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Commit | Line | Data |
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bae9f6d2 JC |
1 | package plugin |
2 | ||
3 | import ( | |
4 | "net/rpc" | |
5 | ||
6 | "github.com/hashicorp/go-plugin" | |
7 | "github.com/hashicorp/terraform/terraform" | |
8 | ) | |
9 | ||
10 | // ResourceProviderPlugin is the plugin.Plugin implementation. | |
11 | type ResourceProviderPlugin struct { | |
107c1cdb | 12 | ResourceProvider func() terraform.ResourceProvider |
bae9f6d2 JC |
13 | } |
14 | ||
15 | func (p *ResourceProviderPlugin) Server(b *plugin.MuxBroker) (interface{}, error) { | |
107c1cdb ND |
16 | return &ResourceProviderServer{ |
17 | Broker: b, | |
18 | Provider: p.ResourceProvider(), | |
19 | }, nil | |
bae9f6d2 JC |
20 | } |
21 | ||
22 | func (p *ResourceProviderPlugin) Client( | |
23 | b *plugin.MuxBroker, c *rpc.Client) (interface{}, error) { | |
24 | return &ResourceProvider{Broker: b, Client: c}, nil | |
25 | } | |
26 | ||
27 | // ResourceProvider is an implementation of terraform.ResourceProvider | |
28 | // that communicates over RPC. | |
29 | type ResourceProvider struct { | |
30 | Broker *plugin.MuxBroker | |
31 | Client *rpc.Client | |
32 | } | |
33 | ||
34 | func (p *ResourceProvider) Stop() error { | |
35 | var resp ResourceProviderStopResponse | |
36 | err := p.Client.Call("Plugin.Stop", new(interface{}), &resp) | |
37 | if err != nil { | |
38 | return err | |
39 | } | |
40 | if resp.Error != nil { | |
41 | err = resp.Error | |
42 | } | |
43 | ||
44 | return err | |
45 | } | |
46 | ||
15c0b25d AP |
47 | func (p *ResourceProvider) GetSchema(req *terraform.ProviderSchemaRequest) (*terraform.ProviderSchema, error) { |
48 | var result ResourceProviderGetSchemaResponse | |
49 | args := &ResourceProviderGetSchemaArgs{ | |
50 | Req: req, | |
51 | } | |
52 | ||
53 | err := p.Client.Call("Plugin.GetSchema", args, &result) | |
54 | if err != nil { | |
55 | return nil, err | |
56 | } | |
57 | ||
58 | if result.Error != nil { | |
59 | err = result.Error | |
60 | } | |
61 | ||
62 | return result.Schema, err | |
63 | } | |
64 | ||
bae9f6d2 JC |
65 | func (p *ResourceProvider) Input( |
66 | input terraform.UIInput, | |
67 | c *terraform.ResourceConfig) (*terraform.ResourceConfig, error) { | |
68 | id := p.Broker.NextId() | |
69 | go p.Broker.AcceptAndServe(id, &UIInputServer{ | |
70 | UIInput: input, | |
71 | }) | |
72 | ||
73 | var resp ResourceProviderInputResponse | |
74 | args := ResourceProviderInputArgs{ | |
75 | InputId: id, | |
76 | Config: c, | |
77 | } | |
78 | ||
79 | err := p.Client.Call("Plugin.Input", &args, &resp) | |
80 | if err != nil { | |
81 | return nil, err | |
82 | } | |
83 | if resp.Error != nil { | |
84 | err = resp.Error | |
85 | return nil, err | |
86 | } | |
87 | ||
88 | return resp.Config, nil | |
89 | } | |
90 | ||
91 | func (p *ResourceProvider) Validate(c *terraform.ResourceConfig) ([]string, []error) { | |
92 | var resp ResourceProviderValidateResponse | |
93 | args := ResourceProviderValidateArgs{ | |
94 | Config: c, | |
95 | } | |
96 | ||
97 | err := p.Client.Call("Plugin.Validate", &args, &resp) | |
98 | if err != nil { | |
99 | return nil, []error{err} | |
100 | } | |
101 | ||
102 | var errs []error | |
103 | if len(resp.Errors) > 0 { | |
