/
virtual_network.go
852 lines (724 loc) · 25.2 KB
/
virtual_network.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
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
package types
import (
"context"
"net"
"strings"
"github.com/Juniper/asf/pkg/errutil"
"github.com/Juniper/asf/pkg/format"
"github.com/Juniper/contrail/pkg/models"
"github.com/Juniper/contrail/pkg/services"
"github.com/Juniper/contrail/pkg/types/ipam"
"github.com/pkg/errors"
asfdb "github.com/Juniper/asf/pkg/db"
asfmodels "github.com/Juniper/asf/pkg/models"
protobuf "github.com/gogo/protobuf/types"
)
//CreateVirtualNetwork do pre check and post setup for virtual network.
func (sv *ContrailTypeLogicService) CreateVirtualNetwork(
ctx context.Context,
request *services.CreateVirtualNetworkRequest) (response *services.CreateVirtualNetworkResponse, err error) {
virtualNetwork := request.VirtualNetwork
if err = sv.prevalidateVirtualNetwork(virtualNetwork); err != nil {
return nil, err
}
// neutron <-> vnc sharing
virtualNetwork.MakeNeutronCompatible()
err = sv.InTransactionDoer.DoInTransaction(
ctx,
func(ctx context.Context) error {
if err = sv.reserveVirtualNetworkVxLANID(ctx, virtualNetwork); err != nil {
return err
}
virtualNetwork.VirtualNetworkNetworkID, err = sv.IntPoolAllocator.AllocateInt(
ctx,
VirtualNetworkIDPoolKey,
asfdb.EmptyIntOwner,
)
if err != nil {
return err
}
err = sv.validateVirtualNetworkOnCreate(ctx, virtualNetwork)
if err != nil {
return err
}
err = sv.allocateRefSubnets(ctx, virtualNetwork)
if err != nil {
return err
}
response, err = sv.BaseService.CreateVirtualNetwork(ctx, request)
if err != nil {
return err
}
return sv.createDefaultRoutingInstance(ctx, response.VirtualNetwork)
})
return response, err
}
// UpdateVirtualNetwork do pre check for virtual network update.
func (sv *ContrailTypeLogicService) UpdateVirtualNetwork(
ctx context.Context,
request *services.UpdateVirtualNetworkRequest) (response *services.UpdateVirtualNetworkResponse, err error) {
requestedVN := request.VirtualNetwork
err = sv.InTransactionDoer.DoInTransaction(
ctx,
func(ctx context.Context) error {
var virtualNetworkResponse *services.GetVirtualNetworkResponse
virtualNetworkResponse, err = sv.ReadService.GetVirtualNetwork(ctx, &services.GetVirtualNetworkRequest{
ID: requestedVN.UUID,
})
if err != nil {
return errutil.ErrorBadRequestf("couldn't get virtual network (%v) for an update: %v", requestedVN.UUID, err)
}
currentVN := virtualNetworkResponse.GetVirtualNetwork()
if err = checkMultiPolicyServiceChainConfig(request, *currentVN); err != nil {
return err
}
//TODO: check VirtualNetworkID
err = sv.processVxlanIDUpdate(ctx, currentVN, requestedVN, &request.FieldMask)
if err != nil {
return err
}
//TODO: check changes in virtual_network_properties
// we need to read ipam_refs from db and for any ipam
// if subnet_method is flat-subnet, network_mode should be l3
err = sv.processIpamNetworkSubnets(ctx, requestedVN)
if err != nil {
return err
}
//TODO: check route target (depends on global system config)
//TODO: check provider details
err = sv.checkIsProviderNetwork(currentVN, requestedVN, &request.FieldMask)
if err != nil {
return err
}
err = sv.checkProviderNetwork(ctx, currentVN, requestedVN, &request.FieldMask)
if err != nil {
return err
}
//TODO: check network support BGP types
//TODO: check BGPVPN Refs
err = sv.updateVnSubnetsInAddrMgmt(ctx, currentVN, requestedVN, &request.FieldMask)
if err != nil {
return err
}
response, err = sv.BaseService.UpdateVirtualNetwork(ctx, request)
//TODO: update native/default-VN routing instance
return err
})
return response, err
}
// DeleteVirtualNetwork do pre/post check/teardown for delete network.
