compose/cli/cmd/ps.go

38 lines
781 B
Go

package cmd
import (
"fmt"
"os"
"text/tabwriter"
"github.com/docker/api/client"
"github.com/pkg/errors"
"github.com/spf13/cobra"
)
var PsCommand = cobra.Command{
Use: "ps",
Short: "List containers",
RunE: func(cmd *cobra.Command, args []string) error {
ctx := cmd.Context()
c, err := client.New(ctx)
if err != nil {
return errors.Wrap(err, "cannot connect to backend")
}
containers, err := c.ContainerService().List(ctx)
if err != nil {
return errors.Wrap(err, "fetch containers")
}
w := tabwriter.NewWriter(os.Stdout, 0, 0, 2, ' ', 0)
fmt.Fprintf(w, "NAME\tIMAGE\tSTATUS\tCOMMAND\n")
format := "%s\t%s\t%s\t%s\n"
for _, c := range containers {
fmt.Fprintf(w, format, c.ID, c.Image, c.Status, c.Command)
}
return w.Flush()
},
}