forked from kubernetes-sigs/cluster-api-provider-openstack
/
machineservice.go
768 lines (681 loc) · 22.6 KB
/
machineservice.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
/*
Copyright 2018 The Kubernetes Authors.
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 clients
import (
"crypto/tls"
"crypto/x509"
"encoding/base64"
"fmt"
"net/http"
"time"
"github.com/gophercloud/gophercloud/openstack/networking/v2/extensions/security/groups"
"gopkg.in/yaml.v2"
"k8s.io/client-go/kubernetes"
"github.com/gophercloud/gophercloud"
"github.com/gophercloud/gophercloud/openstack"
"github.com/gophercloud/gophercloud/openstack/common/extensions"
"github.com/gophercloud/gophercloud/openstack/compute/v2/extensions/attachinterfaces"
"github.com/gophercloud/gophercloud/openstack/compute/v2/extensions/bootfromvolume"
"github.com/gophercloud/gophercloud/openstack/compute/v2/extensions/floatingips"
"github.com/gophercloud/gophercloud/openstack/compute/v2/extensions/keypairs"
"github.com/gophercloud/gophercloud/openstack/compute/v2/servers"
"github.com/gophercloud/gophercloud/openstack/identity/v3/tokens"
"github.com/gophercloud/gophercloud/openstack/imageservice/v2/images"
netext "github.com/gophercloud/gophercloud/openstack/networking/v2/extensions"
"github.com/gophercloud/gophercloud/openstack/networking/v2/extensions/attributestags"
"github.com/gophercloud/gophercloud/openstack/networking/v2/extensions/trunks"
"github.com/gophercloud/gophercloud/openstack/networking/v2/networks"
"github.com/gophercloud/gophercloud/openstack/networking/v2/ports"
"github.com/gophercloud/gophercloud/openstack/networking/v2/subnets"
"github.com/gophercloud/gophercloud/pagination"
"github.com/gophercloud/utils/openstack/clientconfig"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/klog"
openstackconfigv1 "sigs.k8s.io/cluster-api-provider-openstack/pkg/apis/openstackproviderconfig/v1alpha1"
clusterv1 "sigs.k8s.io/cluster-api/pkg/apis/cluster/v1alpha1"
"sigs.k8s.io/cluster-api/pkg/util"
)
const (
CloudsSecretKey = "clouds.yaml"
CaSecretKey = "cacert"
TimeoutTrunkDelete = 3 * time.Minute
RetryIntervalTrunkDelete = 5 * time.Second
TimeoutPortDelete = 3 * time.Minute
RetryIntervalPortDelete = 5 * time.Second
)
type InstanceService struct {
provider *gophercloud.ProviderClient
computeClient *gophercloud.ServiceClient
identityClient *gophercloud.ServiceClient
networkClient *gophercloud.ServiceClient
imagesClient *gophercloud.ServiceClient
}
type Instance struct {
servers.Server
}
type ServerNetwork struct {
networkID string
subnetID string
}
type InstanceListOpts struct {
// Name of the image in URL format.
Image string `q:"image"`
// Name of the flavor in URL format.
Flavor string `q:"flavor"`
// Name of the server as a string; can be queried with regular expressions.
// Realize that ?name=bob returns both bob and bobb. If you need to match bob
// only, you can use a regular expression matching the syntax of the
// underlying database server implemented for Compute.
