github.com/buildtool/build-tools@v0.2.29-0.20240322150259-6a1d0a553c23/pkg/registry/gcr.go (about)

     1  // MIT License
     2  //
     3  // Copyright (c) 2018 buildtool
     4  //
     5  // Permission is hereby granted, free of charge, to any person obtaining a copy
     6  // of this software and associated documentation files (the "Software"), to deal
     7  // in the Software without restriction, including without limitation the rights
     8  // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
     9  // copies of the Software, and to permit persons to whom the Software is
    10  // furnished to do so, subject to the following conditions:
    11  //
    12  // The above copyright notice and this permission notice shall be included in all
    13  // copies or substantial portions of the Software.
    14  //
    15  // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
    16  // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
    17  // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
    18  // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
    19  // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
    20  // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
    21  // SOFTWARE.
    22  
    23  package registry
    24  
    25  import (
    26  	"context"
    27  	"encoding/base64"
    28  	"encoding/json"
    29  
    30  	"github.com/apex/log"
    31  	"github.com/docker/docker/api/types/registry"
    32  
    33  	"github.com/buildtool/build-tools/pkg/docker"
    34  )
    35  
    36  type GCR struct {
    37  	dockerRegistry `yaml:"-"`
    38  	Url            string `yaml:"url" env:"GCR_URL"`
    39  	KeyFileContent string `yaml:"keyfileContent,omitempty" env:"GCR_KEYFILE_CONTENT"`
    40  }
    41  
    42  var _ Registry = &GCR{}
    43  
    44  func (r *GCR) Name() string {
    45  	return "GCR"
    46  }
    47  
    48  func (r *GCR) Configured() bool {
    49  	if len(r.Url) <= 0 || len(r.KeyFileContent) <= 0 {
    50  		return false
    51  	}
    52  	return r.GetAuthConfig() != registry.AuthConfig{}
    53  }
    54  
    55  func (r *GCR) Login(client docker.Client) error {
    56  	auth := r.GetAuthConfig()
    57  	auth.ServerAddress = r.Url
    58  	if ok, err := client.RegistryLogin(context.Background(), auth); err == nil {
    59  		log.Debugf("%s\n", ok.Status)
    60  		return nil
    61  	} else {
    62  		return err
    63  	}
    64  }
    65  
    66  func (r *GCR) GetAuthConfig() registry.AuthConfig {
    67  	decoded, err := base64.StdEncoding.DecodeString(r.KeyFileContent)
    68  	if err != nil {
    69  		return registry.AuthConfig{}
    70  	}
    71  	return registry.AuthConfig{Username: "_json_key", Password: string(decoded)}
    72  }
    73  
    74  func (r *GCR) GetAuthInfo() string {
    75  	authBytes, _ := json.Marshal(r.GetAuthConfig())
    76  	return base64.URLEncoding.EncodeToString(authBytes)
    77  }
    78  
    79  func (r GCR) RegistryUrl() string {
    80  	return r.Url
    81  }
    82  
    83  func (r GCR) Create(repository string) error {
    84  	return nil
    85  }