Add latest changes from gitlab-org/gitlab@13-10-stable-eev13.10.0-rc40

65 files changed, 1321 insertions, 0 deletions

diff --git a/db/migrate/20200816133024_add_cve_id_request_project_setting.rb b/db/migrate/20200816133024_add_cve_id_request_project_setting.rb
new file mode 100644
index 00000000000..c4fe86845eb
--- /dev/null
+++ b/db/migrate/20200816133024_add_cve_id_request_project_setting.rb
@@ -0,0 +1,13 @@
+# frozen_string_literal: true
+
+class AddCveIdRequestProjectSetting < ActiveRecord::Migration[6.0]
+  DOWNTIME = false
+
+  def up
+    add_column :project_settings, :cve_id_request_enabled, :boolean, default: true, null: false
+  end
+
+  def down
+    remove_column :project_settings, :cve_id_request_enabled
+  end
+end
diff --git a/db/migrate/20201209163113_recreate_index_issue_email_participants_on_issue_id_and_email.rb b/db/migrate/20201209163113_recreate_index_issue_email_participants_on_issue_id_and_email.rb
new file mode 100644
index 00000000000..9cbf68fd63a
--- /dev/null
+++ b/db/migrate/20201209163113_recreate_index_issue_email_participants_on_issue_id_and_email.rb
@@ -0,0 +1,23 @@
+# frozen_string_literal: true
+
+class RecreateIndexIssueEmailParticipantsOnIssueIdAndEmail < ActiveRecord::Migration[6.0]
+  include Gitlab::Database::MigrationHelpers
+
+  DOWNTIME = false
+
+  disable_ddl_transaction!
+
+  OLD_INDEX_NAME = 'index_issue_email_participants_on_issue_id_and_email'
+  NEW_INDEX_NAME = 'index_issue_email_participants_on_issue_id_and_lower_email'
+
+  def up
+    # This table is currently empty, so no need to worry about unique index violations
+    add_concurrent_index :issue_email_participants, 'issue_id, lower(email)', unique: true, name: NEW_INDEX_NAME
+    remove_concurrent_index_by_name :issue_email_participants, OLD_INDEX_NAME
+  end
+
+  def down
+    add_concurrent_index :issue_email_participants, [:issue_id, :email], unique: true, name: OLD_INDEX_NAME
+    remove_concurrent_index_by_name :issue_email_participants, NEW_INDEX_NAME
+  end
+end
diff --git a/db/migrate/20201228110136_create_iterations_cadence.rb b/db/migrate/20201228110136_create_iterations_cadence.rb
new file mode 100644
index 00000000000..95601ab4b29
--- /dev/null
+++ b/db/migrate/20201228110136_create_iterations_cadence.rb
@@ -0,0 +1,29 @@
+# frozen_string_literal: true
+
+class CreateIterationsCadence < ActiveRecord::Migration[6.0]
+  include Gitlab::Database::MigrationHelpers
+
+  DOWNTIME = false
+
+  disable_ddl_transaction!
+
+  def up
+    create_table_with_constraints :iterations_cadences do |t|
+      t.references :group, null: false, foreign_key: { to_table: :namespaces, on_delete: :cascade }
+      t.timestamps_with_timezone null: false
+      t.date :start_date, null: false
+      t.date :last_run_date
+      t.integer :duration_in_weeks
+      t.integer :iterations_in_advance
+      t.boolean :active, default: true, null: false
+      t.boolean :automatic, default: true, null: false
+      t.text :title, null: false
+
+      t.text_limit :title, 255
+    end
+  end
+
+  def down
+    drop_table :iterations_cadences if table_exists?(:iterations_cadences)
+  end
+end
diff --git a/db/migrate/20201228110238_add_iterations_cadence_to_sprints.rb b/db/migrate/20201228110238_add_iterations_cadence_to_sprints.rb
new file mode 100644
index 00000000000..9d9026a265b
--- /dev/null
+++ b/db/migrate/20201228110238_add_iterations_cadence_to_sprints.rb
@@ -0,0 +1,22 @@
+# frozen_string_literal: true
+
+class AddIterationsCadenceToSprints < ActiveRecord::Migration[6.0]
+  include Gitlab::Database::MigrationHelpers
+
+  DOWNTIME = false
+
+  disable_ddl_transaction!
+
+  INDEX_NAME = 'index_sprints_iterations_cadence_id'
+
+  def up
+    add_column :sprints, :iterations_cadence_id, :integer unless column_exists?(:sprints, :iterations_cadence_id)
+
+    add_concurrent_index :sprints, :iterations_cadence_id, name: INDEX_NAME
+    add_concurrent_foreign_key :sprints, :iterations_cadences, column: :iterations_cadence_id, on_delete: :cascade
+  end
+
+  def down
+    remove_column :sprints, :iterations_cadence_id if column_exists?(:sprints, :iterations_cadence_id)
+  end
+end
diff --git a/db/migrate/20210106191305_rename_indexes_on_git_lab_com.rb b/db/migrate/20210106191305_rename_indexes_on_git_lab_com.rb
new file mode 100644
index 00000000000..5238192e1d1
--- /dev/null
+++ b/db/migrate/20210106191305_rename_indexes_on_git_lab_com.rb
@@ -0,0 +1,57 @@
+# frozen_string_literal: true
+
+# This migration aligns an existing database schema with what we actually expect
+# and fixes inconsistencies with index names and similar issues.
+#
+# This is intended for GitLab.com, but can be run on any instance.
+class RenameIndexesOnGitLabCom < ActiveRecord::Migration[6.0]
+  include Gitlab::Database::MigrationHelpers
+
+  DOWNTIME = false
+
+  disable_ddl_transaction!