104 | errs = make([]error, len(resp.Errors)) | |
105 | for i, err := range resp.Errors { | |
106 | errs[i] = err | |
107 | } | |
108 | } | |
109 | ||
110 | return resp.Warnings, errs | |
111 | } | |
112 | ||
113 | func (p *ResourceProvider) ValidateResource( | |
114 | t string, c *terraform.ResourceConfig) ([]string, []error) { | |
115 | var resp ResourceProviderValidateResourceResponse | |
116 | args := ResourceProviderValidateResourceArgs{ | |
117 | Config: c, | |
118 | Type: t, | |
119 | } | |
120 | ||
121 | err := p.Client.Call("Plugin.ValidateResource", &args, &resp) | |
122 | if err != nil { | |
123 | return nil, []error{err} | |
124 | } | |
125 | ||
126 | var errs []error | |
127 | if len(resp.Errors) > 0 { | |
128 | errs = make([]error, len(resp.Errors)) | |
129 | for i, err := range resp.Errors { | |
130 | errs[i] = err | |
131 | } | |
132 | } | |
133 | ||
134 | return resp.Warnings, errs | |
135 | } | |
136 | ||
137 | func (p *ResourceProvider) Configure(c *terraform.ResourceConfig) error { | |
138 | var resp ResourceProviderConfigureResponse | |
139 | err := p.Client.Call("Plugin.Configure", c, &resp) | |
140 | if err != nil { | |
141 | return err | |
142 | } | |
143 | if resp.Error != nil { | |
144 | err = resp.Error | |
145 | } | |
146 | ||
147 | return err | |
148 | } | |
149 | ||
150 | func (p *ResourceProvider) Apply( | |
151 | info *terraform.InstanceInfo, | |
152 | s *terraform.InstanceState, | |
153 | d *terraform.InstanceDiff) (*terraform.InstanceState, error) { | |
154 | var resp ResourceProviderApplyResponse | |
155 | args := &ResourceProviderApplyArgs{ | |
156 | Info: info, | |
157 | State: s, | |
158 | Diff: d, | |
159 | } | |
160 | ||
161 | err := p.Client.Call("Plugin.Apply", args, &resp) | |
162 | if err != nil { | |
163 | return nil, err | |
164 | } | |
165 | if resp.Error != nil { | |
166 | err = resp.Error | |
167 | } | |
168 | ||
169 | return resp.State, err | |
170 | } | |
171 | ||
172 | func (p *ResourceProvider) Diff( | |
173 | info *terraform.InstanceInfo, | |
174 | s *terraform.InstanceState, | |
175 | c *terraform.ResourceConfig) (*terraform.InstanceDiff, error) { | |
176 | var resp ResourceProviderDiffResponse | |
177 | args := &ResourceProviderDiffArgs{ | |
178 | Info: info, | |
179 | State: s, | |
180 | Config: c, | |
181 | } | |
182 | err := p.Client.Call("Plugin.Diff", args, &resp) | |
183 | if err != nil { | |
184 | return nil, err | |
185 | } | |
186 | if resp.Error != nil { | |
187 | err = resp.Error | |
188 | } | |
189 | ||
190 | return resp.Diff, err | |
191 | } | |
192 | ||
193 | func (p *ResourceProvider) ValidateDataSource( | |
194 | t string, c *terraform.ResourceConfig) ([]string, []error) { | |
195 | var resp ResourceProviderValidateResourceResponse | |
196 | args := ResourceProviderValidateResourceArgs{ | |
197 | Config: c, | |
198 | Type: t, | |
199 | } | |
200 | ||
201 | err := p.Client.Call("Plugin.ValidateDataSource", &args, &resp) | |
202 | if err != nil { | |
203 | return nil, []error{err} | |
204 | } | |
205 | ||
206 | var errs []error | |
207 | if len(resp.Errors) > 0 { | |
208 | errs = make([]error, len(resp.Errors)) | |
209 | for i, err := range resp.Errors { | |
210 | errs[i] = err | |
211 | } | |
212 | } | |
213 | ||
214 | return resp.Warnings, errs | |
215 | } | |
216 | ||
