summaryrefslogtreecommitdiff
path: root/spec/models/environment_spec.rb
blob: 1de95d881a7bc9603bc1c2f34da832c994a6834e (plain)
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
require 'spec_helper'

describe Environment do
  let(:project) { create(:project, :stubbed_repository) }
  subject(:environment) { create(:environment, project: project) }

  it { is_expected.to belong_to(:project) }
  it { is_expected.to have_many(:deployments) }

  it { is_expected.to delegate_method(:stop_action).to(:last_deployment) }
  it { is_expected.to delegate_method(:manual_actions).to(:last_deployment) }

  it { is_expected.to validate_presence_of(:name) }
  it { is_expected.to validate_uniqueness_of(:name).scoped_to(:project_id) }
  it { is_expected.to validate_length_of(:name).is_at_most(255) }

  it { is_expected.to validate_uniqueness_of(:slug).scoped_to(:project_id) }
  it { is_expected.to validate_length_of(:slug).is_at_most(24) }

  it { is_expected.to validate_length_of(:external_url).is_at_most(255) }

  describe '.order_by_last_deployed_at' do
    let(:project) { create(:project, :repository) }
    let!(:environment1) { create(:environment, project: project) }
    let!(:environment2) { create(:environment, project: project) }
    let!(:environment3) { create(:environment, project: project) }
    let!(:deployment1) { create(:deployment, environment: environment1) }
    let!(:deployment2) { create(:deployment, environment: environment2) }
    let!(:deployment3) { create(:deployment, environment: environment1) }

    it 'returns the environments in order of having been last deployed' do
      expect(project.environments.order_by_last_deployed_at.to_a).to eq([environment3, environment2, environment1])
    end
  end

  describe 'state machine' do
    it 'invalidates the cache after a change' do
      expect(environment).to receive(:expire_etag_cache)

      environment.stop
    end
  end

  describe '#expire_etag_cache' do
    let(:store) { Gitlab::EtagCaching::Store.new }

    it 'changes the cached value' do
      old_value = store.get(environment.etag_cache_key)

      environment.stop

      expect(store.get(environment.etag_cache_key)).not_to eq(old_value)
    end
  end

  describe '#folder_name' do
    context 'when it is inside a folder' do
      subject(:environment) do
        create(:environment, name: 'staging/review-1')
      end

      it 'returns a top-level folder name' do
        expect(environment.folder_name).to eq 'staging'
      end
    end

    context 'when the environment if a top-level item itself' do
      subject(:environment) do
        create(:environment, name: 'production')
      end

      it 'returns an environment name' do
        expect(environment.folder_name).to eq 'production'
      end
    end
  end

  describe '#nullify_external_url' do
    it 'replaces a blank url with nil' do
      env = build(:environment, external_url: "")

      expect(env.save).to be true
      expect(env.external_url).to be_nil
    end
  end

  describe '#includes_commit?' do
    let(:project) { create(:project, :repository) }

    context 'without a last deployment' do
      it "returns false" do
        expect(environment.includes_commit?('HEAD')).to be false
      end
    end

    context 'with a last deployment' do
      let!(:deployment) do
        create(:deployment, environment: environment, sha: project.commit('master').id)
      end

      context 'in the same branch' do
        it 'returns true' do
          expect(environment.includes_commit?(RepoHelpers.sample_commit)).to be true
        end
      end

      context 'not in the same branch' do
        before do
          deployment.update(sha: project.commit('feature').id)
        end

        it 'returns false' do
          expect(environment.includes_commit?(RepoHelpers.sample_commit)).to be false
        end
      end
    end
  end

  describe '#update_merge_request_metrics?' do
    {
      'production' => true,
      'production/eu' => true,
      'production/www.gitlab.com' => true,
      'productioneu' => false,
      'Production' => false,
      'Production/eu' => false,
      'test-production' => false
    }.each do |name, expected_value|
      it "returns #{expected_value} for #{name}" do
        env = create(:environment, name: name)

        expect(env.update_merge_request_metrics?).to eq(expected_value)
      end
    end
  end

  describe '#first_deployment_for' do
    let(:project)       { create(:project, :repository) }
    let!(:deployment)   { create(:deployment, environment: environment, ref: commit.parent.id) }
    let!(:deployment1)  { create(:deployment, environment: environment, ref: commit.id) }
    let(:head_commit)   { project.commit }
    let(:commit)        { project.commit.parent }

