Add latest changes from gitlab-org/gitlab@master

Gemfile

@@ -425,7 +425,7 @@ gem 'gitlab-mail_room', '~> 0.0.3', require: 'mail_room'
 gem 'email_reply_trimmer', '~> 0.1'
 gem 'html2text'
 
-gem 'ruby-prof', '~> 1.0.0'
+gem 'ruby-prof', '~> 1.3.0'
 gem 'stackprof', '~> 0.2.15', require: false
 gem 'rbtrace', '~> 0.4', require: false
 gem 'memory_profiler', '~> 0.9', require: false

Gemfile.lock

@@ -951,7 +951,7 @@ GEM
       i18n
     ruby-fogbugz (0.2.1)
       crack (~> 0.4)
-    ruby-prof (1.0.0)
+    ruby-prof (1.3.1)
     ruby-progressbar (1.10.1)
     ruby-saml (1.7.2)
       nokogiri (>= 1.5.10)
@@ -1358,7 +1358,7 @@ DEPENDENCIES
   rubocop-performance (~> 1.4.1)
   rubocop-rspec (~> 1.37.0)
   ruby-fogbugz (~> 0.2.1)
-  ruby-prof (~> 1.0.0)
+  ruby-prof (~> 1.3.0)
   ruby-progressbar
   ruby_parser (~> 3.8)
   rubyzip (~> 2.0.0)

app/models/concerns/bulk_insert_safe.rb

@@ -68,6 +68,9 @@ module BulkInsertSafe
     # @param [Boolean] validate          Whether validations should run on [items]
     # @param [Integer] batch_size        How many items should at most be inserted at once
     # @param [Boolean] skip_duplicates   Marks duplicates as allowed, and skips inserting them
+    # @param [Symbol]  returns           Pass :ids to return an array with the primary key values
+    #                                    for all inserted records or nil to omit the underlying
+    #                                    RETURNING SQL clause entirely.
     # @param [Proc]    handle_attributes Block that will receive each item attribute hash
     #                                    prior to insertion for further processing
     #
@@ -78,10 +81,11 @@ module BulkInsertSafe
     #
     # @return true if operation succeeded, throws otherwise.
     #
-    def bulk_insert!(items, validate: true, skip_duplicates: false, batch_size: DEFAULT_BATCH_SIZE, &handle_attributes)
+    def bulk_insert!(items, validate: true, skip_duplicates: false, returns: nil, batch_size: DEFAULT_BATCH_SIZE, &handle_attributes)
       _bulk_insert_all!(items,
         validate: validate,
         on_duplicate: skip_duplicates ? :skip : :raise,
+        returns: returns,
         unique_by: nil,
         batch_size: batch_size,
         &handle_attributes)
@@ -94,6 +98,9 @@ module BulkInsertSafe
     # @param [Boolean] validate          Whether validations should run on [items]
     # @param [Integer] batch_size        How many items should at most be inserted at once
     # @param [Symbol/Array] unique_by    Defines index or columns to use to consider item duplicate
+    # @param [Symbol]  returns           Pass :ids to return an array with the primary key values
+    #                                    for all inserted or updated records or nil to omit the
+    #                                    underlying RETURNING SQL clause entirely.
     # @param [Proc]    handle_attributes Block that will receive each item attribute hash
     #                                    prior to insertion for further processing
     #
@@ -109,10 +116,11 @@ module BulkInsertSafe
     #
     # @return true if operation succeeded, throws otherwise.
     #
-    def bulk_upsert!(items, unique_by:, validate: true, batch_size: DEFAULT_BATCH_SIZE, &handle_attributes)
+    def bulk_upsert!(items, unique_by:, returns: nil, validate: true, batch_size: DEFAULT_BATCH_SIZE, &handle_attributes)
       _bulk_insert_all!(items,
         validate: validate,
         on_duplicate: :update,
+        returns: returns,
         unique_by: unique_by,
         batch_size: batch_size,
         &handle_attributes)
@@ -120,21 +128,30 @@ module BulkInsertSafe
 
     private
 
-    def _bulk_insert_all!(items, on_duplicate:, unique_by:, validate:, batch_size:, &handle_attributes)
-      return true if items.empty?
+    def _bulk_insert_all!(items, on_duplicate:, returns:, unique_by:, validate:, batch_size:, &handle_attributes)
+      return [] if items.empty?
+
+      returning =
+        case returns
+        when :ids
+          [primary_key]
+        when nil
+          false
+        else
+          raise ArgumentError, "returns needs to be :ids or nil"
+        end
 
       transaction do
-        items.each_slice(batch_size) do |item_batch|
+        items.each_slice(batch_size).flat_map do |item_batch|
           attributes = _bulk_insert_item_attributes(
             item_batch, validate, &handle_attributes)
 
           ActiveRecord::InsertAll
-            .new(self, attributes, on_duplicate: on_duplicate, unique_by: unique_by)
-            .execute
+              .new(self, attributes, on_duplicate: on_duplicate, returning: returning, unique_by: unique_by)
+              .execute
+              .pluck(primary_key)
         end
       end
-
-      true
     end
 
     def _bulk_insert_item_attributes(items, validate_items)

app/services/projects/import_export/export_service.rb

@@ -58,7 +58,7 @@ module Projects
       end
 
       def tree_saver_class
-        if ::Feature.enabled?(:streaming_serializer, project)
+        if ::Feature.enabled?(:streaming_serializer, project, default_enabled: true)
           Gitlab::ImportExport::Project::TreeSaver
         else
           # Once we remove :streaming_serializer feature flag, Project::LegacyTreeSaver should be removed as well

