-
Notifications
You must be signed in to change notification settings - Fork 90
/
gitops.go
827 lines (698 loc) · 24.4 KB
/
gitops.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
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
package gitops
import (
"context"
"crypto/ed25519"
"encoding/base64"
"encoding/json"
"encoding/pem"
"fmt"
"io/ioutil"
"os"
"path/filepath"
"strconv"
"strings"
"time"
"github.com/go-git/go-git/v5"
"github.com/go-git/go-git/v5/plumbing/object"
"github.com/go-git/go-git/v5/plumbing/transport"
go_git_ssh "github.com/go-git/go-git/v5/plumbing/transport/ssh"
"github.com/mikesmitty/edkey"
"github.com/pkg/errors"
"github.com/replicatedhq/kots/pkg/apparchive"
"github.com/replicatedhq/kots/pkg/binaries"
"github.com/replicatedhq/kots/pkg/crypto"
"github.com/replicatedhq/kots/pkg/k8sutil"
"github.com/replicatedhq/kots/pkg/kotsadm/types"
"github.com/replicatedhq/kots/pkg/util"
"golang.org/x/crypto/ssh"
v1 "k8s.io/api/core/v1"
kuberneteserrors "k8s.io/apimachinery/pkg/api/errors"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/client-go/kubernetes"
)
type GitOpsConfig struct {
Provider string `json:"provider"`
RepoURI string `json:"repoUri"`
Hostname string `json:"hostname"`
HTTPPort string `json:"httpPort"`
SSHPort string `json:"sshPort"`
Path string `json:"path"`
Branch string `json:"branch"`
Format string `json:"format"`
Action string `json:"action"`
PublicKey string `json:"publicKey"`
PrivateKey string `json:"-"`
IsConnected bool `json:"isConnected"`
}
type GlobalGitOpsConfig struct {
Enabled bool `json:"enabled"`
Hostname string `json:"hostname"`
HTTPPort string `json:"httpPort"`
SSHPort string `json:"sshPort"`
Provider string `json:"provider"`
URI string `json:"uri"`
}
type KeyPair struct {
PrivateKeyPEM string
PublicKeySSH string
}
func (g *GitOpsConfig) CommitURL(hash string) string {
switch g.Provider {
case "github", "github_enterprise":
return fmt.Sprintf("%s/commit/%s", g.RepoURI, hash)
case "gitlab", "gitlab_enterprise":
return fmt.Sprintf("%s/commit/%s", g.RepoURI, hash)
case "bitbucket", "bitbucket_server":
return fmt.Sprintf("%s/commits/%s", g.RepoURI, hash)
default:
return fmt.Sprintf("%s/commit/%s", g.RepoURI, hash)
}
}
func (g *GitOpsConfig) CloneURL() (string, error) {
// copied this logic from node js api
uriParts := strings.Split(g.RepoURI, "/")
if len(uriParts) < 5 {
return "", errors.Errorf("unexpected url format: %s", g.RepoURI)
}
owner := uriParts[3]
repo := uriParts[4]
if g.Provider == "bitbucket_server" {
if len(uriParts) < 7 {
return "", errors.Errorf("unexpected bitbucket server url format: %s", g.RepoURI)
}
owner = uriParts[4]
repo = uriParts[6]
}
switch g.Provider {
case "github":
return fmt.Sprintf("git@github.com:%s/%s.git", owner, repo), nil
case "gitlab":
return fmt.Sprintf("git@gitlab.com:%s/%s.git", owner, repo), nil
case "bitbucket":
return fmt.Sprintf("git@bitbucket.org:%s/%s.git", owner, repo), nil
case "bitbucket_server":
return fmt.Sprintf("git@%s:%s/%s/%s.git", g.Hostname, g.SSHPort, owner, repo), nil
case "github_enterprise", "gitlab_enterprise":
return fmt.Sprintf("git@%s:%s/%s.git", g.Hostname, owner, repo), nil
}
return "", errors.Errorf("unsupported provider type: %s", g.Provider)
}
// GetDownstreamGitOps will return the gitops config for a downstream,
// This implementation copies how it works in typescript.
