Repository navigation
Expand file tree
/
Copy pathconfig-v18.go
More file actions
326 lines (266 loc) · 8.01 KB
/
Copy pathconfig-v18.go
File metadata and controls
326 lines (266 loc) · 8.01 KB
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
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
/*
* Minio Cloud Storage, (C) 2016, 2017 Minio, Inc.
*
* 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
*
* http://www.apache.org/licenses/LICENSE-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 OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package cmd
import (
"errors&q
8000
uot;
"fmt"
"io/ioutil"
"sync"
"github.com/minio/minio/pkg/quick"
"github.com/tidwall/gjson"
)
// Config version
const v18 = "18"
var (
// serverConfig server config.
serverConfig *serverConfigV18
serverConfigMu sync.RWMutex
)
// serverConfigV18 server configuration version '18' which is like
// version '17' except it adds support for "deliveryMode" parameter in
// the AMQP notification target.
type serverConfigV18 struct {
sync.RWMutex
Version string `json:"version"`
// S3 API configuration.
Credential credential `json:"credential"`
Region string `json:"region"`
Browser BrowserFlag `json:"browser"`
// Additional error logging configuration.
Logger *loggers `json:"logger"`
// Notification queue configuration.
Notify *notifier `json:"notify"`
}
// GetVersion get current config version.
func (s *serverConfigV18) GetVersion() string {
s.RLock()
defer s.RUnlock()
return s.Version
}
// SetRegion set new region.
func (s *serverConfigV18) SetRegion(region string) {
s.Lock()
defer s.Unlock()
s.Region = region
}
// GetRegion get current region.
func (s *serverConfigV18) GetRegion() string {
s.RLock()
defer s.RUnlock()
return s.Region
}
// SetCredentials set new credentials.
func (s *serverConfigV18) SetCredential(creds credential) {
s.Lock()
defer s.Unlock()
// Set updated credential.
s.Credential = creds
}
// GetCredentials get current credentials.
func (s *serverConfigV18) GetCredential() credential {
s.RLock()
defer s.RUnlock()
return s.Credential
}
// SetBrowser set if browser is enabled.
func (s *serverConfigV18) SetBrowser(b bool) {
s.Lock()
defer s.Unlock()
// Set the new value.
s.Browser = BrowserFlag(b)
}
// GetCredentials get current credentials.
func (s *serverConfigV18) GetBrowser() bool {
s.RLock()
defer s.RUnlock()
return bool(s.Browser)
}
// Save config.
func (s *serverConfigV18) Save() error {
s.RLock()
defer s.RUnlock()
// Save config file.
return quick.Save(getConfigFile(), s)
}
func newServerConfigV18() *serverConfigV18 {
srvCfg := &serverConfigV18{
Version: v18,
Credential: mustGetNewCredential(),
Region: globalMinioDefaultRegion,
Browser: true,
Logger: &loggers{},
Notify: ¬ifier{},
}
// Enable console logger by default on a fresh run.
srvCfg.Logger.Console = NewConsoleLogger()
// Make sure to initialize notification configs.
srvCfg.Notify.AMQP = make(map[string]amqpNotify)
srvCfg.Notify.AMQP["1"] = amqpNotify{}
srvCfg.Notify.ElasticSearch = make(map[string]elasticSearchNotify)
srvCfg.Notify.ElasticSearch["1"] = elasticSearchNotify{}
srvCfg.Notify.Redis = make(map[string]redisNotify)
srvCfg.Notify.Redis["1"] = redisNotify{}
srvCfg.Notify.NATS = make(map[string]natsNotify)
srvCfg.Notify.NATS["1"] = natsNotify{}
srvCfg.Notify.PostgreSQL = make(map[string]postgreSQLNotify)
srvCfg.Notify.PostgreSQL["1"] = postgreSQLNotify{}
srvCfg.Notify.MySQL = make(map[string]mySQLNotify)
srvCfg.Notify.MySQL["1"] = mySQLNotify{}
srvCfg.Notify.Kafka = make(map[string]kafkaNotify)
srvCfg.Notify.Kafka["1"] = kafkaNotify{}
srvCfg.Notify.Webhook = make(map[string]webhookNotify)
srvCfg.Notify.Webhook["1"] = webhookNotify{}
return srvCfg
}
// newConfig - initialize a new server config, saves env parameters if
// found, otherwise use default parameters
func newConfig() error {
// Initialize server config.
srvCfg := newServerConfigV18()
// If env is set override the credentials from config file.
if globalIsEnvCreds {
srvCfg.SetCredential(globalActiveCred)
}
if globalIsEnvBrowser {
srvCfg.SetBrowser(globalIsBrowserEnabled)
}
if globalIsEnvRegion {
srvCfg.SetRegion(globalServerRegion)
}
// hold the mutex lock before a new config is assigned.
