Add latest changes from gitlab-org/gitlab@master

26 files changed, 327 insertions, 78 deletions

diff --git a/Gemfile b/Gemfile
index 68bb8c7d171..82e5bababc3 100644
--- a/Gemfile
+++ b/Gemfile
@@ -246,7 +246,7 @@ gem 're2', '~> 1.6.0'
 gem 'version_sorter', '~> 2.2.4'
 
 # Export Ruby Regex to Javascript
-gem 'js_regex', '~> 3.7'
+gem 'js_regex', '~> 3.8'
 
 # User agent parsing
 gem 'device_detector'
diff --git a/Gemfile.checksum b/Gemfile.checksum
index 8103a29a20d..5a7956df3d9 100644
--- a/Gemfile.checksum
+++ b/Gemfile.checksum
@@ -286,7 +286,7 @@
 {"name":"jaro_winkler","version":"1.5.4","platform":"ruby","checksum":"50c3e83c5a9e8769c1cf5b73c8b51bb6eebbf8852a0ee53bf6ad6e4dc63414f9"},
 {"name":"jira-ruby","version":"2.1.4","platform":"ruby","checksum":"4267c095cac8323b9eef3ba866eb28bb1388b7623a5abb60c1e7caf12d4adb9e"},
 {"name":"jmespath","version":"1.6.1","platform":"ruby","checksum":"40ca83f4141bdd1e503db5485de68b84237183d84cf7a159fbeebcc6005adbd6"},
-{"name":"js_regex","version":"3.7.0","platform":"ruby","checksum":"b13fac68c4416d1a5f21c3bab8a71b4530f424b7c4ff9f46d8e62b895dc05975"},
+{"name":"js_regex","version":"3.8.0","platform":"ruby","checksum":"7934bcdd5a0e6d5af4a520288fd4684a02a472ae55831d9178ccaf82356344b5"},
 {"name":"json","version":"2.5.1","platform":"java","checksum":"be284a0c4a9d0373e81b0d5dfe71ed5b18d0479f05970e60a77be89a2978ce6c"},
 {"name":"json","version":"2.5.1","platform":"ruby","checksum":"918d8c41dacb7cfdbe0c7bbd6014a5372f0cf1c454ca150e9f4010fe80cc3153"},
 {"name":"json-jwt","version":"1.15.3","platform":"ruby","checksum":"66db4f14e538a774c15502a5b5b26b1f3e7585481bbb96df490aa74b5c2d6110"},
diff --git a/Gemfile.lock b/Gemfile.lock
index 30063886ff8..31ec54a5347 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -758,9 +758,9 @@ GEM
       multipart-post
       oauth (~> 0.5, >= 0.5.0)
     jmespath (1.6.1)
-    js_regex (3.7.0)
+    js_regex (3.8.0)
       character_set (~> 1.4)
-      regexp_parser (~> 2.1)
+      regexp_parser (~> 2.5)
       regexp_property_values (~> 1.0)
     json (2.5.1)
     json-jwt (1.15.3)
@@ -1673,7 +1673,7 @@ DEPENDENCIES
   ipaddress (~> 0.8.3)
   ipynbdiff!
   jira-ruby (~> 2.1.4)
-  js_regex (~> 3.7)
+  js_regex (~> 3.8)
   json (~> 2.5.1)
   json_schemer (~> 0.2.18)
   jwt (~> 2.1.0)
diff --git a/app/assets/javascripts/integrations/constants.js b/app/assets/javascripts/integrations/constants.js
index 2806b785816..392dd63b089 100644
--- a/app/assets/javascripts/integrations/constants.js
+++ b/app/assets/javascripts/integrations/constants.js
@@ -85,10 +85,12 @@ export const billingPlanNames = {
 };
 
 const INTEGRATION_TYPE_SLACK = 'slack';
+const INTEGRATION_TYPE_SLACK_APPLICATION = 'gitlab_slack_application';
 const INTEGRATION_TYPE_MATTERMOST = 'mattermost';
 
 export const placeholderForType = {
   [INTEGRATION_TYPE_SLACK]: __('#general, #development'),
+  [INTEGRATION_TYPE_SLACK_APPLICATION]: __('#general, #development'),
   [INTEGRATION_TYPE_MATTERMOST]: __('my-channel'),
 };
 
diff --git a/app/assets/javascripts/integrations/edit/components/trigger_fields.vue b/app/assets/javascripts/integrations/edit/components/trigger_fields.vue
index 67647cadf19..3820a87e5ad 100644
--- a/app/assets/javascripts/integrations/edit/components/trigger_fields.vue
+++ b/app/assets/javascripts/integrations/edit/components/trigger_fields.vue
@@ -23,7 +23,7 @@ export default {
   },
   computed: {
     ...mapGetters(['isInheriting']),
-    placeholder() {
+    defaultPlaceholder() {
       return placeholderForType[this.type];
     },
   },
@@ -55,7 +55,7 @@ export default {
           v-if="event.field"
           v-model="event.field.value"
           :name="fieldName(event.field.name)"
-          :placeholder="placeholder"
+          :placeholder="event.field.placeholder || defaultPlaceholder"
           :readonly="isInheriting"
         />
       </gl-form-group>
diff --git a/app/views/projects/_merge_request_merge_checks_settings.html.haml b/app/views/projects/_merge_request_merge_checks_settings.html.haml
index 3345b3043b8..8c12399fdbb 100644
--- a/app/views/projects/_merge_request_merge_checks_settings.html.haml
+++ b/app/views/projects/_merge_request_merge_checks_settings.html.haml
@@ -12,6 +12,7 @@
       s_('ProjectSettings|Skipped pipelines are considered successful'),
       help_text: s_('ProjectSettings|Introduces the risk of merging changes that do not pass the pipeline.'),
       checkbox_options: { class: 'gl-pl-6' }
+  = render_if_exists 'projects/merge_request_merge_checks_status_checks', form: form, project: @project