+
+  def up
+    rename_index_if_exists :ldap_group_links, 'ldap_groups_pkey', 'ldap_group_links_pkey'
+
+    # Removes unique constraint, add unique index instead
+    replace_unique_constraint_with_index :emails, :email, 'emails_email_key', 'index_emails_on_email'
+    replace_unique_constraint_with_index :users, :confirmation_token, 'users_confirmation_token_key', 'index_users_on_confirmation_token'
+    replace_unique_constraint_with_index :users, :reset_password_token, 'users_reset_password_token_key', 'index_users_on_reset_password_token'
+    replace_unique_constraint_with_index :users, :email, 'users_email_key', 'index_users_on_email'
+
+    upgrade_to_primary_key(:schema_migrations, :version, 'schema_migrations_version_key', 'schema_migrations_pkey')
+  end
+
+  def down
+    # no-op
+  end
+
+  private
+
+  def replace_unique_constraint_with_index(table, columns, old_name, new_name)
+    return unless index_exists_by_name?(table, old_name)
+
+    add_concurrent_index table, columns, unique: true, name: new_name
+    execute "ALTER TABLE #{quote_table_name(table)} DROP CONSTRAINT #{quote_table_name(old_name)}"
+  end
+
+  def rename_index_if_exists(table, old_name, new_name)
+    return unless index_exists_by_name?(table, old_name)
+    return if index_exists_by_name?(table, new_name)
+
+    with_lock_retries do
+      rename_index table, old_name, new_name
+    end
+  end
+
+  def upgrade_to_primary_key(table, column, old_name, new_name)
+    return unless index_exists_by_name?(table, old_name)
+    return if index_exists_by_name?(table, new_name)
+
+    return if primary_key(table)
+
+    execute "ALTER TABLE #{quote_table_name(table)} ADD CONSTRAINT #{new_name} PRIMARY KEY (#{column})"
+    execute "ALTER TABLE #{quote_table_name(table)} DROP CONSTRAINT #{old_name}"
+  end
+end
diff --git a/db/migrate/20210127152613_add_iterations_cadence_date_range_constraint.rb b/db/migrate/20210127152613_add_iterations_cadence_date_range_constraint.rb
new file mode 100644
index 00000000000..95ecd167076
--- /dev/null
+++ b/db/migrate/20210127152613_add_iterations_cadence_date_range_constraint.rb
@@ -0,0 +1,30 @@
+# frozen_string_literal: true
+
+class AddIterationsCadenceDateRangeConstraint < ActiveRecord::Migration[6.0]
+  include Gitlab::Database::MigrationHelpers
+
+  DOWNTIME = false
+
+  def up
+    with_lock_retries do
+      execute <<~SQL
+        ALTER TABLE sprints
+          ADD CONSTRAINT iteration_start_and_due_date_iterations_cadence_id_constraint
+          EXCLUDE USING gist
+          ( iterations_cadence_id WITH =,
+            daterange(start_date, due_date, '[]') WITH &&
+          )
+          WHERE (group_id IS NOT NULL)
+      SQL
+    end
+  end
+
+  def down
+    with_lock_retries do
+      execute <<~SQL
+        ALTER TABLE sprints
+          DROP CONSTRAINT IF EXISTS iteration_start_and_due_date_iterations_cadence_id_constraint
+      SQL
+    end
+  end
+end
diff --git a/db/migrate/20210127202613_remove_iteration_group_date_range_constraint.rb b/db/migrate/20210127202613_remove_iteration_group_date_range_constraint.rb
new file mode 100644
index 00000000000..e6c5eb1b411
--- /dev/null
+++ b/db/migrate/20210127202613_remove_iteration_group_date_range_constraint.rb
@@ -0,0 +1,30 @@
+# frozen_string_literal: true
+
+class RemoveIterationGroupDateRangeConstraint < ActiveRecord::Migration[6.0]
+  include Gitlab::Database::MigrationHelpers
+
+  DOWNTIME = false
+
+  def up
+    with_lock_retries do
+      execute <<~SQL
+        ALTER TABLE sprints
+          DROP CONSTRAINT IF EXISTS iteration_start_and_due_daterange_group_id_constraint
+      SQL
+    end
+  end
+
+  def down
+    with_lock_retries do
+      execute <<~SQL
+        ALTER TABLE sprints
+          ADD CONSTRAINT iteration_start_and_due_daterange_group_id_constraint
+          EXCLUDE USING gist
+          ( group_id WITH =,
+            daterange(start_date, due_date, '[]') WITH &&
+          )
+          WHERE (group_id IS NOT NULL)
+      SQL
+    end
+  end
+end
diff --git a/db/migrate/20210128172149_create_background_migration_tracking_tables.rb b/db/migrate/20210128172149_create_background_migration_tracking_tables.rb
new file mode 100644
index 00000000000..767bd8737a3
--- /dev/null
+++ b/db/migrate/20210128172149_create_background_migration_tracking_tables.rb
@@ -0,0 +1,59 @@
+# frozen_string_literal: true
+
+class CreateBackgroundMigrationTrackingTables < ActiveRecord::Migration[6.0]
+  include Gitlab::Database::MigrationHelpers
+
+  DOWNTIME = false
+
+  def change
+    create_table_with_constraints :batched_background_migrations do |t|
+      t.timestamps_with_timezone
+      t.bigint :min_value, null: false, default: 1
+      t.bigint :max_value, null: false
+      t.integer :batch_size, null: false
+      t.integer :sub_batch_size, null: false
+      t.integer :interval, limit: 2, null: false
+      t.integer :status, limit: 2, null: false, default: 0
+      t.text :job_class_name, null: false
+      t.text :batch_class_name, null: false,
+        default: 'Gitlab::Database::BackgroundMigration::PrimaryKeyBatchingStrategy'
+      t.text :table_name, null: false
+      t.text :column_name, null: false
+      t.jsonb :job_arguments, null: false, default: '[]'
+
+      t.text_limit :job_class_name, 100
+      t.text_limit :batch_class_name, 100
+      t.text_limit :table_name, 63
+      t.text_limit :column_name, 63
+
+      t.check_constraint :check_positive_min_value, 'min_value > 0'
+      t.check_constraint :check_max_value_in_range, 'max_value >= min_value'
+
+      t.check_constraint :check_positive_sub_batch_size, 'sub_batch_size > 0'
+      t.check_constraint :check_batch_size_in_range, 'batch_size >= sub_batch_size'
+
+      t.index %i[job_class_name table_name column_name], name: :index_batched_migrations_on_job_table_and_column_name
+    end
+
+    create_table :batched_background_migration_jobs do |t|
+      t.timestamps_with_timezone
+      t.datetime_with_timezone :started_at
+      t.datetime_with_timezone :finished_at
+      t.references :batched_background_migration, null: false, index: false, foreign_key: { on_delete: :cascade }
+      t.bigint :min_value, null: false
+      t.bigint :max_value, null: false
+      t.integer :batch_size, null: false
+      t.integer :sub_batch_size, null: false
+      t.integer :status, limit: 2, null: false, default: 0
+      t.integer :attempts, limit: 2, null: false, default: 0
+
+      t.index [:batched_background_migration_id, :id], name: :index_batched_jobs_by_batched_migration_id_and_id
+    end
+  end
+
+  def down
+    drop_table :batched_background_migration_jobs
+
+    drop_table :batched_background_migrations
+  end
+end
diff --git a/db/migrate/20210201034649_add_active_periods_to_on_call_rotations.rb b/db/migrate/20210201034649_add_active_periods_to_on_call_rotations.rb
new file mode 100644
index 00000000000..714187f60e0
--- /dev/null
+++ b/db/migrate/20210201034649_add_active_periods_to_on_call_rotations.rb
@@ -0,0 +1,10 @@
+# frozen_string_literal: true
+
+class AddActivePeriodsToOnCallRotations < ActiveRecord::Migration[6.0]
+  DOWNTIME = false
+
+  def change
+    add_column :incident_management_oncall_rotations, :active_period_start, :time, null: true
+    add_column :incident_management_oncall_rotations, :active_period_end, :time, null: true
+  end
+end
diff --git a/db/migrate/20210205134213_add_creator_id_to_custom_emoji.rb b/db/migrate/20210205134213_add_creator_id_to_custom_emoji.rb
new file mode 100644
index 00000000000..c01335767a8
--- /dev/null
+++ b/db/migrate/20210205134213_add_creator_id_to_custom_emoji.rb
@@ -0,0 +1,23 @@
+# frozen_string_literal: true
+
+class AddCreatorIdToCustomEmoji < ActiveRecord::Migration[6.0]
+  DOWNTIME = false
+
+  def up
+    # Custom Emoji is at the moment behind a default-disabled feature flag. It
+    # will be unlikely there are any records in this table, but to able to
+    # ensure a not-null constraint delete any existing rows.