// Save the new config globally.
// unlock the mutex.
serverConfigMu.Lock()
serverConfig = srvCfg
serverConfigMu.Unlock()
// Save config into file.
return serverConfig.Save()
}
// doCheckDupJSONKeys recursively detects duplicate json keys
func doCheckDupJSONKeys(key, value gjson.Result) error {
// Key occurrences map of the current scope to count
// if there is any duplicated json key.
keysOcc := make(map[string]int)
// Holds the found error
var checkErr error
// Iterate over keys in the current json scope
value.ForEach(func(k, v gjson.Result) bool {
// If current key is not null, check if its
// value contains some duplicated keys.
if k.Type != gjson.Null {
keysOcc[k.String()]++
checkErr = doCheckDupJSONKeys(k, v)
}
return checkErr == nil
})
// Check found err
if checkErr != nil {
return errors.New(key.String() + " => " + checkErr.Error())
}
// Check for duplicated keys
for k, v := range keysOcc {
if v > 1 {
return errors.New(key.String() + " => `" + k + "` entry is duplicated")
}
}
return nil
}
// Check recursively if a key is duplicated in the same json scope
// e.g.:
// `{ "key" : { "key" ..` is accepted
// `{ "key" : { "subkey" : "val1", "subkey": "val2" ..` throws subkey duplicated error
func checkDupJSONKeys(json string) error {
// Parse config with gjson library
config := gjson.Parse(json)
// Create a fake rootKey since root json doesn't seem to have representation
// in gjson library.
rootKey := gjson.Result{Type: gjson.String, Str: minioConfigFile}
// Check if loaded json contains any duplicated keys
return doCheckDupJSONKeys(rootKey, config)
}
// getValidConfig - returns valid server configuration
func getValidConfig() (*serverConfigV18, error) {
srvCfg := &serverConfigV18{
Region: globalMinioDefaultRegion,
Browser: true,
}
configFile := getConfigFile()
if _, err := quick.Load(configFile, srvCfg); err != nil {
return nil, err
}
if srvCfg.Version != v18 {
return nil, fmt.Errorf("configuration version mismatch. Expected: ‘%s’, Got: ‘%s’", v18, srvCfg.Version)
}
// Load config file json and check for duplication json keys
jsonBytes, err := ioutil.ReadFile(configFile)
if err != nil {
return nil, err
}
if err = checkDupJSONKeys(string(jsonBytes)); err != nil {
return nil, err
}
// Validate region field
if srvCfg.Region == "" {
return nil, errors.New("Region config value cannot be empty")
}
// Validate credential fields only when
// they are not set via the environment
// Error out if global is env credential is not set and config has invalid credential
if !globalIsEnvCreds && !srvCfg.Credential.IsValid() {
return nil, errors.New("invalid credential in config file " + configFile)
}
// Validate logger field
if err = srvCfg.Logger.Validate(); err != nil {
return nil, err
}
// Validate notify field
if err = srvCfg.Notify.Validate(); err != nil {
return nil, err
}
return srvCfg, nil
}
// loadConfig - loads a new config from disk, overrides params from env
// if found and valid
func loadConfig() error {
srvCfg, err := getValidConfig()
if err != nil {
return err
}
// If env is set override the credentials from config file.
if globalIsEnvCreds {
srvCfg.SetCredential(globalActiveCred)
}
if globalIsEnvBrowser {
srvCfg.SetBrowser(globalIsBrowserEnabled)
}
if globalIsEnvRegion {
srvCfg.SetRegion(globalServerRegion)
}
// hold the mutex lock before a new config is assigned.
serverConfigMu.Lock()
serverConfig = srvCfg
if !globalIsEnvCreds {
globalActiveCred = serverConfig.GetCredential()
}
if !globalIsEnvBrowser {
globalIsBrowserEnabled = serverConfig.GetBrowser()
}
if !globalIsEnvRegion {
globalServerRegion = serverConfig.GetRegion()
}
serverConfigMu.Unlock()
return nil
}