forked from goamz/goamz
-
Notifications
You must be signed in to change notification settings - Fork 1
/
autoscaling.go
1762 lines (1552 loc) · 58.4 KB
/
autoscaling.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
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
//
// autoscaling: This package provides types and functions to interact with the AWS Auto Scale API
//
// Depends on https://wiki.ubuntu.com/goamz
//
package autoscaling
import (
"encoding/base64"
"encoding/xml"
"fmt"
"log"
"net/http"
"net/http/httputil"
"net/url"
"sort"
"strconv"
"strings"
"time"
"github.com/goamz/goamz/aws"
)
const debug = false
var timeNow = time.Now
// AutoScaling contains the details of the AWS region to perform operations against.
type AutoScaling struct {
*aws.Auth
aws.Region
}
// New creates a new AutoScaling Client.
func New(auth *aws.Auth, region aws.Region) *AutoScaling {
return &AutoScaling{auth, region}
}
// ----------------------------------------------------------------------------
// Request dispatching logic.
// Error encapsulates an error returned by the AWS Auto Scaling API.
//
// See http://goo.gl/VZGuC for more details.
type Error struct {
// HTTP status code (200, 403, ...)
StatusCode int
// AutoScaling error code ("UnsupportedOperation", ...)
Code string
// The error type
Type string
// The human-oriented error message
Message string
RequestId string `xml:"RequestID"`
}
func (err *Error) Error() string {
if err.Code == "" {
return err.Message
}
return fmt.Sprintf("%s (%s)", err.Message, err.Code)
}
type xmlErrors struct {
RequestId string `xml:"RequestId"`
Errors []Error `xml:"Error"`
}
func (as *AutoScaling) query(params map[string]string, resp interface{}) error {
params["Version"] = "2011-01-01"
data := strings.NewReader(multimap(params).Encode())
hreq, err := http.NewRequest("POST", as.Region.AutoScalingEndpoint+"/", data)
if err != nil {
return err
}
hreq.Header.Set("Content-Type", "application/x-www-form-urlencoded; param=value")
aws.NewV4Signer(as.Auth, "autoscaling", as.Region).Sign(hreq)
if debug {
log.Printf("%v -> {\n", hreq)
}
r, err := http.DefaultClient.Do(hreq)
if err != nil {
log.Printf("Error calling Amazon %v", err)
return err
}
defer r.Body.Close()
if debug {
dump, _ := httputil.DumpResponse(r, true)
log.Printf("response:\n")
log.Printf("%v\n}\n", string(dump))
}
if r.StatusCode != 200 {
return buildError(r)
}
err = xml.NewDecoder(r.Body).Decode(resp)
return err
}
func buildError(r *http.Response) error {
var (
err Error
errors xmlErrors
)
xml.NewDecoder(r.Body).Decode(&errors)
if len(errors.Errors) > 0 {
err = errors.Errors[0]
}
err.RequestId = errors.RequestId
err.StatusCode = r.StatusCode
if err.Message == "" {
err.Message = r.Status
}
return &err
}
func multimap(p map[string]string) url.Values {
q := make(url.Values, len(p))
for k, v := range p {
q[k] = []string{v}
}
return q
}
func makeParams(action string) map[string]string {
params := make(map[string]string)
params["Action"] = action
return params
}
func addParamsList(params map[string]string, label string, ids []string) {
for i, id := range ids {
params[label+"."+strconv.Itoa(i+1)] = id
}
}
// ----------------------------------------------------------------------------
// Filtering helper.
// Filter builds filtering parameters to be used in an autoscaling query which supports
// filtering. For example:
//
// filter := NewFilter()
// filter.Add("architecture", "i386")
// filter.Add("launch-index", "0")
// resp, err := as.DescribeTags(filter,nil,nil)
//
type Filter struct {
m map[string][]string
}
// NewFilter creates a new Filter.
func NewFilter() *Filter {
return &Filter{make(map[string][]string)}
}
// Add appends a filtering parameter with the given name and value(s).
func (f *Filter) Add(name string, value ...string) {
f.m[name] = append(f.m[name], value...)
}
func (f *Filter) addParams(params map[string]string) {
if f != nil {
a := make([]string, len(f.m))
i := 0
for k := range f.m {
a[i] = k
i++
}
sort.StringSlice(a).Sort()
for i, k := range a {
prefix := "Filters.member." + strconv.Itoa(i+1)
params[prefix+".Name"] = k
for j, v := range f.m[k] {
params[prefix+".Values.member."+strconv.Itoa(j+1)] = v
}
}
}
}
// ----------------------------------------------------------------------------
// Auto Scaling base types and related functions.