func GetDownstreamGitOps(appID string, clusterID string) (*GitOpsConfig, error) {
clientset, err := k8sutil.GetClientset()
if err != nil {
return nil, errors.Wrap(err, "failed to get k8s client set")
}
config, err := GetDownstreamGitOpsConfig(clientset, appID, clusterID)
return config, errors.Wrap(err, "failed to get downstream gitops config")
}
func GetDownstreamGitOpsConfig(clientset kubernetes.Interface, appID string, clusterID string) (*GitOpsConfig, error) {
secret, err := clientset.CoreV1().Secrets(util.PodNamespace).Get(context.TODO(), "kotsadm-gitops", metav1.GetOptions{})
if kuberneteserrors.IsNotFound(err) {
return nil, nil
}
configMap, err := clientset.CoreV1().ConfigMaps(util.PodNamespace).Get(context.TODO(), "kotsadm-gitops", metav1.GetOptions{})
if kuberneteserrors.IsNotFound(err) {
return nil, nil
}
configMapDataKey := fmt.Sprintf("%s-%s", appID, clusterID)
configMapDataEncoded, ok := configMap.Data[configMapDataKey]
if !ok {
return nil, nil
}
configMapDataDecoded, err := base64.StdEncoding.DecodeString(configMapDataEncoded)
if err != nil {
return nil, errors.Wrap(err, "failed to decode configmap data")
}
configMapData := map[string]string{}
if err := json.Unmarshal(configMapDataDecoded, &configMapData); err != nil {
return nil, errors.Wrap(err, "failed to unmarshal configmap data")
}
repoURI := configMapData["repoUri"]
for key, val := range secret.Data {
splitKey := strings.Split(key, ".")
if len(splitKey) != 3 {
continue
}
if splitKey[2] == "repoUri" {
if string(val) == repoURI {
// this is the provider we want
idx, err := strconv.ParseInt(splitKey[1], 10, 64)
if err != nil {
return nil, errors.Wrap(err, "failed to parse index")
}
provider, publicKey, privateKey, repoURI, hostname, httpPort, sshPort := gitOpsConfigFromSecretData(idx, secret.Data)
decodedPrivateKey, err := base64.StdEncoding.DecodeString(privateKey)
if err != nil {
return nil, errors.Wrap(err, "failed to decode")
}
decryptedPrivateKey, err := crypto.Decrypt([]byte(decodedPrivateKey))
if err != nil {
return nil, errors.Wrap(err, "failed to decrypt")
}
gitOpsConfig := GitOpsConfig{
Provider: provider,
PublicKey: publicKey,
PrivateKey: string(decryptedPrivateKey),
RepoURI: repoURI,
Hostname: hostname,
HTTPPort: httpPort,
SSHPort: sshPort,
Branch: configMapData["branch"],
Path: configMapData["path"],
Format: configMapData["format"],
Action: configMapData["action"],
}
if lastError, ok := configMapData["lastError"]; ok && lastError == "" {
gitOpsConfig.IsConnected = true
}
return &gitOpsConfig, nil
}
}
}
return nil, nil
}
func DisableDownstreamGitOps(appID string, clusterID string, gitOpsConfig *GitOpsConfig) error {
clientset, err := k8sutil.GetClientset()
if err != nil {
return errors.Wrap(err, "failed to get k8s client set")
}
err = deleteDownstreamGitOps(clientset, appID, clusterID, gitOpsConfig.RepoURI)
return errors.Wrap(err, "failed to delete data from gitops configmap")
}
// deleteDownstreamGitOps will delete the gitops config for a downstream, and delete the provider from the secret
func deleteDownstreamGitOps(clientset kubernetes.Interface, appID string, clusterID string, repoURI string) error {
configMap, err := clientset.CoreV1().ConfigMaps(util.PodNamespace).Get(context.TODO(), "kotsadm-gitops", metav1.GetOptions{})
if kuberneteserrors.IsNotFound(err) {
return errors.Wrap(err, "gitops config map not found")
}
