forked from moby/moby
-
Notifications
You must be signed in to change notification settings - Fork 0
/
registry.go
748 lines (662 loc) · 21.2 KB
/
registry.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
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
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
package docker
import (
"bytes"
"encoding/json"
"fmt"
"github.com/dotcloud/docker/auth"
"github.com/shin-/cookiejar"
"io"
"io/ioutil"
"net/http"
"net/url"
"os"
"path"
"strings"
)
//FIXME: Set the endpoint in a conf file or via commandline
const INDEX_ENDPOINT = auth.INDEX_SERVER + "/v1"
// Build an Image object from raw json data
func NewImgJson(src []byte) (*Image, error) {
ret := &Image{}
Debugf("Json string: {%s}\n", src)
// FIXME: Is there a cleaner way to "purify" the input json?
if err := json.Unmarshal(src, ret); err != nil {
return nil, err
}
return ret, nil
}
func doWithCookies(c *http.Client, req *http.Request) (*http.Response, error) {
for _, cookie := range c.Jar.Cookies(req.URL) {
req.AddCookie(cookie)
}
return c.Do(req)
}
// Retrieve the history of a given image from the Registry.
// Return a list of the parent's json (requested image included)
func (graph *Graph) getRemoteHistory(imgId, registry string, token []string) ([]string, error) {
client := graph.getHttpClient()
req, err := http.NewRequest("GET", registry+"/images/"+imgId+"/ancestry", nil)
if err != nil {
return nil, err
}
req.Header.Set("Authorization", "Token "+strings.Join(token, ", "))
res, err := client.Do(req)
if err != nil || res.StatusCode != 200 {
if res != nil {
return nil, fmt.Errorf("Internal server error: %d trying to fetch remote history for %s", res.StatusCode, imgId)
}
return nil, err
}
defer res.Body.Close()
jsonString, err := ioutil.ReadAll(res.Body)
if err != nil {
return nil, fmt.Errorf("Error while reading the http response: %s\n", err)
}
Debugf("Ancestry: %s", jsonString)
history := new([]string)
if err := json.Unmarshal(jsonString, history); err != nil {
return nil, err
}
return *history, nil
}
func (graph *Graph) getHttpClient() *http.Client {
if graph.httpClient == nil {
graph.httpClient = &http.Client{}
graph.httpClient.Jar = cookiejar.NewCookieJar()
}
return graph.httpClient
}
// Check if an image exists in the Registry
func (graph *Graph) LookupRemoteImage(imgId, registry string, authConfig *auth.AuthConfig) bool {
rt := &http.Transport{Proxy: http.ProxyFromEnvironment}
req, err := http.NewRequest("GET", registry+"/images/"+imgId+"/json", nil)
if err != nil {
return false
}
req.SetBasicAuth(authConfig.Username, authConfig.Password)
res, err := rt.RoundTrip(req)
return err == nil && res.StatusCode == 307
}
func (graph *Graph) getImagesInRepository(repository string, authConfig *auth.AuthConfig) ([]map[string]string, error) {
u := INDEX_ENDPOINT + "/repositories/" + repository + "/images"
req, err := http.NewRequest("GET", u, nil)
if err != nil {
return nil, err
}
if authConfig != nil && len(authConfig.Username) > 0 {
req.SetBasicAuth(authConfig.Username, authConfig.Password)
}
res, err := graph.getHttpClient().Do(req)
if err != nil {
return nil, err
}
defer res.Body.Close()
// Repository doesn't exist yet
if res.StatusCode == 404 {
return nil, nil
}
jsonData, err := ioutil.ReadAll(res.Body)
if err != nil {
return nil, err
}
imageList := []map[string]string{}
err = json.Unmarshal(jsonData, &imageList)
if err != nil {
Debugf("Body: %s (%s)\n", res.Body, u)
return nil, err
}
return imageList, nil
}
// Retrieve an image from the Registry.
