-
Notifications
You must be signed in to change notification settings - Fork 328
/
serveroptions.go
220 lines (197 loc) · 6.54 KB
/
serveroptions.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
/*
* Tencent is pleased to support the open source community by making TKEStack
* available.
*
* Copyright (C) 2012-2019 Tencent. All Rights Reserved.
*
* Licensed 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
*
* https://opensource.org/licenses/Apache-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 OF ANY KIND, either express or implied. See the License for the
* specific language governing permissions and limitations under the License.
*/
package serveroptions
import (
"crypto/tls"
"fmt"
"net/http"
"net/url"
"strings"
"github.com/aws/aws-sdk-go/aws"
"github.com/aws/aws-sdk-go/aws/corehandlers"
"github.com/aws/aws-sdk-go/aws/credentials"
"github.com/aws/aws-sdk-go/aws/credentials/ec2rolecreds"
"github.com/aws/aws-sdk-go/aws/ec2metadata"
s3request "github.com/aws/aws-sdk-go/aws/request"
"github.com/aws/aws-sdk-go/aws/session"
"github.com/aws/aws-sdk-go/service/s3"
"github.com/aws/aws-sdk-go/service/s3/s3manager"
"github.com/chartmuseum/storage"
"github.com/docker/distribution/registry/client/transport"
distributions3 "github.com/docker/distribution/registry/storage/driver/s3-aws"
cmlogger "helm.sh/chartmuseum/pkg/chartmuseum/logger"
cmrouter "helm.sh/chartmuseum/pkg/chartmuseum/router"
"helm.sh/chartmuseum/pkg/chartmuseum/server/multitenant"
registryconfig "tkestack.io/tke/pkg/registry/apis/config"
"tkestack.io/tke/pkg/util/log"
)
// BuildChartMuseumConfig build chartmuseum options from registry config
func BuildChartMuseumConfig(registryConfig *registryconfig.RegistryConfiguration, pathPrefix string, maxUploadSize int) (*multitenant.MultiTenantServerOptions, error) {
// initialize logger
zapLogger := log.ZapLogger()
if zapLogger == nil {
return nil, fmt.Errorf("logger has not been initialized")
}
logger := &cmlogger.Logger{SugaredLogger: zapLogger.Sugar()}
// initialize router
router := cmrouter.NewRouter(cmrouter.RouterOptions{
Logger: logger,
ContextPath: strings.TrimSuffix(pathPrefix, "/"),
Depth: 2,
EnableMetrics: true,
MaxUploadSize: maxUploadSize,
})
// initialize storage backend
storageBackend, err := buildStorageConfiguration(registryConfig)
if err != nil {
log.Error("Failed to create storage backend for charts", log.Err(err))
return nil, err
}
// create server options
return &multitenant.MultiTenantServerOptions{
Router: router,
Logger: logger,
StorageBackend: storageBackend,
EnableAPI: true,
AllowForceOverwrite: true,
AllowOverwrite: false,
}, nil
}
func buildStorageConfiguration(registryConfig *registryconfig.RegistryConfiguration) (storage.Backend, error) {
var backend storage.Backend
var err error
storageCfg := ®istryConfig.Storage
if storageCfg.Etcd != nil {
log.Info("Using etcd storage")
backend, err = buildETCDStorageConfiguration(registryConfig.Storage.Etcd)
} else if storageCfg.FileSystem != nil {
log.Info("Using filesystem storage")
backend = storage.Backend(storage.NewLocalFilesystemBackend(storageCfg.FileSystem.RootDirectory))
} else if storageCfg.S3 != nil {
log.Info("Using s3 storage")
backend, err = buildS3StorageConfiguration(registryConfig.Storage.S3)
}
if err != nil {
return nil, err
}
if backend == nil {
return nil, fmt.Errorf("no storage backend specified")
}
return backend, nil
}
func buildETCDStorageConfiguration(cfg *registryconfig.EtcdStorage) (storage.Backend, error) {
return storage.NewEtcdCSBackend(
strings.Join(cfg.EndPoints, ","),
cfg.CAFile,
cfg.CertFile,
cfg.KeyFile,
cfg.Prefix,
), nil
}
func buildS3StorageConfiguration(cfg *registryconfig.S3Storage) (storage.Backend, error) {
awsConfig := aws.NewConfig()
sess, err := session.NewSession()
if err != nil {
return nil, fmt.Errorf("failed to create new s3 storage session: %v", err)
}
var accessKey, secretKey string
if cfg.AccessKey != nil {
accessKey = *cfg.AccessKey
}
if cfg.SecretKey != nil {
secretKey = *cfg.SecretKey
}
creds := credentials.NewChainCredentials([]credentials.Provider{
&credentials.StaticProvider{
Value: credentials.Value{
AccessKeyID: accessKey,
SecretAccessKey: secretKey,
SessionToken: "",
},
},
&credentials.EnvProvider{},
&credentials.SharedCredentialsProvider{},
&ec2rolecreds.EC2RoleProvider{Client: ec2metadata.New(sess)},
})
if cfg.RegionEndpoint != nil && *cfg.RegionEndpoint != "" {
awsConfig.WithS3ForcePathStyle(true)
awsConfig.WithEndpoint(*cfg.RegionEndpoint)
}
awsConfig.WithCredentials(creds)
awsConfig.WithRegion(cfg.Region)
secure := true
if cfg.Secure != nil && !*cfg.Secure {
secure = false
}
awsConfig.WithDisableSSL(!secure)
var userAgent string
var skipVerify bool
if cfg.UserAgent != nil {
userAgent = *cfg.UserAgent
}
if cfg.SkipVerify != nil && *cfg.SkipVerify {
skipVerify = true
}
if userAgent != "" || skipVerify {
httpTransport := http.DefaultTransport
if skipVerify {
httpTransport = &http.Transport{
TLSClientConfig: &tls.Config{InsecureSkipVerify: true},
}
}
if userAgent != "" {
awsConfig.WithHTTPClient(&http.Client{
Transport: transport.NewTransport(httpTransport, transport.NewHeaderRequestModifier(http.Header{http.CanonicalHeaderKey("User-Agent"): []string{userAgent}})),
})
} else {
awsConfig.WithHTTPClient(&http.Client{
Transport: transport.NewTransport(httpTransport),
})
}
}
sess, err = session.NewSession(awsConfig)
if err != nil {
return nil, fmt.Errorf("failed to create new session with aws config: %v", err)
}
s3obj := s3.New(sess)
// enable S3 compatible signature v2 signing instead
if cfg.V4Auth != nil && !*cfg.V4Auth {
setS3StorageV2Handlers(s3obj)
}
return &storage.AmazonS3Backend{
Bucket: cfg.Bucket,
Client: s3obj,
Downloader: s3manager.NewDownloaderWithClient(s3obj),
Prefix: "",
Uploader: s3manager.NewUploaderWithClient(s3obj),
SSE: "",
}, nil
}
// setS3StorageV2Handlers will setup v2 signature signing on the S3 driver
func setS3StorageV2Handlers(svc *s3.S3) {
svc.Handlers.Build.PushBack(func(r *s3request.Request) {
parsedURL, err := url.Parse(r.HTTPRequest.URL.String())
if err != nil {
log.Fatalf("Failed to parse URL: %v", err)
}
r.HTTPRequest.URL.Opaque = parsedURL.Path
})
svc.Handlers.Sign.Clear()
svc.Handlers.Sign.PushBack(distributions3.Sign)
svc.Handlers.Sign.PushBackNamed(corehandlers.BuildContentLengthHandler)
}