// if multiple apps have same repo, don't delete the provider from the secret
isRepoConfiguredForMultipleApps, err := isGitOpsRepoConfiguredForMultipleApps(configMap.Data, repoURI)
if err != nil {
return errors.Wrap(err, "failed to check if repo is configured for other apps")
}
configMapDataKey := fmt.Sprintf("%s-%s", appID, clusterID)
_, ok := configMap.Data[configMapDataKey]
if ok {
delete(configMap.Data, configMapDataKey)
}
_, err = clientset.CoreV1().ConfigMaps(util.PodNamespace).Update(context.TODO(), configMap, metav1.UpdateOptions{})
if err != nil {
return errors.Wrap(err, "failed to update config map")
}
if !isRepoConfiguredForMultipleApps {
if err := deleteKeysFromGitOpsSecret(clientset, repoURI); err != nil {
return errors.Wrap(err, "failed to delete keys from gitops secret")
}
}
return nil
}
// isGitOpsRepoConfiguredForMultipleApps returns true if the repo is configured for multiple apps
func isGitOpsRepoConfiguredForMultipleApps(gitOpsEncodedMap map[string]string, repoURI string) (bool, error) {
repoURICount := 0
for _, val := range gitOpsEncodedMap {
configMapDataDecoded, err := base64.StdEncoding.DecodeString(val)
if err != nil {
return false, errors.Wrap(err, "failed to decode configmap data")
}
configMapData := map[string]string{}
if err := json.Unmarshal(configMapDataDecoded, &configMapData); err != nil {
return false, errors.Wrap(err, "failed to unmarshal configmap data")
}
if configMapData["repoUri"] == repoURI {
repoURICount++
}
if repoURICount > 1 {
return true, nil
}
}
return false, nil
}
// deleteKeysFromGitOpsSecret deletes all keys from the gitops secret that match the given repoURL
func deleteKeysFromGitOpsSecret(clientset kubernetes.Interface, repoURL string) error {
secret, err := clientset.CoreV1().Secrets(util.PodNamespace).Get(context.TODO(), "kotsadm-gitops", metav1.GetOptions{})
if kuberneteserrors.IsNotFound(err) {
return errors.Wrap(err, "gitops secret not found")
}
var keyIndex int64 = -1
for key, val := range secret.Data {
splitKey := strings.Split(key, ".")
if len(splitKey) != 3 {
continue
}
if splitKey[2] == "repoUri" {
if string(val) == repoURL {
keyIndex, err = strconv.ParseInt(splitKey[1], 10, 64)
if err != nil {
return errors.Wrap(err, "failed to parse index")
}
break
}
}
}
if keyIndex == -1 {
return nil
}
// delete all keys that match "provider.keyIndex.*"
for key, _ := range secret.Data {
if strings.HasPrefix(key, fmt.Sprintf("provider.%d.", keyIndex)) {
delete(secret.Data, key)
}
}
_, err = clientset.CoreV1().Secrets(util.PodNamespace).Update(context.TODO(), secret, metav1.UpdateOptions{})
if err != nil {
return errors.Wrap(err, "failed to update secret")
}
return nil
}
func UpdateDownstreamGitOps(appID, clusterID, uri, branch, path, format, action string) error {
clientset, err := k8sutil.GetClientset()
if err != nil {
return errors.Wrap(err, "failed to get k8s client set")
}
err = updateDownstreamGitOps(clientset, appID, clusterID, uri, branch, path, format, action)
return errors.Wrap(err, "failed to update downstream gitops config")
}
func updateDownstreamGitOps(clientset kubernetes.Interface, appID, clusterID, uri, branch, path, format, action string) error {
configMap, err := clientset.CoreV1().ConfigMaps(util.PodNamespace).Get(context.TODO(), "kotsadm-gitops", metav1.GetOptions{})
if err != nil && !kuberneteserrors.IsNotFound(err) {
return errors.Wrap(err, "failed to get configmap")
}