// Returns the Image object as well as the layer as an Archive (io.Reader)
func (graph *Graph) getRemoteImage(stdout io.Writer, imgId, registry string, token []string) (*Image, Archive, error) {
client := graph.getHttpClient()
fmt.Fprintf(stdout, "Pulling %s metadata\r\n", imgId)
// Get the Json
req, err := http.NewRequest("GET", registry+"/images/"+imgId+"/json", nil)
if err != nil {
return nil, nil, fmt.Errorf("Failed to download json: %s", err)
}
req.Header.Set("Authorization", "Token "+strings.Join(token, ", "))
res, err := client.Do(req)
if err != nil {
return nil, nil, fmt.Errorf("Failed to download json: %s", err)
}
if res.StatusCode != 200 {
return nil, nil, fmt.Errorf("HTTP code %d", res.StatusCode)
}
defer res.Body.Close()
jsonString, err := ioutil.ReadAll(res.Body)
if err != nil {
return nil, nil, fmt.Errorf("Failed to download json: %s", err)
}
img, err := NewImgJson(jsonString)
if err != nil {
return nil, nil, fmt.Errorf("Failed to parse json: %s", err)
}
img.Id = imgId
// Get the layer
fmt.Fprintf(stdout, "Pulling %s fs layer\r\n", imgId)
req, err = http.NewRequest("GET", registry+"/images/"+imgId+"/layer", nil)
if err != nil {
return nil, nil, fmt.Errorf("Error while getting from the server: %s\n", err)
}
req.Header.Set("Authorization", "Token "+strings.Join(token, ", "))
res, err = client.Do(req)
if err != nil {
return nil, nil, err
}
return img, ProgressReader(res.Body, int(res.ContentLength), stdout, "Downloading %v/%v (%v)"), nil
}
func (graph *Graph) getRemoteTags(stdout io.Writer, registries []string, repository string, token []string) (map[string]string, error) {
client := graph.getHttpClient()
if strings.Count(repository, "/") == 0 {
// This will be removed once the Registry supports auto-resolution on
// the "library" namespace
repository = "library/" + repository
}
for _, host := range registries {
endpoint := fmt.Sprintf("https://%s/v1/repositories/%s/tags", host, repository)
req, err := http.NewRequest("GET", endpoint, nil)
if err != nil {
return nil, err
}
req.Header.Set("Authorization", "Token "+strings.Join(token, ", "))
res, err := client.Do(req)
defer res.Body.Close()
Debugf("Got status code %d from %s", res.StatusCode, endpoint)
if err != nil || (res.StatusCode != 200 && res.StatusCode != 404) {
continue
} else if res.StatusCode == 404 {
return nil, fmt.Errorf("Repository not found")
}
result := make(map[string]string)
rawJson, err := ioutil.ReadAll(res.Body)
if err != nil {
return nil, err
}
if err = json.Unmarshal(rawJson, &result); err != nil {
return nil, err
}
return result, nil
}
return nil, fmt.Errorf("Could not reach any registry endpoint")
}
func (graph *Graph) getImageForTag(stdout io.Writer, tag, remote, registry string, token []string) (string, error) {
client := graph.getHttpClient()
if !strings.Contains(remote, "/") {
remote = "library/" + remote
}
registryEndpoint := "https://" + registry + "/v1"
repositoryTarget := registryEndpoint + "/repositories/" + remote + "/tags/" + tag
req, err := http.NewRequest("GET", repositoryTarget, nil)
if err != nil {
return "", err
}
req.Header.Set("Authorization", "Token "+strings.Join(token, ", "))
res, err := client.Do(req)
if err != nil {
return "", fmt.Errorf("Error while retrieving repository info: %v", err)
}
defer res.Body.Close()
if res.StatusCode == 403 {
return "", fmt.Errorf("You aren't authorized to access this resource")
} else if res.StatusCode != 200 {
return "", fmt.Errorf("HTTP code: %d", res.StatusCode)
}
var imgId string
rawJson, err := ioutil.ReadAll(res.Body)
if err != nil {
return "", err
}
if err = json.Unmarshal(rawJson, &imgId); err != nil {
return "", err
}
return imgId, nil
}
func (graph *Graph) PullImage(stdout io.Writer, imgId, registry string, token []string) error {
history, err := graph.getRemoteHistory(imgId, registry, token)
if err != nil {
return err
}
// FIXME: Try to stream the images?