Name string `q:"name"`
}
func GetCloudFromSecret(kubeClient kubernetes.Interface, namespace string, secretName string, cloudName string) (clientconfig.Cloud, []byte, error) {
emptyCloud := clientconfig.Cloud{}
if secretName == "" {
return emptyCloud, nil, nil
}
if secretName != "" && cloudName == "" {
return emptyCloud, nil, fmt.Errorf("Secret name set to %v but no cloud was specified. Please set cloud_name in your machine spec.", secretName)
}
secret, err := kubeClient.CoreV1().Secrets(namespace).Get(secretName, metav1.GetOptions{})
if err != nil {
return emptyCloud, nil, err
}
content, ok := secret.Data[CloudsSecretKey]
if !ok {
return emptyCloud, nil, fmt.Errorf("OpenStack credentials secret %v did not contain key %v",
secretName, CloudsSecretKey)
}
var clouds clientconfig.Clouds
err = yaml.Unmarshal(content, &clouds)
if err != nil {
return emptyCloud, nil, fmt.Errorf("failed to unmarshal clouds credentials stored in secret %v: %v", secretName, err)
}
// get cacert
cacert, ok := secret.Data[CaSecretKey]
if !ok {
return emptyCloud, nil, err
}
return clouds.Clouds[cloudName], cacert, nil
}
// TODO: Eventually we'll have a NewInstanceServiceFromCluster too
func NewInstanceServiceFromMachine(kubeClient kubernetes.Interface, machine *clusterv1.Machine) (*InstanceService, error) {
machineSpec, err := openstackconfigv1.MachineSpecFromProviderSpec(machine.Spec.ProviderSpec)
if err != nil {
return nil, err
}
cloud := clientconfig.Cloud{}
var cacert []byte
if machineSpec.CloudsSecret != nil && machineSpec.CloudsSecret.Name != "" {
namespace := machineSpec.CloudsSecret.Namespace
if namespace == "" {
namespace = machine.Namespace
}
cloud, cacert, err = GetCloudFromSecret(kubeClient, namespace, machineSpec.CloudsSecret.Name, machineSpec.CloudName)
if err != nil {
return nil, err
}
}
return NewInstanceServiceFromCloud(cloud, cacert)
}
func NewInstanceService() (*InstanceService, error) {
cloud := clientconfig.Cloud{}
var cacert []byte
return NewInstanceServiceFromCloud(cloud, cacert)
}
func NewInstanceServiceFromCloud(cloud clientconfig.Cloud, cacert []byte) (*InstanceService, error) {
clientOpts := new(clientconfig.ClientOpts)
var opts *gophercloud.AuthOptions
if cloud.AuthInfo != nil {
clientOpts.AuthInfo = cloud.AuthInfo
clientOpts.AuthType = cloud.AuthType
clientOpts.Cloud = cloud.Cloud
clientOpts.RegionName = cloud.RegionName
}
opts, err := clientconfig.AuthOptions(clientOpts)
if err != nil {
return nil, err
}
opts.AllowReauth = true
provider, err := openstack.NewClient(opts.IdentityEndpoint)
if err != nil {
return nil, fmt.Errorf("create providerClient err: %v", err)
}
config := &tls.Config{}
cloudFromYaml, err := clientconfig.GetCloudFromYAML(clientOpts)
if cloudFromYaml.CACertFile != "" {
caCertPool := x509.NewCertPool()
caCertPool.AppendCertsFromPEM(cacert)
config.RootCAs = caCertPool
}
config.InsecureSkipVerify = *cloudFromYaml.Verify
transport := &http.Transport{Proxy: http.ProxyFromEnvironment, TLSClientConfig: config}
provider.HTTPClient.Transport = transport
err = openstack.Authenticate(provider, *opts)
if err != nil {
return nil, fmt.Errorf("providerClient authentication err: %v", err)
}
identityClient, err := openstack.NewIdentityV3(provider, gophercloud.EndpointOpts{
Region: "",
})
if err != nil {
return nil, fmt.Errorf("Create identityClient err: %v", err)
}
serverClient, err := openstack.NewComputeV2(provider, gophercloud.EndpointOpts{
Region: clientOpts.RegionName,
})
if err != nil {
return nil, fmt.Errorf("Create serviceClient err: %v", err)
}
networkingClient, err := openstack.NewNetworkV2(provider, gophercloud.EndpointOpts{
Region: clientOpts.RegionName,
})
if err != nil {
return nil, fmt.Errorf("Create networkingClient err: %v", err)
}
imagesClient, err := openstack.NewImageServiceV2(provider, gophercloud.EndpointOpts{
Region: clientOpts.RegionName,
})
if err != nil {
return nil, fmt.Errorf("Create ImageClient err: %v", err)
}
return &InstanceService{
provider: provider,
identityClient: identityClient,
computeClient: serverClient,
networkClient: networkingClient,
imagesClient: imagesClient,
}, nil
}
// UpdateToken to update token if need.