configMapExists := true
if kuberneteserrors.IsNotFound(err) {
configMapExists = false
}
configMapData := map[string]string{}
if configMapExists && configMap.Data != nil {
configMapData = configMap.Data
}
appKey := fmt.Sprintf("%s-%s", appID, clusterID)
newAppData := map[string]string{
"repoUri": uri,
"branch": branch,
"path": path,
"format": format,
"action": action,
}
// check if to reset or keep last error
appDataEncoded, ok := configMapData[appKey]
if ok {
appDataDecoded, err := base64.StdEncoding.DecodeString(appDataEncoded)
if err != nil {
return errors.Wrap(err, "failed to decode app data")
}
appDataUnmarshalled := map[string]string{}
if err := json.Unmarshal(appDataDecoded, &appDataUnmarshalled); err != nil {
return errors.Wrap(err, "failed to unmarshal app data")
}
oldUri, _ := appDataUnmarshalled["repoUri"]
oldBranch, _ := appDataUnmarshalled["branch"]
if oldBranch == branch && oldUri == uri {
lastError, ok := appDataUnmarshalled["lastError"]
if ok {
newAppData["lastError"] = lastError // keep last error
}
}
}
// update/set app data in config map
newAppDataMarshalled, err := json.Marshal(newAppData)
if err != nil {
return errors.Wrap(err, "failed to marshal new app data")
}
newAppDataEncoded := base64.StdEncoding.EncodeToString([]byte(newAppDataMarshalled))
configMapData[appKey] = newAppDataEncoded
if configMapExists {
configMap.Data = configMapData
_, err = clientset.CoreV1().ConfigMaps(util.PodNamespace).Update(context.TODO(), configMap, metav1.UpdateOptions{})
if err != nil {
return errors.Wrap(err, "failed to update config map")
}
} else {
configMap = &v1.ConfigMap{
ObjectMeta: metav1.ObjectMeta{
Name: "kotsadm-gitops",
Namespace: util.PodNamespace,
Labels: types.GetKotsadmLabels(),
},
Data: configMapData,
}
_, err = clientset.CoreV1().ConfigMaps(util.PodNamespace).Create(context.TODO(), configMap, metav1.CreateOptions{})
if err != nil {
return errors.Wrap(err, "failed to create config map")
}
}
return nil
}
func SetGitOpsError(appID string, clusterID string, errMsg string) error {
clientset, err := k8sutil.GetClientset()
if err != nil {
return errors.Wrap(err, "failed to get k8s client set")
}
configMap, err := clientset.CoreV1().ConfigMaps(util.PodNamespace).Get(context.TODO(), "kotsadm-gitops", metav1.GetOptions{})
if err != nil {
return errors.Wrap(err, "failed to get configmap")
}
appKey := fmt.Sprintf("%s-%s", appID, clusterID)
appDataEncoded, ok := configMap.Data[appKey]
if !ok {
return errors.New("app gitops data not found in configmap")
}
appDataDecoded, err := base64.StdEncoding.DecodeString(appDataEncoded)
if err != nil {
return errors.Wrap(err, "failed to decode app data")
}
appDataUnmarshalled := map[string]string{}
if err := json.Unmarshal(appDataDecoded, &appDataUnmarshalled); err != nil {
return errors.Wrap(err, "failed to unmarshal app data")
}
appDataUnmarshalled["lastError"] = errMsg
appDataDecoded, err = json.Marshal(appDataUnmarshalled)
if err != nil {
return errors.Wrap(err, "failed to marshal app data")
}
appDataEncoded = base64.StdEncoding.EncodeToString([]byte(appDataDecoded))
configMap.Data[appKey] = appDataEncoded
_, err = clientset.CoreV1().ConfigMaps(util.PodNamespace).Update(context.TODO(), configMap, metav1.UpdateOptions{})
if err != nil {
return errors.Wrap(err, "failed to update config map")
}
return nil
}
// TestGitOpsConnection will attempt a clone of the target gitops repo.