// FIXME: Launch the getRemoteImage() in goroutines
for _, id := range history {
if !graph.Exists(id) {
img, layer, err := graph.getRemoteImage(stdout, id, registry, token)
if err != nil {
// FIXME: Keep goging in case of error?
return err
}
if err = graph.Register(layer, false, img); err != nil {
return err
}
}
}
return nil
}
func (graph *Graph) PullRepository(stdout io.Writer, remote, askedTag string, repositories *TagStore, authConfig *auth.AuthConfig) error {
client := graph.getHttpClient()
fmt.Fprintf(stdout, "Pulling repository %s from %s\r\n", remote, INDEX_ENDPOINT)
repositoryTarget := INDEX_ENDPOINT + "/repositories/" + remote + "/images"
req, err := http.NewRequest("GET", repositoryTarget, nil)
if err != nil {
return err
}
if authConfig != nil && len(authConfig.Username) > 0 {
req.SetBasicAuth(authConfig.Username, authConfig.Password)
}
req.Header.Set("X-Docker-Token", "true")
res, err := client.Do(req)
if err != nil {
return err
}
defer res.Body.Close()
if res.StatusCode == 401 {
return fmt.Errorf("Please login first (HTTP code %d)", res.StatusCode)
}
// TODO: Right now we're ignoring checksums in the response body.
// In the future, we need to use them to check image validity.
if res.StatusCode != 200 {
return fmt.Errorf("HTTP code: %d", res.StatusCode)
}
var token, endpoints []string
if res.Header.Get("X-Docker-Token") != "" {
token = res.Header["X-Docker-Token"]
}
if res.Header.Get("X-Docker-Endpoints") != "" {
endpoints = res.Header["X-Docker-Endpoints"]
} else {
return fmt.Errorf("Index response didn't contain any endpoints")
}
checksumsJson, err := ioutil.ReadAll(res.Body)
if err != nil {
return err
}
// Reload the json file to make sure not to overwrite faster sums
err = func() error {
localChecksums := make(map[string]string)
remoteChecksums := []ImgListJson{}
checksumDictPth := path.Join(graph.Root, "..", "checksums")
if err := json.Unmarshal(checksumsJson, &remoteChecksums); err != nil {
return err
}
graph.lockSumFile.Lock()
defer graph.lockSumFile.Unlock()
if checksumDict, err := ioutil.ReadFile(checksumDictPth); err == nil {
if err := json.Unmarshal(checksumDict, &localChecksums); err != nil {
return err
}
}
for _, elem := range remoteChecksums {
localChecksums[elem.Id] = elem.Checksum
}
checksumsJson, err = json.Marshal(localChecksums)
if err != nil {
return err
}
if err := ioutil.WriteFile(checksumDictPth, checksumsJson, 0600); err != nil {
return err
}
return nil
}()
if err != nil {
return err
}
var tagsList map[string]string
if askedTag == "" {
tagsList, err = graph.getRemoteTags(stdout, endpoints, remote, token)
if err != nil {
return err
}
} else {
tagsList = map[string]string{askedTag: ""}
}
for askedTag, imgId := range tagsList {
fmt.Fprintf(stdout, "Resolving tag \"%s:%s\" from %s\n", remote, askedTag, endpoints)
success := false
for _, registry := range endpoints {
if imgId == "" {
imgId, err = graph.getImageForTag(stdout, askedTag, remote, registry, token)
if err != nil {
fmt.Fprintf(stdout, "Error while retrieving image for tag: %v (%v) ; "+
"checking next endpoint", askedTag, err)
continue
}
}
if err := graph.PullImage(stdout, imgId, "https://"+registry+"/v1", token); err != nil {
return err
}
if err = repositories.Set(remote, askedTag, imgId, true); err != nil {
return err
}
success = true
}
if !success {
return fmt.Errorf("Could not find repository on any of the indexed registries.")