217 | func (p *ResourceProvider) Refresh( | |
218 | info *terraform.InstanceInfo, | |
219 | s *terraform.InstanceState) (*terraform.InstanceState, error) { | |
220 | var resp ResourceProviderRefreshResponse | |
221 | args := &ResourceProviderRefreshArgs{ | |
222 | Info: info, | |
223 | State: s, | |
224 | } | |
225 | ||
226 | err := p.Client.Call("Plugin.Refresh", args, &resp) | |
227 | if err != nil { | |
228 | return nil, err | |
229 | } | |
230 | if resp.Error != nil { | |
231 | err = resp.Error | |
232 | } | |
233 | ||
234 | return resp.State, err | |
235 | } | |
236 | ||
237 | func (p *ResourceProvider) ImportState( | |
238 | info *terraform.InstanceInfo, | |
239 | id string) ([]*terraform.InstanceState, error) { | |
240 | var resp ResourceProviderImportStateResponse | |
241 | args := &ResourceProviderImportStateArgs{ | |
242 | Info: info, | |
243 | Id: id, | |
244 | } | |
245 | ||
246 | err := p.Client.Call("Plugin.ImportState", args, &resp) | |
247 | if err != nil { | |
248 | return nil, err | |
249 | } | |
250 | if resp.Error != nil { | |
251 | err = resp.Error | |
252 | } | |
253 | ||
254 | return resp.State, err | |
255 | } | |
256 | ||
257 | func (p *ResourceProvider) Resources() []terraform.ResourceType { | |
258 | var result []terraform.ResourceType | |
259 | ||
260 | err := p.Client.Call("Plugin.Resources", new(interface{}), &result) | |
261 | if err != nil { | |
262 | // TODO: panic, log, what? | |
263 | return nil | |
264 | } | |
265 | ||
266 | return result | |
267 | } | |
268 | ||
269 | func (p *ResourceProvider) ReadDataDiff( | |
270 | info *terraform.InstanceInfo, | |
271 | c *terraform.ResourceConfig) (*terraform.InstanceDiff, error) { | |
272 | var resp ResourceProviderReadDataDiffResponse | |
273 | args := &ResourceProviderReadDataDiffArgs{ | |
274 | Info: info, | |
275 | Config: c, | |
276 | } | |
277 | ||
278 | err := p.Client.Call("Plugin.ReadDataDiff", args, &resp) | |
279 | if err != nil { | |
280 | return nil, err | |
281 | } | |
282 | if resp.Error != nil { | |
283 | err = resp.Error | |
284 | } | |
285 | ||
286 | return resp.Diff, err | |
287 | } | |
288 | ||
289 | func (p *ResourceProvider) ReadDataApply( | |
290 | info *terraform.InstanceInfo, | |
291 | d *terraform.InstanceDiff) (*terraform.InstanceState, error) { | |
292 | var resp ResourceProviderReadDataApplyResponse | |
293 | args := &ResourceProviderReadDataApplyArgs{ | |
294 | Info: info, | |
295 | Diff: d, | |
296 | } | |
297 | ||
298 | err := p.Client.Call("Plugin.ReadDataApply", args, &resp) | |
299 | if err != nil { | |
300 | return nil, err | |
301 | } | |
302 | if resp.Error != nil { | |
303 | err = resp.Error | |
304 | } | |
305 | ||
306 | return resp.State, err | |
307 | } | |
308 | ||
309 | func (p *ResourceProvider) DataSources() []terraform.DataSource { | |
310 | var result []terraform.DataSource | |
311 | ||
312 | err := p.Client.Call("Plugin.DataSources", new(interface{}), &result) | |
313 | if err != nil { | |
314 | // TODO: panic, log, what? | |
315 | return nil | |
316 | } | |
317 | ||
318 | return result | |
319 | } | |
320 | ||
321 | func (p *ResourceProvider) Close() error { | |
322 | return p.Client.Close() | |
323 | } | |
324 | ||
325 | // ResourceProviderServer is a net/rpc compatible structure for serving | |
326 | // a ResourceProvider. This should not be used directly. | |
