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58 lines (54 loc) · 1.42 KB
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Copy pathstate.go
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58 lines (54 loc) · 1.42 KB
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package main
import (
"encoding/json"
"os"
"github.com/opencontainers/runc/libcontainer"
"github.com/opencontainers/runc/libcontainer/utils"
"github.com/urfave/cli"
)
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) error {
if err := checkArgs(context, 1, exactArgs); err != nil {
return err
}
container, err := getContainer(context)
if err != nil {
return err
}
containerStatus, err := container.Status()
if err != nil {
return err
}
state, err := container.State()
if err != nil {
return err
}
pid := state.BaseState.InitProcessPid
if containerStatus == libcontainer.Stopped {
pid = 0
}
bundle, annotations := utils.Annotations(state.Config.Labels)
cs := containerState{
Version: state.BaseState.Config.Version,
ID: state.BaseState.ID,
InitProcessPid: pid,
Status: containerStatus.String(),
Bundle: bundle,
Rootfs: state.BaseState.Config.Rootfs,
Created: state.BaseState.Created,
Annotations: annotations,
}
data, err := json.MarshalIndent(cs, "", " ")
if err != nil {
return err
}
os.Stdout.Write(data)
return nil
},
}