup.WithContext(timeoutCtx)
for _, b := range builders {
func(b *builder.Builder) {
eg.Go(func() error {
nodes, err := b.LoadNodes(timeoutCtx, builder.WithData())
if err != nil {
return errors.Wrapf(err, "cannot load %s", b.Name)
}
if b.Dynamic {
return nil
}
if b.Inactive() {
rmerr := rm(ctx, nodes, in)
if err := txn.Remove(b.Name); err != nil {
return err
}
_, _ = fmt.Fprintf(dockerCli.Err(), "%s removed\n", b.Name)
return rmerr
}
return nil
})
}(b)
}
return eg.Wait()
}
|