+    # Roll-out issue: https://gitlab.com/gitlab-org/gitlab/-/issues/231317
+    execute 'DELETE FROM custom_emoji'
+
+    add_reference :custom_emoji, # rubocop:disable Migration/AddReference
+                  :creator,
+                  index: true,
+                  null: false, # rubocop:disable Rails/NotNullColumn
+                  foreign_key: false # FK is added in 20210219100137
+  end
+
+  def down
+    remove_reference :custom_emoji, :creator
+  end
+end
diff --git a/db/migrate/20210208103243_add_issue_created_at_to_onboarding_progress.rb b/db/migrate/20210208103243_add_issue_created_at_to_onboarding_progress.rb
new file mode 100644
index 00000000000..e8318ecd929
--- /dev/null
+++ b/db/migrate/20210208103243_add_issue_created_at_to_onboarding_progress.rb
@@ -0,0 +1,9 @@
+# frozen_string_literal: true
+
+class AddIssueCreatedAtToOnboardingProgress < ActiveRecord::Migration[6.0]
+  DOWNTIME = false
+
+  def change
+    add_column :onboarding_progresses, :issue_created_at, :datetime_with_timezone
+  end
+end
diff --git a/db/migrate/20210208200914_add_ends_at_to_oncall_rotations.rb b/db/migrate/20210208200914_add_ends_at_to_oncall_rotations.rb
new file mode 100644
index 00000000000..5cd179c9a80
--- /dev/null
+++ b/db/migrate/20210208200914_add_ends_at_to_oncall_rotations.rb
@@ -0,0 +1,9 @@
+# frozen_string_literal: true
+
+class AddEndsAtToOncallRotations < ActiveRecord::Migration[6.0]
+  DOWNTIME = false
+
+  def change
+    add_column :incident_management_oncall_rotations, :ends_at, :datetime_with_timezone
+  end
+end
diff --git a/db/migrate/20210209110019_create_external_approval_rules.rb b/db/migrate/20210209110019_create_external_approval_rules.rb
new file mode 100644
index 00000000000..5d6780ec412
--- /dev/null
+++ b/db/migrate/20210209110019_create_external_approval_rules.rb
@@ -0,0 +1,44 @@
+# frozen_string_literal: true
+
+class CreateExternalApprovalRules < ActiveRecord::Migration[6.0]
+  include Gitlab::Database::MigrationHelpers
+  disable_ddl_transaction!
+
+  DOWNTIME = false
+
+  def up
+    create_table_with_constraints :external_approval_rules, if_not_exists: true do |t|
+      t.references :project, foreign_key: { on_delete: :cascade }, null: false, index: false
+      t.timestamps_with_timezone
+      t.text :external_url, null: false
+      t.text_limit :external_url, 255
+      t.text :name, null: false
+      t.text_limit :name, 255
+
+      t.index([:project_id, :name],
+              unique: true,
+              name: 'idx_on_external_approval_rules_project_id_name')
+      t.index([:project_id, :external_url],
+              unique: true,
+              name: 'idx_on_external_approval_rules_project_id_external_url')
+    end
+
+    create_table :external_approval_rules_protected_branches do |t|
+      t.bigint :external_approval_rule_id, null: false, index: { name: 'idx_eaprpb_external_approval_rule_id' }
+      t.bigint :protected_branch_id, null: false
+      t.index([:protected_branch_id, :external_approval_rule_id],
+              unique: true,
+              name: 'idx_protected_branch_id_external_approval_rule_id')
+    end
+  end
+
+  def down
+    with_lock_retries do
+      drop_table :external_approval_rules_protected_branches, force: :cascade, if_exists: true
+    end
+
+    with_lock_retries do
+      drop_table :external_approval_rules, force: :cascade, if_exists: true
+    end
+  end
+end
diff --git a/db/migrate/20210209232508_add_markdown_surround_selection_to_user_preferences.rb b/db/migrate/20210209232508_add_markdown_surround_selection_to_user_preferences.rb
new file mode 100644
index 00000000000..c4063a55d18
--- /dev/null
+++ b/db/migrate/20210209232508_add_markdown_surround_selection_to_user_preferences.rb
@@ -0,0 +1,21 @@
+# frozen_string_literal: true
+
+class AddMarkdownSurroundSelectionToUserPreferences < ActiveRecord::Migration[6.0]
+  include Gitlab::Database::MigrationHelpers
+
+  DOWNTIME = false
+
+  disable_ddl_transaction!
+
+  def up
+    with_lock_retries do
+      add_column :user_preferences, :markdown_surround_selection, :boolean, default: true, null: false
+    end
+  end
+
+  def down
+    with_lock_retries do
+      remove_column :user_preferences, :markdown_surround_selection, :boolean
+    end
+  end
+end
diff --git a/db/migrate/20210212153934_make_the_geo_oauth_application_trusted_by_default.rb b/db/migrate/20210212153934_make_the_geo_oauth_application_trusted_by_default.rb
new file mode 100644
index 00000000000..ab0343887e4
--- /dev/null
+++ b/db/migrate/20210212153934_make_the_geo_oauth_application_trusted_by_default.rb
@@ -0,0 +1,20 @@
+# frozen_string_literal: true
+
+class MakeTheGeoOauthApplicationTrustedByDefault < ActiveRecord::Migration[6.0]
+  DOWNTIME = false
+
+  def up
+    execute(<<-SQL.squish)
+      UPDATE oauth_applications
+      SET confidential = true, trusted = true
+      WHERE id IN (SELECT oauth_application_id FROM geo_nodes);
+    SQL
+  end
+
+  def down
+    # We won't be able to tell which trusted applications weren't
+    # confidential before the migration and setting all trusted
+    # applications are not confidential would introduce security
+    # issues.
+  end
+end
diff --git a/db/migrate/20210212163231_add_merge_when_pipeline_succeeds_to_notification_settings.rb b/db/migrate/20210212163231_add_merge_when_pipeline_succeeds_to_notification_settings.rb
new file mode 100644
index 00000000000..08d0a99436e
--- /dev/null
+++ b/db/migrate/20210212163231_add_merge_when_pipeline_succeeds_to_notification_settings.rb
@@ -0,0 +1,12 @@
+# frozen_string_literal: true
+
+# See https://docs.gitlab.com/ee/development/migration_style_guide.html
+# for more information on how to write migrations for GitLab.
