mirror of
https://gitea.com/Lydanne/buildx.git
synced 2025-11-04 18:13:42 +08:00
132 lines
3.0 KiB
Go
132 lines
3.0 KiB
Go
package commands
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import (
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"io"
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"net"
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"os"
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"github.com/containerd/platforms"
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"github.com/docker/buildx/build"
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"github.com/docker/buildx/builder"
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"github.com/docker/buildx/util/progress"
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"github.com/docker/cli/cli/command"
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"github.com/moby/buildkit/util/appcontext"
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"github.com/moby/buildkit/util/progress/progressui"
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v1 "github.com/opencontainers/image-spec/specs-go/v1"
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"github.com/pkg/errors"
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"github.com/spf13/cobra"
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"golang.org/x/sync/errgroup"
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)
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type stdioOptions struct {
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builder string
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platform string
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progress string
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}
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func runDialStdio(dockerCli command.Cli, opts stdioOptions) error {
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ctx := appcontext.Context()
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contextPathHash, _ := os.Getwd()
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b, err := builder.New(dockerCli,
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builder.WithName(opts.builder),
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builder.WithContextPathHash(contextPathHash),
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)
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if err != nil {
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return err
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}
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if err = updateLastActivity(dockerCli, b.NodeGroup); err != nil {
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return errors.Wrapf(err, "failed to update builder last activity time")
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}
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nodes, err := b.LoadNodes(ctx)
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if err != nil {
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return err
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}
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printer, err := progress.NewPrinter(ctx, os.Stderr, progressui.DisplayMode(opts.progress), progress.WithPhase("dial-stdio"), progress.WithDesc("builder: "+b.Name, "builder:"+b.Name))
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if err != nil {
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return err
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}
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var p *v1.Platform
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if opts.platform != "" {
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pp, err := platforms.Parse(opts.platform)
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if err != nil {
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return errors.Wrapf(err, "invalid platform %q", opts.platform)
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}
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p = &pp
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}
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defer printer.Wait()
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return progress.Wrap("Proxying to builder", printer.Write, func(sub progress.SubLogger) error {
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var conn net.Conn
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err := sub.Wrap("Dialing builder", func() error {
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conn, err = build.Dial(ctx, nodes, printer, p)
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if err != nil {
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return err
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}
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return nil
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})
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if err != nil {
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return err
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}
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defer conn.Close()
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go func() {
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<-ctx.Done()
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closeWrite(conn)
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}()
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var eg errgroup.Group
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eg.Go(func() error {
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_, err := io.Copy(conn, os.Stdin)
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closeWrite(conn)
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return err
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})
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eg.Go(func() error {
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_, err := io.Copy(os.Stdout, conn)
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closeRead(conn)
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return err
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})
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return eg.Wait()
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})
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}
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func closeRead(conn net.Conn) error {
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if c, ok := conn.(interface{ CloseRead() error }); ok {
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return c.CloseRead()
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}
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return conn.Close()
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}
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func closeWrite(conn net.Conn) error {
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if c, ok := conn.(interface{ CloseWrite() error }); ok {
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return c.CloseWrite()
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}
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return conn.Close()
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}
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func dialStdioCmd(dockerCli command.Cli, rootOpts *rootOptions) *cobra.Command {
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opts := stdioOptions{}
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cmd := &cobra.Command{
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Use: "dial-stdio",
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Short: "Proxy current stdio streams to builder instance",
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Args: cobra.NoArgs,
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RunE: func(cmd *cobra.Command, args []string) error {
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opts.builder = rootOpts.builder
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return runDialStdio(dockerCli, opts)
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},
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}
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flags := cmd.Flags()
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flags.StringVar(&opts.platform, "platform", os.Getenv("DOCKER_DEFAULT_PLATFORM"), "Target platform: this is used for node selection")
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flags.StringVar(&opts.progress, "progress", "quiet", `Set type of progress output ("auto", "plain", "tty", "rawjson"). Use plain to show container output`)
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return cmd
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}
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