-
Notifications
You must be signed in to change notification settings - Fork 7
/
ApplicationV15.ts
1107 lines (949 loc) · 24.9 KB
/
ApplicationV15.ts
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
/**
Juju Application version 15.
This facade is available on:
Controller-machine-agent
Machine-agent
Unit-agent
Models
NOTE: This file was generated using the Juju schema
from Juju 3.0 at the git SHA deb94d4.
Do not manually edit this file.
*/
import type { JujuRequest } from "../../../generator/interfaces.js";
import { ConnectionInfo, Transport } from "../../client.js";
import { Facade } from "../../types.js";
import { autoBind } from "../../utils.js";
export interface AddApplicationUnits {
application: string;
"attach-storage"?: string[];
"num-units": number;
placement: Placement[];
policy?: string;
}
export interface AddApplicationUnitsResults {
units: string[];
}
export interface AddRelation {
endpoints: string[];
"via-cidrs"?: string[];
}
export interface AddRelationResults {
endpoints: Record<string, CharmRelation>;
}
export interface ApplicationCharmRelations {
application: string;
}
export interface ApplicationCharmRelationsResults {
"charm-relations": string[];
}
export interface ApplicationConfigUnsetArgs {
Args: ApplicationUnset[];
}
export interface ApplicationConstraint {
constraints: Value;
error?: Error;
}
export interface ApplicationDeploy {
Force: boolean;
application: string;
"attach-storage"?: string[];
channel: string;
"charm-origin"?: CharmOrigin;
"charm-url": string;
config?: Record<string, string>;
"config-yaml": string;
constraints: Value;
devices?: Record<string, Constraints>;
"endpoint-bindings"?: Record<string, string>;
"num-units": number;
placement?: Placement[];
policy?: string;
resources?: Record<string, string>;
storage?: Record<string, Constraints>;
}
export interface ApplicationDestroy {
application: string;
}
export interface ApplicationExpose {
application: string;
"exposed-endpoints"?: Record<string, ExposedEndpoint>;
}
export interface ApplicationGet {
application: string;
branch: string;
}
export interface ApplicationGetArgs {
args: ApplicationGet[];
}
export interface ApplicationGetConfigResults {
Results: ConfigResult[];
}
export interface ApplicationGetConstraintsResults {
results: ApplicationConstraint[];
}
export interface ApplicationGetResults {
application: string;
"application-config"?: AdditionalProperties;
base: Base;
channel: string;
charm: string;
config: AdditionalProperties;
constraints: Value;
"endpoint-bindings"?: Record<string, string>;
}
export interface ApplicationInfoResult {
error?: Error;
result?: ApplicationResult;
}
export interface ApplicationInfoResults {
results: ApplicationInfoResult[];
}
export interface ApplicationMergeBindings {
"application-tag": string;
bindings: Record<string, string>;
force: boolean;
}
export interface ApplicationMergeBindingsArgs {
args: ApplicationMergeBindings[];
}
export interface ApplicationMetricCredential {
application: string;
"metrics-credentials": number[];
}
export interface ApplicationMetricCredentials {
creds: ApplicationMetricCredential[];
}
export interface ApplicationOfferDetails {
"application-description": string;
bindings?: Record<string, string>;
endpoints?: RemoteEndpoint[];
"offer-name": string;
"offer-url": string;
"offer-uuid": string;
"source-model-tag": string;
spaces?: RemoteSpace[];
users?: OfferUserDetails[];
}
export interface ApplicationResult {
base?: Base;
channel?: string;
charm?: string;
constraints?: Value;
"endpoint-bindings"?: Record<string, string>;
exposed: boolean;
"exposed-endpoints"?: Record<string, ExposedEndpoint>;
life: string;
principal: boolean;
remote: boolean;
tag: string;
}
export interface ApplicationSetCharm {
application: string;
channel: string;
"charm-origin"?: CharmOrigin;
"charm-url": string;
"config-settings"?: Record<string, string>;
"config-settings-yaml"?: string;
"endpoint-bindings"?: Record<string, string>;
force: boolean;
"force-base": boolean;
"force-units": boolean;
generation: string;