// SimpleResp is the basic response from most actions.
type SimpleResp struct {
XMLName xml.Name
RequestId string `xml:"ResponseMetadata>RequestId"`
}
// EnabledMetric encapsulates a metric associated with an Auto Scaling Group
//
// See http://goo.gl/hXiH17 for more details
type EnabledMetric struct {
Granularity string `xml:"Granularity"` // The granularity of the enabled metric.
Metric string `xml:"Metric"` // The name of the enabled metric.
}
// Instance encapsulates an instance type as returned by the Auto Scaling API
//
// See http://goo.gl/NwBxGh and http://goo.gl/OuoqhS for more details.
type Instance struct {
// General instance information
AutoScalingGroupName string `xml:"AutoScalingGroupName"`
AvailabilityZone string `xml:"AvailabilityZone"`
HealthStatus string `xml:"HealthStatus"`
InstanceId string `xml:"InstanceId"`
LaunchConfigurationName string `xml:"LaunchConfigurationName"`
LifecycleState string `xml:"LifecycleState"`
}
// SuspenedProcess encapsulates an Auto Scaling process that has been suspended
//
// See http://goo.gl/iObPgF for more details
type SuspendedProcess struct {
ProcessName string `xml:"ProcessName"`
SuspensionReason string `xml:"SuspensionReason"`
}
// Tag encapsulates tag applied to an Auto Scaling group.
//
// See http://goo.gl/MG1hqs for more details
type Tag struct {
Key string `xml:"Key"`
PropagateAtLaunch bool `xml:"PropagateAtLaunch"` // Specifies whether the new tag will be applied to instances launched after the tag is created
ResourceId string `xml:"ResourceId"` // the name of the Auto Scaling group - not required if creating ASG
ResourceType string `xml:"ResourceType"` // currently only auto-scaling-group is supported - not required if creating ASG
Value string `xml:"Value"`
}
// AutoScalingGroup encapsulates an Auto Scaling Group object
//
// See http://goo.gl/fJdYhg for more details.
type AutoScalingGroup struct {
AutoScalingGroupARN string `xml:"AutoScalingGroupARN"`
AutoScalingGroupName string `xml:"AutoScalingGroupName"`
AvailabilityZones []string `xml:"AvailabilityZones>member"`
CreatedTime time.Time `xml:"CreatedTime"`
DefaultCooldown int `xml:"DefaultCooldown"`
DesiredCapacity int `xml:"DesiredCapacity"`
EnabledMetrics []EnabledMetric `xml:"EnabledMetric>member"`
HealthCheckGracePeriod int `xml:"HealthCheckGracePeriod"`
HealthCheckType string `xml:"HealthCheckType"`
Instances []Instance `xml:"Instances>member"`
LaunchConfigurationName string `xml:"LaunchConfigurationName"`
LoadBalancerNames []string `xml:"LoadBalancerNames>member"`
MaxSize int `xml:"MaxSize"`
MinSize int `xml:"MinSize"`
PlacementGroup string `xml:"PlacementGroup"`
Status string `xml:"Status"`
SuspendedProcesses []SuspendedProcess `xml:"SuspendedProcesses>member"`
Tags []Tag `xml:"Tags>member"`
TerminationPolicies []string `xml:"TerminationPolicies>member"`
VPCZoneIdentifier string `xml:"VPCZoneIdentifier"`
}
// CreateAutoScalingGroupParams type encapsulates options for the respective request.
//
// See http://goo.gl/3S13Bv for more details.
type CreateAutoScalingGroupParams struct {
AutoScalingGroupName string
AvailabilityZones []string
DefaultCooldown int
DesiredCapacity int
HealthCheckGracePeriod int
HealthCheckType string
InstanceId string
LaunchConfigurationName string
LoadBalancerNames []string
MaxSize int
MinSize int
PlacementGroup string
Tags []Tag
TerminationPolicies []string
VPCZoneIdentifier string
}
// AttachInstances Attach running instances to an autoscaling group
//
// See http://goo.gl/zDZbuQ for more details.
func (as *AutoScaling) AttachInstances(name string, instanceIds []string) (resp *SimpleResp, err error) {
params := makeParams("AttachInstances")
params["AutoScalingGroupName"] = name
for i, id := range instanceIds {
key := fmt.Sprintf("InstanceIds.member.%d", i+1)
params[key] = id
}
resp = new(SimpleResp)
if err := as.query(params, resp); err != nil {
return nil, err
}
return resp, nil
}
// CreateAutoScalingGroup creates an Auto Scaling Group on AWS
//
// Required params: AutoScalingGroupName, MinSize, MaxSize
//
// See http://goo.gl/3S13Bv for more details.