app/services/projects/prometheus/alerts/notify_service.rb

+# frozen_string_literal: true
+
+module Projects
+  module Prometheus
+    module Alerts
+      class NotifyService < BaseService
+        include Gitlab::Utils::StrongMemoize
+        include IncidentManagement::Settings
+
+        def execute(token)
+          return false unless valid_payload_size?
+          return false unless valid_version?
+          return false unless valid_alert_manager_token?(token)
+
+          persist_events
+          send_alert_email if send_email?
+          process_incident_issues if process_issues?
+
+          true
+        end
+
+        private
+
+        def valid_payload_size?
+          Gitlab::Utils::DeepSize.new(params).valid?
+        end
+
+        def send_email?
+          incident_management_setting.send_email && firings.any?
+        end
+
+        def firings
+          @firings ||= alerts_by_status('firing')
+        end
+
+        def alerts_by_status(status)
+          alerts.select { |alert| alert['status'] == status }
+        end
+
+        def alerts
+          params['alerts']
+        end
+
+        def valid_version?
+          params['version'] == '4'
+        end
+
+        def valid_alert_manager_token?(token)
+          valid_for_manual?(token) || valid_for_managed?(token)
+        end
+
+        def valid_for_manual?(token)
+          prometheus = project.find_or_initialize_service('prometheus')
+          return false unless prometheus.manual_configuration?
+
+          if setting = project.alerting_setting
+            compare_token(token, setting.token)
+          else
+            token.nil?
+          end
+        end
+
+        def valid_for_managed?(token)
+          prometheus_application = available_prometheus_application(project)
+          return false unless prometheus_application
+
+          if token
+            compare_token(token, prometheus_application.alert_manager_token)
+          else
+            prometheus_application.alert_manager_token.nil?
+          end
+        end
+
+        def available_prometheus_application(project)
+          alert_id = gitlab_alert_id
+          return unless alert_id
+
+          alert = find_alert(project, alert_id)
+          return unless alert
+
+          cluster = alert.environment.deployment_platform&.cluster
+          return unless cluster&.enabled?
+          return unless cluster.application_prometheus_available?
+
+          cluster.application_prometheus
+        end
+
+        def find_alert(project, metric)
+          Projects::Prometheus::AlertsFinder
+            .new(project: project, metric: metric)
+            .execute
+            .first
+        end
+
+        def gitlab_alert_id
+          alerts&.first&.dig('labels', 'gitlab_alert_id')
+        end
+
+        def compare_token(expected, actual)
+          return unless expected && actual
+
+          ActiveSupport::SecurityUtils.secure_compare(expected, actual)
+        end
+
+        def send_alert_email
+          notification_service
+            .async
+            .prometheus_alerts_fired(project, firings)
+        end
+
+        def process_incident_issues
+          alerts.each do |alert|
+            IncidentManagement::ProcessPrometheusAlertWorker
+              .perform_async(project.id, alert.to_h)
+          end
+        end
+
+        def persist_events
+          CreateEventsService.new(project, nil, params).execute
+        end
+      end
+    end
+  end
+end

changelogs/unreleased/211818-enable-streaming-serializer-ff.yml

+---
+title: Enable streaming serializer feature flag by default.
+merge_request: 27813
+author:
+type: performance

changelogs/unreleased/dblessing_okta_scim.yml

+---
+title: Add support for Okta as a SCIM provider
+merge_request: 25649
+author:
+type: added

config/initializers/active_record_schema_versions.rb

+# frozen_string_literal: true
+
+# Patch to use COPY in db/structure.sql when populating schema_migrations table
+# This is intended to reduce potential for merge conflicts in db/structure.sql
+ActiveRecord::ConnectionAdapters::PostgreSQLAdapter.prepend(Gitlab::Database::PostgresqlAdapter::SchemaVersionsCopyMixin)

db/structure.sql

@@ -11775,1023 +11775,1024 @@ ALTER TABLE ONLY public.timelogs
 ALTER TABLE ONLY public.timelogs
     ADD CONSTRAINT fk_timelogs_merge_requests_merge_request_id FOREIGN KEY (merge_request_id) REFERENCES public.merge_requests(id) ON DELETE CASCADE;
 
-INSERT INTO "schema_migrations" (version) VALUES
-('20171230123729'),
-('20180101160629'),
-('20180101160630'),
-('20180102220145'),
-('20180103123548'),
-('20180104131052'),
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+\.
 

doc/development/chatops_on_gitlabcom.md

@@ -14,7 +14,7 @@ tasks such as:
 To request access to Chatops on GitLab.com:
 
 1. Log into <https://ops.gitlab.net/users/sign_in> **using the same username** as for GitLab.com (you may have to rename it).
-1. Ask in the [#production](https://gitlab.slack.com/messages/production) channel to add you by running `/chatops run member add <username> gitlab-com/chatops --ops`.
+1. Ask in the [#production](https://gitlab.slack.com/messages/production) channel for an existing member to add you to the `chatops` project in Ops. They can do it by running `/chatops run member add <username> gitlab-com/chatops --ops` command in that channel.
 
 NOTE: **Note:** If you had to change your username for GitLab.com on the first step, make sure [to reflect this information](https://gitlab.com/gitlab-com/www-gitlab-com#adding-yourself-to-the-team-page) on [the team page](https://about.gitlab.com/company/team/).
 

lib/api/releases.rb

@@ -150,6 +150,10 @@ module API
         authorize! :download_code, release
       end
 
+      def authorize_create_evidence!
+        # This is a separate method so that EE can extend its behaviour
+      end
+
       def release
         @release ||= user_project.releases.find_by_tag(params[:tag])
       end

lib/gitlab/database/postgresql_adapter/schema_versions_copy_mixin.rb

+# frozen_string_literal: true
+
+module Gitlab
+  module Database
+    module PostgresqlAdapter
+      module SchemaVersionsCopyMixin
+        extend ActiveSupport::Concern
+
+        def dump_schema_information # :nodoc:
+          versions = schema_migration.all_versions
+          copy_versions_sql(versions) if versions.any?
+        end
+
+        private
+
+        def copy_versions_sql(versions)
+          sm_table = quote_table_name(schema_migration.table_name)
+
+          sql = +"COPY #{sm_table} (version) FROM STDIN;\n"
+          sql << versions.map { |v| Integer(v) }.sort.join("\n")
+          sql << "\n\\.\n"
+
+          sql
+        end
+      end
+    end
+  end
+end

lib/gitlab/profiler.rb

@@ -168,9 +168,9 @@ module Gitlab
     # rubocop: enable CodeReuse/ActiveRecord
 
     def self.print_by_total_time(result, options = {})
-      default_options = { sort_method: :total_time }
+      default_options = { sort_method: :total_time, filter_by: :total_time }
 