}
}
if err = repositories.Save(); err != nil {
return err
}
return nil
}
// Push a local image to the registry
func (graph *Graph) PushImage(stdout io.Writer, img *Image, registry string, token []string) error {
registry = "https://" + registry + "/v1"
client := graph.getHttpClient()
jsonRaw, err := ioutil.ReadFile(path.Join(graph.Root, img.Id, "json"))
if err != nil {
return fmt.Errorf("Error while retreiving the path for {%s}: %s", img.Id, err)
}
fmt.Fprintf(stdout, "Pushing %s metadata\r\n", img.Id)
// FIXME: try json with UTF8
jsonData := strings.NewReader(string(jsonRaw))
req, err := http.NewRequest("PUT", registry+"/images/"+img.Id+"/json", jsonData)
if err != nil {
return err
}
req.Header.Add("Content-type", "application/json")
req.Header.Set("Authorization", "Token "+strings.Join(token, ","))
checksum, err := img.Checksum()
if err != nil {
return fmt.Errorf("Error while retrieving checksum for %s: %v", img.Id, err)
}
req.Header.Set("X-Docker-Checksum", checksum)
Debugf("Setting checksum for %s: %s", img.ShortId(), checksum)
res, err := doWithCookies(client, req)
if err != nil {
return fmt.Errorf("Failed to upload metadata: %s", err)
}
defer res.Body.Close()
if len(res.Cookies()) > 0 {
client.Jar.SetCookies(req.URL, res.Cookies())
}
if res.StatusCode != 200 {
errBody, err := ioutil.ReadAll(res.Body)
if err != nil {
return fmt.Errorf("HTTP code %d while uploading metadata and error when"+
" trying to parse response body: %v", res.StatusCode, err)
}
var jsonBody map[string]string
if err := json.Unmarshal(errBody, &jsonBody); err != nil {
errBody = []byte(err.Error())
} else if jsonBody["error"] == "Image already exists" {
fmt.Fprintf(stdout, "Image %v already uploaded ; skipping\n", img.Id)
return nil
}
return fmt.Errorf("HTTP code %d while uploading metadata: %s", res.StatusCode, errBody)
}
fmt.Fprintf(stdout, "Pushing %s fs layer\r\n", img.Id)
root, err := img.root()
if err != nil {
return err
}
var layerData *TempArchive
// If the archive exists, use it
file, err := os.Open(layerArchivePath(root))
if err != nil {
if os.IsNotExist(err) {
// If the archive does not exist, create one from the layer
layerData, err = graph.TempLayerArchive(img.Id, Xz, stdout)
if err != nil {
return fmt.Errorf("Failed to generate layer archive: %s", err)
}
} else {
return err
}
} else {
defer file.Close()
st, err := file.Stat()
if err != nil {
return err
}
layerData = &TempArchive{file, st.Size()}
}
req3, err := http.NewRequest("PUT", registry+"/images/"+img.Id+"/layer",
ProgressReader(layerData, int(layerData.Size), stdout, ""))
if err != nil {
return err
}
req3.ContentLength = -1
req3.TransferEncoding = []string{"chunked"}
req3.Header.Set("Authorization", "Token "+strings.Join(token, ","))
res3, err := doWithCookies(client, req3)
if err != nil {
return fmt.Errorf("Failed to upload layer: %s", err)
}
defer res3.Body.Close()
if res3.StatusCode != 200 {
errBody, err := ioutil.ReadAll(res3.Body)
if err != nil {
return fmt.Errorf("HTTP code %d while uploading metadata and error when"+
" trying to parse response body: %v", res.StatusCode, err)
}
return fmt.Errorf("Received HTTP code %d while uploading layer: %s", res3.StatusCode, errBody)
}
return nil
}
// push a tag on the registry.