func (as *AutoScaling) CreateAutoScalingGroup(options *CreateAutoScalingGroupParams) (
resp *SimpleResp, err error) {
params := makeParams("CreateAutoScalingGroup")
params["AutoScalingGroupName"] = options.AutoScalingGroupName
params["MaxSize"] = strconv.Itoa(options.MaxSize)
params["MinSize"] = strconv.Itoa(options.MinSize)
params["DesiredCapacity"] = strconv.Itoa(options.DesiredCapacity)
if options.DefaultCooldown > 0 {
params["DefaultCooldown"] = strconv.Itoa(options.DefaultCooldown)
}
if options.HealthCheckGracePeriod > 0 {
params["HealthCheckGracePeriod"] = strconv.Itoa(options.HealthCheckGracePeriod)
}
if options.HealthCheckType != "" {
params["HealthCheckType"] = options.HealthCheckType
}
if options.InstanceId != "" {
params["InstanceId"] = options.InstanceId
}
if options.LaunchConfigurationName != "" {
params["LaunchConfigurationName"] = options.LaunchConfigurationName
}
if options.PlacementGroup != "" {
params["PlacementGroup"] = options.PlacementGroup
}
if options.VPCZoneIdentifier != "" {
params["VPCZoneIdentifier"] = options.VPCZoneIdentifier
}
if len(options.LoadBalancerNames) > 0 {
addParamsList(params, "LoadBalancerNames.member", options.LoadBalancerNames)
}
if len(options.AvailabilityZones) > 0 {
addParamsList(params, "AvailabilityZones.member", options.AvailabilityZones)
}
if len(options.TerminationPolicies) > 0 {
addParamsList(params, "TerminationPolicies.member", options.TerminationPolicies)
}
for i, t := range options.Tags {
key := "Tags.member.%d.%s"
index := i + 1
params[fmt.Sprintf(key, index, "Key")] = t.Key
params[fmt.Sprintf(key, index, "Value")] = t.Value
params[fmt.Sprintf(key, index, "PropagateAtLaunch")] = strconv.FormatBool(t.PropagateAtLaunch)
}
resp = new(SimpleResp)
if err := as.query(params, resp); err != nil {
return nil, err
}
return resp, nil
}
// EBS represents the AWS EBS volume data type
//
// See http://goo.gl/nDUL2h for more details
type EBS struct {
DeleteOnTermination bool `xml:"DeleteOnTermination"`
Iops int `xml:"Iops"`
SnapshotId string `xml:"SnapshotId"`
VolumeSize int `xml:"VolumeSize"`
VolumeType string `xml:"VolumeType"`
}
// BlockDeviceMapping represents the association of a block device with ebs volume.
//
// See http://goo.gl/wEGwkU for more details.
type BlockDeviceMapping struct {
DeviceName string `xml:"DeviceName"`
Ebs EBS `xml:"Ebs"`
NoDevice bool `xml:"NoDevice"`
VirtualName string `xml:"VirtualName"`
}
// InstanceMonitoring data type
//
// See http://goo.gl/TfaPwz for more details
type InstanceMonitoring struct {
Enabled bool `xml:"Enabled"`
}
// LaunchConfiguration encapsulates the LaunchConfiguration Data Type
//
// See http://goo.gl/TOJunp
type LaunchConfiguration struct {
AssociatePublicIpAddress bool `xml:"AssociatePublicIpAddress"`
BlockDeviceMappings []BlockDeviceMapping `xml:"BlockDeviceMappings>member"`
CreatedTime time.Time `xml:"CreatedTime"`
EbsOptimized bool `xml:"EbsOptimized"`
IamInstanceProfile string `xml:"IamInstanceProfile"`
ImageId string `xml:"ImageId"`
InstanceId string `xml:"InstanceId"`
InstanceMonitoring InstanceMonitoring `xml:"InstanceMonitoring"`
InstanceType string `xml:"InstanceType"`
KernelId string `xml:"KernelId"`
KeyName string `xml:"KeyName"`
LaunchConfigurationARN string `xml:"LaunchConfigurationARN"`
LaunchConfigurationName string `xml:"LaunchConfigurationName"`
RamdiskId string `xml:"RamdiskId"`
SecurityGroups []string `xml:"SecurityGroups>member"`
SpotPrice string `xml:"SpotPrice"`
UserData string `xml:"UserData"`
}
// CreateLaunchConfiguration creates a launch configuration
//
// Required params: AutoScalingGroupName, MinSize, MaxSize
//
// See http://goo.gl/8e0BSF for more details.