"resource-ids"?: Record<string, string>;
"storage-constraints"?: Record<string, StorageConstraints>;
}
export interface ApplicationUnexpose {
application: string;
"exposed-endpoints": string[];
}
export interface ApplicationUnset {
application: string;
branch: string;
options: string[];
}
export interface ApplicationsDeploy {
applications: ApplicationDeploy[];
}
export interface Base {
channel: string;
name: string;
}
export interface CharmOrigin {
architecture?: string;
base?: Base;
branch?: string;
hash?: string;
id: string;
"instance-key"?: string;
revision?: number;
risk?: string;
source: string;
track?: string;
type: string;
}
export interface CharmRelation {
interface: string;
limit: number;
name: string;
optional: boolean;
role: string;
scope: string;
}
export interface CharmURLOriginResult {
"charm-origin": CharmOrigin;
error?: Error;
url: string;
}
export interface ConfigResult {
config: AdditionalProperties;
error?: Error;
}
export interface ConfigSet {
application: string;
config: Record<string, string>;
"config-yaml": string;
generation: string;
}
export interface ConfigSetArgs {
Args: ConfigSet[];
}
export interface Constraints {
Count: number;
Pool: string;
Size: number;
}
export interface ConsumeApplicationArg {
ApplicationOfferDetails: ApplicationOfferDetails;
"application-alias"?: string;
"application-description": string;
bindings?: Record<string, string>;
endpoints?: RemoteEndpoint[];
"external-controller"?: ExternalControllerInfo;
macaroon?: Macaroon;
"offer-name": string;
"offer-url": string;
"offer-uuid": string;
"source-model-tag": string;
spaces?: RemoteSpace[];
users?: OfferUserDetails[];
}
export interface ConsumeApplicationArgs {
args?: ConsumeApplicationArg[];
}
export interface DestroyApplicationInfo {
"destroyed-storage"?: Entity[];
"destroyed-units"?: Entity[];
"detached-storage"?: Entity[];
}
export interface DestroyApplicationParams {
"application-tag": string;
"destroy-storage"?: boolean;
force: boolean;
"max-wait"?: number;
}
export interface DestroyApplicationResult {
error?: Error;
info?: DestroyApplicationInfo;
}
export interface DestroyApplicationResults {
results?: DestroyApplicationResult[];
}
export interface DestroyApplicationUnits {
"unit-names": string[];
}
export interface DestroyApplicationsParams {
applications: DestroyApplicationParams[];
}
export interface DestroyConsumedApplicationParams {
"application-tag": string;
force?: boolean;
"max-wait"?: number;
}
export interface DestroyConsumedApplicationsParams {
applications: DestroyConsumedApplicationParams[];
}
export interface DestroyRelation {
endpoints?: string[];
force?: boolean;
"max-wait"?: number;
"relation-id": number;
}
export interface DestroyUnitInfo {
"destroyed-storage"?: Entity[];
"detached-storage"?: Entity[];
}
export interface DestroyUnitParams {
"destroy-storage"?: boolean;
force: boolean;
"max-wait"?: number;
"unit-tag": string;
}
export interface DestroyUnitResult {
error?: Error;
info?: DestroyUnitInfo;
}
export interface DestroyUnitResults {
results?: DestroyUnitResult[];
}
export interface DestroyUnitsParams {
units: DestroyUnitParams[];
}
export interface EndpointRelationData {
ApplicationData: AdditionalProperties;
"cross-model": boolean;
endpoint: string;
"related-endpoint": string;
"relation-id": number;
"unit-relation-data": Record<string, RelationData>;
}
export interface Entities {
entities: Entity[];
}
export interface Entity {
tag: string;
}
export interface Error {
code: string;
info?: AdditionalProperties;
message: string;
}
export interface ErrorResult {
error?: Error;
}
export interface ErrorResults {
results: ErrorResult[];
}
export interface ExposedEndpoint {
"expose-to-cidrs"?: string[];
"expose-to-spaces"?: string[];
}
export interface ExternalControllerInfo {
addrs: string[];
"ca-cert": string;
"controller-alias": string;
"controller-tag": string;
}
export interface Macaroon {
[key: string]: AdditionalProperties;
}
export interface OfferUserDetails {
access: string;
"display-name": string;
user: string;
}
