github.com/Venafi/vcert/v5@v5.10.2/pkg/playbook/util/cmdexec.go (about)

     1  //go:build !windows
     2  
     3  /*
     4   * Copyright 2023 Venafi, Inc.
     5   *
     6   * Licensed under the Apache License, Version 2.0 (the "License");
     7   * you may not use this file except in compliance with the License.
     8   * You may obtain a copy of the License at
     9   *
    10   *  http://www.apache.org/licenses/LICENSE-2.0
    11   *
    12   * Unless required by applicable law or agreed to in writing, software
    13   * distributed under the License is distributed on an "AS IS" BASIS,
    14   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    15   * See the License for the specific language governing permissions and
    16   * limitations under the License.
    17   */
    18  
    19  package util
    20  
    21  import (
    22  	"bytes"
    23  	"os/exec"
    24  
    25  	"go.uber.org/zap"
    26  )
    27  
    28  // ExecuteScript takes the afterAction input and passes it to a Cmd struct to be executed.
    29  //
    30  // No validation is done over the afterAction string, so caution is advised.
    31  func ExecuteScript(afterAction string) (string, error) {
    32  	zap.L().Debug("running script in shell", zap.String("action", afterAction))
    33  
    34  	cmd := exec.Command("sh", "-c", afterAction)
    35  	var out bytes.Buffer
    36  	cmd.Stdout = &out
    37  	err := cmd.Run()
    38  	if err != nil {
    39  		zap.L().Error("could not run script", zap.Error(err))
    40  		return "", err
    41  	}
    42  	zap.L().Debug("script output", zap.String("stdout", out.String()))
    43  	return out.String(), nil
    44  }