    it 'returns deployment id for the environment' do
      expect(environment.first_deployment_for(commit.id)).to eq deployment1
    end

    it 'return nil when no deployment is found' do
      expect(environment.first_deployment_for(head_commit.id)).to eq nil
    end

    it 'returns a UTF-8 ref' do
      expect(environment.first_deployment_for(commit.id).ref).to be_utf8
    end
  end

  describe '#environment_type' do
    subject { environment.environment_type }

    it 'sets a environment type if name has multiple segments' do
      environment.update!(name: 'production/worker.gitlab.com')

      is_expected.to eq('production')
    end

    it 'nullifies a type if it\'s a simple name' do
      environment.update!(name: 'production')

      is_expected.to be_nil
    end
  end

  describe '#stop_action_available?' do
    subject { environment.stop_action_available? }

    context 'when no other actions' do
      it { is_expected.to be_falsey }
    end

    context 'when matching action is defined' do
      let(:build) { create(:ci_build) }

      let!(:deployment) do
        create(:deployment, environment: environment,
                            deployable: build,
                            on_stop: 'close_app')
      end

      let!(:close_action) do
        create(:ci_build, :manual, pipeline: build.pipeline,
                                   name: 'close_app')
      end

      context 'when environment is available' do
        before do
          environment.start
        end

        it { is_expected.to be_truthy }
      end

      context 'when environment is stopped' do
        before do
          environment.stop
        end

        it { is_expected.to be_falsey }
      end
    end
  end

  describe '#stop_with_action!' do
    let(:user) { create(:user) }

    subject { environment.stop_with_action!(user) }

    before do
      expect(environment).to receive(:available?).and_call_original
    end

    context 'when no other actions' do
      context 'environment is available' do
        before do
          environment.update(state: :available)
        end

        it do
          subject

          expect(environment).to be_stopped
        end
      end

      context 'environment is already stopped' do
        before do
          environment.update(state: :stopped)
        end

        it do
          subject

          expect(environment).to be_stopped
        end
      end
    end

    context 'when matching action is defined' do
      let(:pipeline) { create(:ci_pipeline, project: project) }
      let(:build) { create(:ci_build, pipeline: pipeline) }

      let!(:deployment) do
        create(:deployment, environment: environment,
                            deployable: build,
                            on_stop: 'close_app')
      end

      context 'when user is not allowed to stop environment' do
        let!(:close_action) do
          create(:ci_build, :manual, pipeline: pipeline, name: 'close_app')
        end

        it 'raises an exception' do
          expect { subject }.to raise_error(Gitlab::Access::AccessDeniedError)
        end
      end

      context 'when user is allowed to stop environment' do
        before do
          project.add_developer(user)

          create(:protected_branch, :developers_can_merge,
                 name: 'master', project: project)
        end

        context 'when action did not yet finish' do
          let!(:close_action) do
            create(:ci_build, :manual, pipeline: pipeline, name: 'close_app')
          end

          it 'returns the same action' do
            expect(subject).to eq(close_action)
            expect(subject.user).to eq(user)
          end
        end

        context 'if action did finish' do
          let!(:close_action) do
            create(:ci_build, :manual, :success,
                   pipeline: pipeline, name: 'close_app')
          end

          it 'returns a new action of the same type' do
            expect(subject).to be_persisted
            expect(subject.name).to eq(close_action.name)
            expect(subject.user).to eq(user)
          end
        end
      end
    end
  end

  describe 'recently_updated_on_branch?' do
    subject { environment.recently_updated_on_branch?('feature') }

    context 'when last deployment to environment is the most recent one' do
      before do
        create(:deployment, environment: environment, ref: 'feature')
      end

      it { is_expected.to be true }
    end

    context 'when last deployment to environment is not the most recent' do
      before do
        create(:deployment, environment: environment, ref: 'feature')
        create(:deployment, environment: environment, ref: 'master')
      end

      it { is_expected.to be false }
    end
  end

  describe '#actions_for' do
    let(:deployment) { create(:deployment, environment: environment) }
    let(:pipeline) { deployment.deployable.pipeline }
    let!(:review_action) { create(:ci_build, :manual, name: 'review-apps', pipeline: pipeline, environment: 'review/$CI_COMMIT_REF_NAME' )}
    let!(:production_action) { create(:ci_build, :manual, name: 'production', pipeline: pipeline, environment: 'production' )}

