summaryrefslogtreecommitdiff
path: root/scripts/trigger-build
blob: 5af45ec09f2a0c2046a19aaf777d6c7e865c7ae6 (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
#!/usr/bin/env ruby
# frozen_string_literal: true

require 'gitlab'

module Trigger
  def self.ee?
    # Support former project name for `dev`
    %w[gitlab gitlab-ee].include?(ENV['CI_PROJECT_NAME'])
  end

  def self.security?
    %r{\Agitlab-org/security(\z|/)}.match?(ENV['CI_PROJECT_NAMESPACE'])
  end

  def self.non_empty_variable_value(variable)
    variable_value = ENV[variable]

    return if variable_value.nil? || variable_value.empty?

    variable_value
  end

  class Base
    # Can be overridden
    def self.access_token
      ENV['GITLAB_BOT_MULTI_PROJECT_PIPELINE_POLLING_TOKEN']
    end

    def invoke!(post_comment: false, downstream_job_name: nil)
      pipeline_variables = variables

      puts "Triggering downstream pipeline on #{downstream_project_path}"
      puts "with variables #{pipeline_variables}"

      pipeline = gitlab_client(:downstream).run_trigger(
        downstream_project_path,
        trigger_token,
        ref,
        pipeline_variables)

      puts "Triggered downstream pipeline: #{pipeline.web_url}\n"
      puts "Waiting for downstream pipeline status"

      Trigger::CommitComment.post!(pipeline, gitlab_client(:upstream)) if post_comment
      downstream_job =
        if downstream_job_name
          gitlab_client(:downstream).pipeline_jobs(downstream_project_path, pipeline.id).auto_paginate.find do |potential_job|
            potential_job.name == downstream_job_name
          end
        end

      if downstream_job
        Trigger::Job.new(downstream_project_path, downstream_job.id, gitlab_client(:downstream))
      else
        Trigger::Pipeline.new(downstream_project_path, pipeline.id, gitlab_client(:downstream))
      end
    end

    private

    # Override to trigger and work with pipeline on different GitLab instance
    # type: :downstream -> downstream build and pipeline status
    # type: :upstream -> this project, e.g. for posting comments
    def gitlab_client(type)
      # By default, always use the same client
      @gitlab_client ||= Gitlab.client(
        endpoint: 'https://gitlab.com/api/v4',
        private_token: self.class.access_token
      )
    end

    # Must be overridden
    def downstream_project_path
      raise NotImplementedError
    end

    # Must be overridden
    def ref
      raise NotImplementedError
    end

    # Can be overridden
    def trigger_token
      ENV['CI_JOB_TOKEN']
    end

    # Can be overridden
    def extra_variables
      {}
    end

    # Can be overridden
    def version_param_value(version_file)
      ENV[version_file]&.strip || File.read(version_file).strip
    end

    def variables
      base_variables.merge(extra_variables).merge(version_file_variables)
    end

    def base_variables
      # Use CI_MERGE_REQUEST_SOURCE_BRANCH_SHA for omnibus checkouts due to pipeline for merged results,
      # and fallback to CI_COMMIT_SHA for the `detached` pipelines.
      {
        'GITLAB_REF_SLUG' => ENV['CI_COMMIT_TAG'] ? ENV['CI_COMMIT_REF_NAME'] : ENV['CI_COMMIT_REF_SLUG'],
        'TRIGGERED_USER' => ENV['TRIGGERED_USER'] || ENV['GITLAB_USER_NAME'],
        'TRIGGER_SOURCE' => ENV['CI_JOB_URL'],
        'TOP_UPSTREAM_SOURCE_PROJECT' => ENV['CI_PROJECT_PATH'],
        'TOP_UPSTREAM_SOURCE_JOB' => ENV['CI_JOB_URL'],
        'TOP_UPSTREAM_SOURCE_SHA' => Trigger.non_empty_variable_value('CI_MERGE_REQUEST_SOURCE_BRANCH_SHA') || ENV['CI_COMMIT_SHA'],
        'TOP_UPSTREAM_SOURCE_REF' => ENV['CI_COMMIT_REF_NAME'],
        'TOP_UPSTREAM_MERGE_REQUEST_PROJECT_ID' => ENV['CI_MERGE_REQUEST_PROJECT_ID'],
        'TOP_UPSTREAM_MERGE_REQUEST_IID' => ENV['CI_MERGE_REQUEST_IID']
      }
    end