export interface Placement {
directive: string;
scope: string;
}
export interface RelationData {
InScope: boolean;
UnitData: AdditionalProperties;
}
export interface RelationSuspendedArg {
message: string;
"relation-id": number;
suspended: boolean;
}
export interface RelationSuspendedArgs {
args: RelationSuspendedArg[];
}
export interface RemoteEndpoint {
interface: string;
limit: number;
name: string;
role: string;
}
export interface RemoteSpace {
"cloud-type": string;
name: string;
"provider-attributes": AdditionalProperties;
"provider-id": string;
subnets: Subnet[];
}
export interface ScaleApplicationInfo {
"num-units": number;
}
export interface ScaleApplicationParams {
"application-tag": string;
force: boolean;
scale: number;
"scale-change"?: number;
}
export interface ScaleApplicationResult {
error?: Error;
info?: ScaleApplicationInfo;
}
export interface ScaleApplicationResults {
results?: ScaleApplicationResult[];
}
export interface ScaleApplicationsParams {
applications: ScaleApplicationParams[];
}
export interface SetConstraints {
application: string;
constraints: Value;
}
export interface StorageConstraints {
count?: number;
pool?: string;
size?: number;
}
export interface StringResult {
error?: Error;
result: string;
}
export interface Subnet {
cidr: string;
life: string;
"provider-id"?: string;
"provider-network-id"?: string;
"provider-space-id"?: string;
"space-tag": string;
status?: string;
"vlan-tag": number;
zones: string[];
}
export interface UnitInfoResult {
error?: Error;
result?: UnitResult;
}
export interface UnitInfoResults {
results: UnitInfoResult[];
}
export interface UnitResult {
address?: string;
charm: string;
leader?: boolean;
life?: string;
machine?: string;
"opened-ports": string[];
"provider-id"?: string;
"public-address"?: string;
"relation-data"?: EndpointRelationData[];
tag: string;
"workload-version": string;
}
export interface UnitsResolved {
all?: boolean;
retry?: boolean;
tags?: Entities;
}
export interface UpdateChannelArg {
channel: string;
force: boolean;
tag: Entity;
}
export interface UpdateChannelArgs {
args: UpdateChannelArg[];
}
export interface Value {
"allocate-public-ip"?: boolean;
arch?: string;
container?: string;
cores?: number;
"cpu-power"?: number;
"instance-role"?: string;
"instance-type"?: string;
mem?: number;
"root-disk"?: number;
"root-disk-source"?: string;
spaces?: string[];
tags?: string[];
"virt-type"?: string;
zones?: string[];
}
export interface AdditionalProperties {
[key: string]: any;
}
/**
APIv15 provides the Application API facade for version 15.
*/
class ApplicationV15 implements Facade {
static NAME = "Application";
static VERSION = 15;
NAME = "Application";
VERSION = 15;
_transport: Transport;
_info: ConnectionInfo;
constructor(transport: Transport, info: ConnectionInfo) {
this._transport = transport;
this._info = info;
// Automatically bind all methods to instances.
autoBind(this);
}
/**
AddRelation adds a relation between the specified endpoints and returns the relation info.
*/
addRelation(params: AddRelation): Promise<AddRelationResults> {
return new Promise((resolve, reject) => {
const req: JujuRequest = {
type: "Application",
request: "AddRelation",
version: 15,
params: params,
};
this._transport.write(req, resolve, reject);
});
}
/**
AddUnits adds a given number of units to an application.
*/
addUnits(params: AddApplicationUnits): Promise<AddApplicationUnitsResults> {
return new Promise((resolve, reject) => {
const req: JujuRequest = {
type: "Application",
request: "AddUnits",
version: 15,
params: params,
};
this._transport.write(req, resolve, reject);
});
}
/**
ApplicationsInfo returns applications information.
*/
applicationsInfo(params: Entities): Promise<ApplicationInfoResults> {
return new Promise((resolve, reject) => {
const req: JujuRequest = {
type: "Application",
request: "ApplicationsInfo",
version: 15,
params: params,
};
this._transport.write(req, resolve, reject);
});
}
/**
CharmConfig returns charm config for the input list of applications and
model generations.