   = form.gitlab_ui_checkbox_component :only_allow_merge_if_all_discussions_are_resolved,
     s_('ProjectSettings|All threads must be resolved'),
     checkbox_options: { data: { qa_selector: 'allow_merge_if_all_discussions_are_resolved_checkbox' } }
diff --git a/config/feature_flags/development/integration_slack_app_notifications.yml b/config/feature_flags/development/integration_slack_app_notifications.yml
index d233194c6d4..4b9903b25c9 100644
--- a/config/feature_flags/development/integration_slack_app_notifications.yml
+++ b/config/feature_flags/development/integration_slack_app_notifications.yml
@@ -1,7 +1,7 @@
 ---
 name: integration_slack_app_notifications
 introduced_by_url: https://gitlab.com/gitlab-org/gitlab/-/merge_requests/98663
-rollout_issue_url:
+rollout_issue_url: https://gitlab.com/gitlab-org/gitlab/-/issues/381012
 milestone: '15.5'
 type: development
 group: group::integrations
diff --git a/config/initializers/database_query_analyzers.rb b/config/initializers/database_query_analyzers.rb
index 2e73fbb79a2..fcfc75341df 100644
--- a/config/initializers/database_query_analyzers.rb
+++ b/config/initializers/database_query_analyzers.rb
@@ -1,15 +1,18 @@
 # frozen_string_literal: true
 
 # Currently we register validator only for `dev` or `test` environment
-Gitlab::Database::QueryAnalyzer.instance.hook!
-Gitlab::Database::QueryAnalyzer.instance.all_analyzers.append(::Gitlab::Database::QueryAnalyzers::GitlabSchemasMetrics)
-Gitlab::Database::QueryAnalyzer.instance.all_analyzers.append(
-  ::Gitlab::Database::QueryAnalyzers::PreventCrossDatabaseModification
-)
+Gitlab::Database::QueryAnalyzer.instance.tap do |query_analyzer|
+  query_analyzer.hook!
 
-if Gitlab.dev_or_test_env?
-  query_analyzer = ::Gitlab::Database::QueryAnalyzers::GitlabSchemasValidateConnection
-  Gitlab::Database::QueryAnalyzer.instance.all_analyzers.append(query_analyzer)
+  query_analyzer.all_analyzers.tap do |analyzers|
+    analyzers.append(::Gitlab::Database::QueryAnalyzers::GitlabSchemasMetrics)
+    analyzers.append(::Gitlab::Database::QueryAnalyzers::PreventCrossDatabaseModification)
+
+    if Gitlab.dev_or_test_env?
+      analyzers.append(::Gitlab::Database::QueryAnalyzers::GitlabSchemasValidateConnection)
+      analyzers.append(::Gitlab::Database::QueryAnalyzers::QueryRecorder)
+    end
+  end
 end
 
 Gitlab::Application.configure do |config|
diff --git a/config/open_api.yml b/config/open_api.yml
index cd0b64ba1fd..f45691ea9f5 100644
--- a/config/open_api.yml
+++ b/config/open_api.yml
@@ -26,6 +26,10 @@ metadata:
     description: Operations related to deploy tokens
   - name: deployments
     description: Operations related to deployments
+  - name: environments
+    description: Operations related to environments
+  - name: feature_flags_user_lists
+    description: Operations related to accessing GitLab feature flag user lists
   - name: features
     description: Operations related to managing Flipper-based feature flags
   - name: freeze_periods
diff --git a/doc/api/environments.md b/doc/api/environments.md
index 0f969ea4fd3..89b4bb6a1de 100644
--- a/doc/api/environments.md
+++ b/doc/api/environments.md
@@ -20,7 +20,7 @@ GET /projects/:id/environments
 | `id`      | integer/string | yes      | The ID or [URL-encoded path of the project](index.md#namespaced-path-encoding) owned by the authenticated user                                              |
 | `name`    | string  | no       | Return the environment with this name. Mutually exclusive with `search`                                                                                     |
 | `search`  | string  | no       | Return list of environments matching the search criteria. Mutually exclusive with `name`                                                                    |
-| `states`  | string  | no       | List all environments that match a specific state. Accepted values: `available`, `stopping` or `stopped`. If no state value given, returns all environments. |
+| `states`  | string  | no       | List all environments that match a specific state. Accepted values: `available`, `stopping`, or `stopped`. If no state value given, returns all environments. |
 
 ```shell
 curl --header "PRIVATE-TOKEN: <your_access_token>" "https://gitlab.example.com/api/v4/projects/1/environments?name=review%2Ffix-foo"
@@ -279,7 +279,7 @@ Example response:
 }
 ```
 
-## Edit an existing environment
+## Update an existing environment
 
 Updates an existing environment's name and/or `external_url`.