func (sv *ContrailTypeLogicService) DeleteVirtualNetwork(
ctx context.Context,
request *services.DeleteVirtualNetworkRequest) (response *services.DeleteVirtualNetworkResponse, err error) {
uuid := request.ID
err = sv.InTransactionDoer.DoInTransaction(
ctx,
func(ctx context.Context) error {
var virtualNetworkResponse *services.GetVirtualNetworkResponse
virtualNetworkResponse, err = sv.ReadService.GetVirtualNetwork(ctx, &services.GetVirtualNetworkRequest{
ID: uuid,
})
if err != nil {
return errutil.ErrorNotFoundf("couldn't get virtual network (%v) for a delete: %v", uuid, err)
}
vn := virtualNetworkResponse.GetVirtualNetwork()
// Deallocate virtual network ID
err = sv.IntPoolAllocator.DeallocateInt(ctx,
VirtualNetworkIDPoolKey, vn.VirtualNetworkNetworkID)
if err != nil {
return errutil.ErrorBadRequestf("couldn't deallocate virtual network (%v) id(%v): %v",
uuid, vn.VirtualNetworkNetworkID, err)
}
err = sv.deleteDefaultRoutingInstance(ctx, vn)
if err != nil {
return err
}
var subnetsToDelete *models.IpamSubnets
subnetsToDelete, err = sv.getRefSubnets(ctx, vn)
if err != nil {
return err
}
err = sv.deallocateVnSubnetsInAddrMgmt(ctx, vn, subnetsToDelete)
if err != nil {
return errutil.ErrorBadRequestf("couldn't remove virtual network subnet objects: %v", err)
}
if err = sv.deallocateVirtualNetworkVxLANID(ctx, vn); err != nil {
return err
}
response, err = sv.BaseService.DeleteVirtualNetwork(ctx, request)
return err
})
return response, err
}
// checkMultiPolicyServiceChainConfig validates if in case of
// enabled Multi Policy Service Chain Support resource still doesn't contain
// the same import and export route target.
func checkMultiPolicyServiceChainConfig(
request *services.UpdateVirtualNetworkRequest, currentVN models.VirtualNetwork,
) error {
updateVN := request.GetVirtualNetwork()
fm := request.GetFieldMask()
if asfmodels.FieldMaskContains(&fm, models.VirtualNetworkFieldMultiPolicyServiceChainsEnabled) {
currentVN.MultiPolicyServiceChainsEnabled = updateVN.MultiPolicyServiceChainsEnabled
}
if !currentVN.MultiPolicyServiceChainsEnabled {
return nil
}
if asfmodels.FieldMaskContains(&fm, models.VirtualNetworkFieldImportRouteTargetList) {
currentVN.ImportRouteTargetList = updateVN.ImportRouteTargetList
}
if asfmodels.FieldMaskContains(&fm, models.VirtualNetworkFieldExportRouteTargetList) {
currentVN.ExportRouteTargetList = updateVN.ExportRouteTargetList
}
if asfmodels.FieldMaskContains(&fm, models.VirtualNetworkFieldRouteTargetList) {
currentVN.RouteTargetList = updateVN.RouteTargetList
}
return currentVN.CheckMultiPolicyServiceChainConfig()
}
func (sv *ContrailTypeLogicService) prevalidateVirtualNetwork(vn *models.VirtualNetwork) error {
// check if multiple policy service chain supported
if err := vn.CheckMultiPolicyServiceChainConfig(); err != nil {
return err
}
// Does not authorize to set the virtual network ID as it's allocated
// by the vnc server
return sv.checkVirtualNetworkID(nil, vn, nil)
}
func (sv *ContrailTypeLogicService) validateVirtualNetworkOnCreate(