327 | type ResourceProviderServer struct { | |
328 | Broker *plugin.MuxBroker | |
329 | Provider terraform.ResourceProvider | |
330 | } | |
331 | ||
332 | type ResourceProviderStopResponse struct { | |
333 | Error *plugin.BasicError | |
334 | } | |
335 | ||
15c0b25d AP |
336 | type ResourceProviderGetSchemaArgs struct { |
337 | Req *terraform.ProviderSchemaRequest | |
338 | } | |
339 | ||
340 | type ResourceProviderGetSchemaResponse struct { | |
341 | Schema *terraform.ProviderSchema | |
342 | Error *plugin.BasicError | |
343 | } | |
344 | ||
bae9f6d2 JC |
345 | type ResourceProviderConfigureResponse struct { |
346 | Error *plugin.BasicError | |
347 | } | |
348 | ||
349 | type ResourceProviderInputArgs struct { | |
350 | InputId uint32 | |
351 | Config *terraform.ResourceConfig | |
352 | } | |
353 | ||
354 | type ResourceProviderInputResponse struct { | |
355 | Config *terraform.ResourceConfig | |
356 | Error *plugin.BasicError | |
357 | } | |
358 | ||
359 | type ResourceProviderApplyArgs struct { | |
360 | Info *terraform.InstanceInfo | |
361 | State *terraform.InstanceState | |
362 | Diff *terraform.InstanceDiff | |
363 | } | |
364 | ||
365 | type ResourceProviderApplyResponse struct { | |
366 | State *terraform.InstanceState | |
367 | Error *plugin.BasicError | |
368 | } | |
369 | ||
370 | type ResourceProviderDiffArgs struct { | |
371 | Info *terraform.InstanceInfo | |
372 | State *terraform.InstanceState | |
373 | Config *terraform.ResourceConfig | |
374 | } | |
375 | ||
376 | type ResourceProviderDiffResponse struct { | |
377 | Diff *terraform.InstanceDiff | |
378 | Error *plugin.BasicError | |
379 | } | |
380 | ||
381 | type ResourceProviderRefreshArgs struct { | |
382 | Info *terraform.InstanceInfo | |
383 | State *terraform.InstanceState | |
384 | } | |
385 | ||
386 | type ResourceProviderRefreshResponse struct { | |
387 | State *terraform.InstanceState | |
388 | Error *plugin.BasicError | |
389 | } | |
390 | ||
391 | type ResourceProviderImportStateArgs struct { | |
392 | Info *terraform.InstanceInfo | |
393 | Id string | |
394 | } | |
395 | ||
396 | type ResourceProviderImportStateResponse struct { | |
397 | State []*terraform.InstanceState | |
398 | Error *plugin.BasicError | |
399 | } | |
400 | ||
401 | type ResourceProviderReadDataApplyArgs struct { | |
402 | Info *terraform.InstanceInfo | |
403 | Diff *terraform.InstanceDiff | |
404 | } | |
405 | ||
406 | type ResourceProviderReadDataApplyResponse struct { | |
407 | State *terraform.InstanceState | |
408 | Error *plugin.BasicError | |
409 | } | |
410 | ||
411 | type ResourceProviderReadDataDiffArgs struct { | |
412 | Info *terraform.InstanceInfo | |
413 | Config *terraform.ResourceConfig | |
414 | } | |
415 | ||
416 | type ResourceProviderReadDataDiffResponse struct { | |
417 | Diff *terraform.InstanceDiff | |
418 | Error *plugin.BasicError | |
419 | } | |
420 | ||
421 | type ResourceProviderValidateArgs struct { | |
422 | Config *terraform.ResourceConfig | |
423 | } | |
424 | ||
425 | type ResourceProviderValidateResponse struct { | |
426 | Warnings []string | |
427 | Errors []*plugin.BasicError | |
428 | } | |
429 | ||
430 | type ResourceProviderValidateResourceArgs struct { | |
431 | Config *terraform.ResourceConfig | |
432 | Type string | |