*/
charmConfig(
params: ApplicationGetArgs
): Promise<ApplicationGetConfigResults> {
return new Promise((resolve, reject) => {
const req: JujuRequest = {
type: "Application",
request: "CharmConfig",
version: 15,
params: params,
};
this._transport.write(req, resolve, reject);
});
}
/**
CharmRelations implements the server side of Application.CharmRelations.
*/
charmRelations(
params: ApplicationCharmRelations
): Promise<ApplicationCharmRelationsResults> {
return new Promise((resolve, reject) => {
const req: JujuRequest = {
type: "Application",
request: "CharmRelations",
version: 15,
params: params,
};
this._transport.write(req, resolve, reject);
});
}
/**
Consume adds remote applications to the model without creating any
relations.
*/
consume(params: ConsumeApplicationArgs): Promise<ErrorResults> {
return new Promise((resolve, reject) => {
const req: JujuRequest = {
type: "Application",
request: "Consume",
version: 15,
params: params,
};
this._transport.write(req, resolve, reject);
});
}
/**
Deploy fetches the charms from the charm store and deploys them
using the specified placement directives.
*/
deploy(params: ApplicationsDeploy): Promise<ErrorResults> {
return new Promise((resolve, reject) => {
const req: JujuRequest = {
type: "Application",
request: "Deploy",
version: 15,
params: params,
};
this._transport.write(req, resolve, reject);
});
}
/**
Destroy destroys a given application, local or remote.
NOTE(axw) this exists only for backwards compatibility,
for API facade versions 1-3; clients should prefer its
successor, DestroyApplication, below. Until all consumers
have been updated, or we bump a major version, we can't
drop this.
TODO(axw) 2017-03-16 #1673323
Drop this in Juju 3.0.
*/
destroy(params: ApplicationDestroy): Promise<any> {
return new Promise((resolve, reject) => {
const req: JujuRequest = {
type: "Application",
request: "Destroy",
version: 15,
params: params,
};
this._transport.write(req, resolve, reject);
});
}
/**
DestroyApplication removes a given set of applications.
*/
destroyApplication(
params: DestroyApplicationsParams
): Promise<DestroyApplicationResults> {
return new Promise((resolve, reject) => {
const req: JujuRequest = {
type: "Application",
request: "DestroyApplication",
version: 15,
params: params,
};
this._transport.write(req, resolve, reject);
});
}
/**
DestroyConsumedApplications removes a given set of consumed (remote) applications.
*/
destroyConsumedApplications(
params: DestroyConsumedApplicationsParams
): Promise<ErrorResults> {
return new Promise((resolve, reject) => {
const req: JujuRequest = {
type: "Application",
request: "DestroyConsumedApplications",
version: 15,
params: params,
};
this._transport.write(req, resolve, reject);
});
}
/**
DestroyRelation removes the relation between the
specified endpoints or an id.
*/
destroyRelation(params: DestroyRelation): Promise<any> {
return new Promise((resolve, reject) => {
const req: JujuRequest = {
type: "Application",
request: "DestroyRelation",
version: 15,
params: params,
};
this._transport.write(req, resolve, reject);
});
}
/**
DestroyUnit removes a given set of application units.
*/
destroyUnit(params: DestroyUnitsParams): Promise<DestroyUnitResults> {
return new Promise((resolve, reject) => {
const req: JujuRequest = {
type: "Application",
request: "DestroyUnit",
version: 15,
params: params,
};
this._transport.write(req, resolve, reject);
});
}
/**
DestroyUnits removes a given set of application units.
NOTE(axw) this exists only for backwards compatibility,
for API facade versions 1-3; clients should prefer its
successor, DestroyUnit, below. Until all consumers have
been updated, or we bump a major version, we can't drop
this.
TODO(axw) 2017-03-16 #1673323
Drop this in Juju 3.0.
*/
destroyUnits(params: DestroyApplicationUnits): Promise<any> {
return new Promise((resolve, reject) => {
const req: JujuRequest = {
type: "Application",
request: "DestroyUnits",
version: 15,
params: params,
};
this._transport.write(req, resolve, reject);
});
}
/**
Expose changes the juju-managed firewall to expose any ports that
were also explicitly marked by units as open.