func (is *InstanceService) UpdateToken() error {
token := is.provider.Token()
result, err := tokens.Validate(is.identityClient, token)
if err != nil {
return fmt.Errorf("Validate token err: %v", err)
}
if result {
return nil
}
klog.V(2).Infof("Token is out of date, getting new token.")
reAuthFunction := is.provider.ReauthFunc
if reAuthFunction() != nil {
return fmt.Errorf("reAuth err: %v", err)
}
return nil
}
func (is *InstanceService) AssociateFloatingIP(instanceID, floatingIP string) error {
opts := floatingips.AssociateOpts{
FloatingIP: floatingIP,
}
return floatingips.AssociateInstance(is.computeClient, instanceID, opts).ExtractErr()
}
func (is *InstanceService) GetAcceptableFloatingIP() (string, error) {
page, err := floatingips.List(is.computeClient).AllPages()
if err != nil {
return "", fmt.Errorf("Get floating IP list failed: %v", err)
}
list, err := floatingips.ExtractFloatingIPs(page)
if err != nil {
return "", err
}
for _, floatingIP := range list {
if floatingIP.FixedIP == "" {
return floatingIP.IP, nil
}
}
return "", fmt.Errorf("Don't have acceptable floating IP")
}
// A function for getting the id of a network by querying openstack with filters
func getNetworkIDsByFilter(is *InstanceService, opts *networks.ListOpts) ([]string, error) {
if opts == nil {
return []string{}, fmt.Errorf("No Filters were passed")
}
pager := networks.List(is.networkClient, opts)
var uuids []string
err := pager.EachPage(func(page pagination.Page) (bool, error) {
networkList, err := networks.ExtractNetworks(page)
if err != nil {
return false, err
} else if len(networkList) == 0 {
return false, fmt.Errorf("No networks could be found with the filters provided")
}
for _, network := range networkList {
uuids = append(uuids, network.ID)
}
return true, nil
})
if err != nil {
return []string{}, err
}
return uuids, nil
}
// A function for getting the id of a subnet by querying openstack with filters
func getSubnetsByFilter(is *InstanceService, opts *subnets.ListOpts) ([]subnets.Subnet, error) {
if opts == nil {
return []subnets.Subnet{}, fmt.Errorf("No Filters were passed")
}
pager := subnets.List(is.networkClient, opts)
var snets []subnets.Subnet
err := pager.EachPage(func(page pagination.Page) (bool, error) {
subnetList, err := subnets.ExtractSubnets(page)
if err != nil {
return false, err
} else if len(subnetList) == 0 {
return false, fmt.Errorf("No subnets could be found with the filters provided")
}
for _, subnet := range subnetList {
snets = append(snets, subnet)
}
return true, nil
})
if err != nil {
return []subnets.Subnet{}, err
}
return snets, nil
}
func CreatePort(is *InstanceService, name string, net ServerNetwork, securityGroups *[]string) (ports.Port, error) {
portCreateOpts := ports.CreateOpts{
Name: name,
NetworkID: net.networkID,
SecurityGroups: securityGroups,
}
if net.subnetID != "" {
portCreateOpts.FixedIPs = []ports.IP{{SubnetID: net.subnetID}}
}
newPort, err := ports.Create(is.networkClient, portCreateOpts).Extract()
if err != nil {
return ports.Port{}, fmt.Errorf("Create port for server err: %v", err)
}
return *newPort, nil
}
func isDuplicate(list []string, name string) bool {
if list == nil || len(list) == 0 {
return false
}
for _, element := range list {
if element == name {
return true
}
}
return false
}
