Files
docker-cli/cli/command/container/wait.go
Brian Goff 5400a48aaf Plumb contexts through commands
This is to prepare for otel support.

Signed-off-by: Brian Goff <cpuguy83@gmail.com>
Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
2023-12-12 22:30:16 +01:00

57 lines
1.4 KiB
Go

package container
import (
"context"
"fmt"
"strings"
"github.com/docker/cli/cli"
"github.com/docker/cli/cli/command"
"github.com/docker/cli/cli/command/completion"
"github.com/pkg/errors"
"github.com/spf13/cobra"
)
type waitOptions struct {
containers []string
}
// NewWaitCommand creates a new cobra.Command for `docker wait`
func NewWaitCommand(dockerCli command.Cli) *cobra.Command {
var opts waitOptions
cmd := &cobra.Command{
Use: "wait CONTAINER [CONTAINER...]",
Short: "Block until one or more containers stop, then print their exit codes",
Args: cli.RequiresMinArgs(1),
RunE: func(cmd *cobra.Command, args []string) error {
opts.containers = args
return runWait(cmd.Context(), dockerCli, &opts)
},
Annotations: map[string]string{
"aliases": "docker container wait, docker wait",
},
ValidArgsFunction: completion.ContainerNames(dockerCli, false),
}
return cmd
}
func runWait(ctx context.Context, dockerCli command.Cli, opts *waitOptions) error {
var errs []string
for _, container := range opts.containers {
resultC, errC := dockerCli.Client().ContainerWait(ctx, container, "")
select {
case result := <-resultC:
fmt.Fprintf(dockerCli.Out(), "%d\n", result.StatusCode)
case err := <-errC:
errs = append(errs, err.Error())
}
}
if len(errs) > 0 {
return errors.New(strings.Join(errs, "\n"))
}
return nil
}