    # Read version files from all components
    def version_file_variables
      Dir.glob("*_VERSION").each_with_object({}) do |version_file, params|
        params[version_file] = version_param_value(version_file)
      end
    end
  end

  class Omnibus < Base
    def self.access_token
      # Default to "Multi-pipeline (from 'gitlab-org/gitlab' 'package-and-qa' job)" at https://gitlab.com/gitlab-org/build/omnibus-gitlab-mirror/-/settings/access_tokens
      ENV['OMNIBUS_GITLAB_PROJECT_ACCESS_TOKEN'] || super
    end

    private

    def downstream_project_path
      ENV.fetch('OMNIBUS_PROJECT_PATH', 'gitlab-org/build/omnibus-gitlab-mirror')
    end

    def ref
      ENV.fetch('OMNIBUS_BRANCH', 'master')
    end

    def extra_variables
      # Use CI_MERGE_REQUEST_SOURCE_BRANCH_SHA (MR HEAD commit) so that the image is in sync with the assets and QA images.
      # See https://docs.gitlab.com/ee/development/testing_guide/end_to_end/index.html#with-pipeline-for-merged-results.
      # We also set IMAGE_TAG so the GitLab Docker image is tagged with that SHA.
      source_sha = Trigger.non_empty_variable_value('CI_MERGE_REQUEST_SOURCE_BRANCH_SHA') || ENV['CI_COMMIT_SHA']

      {
        'GITLAB_VERSION' => source_sha,
        'IMAGE_TAG' => source_sha,
        'QA_IMAGE' => ENV['QA_IMAGE'],
        'SKIP_QA_DOCKER' => 'true',
        'ALTERNATIVE_SOURCES' => 'true',
        'SECURITY_SOURCES' => Trigger.security? ? 'true' : 'false',
        'ee' => Trigger.ee? ? 'true' : 'false',
        'QA_BRANCH' => ENV['QA_BRANCH'] || 'master',
        'CACHE_UPDATE' => ENV['OMNIBUS_GITLAB_CACHE_UPDATE']
      }
    end
  end

  class CNG < Base
    def self.access_token
      # Default to "Multi-pipeline (from 'gitlab-org/gitlab' 'cloud-native-image' job)" at https://gitlab.com/gitlab-org/build/CNG/-/settings/access_tokens
      ENV['CNG_PROJECT_ACCESS_TOKEN'] || super
    end

    private

    def downstream_project_path
      ENV.fetch('CNG_PROJECT_PATH', 'gitlab-org/build/CNG')
    end

    def ref
      return ENV['CI_COMMIT_REF_NAME'] if ENV['CI_COMMIT_REF_NAME'] =~ /^[\d-]+-stable(-ee)?$/

      ENV.fetch('CNG_BRANCH', 'master')
    end

    def extra_variables
      edition = Trigger.ee? ? 'EE' : 'CE'
      # Use CI_MERGE_REQUEST_SOURCE_BRANCH_SHA (MR HEAD commit) so that the image is in sync with the assets and QA images.
      source_sha = Trigger.non_empty_variable_value('CI_MERGE_REQUEST_SOURCE_BRANCH_SHA') || ENV['CI_COMMIT_SHA']

      {
        "ee" => Trigger.ee? ? "true" : "false",
        "GITLAB_VERSION" => source_sha,
        "GITLAB_TAG" => ENV['CI_COMMIT_TAG'],
        "GITLAB_ASSETS_TAG" => ENV['CI_COMMIT_TAG'] ? ENV['CI_COMMIT_REF_NAME'] : source_sha,
        "FORCE_RAILS_IMAGE_BUILDS" => 'true',
        "#{edition}_PIPELINE" => 'true'
      }
    end

    def version_param_value(_version_file)
      raw_version = super

      # if the version matches semver format, treat it as a tag and prepend `v`
      if raw_version =~ Regexp.compile(/^\d+\.\d+\.\d+(-rc\d+)?(-ee)?$/)
        "v#{raw_version}"
      else
        raw_version
      end
    end
  end

  class Docs < Base
    def self.access_token
      # Default to "DOCS_PROJECT_API_TOKEN" at https://gitlab.com/gitlab-org/gitlab-docs/-/settings/access_tokens
      ENV['DOCS_PROJECT_API_TOKEN'] || super
    end

    SUCCESS_MESSAGE = <<~MSG
    => You should now be able to preview your changes under the following URL:

    %<app_url>s

    => For more information, see the documentation
    => https://docs.gitlab.com/ee/development/documentation/index.html#previewing-the-changes-live

    => If something doesn't work, drop a line in the #docs chat channel.
    MSG

    def deploy!
      invoke!.wait!
      display_success_message
    end

    #
    # Remove a remote branch in gitlab-docs.
    #
    def cleanup!
      environment = gitlab_client(:downstream).environments(downstream_project_path, name: downstream_environment).first
      return unless environment

      environment = gitlab_client(:downstream).stop_environment(downstream_project_path, environment.id)
      if environment.state == 'stopped'
        puts "=> Downstream environment '#{downstream_environment}' stopped"
      else
        puts "=> Downstream environment '#{downstream_environment}' failed to stop."
      end
    end

    private

    def downstream_environment
      "review/#{ref}#{review_slug}"
    end

    # We prepend the `-` here because we cannot use variable substitution in `environment.name`/`environment.url`
    # Some projects (e.g. `omnibus-gitlab`) use this script for branch pipelines, so we fallback to using `CI_COMMIT_REF_SLUG` for those cases.
    def review_slug
      identifier = ENV['CI_MERGE_REQUEST_IID'] || ENV['CI_COMMIT_REF_SLUG']

      "-#{project_slug}-#{identifier}"
    end

    def downstream_project_path
      ENV.fetch('DOCS_PROJECT_PATH', 'gitlab-org/gitlab-docs')
    end

    def ref
      ENV.fetch('DOCS_BRANCH', 'main')
    end

    # `gitlab-org/gitlab-docs` pipeline trigger "Triggered from gitlab-org/gitlab 'review-docs-deploy' job"
    def trigger_token
      ENV['DOCS_TRIGGER_TOKEN']
    end

    def extra_variables
      {
        "BRANCH_#{project_slug.upcase}" => ENV['CI_COMMIT_REF_NAME'],
        "REVIEW_SLUG" => review_slug
      }
    end

    def project_slug
      case ENV['CI_PROJECT_PATH']
      when 'gitlab-org/gitlab-foss'
        'ce'
      when 'gitlab-org/gitlab'
        'ee'
      when 'gitlab-org/gitlab-runner'
        'runner'
      when 'gitlab-org/omnibus-gitlab'
        'omnibus'
      when 'gitlab-org/charts/gitlab'
        'charts'
      end
    end

    # app_url is the URL of the `gitlab-docs` Review App URL defined in
    # https://gitlab.com/gitlab-org/gitlab-docs/-/blob/b38038132cf82a24271bbb294dead7c2f529e275/.gitlab-ci.yml#L383
    def app_url
      "http://#{ref}#{review_slug}.#{ENV['DOCS_REVIEW_APPS_DOMAIN']}/#{project_slug}"
    end

    def display_success_message
      puts format(SUCCESS_MESSAGE, app_url: app_url)
    end
  end

  class DatabaseTesting < Base
    IDENTIFIABLE_NOTE_TAG = 'gitlab-org/database-team/gitlab-com-database-testing:identifiable-note'

    def self.access_token
      ENV['GITLABCOM_DATABASE_TESTING_ACCESS_TOKEN']
    end

    def invoke!(post_comment: false, downstream_job_name: nil)
      pipeline = super
      gitlab = gitlab_client(:upstream)
      project_path = base_variables['TOP_UPSTREAM_SOURCE_PROJECT']
      merge_request_id = base_variables['TOP_UPSTREAM_MERGE_REQUEST_IID']
      comment = "<!-- #{IDENTIFIABLE_NOTE_TAG} --> \nStarted database testing [pipeline](https://ops.gitlab.net/#{downstream_project_path}/-/pipelines/#{pipeline.id}) " \
                "(limited access). This comment will be updated once the pipeline has finished running."