+
+class AddMergeWhenPipelineSucceedsToNotificationSettings < ActiveRecord::Migration[6.0]
+  DOWNTIME = false
+
+  def change
+    add_column :notification_settings, :merge_when_pipeline_succeeds, :boolean, default: false, null: false
+  end
+end
diff --git a/db/migrate/20210214201118_add_delayed_project_removal_to_namespace_settings.rb b/db/migrate/20210214201118_add_delayed_project_removal_to_namespace_settings.rb
new file mode 100644
index 00000000000..1c6e0b0c27c
--- /dev/null
+++ b/db/migrate/20210214201118_add_delayed_project_removal_to_namespace_settings.rb
@@ -0,0 +1,9 @@
+# frozen_string_literal: true
+
+class AddDelayedProjectRemovalToNamespaceSettings < ActiveRecord::Migration[6.0]
+  DOWNTIME = false
+
+  def change
+    add_column :namespace_settings, :delayed_project_removal, :boolean, default: false, null: false
+  end
+end
diff --git a/db/migrate/20210214205155_add_index_to_namespaces_delayed_project_removal.rb b/db/migrate/20210214205155_add_index_to_namespaces_delayed_project_removal.rb
new file mode 100644
index 00000000000..8d09a5c9269
--- /dev/null
+++ b/db/migrate/20210214205155_add_index_to_namespaces_delayed_project_removal.rb
@@ -0,0 +1,18 @@
+# frozen_string_literal: true
+
+class AddIndexToNamespacesDelayedProjectRemoval < ActiveRecord::Migration[6.0]
+  include Gitlab::Database::MigrationHelpers
+
+  DOWNTIME = false
+  INDEX_NAME = 'tmp_idx_on_namespaces_delayed_project_removal'
+
+  disable_ddl_transaction!
+
+  def up
+    add_concurrent_index :namespaces, :id, name: INDEX_NAME, where: 'delayed_project_removal = TRUE'
+  end
+
+  def down
+    remove_concurrent_index_by_name :namespaces, INDEX_NAME
+  end
+end
diff --git a/db/migrate/20210216122140_add_in_product_marketing_emails_enabled_setting.rb b/db/migrate/20210216122140_add_in_product_marketing_emails_enabled_setting.rb
new file mode 100644
index 00000000000..5813b1b5f33
--- /dev/null
+++ b/db/migrate/20210216122140_add_in_product_marketing_emails_enabled_setting.rb
@@ -0,0 +1,9 @@
+# frozen_string_literal: true
+
+class AddInProductMarketingEmailsEnabledSetting < ActiveRecord::Migration[6.0]
+  DOWNTIME = false
+
+  def change
+    add_column :application_settings, :in_product_marketing_emails_enabled, :boolean, null: false, default: true
+  end
+end
diff --git a/db/migrate/20210216193620_add_description_to_cluster_token.rb b/db/migrate/20210216193620_add_description_to_cluster_token.rb
new file mode 100644
index 00000000000..67f7c6bd522
--- /dev/null
+++ b/db/migrate/20210216193620_add_description_to_cluster_token.rb
@@ -0,0 +1,21 @@
+# frozen_string_literal: true
+
+class AddDescriptionToClusterToken < ActiveRecord::Migration[6.0]
+  include Gitlab::Database::MigrationHelpers
+
+  DOWNTIME = false
+
+  disable_ddl_transaction!
+
+  def up
+    unless column_exists?(:cluster_agent_tokens, :description)
+      add_column :cluster_agent_tokens, :description, :text
+    end
+
+    add_text_limit :cluster_agent_tokens, :description, 1024
+  end
+
+  def down
+    remove_column :cluster_agent_tokens, :description
+  end
+end
diff --git a/db/migrate/20210216223335_remove_index_on_issues_where_service_desk_reply_to_is_not_null.rb b/db/migrate/20210216223335_remove_index_on_issues_where_service_desk_reply_to_is_not_null.rb
new file mode 100644
index 00000000000..5224b6f7031
--- /dev/null
+++ b/db/migrate/20210216223335_remove_index_on_issues_where_service_desk_reply_to_is_not_null.rb
@@ -0,0 +1,21 @@
+# frozen_string_literal: true
+
+class RemoveIndexOnIssuesWhereServiceDeskReplyToIsNotNull < ActiveRecord::Migration[6.0]
+  include Gitlab::Database::MigrationHelpers
+
+  DOWNTIME = false
+
+  disable_ddl_transaction!
+
+  INDEX_TABLE = :issues
+  INDEX_NAME = 'idx_on_issues_where_service_desk_reply_to_is_not_null'
+
+  def up
+    Gitlab::BackgroundMigration.steal('PopulateIssueEmailParticipants')
+    remove_concurrent_index_by_name INDEX_TABLE, INDEX_NAME
+  end
+
+  def down
+    add_concurrent_index(INDEX_TABLE, [:id], name: INDEX_NAME, where: 'service_desk_reply_to IS NOT NULL')
+  end
+end
diff --git a/db/migrate/20210217101901_create_epic_list_user_preferences.rb b/db/migrate/20210217101901_create_epic_list_user_preferences.rb
new file mode 100644
index 00000000000..5aacea1938d
--- /dev/null
+++ b/db/migrate/20210217101901_create_epic_list_user_preferences.rb
@@ -0,0 +1,20 @@
+# frozen_string_literal: true
+
+class CreateEpicListUserPreferences < ActiveRecord::Migration[6.0]
+  DOWNTIME = false
+
+  def up
+    create_table :boards_epic_list_user_preferences do |t|
+      t.bigint :user_id, null: false
+      t.bigint :epic_list_id, index: true, null: false
+      t.timestamps_with_timezone null: false
+      t.boolean :collapsed, null: false, default: false
+    end
+
+    add_index :boards_epic_list_user_preferences, [:user_id, :epic_list_id], unique: true, name: 'index_epic_board_list_preferences_on_user_and_list'
+  end
+
+  def down
+    drop_table :boards_epic_list_user_preferences
+  end
+end
diff --git a/db/migrate/20210218040814_add_environment_scope_to_group_variables.rb b/db/migrate/20210218040814_add_environment_scope_to_group_variables.rb
new file mode 100644
index 00000000000..5cc41f570aa
--- /dev/null
+++ b/db/migrate/20210218040814_add_environment_scope_to_group_variables.rb
@@ -0,0 +1,45 @@
+# frozen_string_literal: true
+
+class AddEnvironmentScopeToGroupVariables < ActiveRecord::Migration[6.0]
+  include Gitlab::Database::MigrationHelpers
+
+  DOWNTIME = false
+  OLD_INDEX = 'index_ci_group_variables_on_group_id_and_key'
+  NEW_INDEX = 'index_ci_group_variables_on_group_id_and_key_and_environment'
+
+  disable_ddl_transaction!