// It returns the default branch name from the clone.
func TestGitOpsConnection(gitOpsConfig *GitOpsConfig) (string, error) {
auth, err := getAuth(gitOpsConfig.PrivateKey)
if err != nil {
return "", errors.Wrap(err, "failed to get auth")
}
workDir, err := ioutil.TempDir("", "kotsadm")
if err != nil {
return "", errors.Wrap(err, "failed to create temp dir")
}
defer os.RemoveAll(workDir)
cloneURL, err := gitOpsConfig.CloneURL()
if err != nil {
return "", errors.Wrap(err, "failed to get clone url")
}
repo, err := git.PlainClone(workDir, false, &git.CloneOptions{
URL: cloneURL,
RecurseSubmodules: git.DefaultSubmoduleRecursionDepth,
Auth: auth,
})
if err != nil && errors.Cause(err) != transport.ErrEmptyRemoteRepository {
return "", errors.Wrap(err, "failed to clone repo")
}
ref, err := repo.Head()
if err != nil {
return "", errors.Wrap(err, "failed to identify HEAD of repo")
}
return ref.Name().Short(), nil
}
func CreateGitOps(provider string, repoURI string, hostname string, httpPort string, sshPort string) error {
clientset, err := k8sutil.GetClientset()
if err != nil {
return errors.Wrap(err, "failed to get k8s client set")
}
err = createGitOps(clientset, provider, repoURI, hostname, httpPort, sshPort)
return errors.Wrap(err, "failed to create gitops")
}
func createGitOps(clientset kubernetes.Interface, provider string, repoURI string, hostname string, httpPort string, sshPort string) error {
secret, err := clientset.CoreV1().Secrets(util.PodNamespace).Get(context.TODO(), "kotsadm-gitops", metav1.GetOptions{})
if err != nil && !kuberneteserrors.IsNotFound(err) {
return errors.Wrap(err, "failed to get secret")
}
secretExists := true
if kuberneteserrors.IsNotFound(err) {
secretExists = false
}
secretData := map[string][]byte{}
if secretExists && secret.Data != nil {
secretData = secret.Data
}
var repoIdx int64 = -1
var repoExists bool = false
var maxIdx int64 = -1
for key, val := range secretData {
splitKey := strings.Split(key, ".")
if len(splitKey) != 3 {
continue
}
if splitKey[2] != "repoUri" {
continue
}
idx, err := strconv.ParseInt(splitKey[1], 10, 64)
if err != nil {
return errors.Wrap(err, "failed to parse repo index")
}
if string(val) == repoURI {
repoIdx = idx
repoExists = true
}
if idx > maxIdx {
maxIdx = idx
}
}
if !repoExists {
repoIdx = maxIdx + 1
}
secretData[fmt.Sprintf("provider.%d.type", repoIdx)] = []byte(provider)
secretData[fmt.Sprintf("provider.%d.repoUri", repoIdx)] = []byte(repoURI)
if !repoExists {
keyPair, err := generatePrivateKey_ed25519()
if err != nil {
return errors.Wrap(err, "failed to generate ed25519 key pair")
}
encryptedPrivateKey := crypto.Encrypt([]byte(keyPair.PrivateKeyPEM))
encodedPrivateKey := base64.StdEncoding.EncodeToString(encryptedPrivateKey) // encoding here shouldn't be needed. moved logic from TS where ffi EncryptString function base64 encodes the value as well
secretData[fmt.Sprintf("provider.%d.privateKey", repoIdx)] = []byte(encodedPrivateKey)
secretData[fmt.Sprintf("provider.%d.publicKey", repoIdx)] = []byte(keyPair.PublicKeySSH)
}
hostnameKey := fmt.Sprintf("provider.%d.hostname", repoIdx)
_, ok := secretData[hostnameKey]
if ok {
delete(secretData, hostnameKey)
}
if hostname != "" {
secretData[hostnameKey] = []byte(hostname)
}
httpPortKey := fmt.Sprintf("provider.%d.httpPort", repoIdx)
_, ok = secretData[httpPortKey]
if ok {
delete(secretData, httpPortKey)
}
if httpPort != "" {
secretData[httpPortKey] = []byte(httpPort)
}
sshPortKey := fmt.Sprintf("provider.%d.sshPort", repoIdx)
