containerd/cmd/ctr/list.go

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package main
import (
gocontext "context"
"fmt"
"os"
"text/tabwriter"
"github.com/docker/containerd/api/services/execution"
"github.com/urfave/cli"
)
var listCommand = cli.Command{
Name: "list",
Usage: "list containers",
Action: func(context *cli.Context) error {
containers, err := getExecutionService(context)
if err != nil {
return err
}
response, err := containers.List(gocontext.Background(), &execution.ListRequest{})
if err != nil {
return err
}
w := tabwriter.NewWriter(os.Stdout, 10, 1, 3, ' ', 0)
fmt.Fprintln(w, "ID\tPID\tSTATUS")
for _, c := range response.Containers {
if _, err := fmt.Fprintf(w, "%s\t%s\t%s\n",
c.ID,
c.Pid,
c.Status.String(),
); err != nil {
return err
}
if err := w.Flush(); err != nil {
return err
}
}
return nil
},
}