89 lines
1.5 KiB
Go
89 lines
1.5 KiB
Go
package main
|
|
|
|
import (
|
|
"fmt"
|
|
"os"
|
|
"text/tabwriter"
|
|
|
|
"github.com/containerd/containerd"
|
|
"github.com/urfave/cli"
|
|
)
|
|
|
|
var containersCommand = cli.Command{
|
|
Name: "containers",
|
|
}
|
|
|
|
var listCommand = cli.Command{
|
|
Name: "list",
|
|
Aliases: []string{"ls"},
|
|
Usage: "list containers",
|
|
Flags: []cli.Flag{
|
|
cli.BoolFlag{
|
|
Name: "quiet, q",
|
|
Usage: "print only the container id",
|
|
},
|
|
},
|
|
Action: func(context *cli.Context) error {
|
|
var (
|
|
quiet = context.Bool("quiet")
|
|
ctx, cancel = appContext(context)
|
|
)
|
|
defer cancel()
|
|
|
|
client, err := newClient(context)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
containers, err := client.Containers(ctx)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
if quiet {
|
|
for _, c := range containers {
|
|
fmt.Println(c.ID())
|
|
}
|
|
return nil
|
|
}
|
|
|
|
w := tabwriter.NewWriter(os.Stdout, 10, 1, 3, ' ', 0)
|
|
fmt.Fprintln(w, "ID\tIMAGE\tPID\tSTATUS")
|
|
for _, c := range containers {
|
|
image, err := c.Image(ctx)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
var (
|
|
status string
|
|
pid uint32
|
|
)
|
|
task, err := c.Task(ctx, nil)
|
|
if err == nil {
|
|
s, err := task.Status(ctx)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
status = string(s)
|
|
pid = task.Pid()
|
|
} else {
|
|
if err != containerd.ErrNoRunningTask {
|
|
return err
|
|
}
|
|
status = string(containerd.Stopped)
|
|
pid = 0
|
|
}
|
|
if _, err := fmt.Fprintf(w, "%s\t%s\t%d\t%s\n",
|
|
c.ID(),
|
|
image.Name(),
|
|
pid,
|
|
status,
|
|
); err != nil {
|
|
return err
|
|
}
|
|
if err := w.Flush(); err != nil {
|
|
return err
|
|
}
|
|
}
|
|
return nil
|
|
},
|
|
}
|