ctx context.Context, virtualNetwork *models.VirtualNetwork,
) error {
if err := sv.processIpamNetworkSubnets(ctx, virtualNetwork); err != nil {
return err
}
//TODO: check route target (depends on global system config)
//TODO: check provider details
if err := sv.checkIsProviderNetwork(nil, virtualNetwork, nil); err != nil {
return err
}
if err := sv.checkProviderNetwork(ctx, nil, virtualNetwork, nil); err != nil {
return err
}
if err := sv.checkNetworkSupportBGPTypes(ctx, virtualNetwork); err != nil {
return err
}
if err := sv.checkBGPVPNRefs(ctx, virtualNetwork); err != nil {
return err
}
return nil
}
func (sv *ContrailTypeLogicService) createDefaultRoutingInstance(
ctx context.Context, vn *models.VirtualNetwork,
) error {
_, err := sv.WriteService.CreateRoutingInstance(
ctx, &services.CreateRoutingInstanceRequest{
RoutingInstance: vn.MakeDefaultRoutingInstance(),
},
)
if err != nil {
return errors.Wrap(err, "could not create default routing instance for VN")
}
return nil
}
func (sv *ContrailTypeLogicService) deleteDefaultRoutingInstance(
ctx context.Context, vn *models.VirtualNetwork,
) error {
// Delete native/VN-default routing instance if it hasn't been deleted by the user
if ri := vn.GetDefaultRoutingInstance(); ri != nil {
// TODO: delete children of the default routing instance
_, err := sv.WriteService.DeleteRoutingInstance(
ctx, &services.DeleteRoutingInstanceRequest{
ID: ri.UUID,
},
)
if err != nil {
return errors.Wrapf(err,
"could not delete default routing instance (uuid: %v) for VN (%v)", ri.UUID, vn.UUID)
}
}
return nil
}
func (sv *ContrailTypeLogicService) processVxlanIDUpdate(
ctx context.Context,
currentVN *models.VirtualNetwork, requestedVN *models.VirtualNetwork,
fieldMask *protobuf.FieldMask,
) error {
if !asfmodels.FieldMaskContains(
fieldMask,
models.VirtualNetworkFieldVirtualNetworkProperties,
models.VirtualNetworkTypeFieldVxlanNetworkIdentifier,
) {
return nil
}
currentVxLANID := currentVN.GetVirtualNetworkProperties().GetVxlanNetworkIdentifier()
requestedVxLANID := requestedVN.GetVirtualNetworkProperties().GetVxlanNetworkIdentifier()
if currentVxLANID == requestedVxLANID {
return nil
}
if err := sv.deallocateVirtualNetworkVxLANID(ctx, currentVN); err != nil {
return err
}
requestedVN.FQName = currentVN.FQName
if err := sv.reserveVirtualNetworkVxLANID(ctx, requestedVN); err != nil {
return err
}
return nil
}
func (sv *ContrailTypeLogicService) reserveVirtualNetworkVxLANID(
ctx context.Context, virtualNetwork *models.VirtualNetwork,
) error {
vxLANID := virtualNetwork.GetVirtualNetworkProperties().GetVxlanNetworkIdentifier()
if vxLANID == 0 {
return nil
}
err := sv.IntPoolAllocator.SetInt(ctx, VirtualNetworkIDPoolKey, vxLANID, virtualNetwork.VxLANIntOwner())
if err != nil {
return errutil.ErrorBadRequestf("cannot allocate provided vxlan identifier(%v): %v", vxLANID, err)
}
return nil
}
func (sv *ContrailTypeLogicService) deallocateVirtualNetworkVxLANID(
ctx context.Context, virtualNetwork *models.VirtualNetwork,
) error {
