43 lines
906 B
Go
43 lines
906 B
Go
package main
|
|
|
|
import (
|
|
"encoding/json"
|
|
"fmt"
|
|
"log"
|
|
"os"
|
|
|
|
"github.com/codegangsta/cli"
|
|
"github.com/dotcloud/docker/pkg/libcontainer"
|
|
"github.com/dotcloud/docker/pkg/libcontainer/cgroups/fs"
|
|
)
|
|
|
|
var statsCommand = cli.Command{
|
|
Name: "stats",
|
|
Usage: "display statistics for the container",
|
|
Action: statsAction,
|
|
}
|
|
|
|
func statsAction(context *cli.Context) {
|
|
// returns the stats of the current container.
|
|
stats, err := getContainerStats(container)
|
|
if err != nil {
|
|
log.Printf("Failed to get stats - %v\n", err)
|
|
os.Exit(1)
|
|
}
|
|
fmt.Printf("Stats:\n%v\n", stats)
|
|
os.Exit(0)
|
|
}
|
|
|
|
// returns the container stats in json format.
|
|
func getContainerStats(container *libcontainer.Container) (string, error) {
|
|
stats, err := fs.GetStats(container.Cgroups)
|
|
if err != nil {
|
|
return "", err
|
|
}
|
|
out, err := json.MarshalIndent(stats, "", "\t")
|
|
if err != nil {
|
|
return "", err
|
|
}
|
|
return string(out), nil
|
|
}
|