_, ok = secretData[sshPortKey]
if ok {
delete(secretData, sshPortKey)
}
if sshPort != "" {
secretData[sshPortKey] = []byte(sshPort)
}
if secretExists {
secret.Data = secretData
_, err = clientset.CoreV1().Secrets(util.PodNamespace).Update(context.TODO(), secret, metav1.UpdateOptions{})
if err != nil {
return errors.Wrap(err, "failed to update secret")
}
} else {
secret = &v1.Secret{
ObjectMeta: metav1.ObjectMeta{
Name: "kotsadm-gitops",
Namespace: util.PodNamespace,
Labels: types.GetKotsadmLabels(),
},
Data: secretData,
}
_, err = clientset.CoreV1().Secrets(util.PodNamespace).Create(context.TODO(), secret, metav1.CreateOptions{})
if err != nil {
return errors.Wrap(err, "failed to create secret")
}
}
return nil
}
func ResetGitOps() error {
clientset, err := k8sutil.GetClientset()
if err != nil {
return errors.Wrap(err, "failed to get k8s client set")
}
err = clientset.CoreV1().Secrets(util.PodNamespace).Delete(context.TODO(), "kotsadm-gitops", metav1.DeleteOptions{})
if err != nil && !kuberneteserrors.IsNotFound(err) {
return errors.Wrap(err, "failed to delete secret")
}
err = clientset.CoreV1().ConfigMaps(util.PodNamespace).Delete(context.TODO(), "kotsadm-gitops", metav1.DeleteOptions{})
if err != nil && !kuberneteserrors.IsNotFound(err) {
return errors.Wrap(err, "failed to delete configmap")
}
return nil
}
func GetGitOps() (GlobalGitOpsConfig, error) {
clientset, err := k8sutil.GetClientset()
if err != nil {
return GlobalGitOpsConfig{}, errors.Wrap(err, "failed to get k8s client set")
}
secret, err := clientset.CoreV1().Secrets(util.PodNamespace).Get(context.TODO(), "kotsadm-gitops", metav1.GetOptions{})
if kuberneteserrors.IsNotFound(err) {
return GlobalGitOpsConfig{}, nil
} else if err != nil {
return GlobalGitOpsConfig{}, errors.Wrap(err, "get kotsadm-gitops secret")
}
parsedConfig := GlobalGitOpsConfig{
Enabled: true,
Provider: string(secret.Data["provider.0.type"]),
URI: string(secret.Data["provider.0.repoUri"]),
Hostname: string(secret.Data["provider.0.hostname"]),
HTTPPort: string(secret.Data["provider.0.httpPort"]),
SSHPort: string(secret.Data["provider.0.sshPort"]),
}
return parsedConfig, nil
}
func gitOpsConfigFromSecretData(idx int64, secretData map[string][]byte) (string, string, string, string, string, string, string) {
provider := ""
publicKey := ""
privateKey := ""
repoURI := ""
hostname := ""
httpPort := ""
sshPort := ""
providerDecoded, ok := secretData[fmt.Sprintf("provider.%d.type", idx)]
if ok {
provider = string(providerDecoded)
}
publicKeyDecoded, ok := secretData[fmt.Sprintf("provider.%d.publicKey", idx)]
if ok {
publicKey = string(publicKeyDecoded)
}
privateKeyDecoded, ok := secretData[fmt.Sprintf("provider.%d.privateKey", idx)]
if ok {
privateKey = string(privateKeyDecoded)
}
repoURIDecoded, ok := secretData[fmt.Sprintf("provider.%d.repoUri", idx)]
if ok {
repoURI = string(repoURIDecoded)
}
hostnameDecoded, ok := secretData[fmt.Sprintf("provider.%d.hostname", idx)]
if ok {
hostname = string(hostnameDecoded)
}
httpPortDecoded, ok := secretData[fmt.Sprintf("provider.%d.httpPort", idx)]
if ok {
httpPort = string(httpPortDecoded)
}
sshPortDecoded, ok := secretData[fmt.Sprintf("provider.%d.sshPort", idx)]
if ok {
sshPort = string(sshPortDecoded)
}
return provider, publicKey, privateKey, repoURI, hostname, httpPort, sshPort
}
func getAuth(privateKey string) (transport.AuthMethod, error) {
var auth transport.AuthMethod
signer, err := ssh.ParsePrivateKey([]byte(privateKey))
