github.com/alibaba/sealer@v0.8.6-0.20220430115802-37a2bdaa8173/utils/collector/remote_context.go (about)

     1  // Copyright © 2021 Alibaba Group Holding Ltd.
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //     http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  package collector
    16  
    17  import (
    18  	"os"
    19  	"path/filepath"
    20  	"strings"
    21  
    22  	"github.com/alibaba/sealer/logger"
    23  	"github.com/cavaliergopher/grab/v3"
    24  	"github.com/go-git/go-git/v5"
    25  	"github.com/go-git/go-git/v5/plumbing/transport/ssh"
    26  )
    27  
    28  type webFileCollector struct {
    29  }
    30  
    31  func (w webFileCollector) Collect(buildContext, src, savePath string) error {
    32  	client := grab.NewClient()
    33  	i := strings.LastIndexByte(src, '/')
    34  	req, err := grab.NewRequest(filepath.Join(savePath, src[i+1:]), src)
    35  	if err != nil {
    36  		return err
    37  	}
    38  	//todo add progress message stdout same with docker pull.
    39  	resp := client.Do(req)
    40  	if err := resp.Err(); err != nil {
    41  		return err
    42  	}
    43  	return nil
    44  }
    45  
    46  func NewWebFileCollector() Collector {
    47  	return webFileCollector{}
    48  }
    49  
    50  type gitCollector struct {
    51  }
    52  
    53  func (g gitCollector) Collect(buildContext, src, savePath string) error {
    54  	co := &git.CloneOptions{
    55  		URL:               src,
    56  		RecurseSubmodules: git.DefaultSubmoduleRecursionDepth,
    57  		Progress:          os.Stdout,
    58  	}
    59  
    60  	if strings.HasPrefix(src, "git@") {
    61  		privateKeyFile := os.Getenv("HOME") + "/.ssh/id_rsa"
    62  		_, err := os.Stat(privateKeyFile)
    63  		if err != nil {
    64  			logger.Warn("read file %s failed %s\n", privateKeyFile, err.Error())
    65  			return err
    66  		}
    67  
    68  		publicKeys, err := ssh.NewPublicKeysFromFile("git", privateKeyFile, "")
    69  		if err != nil {
    70  			logger.Warn("generate public keys failed: %s\n", err.Error())
    71  			return err
    72  		}
    73  		co.Auth = publicKeys
    74  	}
    75  	_, err := git.PlainClone(savePath, false, co)
    76  
    77  	if err != nil {
    78  		return err
    79  	}
    80  	return nil
    81  }
    82  
    83  func NewGitCollector() Collector {
    84  	return gitCollector{}
    85  }