github.com/1aal/kubeblocks@v0.0.0-20231107070852-e1c03e598921/pkg/cli/cmd/infrastructure/utils/command_wrapper.go (about)

     1  /*
     2  Copyright (C) 2022-2023 ApeCloud Co., Ltd
     3  
     4  This file is part of KubeBlocks project
     5  
     6  This program is free software: you can redistribute it and/or modify
     7  it under the terms of the GNU Affero General Public License as published by
     8  the Free Software Foundation, either version 3 of the License, or
     9  (at your option) any later version.
    10  
    11  This program is distributed in the hope that it will be useful
    12  but WITHOUT ANY WARRANTY; without even the implied warranty of
    13  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    14  GNU Affero General Public License for more details.
    15  
    16  You should have received a copy of the GNU Affero General Public License
    17  along with this program.  If not, see <http://www.gnu.org/licenses/>.
    18  */
    19  
    20  package utils
    21  
    22  import (
    23  	"errors"
    24  	"fmt"
    25  	"io"
    26  	"os/exec"
    27  
    28  	"github.com/kubesphere/kubekey/v3/cmd/kk/pkg/core/common"
    29  	"github.com/kubesphere/kubekey/v3/cmd/kk/pkg/core/logger"
    30  )
    31  
    32  func RunCommand(cmd *exec.Cmd) error {
    33  	logger.Log.Messagef(common.LocalHost, "Running: %s", cmd.String())
    34  	stdout, err := cmd.StdoutPipe()
    35  	if err != nil {
    36  		return err
    37  	}
    38  	cmd.Stderr = cmd.Stdout
    39  	if err = cmd.Start(); err != nil {
    40  		return err
    41  	}
    42  
    43  	// read from stdout
    44  	for {
    45  		tmp := make([]byte, 1024)
    46  		_, err := stdout.Read(tmp)
    47  		fmt.Print(string(tmp))
    48  		if errors.Is(err, io.EOF) {
    49  			break
    50  		} else if err != nil {
    51  			logger.Log.Errorln(err)
    52  			break
    53  		}
    54  	}
    55  	return cmd.Wait()
    56  }