+
+  def up
+    unless column_exists?(:ci_group_variables, :environment_scope)
+      # rubocop:disable Migration/AddLimitToTextColumns
+      # Added in 20210305013509_add_text_limit_to_group_ci_variables_environment_scope
+      add_column :ci_group_variables, :environment_scope, :text, null: false, default: '*'
+      # rubocop:enable Migration/AddLimitToTextColumns
+    end
+
+    add_concurrent_index :ci_group_variables, [:group_id, :key, :environment_scope], unique: true, name: NEW_INDEX
+    remove_concurrent_index_by_name :ci_group_variables, OLD_INDEX
+  end
+
+  def down
+    remove_duplicates!
+
+    add_concurrent_index :ci_group_variables, [:group_id, :key], unique: true, name: OLD_INDEX
+    remove_concurrent_index_by_name :ci_group_variables, NEW_INDEX
+
+    remove_column :ci_group_variables, :environment_scope
+  end
+
+  private
+
+  def remove_duplicates!
+    execute <<-SQL
+      DELETE FROM ci_group_variables
+      WHERE id NOT IN (
+        SELECT MIN(id)
+        FROM ci_group_variables
+        GROUP BY group_id, key
+      )
+    SQL
+  end
+end
diff --git a/db/migrate/20210218142626_change_finding_fingerprint_enum.rb b/db/migrate/20210218142626_change_finding_fingerprint_enum.rb
new file mode 100644
index 00000000000..615509e0c04
--- /dev/null
+++ b/db/migrate/20210218142626_change_finding_fingerprint_enum.rb
@@ -0,0 +1,15 @@
+# frozen_string_literal: true
+
+class ChangeFindingFingerprintEnum < ActiveRecord::Migration[6.0]
+  include Gitlab::Database::MigrationHelpers
+
+  DOWNTIME = false
+
+  def up
+    change_column :vulnerability_finding_fingerprints, :algorithm_type, :integer, limit: 2
+  end
+
+  def down
+    change_column :vulnerability_finding_fingerprints, :algorithm_type, :integer
+  end
+end
diff --git a/db/migrate/20210218144056_add_sprints_start_date_not_null_check_constraint.rb b/db/migrate/20210218144056_add_sprints_start_date_not_null_check_constraint.rb
new file mode 100644
index 00000000000..243080f49b2
--- /dev/null
+++ b/db/migrate/20210218144056_add_sprints_start_date_not_null_check_constraint.rb
@@ -0,0 +1,17 @@
+# frozen_string_literal: true
+
+class AddSprintsStartDateNotNullCheckConstraint < ActiveRecord::Migration[6.0]
+  include Gitlab::Database::MigrationHelpers
+
+  DOWNTIME = false
+
+  disable_ddl_transaction!
+
+  def up
+    add_not_null_constraint(:sprints, :start_date, validate: false)
+  end
+
+  def down
+    remove_not_null_constraint(:sprints, :start_date)
+  end
+end
diff --git a/db/migrate/20210218144656_add_sprints_due_date_not_null_check_constraint.rb b/db/migrate/20210218144656_add_sprints_due_date_not_null_check_constraint.rb
new file mode 100644
index 00000000000..9f3ed6fd13a
--- /dev/null
+++ b/db/migrate/20210218144656_add_sprints_due_date_not_null_check_constraint.rb
@@ -0,0 +1,17 @@
+# frozen_string_literal: true
+
+class AddSprintsDueDateNotNullCheckConstraint < ActiveRecord::Migration[6.0]
+  include Gitlab::Database::MigrationHelpers
+
+  DOWNTIME = false
+
+  disable_ddl_transaction!
+
+  def up
+    add_not_null_constraint(:sprints, :due_date, validate: false)
+  end
+
+  def down
+    remove_not_null_constraint(:sprints, :due_date)
+  end
+end
diff --git a/db/migrate/20210219100137_add_creator_foreign_key_to_custom_emoji.rb b/db/migrate/20210219100137_add_creator_foreign_key_to_custom_emoji.rb
new file mode 100644
index 00000000000..a954ba5ba3b
--- /dev/null
+++ b/db/migrate/20210219100137_add_creator_foreign_key_to_custom_emoji.rb
@@ -0,0 +1,23 @@
+# frozen_string_literal: true
+
+class AddCreatorForeignKeyToCustomEmoji < ActiveRecord::Migration[6.0]
+  include Gitlab::Database::MigrationHelpers
+
+  DOWNTIME = false
+  FK_NAME = 'fk_custom_emoji_creator_id'
+
+  disable_ddl_transaction!
+
+  def up
+    add_concurrent_foreign_key :custom_emoji, :users,
+                               on_delete: :cascade,
+                               column: :creator_id,
+                               name: FK_NAME
+  end
+
+  def down
+    with_lock_retries do
+      remove_foreign_key :custom_emoji, name: FK_NAME
+    end
+  end
+end
diff --git a/db/migrate/20210219111040_add_epic_issue_composite_index.rb b/db/migrate/20210219111040_add_epic_issue_composite_index.rb
new file mode 100644
index 00000000000..f1344baf0c7
--- /dev/null
+++ b/db/migrate/20210219111040_add_epic_issue_composite_index.rb
@@ -0,0 +1,18 @@
+# frozen_string_literal: true
+
+class AddEpicIssueCompositeIndex < ActiveRecord::Migration[6.0]
+  include Gitlab::Database::MigrationHelpers
+
+  DOWNTIME = false
+  INDEX_NAME = 'index_epic_issues_on_epic_id_and_issue_id'
+
+  disable_ddl_transaction!
+
+  def up
+    add_concurrent_index :epic_issues, [:epic_id, :issue_id], name: INDEX_NAME
+  end
+
+  def down
+    remove_concurrent_index_by_name :epic_issues, INDEX_NAME
+  end
+end
diff --git a/db/migrate/20210222030537_add_is_removed_to_oncall_participant.rb b/db/migrate/20210222030537_add_is_removed_to_oncall_participant.rb
new file mode 100644
index 00000000000..83b81a067ab
--- /dev/null
+++ b/db/migrate/20210222030537_add_is_removed_to_oncall_participant.rb
@@ -0,0 +1,19 @@
+# frozen_string_literal: true
+
+class AddIsRemovedToOncallParticipant < ActiveRecord::Migration[6.0]
+  include Gitlab::Database::MigrationHelpers
+
+  DOWNTIME = false
+
+  def up
+    with_lock_retries do
+      add_column :incident_management_oncall_participants, :is_removed, :boolean, default: false, null: false
+    end
+  end
+
+  def down
+    with_lock_retries do
+      remove_column :incident_management_oncall_participants, :is_removed
+    end
+  end
+end
diff --git a/db/migrate/20210222042745_add_is_removed_index_to_oncall_participant.rb b/db/migrate/20210222042745_add_is_removed_index_to_oncall_participant.rb
new file mode 100644
index 00000000000..cfa9b1b89c9
--- /dev/null
+++ b/db/migrate/20210222042745_add_is_removed_index_to_oncall_participant.rb
@@ -0,0 +1,21 @@
+# frozen_string_literal: true
+
+class AddIsRemovedIndexToOncallParticipant < ActiveRecord::Migration[6.0]
+  include Gitlab::Database::MigrationHelpers
+
+  disable_ddl_transaction!