vxLANID := virtualNetwork.GetVirtualNetworkProperties().GetVxlanNetworkIdentifier()
if vxLANID == 0 {
return nil
}
err := sv.IntPoolAllocator.DeallocateInt(ctx, VirtualNetworkIDPoolKey, vxLANID)
if err != nil {
return errutil.ErrorBadRequestf("couldn't deallocate vxlan network id(%v): %v", vxLANID, err)
}
return nil
}
func mergeIpamSubnetsIfNoOverlap(subnets []*net.IPNet, ipamSubnets []*models.IpamSubnetType) ([]*net.IPNet, error) {
for _, subnet := range ipamSubnets {
n, err := subnet.Subnet.Net()
if err != nil {
return nil, errors.Wrapf(err, "failed to parse subnet(%v)", subnet.SubnetUUID)
}
subnets, err = appendSubnetIfNoOverlap(subnets, n)
if err != nil {
return nil, err
}
}
return subnets, nil
}
func validateIpamSubnets(
virtualNetwork *models.VirtualNetwork, ipam *models.NetworkIpam, vnSubnets *models.VnSubnetsType,
) error {
if !ipam.IsFlatSubnet() {
return vnSubnets.ValidateUserDefined()
}
if !virtualNetwork.IsSupportingL3VPNType() {
return errors.New("flat-subnet is allowed only with l3 network")
}
return vnSubnets.ValidateFlatSubnet()
}
func extractIpamSubnets(ipam *models.NetworkIpam, vnSubnets *models.VnSubnetsType) []*models.IpamSubnetType {
if ipam.IsFlatSubnet() {
return ipam.GetIpamSubnets().GetSubnets()
}
return vnSubnets.GetIpamSubnets()
}
func (sv *ContrailTypeLogicService) processIpamNetworkSubnets(
ctx context.Context, virtualNetwork *models.VirtualNetwork,
) error {
// check for each ipam references
ipamReferences := virtualNetwork.NetworkIpamRefs
// ip subnet must not overlap in a same network.
// so we create a list of subnet for overlap check.
subnets := []*net.IPNet{}
for _, ipamReference := range ipamReferences {
ipamResponse, err := sv.ReadService.GetNetworkIpam(ctx, &services.GetNetworkIpamRequest{
ID: ipamReference.UUID,
})
if err != nil {
return errutil.ErrorBadRequestf("getting referenced network IPAM with UUID %s failed: %v",
ipamReference.UUID, err)
}
ipam := ipamResponse.NetworkIpam
vnSubnet := ipamReference.GetAttr()
err = validateIpamSubnets(virtualNetwork, ipam, vnSubnet)
if err != nil {
return errutil.ErrorBadRequestf(
"validation of IPAM subnets of referenced network IPAM with UUID %s failed: %v",
ipamReference.UUID, err)
}
ipamSubnets := extractIpamSubnets(ipam, vnSubnet)
subnets, err = mergeIpamSubnetsIfNoOverlap(subnets, ipamSubnets)
if err != nil {
return errutil.ErrorBadRequestf(
"merging of IPAM subnets of referenced network IPAM with UUID %s failed: %v",
ipamReference.UUID, err)
}
//TODO: check network subnet quota
}
return nil
}
func (sv *ContrailTypeLogicService) allocateVnSubnet(
ctx context.Context, vnSubnet *models.IpamSubnetType) (subnetUUID string, err error) {
var subnetAlreadyCreated bool
subnetAlreadyCreated, err = sv.AddressManager.CheckIfIpamSubnetExists(ctx, vnSubnet.SubnetUUID)
if err != nil {
return "", errutil.ErrorBadRequestf("couldn't check if ipam subnet with UUID %v exists: %v", vnSubnet.SubnetUUID, err)
}
if subnetAlreadyCreated {
return vnSubnet.SubnetUUID, nil
}