// Remote has the format '<user>/<repo>
func (graph *Graph) pushTag(remote, revision, tag, registry string, token []string) error {
// "jsonify" the string
revision = "\"" + revision + "\""
registry = "https://" + registry + "/v1"
Debugf("Pushing tags for rev [%s] on {%s}\n", revision, registry+"/users/"+remote+"/"+tag)
client := graph.getHttpClient()
req, err := http.NewRequest("PUT", registry+"/repositories/"+remote+"/tags/"+tag, strings.NewReader(revision))
if err != nil {
return err
}
req.Header.Add("Content-type", "application/json")
req.Header.Set("Authorization", "Token "+strings.Join(token, ","))
req.ContentLength = int64(len(revision))
res, err := doWithCookies(client, req)
if err != nil {
return err
}
res.Body.Close()
if res.StatusCode != 200 && res.StatusCode != 201 {
return fmt.Errorf("Internal server error: %d trying to push tag %s on %s", res.StatusCode, tag, remote)
}
return nil
}
// FIXME: this should really be PushTag
func (graph *Graph) pushPrimitive(stdout io.Writer, remote, tag, imgId, registry string, token []string) error {
// Check if the local impage exists
img, err := graph.Get(imgId)
if err != nil {
fmt.Fprintf(stdout, "Skipping tag %s:%s: %s does not exist\r\n", remote, tag, imgId)
return nil
}
fmt.Fprintf(stdout, "Pushing image %s:%s\r\n", remote, tag)
// Push the image
if err = graph.PushImage(stdout, img, registry, token); err != nil {
return err
}
fmt.Fprintf(stdout, "Registering tag %s:%s\r\n", remote, tag)
// And then the tag
if err = graph.pushTag(remote, imgId, tag, registry, token); err != nil {
return err
}
return nil
}
// Retrieve the checksum of an image
// Priority:
// - Check on the stored checksums
// - Check if the archive exists, if it does not, ask the registry
// - If the archive does exists, process the checksum from it
// - If the archive does not exists and not found on registry, process checksum from layer
func (graph *Graph) getChecksum(imageId string) (string, error) {
// FIXME: Use in-memory map instead of reading the file each time
if sums, err := graph.getStoredChecksums(); err != nil {
return "", err
} else if checksum, exists := sums[imageId]; exists {
return checksum, nil
}
img, err := graph.Get(imageId)
if err != nil {
return "", err
}
if _, err := os.Stat(layerArchivePath(graph.imageRoot(imageId))); err != nil {
if os.IsNotExist(err) {
// TODO: Ask the registry for the checksum
// As the archive is not there, it is supposed to come from a pull.
} else {
return "", err
}
}
checksum, err := img.Checksum()
if err != nil {
return "", err
}
return checksum, nil
}
type ImgListJson struct {
Id string `json:"id"`
Checksum string `json:"checksum,omitempty"`
tag string
}
// Push a repository to the registry.
// Remote has the format '<user>/<repo>
func (graph *Graph) PushRepository(stdout io.Writer, remote string, localRepo Repository, authConfig *auth.AuthConfig) error {
client := graph.getHttpClient()
// FIXME: Do not reset the cookie each time? (need to reset it in case updating latest of a repo and repushing)
client.Jar = cookiejar.NewCookieJar()
var imgList []*ImgListJson
fmt.Fprintf(stdout, "Processing checksums\n")
imageSet := make(map[string]struct{})
for tag, id := range localRepo {
img, err := graph.Get(id)
if err != nil {
return err
}
img.WalkHistory(func(img *Image) error {
if _, exists := imageSet[img.Id]; exists {
return nil
}
imageSet[img.Id] = struct{}{}
checksum, err := graph.getChecksum(img.Id)
if err != nil {
return err
}
imgList = append([]*ImgListJson{{
Id: img.Id,
Checksum: checksum,
tag: tag,
}}, imgList...)