-      Gitlab::Profiler::TotalTimeFlatPrinter.new(result).print(STDOUT, default_options.merge(options))
+      RubyProf::FlatPrinter.new(result).print(STDOUT, default_options.merge(options))
     end
   end
 end

lib/gitlab/profiler/total_time_flat_printer.rb

-# frozen_string_literal: true
-
-module Gitlab
-  module Profiler
-    class TotalTimeFlatPrinter < RubyProf::FlatPrinter
-      def max_percent
-        @options[:max_percent] || 100
-      end
-
-      # Copied from:
-      #   <https://github.com/ruby-prof/ruby-prof/blob/master/lib/ruby-prof/printers/flat_printer.rb>
-      #
-      # The changes are just to filter by total time, not self time, and add a
-      # max_percent option as well.
-      def print_methods(thread)
-        total_time = thread.total_time
-        methods = thread.methods.sort_by(&sort_method).reverse
-
-        sum = 0
-        methods.each do |method|
-          total_percent = (method.total_time / total_time) * 100
-          next if total_percent < min_percent
-          next if total_percent > max_percent
-
-          sum += method.self_time
-
-          @output << "%6.2f  %9.3f %9.3f %9.3f %9.3f %8d  %s%-30s %s\n" % [
-            method.self_time / total_time * 100, # %self
-            method.total_time,                   # total
-            method.self_time,                    # self
-            method.wait_time,                    # wait
-            method.children_time,                # children
-            method.called,                       # calls
-            method.recursive? ? "*" : " ",       # cycle
-            method.full_name,                    # method_name
-            method_location(method)              # location
-          ]
-        end
-      end
-    end
-  end
-end

lib/gitlab/setup_helper.rb

@@ -4,75 +4,110 @@ require 'toml-rb'
 
 module Gitlab
   module SetupHelper
-    class << self
-      # We cannot create config.toml files for all possible Gitaly configuations.
-      # For instance, if Gitaly is running on another machine then it makes no
-      # sense to write a config.toml file on the current machine. This method will
-      # only generate a configuration for the most common and simplest case: when
-      # we have exactly one Gitaly process and we are sure it is running locally
-      # because it uses a Unix socket.
-      # For development and testing purposes, an extra storage is added to gitaly,
-      # which is not known to Rails, but must be explicitly stubbed.
-      def gitaly_configuration_toml(gitaly_dir, storage_paths, gitaly_ruby: true)
-        storages = []
-        address = nil
-
-        Gitlab.config.repositories.storages.each do |key, val|
-          if address
-            if address != val['gitaly_address']
-              raise ArgumentError, "Your gitlab.yml contains more than one gitaly_address."
+    def create_configuration(dir, storage_paths, force: false)
+      generate_configuration(
+        configuration_toml(dir, storage_paths),
+        get_config_path(dir),
+        force: force
+      )
+    end
+
+    # rubocop:disable Rails/Output
+    def generate_configuration(toml_data, config_path, force: false)
+      FileUtils.rm_f(config_path) if force
+
+      File.open(config_path, File::WRONLY | File::CREAT | File::EXCL) do |f|
+        f.puts toml_data
+      end
+    rescue Errno::EEXIST
+      puts 'Skipping config.toml generation:'
+      puts 'A configuration file already exists.'
+    rescue ArgumentError => e
+      puts 'Skipping config.toml generation:'
+      puts e.message
+    end
+    # rubocop:enable Rails/Output
+
+    module Gitaly
+      extend Gitlab::SetupHelper
+      class << self
+        # We cannot create config.toml files for all possible Gitaly configuations.
+        # For instance, if Gitaly is running on another machine then it makes no
+        # sense to write a config.toml file on the current machine. This method will
+        # only generate a configuration for the most common and simplest case: when
+        # we have exactly one Gitaly process and we are sure it is running locally
+        # because it uses a Unix socket.
+        # For development and testing purposes, an extra storage is added to gitaly,
+        # which is not known to Rails, but must be explicitly stubbed.
+        def configuration_toml(gitaly_dir, storage_paths, gitaly_ruby: true)
+          storages = []
+          address = nil
+
+          Gitlab.config.repositories.storages.each do |key, val|
+            if address
+              if address != val['gitaly_address']
+                raise ArgumentError, "Your gitlab.yml contains more than one gitaly_address."
+              end
+            elsif URI(val['gitaly_address']).scheme != 'unix'
+              raise ArgumentError, "Automatic config.toml generation only supports 'unix:' addresses."
+            else
+              address = val['gitaly_address']
             end
-          elsif URI(val['gitaly_address']).scheme != 'unix'
-            raise ArgumentError, "Automatic config.toml generation only supports 'unix:' addresses."
-          else
-            address = val['gitaly_address']
+
+            storages << { name: key, path: storage_paths[key] }
           end
 
-          storages << { name: key, path: storage_paths[key] }
-        end
+          config = { socket_path: address.sub(/\Aunix:/, '') }
 
-        if Rails.env.test?
-          storage_path = Rails.root.join('tmp', 'tests', 'second_storage').to_s
-          storages << { name: 'test_second_storage', path: storage_path }
-        end
+          if Rails.env.test?
+            storage_path = Rails.root.join('tmp', 'tests', 'second_storage').to_s
+            storages << { name: 'test_second_storage', path: storage_path }
+
+            config[:auth] = { token: 'secret' }
+            # Compared to production, tests run in constrained environments. This
+            # number is meant to grow with the number of concurrent rails requests /
+            # sidekiq jobs, and concurrency will be low anyway in test.
+            config[:git] = { catfile_cache_size: 5 }
+          end
 
-        config = { socket_path: address.sub(/\Aunix:/, ''), storage: storages }
-        config[:auth] = { token: 'secret' } if Rails.env.test?
+          config[:storage] = storages
 