func (as *AutoScaling) CreateLaunchConfiguration(lc *LaunchConfiguration) (
resp *SimpleResp, err error) {
var b64 = base64.StdEncoding
params := makeParams("CreateLaunchConfiguration")
params["LaunchConfigurationName"] = lc.LaunchConfigurationName
if lc.AssociatePublicIpAddress {
params["AssociatePublicIpAddress"] = strconv.FormatBool(lc.AssociatePublicIpAddress)
}
if lc.EbsOptimized {
params["EbsOptimized"] = strconv.FormatBool(lc.EbsOptimized)
}
if lc.IamInstanceProfile != "" {
params["IamInstanceProfile"] = lc.IamInstanceProfile
}
if lc.ImageId != "" {
params["ImageId"] = lc.ImageId
}
if lc.InstanceId != "" {
params["InstanceId"] = lc.InstanceId
}
if lc.InstanceMonitoring != (InstanceMonitoring{}) {
params["InstanceMonitoring.Enabled"] = strconv.FormatBool(lc.InstanceMonitoring.Enabled)
}
if lc.InstanceType != "" {
params["InstanceType"] = lc.InstanceType
}
if lc.KernelId != "" {
params["KernelId"] = lc.KernelId
}
if lc.KeyName != "" {
params["KeyName"] = lc.KeyName
}
if lc.RamdiskId != "" {
params["RamdiskId"] = lc.RamdiskId
}
if lc.SpotPrice != "" {
params["SpotPrice"] = lc.SpotPrice
}
if lc.UserData != "" {
params["UserData"] = b64.EncodeToString([]byte(lc.UserData))
}
// Add our block device mappings
for i, bdm := range lc.BlockDeviceMappings {
key := "BlockDeviceMappings.member.%d.%s"
index := i + 1
params[fmt.Sprintf(key, index, "DeviceName")] = bdm.DeviceName
params[fmt.Sprintf(key, index, "VirtualName")] = bdm.VirtualName
if bdm.NoDevice {
params[fmt.Sprintf(key, index, "NoDevice")] = "true"
}
if bdm.Ebs != (EBS{}) {
key := "BlockDeviceMappings.member.%d.Ebs.%s"
// Defaults to true
params[fmt.Sprintf(key, index, "DeleteOnTermination")] = strconv.FormatBool(bdm.Ebs.DeleteOnTermination)
if bdm.Ebs.Iops > 0 {
params[fmt.Sprintf(key, index, "Iops")] = strconv.Itoa(bdm.Ebs.Iops)
}
if bdm.Ebs.SnapshotId != "" {
params[fmt.Sprintf(key, index, "SnapshotId")] = bdm.Ebs.SnapshotId
}
if bdm.Ebs.VolumeSize > 0 {
params[fmt.Sprintf(key, index, "VolumeSize")] = strconv.Itoa(bdm.Ebs.VolumeSize)
}
if bdm.Ebs.VolumeType != "" {
params[fmt.Sprintf(key, index, "VolumeType")] = bdm.Ebs.VolumeType
}
}
}
if len(lc.SecurityGroups) > 0 {
addParamsList(params, "SecurityGroups.member", lc.SecurityGroups)
}
resp = new(SimpleResp)
if err := as.query(params, resp); err != nil {
return nil, err
}
return resp, nil
}
// CreateOrUpdateTags creates or updates Auto Scaling Group Tags
//
// See http://goo.gl/e1UIXb for more details.
func (as *AutoScaling) CreateOrUpdateTags(tags []Tag) (resp *SimpleResp, err error) {
params := makeParams("CreateOrUpdateTags")
for i, t := range tags {
key := "Tags.member.%d.%s"
index := i + 1
params[fmt.Sprintf(key, index, "Key")] = t.Key
params[fmt.Sprintf(key, index, "Value")] = t.Value
params[fmt.Sprintf(key, index, "PropagateAtLaunch")] = strconv.FormatBool(t.PropagateAtLaunch)
params[fmt.Sprintf(key, index, "ResourceId")] = t.ResourceId
if t.ResourceType != "" {
params[fmt.Sprintf(key, index, "ResourceType")] = t.ResourceType
} else {
params[fmt.Sprintf(key, index, "ResourceType")] = "auto-scaling-group"
}
}
resp = new(SimpleResp)
if err := as.query(params, resp); err != nil {
return nil, err
}
return resp, nil
}
type CompleteLifecycleActionParams struct {
AutoScalingGroupName string
LifecycleActionResult string
LifecycleActionToken string
LifecycleHookName string
}
// CompleteLifecycleAction completes the lifecycle action for the associated token initiated under the given lifecycle hook with the specified result.