433 | } | |
434 | ||
435 | type ResourceProviderValidateResourceResponse struct { | |
436 | Warnings []string | |
437 | Errors []*plugin.BasicError | |
438 | } | |
439 | ||
440 | func (s *ResourceProviderServer) Stop( | |
441 | _ interface{}, | |
442 | reply *ResourceProviderStopResponse) error { | |
443 | err := s.Provider.Stop() | |
444 | *reply = ResourceProviderStopResponse{ | |
445 | Error: plugin.NewBasicError(err), | |
446 | } | |
447 | ||
448 | return nil | |
449 | } | |
450 | ||
15c0b25d AP |
451 | func (s *ResourceProviderServer) GetSchema( |
452 | args *ResourceProviderGetSchemaArgs, | |
453 | result *ResourceProviderGetSchemaResponse, | |
454 | ) error { | |
455 | schema, err := s.Provider.GetSchema(args.Req) | |
456 | result.Schema = schema | |
457 | if err != nil { | |
458 | result.Error = plugin.NewBasicError(err) | |
459 | } | |
460 | return nil | |
461 | } | |
462 | ||
bae9f6d2 JC |
463 | func (s *ResourceProviderServer) Input( |
464 | args *ResourceProviderInputArgs, | |
465 | reply *ResourceProviderInputResponse) error { | |
466 | conn, err := s.Broker.Dial(args.InputId) | |
467 | if err != nil { | |
468 | *reply = ResourceProviderInputResponse{ | |
469 | Error: plugin.NewBasicError(err), | |
470 | } | |
471 | return nil | |
472 | } | |
473 | client := rpc.NewClient(conn) | |
474 | defer client.Close() | |
475 | ||
476 | input := &UIInput{Client: client} | |
477 | ||
478 | config, err := s.Provider.Input(input, args.Config) | |
479 | *reply = ResourceProviderInputResponse{ | |
480 | Config: config, | |
481 | Error: plugin.NewBasicError(err), | |
482 | } | |
483 | ||
484 | return nil | |
485 | } | |
486 | ||
487 | func (s *ResourceProviderServer) Validate( | |
488 | args *ResourceProviderValidateArgs, | |
489 | reply *ResourceProviderValidateResponse) error { | |
490 | warns, errs := s.Provider.Validate(args.Config) | |
491 | berrs := make([]*plugin.BasicError, len(errs)) | |
492 | for i, err := range errs { | |
493 | berrs[i] = plugin.NewBasicError(err) | |
494 | } | |
495 | *reply = ResourceProviderValidateResponse{ | |
496 | Warnings: warns, | |
497 | Errors: berrs, | |
498 | } | |
499 | return nil | |
500 | } | |
501 | ||
502 | func (s *ResourceProviderServer) ValidateResource( | |
503 | args *ResourceProviderValidateResourceArgs, | |
504 | reply *ResourceProviderValidateResourceResponse) error { | |
505 | warns, errs := s.Provider.ValidateResource(args.Type, args.Config) | |
506 | berrs := make([]*plugin.BasicError, len(errs)) | |
507 | for i, err := range errs { | |
508 | berrs[i] = plugin.NewBasicError(err) | |
509 | } | |
510 | *reply = ResourceProviderValidateResourceResponse{ | |
511 | Warnings: warns, | |
512 | Errors: berrs, | |
513 | } | |
514 | return nil | |
515 | } | |
516 | ||
517 | func (s *ResourceProviderServer) Configure( | |
518 | config *terraform.ResourceConfig, | |
519 | reply *ResourceProviderConfigureResponse) error { | |
520 | err := s.Provider.Configure(config) | |
521 | *reply = ResourceProviderConfigureResponse{ | |
522 | Error: plugin.NewBasicError(err), | |
523 | } | |
524 | return nil | |
525 | } | |
526 | ||
527 | func (s *ResourceProviderServer) Apply( | |
528 | args *ResourceProviderApplyArgs, | |
529 | result *ResourceProviderApplyResponse) error { | |