-        internal_socket_dir = File.join(gitaly_dir, 'internal_sockets')
-        FileUtils.mkdir(internal_socket_dir) unless File.exist?(internal_socket_dir)
-        config[:internal_socket_dir] = internal_socket_dir
+          internal_socket_dir = File.join(gitaly_dir, 'internal_sockets')
+          FileUtils.mkdir(internal_socket_dir) unless File.exist?(internal_socket_dir)
+          config[:internal_socket_dir] = internal_socket_dir
 
-        config[:'gitaly-ruby'] = { dir: File.join(gitaly_dir, 'ruby') } if gitaly_ruby
-        config[:'gitlab-shell'] = { dir: Gitlab.config.gitlab_shell.path }
-        config[:bin_dir] = Gitlab.config.gitaly.client_path
+          config[:'gitaly-ruby'] = { dir: File.join(gitaly_dir, 'ruby') } if gitaly_ruby
+          config[:'gitlab-shell'] = { dir: Gitlab.config.gitlab_shell.path }
+          config[:bin_dir] = Gitlab.config.gitaly.client_path
 
-        if Rails.env.test?
-          # Compared to production, tests run in constrained environments. This
-          # number is meant to grow with the number of concurrent rails requests /
-          # sidekiq jobs, and concurrency will be low anyway in test.
-          config[:git] = { catfile_cache_size: 5 }
+          TomlRB.dump(config)
         end
 
-        TomlRB.dump(config)
+        private
+
+        def get_config_path(dir)
+          File.join(dir, 'config.toml')
+        end
       end
+    end
+
+    module Praefect
+      extend Gitlab::SetupHelper
+      class << self
+        def configuration_toml(gitaly_dir, storage_paths)
+          nodes = [{ storage: 'default', address: "unix:#{gitaly_dir}/gitaly.socket", primary: true, token: 'secret' }]
+          config = { socket_path: "#{gitaly_dir}/praefect.socket", virtual_storage_name: 'default', token: 'secret', node: nodes }
+          config[:token] = 'secret' if Rails.env.test?
+
+          TomlRB.dump(config)
+        end
 
-      # rubocop:disable Rails/Output
-      def create_gitaly_configuration(dir, storage_paths, force: false)
-        config_path = File.join(dir, 'config.toml')
-        FileUtils.rm_f(config_path) if force
+        private
 
-        File.open(config_path, File::WRONLY | File::CREAT | File::EXCL) do |f|
-          f.puts gitaly_configuration_toml(dir, storage_paths)
+        def get_config_path(dir)
+          File.join(dir, 'praefect.config.toml')
         end
-      rescue Errno::EEXIST
-        puts "Skipping config.toml generation:"
-        puts "A configuration file already exists."
-      rescue ArgumentError => e
-        puts "Skipping config.toml generation:"
-        puts e.message
       end
-      # rubocop:enable Rails/Output
     end
   end
 end

lib/tasks/gitlab/gitaly.rake

@@ -27,7 +27,7 @@ Usage: rake "gitlab:gitaly:install[/installation/dir,/storage/path]")
       end
 
       storage_paths = { 'default' => args.storage_path }
-      Gitlab::SetupHelper.create_gitaly_configuration(args.dir, storage_paths)
+      Gitlab::SetupHelper::Gitaly.create_configuration(args.dir, storage_paths)
       Dir.chdir(args.dir) do
         # In CI we run scripts/gitaly-test-build instead of this command
         unless ENV['CI'].present?

lib/uploaded_file.rb

@@ -48,7 +48,7 @@ class UploadedFile
     return if path.blank? && remote_id.blank?
 
     file_path = nil
-    if path
+    if path.present?
       file_path = File.realpath(path)
 
       paths = Array(upload_paths) << Dir.tmpdir

package.json

@@ -40,7 +40,7 @@
     "@babel/preset-env": "^7.8.4",
     "@gitlab/at.js": "^1.5.5",
     "@gitlab/svgs": "^1.115.0",
-    "@gitlab/ui": "^10.0.0",
+    "@gitlab/ui": "^10.0.1",
     "@gitlab/visual-review-tools": "1.5.1",
     "@sentry/browser": "^5.10.2",
     "@sourcegraph/code-host-integration": "0.0.33",

qa/qa/specs/features/browser_ui/3_create/merge_request/rebase_merge_request_spec.rb

 # frozen_string_literal: true
 
 module QA
-  context 'Create', quarantine: { issue: 'https://gitlab.com/gitlab-org/gitlab/issues/36817', type: :bug } do
+  context 'Create', quarantine: { issue: 'https://gitlab.com/gitlab-org/gitlab/-/issues/30226', type: :bug } do
     describe 'Merge request rebasing' do
       it 'user rebases source branch of merge request' do
         Flow::Login.sign_in

scripts/gitaly-test-build

@@ -17,13 +17,16 @@ class GitalyTestBuild
     check_gitaly_config!
 
     # Starting gitaly further validates its configuration
-    pid = start_gitaly
-    Process.kill('TERM', pid)
+    gitaly_pid = start_gitaly
+    praefect_pid = start_praefect
+    Process.kill('TERM', gitaly_pid)
+    Process.kill('TERM', praefect_pid)
 
     # Make the 'gitaly' executable look newer than 'GITALY_SERVER_VERSION'.
     # Without this a gitaly executable created in the setup-test-env job
     # will look stale compared to GITALY_SERVER_VERSION.
     FileUtils.touch(File.join(tmp_tests_gitaly_dir, 'gitaly'), mtime: Time.now + (1 << 24))
+    FileUtils.touch(File.join(tmp_tests_gitaly_dir, 'praefect'), mtime: Time.now + (1 << 24))
   end
 end
 

scripts/gitaly-test-spawn

@@ -13,10 +13,9 @@ class GitalyTestSpawn
     # # Uncomment line below to see all gitaly logs merged into CI trace
     # spawn('sleep 1; tail -f log/gitaly-test.log')
 