    it 'returns a list of actions with matching environment' do
      expect(environment.actions_for('review/master')).to contain_exactly(review_action)
    end
  end

  describe '#has_terminals?' do
    subject { environment.has_terminals? }

    context 'when the environment is available' do
      context 'with a deployment service' do
        shared_examples 'same behavior between KubernetesService and Platform::Kubernetes' do
          context 'and a deployment' do
            let!(:deployment) { create(:deployment, environment: environment) }
            it { is_expected.to be_truthy }
          end

          context 'but no deployments' do
            it { is_expected.to be_falsy }
          end
        end

        context 'when user configured kubernetes from Integration > Kubernetes' do
          let(:project) { create(:kubernetes_project) }

          it_behaves_like 'same behavior between KubernetesService and Platform::Kubernetes'
        end

        context 'when user configured kubernetes from CI/CD > Clusters' do
          let!(:cluster) { create(:cluster, :project, :provided_by_gcp) }
          let(:project) { cluster.project }

          it_behaves_like 'same behavior between KubernetesService and Platform::Kubernetes'
        end
      end

      context 'without a deployment service' do
        it { is_expected.to be_falsy }
      end
    end

    context 'when the environment is unavailable' do
      let(:project) { create(:kubernetes_project) }

      before do
        environment.stop
      end

      it { is_expected.to be_falsy }
    end
  end

  describe '#deployment_platform' do
    context 'when there is a deployment platform for environment' do
      let!(:cluster) do
        create(:cluster, :provided_by_gcp,
               environment_scope: '*', projects: [project])
      end

      it 'finds a deployment platform' do
        expect(environment.deployment_platform).to eq cluster.platform
      end
    end

    context 'when there is no deployment platform for environment' do
      it 'returns nil' do
        expect(environment.deployment_platform).to be_nil
      end
    end

    it 'checks deployment platforms associated with a project' do
      expect(project).to receive(:deployment_platform)
        .with(environment: environment.name)

      environment.deployment_platform
    end
  end

  describe '#terminals' do
    subject { environment.terminals }

    context 'when the environment has terminals' do
      before do
        allow(environment).to receive(:has_terminals?).and_return(true)
      end

      shared_examples 'same behavior between KubernetesService and Platform::Kubernetes' do
        it 'returns the terminals from the deployment service' do
          expect(project.deployment_platform)
            .to receive(:terminals).with(environment)
            .and_return(:fake_terminals)

          is_expected.to eq(:fake_terminals)
        end
      end

      context 'when user configured kubernetes from Integration > Kubernetes' do
        let(:project) { create(:kubernetes_project) }

        it_behaves_like 'same behavior between KubernetesService and Platform::Kubernetes'
      end

      context 'when user configured kubernetes from CI/CD > Clusters' do
        let!(:cluster) { create(:cluster, :project, :provided_by_gcp) }
        let(:project) { cluster.project }

        it_behaves_like 'same behavior between KubernetesService and Platform::Kubernetes'
      end
    end

    context 'when the environment does not have terminals' do
      before do
        allow(environment).to receive(:has_terminals?).and_return(false)
      end

      it { is_expected.to be_nil }
    end
  end

  describe '#has_metrics?' do
    subject { environment.has_metrics? }

    context 'when the environment is available' do
      context 'with a deployment service' do
        let(:project) { create(:prometheus_project) }

        context 'and a deployment' do
          let!(:deployment) { create(:deployment, environment: environment) }
          it { is_expected.to be_truthy }
        end

        context 'and no deployments' do
          it { is_expected.to be_truthy }
        end
      end

      context 'without a monitoring service' do
        it { is_expected.to be_falsy }
      end
    end

    context 'when the environment is unavailable' do
      let(:project) { create(:prometheus_project) }

      before do
        environment.stop
      end

      it { is_expected.to be_falsy }
    end
  end

  describe '#metrics' do
    let(:project) { create(:prometheus_project) }
    subject { environment.metrics }

    context 'when the environment has metrics' do
      before do
        allow(environment).to receive(:has_metrics?).and_return(true)
      end