func GetSecurityGroups(is *InstanceService, sg_param []openstackconfigv1.SecurityGroupParam, cluster *clusterv1.Cluster, machine *clusterv1.Machine) ([]string, error) {
clusterName := fmt.Sprintf("%s-%s", cluster.Namespace, cluster.Name)
secGroupService, err := NewSecGroupService(is.networkClient)
if err != nil {
return nil, fmt.Errorf("failed to create security group service: %v", err)
}
clusterStatus, err := openstackconfigv1.ClusterStatusFromProviderStatus(cluster.Status.ProviderStatus)
if err != nil {
return nil, fmt.Errorf("failed to load cluster provider status: %v", err)
}
clusterSpec, err := openstackconfigv1.ClusterSpecFromProviderSpec(cluster.Spec.ProviderSpec)
if err != nil {
return nil, fmt.Errorf("failed to load cluster provider spec: %v", err)
}
err = secGroupService.Reconcile(clusterName, *clusterSpec, clusterStatus)
if err != nil {
return nil, fmt.Errorf("failed to reconcile security groups: %v", err)
}
if clusterSpec.ManagedSecurityGroups {
klog.Infof("SecurityGroups section from machine spec will be ignored, generated security groups will be attached to machines")
if util.IsControlPlaneMachine(machine) {
return []string{clusterStatus.ControlPlaneSecurityGroup.ID, clusterStatus.GlobalSecurityGroup.ID}, nil
}
return []string{clusterStatus.GlobalSecurityGroup.ID}, nil
}
var sgIDs []string
for _, sg := range sg_param {
listOpts := groups.ListOpts(sg.Filter)
listOpts.Name = sg.Name
listOpts.ID = sg.UUID
pages, err := groups.List(is.networkClient, listOpts).AllPages()
if err != nil {
return nil, err
}
SGList, err := groups.ExtractGroups(pages)
if err != nil {
return nil, err
}
for _, group := range SGList {
if isDuplicate(sgIDs, group.ID) {
continue
}
sgIDs = append(sgIDs, group.ID)
}
}
return sgIDs, nil
}
// Helper function for getting image ID from name
func getImageID(is *InstanceService, imageName string) (string, error) {
if imageName == "" {
return "", nil
}
opts := images.ListOpts{
Name: imageName,
}
pages, err := images.List(is.imagesClient, opts).AllPages()
if err != nil {
return "", err
}
allImages, err := images.ExtractImages(pages)
if err != nil {
return "", err
}
switch len(allImages) {
case 0:
return "", fmt.Errorf("no image with the name %s could be found", imageName)
case 1:
return allImages[0].ID, nil
default:
return "", fmt.Errorf("too many images with the name, %s, were found", imageName)
}
}
// InstanceCreate creates a compute instance
func (is *InstanceService) InstanceCreate(cluster *clusterv1.Cluster, machine *clusterv1.Machine, clusterSpec *openstackconfigv1.OpenstackClusterProviderSpec, config *openstackconfigv1.OpenstackProviderSpec, cmd string, keyName string) (instance *Instance, err error) {
var createOpts servers.CreateOptsBuilder
if config == nil {
return nil, fmt.Errorf("create Options need be specified to create instace")
}
if config.Trunk == true {
trunkSupport, err := GetTrunkSupport(is)
if err != nil {
return nil, fmt.Errorf("There was an issue verifying whether trunk support is available, please disable it: %v", err)
}
if trunkSupport == false {
return nil, fmt.Errorf("There is no trunk support. Please disable it")
}
}
// Set default Tags
machineTags := []string{
"cluster-api-provider-openstack",
fmt.Sprintf("%s-%s", cluster.ObjectMeta.Namespace, cluster.Name),
}
// Append machine specific tags
machineTags = append(machineTags, config.Tags...)
// Append cluster scope tags
machineTags = append(machineTags, clusterSpec.Tags...)
