containerd/cmd/ctr/containers.go
Michael Crosby fa9e9bdf46 Fetch current container info before operations
This makes sure the client is always in sync with the server before
performing any type of operations on the container metadata.

Signed-off-by: Michael Crosby <crosbymichael@gmail.com>
2017-10-04 15:29:57 -04:00

71 lines
1.3 KiB
Go

package main
import (
"fmt"
"os"
"text/tabwriter"
"github.com/urfave/cli"
)
var containersCommand = cli.Command{
Name: "containers",
Usage: "manage containers (metadata)",
Aliases: []string{"c"},
Flags: []cli.Flag{
cli.BoolFlag{
Name: "quiet, q",
Usage: "print only the container id",
},
},
Subcommands: []cli.Command{
containersDeleteCommand,
containersSetLabelsCommand,
containerInfoCommand,
},
ArgsUsage: "[filter, ...]",
Action: func(context *cli.Context) error {
var (
filters = context.Args()
quiet = context.Bool("quiet")
ctx, cancel = appContext(context)
)
defer cancel()
client, err := newClient(context)
if err != nil {
return err
}
containers, err := client.Containers(ctx, filters...)
if err != nil {
return err
}
if quiet {
for _, c := range containers {
fmt.Printf("%s\n", c.ID())
}
return nil
}
w := tabwriter.NewWriter(os.Stdout, 4, 8, 4, ' ', 0)
fmt.Fprintln(w, "CONTAINER\tIMAGE\tRUNTIME\t")
for _, c := range containers {
info, err := c.Info(ctx)
if err != nil {
return err
}
imageName := info.Image
if imageName == "" {
imageName = "-"
}
if _, err := fmt.Fprintf(w, "%s\t%s\t%s\t\n",
c.ID(),
imageName,
info.Runtime.Name,
); err != nil {
return err
}
}
return w.Flush()
},
}