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buildx/commands/ls.go

117 lines
2.4 KiB
Go

package commands
import (
"context"
"fmt"
"io"
"os"
"strings"
"text/tabwriter"
"time"
"github.com/docker/buildx/store/storeutil"
"github.com/docker/buildx/util/builderutil"
"github.com/docker/buildx/util/cobrautil"
"github.com/docker/buildx/util/platformutil"
"github.com/docker/cli/cli"
"github.com/docker/cli/cli/command"
"github.com/moby/buildkit/util/appcontext"
"github.com/spf13/cobra"
"golang.org/x/sync/errgroup"
)
type lsOptions struct {
}
func runLs(dockerCli command.Cli, in lsOptions) error {
ctx := appcontext.Context()
txn, release, err := storeutil.GetStore(dockerCli)
if err != nil {
return err
}
defer release()
builders, err := builderutil.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 *builderutil.Builder) {
eg.Go(func() error {
err = b.LoadDrivers(timeoutCtx, true, "")
if b.Err == nil && err != nil {
b.Err = err
}
return nil
})
}(b)
}
if err := eg.Wait(); err != nil {
return err
}
w := tabwriter.NewWriter(os.Stdout, 0, 0, 1, ' ', 0)
fmt.Fprintf(w, "NAME/NODE\tDRIVER/ENDPOINT\tSTATUS\tPLATFORMS\n")
for _, b := range builders {
if b.NodeGroup.Current {
b.NodeGroup.Name += " *"
}
printngi(w, b)
}
w.Flush()
return nil
}
func printngi(w io.Writer, b *builderutil.Builder) {
var err string
if b.Err != nil {
err = b.Err.Error()
}
fmt.Fprintf(w, "%s\t%s\t%s\t\n", b.NodeGroup.Name, b.NodeGroup.Driver, err)
if b.Err == nil {
for idx, n := range b.NodeGroup.Nodes {
d := b.Drivers[idx]
var err string
if d.Err != nil {
err = d.Err.Error()
}
var status string
if d.Info != nil {
status = d.Info.Status.String()
}
if err != "" {
fmt.Fprintf(w, " %s\t%s\t%s\n", n.Name, n.Endpoint, err)
} else {
fmt.Fprintf(w, " %s\t%s\t%s\t%s\n", n.Name, n.Endpoint, status, strings.Join(platformutil.FormatInGroups(n.Platforms, d.Platforms), ", "))
}
}
}
}
func lsCmd(dockerCli command.Cli) *cobra.Command {
var options lsOptions
cmd := &cobra.Command{
Use: "ls",
Short: "List builder instances",
Args: cli.ExactArgs(0),
RunE: func(cmd *cobra.Command, args []string) error {
return runLs(dockerCli, options)
},
}
// hide builder persistent flag for this command
cobrautil.HideInheritedFlags(cmd, "builder")
return cmd
}