-    pid = start_gitaly
-
     # In local development this pid file is used by rspec.
-    IO.write(File.expand_path('../tmp/tests/gitaly.pid', __dir__), pid)
+    IO.write(File.expand_path('../tmp/tests/gitaly.pid', __dir__), start_gitaly)
+    IO.write(File.expand_path('../tmp/tests/praefect.pid', __dir__), start_praefect)
   end
 end
 

scripts/gitaly_test.rb

@@ -37,16 +37,31 @@ module GitalyTest
     env_hash
   end
 
-  def config_path
-    File.join(tmp_tests_gitaly_dir, 'config.toml')
+  def config_path(service)
+    case service
+    when :gitaly
+      File.join(tmp_tests_gitaly_dir, 'config.toml')
+    when :praefect
+      File.join(tmp_tests_gitaly_dir, 'praefect.config.toml')
+    end
   end
 
   def start_gitaly
-    args = %W[#{tmp_tests_gitaly_dir}/gitaly #{config_path}]
-    pid = spawn(env, *args, [:out, :err] => 'log/gitaly-test.log')
+    start(:gitaly)
+  end
+
+  def start_praefect
+    start(:praefect)
+  end
+
+  def start(service)
+    args = ["#{tmp_tests_gitaly_dir}/#{service}"]
+    args.push("-config") if service == :praefect
+    args.push(config_path(service))
+    pid = spawn(env, *args, [:out, :err] => "log/#{service}-test.log")
 
     begin
-      try_connect!
+      try_connect!(service)
     rescue
       Process.kill('TERM', pid)
       raise
@@ -68,11 +83,11 @@ module GitalyTest
     abort 'bundle check failed' unless system(env, 'bundle', 'check', chdir: File.dirname(gemfile))
   end
 
-  def read_socket_path
+  def read_socket_path(service)
     # This code needs to work in an environment where we cannot use bundler,
     # so we cannot easily use the toml-rb gem. This ad-hoc parser should be
     # good enough.
-    config_text = IO.read(config_path)
+    config_text = IO.read(config_path(service))
 
     config_text.lines.each do |line|
       match_data = line.match(/^\s*socket_path\s*=\s*"([^"]*)"$/)
@@ -80,14 +95,14 @@ module GitalyTest
       return match_data[1] if match_data
     end
 
-    raise "failed to find socket_path in #{config_path}"
+    raise "failed to find socket_path in #{config_path(service)}"
   end
 
-  def try_connect!
-    print "Trying to connect to gitaly: "
+  def try_connect!(service)
+    print "Trying to connect to #{service}: "
     timeout = 20
     delay = 0.1
-    socket = read_socket_path
+    socket = read_socket_path(service)
 
     Integer(timeout / delay).times do
       UNIXSocket.new(socket)

spec/lib/gitlab/database/postgresql_adapter/schema_versions_copy_mixin_spec.rb

+# frozen_string_literal: true
+
+require 'spec_helper'
+
+describe Gitlab::Database::PostgresqlAdapter::SchemaVersionsCopyMixin do
+  let(:schema_migration) { double('schem_migration', table_name: table_name, all_versions: versions) }
+  let(:versions) { %w(5 2 1000 200 4 93 2) }
+  let(:table_name) { "schema_migrations" }
+
+  let(:instance) do
+    Object.new.extend(described_class)
+  end
+
+  before do
+    allow(instance).to receive(:schema_migration).and_return(schema_migration)
+    allow(instance).to receive(:quote_table_name).with(table_name).and_return("\"#{table_name}\"")
+  end
+
+  subject { instance.dump_schema_information }
+
+  it 'uses COPY FROM STDIN' do
+    expect(subject.split("\n").first).to match(/COPY "schema_migrations" \(version\) FROM STDIN;/)
+  end
+
+  it 'contains a sorted list of versions by their numeric value' do
+    version_lines = subject.split("\n")[1..-2].map(&:to_i)
+
+    expect(version_lines).to eq(versions.map(&:to_i).sort)
+  end
+
+  it 'contains a end-of-data marker' do
+    expect(subject).to end_with("\\.\n")
+  end
+
+  context 'with non-Integer versions' do
+    let(:versions) { %w(5 2 4 abc) }
+
+    it 'raises an error' do
+      expect { subject }.to raise_error(/invalid value for Integer/)
+    end
+  end
+end

spec/lib/uploaded_file_spec.rb

@@ -59,6 +59,16 @@ describe UploadedFile do
           expect(subject.sha256).to eq('sha256')
           expect(subject.remote_id).to eq('remote_id')
         end
+
+        it 'handles a blank path' do
+          params['file.path'] = ''
+
+          # Not a real file, so can't determine size itself
+          params['file.size'] = 1.byte
+
+          expect { described_class.from_params(params, :file, upload_path) }
+            .not_to raise_error
+        end
       end
     end
 

spec/models/concerns/bulk_insert_safe_spec.rb

@@ -129,10 +129,37 @@ describe BulkInsertSafe do
         end.not_to change { described_class.count }
       end
 
-      it 'does nothing and returns true when items are empty' do
-        expect(described_class.bulk_insert!([])).to be(true)
+      it 'does nothing and returns an empty array when items are empty' do
+        expect(described_class.bulk_insert!([])).to eq([])
         expect(described_class.count).to eq(0)
       end
+
+      context 'with returns option set' do
+        context 'when is set to :ids' do
+          it 'return an array with the primary key values for all inserted records' do
+            items = described_class.valid_list(1)
+
+            expect(described_class.bulk_insert!(items, returns: :ids)).to contain_exactly(a_kind_of(Integer))
+          end
+        end
+
+        context 'when is set to nil' do
+          it 'returns an empty array' do
+            items = described_class.valid_list(1)
+
+            expect(described_class.bulk_insert!(items, returns: nil)).to eq([])
+          end
+        end
+
+        context 'when is set to anything else' do
+          it 'raises an error' do
+            items = described_class.valid_list(1)
+
+            expect { described_class.bulk_insert!([items], returns: [:id, :name]) }
+              .to raise_error(ArgumentError, "returns needs to be :ids or nil")
+          end
+        end
+      end
     end
 
     context 'when duplicate items are to be inserted' do

spec/requests/api/releases_spec.rb

@@ -6,6 +6,7 @@ describe API::Releases do
   let(:project) { create(:project, :repository, :private) }
   let(:maintainer) { create(:user) }
   let(:reporter) { create(:user) }
+  let(:developer) { create(:user) }
   let(:guest) { create(:user) }
   let(:non_project_member) { create(:user) }
   let(:commit) { create(:commit, project: project) }
@@ -15,6 +16,7 @@ describe API::Releases do
     project.add_maintainer(maintainer)
     project.add_reporter(reporter)
     project.add_guest(guest)
+    project.add_developer(developer)
 
     project.repository.add_tag(maintainer, 'v0.1', commit.id)
     project.repository.add_tag(maintainer, 'v0.2', commit.id)
@@ -248,6 +250,24 @@ describe API::Releases do
           .to match_array(release.sources.map(&:url))
       end
 
