containerd/cmd/ctr/ps.go
Jess Valarezo 830e0ea339 Change hcsshimopts to hcsshimtypes package
Signed-off-by: Jess Valarezo <valarezo.jessica@gmail.com>
2017-10-11 11:42:07 -07:00

63 lines
1.3 KiB
Go

package main
import (
"fmt"
"os"
"text/tabwriter"
"github.com/containerd/containerd/windows/hcsshimtypes"
"github.com/pkg/errors"
"github.com/urfave/cli"
)
var taskPsCommand = cli.Command{
Name: "ps",
Usage: "list processes for container",
ArgsUsage: "CONTAINER",
Action: func(context *cli.Context) error {
var (
id = context.Args().First()
ctx, cancel = appContext(context)
)
defer cancel()
if id == "" {
return errors.New("container id must be provided")
}
client, err := newClient(context)
if err != nil {
return err
}
container, err := client.LoadContainer(ctx, id)
if err != nil {
return err
}
task, err := container.Task(ctx, nil)
if err != nil {
return err
}
processes, err := task.Pids(ctx)
if err != nil {
return err
}
w := tabwriter.NewWriter(os.Stdout, 10, 1, 3, ' ', 0)
fmt.Fprintln(w, "PID\tINFO")
for _, ps := range processes {
if ps.Info != nil {
var details hcsshimtypes.ProcessDetails
if err := details.Unmarshal(ps.Info.Value); err == nil {
if _, err := fmt.Fprintf(w, "%d\t%+v\n", ps.Pid, details); err != nil {
return err
}
}
} else {
if _, err := fmt.Fprintf(w, "%d\t-\n", ps.Pid); err != nil {
return err
}
}
}
return w.Flush()
},
}