 
diff --git a/doc/ci/jobs/job_control.md b/doc/ci/jobs/job_control.md
index fc3b106aa18..d26c698af89 100644
--- a/doc/ci/jobs/job_control.md
+++ b/doc/ci/jobs/job_control.md
@@ -107,6 +107,33 @@ job:
     - make build
 ```
 
+#### Skip job if the branch is empty
+
+Use [`rules:changes:compare_to`](../yaml/index.md#ruleschangescompare_to) to avoid
+running a job when the branch is empty, which saves CI/CD resources. Compare the
+branch to the default branch, and if the branch:
+
+- Doesn't have changed files, the job doesn't run.
+- Has changed files, the job runs.
+
+For example, in a project with `main` as the default branch:
+
+```yaml
+job:
+  script:
+    - echo "This job only runs for branches that are not empty"
+  rules:
+    - if: $CI_COMMIT_BRANCH
+      changes:
+        compare_to: refs/heads/main
+        paths:
+          - '*'
+```
+
+The rule for this job compares all files and paths (`*`) in the current branch against
+the default branch `main`. The rule matches and the job runs only when there are
+changes to the files in the branch.
+
 ### Complex rules
 
 You can use all `rules` keywords, like `if`, `changes`, and `exists`, in the same
diff --git a/doc/ci/yaml/index.md b/doc/ci/yaml/index.md
index 47ad2655710..a32ba9751c4 100644
--- a/doc/ci/yaml/index.md
+++ b/doc/ci/yaml/index.md
@@ -1155,7 +1155,7 @@ that use the same cache key use the same cache, including in different pipelines
 If not set, the default key is `default`. All jobs with the `cache` keyword but
 no `cache:key` share the `default` cache.
 
-Must be used with `cache: path`, or nothing is cached.
+Must be used with `cache: paths`, or nothing is cached.
 
 **Keyword type**: Job keyword. You can use it only as part of a job or in the
 [`default` section](#default).
@@ -1325,7 +1325,7 @@ rspec:
 
 Use `cache:when` to define when to save the cache, based on the status of the job.
 
-Must be used with `cache: path`, or nothing is cached.
+Must be used with `cache: paths`, or nothing is cached.
 
 **Keyword type**: Job keyword. You can use it only as part of a job or in the
 [`default` section](#default).
@@ -1365,7 +1365,7 @@ Use the `pull` policy when you have many jobs executing in parallel that use the
 This policy speeds up job execution and reduces load on the cache server. You can
 use a job with the `push` policy to build the cache.
 
-Must be used with `cache: path`, or nothing is cached.
+Must be used with `cache: paths`, or nothing is cached.
 
 **Keyword type**: Job keyword. You can use it only as part of a job or in the
 [`default` section](#default).
@@ -1773,7 +1773,7 @@ deploy:
 **Additional details**:
 
 - Enviroments created from this job definition are assigned a [tier](../environments/index.md#deployment-tier-of-environments) based on this value.
-- Existing environments don't have their tier updated if this value is added later. Existing enviroments must have their tier updated via the [Environments API](../../api/environments.md#edit-an-existing-environment).
+- Existing environments don't have their tier updated if this value is added later. Existing enviroments must have their tier updated via the [Environments API](../../api/environments.md#update-an-existing-environment).
 
 **Related topics**:
 
diff --git a/lib/api/api.rb b/lib/api/api.rb
index 38c20e80d14..35d96efec5c 100644
--- a/lib/api/api.rb
+++ b/lib/api/api.rb
@@ -176,6 +176,8 @@ module API
         mount ::API::DeployKeys
         mount ::API::DeployTokens
         mount ::API::Deployments
+        mount ::API::Environments
+        mount ::API::FeatureFlagsUserLists
         mount ::API::Features
         mount ::API::FreezePeriods
         mount ::API::Metadata
@@ -225,13 +227,11 @@ module API
       mount ::API::DebianProjectPackages
       mount ::API::DependencyProxy
       mount ::API::Discussions
-      mount ::API::Environments
       mount ::API::ErrorTracking::ClientKeys
       mount ::API::ErrorTracking::Collector
       mount ::API::ErrorTracking::ProjectSettings
       mount ::API::Events
       mount ::API::FeatureFlags
-      mount ::API::FeatureFlagsUserLists
       mount ::API::Files
       mount ::API::GenericPackages
       mount ::API::Geo
diff --git a/lib/api/entities/environment.rb b/lib/api/entities/environment.rb
index 3b6ed94c3f1..dc9911d5acb 100644
--- a/lib/api/entities/environment.rb
+++ b/lib/api/entities/environment.rb
@@ -5,10 +5,10 @@ module API
     class Environment < Entities::EnvironmentBasic
       include RequestAwareEntity
 
-      expose :tier
+      expose :tier, documentation: { type: 'string', example: 'development' }
       expose :project, using: Entities::BasicProjectDetails
       expose :last_deployment, using: Entities::Deployment, if: { last_deployment: true }
-      expose :state
+      expose :state, documentation: { type: 'string', example: 'available' }
     end
   end
 end
diff --git a/lib/api/entities/environment_basic.rb b/lib/api/entities/environment_basic.rb
index d9894eac147..1b4a9371820 100644
--- a/lib/api/entities/environment_basic.rb
+++ b/lib/api/entities/environment_basic.rb
@@ -3,7 +3,12 @@
 module API
   module Entities
     class EnvironmentBasic < Grape::Entity
-      expose :id, :name, :slug, :external_url, :created_at, :updated_at
+      expose :id, documentation: { type: 'integer', example: 1 }
+      expose :name, documentation: { type: 'string', example: 'deploy' }
+      expose :slug, documentation: { type: 'string', example: 'deploy' }