// Get security groups
securityGroups, err := GetSecurityGroups(is, config.SecurityGroups, cluster, machine)
if err != nil {
return nil, err
}
// Get all network UUIDs
var nets []ServerNetwork
for _, net := range config.Networks {
opts := networks.ListOpts(net.Filter)
opts.ID = net.UUID
ids, err := getNetworkIDsByFilter(is, &opts)
if err != nil {
return nil, err
}
for _, netID := range ids {
if net.Subnets == nil {
nets = append(nets, ServerNetwork{
networkID: netID,
})
}
for _, snet := range net.Subnets {
sopts := subnets.ListOpts(snet.Filter)
sopts.ID = snet.UUID
sopts.NetworkID = netID
snets, err := getSubnetsByFilter(is, &sopts)
if err != nil {
return nil, err
}
for _, snet := range snets {
nets = append(nets, ServerNetwork{
networkID: snet.NetworkID,
subnetID: snet.ID,
})
}
}
}
}
userData := base64.StdEncoding.EncodeToString([]byte(cmd))
var ports_list []servers.Network
for _, net := range nets {
if net.networkID == "" {
return nil, fmt.Errorf("No network was found or provided. Please check your machine configuration and try again")
}
allPages, err := ports.List(is.networkClient, ports.ListOpts{
Name: machine.Name,
NetworkID: net.networkID,
}).AllPages()
if err != nil {
return nil, fmt.Errorf("Searching for existing port for server err: %v", err)
}
portList, err := ports.ExtractPorts(allPages)
if err != nil {
return nil, fmt.Errorf("Searching for existing port for server err: %v", err)
}
var port ports.Port
if len(portList) == 0 {
// create server port
port, err = CreatePort(is, machine.Name, net, &securityGroups)
if err != nil {
return nil, fmt.Errorf("Failed to create port err: %v", err)
}
} else {
port = portList[0]
}
_, err = attributestags.ReplaceAll(is.networkClient, "ports", port.ID, attributestags.ReplaceAllOpts{
Tags: machineTags}).Extract()
if err != nil {
return nil, fmt.Errorf("Tagging port for server err: %v", err)
}
ports_list = append(ports_list, servers.Network{
Port: port.ID,
})
if config.Trunk == true {
allPages, err := trunks.List(is.networkClient, trunks.ListOpts{
Name: machine.Name,
PortID: port.ID,
}).AllPages()
if err != nil {
return nil, fmt.Errorf("Searching for existing trunk for server err: %v", err)
}
trunkList, err := trunks.ExtractTrunks(allPages)
if err != nil {
return nil, fmt.Errorf("Searching for existing trunk for server err: %v", err)
}
var trunk trunks.Trunk
if len(trunkList) == 0 {
// create trunk with the previous port as parent
trunkCreateOpts := trunks.CreateOpts{
Name: machine.Name,
PortID: port.ID,
}
newTrunk, err := trunks.Create(is.networkClient, trunkCreateOpts).Extract()
if err != nil {
return nil, fmt.Errorf("Create trunk for server err: %v", err)
}
trunk = *newTrunk
} else {
trunk = trunkList[0]
}
_, err = attributestags.ReplaceAll(is.networkClient, "trunks", trunk.ID, attributestags.ReplaceAllOpts{
Tags: machineTags}).Extract()
if err != nil {
return nil, fmt.Errorf("Tagging trunk for server err: %v", err)
}
}
}
var serverTags []string
if clusterSpec.DisableServerTags == false {
serverTags = machineTags
// NOTE(flaper87): This is the minimum required version
// to use tags.