+
+  DOWNTIME = false
+  EXISTING_INDEX_NAME = 'index_inc_mgmnt_oncall_participants_on_oncall_rotation_id'
+  NEW_INDEX_NAME = 'index_inc_mgmnt_oncall_pcpnt_on_oncall_rotation_id_is_removed'
+
+  def up
+    add_concurrent_index :incident_management_oncall_participants, [:oncall_rotation_id, :is_removed], name: NEW_INDEX_NAME
+    remove_concurrent_index_by_name(:incident_management_oncall_participants, EXISTING_INDEX_NAME)
+  end
+
+  def down
+    add_concurrent_index :incident_management_oncall_participants, :oncall_rotation_id, name: EXISTING_INDEX_NAME
+    remove_concurrent_index_by_name(:incident_management_oncall_participants, NEW_INDEX_NAME)
+  end
+end
diff --git a/db/migrate/20210222070356_add_storage_size_to_namespace_statistics.rb b/db/migrate/20210222070356_add_storage_size_to_namespace_statistics.rb
new file mode 100644
index 00000000000..838c22382c6
--- /dev/null
+++ b/db/migrate/20210222070356_add_storage_size_to_namespace_statistics.rb
@@ -0,0 +1,19 @@
+# frozen_string_literal: true
+
+class AddStorageSizeToNamespaceStatistics < ActiveRecord::Migration[6.0]
+  include Gitlab::Database::MigrationHelpers
+
+  DOWNTIME = false
+
+  def up
+    with_lock_retries do
+      add_column :namespace_statistics, :storage_size, :bigint, default: 0, null: false
+    end
+  end
+
+  def down
+    with_lock_retries do
+      remove_column :namespace_statistics, :storage_size
+    end
+  end
+end
diff --git a/db/migrate/20210222070413_add_wiki_size_to_namespace_statistics.rb b/db/migrate/20210222070413_add_wiki_size_to_namespace_statistics.rb
new file mode 100644
index 00000000000..9e6ced9fd64
--- /dev/null
+++ b/db/migrate/20210222070413_add_wiki_size_to_namespace_statistics.rb
@@ -0,0 +1,19 @@
+# frozen_string_literal: true
+
+class AddWikiSizeToNamespaceStatistics < ActiveRecord::Migration[6.0]
+  include Gitlab::Database::MigrationHelpers
+
+  DOWNTIME = false
+
+  def up
+    with_lock_retries do
+      add_column :namespace_statistics, :wiki_size, :bigint, default: 0, null: false
+    end
+  end
+
+  def down
+    with_lock_retries do
+      remove_column :namespace_statistics, :wiki_size
+    end
+  end
+end
diff --git a/db/migrate/20210222085529_add_epic_board_user_preference_user_fk.rb b/db/migrate/20210222085529_add_epic_board_user_preference_user_fk.rb
new file mode 100644
index 00000000000..52de892a177
--- /dev/null
+++ b/db/migrate/20210222085529_add_epic_board_user_preference_user_fk.rb
@@ -0,0 +1,19 @@
+# frozen_string_literal: true
+
+class AddEpicBoardUserPreferenceUserFk < ActiveRecord::Migration[6.0]
+  include Gitlab::Database::MigrationHelpers
+
+  DOWNTIME = false
+
+  disable_ddl_transaction!
+
+  def up
+    add_concurrent_foreign_key :boards_epic_list_user_preferences, :users, column: :user_id, on_delete: :cascade
+  end
+
+  def down
+    with_lock_retries do
+      remove_foreign_key_if_exists :boards_epic_list_user_preferences, :users
+    end
+  end
+end
diff --git a/db/migrate/20210222085551_add_epic_board_user_preference_epic_list_fk.rb b/db/migrate/20210222085551_add_epic_board_user_preference_epic_list_fk.rb
new file mode 100644
index 00000000000..3f62036b899
--- /dev/null
+++ b/db/migrate/20210222085551_add_epic_board_user_preference_epic_list_fk.rb
@@ -0,0 +1,19 @@
+# frozen_string_literal: true
+
+class AddEpicBoardUserPreferenceEpicListFk < ActiveRecord::Migration[6.0]
+  include Gitlab::Database::MigrationHelpers
+
+  DOWNTIME = false
+
+  disable_ddl_transaction!
+
+  def up
+    add_concurrent_foreign_key :boards_epic_list_user_preferences, :boards_epic_lists, column: :epic_list_id, on_delete: :cascade
+  end
+
+  def down
+    with_lock_retries do
+      remove_foreign_key_if_exists :boards_epic_list_user_preferences, :boards_epic_lists
+    end
+  end
+end
diff --git a/db/migrate/20210222105120_add_container_registry_access_level.rb b/db/migrate/20210222105120_add_container_registry_access_level.rb
new file mode 100644
index 00000000000..2324866b0ef
--- /dev/null
+++ b/db/migrate/20210222105120_add_container_registry_access_level.rb
@@ -0,0 +1,25 @@
+# frozen_string_literal: true
+
+class AddContainerRegistryAccessLevel < ActiveRecord::Migration[6.0]
+  include Gitlab::Database::MigrationHelpers
+
+  DOWNTIME = false
+
+  def up
+    with_lock_retries do
+      add_column(
+        :project_features,
+        :container_registry_access_level,
+        :integer,
+        default: 0, # ProjectFeature::DISABLED value
+        null: false
+      )
+    end
+  end
+
+  def down
+    with_lock_retries do
+      remove_column :project_features, :container_registry_access_level
+    end
+  end
+end
diff --git a/db/migrate/20210223053451_add_branch_name_to_dast_profile.rb b/db/migrate/20210223053451_add_branch_name_to_dast_profile.rb
new file mode 100644
index 00000000000..311e809103f
--- /dev/null
+++ b/db/migrate/20210223053451_add_branch_name_to_dast_profile.rb
@@ -0,0 +1,23 @@
+# frozen_string_literal: true
+
+class AddBranchNameToDastProfile < ActiveRecord::Migration[6.0]
+  include Gitlab::Database::MigrationHelpers
+
+  DOWNTIME = false
+
+  disable_ddl_transaction!