//
// Part of the basic sequence for adding a lifecycle hook to an Auto Scaling group:
// 1) Create a notification target (SQS queue || SNS Topic)
// 2) Create an IAM role to allow the ASG topublish lifecycle notifications to the designated SQS queue or SNS topic
// 3) Create the lifecycle hook. You can create a hook that acts when instances launch or when instances terminate
// 4) If necessary, record the lifecycle action heartbeat to keep the instance in a pending state
// 5) ***Complete the lifecycle action***
//
// See http://goo.gl/k4fl0p for more details
func (as *AutoScaling) CompleteLifecycleAction(options *CompleteLifecycleActionParams) (
resp *SimpleResp, err error) {
params := makeParams("CompleteLifecycleAction")
params["AutoScalingGroupName"] = options.AutoScalingGroupName
params["LifecycleActionResult"] = options.LifecycleActionResult
params["LifecycleActionToken"] = options.LifecycleActionToken
params["LifecycleHookName"] = options.LifecycleHookName
resp = new(SimpleResp)
if err := as.query(params, resp); err != nil {
return nil, err
}
return resp, nil
}
// DeleteAutoScalingGroup deletes an Auto Scaling Group
//
// See http://goo.gl/us7VSffor for more details.
func (as *AutoScaling) DeleteAutoScalingGroup(asgName string, forceDelete bool) (
resp *SimpleResp, err error) {
params := makeParams("DeleteAutoScalingGroup")
params["AutoScalingGroupName"] = asgName
if forceDelete {
params["ForceDelete"] = "true"
}
resp = new(SimpleResp)
if err := as.query(params, resp); err != nil {
return nil, err
}
return resp, nil
}
// DeleteLaunchConfiguration deletes a Launch Configuration
//
// See http://goo.gl/xksfyR for more details.
func (as *AutoScaling) DeleteLaunchConfiguration(name string) (resp *SimpleResp, err error) {
params := makeParams("DeleteLaunchConfiguration")
params["LaunchConfigurationName"] = name
resp = new(SimpleResp)
if err := as.query(params, resp); err != nil {
return nil, err
}
return resp, nil
}
// DeleteLifecycleHook eletes the specified lifecycle hook.
// If there are any outstanding lifecycle actions, they are completed first
//
// See http://goo.gl/MwX1vG for more details.
func (as *AutoScaling) DeleteLifecycleHook(asgName, lifecycleHookName string) (resp *SimpleResp, err error) {
params := makeParams("DeleteLifecycleHook")
params["AutoScalingGroupName"] = asgName
params["LifecycleHookName"] = lifecycleHookName
resp = new(SimpleResp)
if err := as.query(params, resp); err != nil {
return nil, err
}
return resp, nil
}
// DeleteNotificationConfiguration deletes notifications created by PutNotificationConfiguration.
//
// See http://goo.gl/jTqoYz for more details
func (as *AutoScaling) DeleteNotificationConfiguration(asgName string, topicARN string) (
resp *SimpleResp, err error) {
params := makeParams("DeleteNotificationConfiguration")
params["AutoScalingGroupName"] = asgName
params["TopicARN"] = topicARN
resp = new(SimpleResp)
if err := as.query(params, resp); err != nil {
return nil, err
}
return resp, nil
}
// DeletePolicy deletes a policy created by PutScalingPolicy.
//
// policyName might be the policy name or ARN
//
// See http://goo.gl/aOQPH2 for more details
func (as *AutoScaling) DeletePolicy(asgName string, policyName string) (resp *SimpleResp, err error) {
params := makeParams("DeletePolicy")
params["AutoScalingGroupName"] = asgName
params["PolicyName"] = policyName
resp = new(SimpleResp)
if err := as.query(params, resp); err != nil {
return nil, err
}
return resp, nil
}
// DeleteScheduledAction deletes a scheduled action previously created using the PutScheduledUpdateGroupAction.
