summaryrefslogtreecommitdiff
path: root/app/models/environment.rb
blob: f1de41674c6d6ea491016736c171758098e06599 (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
# frozen_string_literal: true

class Environment < ApplicationRecord
  include Gitlab::Utils::StrongMemoize
  include ReactiveCaching
  include FastDestroyAll::Helpers
  include Presentable
  include NullifyIfBlank
  include FromUnion

  self.reactive_cache_refresh_interval = 1.minute
  self.reactive_cache_lifetime = 55.seconds
  self.reactive_cache_hard_limit = 10.megabytes
  self.reactive_cache_work_type = :external_dependency

  belongs_to :project, optional: false
  belongs_to :merge_request, optional: true

  use_fast_destroy :all_deployments
  nullify_if_blank :external_url

  has_many :all_deployments, class_name: 'Deployment'
  has_many :deployments, -> { visible }
  has_many :successful_deployments, -> { success }, class_name: 'Deployment'
  has_many :active_deployments, -> { active }, class_name: 'Deployment'
  has_many :prometheus_alerts, inverse_of: :environment
  has_many :metrics_dashboard_annotations, class_name: 'Metrics::Dashboard::Annotation', inverse_of: :environment
  has_many :self_managed_prometheus_alert_events, inverse_of: :environment
  has_many :alert_management_alerts, class_name: 'AlertManagement::Alert', inverse_of: :environment

  # NOTE: If you preload multiple last deployments of environments, use Preloaders::Environments::DeploymentPreloader.
  has_one :last_deployment, -> { success.ordered }, class_name: 'Deployment', inverse_of: :environment
  has_one :last_visible_deployment, -> { visible.order(id: :desc) }, inverse_of: :environment, class_name: 'Deployment'
  has_one :upcoming_deployment, -> { upcoming.order(id: :desc) }, class_name: 'Deployment', inverse_of: :environment

  Deployment::FINISHED_STATUSES.each do |status|
    has_one :"last_#{status}_deployment", -> { where(status: status).ordered },
            class_name: 'Deployment', inverse_of: :environment
  end

  Deployment::UPCOMING_STATUSES.each do |status|
    has_one :"last_#{status}_deployment", -> { where(status: status).ordered_as_upcoming },
            class_name: 'Deployment', inverse_of: :environment
  end

  has_one :latest_opened_most_severe_alert, -> { order_severity_with_open_prometheus_alert }, class_name: 'AlertManagement::Alert', inverse_of: :environment

  before_validation :generate_slug, if: ->(env) { env.slug.blank? }
  before_validation :ensure_environment_tier

  before_save :set_environment_type
  after_save :clear_reactive_cache!

  validates :name,
            presence: true,
            uniqueness: { scope: :project_id },
            length: { maximum: 255 },
            format: { with: Gitlab::Regex.environment_name_regex,
                      message: Gitlab::Regex.environment_name_regex_message }

  validates :slug,
            presence: true,
            uniqueness: { scope: :project_id },
            length: { maximum: 24 },
            format: { with: Gitlab::Regex.environment_slug_regex,
                      message: Gitlab::Regex.environment_slug_regex_message }

  validates :external_url,
            length: { maximum: 255 },
            allow_nil: true

  # Currently, the tier presence is validaed for newly created environments.
  # After the `BackfillEnvironmentTiers` background migration has been completed, we should remove `on: :create`.
  # See https://gitlab.com/gitlab-org/gitlab/-/issues/385253.
  # Todo: Remove along with FF `validate_environment_tier_presence`.
  validates :tier, presence: true, on: :create, unless: :validate_environment_tier_present?

  validates :tier, presence: true, if: :validate_environment_tier_present?

  validate :safe_external_url
  validate :merge_request_not_changed

  delegate :manual_actions, to: :last_deployment, allow_nil: true
  delegate :auto_rollback_enabled?, to: :project

  scope :available, -> { with_state(:available) }
  scope :stopped, -> { with_state(:stopped) }

  scope :order_by_last_deployed_at, -> do
    order(Arel::Nodes::Grouping.new(max_deployment_id_query).asc.nulls_first)
  end
  scope :order_by_last_deployed_at_desc, -> do
    order(Arel::Nodes::Grouping.new(max_deployment_id_query).desc.nulls_last)
  end
  scope :order_by_name, -> { order('environments.name ASC') }

  scope :in_review_folder, -> { where(environment_type: "review") }
  scope :for_name, -> (name) { where(name: name) }
  scope :preload_project, -> { preload(:project) }
  scope :auto_stoppable, -> (limit) { available.where('auto_stop_at < ?', Time.zone.now).limit(limit) }
  scope :auto_deletable, -> (limit) { stopped.where('auto_delete_at < ?', Time.zone.now).limit(limit) }