is.computeClient.Microversion = "2.52"
}
// Get image ID
imageID, err := getImageID(is, config.Image)
if err != nil {
return nil, fmt.Errorf("Create new server err: %v", err)
}
serverCreateOpts := servers.CreateOpts{
Name: machine.Name,
ImageName: imageID,
FlavorName: config.Flavor,
AvailabilityZone: config.AvailabilityZone,
Networks: ports_list,
UserData: []byte(userData),
SecurityGroups: securityGroups,
ServiceClient: is.computeClient,
Tags: serverTags,
Metadata: config.ServerMetadata,
ConfigDrive: config.ConfigDrive,
}
// If the root volume Size is not 0, means boot from volume
if config.RootVolume != nil && config.RootVolume.Size != 0 {
var blocks []bootfromvolume.BlockDevice
block := bootfromvolume.BlockDevice{
SourceType: bootfromvolume.SourceType(config.RootVolume.SourceType),
BootIndex: 0,
UUID: config.RootVolume.SourceUUID,
DeleteOnTermination: true,
DestinationType: bootfromvolume.DestinationVolume,
VolumeSize: config.RootVolume.Size,
DeviceType: config.RootVolume.DeviceType,
}
blocks = append(blocks, block)
createOpts = bootfromvolume.CreateOptsExt{
CreateOptsBuilder: createOpts,
BlockDevice: blocks,
}
}
server, err := servers.Create(is.computeClient, keypairs.CreateOptsExt{
CreateOptsBuilder: serverCreateOpts,
KeyName: keyName,
}).Extract()
if err != nil {
return nil, fmt.Errorf("Create new server err: %v", err)
}
is.computeClient.Microversion = ""
return serverToInstance(server), nil
}
func (is *InstanceService) InstanceDelete(id string) error {
// get instance port id
allInterfaces, err := attachinterfaces.List(is.computeClient, id).AllPages()
if err != nil {
return err
}
instanceInterfaces, err := attachinterfaces.ExtractInterfaces(allInterfaces)
if err != nil {
return err
}
if len(instanceInterfaces) < 1 {
return servers.Delete(is.computeClient, id).ExtractErr()
}
trunkSupport, err := GetTrunkSupport(is)
if err != nil {
return fmt.Errorf("Obtaining network extensions err: %v", err)
}
// get and delete trunks
for _, port := range instanceInterfaces {
err := attachinterfaces.Delete(is.computeClient, id, port.PortID).ExtractErr()
if err != nil {
return err
}
if trunkSupport {
listOpts := trunks.ListOpts{
PortID: port.PortID,
}
allTrunks, err := trunks.List(is.networkClient, listOpts).AllPages()
if err != nil {
return err
}
trunkInfo, err := trunks.ExtractTrunks(allTrunks)
if err != nil {
return err
}
if len(trunkInfo) == 1 {
err = util.PollImmediate(RetryIntervalTrunkDelete, TimeoutTrunkDelete, func() (bool, error) {
err := trunks.Delete(is.networkClient, trunkInfo[0].ID).ExtractErr()
if err != nil {
return false, nil
}
return true, nil
})
if err != nil {
return fmt.Errorf("Error deleting the trunk %v", trunkInfo[0].ID)
}
}
}
// delete port
err = util.PollImmediate(RetryIntervalPortDelete, TimeoutPortDelete, func() (bool, error) {
err := ports.Delete(is.networkClient, port.PortID).ExtractErr()
if err != nil {
return false, nil
}
return true, nil
})
if err != nil {
return fmt.Errorf("Error deleting the port %v", port.PortID)
}
}
// delete instance
return servers.Delete(is.computeClient, id).ExtractErr()
}
func GetTrunkSupport(is *InstanceService) (bool, error) {
allPages, err := netext.List(is.networkClient).AllPages()
if err != nil {
return false, err
}
allExts, err := extensions.ExtractExtensions(allPages)
if err != nil {
return false, err
}
for _, ext := range allExts {
if ext.Alias == "trunk" {
return true, nil
}
}
return false, nil
}
func (is *InstanceService) GetInstanceList(opts *InstanceListOpts) ([]*Instance, error) {
var listOpts servers.ListOpts
if opts != nil {
listOpts = servers.ListOpts{
Name: opts.Name,
}
} else {
listOpts = servers.ListOpts{}
}
allPages, err := servers.List(is.computeClient, listOpts).AllPages()
if err != nil {
return nil, fmt.Errorf("Get service list err: %v", err)
}
serverList, err := servers.ExtractServers(allPages)
if err != nil {
return nil, fmt.Errorf("Extract services list err: %v", err)
}
var instanceList []*Instance
for _, server := range serverList {
instanceList = append(instanceList, serverToInstance(&server))
}
return instanceList, nil
}
func (is *InstanceService) GetInstance(resourceId string) (instance *Instance, err error) {
if resourceId == "" {
return nil, fmt.Errorf("ResourceId should be specified to get detail.")
}
server, err := servers.Get(is.computeClient, resourceId).Extract()
if err != nil {
return nil, fmt.Errorf("Get server %q detail failed: %v", resourceId, err)
}
return serverToInstance(server), err
}
func serverToInstance(server *servers.Server) *Instance {
return &Instance{*server}
}