71 lines
2.1 KiB
Go
71 lines
2.1 KiB
Go
|
// +build linux
|
||
|
|
|
||
|
|
package main
|
||
|
|
|
||
|
|
import (
|
||
|
|
"encoding/json"
|
||
|
|
"os"
|
||
|
|
"time"
|
||
|
|
|
||
|
|
"github.com/codegangsta/cli"
|
||
|
|
"github.com/opencontainers/runc/libcontainer/utils"
|
||
|
|
)
|
||
|
|
|
||
|
|
// cState represents the platform agnostic pieces relating to a running
|
||
|
|
// container's status and state. Note: The fields in this structure adhere to
|
||
|
|
// the opencontainers/runtime-spec/specs-go requirement for json fields that must be returned
|
||
|
|
// in a state command.
|
||
|
|
type cState struct {
|
||
|
|
// Version is the OCI version for the container
|
||
|
|
Version string `json:"ociVersion"`
|
||
|
|
// ID is the container ID
|
||
|
|
ID string `json:"id"`
|
||
|
|
// InitProcessPid is the init process id in the parent namespace
|
||
|
|
InitProcessPid int `json:"pid"`
|
||
|
|
// Bundle is the path on the filesystem to the bundle
|
||
|
|
Bundle string `json:"bundlePath"`
|
||
|
|
// Rootfs is a path to a directory containing the container's root filesystem.
|
||
|
|
Rootfs string `json:"rootfsPath"`
|
||
|
|
// Status is the current status of the container, running, paused, ...
|
||
|
|
Status string `json:"status"`
|
||
|
|
// Created is the unix timestamp for the creation time of the container in UTC
|
||
|
|
Created time.Time `json:"created"`
|
||
|
|
}
|
||
|
|
|
||
|
|
var stateCommand = cli.Command{
|
||
|
|
Name: "state",
|
||
|
|
Usage: "output the state of a container",
|
||
|
|
ArgsUsage: `<container-id>
|
||
|
|
|
||
|
|
Where "<container-id>" is your name for the instance of the container.`,
|
||
|
|
Description: `The state command outputs current state information for the
|
||
|
|
instance of a container.`,
|
||
|
|
Action: func(context *cli.Context) {
|
||
|
|
container, err := getContainer(context)
|
||
|
|
if err != nil {
|
||
|
|
fatal(err)
|
||
|
|
}
|
||
|
|
containerStatus, err := container.Status()
|
||
|
|
if err != nil {
|
||
|
|
fatal(err)
|
||
|
|
}
|
||
|
|
state, err := container.State()
|
||
|
|
if err != nil {
|
||
|
|
fatal(err)
|
||
|
|
}
|
||
|
|
cs := cState{
|
||
|
|
Version: state.BaseState.Config.Version,
|
||
|
|
ID: state.BaseState.ID,
|
||
|
|
InitProcessPid: state.BaseState.InitProcessPid,
|
||
|
|
Status: containerStatus.String(),
|
||
|
|
Bundle: utils.SearchLabels(state.Config.Labels, "bundle"),
|
||
|
|
Rootfs: state.BaseState.Config.Rootfs,
|
||
|
|
Created: state.BaseState.Created}
|
||
|
|
data, err := json.MarshalIndent(cs, "", " ")
|
||
|
|
if err != nil {
|
||
|
|
fatal(err)
|
||
|
|
}
|
||
|
|
os.Stdout.Write(data)
|
||
|
|
},
|
||
|
|
}
|