+      expose :external_url, documentation: { type: 'string', example: 'https://deploy.gitlab.example.com' }
+      expose :created_at, documentation: { type: 'dateTime', example: '2019-05-25T18:55:13.252Z' }
+      expose :updated_at, documentation: { type: 'dateTime', example: '2019-05-25T18:55:13.252Z' }
     end
   end
 end
diff --git a/lib/api/entities/feature_flag/user_list.rb b/lib/api/entities/feature_flag/user_list.rb
index bc8b12ea22e..efb3261658a 100644
--- a/lib/api/entities/feature_flag/user_list.rb
+++ b/lib/api/entities/feature_flag/user_list.rb
@@ -6,13 +6,13 @@ module API
       class UserList < Grape::Entity
         include RequestAwareEntity
 
-        expose :id
-        expose :iid
-        expose :project_id
-        expose :created_at
-        expose :updated_at
-        expose :name
-        expose :user_xids
+        expose :id, documentation: { type: 'integer', example: 1 }
+        expose :iid, documentation: { type: 'integer', example: 1 }
+        expose :project_id, documentation: { type: 'integer', example: 2 }
+        expose :created_at, documentation: { type: 'dateTime', example: '2020-02-04T08:13:10.507Z' }
+        expose :updated_at, documentation: { type: 'dateTime', example: '2020-02-04T08:13:10.507Z' }
+        expose :name, documentation: { type: 'string', example: 'user_list' }
+        expose :user_xids, documentation: { type: 'string', example: 'user1,user2' }
 
         expose :path do |list|
           project_feature_flags_user_list_path(list.project, list)
diff --git a/lib/api/environments.rb b/lib/api/environments.rb
index 42d5e6a73b3..33f27f4dace 100644
--- a/lib/api/environments.rb
+++ b/lib/api/environments.rb
@@ -11,18 +11,27 @@ module API
     urgency :low
 
     params do
-      requires :id, type: String, desc: 'The project ID'
+      requires :id, types: [String, Integer], desc: 'The ID or URL-encoded path of the project owned by the authenticated user'
     end
     resource :projects, requirements: API::NAMESPACE_OR_PROJECT_REQUIREMENTS do
-      desc 'Get all environments of the project' do
-        detail 'This feature was introduced in GitLab 8.11.'
+      desc 'List environments' do
+        detail 'Get all environments for a given project. This feature was introduced in GitLab 8.11.'
         success Entities::Environment
+        is_array true
+        failure [
+          { code: 403, message: 'Unauthenticated' },
+          { code: 404, message: 'Not found' }
+        ]
+        tags %w[environments]
       end
       params do
         use :pagination
-        optional :name, type: String, desc: 'Returns the environment with this name'
-        optional :search, type: String, desc: 'Returns list of environments matching the search criteria'
-        optional :states, type: String, values: Environment.valid_states.map(&:to_s), desc: 'List all environments that match a specific state'
+        optional :name, type: String, desc: 'Return the environment with this name. Mutually exclusive with search'
+        optional :search, type: String, desc: 'Return list of environments matching the search criteria. Mutually exclusive with name'
+        optional :states,
+          type: String,
+          values: Environment.valid_states.map(&:to_s),
+          desc: 'List all environments that match a specific state. Accepted values: `available`, `stopping`, or `stopped`. If no state value given, returns all environments'
         mutually_exclusive :name, :search, message: 'cannot be used together'
       end
       get ':id/environments' do
@@ -33,15 +42,21 @@ module API
         present paginate(environments), with: Entities::Environment, current_user: current_user
       end
 
-      desc 'Creates a new environment' do
-        detail 'This feature was introduced in GitLab 8.11.'
+      desc 'Create a new environment' do
+        detail 'Creates a new environment with the given name and `external_url`. It returns `201` if the environment was successfully created, `400` for wrong parameters. This feature was introduced in GitLab 8.11.'
         success Entities::Environment
+        failure [
+          { code: 403, message: 'Unauthenticated' },
+          { code: 404, message: 'Not found' },
+          { code: 422, message: 'Unprocessable entity' }
+        ]
+        tags %w[environments]
       end
       params do
-        requires :name,           type: String,   desc: 'The name of the environment to be created'
-        optional :external_url,   type: String,   desc: 'URL on which this deployment is viewable'
+        requires :name,           type: String,   desc: 'The name of the environment'
+        optional :external_url,   type: String,   desc: 'Place to link to for this environment'
         optional :slug, absence: { message: "is automatically generated and cannot be changed" }, documentation: { hidden: true }
-        optional :tier, type: String, values: Environment.tiers.keys, desc: 'The tier of the environment to be created'
+        optional :tier, type: String, values: Environment.tiers.keys, desc: 'The tier of the new environment. Allowed values are `production`, `staging`, `testing`, `development`, and `other`'
       end
       post ':id/environments' do
         authorize! :create_environment, user_project
@@ -55,17 +70,23 @@ module API
         end
       end
 
-      desc 'Updates an existing environment' do
-        detail 'This feature was introduced in GitLab 8.11.'
