mirror of
https://github.com/kata-containers/kata-containers.git
synced 2025-09-30 13:05:22 +00:00
f0cb0c7ef7
refactor the cli codes which can be shared with shimv2. Signed-off-by: fupan <lifupan@gmail.com> Signed-off-by: Eric Ernst <eric.ernst@intel.com>
71 lines
1.6 KiB
Go
71 lines
1.6 KiB
Go
// Copyright (c) 2014,2015,2016 Docker, Inc.
|
|
// Copyright (c) 2017 Intel Corporation
|
|
//
|
|
// SPDX-License-Identifier: Apache-2.0
|
|
//
|
|
|
|
package main
|
|
|
|
import (
|
|
"context"
|
|
"encoding/json"
|
|
"fmt"
|
|
"os"
|
|
|
|
"github.com/kata-containers/runtime/pkg/katautils"
|
|
"github.com/kata-containers/runtime/virtcontainers/pkg/oci"
|
|
"github.com/urfave/cli"
|
|
)
|
|
|
|
var stateCLICommand = cli.Command{
|
|
Name: "state",
|
|
Usage: "output the state of a container",
|
|
ArgsUsage: `<container-id>
|
|
|
|
<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 {
|
|
ctx, err := cliContextToContext(context)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
args := context.Args()
|
|
if len(args) != 1 {
|
|
return fmt.Errorf("Expecting only one container ID, got %d: %v", len(args), []string(args))
|
|
}
|
|
|
|
return state(ctx, args.First())
|
|
},
|
|
}
|
|
|
|
func state(ctx context.Context, containerID string) error {
|
|
span, _ := katautils.Trace(ctx, "state")
|
|
defer span.Finish()
|
|
|
|
kataLog = kataLog.WithField("container", containerID)
|
|
span.SetTag("container", containerID)
|
|
|
|
setExternalLoggers(ctx, kataLog)
|
|
|
|
// Checks the MUST and MUST NOT from OCI runtime specification
|
|
status, _, err := getExistingContainerInfo(ctx, containerID)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
// Convert the status to the expected State structure
|
|
state := oci.StatusToOCIState(status)
|
|
|
|
stateJSON, err := json.MarshalIndent(state, "", " ")
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
// Print stateJSON to stdout
|
|
fmt.Fprintf(os.Stdout, "%s", stateJSON)
|
|
|
|
return nil
|
|
}
|