return nil
})
}
imgListJson, err := json.Marshal(imgList)
if err != nil {
return err
}
Debugf("json sent: %s\n", imgListJson)
fmt.Fprintf(stdout, "Sending image list\n")
req, err := http.NewRequest("PUT", INDEX_ENDPOINT+"/repositories/"+remote+"/", bytes.NewReader(imgListJson))
if err != nil {
return err
}
req.SetBasicAuth(authConfig.Username, authConfig.Password)
req.ContentLength = int64(len(imgListJson))
req.Header.Set("X-Docker-Token", "true")
res, err := client.Do(req)
if err != nil {
return err
}
defer res.Body.Close()
for res.StatusCode >= 300 && res.StatusCode < 400 {
Debugf("Redirected to %s\n", res.Header.Get("Location"))
req, err = http.NewRequest("PUT", res.Header.Get("Location"), bytes.NewReader(imgListJson))
if err != nil {
return err
}
req.SetBasicAuth(authConfig.Username, authConfig.Password)
req.ContentLength = int64(len(imgListJson))
req.Header.Set("X-Docker-Token", "true")
res, err = client.Do(req)
if err != nil {
return err
}
defer res.Body.Close()
}
if res.StatusCode != 200 && res.StatusCode != 201 {
errBody, err := ioutil.ReadAll(res.Body)
if err != nil {
return err
}
return fmt.Errorf("Error: Status %d trying to push repository %s: %s", res.StatusCode, remote, errBody)
}
var token, endpoints []string
if res.Header.Get("X-Docker-Token") != "" {
token = res.Header["X-Docker-Token"]
Debugf("Auth token: %v", token)
} else {
return fmt.Errorf("Index response didn't contain an access token")
}
if res.Header.Get("X-Docker-Endpoints") != "" {
endpoints = res.Header["X-Docker-Endpoints"]
} else {
return fmt.Errorf("Index response didn't contain any endpoints")
}
// FIXME: Send only needed images
for _, registry := range endpoints {
fmt.Fprintf(stdout, "Pushing repository %s to %s (%d tags)\r\n", remote, registry, len(localRepo))
// For each image within the repo, push them
for _, elem := range imgList {
if err := graph.pushPrimitive(stdout, remote, elem.tag, elem.Id, registry, token); err != nil {
// FIXME: Continue on error?
return err
}
}
}
req2, err := http.NewRequest("PUT", INDEX_ENDPOINT+"/repositories/"+remote+"/images", bytes.NewReader(imgListJson))
if err != nil {
return err
}
req2.SetBasicAuth(authConfig.Username, authConfig.Password)
req2.Header["X-Docker-Endpoints"] = endpoints
req2.ContentLength = int64(len(imgListJson))
res2, err := client.Do(req2)
if err != nil {
return err
}
defer res2.Body.Close()
if res2.StatusCode != 204 {
if errBody, err := ioutil.ReadAll(res2.Body); err != nil {
return err
} else {
return fmt.Errorf("Error: Status %d trying to push checksums %s: %s", res2.StatusCode, remote, errBody)
}
}
return nil
}
type SearchResults struct {
Query string `json:"query"`
NumResults int `json:"num_results"`
Results []map[string]string `json:"results"`
}
func (graph *Graph) SearchRepositories(stdout io.Writer, term string) (*SearchResults, error) {
client := graph.getHttpClient()
u := INDEX_ENDPOINT + "/search?q=" + url.QueryEscape(term)
req, err := http.NewRequest("GET", u, nil)
if err != nil {
return nil, err
}
res, err := client.Do(req)
if err != nil {
return nil, err
}
defer res.Body.Close()
if res.StatusCode != 200 {
return nil, fmt.Errorf("Unexepected status code %d", res.StatusCode)
}
rawData, err := ioutil.ReadAll(res.Body)
if err != nil {
return nil, err
}
result := new(SearchResults)
err = json.Unmarshal(rawData, result)
return result, err
}