  scope :deployed_and_updated_before, -> (project_id, before) do
    # this query joins deployments and filters out any environment that has recent deployments
    joins = %{
    LEFT JOIN "deployments" on "deployments".environment_id = "environments".id
        AND "deployments".project_id = #{project_id}
        AND "deployments".updated_at >= #{connection.quote(before)}
    }
    Environment.joins(joins)
               .where(project_id: project_id, updated_at: ...before)
               .group('id', 'deployments.id')
               .having('deployments.id IS NULL')
  end
  scope :without_protected, -> (project) {} # no-op when not in EE mode

  scope :without_names, -> (names) do
    where.not(name: names)
  end
  scope :without_tiers, -> (tiers) do
    where.not(tier: tiers)
  end

  ##
  # Search environments which have names like the given query.
  # Do not set a large limit unless you've confirmed that it works on gitlab.com scale.
  scope :for_name_like, -> (query, limit: 5) do
    top_level = 'LOWER(environments.name) LIKE LOWER(?) || \'%\''

    where(top_level, sanitize_sql_like(query)).limit(limit)
  end

  scope :for_name_like_within_folder, -> (query, limit: 5) do
    within_folder = 'LOWER(ltrim(environments.name, environments.environment_type'\
      ' || \'/\')) LIKE LOWER(?) || \'%\''

    where(within_folder, sanitize_sql_like(query)).limit(limit)
  end

  scope :for_project, -> (project) { where(project_id: project) }
  scope :for_tier, -> (tier) { where(tier: tier).where.not(tier: nil) }
  scope :for_type, -> (type) { where(environment_type: type) }
  scope :unfoldered, -> { where(environment_type: nil) }
  scope :with_rank, -> do
    select('environments.*, rank() OVER (PARTITION BY project_id ORDER BY id DESC)')
  end

  scope :with_deployment, -> (sha, status: nil) do
    deployments = Deployment.select(1).where('deployments.environment_id = environments.id').where(sha: sha)
    deployments = deployments.where(status: status) if status

    where('EXISTS (?)', deployments)
  end

  scope :stopped_review_apps, -> (before, limit) do
    stopped
      .in_review_folder
      .where("created_at < ?", before)
      .order("created_at ASC")
      .limit(limit)
  end

  scope :scheduled_for_deletion, -> do
    where.not(auto_delete_at: nil)
  end

  scope :not_scheduled_for_deletion, -> do
    where(auto_delete_at: nil)
  end

  enum tier: {
    production: 0,
    staging: 1,
    testing: 2,
    development: 3,
    other: 4
  }

  state_machine :state, initial: :available do
    event :start do
      transition stopped: :available
    end

    event :stop do
      transition available: :stopping, if: :wait_for_stop?
      transition available: :stopped, unless: :wait_for_stop?
    end

    event :stop_complete do
      transition %i(available stopping) => :stopped
    end

    state :available
    state :stopping
    state :stopped

    before_transition any => :stopped do |environment|
      environment.auto_stop_at = nil
    end

    after_transition do |environment|
      environment.expire_etag_cache
    end
  end

  def self.for_id_and_slug(id, slug)
    find_by(id: id, slug: slug)
  end

  def self.max_deployment_id_query
    Arel.sql(
      Deployment.select(Deployment.arel_table[:id].maximum)
      .where(Deployment.arel_table[:environment_id].eq(arel_table[:id])).to_sql
    )
  end

  def self.pluck_names
    pluck(:name)
  end

  def self.pluck_unique_names
    pluck('DISTINCT(environments.name)')
  end

  def self.find_or_create_by_name(name)
    find_or_create_by(name: name)
  end

  def self.valid_states
    self.state_machine.states.map(&:name)
  end

  def self.schedule_to_delete(at_time = 1.week.from_now)
    update_all(auto_delete_at: at_time)
  end

  def self.nested
    group('COALESCE(environment_type, id::text)', 'COALESCE(environment_type, name)')
      .select('COALESCE(environment_type, id::text), COALESCE(environment_type, name) AS name',
              'COUNT(*) AS size', 'MAX(id) AS last_id')
      .order('name ASC')
  end

  class << self
    def count_by_state
      environments_count_by_state = group(:state).count

      valid_states.index_with do |state|
        environments_count_by_state[state.to_s] || 0
      end
    end
  end