+      desc 'Update an existing environment' do
+        detail 'Updates an existing environment name and/or `external_url`. It returns `200` if the environment was successfully updated. In case of an error, a status code `400` is returned. This feature was introduced in GitLab 8.11.'
         success Entities::Environment
+        failure [
+          { code: 403, message: 'Unauthenticated' },
+          { code: 404, message: 'Not found' },
+          { code: 422, message: 'Unprocessable entity' }
+        ]
+        tags %w[environments]
       end
       params do
-        requires :environment_id, type: Integer,  desc: 'The environment ID'
+        requires :environment_id, type: Integer,  desc: 'The ID of the environment'
         # TODO: disallow renaming via the API https://gitlab.com/gitlab-org/gitlab/-/issues/338897
         optional :name,           type: String,   desc: 'DEPRECATED: Renaming environment can lead to errors, this will be removed in 15.0'
         optional :external_url,   type: String,   desc: 'The new URL on which this deployment is viewable'
         optional :slug, absence: { message: "is automatically generated and cannot be changed" }, documentation: { hidden: true }
-        optional :tier, type: String, values: Environment.tiers.keys, desc: 'The tier of the environment to be created'
+        optional :tier, type: String, values: Environment.tiers.keys, desc: 'The tier of the new environment. Allowed values are `production`, `staging`, `testing`, `development`, and `other`'
       end
       put ':id/environments/:environment_id' do
         authorize! :update_environment, user_project
@@ -80,14 +101,21 @@ module API
         end
       end
 
-      desc "Delete multiple stopped review apps" do
-        detail "Remove multiple stopped review environments older than a specific age"
+      desc 'Delete multiple stopped review apps' do
+        detail 'It schedules for deletion multiple environments that have already been stopped and are in the review app folder. The actual deletion is performed after 1 week from the time of execution. By default, it only deletes environments 30 days or older. You can change this default using the `before` parameter.'
         success Entities::EnvironmentBasic
+        failure [
+          { code: 400, message: 'Bad request' },
+          { code: 403, message: 'Unauthenticated' },
+          { code: 404, message: 'Not found' },
+          { code: 409, message: 'Conflict' }
+        ]
+        tags %w[environments]
       end
       params do
-        optional :before, type: Time, desc: "The timestamp before which environments can be deleted. Defaults to 30 days ago.", default: -> { 30.days.ago }
-        optional :limit, type: Integer, desc: "Maximum number of environments to delete. Defaults to 100.", default: 100, values: 1..1000
-        optional :dry_run, type: Boolean, desc: "If set, perform a dry run where no actual deletions will be performed. Defaults to true.", default: true
+        optional :before, type: Time, desc: "The date before which environments can be deleted. Defaults to 30 days ago. Expected in ISO 8601 format (`YYYY-MM-DDTHH:MM:SSZ`)", default: -> { 30.days.ago }
+        optional :limit, type: Integer, desc: "Maximum number of environments to delete. Defaults to 100", default: 100, values: 1..1000
+        optional :dry_run, type: Boolean, desc: "Defaults to true for safety reasons. It performs a dry run where no actual deletion will be performed. Set to false to actually delete the environment", default: true
       end
       delete ":id/environments/review_apps" do
         authorize! :read_environment, user_project
@@ -107,12 +135,17 @@ module API
         end
       end
 
-      desc 'Deletes an existing environment' do
-        detail 'This feature was introduced in GitLab 8.11.'
+      desc 'Delete an environment' do
+        detail 'It returns 204 if the environment was successfully deleted, and 404 if the environment does not exist. This feature was introduced in GitLab 8.11.'
         success Entities::Environment
+        failure [
+          { code: 403, message: 'Unauthenticated' },
+          { code: 404, message: 'Not found' }
+        ]
+        tags %w[environments]
       end
       params do
-        requires :environment_id, type: Integer, desc: 'The environment ID'
+        requires :environment_id, type: Integer, desc: 'The ID of the environment'
       end
       delete ':id/environments/:environment_id' do
         authorize! :read_environment, user_project
@@ -123,12 +156,18 @@ module API
         destroy_conditionally!(environment)
       end
 
-      desc 'Stops an existing environment' do
+      desc 'Stop an environment' do
+        detail 'It returns 200 if the environment was successfully stopped, and 404 if the environment does not exist.'