subnetUUID, err = sv.AddressManager.CreateIpamSubnet(ctx, &ipam.CreateIpamSubnetRequest{
IpamSubnet: vnSubnet,
})
if err != nil {
return "", errutil.ErrorBadRequestf("couldn't allocate ipam subnet %v: %v", vnSubnet.SubnetUUID, err)
}
return subnetUUID, nil
}
func (sv *ContrailTypeLogicService) deallocateVnSubnet(
ctx context.Context, subnetUUID string) (err error) {
err = sv.AddressManager.DeleteIpamSubnet(ctx, &ipam.DeleteIpamSubnetRequest{
SubnetUUID: subnetUUID,
})
if err != nil {
return errutil.ErrorBadRequestf("couldn't deallocate ipam subnet %v: %v", subnetUUID, err)
}
return nil
}
func (sv *ContrailTypeLogicService) updateVnSubnetsInAddrMgmt(
ctx context.Context,
currentVN *models.VirtualNetwork,
requestedVN *models.VirtualNetwork,
fieldMask *protobuf.FieldMask,
) error {
if !asfmodels.FieldMaskContains(fieldMask, models.VirtualNetworkFieldNetworkIpamRefs) {
return nil
}
vnSubnetsToDelete := currentVN.GetIpamSubnets().Subtract(requestedVN.GetIpamSubnets())
err := sv.deallocateVnSubnetsInAddrMgmt(ctx, currentVN, vnSubnetsToDelete)
if err != nil {
return err
}
// TODO: update existing subnets
return sv.allocateRefSubnets(ctx, requestedVN)
}
//TODO handle multiple subnet in ipam refs
func (sv *ContrailTypeLogicService) allocateVnSubnetsInAddrMgmt(
ctx context.Context, ipamRef *models.VirtualNetworkNetworkIpamRef,
) error {
if ipamRef.GetAttr() != nil {
if len(ipamRef.GetAttr().GetIpamSubnets()) > 0 {
linkedIpamSubnets := ipamRef.GetAttr().GetIpamSubnets()
for _, vnSubnet := range linkedIpamSubnets {
subnetUUID, err := sv.allocateVnSubnet(ctx, vnSubnet)
if err != nil {
return err
}
vnSubnet.SubnetUUID = subnetUUID
}
} else {
ipamResponse, err := sv.ReadService.GetNetworkIpam(ctx, &services.GetNetworkIpamRequest{
ID: ipamRef.GetUUID(),
})
if err != nil {
return errutil.ErrorBadRequestf("getting referenced network IPAM with UUID %s failed: %v",
ipamRef.GetUUID(), err)
}
linkedIpamSubnets := ipamResponse.GetNetworkIpam().GetIpamSubnets().GetSubnets()
for _, vnSubnet := range linkedIpamSubnets {
subnetUUID, err := sv.allocateVnSubnet(ctx, vnSubnet)
if err != nil {
return err
}
ipamRef.Attr.IpamSubnets = append(ipamRef.Attr.IpamSubnets, &models.IpamSubnetType{
SubnetUUID: subnetUUID})
}
}
}
return nil
}
func (sv *ContrailTypeLogicService) allocateRefSubnets(
ctx context.Context, vn *models.VirtualNetwork,
) error {
for _, netIpamRef := range vn.GetNetworkIpamRefs() {
if err := sv.allocateVnSubnetsInAddrMgmt(ctx, netIpamRef); err != nil {
return err
}
}
return nil
}
func (sv *ContrailTypeLogicService) deallocateVnSubnetsInAddrMgmt(
ctx context.Context, vn *models.VirtualNetwork, vnSubnets *models.IpamSubnets,
) error {
err := sv.canSubnetsBeDeleted(ctx, vn, vnSubnets)
if err != nil {
return errutil.ErrorConflictf("subnets from virtual network %v cannot be deleted: %v", vn.GetUUID(), err)
}
for _, subnetUUID := range vn.GetIpamSubnets().UUIDs() {
err := sv.deallocateVnSubnet(ctx, subnetUUID)
if err != nil {
return err
}
}
return nil
}
func (sv *ContrailTypeLogicService) checkVirtualNetworkID(