      it 'returns the metrics from the deployment service' do
        expect(environment.prometheus_adapter)
          .to receive(:query).with(:environment, environment)
          .and_return(:fake_metrics)

        is_expected.to eq(:fake_metrics)
      end
    end

    context 'when the environment does not have metrics' do
      before do
        allow(environment).to receive(:has_metrics?).and_return(false)
      end

      it { is_expected.to be_nil }
    end
  end

  describe '#additional_metrics' do
    let(:project) { create(:prometheus_project) }
    subject { environment.additional_metrics }

    context 'when the environment has additional metrics' do
      before do
        allow(environment).to receive(:has_metrics?).and_return(true)
      end

      it 'returns the additional metrics from the deployment service' do
        expect(environment.prometheus_adapter).to receive(:query)
                                                .with(:additional_metrics_environment, environment)
                                                .and_return(:fake_metrics)

        is_expected.to eq(:fake_metrics)
      end
    end

    context 'when the environment does not have metrics' do
      before do
        allow(environment).to receive(:has_metrics?).and_return(false)
      end

      it { is_expected.to be_nil }
    end
  end

  describe '#slug' do
    it "is automatically generated" do
      expect(environment.slug).not_to be_nil
    end

    it "is not regenerated if name changes" do
      original_slug = environment.slug
      environment.update!(name: environment.name.reverse)

      expect(environment.slug).to eq(original_slug)
    end

    it "regenerates the slug if nil" do
      environment = build(:environment, slug: nil)

      new_slug = environment.slug

      expect(new_slug).not_to be_nil
      expect(environment.slug).to eq(new_slug)
    end
  end

  describe '#generate_slug' do
    SUFFIX = "-[a-z0-9]{6}".freeze
    {
      "staging-12345678901234567" => "staging-123456789" + SUFFIX,
      "9-staging-123456789012345" => "env-9-staging-123" + SUFFIX,
      "staging-1234567890123456"  => "staging-1234567890123456",
      "production"                => "production",
      "PRODUCTION"                => "production" + SUFFIX,
      "review/1-foo"              => "review-1-foo" + SUFFIX,
      "1-foo"                     => "env-1-foo" + SUFFIX,
      "1/foo"                     => "env-1-foo" + SUFFIX,
      "foo-"                      => "foo" + SUFFIX,
      "foo--bar"                  => "foo-bar" + SUFFIX,
      "foo**bar"                  => "foo-bar" + SUFFIX,
      "*-foo"                     => "env-foo" + SUFFIX,
      "staging-12345678-"         => "staging-12345678" + SUFFIX,
      "staging-12345678-01234567" => "staging-12345678" + SUFFIX
    }.each do |name, matcher|
      it "returns a slug matching #{matcher}, given #{name}" do
        slug = described_class.new(name: name).generate_slug

        expect(slug).to match(/\A#{matcher}\z/)
      end
    end
  end

  describe '#ref_path' do
    subject(:environment) do
      create(:environment, name: 'staging / review-1')
    end

    it 'returns a path that uses the slug and does not have spaces' do
      expect(environment.ref_path).to start_with('refs/environments/staging-review-1-')
    end

    it "doesn't change when the slug is nil initially" do
      environment.slug = nil

      expect(environment.ref_path).to eq(environment.ref_path)
    end
  end

  describe '#external_url_for' do
    let(:source_path) { 'source/file.html' }
    let(:sha) { RepoHelpers.sample_commit.id }

    before do
      environment.external_url = 'http://example.com'
    end

    context 'when the public path is not known' do
      before do
        allow(project).to receive(:public_path_for_source_path).with(source_path, sha).and_return(nil)
      end

      it 'returns nil' do
        expect(environment.external_url_for(source_path, sha)).to be_nil
      end
    end

    context 'when the public path is known' do
      before do
        allow(project).to receive(:public_path_for_source_path).with(source_path, sha).and_return('file.html')
      end

      it 'returns the full external URL' do
        expect(environment.external_url_for(source_path, sha)).to eq('http://example.com/file.html')
      end
    end
  end

  describe '#prometheus_adapter' do
    it 'calls prometheus adapter service' do
      expect_any_instance_of(Prometheus::AdapterService).to receive(:prometheus_adapter)

      subject.prometheus_adapter
    end
  end
end