/
shell.go
61 lines (50 loc) · 1.71 KB
/
shell.go
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// Copyright (C) 2017-Present CloudFoundry.org Foundation, Inc. All rights reserved.
//
// This program and the accompanying materials are made available under
// the terms of the under the Apache License, Version 2.0 (the "License”);
// you may not use this file except in compliance with the License.
//
// You may obtain a copy of the License at
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
// License for the specific language governing permissions and limitations
// under the License.
package commands
import (
"errors"
"fmt"
"os"
"github.com/spf13/cobra"
"bpm/models"
"bpm/runc/lifecycle"
)
func init() {
shellCommand.Flags().StringVarP(&procName, "process", "p", "", "optional process name")
RootCmd.AddCommand(shellCommand)
}
var shellCommand = &cobra.Command{
RunE: shell,
Short: "start a shell inside the process container",
Use: "shell <job-name>",
PreRunE: shellPre,
}
func shellPre(cmd *cobra.Command, args []string) error {
return validateInput(args)
}
func shell(cmd *cobra.Command, _ []string) error {
cmd.SilenceUsage = true
runcLifecycle, err := newRuncLifecycle()
if err != nil {
return err
}
process, err := runcLifecycle.StatProcess(bpmCfg)
if lifecycle.IsNotExist(err) || process.Status == models.ProcessStateFailed {
return errors.New("process is not running or could not be found")
} else if err != nil {
return fmt.Errorf("failed to get process: %s", err)
}
return runcLifecycle.OpenShell(bpmCfg, os.Stdin, cmd.OutOrStdout(), cmd.OutOrStderr())
}