mirror of https://github.com/docker/buildx.git
136 lines
2.9 KiB
Go
136 lines
2.9 KiB
Go
package commands
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import (
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"context"
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"fmt"
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"io"
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"strings"
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"text/tabwriter"
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"time"
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"github.com/docker/buildx/builder"
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"github.com/docker/buildx/store/storeutil"
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"github.com/docker/buildx/util/cobrautil"
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"github.com/docker/buildx/util/platformutil"
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"github.com/docker/cli/cli"
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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/spf13/cobra"
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"golang.org/x/sync/errgroup"
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)
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type lsOptions struct {
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}
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func runLs(dockerCli command.Cli, in lsOptions) error {
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ctx := appcontext.Context()
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txn, release, err := storeutil.GetStore(dockerCli)
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if err != nil {
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return err
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}
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defer release()
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current, err := storeutil.GetCurrentInstance(txn, dockerCli)
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if err != nil {
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return err
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}
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builders, err := builder.GetBuilders(dockerCli, txn)
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if err != nil {
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return err
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}
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timeoutCtx, cancel := context.WithTimeout(ctx, 20*time.Second)
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defer cancel()
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eg, _ := errgroup.WithContext(timeoutCtx)
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for _, b := range builders {
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func(b *builder.Builder) {
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eg.Go(func() error {
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_, _ = b.LoadNodes(timeoutCtx, true)
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return nil
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})
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}(b)
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}
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if err := eg.Wait(); err != nil {
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return err
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}
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w := tabwriter.NewWriter(dockerCli.Out(), 0, 0, 1, ' ', 0)
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fmt.Fprintf(w, "NAME/NODE\tDRIVER/ENDPOINT\tSTATUS\tBUILDKIT\tPLATFORMS\n")
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printErr := false
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for _, b := range builders {
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if current.Name == b.Name {
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b.Name += " *"
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}
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if ok := printBuilder(w, b); !ok {
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printErr = true
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}
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}
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w.Flush()
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if printErr {
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_, _ = fmt.Fprintf(dockerCli.Err(), "\n")
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for _, b := range builders {
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if b.Err() != nil {
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_, _ = fmt.Fprintf(dockerCli.Err(), "Cannot load builder %s: %s\n", b.Name, strings.TrimSpace(b.Err().Error()))
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} else {
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for _, d := range b.Nodes() {
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if d.Err != nil {
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_, _ = fmt.Fprintf(dockerCli.Err(), "Failed to get status for %s (%s): %s\n", b.Name, d.Name, strings.TrimSpace(d.Err.Error()))
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}
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}
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}
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}
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}
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return nil
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}
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func printBuilder(w io.Writer, b *builder.Builder) (ok bool) {
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ok = true
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var err string
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if b.Err() != nil {
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ok = false
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err = "error"
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}
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fmt.Fprintf(w, "%s\t%s\t%s\t\t\n", b.Name, b.Driver, err)
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if b.Err() == nil {
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for _, n := range b.Nodes() {
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var status string
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if n.DriverInfo != nil {
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status = n.DriverInfo.Status.String()
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}
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if n.Err != nil {
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ok = false
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fmt.Fprintf(w, " %s\t%s\t%s\t\t\n", n.Name, n.Endpoint, "error")
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} else {
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fmt.Fprintf(w, " %s\t%s\t%s\t%s\t%s\n", n.Name, n.Endpoint, status, n.Version, strings.Join(platformutil.FormatInGroups(n.Node.Platforms, n.Platforms), ", "))
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}
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}
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}
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return
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}
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func lsCmd(dockerCli command.Cli) *cobra.Command {
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var options lsOptions
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cmd := &cobra.Command{
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Use: "ls",
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Short: "List builder instances",
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Args: cli.ExactArgs(0),
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RunE: func(cmd *cobra.Command, args []string) error {
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return runLs(dockerCli, options)
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},
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}
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// hide builder persistent flag for this command
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cobrautil.HideInheritedFlags(cmd, "builder")
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return cmd
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}
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