currentVN *models.VirtualNetwork, requestedVN *models.VirtualNetwork, fieldMask *protobuf.FieldMask) error {
if currentVN == nil {
if requestedVN.HasVirtualNetworkNetworkID() {
return errutil.ErrorForbidden("cannot set the virtual network ID, it's allocated by the server")
}
return nil
}
if !format.ContainsString(fieldMask.GetPaths(), models.VirtualNetworkFieldVirtualNetworkNetworkID) {
return nil
}
if currentVN.GetVirtualNetworkNetworkID() != requestedVN.GetVirtualNetworkNetworkID() {
return errutil.ErrorForbidden("cannot update the virtual network ID, it's allocated by the server")
}
return nil
}
func (sv *ContrailTypeLogicService) checkIsProviderNetwork(
currentVN *models.VirtualNetwork, requestedVN *models.VirtualNetwork,
fieldMask *protobuf.FieldMask) error {
if currentVN == nil {
if requestedVN.IsProviderNetwork {
return errutil.ErrorBadRequestf("non-provider VN (%v) can not be configured with %v = True",
requestedVN.UUID, models.VirtualNetworkFieldIsProviderNetwork)
}
return nil
}
if !format.ContainsString(fieldMask.GetPaths(), models.VirtualNetworkFieldIsProviderNetwork) {
return nil
}
if currentVN.IsProviderNetwork != requestedVN.IsProviderNetwork {
return errutil.ErrorBadRequestf("update %v property of VN (%v) is not allowed",
models.VirtualNetworkFieldIsProviderNetwork, requestedVN.UUID)
}
return nil
}
func (sv *ContrailTypeLogicService) isProviderNetwork(
currentVN *models.VirtualNetwork, requestedVN *models.VirtualNetwork,
fieldMask *protobuf.FieldMask) bool {
isProviderNetwork := requestedVN.IsProviderNetwork
if currentVN != nil && !format.ContainsString(fieldMask.GetPaths(), models.VirtualNetworkFieldIsProviderNetwork) {
isProviderNetwork = currentVN.IsProviderNetwork
}
return isProviderNetwork
}
func (sv *ContrailTypeLogicService) checkProviderNetwork(
ctx context.Context, currentVN *models.VirtualNetwork, requestedVN *models.VirtualNetwork,
fieldMask *protobuf.FieldMask) error {
// No further checks if not linked to a provider network.
if len(requestedVN.VirtualNetworkRefs) == 0 {
return nil
}
isProviderNetwork := sv.isProviderNetwork(currentVN, requestedVN, fieldMask)
// Non-provider network can connect to only one provider network.
if !isProviderNetwork && len(requestedVN.VirtualNetworkRefs) > 1 {
return errutil.ErrorBadRequestf(
"non-provider VN (%v) can be connected to one provider VN but trying to connect to multiple VN: %v",
requestedVN.UUID, func() (vnUUIDs []string) {
for _, vnRef := range requestedVN.VirtualNetworkRefs {
vnUUIDs = append(vnUUIDs, vnRef.GetUUID())
}
return vnUUIDs
}())
}
linkedProviderVirtualNetworkUUIDs, err := sv.getLinkedProviderVirtualNetworks(ctx, requestedVN)
if err != nil {
return err
}
// Provider VN can not connect to another provider VN.
if isProviderNetwork && len(linkedProviderVirtualNetworkUUIDs) > 0 {
return errutil.ErrorBadRequestf("provider VN (%v) cannot be connected to another provider VN (%v)",
requestedVN.UUID, linkedProviderVirtualNetworkUUIDs)
}
// Non-provider network can connect to only one provider network.