+
+  def up
+    with_lock_retries do
+      add_column :dast_profiles, :branch_name, :text
+    end
+
+    add_text_limit :dast_profiles, :branch_name, 255
+  end
+
+  def down
+    with_lock_retries do
+      remove_column :dast_profiles, :branch_name
+    end
+  end
+end
diff --git a/db/migrate/20210223132934_add_foreign_key_to_external_approval_rules.rb b/db/migrate/20210223132934_add_foreign_key_to_external_approval_rules.rb
new file mode 100644
index 00000000000..b5f04672813
--- /dev/null
+++ b/db/migrate/20210223132934_add_foreign_key_to_external_approval_rules.rb
@@ -0,0 +1,18 @@
+# frozen_string_literal: true
+
+class AddForeignKeyToExternalApprovalRules < ActiveRecord::Migration[6.0]
+  include Gitlab::Database::MigrationHelpers
+  DOWNTIME = false
+
+  disable_ddl_transaction!
+
+  def up
+    add_concurrent_foreign_key :external_approval_rules_protected_branches, :external_approval_rules, column: :external_approval_rule_id, on_delete: :cascade
+  end
+
+  def down
+    with_lock_retries do
+      remove_foreign_key :external_approval_rules_protected_branches, column: :external_approval_rule_id
+    end
+  end
+end
diff --git a/db/migrate/20210223133116_add_foreign_key_to_external_approval_rules_protected_branches.rb b/db/migrate/20210223133116_add_foreign_key_to_external_approval_rules_protected_branches.rb
new file mode 100644
index 00000000000..ad51f765d8a
--- /dev/null
+++ b/db/migrate/20210223133116_add_foreign_key_to_external_approval_rules_protected_branches.rb
@@ -0,0 +1,18 @@
+# frozen_string_literal: true
+
+class AddForeignKeyToExternalApprovalRulesProtectedBranches < ActiveRecord::Migration[6.0]
+  include Gitlab::Database::MigrationHelpers
+  DOWNTIME = false
+
+  disable_ddl_transaction!
+
+  def up
+    add_concurrent_foreign_key :external_approval_rules_protected_branches, :protected_branches, column: :protected_branch_id, on_delete: :cascade
+  end
+
+  def down
+    with_lock_retries do
+      remove_foreign_key :external_approval_rules_protected_branches, column: :protected_branch_id
+    end
+  end
+end
diff --git a/db/migrate/20210224132547_add_null_constraint_to_terraform_state_name.rb b/db/migrate/20210224132547_add_null_constraint_to_terraform_state_name.rb
new file mode 100644
index 00000000000..d9f23311cf5
--- /dev/null
+++ b/db/migrate/20210224132547_add_null_constraint_to_terraform_state_name.rb
@@ -0,0 +1,11 @@
+# frozen_string_literal: true
+
+class AddNullConstraintToTerraformStateName < ActiveRecord::Migration[6.0]
+  include Gitlab::Database::MigrationHelpers
+
+  DOWNTIME = false
+
+  def change
+    change_column_null :terraform_states, :name, false
+  end
+end
diff --git a/db/migrate/20210224133337_add_name_field_to_cluster_agent_token.rb b/db/migrate/20210224133337_add_name_field_to_cluster_agent_token.rb
new file mode 100644
index 00000000000..2cec37f8477
--- /dev/null
+++ b/db/migrate/20210224133337_add_name_field_to_cluster_agent_token.rb
@@ -0,0 +1,12 @@
+# frozen_string_literal: true
+
+class AddNameFieldToClusterAgentToken < ActiveRecord::Migration[6.0]
+  DOWNTIME = false
+
+  # rubocop:disable Migration/AddLimitToTextColumns
+  # limit is added in LimitClusterTokenSize
+  def change
+    add_column :cluster_agent_tokens, :name, :text
+  end
+  # rubocop:enable Migration/AddLimitToTextColumns
+end
diff --git a/db/migrate/20210225090801_create_dora_daily_metrics.rb b/db/migrate/20210225090801_create_dora_daily_metrics.rb
new file mode 100644
index 00000000000..65c1dbc23e4
--- /dev/null
+++ b/db/migrate/20210225090801_create_dora_daily_metrics.rb
@@ -0,0 +1,31 @@
+# frozen_string_literal: true
+
+class CreateDoraDailyMetrics < ActiveRecord::Migration[6.0]
+  include Gitlab::Database::MigrationHelpers
+
+  DOWNTIME = false
+
+  disable_ddl_transaction!
+
+  def up
+    with_lock_retries do
+      create_table :dora_daily_metrics, if_not_exists: true do |t|
+        t.references :environment, null: false, foreign_key: { on_delete: :cascade }, index: false
+        t.date :date, null: false
+        t.integer :deployment_frequency
+        t.integer :lead_time_for_changes_in_seconds
+
+        t.index [:environment_id, :date], unique: true
+      end
+    end
+
+    add_check_constraint :dora_daily_metrics, "deployment_frequency >= 0", 'dora_daily_metrics_deployment_frequency_positive'
+    add_check_constraint :dora_daily_metrics, "lead_time_for_changes_in_seconds >= 0", 'dora_daily_metrics_lead_time_for_changes_in_seconds_positive'
+  end
+
+  def down
+    with_lock_retries do
+      drop_table :dora_daily_metrics
+    end
+  end
+end
diff --git a/db/migrate/20210225135533_limit_cluster_token_size.rb b/db/migrate/20210225135533_limit_cluster_token_size.rb
new file mode 100644
index 00000000000..6a1b6b7b4e8
--- /dev/null
+++ b/db/migrate/20210225135533_limit_cluster_token_size.rb
@@ -0,0 +1,17 @@
+# frozen_string_literal: true
+
+class LimitClusterTokenSize < ActiveRecord::Migration[6.0]
+  include Gitlab::Database::MigrationHelpers
+
+  DOWNTIME = false
+
+  disable_ddl_transaction!