         success Entities::Environment
+        failure [
+          { code: 403, message: 'Unauthenticated' },
+          { code: 404, message: 'Not found' }
+        ]
+        tags %w[environments]
       end
       params do
-        requires :environment_id, type: Integer, desc: 'The environment ID'
-        optional :force, type: Boolean, default: false
+        requires :environment_id, type: Integer, desc: 'The ID of the environment'
+        optional :force, type: Boolean, default: false, desc: 'Force environment to stop without executing `on_stop` actions'
       end
       post ':id/environments/:environment_id/stop' do
         authorize! :read_environment, user_project
@@ -141,11 +180,16 @@ module API
         present environment, with: Entities::Environment, current_user: current_user
       end
 
-      desc 'Get a single environment' do
+      desc 'Get a specific environment' do
         success Entities::Environment
+        failure [
+          { code: 403, message: 'Unauthenticated' },
+          { code: 404, message: 'Not found' }
+        ]
+        tags %w[environments]
       end
       params do
-        requires :environment_id, type: Integer, desc: 'The environment ID'
+        requires :environment_id, type: Integer, desc: 'The ID of the environment'
       end
       get ':id/environments/:environment_id' do
         authorize! :read_environment, user_project
diff --git a/lib/api/feature_flags_user_lists.rb b/lib/api/feature_flags_user_lists.rb
index f4771c07260..c5060eae763 100644
--- a/lib/api/feature_flags_user_lists.rb
+++ b/lib/api/feature_flags_user_lists.rb
@@ -16,16 +16,19 @@ module API
     end
 
     params do
-      requires :id, type: String, desc: 'The ID of a project'
+      requires :id, types: [String, Integer], desc: 'The ID or URL-encoded path of the project'
     end
     resource 'projects/:id', requirements: API::NAMESPACE_OR_PROJECT_REQUIREMENTS do
       resource :feature_flags_user_lists do
-        desc 'Get all feature flags user lists of a project' do
-          detail 'This feature was introduced in GitLab 12.10'
+        desc 'List all feature flag user lists for a project' do
+          detail 'Gets all feature flag user lists for the requested project. ' \
+                 'This feature was introduced in GitLab 12.10.'
           success ::API::Entities::FeatureFlag::UserList
+          is_array true
+          tags %w[feature_flags_user_lists]
         end
         params do
-          optional :search, type: String, desc: 'Returns the list of user lists matching the search critiera'
+          optional :search, type: String, desc: 'Return user lists matching the search criteria'
 
           use :pagination
         end
@@ -35,9 +38,10 @@ module API
             with: ::API::Entities::FeatureFlag::UserList
         end
 
-        desc 'Create a feature flags user list for a project' do
-          detail 'This feature was introduced in GitLab 12.10'
+        desc 'Create a feature flag user list' do
+          detail 'Creates a feature flag user list. This feature was introduced in GitLab 12.10.'
           success ::API::Entities::FeatureFlag::UserList
+          tags %w[feature_flags_user_lists]
         end
         params do
           requires :name, type: String, desc: 'The name of the list'
@@ -59,12 +63,13 @@ module API
       end
 
       params do
-        requires :iid, type: String, desc: 'The internal ID of the user list'
+        requires :iid, types: [String, Integer], desc: "The internal ID of the project's feature flag user list"
       end
       resource 'feature_flags_user_lists/:iid' do
-        desc 'Get a single feature flag user list belonging to a project' do
-          detail 'This feature was introduced in GitLab 12.10'
+        desc 'Get a feature flag user list' do
+          detail 'Gets a feature flag user list. This feature was introduced in GitLab 12.10.'
           success ::API::Entities::FeatureFlag::UserList
+          tags %w[feature_flags_user_lists]
         end
         get do
           present user_project.operations_feature_flags_user_lists.find_by_iid!(params[:iid]),
@@ -72,8 +77,9 @@ module API
         end
 
         desc 'Update a feature flag user list' do
-          detail 'This feature was introduced in GitLab 12.10'
+          detail 'Updates a feature flag user list. This feature was introduced in GitLab 12.10.'
           success ::API::Entities::FeatureFlag::UserList
+          tags %w[feature_flags_user_lists]
         end
         params do
           optional :name, type: String, desc: 'The name of the list'
@@ -93,8 +99,9 @@ module API
           end
         end
 
-        desc 'Delete a feature flag user list' do
-          detail 'This feature was introduced in GitLab 12.10'
+        desc 'Delete feature flag user list' do
+          detail 'Deletes a feature flag user list. This feature was introduced in GitLab 12.10.'
+          tags %w[feature_flags_user_lists]
         end
         delete do
           # TODO: Move the business logic to a service class in app/services/feature_flags.
diff --git a/lib/gitlab/database/query_analyzer.rb b/lib/gitlab/database/query_analyzer.rb
index 6f64d04270f..1280789b30c 100644
--- a/lib/gitlab/database/query_analyzer.rb
+++ b/lib/gitlab/database/query_analyzer.rb
@@ -86,7 +86,11 @@ module Gitlab
         analyzers.each do |analyzer|
           next if analyzer.suppressed? && !analyzer.requires_tracking?(parsed)
 
-          analyzer.analyze(parsed)
+          if analyzer.raw?
+            analyzer.analyze(sql)
+          else
+            analyzer.analyze(parsed)
+          end
         rescue StandardError, ::Gitlab::Database::QueryAnalyzers::Base::QueryAnalyzerError => e
           # We catch all standard errors to prevent validation errors to introduce fatal errors in production
           Gitlab::ErrorTracking.track_and_raise_for_dev_exception(e)
diff --git a/lib/gitlab/database/query_analyzers/base.rb b/lib/gitlab/database/query_analyzers/base.rb
index 9a52a4f6e23..9c2c228f869 100644
--- a/lib/gitlab/database/query_analyzers/base.rb
+++ b/lib/gitlab/database/query_analyzers/base.rb
@@ -53,6 +53,10 @@ module Gitlab
           Thread.current[self.context_key]
         end
 
+        def self.raw?