+      context 'with evidence' do
+        let!(:evidence) { create(:evidence, release: release) }
+
+        it 'returns the evidence' do
+          get api("/projects/#{project.id}/releases/v0.1", maintainer)
+
+          expect(json_response['evidences'].count).to eq(1)
+        end
+
+        it '#collected_at' do
+          Timecop.freeze(Time.now.round) do
+            get api("/projects/#{project.id}/releases/v0.1", maintainer)
+
+            expect(json_response['evidences'].first['collected_at'].to_datetime.to_i).to be_within(1.minute).of(release.evidences.first.created_at.to_i)
+          end
+        end
+      end
+
       context 'when release has link asset' do
         let!(:link) do
           create(:release_link,

spec/services/projects/prometheus/alerts/notify_service_spec.rb

+# frozen_string_literal: true
+
+require 'spec_helper'
+
+describe Projects::Prometheus::Alerts::NotifyService do
+  let_it_be(:project, reload: true) { create(:project) }
+
+  let(:service) { described_class.new(project, nil, payload) }
+  let(:token_input) { 'token' }
+
+  let!(:setting) do
+    create(:project_incident_management_setting, project: project, send_email: true, create_issue: true)
+  end
+
+  let(:subject) { service.execute(token_input) }
+
+  before do
+    # We use `let_it_be(:project)` so we make sure to clear caches
+    project.clear_memoization(:licensed_feature_available)
+  end
+
+  shared_examples 'sends notification email' do
+    let(:notification_service) { spy }
+
+    it 'sends a notification for firing alerts only' do
+      expect(NotificationService)
+        .to receive(:new)
+        .and_return(notification_service)
+
+      expect(notification_service)
+        .to receive_message_chain(:async, :prometheus_alerts_fired)
+
+      expect(subject).to eq(true)
+    end
+  end
+
+  shared_examples 'processes incident issues' do |amount|
+    let(:create_incident_service) { spy }
+
+    it 'processes issues' do
+      expect(IncidentManagement::ProcessPrometheusAlertWorker)
+        .to receive(:perform_async)
+        .with(project.id, kind_of(Hash))
+        .exactly(amount).times
+
+      Sidekiq::Testing.inline! do
+        expect(subject).to eq(true)
+      end
+    end
+  end
+
+  shared_examples 'does not process incident issues' do
+    it 'does not process issues' do
+      expect(IncidentManagement::ProcessPrometheusAlertWorker)
+        .not_to receive(:perform_async)
+
+      expect(subject).to eq(true)
+    end
+  end
+
+  shared_examples 'persists events' do
+    let(:create_events_service) { spy }
+
+    it 'persists events' do
+      expect(Projects::Prometheus::Alerts::CreateEventsService)
+        .to receive(:new)
+        .and_return(create_events_service)
+
+      expect(create_events_service)
+        .to receive(:execute)
+
+      expect(subject).to eq(true)
+    end
+  end
+
+  shared_examples 'notifies alerts' do
+    it_behaves_like 'sends notification email'
+    it_behaves_like 'persists events'
+  end
+
+  shared_examples 'no notifications' do
+    let(:notification_service) { spy }
+    let(:create_events_service) { spy }
+
+    it 'does not notify' do
+      expect(notification_service).not_to receive(:async)
+      expect(create_events_service).not_to receive(:execute)
+
+      expect(subject).to eq(false)
+    end
+  end
+
+  context 'with valid payload' do
+    let(:alert_firing) { create(:prometheus_alert, project: project) }
+    let(:alert_resolved) { create(:prometheus_alert, project: project) }
+    let(:payload_raw) { payload_for(firing: [alert_firing], resolved: [alert_resolved]) }
+    let(:payload) { ActionController::Parameters.new(payload_raw).permit! }
+    let(:payload_alert_firing) { payload_raw['alerts'].first }
+    let(:token) { 'token' }
+
+    context 'with project specific cluster' do
+      using RSpec::Parameterized::TableSyntax
+
+      where(:cluster_enabled, :status, :configured_token, :token_input, :result) do
+        true  | :installed | token | token | :success
+        true  | :installed | nil   | nil   | :success
+        true  | :updated   | token | token | :success
+        true  | :updating  | token | token | :failure
+        true  | :installed | token | 'x'   | :failure
+        true  | :installed | nil   | token | :failure
+        true  | :installed | token | nil   | :failure
+        true  | nil        | token | token | :failure
+        false | :installed | token | token | :failure
+      end
+
+      with_them do
+        before do
+          cluster = create(:cluster, :provided_by_user,
+                           projects: [project],
+                           enabled: cluster_enabled)
+
+          if status
+            create(:clusters_applications_prometheus, status,
+                   cluster: cluster,
+                   alert_manager_token: configured_token)
+          end
+        end
+
+        case result = params[:result]
+        when :success
+          it_behaves_like 'notifies alerts'
+        when :failure
+          it_behaves_like 'no notifications'
+        else
+          raise "invalid result: #{result.inspect}"
+        end
+      end
+    end
+
+    context 'without project specific cluster' do
+      let!(:cluster) { create(:cluster, enabled: true) }
+
+      it_behaves_like 'no notifications'
+    end
+
+    context 'with manual prometheus installation' do
+      using RSpec::Parameterized::TableSyntax
+
+      where(:alerting_setting, :configured_token, :token_input, :result) do
+        true  | token | token | :success
+        true  | token | 'x'   | :failure
+        true  | token | nil   | :failure
+        false | nil   | nil   | :success
+        false | nil   | token | :failure
+      end
+