if !isProviderNetwork && len(linkedProviderVirtualNetworkUUIDs) != 1 {
return errutil.ErrorBadRequestf("non-provider VN (%v) can be connected to one provider VN but not to (%v)",
requestedVN.UUID, linkedProviderVirtualNetworkUUIDs)
}
return nil
}
func (sv *ContrailTypeLogicService) checkNetworkSupportBGPTypes(
ctx context.Context, virtualNetwork *models.VirtualNetwork) error {
if virtualNetwork.IsSupportingAnyVPNType() {
return nil
}
for _, ref := range virtualNetwork.BGPVPNRefs {
vpnType, err := sv.getBGPVPNType(ctx, ref.UUID)
if err != nil {
return err
}
if vpnType != virtualNetwork.GetVirtualNetworkProperties().GetForwardingMode() {
return errutil.ErrorBadRequestf(
"bgp types check failed: cannot associate bgpvpn type '%v' "+
"with a virtual network in forwarding mode '%v'",
vpnType,
virtualNetwork.GetVirtualNetworkProperties().GetForwardingMode(),
)
}
}
return nil
}
func (sv *ContrailTypeLogicService) checkBGPVPNRefs(
ctx context.Context, virtualNetwork *models.VirtualNetwork) error {
if len(virtualNetwork.BGPVPNRefs) == 0 {
return nil
}
if len(virtualNetwork.LogicalRouterRefs) == 0 {
return nil
}
for _, logicalRouterUUID := range virtualNetwork.LogicalRouterRefs {
refUUID := logicalRouterUUID.UUID
logicalRouterResponse, err := sv.ReadService.GetLogicalRouter(
ctx,
&services.GetLogicalRouterRequest{ID: refUUID},
)
if err != nil {
return err
}
logicalRouter := logicalRouterResponse.GetLogicalRouter()
vpnRefs := logicalRouter.BGPVPNRefs
if len(vpnRefs) > 0 {
vpnUUIDs := []string{}
for _, vpnRef := range vpnRefs {
vpnUUIDs = append(vpnUUIDs, vpnRef.UUID)
}
return errutil.ErrorBadRequestf(
"bgp VPN check failed: network %v is linked to a logical router "+
"which is associated to bgpvpn(s) %v",
virtualNetwork.UUID,
strings.Join(vpnUUIDs, ","),
)
}
}
return nil
}
func (sv *ContrailTypeLogicService) getBGPVPNType(ctx context.Context, id string) (string, error) {
getResponse, err := sv.ReadService.GetBGPVPN(ctx, &services.GetBGPVPNRequest{
ID: id,
})
if err != nil {
return "", err
}
return getResponse.BGPVPN.BGPVPNType, nil
}
func (sv *ContrailTypeLogicService) getLinkedProviderVirtualNetworks(
ctx context.Context, virtualNetwork *models.VirtualNetwork) ([]string, error) {
var linkedProviderVirtualNetworkUUIDs []string
for _, vnRef := range virtualNetwork.GetVirtualNetworkRefs() {
getResponse, err := sv.ReadService.GetVirtualNetwork(ctx, &services.GetVirtualNetworkRequest{
ID: vnRef.GetUUID(),
})
if err != nil {
return nil, err
}
linkedVirtualNetwork := getResponse.GetVirtualNetwork()
if linkedVirtualNetwork.GetIsProviderNetwork() {
linkedProviderVirtualNetworkUUIDs = append(linkedProviderVirtualNetworkUUIDs, linkedVirtualNetwork.GetUUID())
}
}
return linkedProviderVirtualNetworkUUIDs, nil
}
func (sv *ContrailTypeLogicService) canSubnetsBeDeleted(
ctx context.Context,
vn *models.VirtualNetwork,
vnSubnets *models.IpamSubnets,
) error {
err := sv.checkIfInstanceIPsAreNotUsedInSubnets(ctx, vn, vnSubnets)