+          false
+        end
+
         def self.enabled?
           raise NotImplementedError
         end
diff --git a/lib/gitlab/database/query_analyzers/query_recorder.rb b/lib/gitlab/database/query_analyzers/query_recorder.rb
new file mode 100644
index 00000000000..88fe829c3d2
--- /dev/null
+++ b/lib/gitlab/database/query_analyzers/query_recorder.rb
@@ -0,0 +1,45 @@
+# frozen_string_literal: true
+
+module Gitlab
+  module Database
+    module QueryAnalyzers
+      class QueryRecorder < Base
+        LOG_FILE = 'rspec/query_recorder.ndjson'
+
+        class << self
+          def raw?
+            true
+          end
+
+          def enabled?
+            # Only enable QueryRecorder in CI
+            ENV['CI'].present?
+          end
+
+          def analyze(sql)
+            payload = {
+              sql: sql
+            }
+
+            log_query(payload)
+          end
+
+          private
+
+          def log_query(payload)
+            log_path = Rails.root.join(LOG_FILE)
+            log_dir = File.dirname(log_path)
+
+            # Create log directory if it does not exist since it is only created
+            # ahead of time by certain CI jobs
+            FileUtils.mkdir_p(log_dir) unless Dir.exist?(log_dir)
+
+            log_line = "#{Gitlab::Json.dump(payload)}\n"
+
+            File.write(log_path, log_line, mode: 'a')
+          end
+        end
+      end
+    end
+  end
+end
diff --git a/locale/gitlab.pot b/locale/gitlab.pot
index e86ce08a1ce..4d73fcd48fa 100644
--- a/locale/gitlab.pot
+++ b/locale/gitlab.pot
@@ -4548,9 +4548,6 @@ msgstr ""
 msgid "Analytics"
 msgstr ""
 
-msgid "AnalyticsDashboards|Dashboards"
-msgstr ""
-
 msgid "Analyze your dependencies for known vulnerabilities."
 msgstr ""
 
@@ -25468,6 +25465,9 @@ msgstr ""
 msgid "Merge requests are a place to propose changes you've made to a project and discuss those changes with others"
 msgstr ""
 
+msgid "Merge requests can't be merged if the status checks did not succeed or are still running."
+msgstr ""
+
 msgid "Merge the feature branch into the target branch and fix any conflicts. %{linkStart}How do I fix them?%{linkEnd}"
 msgstr ""
 
@@ -32060,6 +32060,9 @@ msgstr ""
 msgid "ProjectSettings|Squashing is never performed and the checkbox is hidden."
 msgstr ""
 
+msgid "ProjectSettings|Status checks must succeed"
+msgstr ""
+
 msgid "ProjectSettings|Submit changes to be merged upstream."
 msgstr ""
 
diff --git a/spec/frontend/integrations/edit/components/trigger_fields_spec.js b/spec/frontend/integrations/edit/components/trigger_fields_spec.js
index c329ca8522f..082eeea30f1 100644
--- a/spec/frontend/integrations/edit/components/trigger_fields_spec.js
+++ b/spec/frontend/integrations/edit/components/trigger_fields_spec.js
@@ -1,5 +1,6 @@
 import { GlFormGroup, GlFormCheckbox, GlFormInput } from '@gitlab/ui';
 import { mountExtended } from 'helpers/vue_test_utils_helper';
+import { placeholderForType } from 'jh_else_ce/integrations/constants';
 
 import TriggerFields from '~/integrations/edit/components/trigger_fields.vue';
 
@@ -28,6 +29,50 @@ describe('TriggerFields', () => {
   const findAllGlFormCheckboxes = () => wrapper.findAllComponents(GlFormCheckbox);
   const findAllGlFormInputs = () => wrapper.findAllComponents(GlFormInput);
 
+  describe('placeholder text on the event fields and default values', () => {
+    const dummyFieldPlaceholder = '#foo';
+    const integrationTypes = {
+      INTEGRATION_TYPE_SLACK: 'slack',
+      INTEGRATION_TYPE_SLACK_APPLICATION: 'gitlab_slack_application',
+      INTEGRATION_TYPE_MATTERMOST: 'mattermost',
+      INTEGRATION_TYPE_NON_EXISTING: 'non_existing',
+    };
+    it.each`
+      integrationType                                        | fieldPlaceholder         | expectedPlaceholder
+      ${integrationTypes.INTEGRATION_TYPE_SLACK}             | ${undefined}             | ${placeholderForType[integrationTypes.INTEGRATION_TYPE_SLACK]}
+      ${integrationTypes.INTEGRATION_TYPE_SLACK}             | ${''}                    | ${placeholderForType[integrationTypes.INTEGRATION_TYPE_SLACK]}
+      ${integrationTypes.INTEGRATION_TYPE_SLACK}             | ${dummyFieldPlaceholder} | ${dummyFieldPlaceholder}
+      ${integrationTypes.INTEGRATION_TYPE_SLACK_APPLICATION} | ${undefined}             | ${placeholderForType[integrationTypes.INTEGRATION_TYPE_SLACK_APPLICATION]}
+      ${integrationTypes.INTEGRATION_TYPE_SLACK_APPLICATION} | ${''}                    | ${placeholderForType[integrationTypes.INTEGRATION_TYPE_SLACK_APPLICATION]}
+      ${integrationTypes.INTEGRATION_TYPE_SLACK_APPLICATION} | ${dummyFieldPlaceholder} | ${dummyFieldPlaceholder}
+      ${integrationTypes.INTEGRATION_TYPE_MATTERMOST}        | ${undefined}             | ${placeholderForType[integrationTypes.INTEGRATION_TYPE_MATTERMOST]}