*/
expose(params: ApplicationExpose): Promise<any> {
return new Promise((resolve, reject) => {
const req: JujuRequest = {
type: "Application",
request: "Expose",
version: 15,
params: params,
};
this._transport.write(req, resolve, reject);
});
}
/**
Get returns the charm configuration for an application.
*/
get(params: ApplicationGet): Promise<ApplicationGetResults> {
return new Promise((resolve, reject) => {
const req: JujuRequest = {
type: "Application",
request: "Get",
version: 15,
params: params,
};
this._transport.write(req, resolve, reject);
});
}
/**
GetCharmURLOrigin returns the charm URL and charm origin the given
application is running at present.
*/
getCharmURLOrigin(params: ApplicationGet): Promise<CharmURLOriginResult> {
return new Promise((resolve, reject) => {
const req: JujuRequest = {
type: "Application",
request: "GetCharmURLOrigin",
version: 15,
params: params,
};
this._transport.write(req, resolve, reject);
});
}
/**
GetConfig returns the charm config for each of the input applications.
*/
getConfig(params: Entities): Promise<ApplicationGetConfigResults> {
return new Promise((resolve, reject) => {
const req: JujuRequest = {
type: "Application",
request: "GetConfig",
version: 15,
params: params,
};
this._transport.write(req, resolve, reject);
});
}
/**
GetConstraints returns the constraints for a given application.
*/
getConstraints(params: Entities): Promise<ApplicationGetConstraintsResults> {
return new Promise((resolve, reject) => {
const req: JujuRequest = {
type: "Application",
request: "GetConstraints",
version: 15,
params: params,
};
this._transport.write(req, resolve, reject);
});
}
/**
Leader returns the unit name of the leader for the given application.
*/
leader(params: Entity): Promise<StringResult> {
return new Promise((resolve, reject) => {
const req: JujuRequest = {
type: "Application",
request: "Leader",
version: 15,
params: params,
};
this._transport.write(req, resolve, reject);
});
}
/**
MergeBindings merges operator-defined bindings with the current bindings for
one or more applications.
*/
mergeBindings(params: ApplicationMergeBindingsArgs): Promise<ErrorResults> {
return new Promise((resolve, reject) => {
const req: JujuRequest = {
type: "Application",
request: "MergeBindings",
version: 15,
params: params,
};
this._transport.write(req, resolve, reject);
});
}
/**
ResolveUnitErrors marks errors on the specified units as resolved.
*/
resolveUnitErrors(params: UnitsResolved): Promise<ErrorResults> {
return new Promise((resolve, reject) => {
const req: JujuRequest = {
type: "Application",
request: "ResolveUnitErrors",
version: 15,
params: params,
};
this._transport.write(req, resolve, reject);
});
}
/**
ScaleApplications scales the specified application to the requested number of units.
*/
scaleApplications(
params: ScaleApplicationsParams
): Promise<ScaleApplicationResults> {
return new Promise((resolve, reject) => {
const req: JujuRequest = {
type: "Application",
request: "ScaleApplications",
version: 15,
params: params,
};
this._transport.write(req, resolve, reject);
});
}
/**
SetCharm sets the charm for a given for the application.
*/
setCharm(params: ApplicationSetCharm): Promise<any> {
return new Promise((resolve, reject) => {
const req: JujuRequest = {
type: "Application",
request: "SetCharm",
version: 15,
params: params,
};
this._transport.write(req, resolve, reject);
});
}
/**
SetConfigs implements the server side of Application.SetConfig. Both
application and charm config are set. It does not unset values in
Config map that are set to an empty string. Unset should be used for that.
*/
setConfigs(params: ConfigSetArgs): Promise<ErrorResults> {
return new Promise((resolve, reject) => {
const req: JujuRequest = {
type: "Application",
request: "SetConfigs",
version: 15,
params: params,
};
this._transport.write(req, resolve, reject);
});
}
/**
SetConstraints sets the constraints for a given application.
*/
setConstraints(params: SetConstraints): Promise<any> {
return new Promise((resolve, reject) => {
const req: JujuRequest = {
type: "Application",
request: "SetConstraints",
version: 15,
params: params,
};
this._transport.write(req, resolve, reject);
});