      # Look for an existing note
      db_testing_notes = gitlab.merge_request_notes(project_path, merge_request_id).auto_paginate.select do |note|
        note.body.include?(IDENTIFIABLE_NOTE_TAG)
      end

      if db_testing_notes.empty?
        # This is the first note
        note = gitlab.create_merge_request_note(project_path, merge_request_id, comment)

        puts "Posted comment to:\n"
        puts "https://gitlab.com/#{project_path}/-/merge_requests/#{merge_request_id}#note_#{note.id}"
      end
    end

    private

    def gitlab_client(type)
      @gitlab_clients ||= {
        downstream: Gitlab.client(
          endpoint: 'https://ops.gitlab.net/api/v4',
          private_token: self.class.access_token
        ),
        upstream: Gitlab.client(
          endpoint: 'https://gitlab.com/api/v4',
          private_token: Base.access_token
        )
      }

      @gitlab_clients[type]
    end

    def trigger_token
      ENV['GITLABCOM_DATABASE_TESTING_TRIGGER_TOKEN']
    end

    def downstream_project_path
      ENV.fetch('GITLABCOM_DATABASE_TESTING_PROJECT_PATH', 'gitlab-com/database-team/gitlab-com-database-testing')
    end

    def extra_variables
      {
        # Use CI_MERGE_REQUEST_SOURCE_BRANCH_SHA for omnibus checkouts due to pipeline for merged results
        # and fallback to CI_COMMIT_SHA for the `detached` pipelines.
        'GITLAB_COMMIT_SHA' => Trigger.non_empty_variable_value('CI_MERGE_REQUEST_SOURCE_BRANCH_SHA') || ENV['CI_COMMIT_SHA'],
        'TRIGGERED_USER_LOGIN' => ENV['GITLAB_USER_LOGIN']
      }
    end

    def ref
      ENV['GITLABCOM_DATABASE_TESTING_TRIGGER_REF'] || 'master'
    end
  end

  class CommitComment
    def self.post!(downstream_pipeline, gitlab_client)
      gitlab_client.create_commit_comment(
        ENV['CI_PROJECT_PATH'],
        Trigger.non_empty_variable_value('CI_MERGE_REQUEST_SOURCE_BRANCH_SHA') || ENV['CI_COMMIT_SHA'],
        "The [`#{ENV['CI_JOB_NAME']}`](#{ENV['CI_JOB_URL']}) job from pipeline #{ENV['CI_PIPELINE_URL']} triggered #{downstream_pipeline.web_url} downstream.")

    rescue Gitlab::Error::Error => error
      puts "Ignoring the following error: #{error}"
    end
  end

  class Pipeline
    INTERVAL = 60 # seconds
    MAX_DURATION = 3600 * 3 # 3 hours

    attr_reader :id

    def self.unscoped_class_name
      name.split('::').last
    end

    def self.gitlab_api_method_name
      unscoped_class_name.downcase
    end

    def initialize(project, id, gitlab_client)
      @project = project
      @id = id
      @gitlab_client = gitlab_client
      @start_time = Time.now.to_i
    end

    def wait!
      (MAX_DURATION / INTERVAL).times do
        case status
        when :created, :pending, :running
          print "."
          sleep INTERVAL
        when :success
          puts "#{self.class.unscoped_class_name} succeeded in #{duration} minutes!"
          return
        else
          raise "#{self.class.unscoped_class_name} did not succeed!"
        end

        $stdout.flush
      end

      raise "#{self.class.unscoped_class_name} timed out after waiting for #{duration} minutes!"
    end

    def duration
      (Time.now.to_i - start_time) / 60
    end

    def status
      gitlab_client.public_send(self.class.gitlab_api_method_name, project, id).status.to_sym # rubocop:disable GitlabSecurity/PublicSend
    rescue Gitlab::Error::Error => error
      puts "Ignoring the following error: #{error}"
      # Ignore GitLab API hiccups. If GitLab is really down, we'll hit the job
      # timeout anyway.
      :running
    end

    private

    attr_reader :project, :gitlab_client, :start_time
  end

  Job = Class.new(Pipeline)
end

case ARGV[0]
when 'omnibus'
  Trigger::Omnibus.new.invoke!(post_comment: true, downstream_job_name: 'Trigger:qa-test').wait!
when 'cng'
  Trigger::CNG.new.invoke!.wait!
when 'gitlab-com-database-testing'
  Trigger::DatabaseTesting.new.invoke!
when 'docs'
  docs_trigger = Trigger::Docs.new

  case ARGV[1]
  when 'deploy'
    docs_trigger.deploy!
  when 'cleanup'
    docs_trigger.cleanup!
  else
    puts 'usage: trigger-build docs <deploy|cleanup>'
    exit 1
  end
else
  puts "Please provide a valid option:
  omnibus - Triggers a pipeline that builds the omnibus-gitlab package
  cng - Triggers a pipeline that builds images used by the GitLab helm chart
  gitlab-com-database-testing - Triggers a pipeline that tests database changes on GitLab.com data"
end