//
// See http://goo.gl/Zss9CH for more details
func (as *AutoScaling) DeleteScheduledAction(asgName string, scheduledActionName string) (resp *SimpleResp, err error) {
params := makeParams("DeleteScheduledAction")
params["AutoScalingGroupName"] = asgName
params["ScheduledActionName"] = scheduledActionName
resp = new(SimpleResp)
if err := as.query(params, resp); err != nil {
return nil, err
}
return resp, nil
}
// DeleteTags deletes autoscaling group tags
//
// See http://goo.gl/o8HzAk for more details.
func (as *AutoScaling) DeleteTags(tags []Tag) (resp *SimpleResp, err error) {
params := makeParams("DeleteTags")
for i, t := range tags {
key := "Tags.member.%d.%s"
index := i + 1
params[fmt.Sprintf(key, index, "Key")] = t.Key
params[fmt.Sprintf(key, index, "Value")] = t.Value
params[fmt.Sprintf(key, index, "PropagateAtLaunch")] = strconv.FormatBool(t.PropagateAtLaunch)
params[fmt.Sprintf(key, index, "ResourceId")] = t.ResourceId
params[fmt.Sprintf(key, index, "ResourceType")] = "auto-scaling-group"
}
resp = new(SimpleResp)
if err := as.query(params, resp); err != nil {
return nil, err
}
return resp, nil
}
//DescribeAccountLimits response wrapper
//
// See http://goo.gl/tKsMN0 for more details.
type DescribeAccountLimitsResp struct {
MaxNumberOfAutoScalingGroups int `xml:"DescribeAccountLimitsResult>MaxNumberOfAutoScalingGroups"`
MaxNumberOfLaunchConfigurations int `xml:"DescribeAccountLimitsResult>MaxNumberOfLaunchConfigurations"`
RequestId string `xml:"ResponseMetadata>RequestId"`
}
// DescribeAccountLimits - Returns the limits for the Auto Scaling resources currently allowed for your AWS account.
//
// See http://goo.gl/tKsMN0 for more details.
func (as *AutoScaling) DescribeAccountLimits() (resp *DescribeAccountLimitsResp, err error) {
params := makeParams("DescribeAccountLimits")
resp = new(DescribeAccountLimitsResp)
if err := as.query(params, resp); err != nil {
return nil, err
}
return resp, nil
}
// AdjustmentType specifies whether the PutScalingPolicy ScalingAdjustment parameter is an absolute number or a percentage of the current capacity.
//
// See http://goo.gl/tCFqeL for more details
type AdjustmentType struct {
AdjustmentType string //Valid values are ChangeInCapacity, ExactCapacity, and PercentChangeInCapacity.
}
//DescribeAdjustmentTypes response wrapper
//
// See http://goo.gl/hGx3Pc for more details.
type DescribeAdjustmentTypesResp struct {
AdjustmentTypes []AdjustmentType `xml:"DescribeAdjustmentTypesResult>AdjustmentTypes>member"`
RequestId string `xml:"ResponseMetadata>RequestId"`
}
// DescribeAdjustmentTypes returns policy adjustment types for use in the PutScalingPolicy action.
//
// See http://goo.gl/hGx3Pc for more details.
func (as *AutoScaling) DescribeAdjustmentTypes() (resp *DescribeAdjustmentTypesResp, err error) {
params := makeParams("DescribeAdjustmentTypes")
resp = new(DescribeAdjustmentTypesResp)
if err := as.query(params, resp); err != nil {
return nil, err
}
return resp, nil
}
// DescribeAutoScalingGroups response wrapper
//
// See http://goo.gl/nW74Ut for more details.
type DescribeAutoScalingGroupsResp struct {
AutoScalingGroups []AutoScalingGroup `xml:"DescribeAutoScalingGroupsResult>AutoScalingGroups>member"`
NextToken string `xml:"DescribeAutoScalingGroupsResult>NextToken"`
RequestId string `xml:"ResponseMetadata>RequestId"`
}
// DescribeAutoScalingGroups returns a full description of each Auto Scaling group in the given list
// If no autoscaling groups are provided, returns the details of all autoscaling groups
// Supports pagination by using the returned "NextToken" parameter for subsequent calls
//
// See http://goo.gl/nW74Ut for more details.
func (as *AutoScaling) DescribeAutoScalingGroups(names []string, maxRecords int, nextToken string) (
resp *DescribeAutoScalingGroupsResp, err error) {
params := makeParams("DescribeAutoScalingGroups")
if maxRecords != 0 {
params["MaxRecords"] = strconv.Itoa(maxRecords)
}
if nextToken != "" {
params["NextToken"] = nextToken
}
if len(names) > 0 {
addParamsList(params, "AutoScalingGroupNames.member", names)
}
resp = new(DescribeAutoScalingGroupsResp)
if err := as.query(params, resp); err != nil {
return nil, err
}
return resp, nil
}
// DescribeAutoScalingInstances response wrapper
//
// See http://goo.gl/ckzORt for more details.
type DescribeAutoScalingInstancesResp struct {
AutoScalingInstances []Instance `xml:"DescribeAutoScalingInstancesResult>AutoScalingInstances>member"`
NextToken string `xml:"DescribeAutoScalingInstancesResult>NextToken"`
RequestId string `xml:"ResponseMetadata>RequestId"`
}
// DescribeAutoScalingInstances returns a description of each Auto Scaling instance in the InstanceIds list.