if err != nil {
return err
}
err = sv.checkIfFloatingIPsAreNotUsedInSubnets(ctx, vn, vnSubnets)
if err != nil {
return err
}
return sv.checkIfAliasIPsAreNotUsedInSubnets(ctx, vn, vnSubnets)
}
func (sv *ContrailTypeLogicService) checkIfInstanceIPsAreNotUsedInSubnets(
ctx context.Context,
vn *models.VirtualNetwork,
vnSubnets *models.IpamSubnets,
) error {
for _, instanceIPBackRef := range vn.GetInstanceIPBackRefs() {
instanceIPRes, err := sv.ReadService.GetInstanceIP(ctx, &services.GetInstanceIPRequest{
ID: instanceIPBackRef.GetUUID()})
if err != nil {
return err
}
instanceIP := instanceIPRes.GetInstanceIP()
contains, err := vnSubnets.Contains(instanceIP.GetInstanceIPAddress())
if err != nil {
return err
}
if contains {
return errors.Errorf("cannot delete IP block, ip(%v) is in use", instanceIP.GetInstanceIPAddress())
}
}
return nil
}
func (sv *ContrailTypeLogicService) checkIfFloatingIPsAreNotUsedInSubnets(
ctx context.Context,
vn *models.VirtualNetwork,
vnSubnets *models.IpamSubnets,
) error {
for _, floatingIPPoolRef := range vn.GetFloatingIPPools() {
floatingIPPoolRes, err := sv.ReadService.GetFloatingIPPool(ctx, &services.GetFloatingIPPoolRequest{
ID: floatingIPPoolRef.GetUUID()})
if err != nil {
return err
}
ipAddresses, err := floatingIPPoolRes.GetFloatingIPPool().GetIPsInSubnets(vnSubnets)
if err != nil {
return err
}
if len(ipAddresses) > 0 {
return errors.Errorf("cannot delete IP block, floating ip addresses (%v) are in use", ipAddresses)
}
}
return nil
}
func (sv *ContrailTypeLogicService) checkIfAliasIPsAreNotUsedInSubnets(
ctx context.Context,
vn *models.VirtualNetwork,
vnSubnets *models.IpamSubnets,
) error {
for _, aliasIPPoolRef := range vn.GetAliasIPPools() {
aliasIPPoolRes, err := sv.ReadService.GetAliasIPPool(ctx, &services.GetAliasIPPoolRequest{
ID: aliasIPPoolRef.GetUUID()})
if err != nil {
return err
}
ipAddresses, err := aliasIPPoolRes.GetAliasIPPool().GetIPsInSubnets(vnSubnets)
if err != nil {
return err
}
if len(ipAddresses) > 0 {
return errors.Errorf("cannot delete IP block, alias ip addresses (%v) are in use", ipAddresses)
}
}
return nil
}
func (sv *ContrailTypeLogicService) getRefSubnets(
ctx context.Context,
vn *models.VirtualNetwork,
) (*models.IpamSubnets, error) {
if vn.GetAddressAllocationMethod() == models.UserDefinedSubnetOnly {
return vn.GetIpamSubnets(), nil
} else if vn.GetAddressAllocationMethod() == models.FlatSubnetOnly {
var subnets []*models.IpamSubnetType
for _, ipamRef := range vn.GetNetworkIpamRefs() {
ipamResponse, err := sv.ReadService.GetNetworkIpam(ctx, &services.GetNetworkIpamRequest{
ID: ipamRef.GetUUID(),
})
if err != nil {
return nil, errutil.ErrorBadRequestf("getting referenced network IPAM with UUID %s failed: %v",
ipamRef.GetUUID(), err)
}
subnets = append(subnets, ipamResponse.GetNetworkIpam().GetIpamSubnets().GetSubnets()...)
return &models.IpamSubnets{
Subnets: subnets,
}, nil
}
}
return nil, nil
}