  def last_deployable
    last_deployment&.deployable
  end

  def last_deployment_pipeline
    last_deployable&.pipeline
  end

  # This method returns the deployment records of the last deployment pipeline, that successfully executed to this environment.
  # e.g.
  # A pipeline contains
  #   - deploy job A => production environment
  #   - deploy job B => production environment
  # In this case, `last_deployment_group` returns both deployments, whereas `last_deployable` returns only B.
  def legacy_last_deployment_group
    return Deployment.none unless last_deployment_pipeline

    successful_deployments.where(
      deployable_id: last_deployment_pipeline.latest_builds.pluck(:id))
  end

  def last_visible_deployable
    last_visible_deployment&.deployable
  end

  def last_visible_pipeline
    last_visible_deployable&.pipeline
  end

  def clear_prometheus_reactive_cache!(query_name)
    cluster_prometheus_adapter&.clear_prometheus_reactive_cache!(query_name, self)
  end

  def cluster_prometheus_adapter
    @cluster_prometheus_adapter ||= ::Gitlab::Prometheus::Adapter.new(project, deployment_platform&.cluster).cluster_prometheus_adapter
  end

  def predefined_variables
    Gitlab::Ci::Variables::Collection.new
      .append(key: 'CI_ENVIRONMENT_NAME', value: name)
      .append(key: 'CI_ENVIRONMENT_SLUG', value: slug)
  end

  def recently_updated_on_branch?(ref)
    ref.to_s == last_deployment.try(:ref)
  end

  def set_environment_type
    names = name.split('/')

    self.environment_type = names.many? ? names.first : nil
  end

  def includes_commit?(sha)
    return false unless last_deployment

    last_deployment.includes_commit?(sha)
  end

  def last_deployed_at
    last_deployment.try(:created_at)
  end

  def ref_path
    "refs/#{Repository::REF_ENVIRONMENTS}/#{slug}"
  end

  def formatted_external_url
    return unless external_url

    external_url.gsub(%r{\A.*?://}, '')
  end

  def stop_actions_available?
    available? && stop_actions.present?
  end

  def cancel_deployment_jobs!
    active_deployments.builds.each do |build|
      Gitlab::OptimisticLocking.retry_lock(build, name: 'environment_cancel_deployment_jobs') do |build|
        build.cancel! if build&.cancelable?
      end
    rescue StandardError => e
      Gitlab::ErrorTracking.track_exception(e, environment_id: id, deployment_id: deployment.id)
    end
  end

  def wait_for_stop?
    stop_actions.present?
  end

  def stop_with_actions!(current_user)
    return unless available?

    stop!

    actions = []

    stop_actions.each do |stop_action|
      Gitlab::OptimisticLocking.retry_lock(
        stop_action,
        name: 'environment_stop_with_actions'
      ) do |build|
        actions << build.play(current_user)
      end
    end

    actions
  end

  def stop_actions
    strong_memoize(:stop_actions) do
      last_deployment_group.map(&:stop_action).compact
    end
  end

  def last_deployment_group
    Deployment.last_deployment_group_for_environment(self)
  end

  def reset_auto_stop
    update_column(:auto_stop_at, nil)
  end

  def actions_for(environment)
    return [] unless manual_actions

    manual_actions.select do |action|
      action.expanded_environment_name == environment
    end
  end

  def has_terminals?
    available? && deployment_platform.present? && last_deployment.present?
  end

  def terminals
    with_reactive_cache do |data|
      deployment_platform.terminals(self, data)
    end
  end

  def calculate_reactive_cache
    return unless has_terminals? && !project.pending_delete?

    deployment_platform.calculate_reactive_cache_for(self)
  end

  def deployment_namespace
    strong_memoize(:kubernetes_namespace) do
      deployment_platform.cluster.kubernetes_namespace_for(self) if deployment_platform
    end
  end

  def has_metrics?
    available? && (prometheus_adapter&.configured? || has_sample_metrics?)
  end

  def has_sample_metrics?
    !!ENV['USE_SAMPLE_METRICS']
  end

  def has_opened_alert?
    latest_opened_most_severe_alert.present?
  end

  def has_running_deployments?
    all_deployments.running.exists?
  end

  def metrics
    prometheus_adapter.query(:environment, self) if has_metrics_and_can_query?
  end

  def additional_metrics(*args)
    return unless has_metrics_and_can_query?

    prometheus_adapter.query(:additional_metrics_environment, self, *args.map(&:to_f))
  end

  def prometheus_adapter
    @prometheus_adapter ||= Gitlab::Prometheus::Adapter.new(project, deployment_platform&.cluster).prometheus_adapter
  end

  def slug
    super.presence || generate_slug
  end

  def external_url_for(path, commit_sha)
    return unless self.external_url

    public_path = project.public_path_for_source_path(path, commit_sha)
    return unless public_path