if err != nil {
return nil, errors.Wrap(err, "failed to parse deploy key")
}
auth = &go_git_ssh.PublicKeys{User: "git", Signer: signer}
auth.(*go_git_ssh.PublicKeys).HostKeyCallback = ssh.InsecureIgnoreHostKey()
return auth, nil
}
func CreateGitOpsCommit(gitOpsConfig *GitOpsConfig, appSlug string, appName string, newSequence int, archiveDir string, downstreamName string) (string, error) {
out, _, err := apparchive.GetRenderedApp(archiveDir, downstreamName, binaries.GetKustomizeBinPath())
if err != nil {
return "", errors.Wrap(err, "failed to get rendered app")
}
// using the deploy key, create the commit in a new branch
auth, err := getAuth(gitOpsConfig.PrivateKey)
if err != nil {
return "", errors.Wrap(err, "failed to get auth")
}
workDir, err := ioutil.TempDir("", "kotsadm")
if err != nil {
return "", errors.Wrap(err, "failed to create temp dir")
}
defer os.RemoveAll(workDir)
cloneURL, err := gitOpsConfig.CloneURL()
if err != nil {
return "", errors.Wrap(err, "failed to get clone url")
}
cloneOptions := &git.CloneOptions{
RemoteName: git.DefaultRemoteName,
URL: cloneURL,
RecurseSubmodules: git.DefaultSubmoduleRecursionDepth,
Auth: auth,
}
cloned, workTree, err := CloneAndCheckout(workDir, cloneOptions, gitOpsConfig.Branch)
if err != nil {
return "", err
}
dirPath := filepath.Join(workDir, gitOpsConfig.Path)
_, err = os.Stat(dirPath)
if os.IsNotExist(err) {
// create subdirectory if not exist
err := os.MkdirAll(dirPath, 0755)
if err != nil {
return "", errors.Wrap(err, "failed to mkdir")
}
} // ignore error here and let the stat of the file below handle any errors
filePath := filepath.Join(dirPath, fmt.Sprintf("%s.yaml", appSlug))
_, err = os.Stat(filePath)
if err == nil { // if the file has not changed, end now
currentRevision, err := os.ReadFile(filePath)
if err != nil {
return "", errors.Wrap(err, "failed to read current app yaml")
}
if string(currentRevision) == string(out) {
return "", nil
}
} else if !os.IsNotExist(err) {
return "", errors.Wrap(err, "failed to stat current app yaml")
}
err = ioutil.WriteFile(filePath, out, 0644)
if err != nil {
return "", errors.Wrap(err, "failed to write updated app yaml")
}
_, err = workTree.Add(strings.TrimPrefix(filepath.Join(gitOpsConfig.Path, fmt.Sprintf("%s.yaml", appSlug)), "/"))
if err != nil {
return "", errors.Wrap(err, "failed to add to worktree")
}
// commit it
updatedHash, err := workTree.Commit(fmt.Sprintf("Updating %s to version %d", appName, newSequence), &git.CommitOptions{
Author: &object.Signature{
Name: "KOTS Admin Console",
Email: "help@replicated.com",
When: time.Now(),
},
})
if err != nil {
return "", errors.Wrap(err, "failed to commit")
}
err = cloned.Push(&git.PushOptions{
RemoteName: cloneOptions.RemoteName,
Auth: auth,
})
if err != nil {
return "", errors.Wrap(err, "failed to push")
}
return gitOpsConfig.CommitURL(updatedHash.String()), nil
}
func generatePrivateKey_ed25519() (*KeyPair, error) {
publicKey, privateKey, err := ed25519.GenerateKey(nil)
if err != nil {
return nil, errors.Wrap(err, "generate ed25519 key pair")
}
sshPublicKey, err := ssh.NewPublicKey(publicKey)
if err != nil {
return nil, errors.Wrap(err, "convert public key to ssh")
}
pemPrivateKey := &pem.Block{
Type: "OPENSSH PRIVATE KEY",
Bytes: edkey.MarshalED25519PrivateKey(privateKey),
}
keyPair := &KeyPair{
PublicKeySSH: string(ssh.MarshalAuthorizedKey(sshPublicKey)),
PrivateKeyPEM: string(pem.EncodeToMemory(pemPrivateKey)),
}
return keyPair, nil
}