+      with_them do
+        let(:alert_manager_token) { token_input }
+
+        before do
+          create(:prometheus_service, project: project)
+
+          if alerting_setting
+            create(:project_alerting_setting,
+                   project: project,
+                   token: configured_token)
+          end
+        end
+
+        case result = params[:result]
+        when :success
+          it_behaves_like 'notifies alerts'
+        when :failure
+          it_behaves_like 'no notifications'
+        else
+          raise "invalid result: #{result.inspect}"
+        end
+      end
+    end
+
+    context 'alert emails' do
+      before do
+        create(:prometheus_service, project: project)
+        create(:project_alerting_setting, project: project, token: token)
+      end
+
+      context 'when incident_management_setting does not exist' do
+        let!(:setting) { nil }
+
+        it_behaves_like 'persists events'
+
+        it 'does not send notification email', :sidekiq_might_not_need_inline do
+          expect_any_instance_of(NotificationService)
+            .not_to receive(:async)
+
+          expect(subject).to eq(true)
+        end
+      end
+
+      context 'when incident_management_setting.send_email is true' do
+        it_behaves_like 'notifies alerts'
+      end
+
+      context 'incident_management_setting.send_email is false' do
+        let!(:setting) do
+          create(:project_incident_management_setting, send_email: false, project: project)
+        end
+
+        it_behaves_like 'persists events'
+
+        it 'does not send notification' do
+          expect(NotificationService).not_to receive(:new)
+
+          expect(subject).to eq(true)
+        end
+      end
+    end
+
+    context 'process incident issues' do
+      before do
+        create(:prometheus_service, project: project)
+        create(:project_alerting_setting, project: project, token: token)
+      end
+
+      context 'with create_issue setting enabled' do
+        before do
+          setting.update!(create_issue: true)
+        end
+
+        it_behaves_like 'processes incident issues', 2
+
+        context 'multiple firing alerts' do
+          let(:payload_raw) do
+            payload_for(firing: [alert_firing, alert_firing], resolved: [])
+          end
+
+          it_behaves_like 'processes incident issues', 2
+        end
+
+        context 'without firing alerts' do
+          let(:payload_raw) do
+            payload_for(firing: [], resolved: [alert_resolved])
+          end
+
+          it_behaves_like 'processes incident issues', 1
+        end
+      end
+
+      context 'with create_issue setting disabled' do
+        before do
+          setting.update!(create_issue: false)
+        end
+
+        it_behaves_like 'does not process incident issues'
+      end
+    end
+  end
+
+  context 'with invalid payload' do
+    context 'without version' do
+      let(:payload) { {} }
+
+      it_behaves_like 'no notifications'
+    end
+
+    context 'when version is not "4"' do
+      let(:payload) { { 'version' => '5' } }
+
+      it_behaves_like 'no notifications'
+    end
+
+    context 'with missing alerts' do
+      let(:payload) { { 'version' => '4' } }
+
+      it_behaves_like 'no notifications'
+    end
+
+    context 'when the payload is too big' do
+      let(:payload) { { 'the-payload-is-too-big' => true } }
+      let(:deep_size_object) { instance_double(Gitlab::Utils::DeepSize, valid?: false) }
+
+      before do
+        allow(Gitlab::Utils::DeepSize).to receive(:new).and_return(deep_size_object)
+      end
+
+      it_behaves_like 'no notifications'
+
+      it 'does not process issues' do
+        expect(IncidentManagement::ProcessPrometheusAlertWorker)
+          .not_to receive(:perform_async)
+
+        subject
+      end
+    end
+  end
+
+  private
+
+  def payload_for(firing: [], resolved: [])
+    status = firing.any? ? 'firing' : 'resolved'
+    alerts = firing + resolved
+    alert_name = alerts.first.title
+    prometheus_metric_id = alerts.first.prometheus_metric_id.to_s
+
+    alerts_map = \
+      firing.map { |alert| map_alert_payload('firing', alert) } +
+      resolved.map { |alert| map_alert_payload('resolved', alert) }
+
+    # See https://prometheus.io/docs/alerting/configuration/#%3Cwebhook_config%3E
+    {
+      'version' => '4',
+      'receiver' => 'gitlab',
+      'status' => status,
+      'alerts' => alerts_map,
+      'groupLabels' => {
+        'alertname' => alert_name
+      },
+      'commonLabels' => {
+        'alertname' => alert_name,
+        'gitlab' => 'hook',
+        'gitlab_alert_id' => prometheus_metric_id
+      },
+      'commonAnnotations' => {},
+      'externalURL' => '',
+      'groupKey' => "{}:{alertname=\'#{alert_name}\'}"
+    }
+  end
+
+  def map_alert_payload(status, alert)
+    {
+      'status' => status,
+      'labels' => {
+        'alertname' => alert.title,
+        'gitlab' => 'hook',
+        'gitlab_alert_id' => alert.prometheus_metric_id.to_s
+      },
+      'annotations' => {},
+      'startsAt' => '2018-09-24T08:57:31.095725221Z',
+      'endsAt' => '0001-01-01T00:00:00Z',
+      'generatorURL' => 'http://prometheus-prometheus-server-URL'
+    }
+  end
+end

spec/support/helpers/test_env.rb

 # frozen_string_literal: true
 
 require 'rspec/mocks'
-require 'toml-rb'
 
 module TestEnv
   extend ActiveSupport::Concern
@@ -87,7 +86,7 @@ module TestEnv
     'conflict-resolvable-fork'   => '404fa3f'
   }.freeze
 
-  TMP_TEST_PATH = Rails.root.join('tmp', 'tests', '**')
+  TMP_TEST_PATH = Rails.root.join('tmp', 'tests').freeze
   REPOS_STORAGE = 'default'.freeze
   SECOND_STORAGE_PATH = Rails.root.join('tmp', 'tests', 'second_storage')
 
