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https://github.com/kata-containers/kata-containers.git
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e84a9a70b0
- Add kata-runtime - Add unit test - Add Makefile to build cli Fixes: #33 Signed-off-by: Julio Montes <julio.montes@intel.com> Signed-off-by: James O. D. Hunt <james.o.hunt@intel.com> Signed-off-by: Jose Carlos Venegas Munoz <jose.carlos.venegas.munoz@intel.com>
65 lines
1.7 KiB
Go
65 lines
1.7 KiB
Go
// Copyright (c) 2014,2015,2016 Docker, Inc.
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// Copyright (c) 2017 Intel Corporation
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package main
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import (
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"encoding/json"
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"fmt"
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"os"
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"github.com/kata-containers/runtime/virtcontainers/pkg/oci"
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"github.com/urfave/cli"
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)
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var stateCLICommand = cli.Command{
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Name: "state",
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Usage: "output the state of a container",
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ArgsUsage: `<container-id>
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<container-id> is your name for the instance of the container`,
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Description: `The state command outputs current state information for the
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instance of a container.`,
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Action: func(context *cli.Context) error {
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args := context.Args()
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if len(args) != 1 {
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return fmt.Errorf("Expecting only one container ID, got %d: %v", len(args), []string(args))
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}
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return state(args.First())
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},
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}
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func state(containerID string) error {
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// Checks the MUST and MUST NOT from OCI runtime specification
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status, _, err := getExistingContainerInfo(containerID)
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if err != nil {
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return err
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}
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// Convert the status to the expected State structure
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state := oci.StatusToOCIState(status)
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stateJSON, err := json.MarshalIndent(state, "", " ")
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if err != nil {
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return err
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}
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// Print stateJSON to stdout
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fmt.Fprintf(os.Stdout, "%s", stateJSON)
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return nil
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}
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