// If a list is not provided, the service returns the full details of all instances up to a maximum of 50
// By default, the service returns a list of 20 items.
// Supports pagination by using the returned "NextToken" parameter for subsequent calls
//
// See http://goo.gl/ckzORt for more details.
func (as *AutoScaling) DescribeAutoScalingInstances(ids []string, maxRecords int, nextToken string) (
resp *DescribeAutoScalingInstancesResp, err error) {
params := makeParams("DescribeAutoScalingInstances")
if maxRecords != 0 {
params["MaxRecords"] = strconv.Itoa(maxRecords)
}
if nextToken != "" {
params["NextToken"] = nextToken
}
if len(ids) > 0 {
addParamsList(params, "InstanceIds.member", ids)
}
resp = new(DescribeAutoScalingInstancesResp)
if err := as.query(params, resp); err != nil {
return nil, err
}
return resp, nil
}
// DescribeAutoScalingNotificationTypes response wrapper
//
// See http://goo.gl/pmLIoE for more details.
type DescribeAutoScalingNotificationTypesResp struct {
AutoScalingNotificationTypes []string `xml:"DescribeAutoScalingNotificationTypesResult>AutoScalingNotificationTypes>member"`
RequestId string `xml:"ResponseMetadata>RequestId"`
}
// DescribeAutoScalingNotificationTypes returns a list of all notification types that are supported by Auto Scaling
//
// See http://goo.gl/pmLIoE for more details.
func (as *AutoScaling) DescribeAutoScalingNotificationTypes() (resp *DescribeAutoScalingNotificationTypesResp, err error) {
params := makeParams("DescribeAutoScalingNotificationTypes")
resp = new(DescribeAutoScalingNotificationTypesResp)
if err := as.query(params, resp); err != nil {
return nil, err
}
return resp, nil
}
// DescribeLaunchConfigurationResp defines the basic response structure for launch configuration
// requests
//
// See http://goo.gl/y31YYE for more details.
type DescribeLaunchConfigurationsResp struct {
LaunchConfigurations []LaunchConfiguration `xml:"DescribeLaunchConfigurationsResult>LaunchConfigurations>member"`
NextToken string `xml:"DescribeLaunchConfigurationsResult>NextToken"`
RequestId string `xml:"ResponseMetadata>RequestId"`
}
// DescribeLaunchConfigurations returns details about the launch configurations supplied in
// the list. If the list is nil, information is returned about all launch configurations in the
// region.
//
// See http://goo.gl/y31YYE for more details.
func (as *AutoScaling) DescribeLaunchConfigurations(names []string, maxRecords int, nextToken string) (
resp *DescribeLaunchConfigurationsResp, err error) {
params := makeParams("DescribeLaunchConfigurations")
if maxRecords != 0 {
params["MaxRecords"] = strconv.Itoa(maxRecords)
}
if nextToken != "" {
params["NextToken"] = nextToken
}
if len(names) > 0 {
addParamsList(params, "LaunchConfigurationNames.member", names)
}
resp = new(DescribeLaunchConfigurationsResp)
if err := as.query(params, resp); err != nil {
return nil, err
}
return resp, nil
}
// DescribeLifecycleHookTypesResult wraps a DescribeLifecycleHookTypes response
//
// See http://goo.gl/qiAH31 for more details.