+      ${integrationTypes.INTEGRATION_TYPE_MATTERMOST}        | ${''}                    | ${placeholderForType[integrationTypes.INTEGRATION_TYPE_MATTERMOST]}
+      ${integrationTypes.INTEGRATION_TYPE_MATTERMOST}        | ${dummyFieldPlaceholder} | ${dummyFieldPlaceholder}
+      ${integrationTypes.INTEGRATION_TYPE_NON_EXISTING}      | ${undefined}             | ${undefined}
+      ${integrationTypes.INTEGRATION_TYPE_NON_EXISTING}      | ${''}                    | ${undefined}
+      ${integrationTypes.INTEGRATION_TYPE_NON_EXISTING}      | ${dummyFieldPlaceholder} | ${dummyFieldPlaceholder}
+    `(
+      'passed down correct placeholder for "$integrationType" type and "$fieldPlaceholder" placeholder on the field',
+      ({ integrationType, fieldPlaceholder, expectedPlaceholder }) => {
+        createComponent({
+          type: integrationType,
+          events: [
+            {
+              field: {
+                name: 'foo',
+                value: '',
+                placeholder: fieldPlaceholder,
+              },
+            },
+          ],
+        });
+        const field = wrapper.findComponent(GlFormInput);
+
+        expect(field.attributes('placeholder')).toBe(expectedPlaceholder);
+      },
+    );
+  });
+
   describe.each([true, false])('template, isInheriting = `%p`', (isInheriting) => {
     it('renders a label with text "Trigger"', () => {
       createComponent();
diff --git a/spec/lib/gitlab/database/query_analyzer_spec.rb b/spec/lib/gitlab/database/query_analyzer_spec.rb
index 0b849063562..6dc9ffc4aba 100644
--- a/spec/lib/gitlab/database/query_analyzer_spec.rb
+++ b/spec/lib/gitlab/database/query_analyzer_spec.rb
@@ -10,6 +10,7 @@ RSpec.describe Gitlab::Database::QueryAnalyzer, query_analyzers: false do
   before do
     allow(described_class.instance).to receive(:all_analyzers).and_return([analyzer, disabled_analyzer])
     allow(analyzer).to receive(:enabled?).and_return(true)
+    allow(analyzer).to receive(:raw?).and_return(false)
     allow(analyzer).to receive(:suppressed?).and_return(false)
     allow(analyzer).to receive(:begin!)
     allow(analyzer).to receive(:end!)
@@ -181,6 +182,13 @@ RSpec.describe Gitlab::Database::QueryAnalyzer, query_analyzers: false do
       expect { process_sql("SELECT 1 FROM projects") }.not_to raise_error
     end
 
+    it 'does call analyze with raw sql when raw? is true' do
+      expect(analyzer).to receive(:raw?).and_return(true)
+      expect(analyzer).to receive(:analyze).with('SELECT 1 FROM projects')
+
+      expect { process_sql("SELECT 1 FROM projects") }.not_to raise_error
+    end
+
     def process_sql(sql)
       described_class.instance.within do
         ApplicationRecord.load_balancer.read_write do |connection|
diff --git a/spec/lib/gitlab/database/query_analyzers/query_recorder_spec.rb b/spec/lib/gitlab/database/query_analyzers/query_recorder_spec.rb
new file mode 100644
index 00000000000..ec01ae623ae
--- /dev/null
+++ b/spec/lib/gitlab/database/query_analyzers/query_recorder_spec.rb
@@ -0,0 +1,38 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+
+RSpec.describe Gitlab::Database::QueryAnalyzers::QueryRecorder, query_analyzers: false do
+  # We keep only the QueryRecorder analyzer running
+  around do |example|
+    described_class.with_suppressed(false) do
+      example.run
+    end
+  end
+
+  context 'when analyzer is enabled for tests' do
+    let(:query) { 'SELECT 1 FROM projects' }
+    let(:log_path) { Rails.root.join(described_class::LOG_FILE) }
+
+    before do
+      stub_env('CI', 'true')
+
+      # This is needed to be able to stub_env the CI variable
+      ::Gitlab::Database::QueryAnalyzer.instance.begin!([described_class])
+    end
+
+    after do
+      ::Gitlab::Database::QueryAnalyzer.instance.end!([described_class])
+    end
+
+    it 'logs queries to a file' do
+      allow(FileUtils).to receive(:mkdir_p)
+        .with(File.dirname(log_path))
+      expect(File).to receive(:write)
+        .with(log_path, /^{"sql":"#{query}/, mode: 'a')
+      expect(described_class).to receive(:analyze).with(/^#{query}/).and_call_original
+
+      expect { ApplicationRecord.connection.execute(query) }.not_to raise_error
+    end
+  end
+end
diff --git a/spec/support/database/query_recorder.rb b/spec/support/database/query_recorder.rb
new file mode 100644
index 00000000000..1050120e528
--- /dev/null
+++ b/spec/support/database/query_recorder.rb
@@ -0,0 +1,9 @@
+# frozen_string_literal: true
+
+RSpec.configure do |config|
+  # Truncate the query_recorder log file before starting the suite
+  config.before(:suite) do
+    log_path = Rails.root.join(Gitlab::Database::QueryAnalyzers::QueryRecorder::LOG_FILE)
+    File.write(log_path, '') if File.exist?(log_path)
+  end
+end