@@ -140,7 +139,7 @@ module TestEnv
   #
   # Keeps gitlab-shell and gitlab-test
   def clean_test_path
-    Dir[TMP_TEST_PATH].each do |entry|
+    Dir[File.join(TMP_TEST_PATH, '**')].each do |entry|
       unless test_dirs.include?(File.basename(entry))
         FileUtils.rm_rf(entry)
       end
@@ -164,7 +163,8 @@ module TestEnv
       install_dir: gitaly_dir,
       version: Gitlab::GitalyClient.expected_server_version,
       task: "gitlab:gitaly:install[#{install_gitaly_args}]") do
-        Gitlab::SetupHelper.create_gitaly_configuration(gitaly_dir, { 'default' => repos_path }, force: true)
+        Gitlab::SetupHelper::Gitaly.create_configuration(gitaly_dir, { 'default' => repos_path }, force: true)
+        Gitlab::SetupHelper::Praefect.create_configuration(gitaly_dir, { 'praefect' => repos_path }, force: true)
         start_gitaly(gitaly_dir)
       end
   end
@@ -192,17 +192,38 @@ module TestEnv
       end
     end
 
-    @gitaly_pid = Integer(File.read('tmp/tests/gitaly.pid'))
+    gitaly_pid = Integer(File.read(TMP_TEST_PATH.join('gitaly.pid')))
+    praefect_pid = Integer(File.read(TMP_TEST_PATH.join('praefect.pid')))
 
-    Kernel.at_exit { stop_gitaly }
+    Kernel.at_exit { stop(gitaly_pid) }
+    Kernel.at_exit { stop(praefect_pid) }
 
-    wait_gitaly
+    wait('gitaly')
+    wait('praefect')
   end
 
-  def wait_gitaly
+  def stop(pid)
+    Process.kill('KILL', pid)
+  rescue Errno::ESRCH
+    # The process can already be gone if the test run was INTerrupted.
+  end
+
+  def gitaly_url
+    ENV.fetch('GITALY_REPO_URL', nil)
+  end
+
+  def socket_path(service)
+    TMP_TEST_PATH.join('gitaly', "#{service}.socket").to_s
+  end
+
+  def praefect_socket_path
+    "unix:" + socket_path(:praefect)
+  end
+
+  def wait(service)
     sleep_time = 10
     sleep_interval = 0.1
-    socket = Gitlab::GitalyClient.address('default').sub('unix:', '')
+    socket = socket_path(service)
 
     Integer(sleep_time / sleep_interval).times do
       Socket.unix(socket)
@@ -211,19 +232,7 @@ module TestEnv
       sleep sleep_interval
     end
 
-    raise "could not connect to gitaly at #{socket.inspect} after #{sleep_time} seconds"
-  end
-
-  def stop_gitaly
-    return unless @gitaly_pid
-
-    Process.kill('KILL', @gitaly_pid)
-  rescue Errno::ESRCH
-    # The process can already be gone if the test run was INTerrupted.
-  end
-
-  def gitaly_url
-    ENV.fetch('GITALY_REPO_URL', nil)
+    raise "could not connect to #{service} at #{socket.inspect} after #{sleep_time} seconds"
   end
 
   def setup_workhorse

spec/support/praefect.rb

+# frozen_string_literal: true
+
+require_relative 'helpers/test_env'
+
+RSpec.configure do |config|
+  config.before(:each, :praefect) do
+    allow(Gitlab.config.repositories.storages['default']).to receive(:[]).and_call_original
+    allow(Gitlab.config.repositories.storages['default']).to receive(:[]).with('gitaly_address')
+      .and_return(TestEnv.praefect_socket_path)
+  end
+end

spec/support/shared_examples/models/concerns/bulk_insert_safe_shared_examples.rb

@@ -45,11 +45,11 @@ RSpec.shared_examples 'a BulkInsertSafe model' do |klass|
         expect { target_class.bulk_insert!(items) }.to change { target_class.count }.by(items.size)
       end
 
-      it 'returns true' do
+      it 'returns an empty array' do
         items = valid_items_for_bulk_insertion
 
         expect(items).not_to be_empty
-        expect(target_class.bulk_insert!(items)).to be true
+        expect(target_class.bulk_insert!(items)).to eq([])
       end
     end
 
@@ -69,7 +69,7 @@ RSpec.shared_examples 'a BulkInsertSafe model' do |klass|
 
         # it is not always possible to create invalid items
         if items.any?
-          expect(target_class.bulk_insert!(items, validate: false)).to be(true)
+          expect(target_class.bulk_insert!(items, validate: false)).to eq([])
           expect(target_class.count).to eq(items.size)
         end
       end

yarn.lock

@@ -786,10 +786,10 @@
   resolved "https://registry.yarnpkg.com/@gitlab/svgs/-/svgs-1.115.0.tgz#2762ad045d5a2bd728f74fcb4c00caa9bd6dbc22"
   integrity sha512-jlmNGqCTpSiPFrNbLaW6GGXNbvIShLdrpeYTtSEz/yFJMClQfPjHc8Zm9bl/PqAM5d/yGQqk8e+rBc4LeAhEfg==
 
-"@gitlab/ui@^10.0.0":
-  version "10.0.0"
-  resolved "https://registry.yarnpkg.com/@gitlab/ui/-/ui-10.0.0.tgz#dced1119237f328367e8c4922cf4e1ae986fac54"
-  integrity sha512-+qsojtfE5mhryjJyReXBY9C3J4s4jlRpHfEcaCFuhcebtq5Uhd6xgLwgxT+E7fMvtLQpGATMo1DiD80yhLb2pQ==
+"@gitlab/ui@^10.0.1":
+  version "10.0.1"
+  resolved "https://registry.yarnpkg.com/@gitlab/ui/-/ui-10.0.1.tgz#65deee8ded3b8d003dfd74cd93c7eb0549e11b37"
+  integrity sha512-RMOJjpZjmWJnu0ebfGJsPOn6/ko+HlfHYbBXBImpTIk6Xsr5AaRjT4yCYEoefZ55jK/SJ2nxHytqrMe26wjfDA==
   dependencies:
     "@babel/standalone" "^7.0.0"
     "@gitlab/vue-toasted" "^1.3.0"