type DescribeLifecycleHookTypesResult struct {
LifecycleHookTypes []string `xml:"DescribeLifecycleHookTypesResult>LifecycleHookTypes>member"`
RequestId string `xml:"ResponseMetadata>RequestId"`
}
// DescribeLifecycleHookTypes describes the available types of lifecycle hooks
//
// See http://goo.gl/E9IBtY for more information
func (as *AutoScaling) DescribeLifecycleHookTypes() (
resp *DescribeLifecycleHookTypesResult, err error) {
params := makeParams("DescribeLifecycleHookTypes")
resp = new(DescribeLifecycleHookTypesResult)
if err := as.query(params, resp); err != nil {
return nil, err
}
return resp, nil
}
// LifecycleHook represents a lifecyclehook object
//
// See http://goo.gl/j62Iqu for more information
type LifecycleHook struct {
AutoScalingGroupName string `xml:"AutoScalingGroupName"`
DefaultResult string `xml:"DefaultResult"`
GlobalTimeout int `xml:"GlobalTimeout"`
HeartbeatTimeout int `xml:"HeartbeatTimeout"`
LifecycleHookName string `xml:"LifecycleHookName"`
LifecycleTransition string `xml:"LifecycleTransition"`
NotificationMetadata string `xml:"NotificationMetadata"`
NotificationTargetARN string `xml:"NotificationTargetARN"`
RoleARN string `xml:"RoleARN"`
}
// DescribeLifecycleHooks wraps a DescribeLifecycleHooks response
//
// See http://goo.gl/wQkWiz for more details.
type DescribeLifecycleHooksResult struct {
LifecycleHooks []string `xml:"DescribeLifecycleHooksResult>LifecycleHooks>member"`
RequestId string `xml:"ResponseMetadata>RequestId"`
}
// DescribeLifecycleHooks describes the lifecycle hooks that currently belong to the specified Auto Scaling group
//
// See http://goo.gl/wQkWiz for more information
func (as *AutoScaling) DescribeLifecycleHooks(asgName string, hookNames []string) (
resp *DescribeLifecycleHooksResult, err error) {
params := makeParams("DescribeLifecycleHooks")
params["AutoScalingGroupName"] = asgName
if len(hookNames) > 0 {
addParamsList(params, "LifecycleHookNames.member", hookNames)
}
resp = new(DescribeLifecycleHooksResult)
if err := as.query(params, resp); err != nil {
return nil, err
}
return resp, nil
}
// MetricGranularity encapsulates the MetricGranularityType
//
// See http://goo.gl/WJ82AA for more details
type MetricGranularity struct {
Granularity string `xml:"Granularity"`
}
//MetricCollection encapsulates the MetricCollectionType
//
// See http://goo.gl/YrEG6h for more details
type MetricCollection struct {
Metric string `xml:"Metric"`
}
// DescribeMetricCollectionTypesResp response wrapper
//
// See http://goo.gl/UyYc3i for more details.
type DescribeMetricCollectionTypesResp struct {
Granularities []MetricGranularity `xml:"DescribeMetricCollectionTypesResult>Granularities>member"`
Metrics []MetricCollection `xml:"DescribeMetricCollectionTypesResult>Metrics>member"`
RequestId string `xml:"ResponseMetadata>RequestId"`
}
// DescribeMetricCollectionTypes returns a list of metrics and a corresponding list of granularities for each metric
//
// See http://goo.gl/UyYc3i for more details.
func (as *AutoScaling) DescribeMetricCollectionTypes() (resp *DescribeMetricCollectionTypesResp, err error) {
params := makeParams("DescribeMetricCollectionTypes")
resp = new(DescribeMetricCollectionTypesResp)
if err := as.query(params, resp); err != nil {
return nil, err
}
return resp, nil
}
// NotificationConfiguration encapsulates the NotificationConfigurationType
//
// See http://goo.gl/M8xYOQ for more details
type NotificationConfiguration struct {
AutoScalingGroupName string `xml:"AutoScalingGroupName"`
NotificationType string `xml:"NotificationType"`
TopicARN string `xml:"TopicARN"`
}
// DescribeNotificationConfigurations response wrapper
//
// See http://goo.gl/qiAH31 for more details.
type DescribeNotificationConfigurationsResp struct {
NotificationConfigurations []NotificationConfiguration `xml:"DescribeNotificationConfigurationsResult>NotificationConfigurations>member"`
NextToken string `xml:"DescribeNotificationConfigurationsResult>NextToken"`
RequestId string `xml:"ResponseMetadata>RequestId"`
}
// DescribeNotificationConfigurations returns a list of notification actions associated with Auto Scaling groups for specified events.
// Supports pagination by using the returned "NextToken" parameter for subsequent calls
//
// http://goo.gl/qiAH31 for more details.
func (as *AutoScaling) DescribeNotificationConfigurations(asgNames []string, maxRecords int, nextToken string) (
resp *DescribeNotificationConfigurationsResp, err error) {
params := makeParams("DescribeNotificationConfigurations")
if maxRecords != 0 {
params["MaxRecords"] = strconv.Itoa(maxRecords)
}
if nextToken != "" {
params["NextToken"] = nextToken
}
if len(asgNames) > 0 {
addParamsList(params, "AutoScalingGroupNames.member", asgNames)