    [external_url.delete_suffix('/'), public_path.delete_prefix('/')].join('/')
  end

  def expire_etag_cache
    Gitlab::EtagCaching::Store.new.tap do |store|
      store.touch(etag_cache_key)
    end
  end

  def etag_cache_key
    Gitlab::Routing.url_helpers.project_environments_path(
      project,
      format: :json)
  end

  def folder_name
    self.environment_type || self.name
  end

  def name_without_type
    @name_without_type ||= name.delete_prefix("#{environment_type}/")
  end

  def deployment_platform
    strong_memoize(:deployment_platform) do
      project.deployment_platform(environment: self.name)
    end
  end

  def knative_services_finder
    if last_deployment&.cluster
      Clusters::KnativeServicesFinder.new(last_deployment.cluster, self)
    end
  end

  def auto_stop_in
    auto_stop_at - Time.current if auto_stop_at
  end

  def auto_stop_in=(value)
    if value.nil?
      # Handles edge case when auto_stop_at is already set and the new value is nil.
      # Possible by setting `auto_stop_in: null` in the CI configuration yml.
      self.auto_stop_at = nil

      return
    end

    parser = ::Gitlab::Ci::Build::DurationParser.new(value)

    self.auto_stop_at = parser.seconds_from_now
  rescue ChronicDuration::DurationParseError => ex
    Gitlab::ErrorTracking.track_exception(ex, project_id: self.project_id, environment_id: self.id)
    raise ex
  end

  def rollout_status
    return unless rollout_status_available?

    result = rollout_status_with_reactive_cache

    result || ::Gitlab::Kubernetes::RolloutStatus.loading
  end

  def ingresses
    return unless rollout_status_available?

    deployment_platform.ingresses(deployment_namespace)
  end

  def patch_ingress(ingress, data)
    return unless rollout_status_available?

    deployment_platform.patch_ingress(deployment_namespace, ingress, data)
  end

  def clear_all_caches
    expire_etag_cache
    clear_reactive_cache!
  end

  def should_link_to_merge_requests?
    unfoldered? || production? || staging?
  end

  def unfoldered?
    environment_type.nil?
  end

  def deploy_freezes
    Gitlab::SafeRequestStore.fetch("project:#{project_id}:freeze_periods_for_environments") do
      project.freeze_periods
    end
  end

  private

  # We deliberately avoid using AddressableUrlValidator to allow users to update their environments even if they have
  # misconfigured `environment:url` keyword. The external URL is presented as a clickable link on UI and not consumed
  # in GitLab internally, thus we sanitize the URL before the persistence to make sure the rendered link is XSS safe.
  # See https://gitlab.com/gitlab-org/gitlab/-/issues/337417
  def safe_external_url
    return unless self.external_url.present?

    new_external_url = Addressable::URI.parse(self.external_url)

    if Gitlab::Utils::SanitizeNodeLink::UNSAFE_PROTOCOLS.include?(new_external_url.normalized_scheme)
      errors.add(:external_url, "#{new_external_url.normalized_scheme} scheme is not allowed")
    end
  rescue Addressable::URI::InvalidURIError
    errors.add(:external_url, 'URI is invalid')
  end

  def rollout_status_available?
    has_terminals?
  end

  def rollout_status_with_reactive_cache
    with_reactive_cache do |data|
      deployment_platform.rollout_status(self, data)
    end
  end

  def has_metrics_and_can_query?
    has_metrics? && prometheus_adapter.can_query?
  end

  def generate_slug
    self.slug = Gitlab::Slug::Environment.new(name).generate
  end

  def ensure_environment_tier
    self.tier ||= guess_tier
  end

  def merge_request_not_changed
    if merge_request_id_changed? && persisted?
      errors.add(:merge_request, 'merge_request cannot be changed')
    end
  end

  # Guessing the tier of the environment if it's not explicitly specified by users.
  # See https://en.wikipedia.org/wiki/Deployment_environment for industry standard deployment environments
  def guess_tier
    case name
    when /(dev|review|trunk)/i
      self.class.tiers[:development]
    when /(test|tst|int|ac(ce|)pt|qa|qc|control|quality)/i
      self.class.tiers[:testing]
    when /(st(a|)g|mod(e|)l|pre|demo|non)/i
      self.class.tiers[:staging]
    when /(pr(o|)d|live)/i
      self.class.tiers[:production]
    else
      self.class.tiers[:other]
    end
  end

  def validate_environment_tier_present?
    Feature.enabled?(:validate_environment_tier_presence, self.project)
  end
end

Environment.prepend_mod_with('Environment')