530 | state, err := s.Provider.Apply(args.Info, args.State, args.Diff) | |
531 | *result = ResourceProviderApplyResponse{ | |
532 | State: state, | |
533 | Error: plugin.NewBasicError(err), | |
534 | } | |
535 | return nil | |
536 | } | |
537 | ||
538 | func (s *ResourceProviderServer) Diff( | |
539 | args *ResourceProviderDiffArgs, | |
540 | result *ResourceProviderDiffResponse) error { | |
541 | diff, err := s.Provider.Diff(args.Info, args.State, args.Config) | |
542 | *result = ResourceProviderDiffResponse{ | |
543 | Diff: diff, | |
544 | Error: plugin.NewBasicError(err), | |
545 | } | |
546 | return nil | |
547 | } | |
548 | ||
549 | func (s *ResourceProviderServer) Refresh( | |
550 | args *ResourceProviderRefreshArgs, | |
551 | result *ResourceProviderRefreshResponse) error { | |
552 | newState, err := s.Provider.Refresh(args.Info, args.State) | |
553 | *result = ResourceProviderRefreshResponse{ | |
554 | State: newState, | |
555 | Error: plugin.NewBasicError(err), | |
556 | } | |
557 | return nil | |
558 | } | |
559 | ||
560 | func (s *ResourceProviderServer) ImportState( | |
561 | args *ResourceProviderImportStateArgs, | |
562 | result *ResourceProviderImportStateResponse) error { | |
563 | states, err := s.Provider.ImportState(args.Info, args.Id) | |
564 | *result = ResourceProviderImportStateResponse{ | |
565 | State: states, | |
566 | Error: plugin.NewBasicError(err), | |
567 | } | |
568 | return nil | |
569 | } | |
570 | ||
571 | func (s *ResourceProviderServer) Resources( | |
572 | nothing interface{}, | |
573 | result *[]terraform.ResourceType) error { | |
574 | *result = s.Provider.Resources() | |
575 | return nil | |
576 | } | |
577 | ||
578 | func (s *ResourceProviderServer) ValidateDataSource( | |
579 | args *ResourceProviderValidateResourceArgs, | |
580 | reply *ResourceProviderValidateResourceResponse) error { | |
581 | warns, errs := s.Provider.ValidateDataSource(args.Type, args.Config) | |
582 | berrs := make([]*plugin.BasicError, len(errs)) | |
583 | for i, err := range errs { | |
584 | berrs[i] = plugin.NewBasicError(err) | |
585 | } | |
586 | *reply = ResourceProviderValidateResourceResponse{ | |
587 | Warnings: warns, | |
588 | Errors: berrs, | |
589 | } | |
590 | return nil | |
591 | } | |
592 | ||
593 | func (s *ResourceProviderServer) ReadDataDiff( | |
594 | args *ResourceProviderReadDataDiffArgs, | |
595 | result *ResourceProviderReadDataDiffResponse) error { | |
596 | diff, err := s.Provider.ReadDataDiff(args.Info, args.Config) | |
597 | *result = ResourceProviderReadDataDiffResponse{ | |
598 | Diff: diff, | |
599 | Error: plugin.NewBasicError(err), | |
600 | } | |
601 | return nil | |
602 | } | |
603 | ||
604 | func (s *ResourceProviderServer) ReadDataApply( | |
605 | args *ResourceProviderReadDataApplyArgs, | |
606 | result *ResourceProviderReadDataApplyResponse) error { | |
607 | newState, err := s.Provider.ReadDataApply(args.Info, args.Diff) | |
608 | *result = ResourceProviderReadDataApplyResponse{ | |
609 | State: newState, | |
610 | Error: plugin.NewBasicError(err), | |
611 | } | |
612 | return nil | |
613 | } | |
614 | ||
615 | func (s *ResourceProviderServer) DataSources( | |
616 | nothing interface{}, | |
617 | result *[]terraform.DataSource) error { | |
618 | *result = s.Provider.DataSources() | |
619 | return nil | |
620 | } |