+
+  def up
+    add_text_limit :cluster_agent_tokens, :name, 255
+  end
+
+  def down
+    remove_text_limit :cluster_agent_tokens, :name
+  end
+end
diff --git a/db/migrate/20210225153522_add_allow_force_push_to_protected_branches.rb b/db/migrate/20210225153522_add_allow_force_push_to_protected_branches.rb
new file mode 100644
index 00000000000..92a15cb45dd
--- /dev/null
+++ b/db/migrate/20210225153522_add_allow_force_push_to_protected_branches.rb
@@ -0,0 +1,19 @@
+# frozen_string_literal: true
+
+class AddAllowForcePushToProtectedBranches < ActiveRecord::Migration[6.0]
+  include Gitlab::Database::MigrationHelpers
+
+  DOWNTIME = false
+
+  def up
+    with_lock_retries do
+      add_column :protected_branches, :allow_force_push, :boolean, default: false, null: false
+    end
+  end
+
+  def down
+    with_lock_retries do
+      remove_column :protected_branches, :allow_force_push
+    end
+  end
+end
diff --git a/db/migrate/20210301150451_add_tier_to_environments.rb b/db/migrate/20210301150451_add_tier_to_environments.rb
new file mode 100644
index 00000000000..28592dd2bf6
--- /dev/null
+++ b/db/migrate/20210301150451_add_tier_to_environments.rb
@@ -0,0 +1,19 @@
+# frozen_string_literal: true
+
+class AddTierToEnvironments < ActiveRecord::Migration[6.0]
+  include Gitlab::Database::MigrationHelpers
+
+  DOWNTIME = false
+
+  def up
+    with_lock_retries do
+      add_column :environments, :tier, :smallint
+    end
+  end
+
+  def down
+    with_lock_retries do
+      remove_column :environments, :tier
+    end
+  end
+end
diff --git a/db/migrate/20210301193412_add_optional_to_ci_build_needs.rb b/db/migrate/20210301193412_add_optional_to_ci_build_needs.rb
new file mode 100644
index 00000000000..2c6e85f930d
--- /dev/null
+++ b/db/migrate/20210301193412_add_optional_to_ci_build_needs.rb
@@ -0,0 +1,19 @@
+# frozen_string_literal: true
+
+class AddOptionalToCiBuildNeeds < ActiveRecord::Migration[6.0]
+  include Gitlab::Database::MigrationHelpers
+
+  DOWNTIME = false
+
+  def up
+    with_lock_retries do
+      add_column :ci_build_needs, :optional, :boolean, default: false, null: false
+    end
+  end
+
+  def down
+    with_lock_retries do
+      remove_column :ci_build_needs, :optional
+    end
+  end
+end
diff --git a/db/migrate/20210301200601_rename_asset_proxy_allowlist_on_application_settings.rb b/db/migrate/20210301200601_rename_asset_proxy_allowlist_on_application_settings.rb
index 8a9acd8b86e..8ac334fc6a4 100644
--- a/db/migrate/20210301200601_rename_asset_proxy_allowlist_on_application_settings.rb
+++ b/db/migrate/20210301200601_rename_asset_proxy_allowlist_on_application_settings.rb
@@ -8,6 +8,10 @@ class RenameAssetProxyAllowlistOnApplicationSettings < ActiveRecord::Migration[6
   disable_ddl_transaction!
 
   def up
+    cleanup_concurrent_column_rename :application_settings,
+      :asset_proxy_whitelist,
+      :asset_proxy_allowlist
+
     rename_column_concurrently :application_settings,
       :asset_proxy_allowlist,
       :asset_proxy_whitelist
@@ -17,5 +21,9 @@ class RenameAssetProxyAllowlistOnApplicationSettings < ActiveRecord::Migration[6
     undo_rename_column_concurrently :application_settings,
       :asset_proxy_allowlist,
       :asset_proxy_whitelist
+
+    undo_cleanup_concurrent_column_rename :application_settings,
+      :asset_proxy_whitelist,
+      :asset_proxy_allowlist
   end
 end
diff --git a/db/migrate/20210302103851_add_deployed_deployment_id_index_to_project_pages_metadata.rb b/db/migrate/20210302103851_add_deployed_deployment_id_index_to_project_pages_metadata.rb
new file mode 100644
index 00000000000..e10e9a912cc
--- /dev/null
+++ b/db/migrate/20210302103851_add_deployed_deployment_id_index_to_project_pages_metadata.rb
@@ -0,0 +1,19 @@
+# frozen_string_literal: true
+
+class AddDeployedDeploymentIdIndexToProjectPagesMetadata < ActiveRecord::Migration[6.0]
+  include Gitlab::Database::MigrationHelpers
+
+  DOWNTIME = false
+
+  disable_ddl_transaction!
+
+  INDEX_NAME = 'index_on_pages_metadata_not_migrated'
+
+  def up
+    add_concurrent_index :project_pages_metadata, :project_id, where: "deployed = TRUE AND pages_deployment_id is NULL", name: INDEX_NAME
+  end
+
+  def down
+    remove_concurrent_index_by_name :project_pages_metadata, INDEX_NAME
+  end
+end
diff --git a/db/migrate/20210302155904_remove_index_for_security_orchestration_policy.rb b/db/migrate/20210302155904_remove_index_for_security_orchestration_policy.rb
new file mode 100644
index 00000000000..5d2594f2b9e
--- /dev/null
+++ b/db/migrate/20210302155904_remove_index_for_security_orchestration_policy.rb
@@ -0,0 +1,18 @@
+# frozen_string_literal: true
+
+class RemoveIndexForSecurityOrchestrationPolicy < ActiveRecord::Migration[6.0]
+  include Gitlab::Database::MigrationHelpers
+
+  DOWNTIME = false
+  INDEX_NAME = 'index_sop_configs_on_security_policy_management_project_id'
+
+  disable_ddl_transaction!
+
+  def up
+    remove_concurrent_index_by_name(:security_orchestration_policy_configurations, INDEX_NAME)
+  end
+
+  def down
+    add_concurrent_index(:security_orchestration_policy_configurations, :security_policy_management_project_id, name: INDEX_NAME)
+  end
+end
diff --git a/db/migrate/20210302160544_add_index_to_security_orchestration_policy.rb b/db/migrate/20210302160544_add_index_to_security_orchestration_policy.rb
new file mode 100644
index 00000000000..4750e2bdb79
--- /dev/null
+++ b/db/migrate/20210302160544_add_index_to_security_orchestration_policy.rb
@@ -0,0 +1,18 @@
+# frozen_string_literal: true
+
+class AddIndexToSecurityOrchestrationPolicy < ActiveRecord::Migration[6.0]
+  include Gitlab::Database::MigrationHelpers
+
+  DOWNTIME = false
+  INDEX = 'index_sop_configurations_project_id_policy_project_id'
+
+  disable_ddl_transaction!
+
+  def up
+    add_concurrent_index :security_orchestration_policy_configurations, [:security_policy_management_project_id, :project_id], name: INDEX
+  end
+
+  def down
+    remove_concurrent_index_by_name :security_orchestration_policy_configurations, INDEX
+  end
+end
diff --git a/db/migrate/20210302212623_rename_vuln_fingerprints_indexes.rb b/db/migrate/20210302212623_rename_vuln_fingerprints_indexes.rb
new file mode 100644
index 00000000000..0f431fbeda5
--- /dev/null
+++ b/db/migrate/20210302212623_rename_vuln_fingerprints_indexes.rb
@@ -0,0 +1,35 @@
+# frozen_string_literal: true
+
+class RenameVulnFingerprintsIndexes < ActiveRecord::Migration[6.0]
+  include Gitlab::Database::MigrationHelpers
+
+  DOWNTIME = false
+
+  FINGERPRINT_IDX = :idx_vuln_fingerprints_on_occurrences_id_and_fingerprint
+  FINGERPRINT_IDX_RENAMED = :idx_vuln_fingerprints_on_occurrences_id_and_fingerprint_sha256
+  UNIQ_IDX = :idx_vuln_fingerprints_uniqueness
+  UNIQ_IDX_RENAMED = :idx_vuln_fingerprints_uniqueness_fingerprint_sha256
+
+  disable_ddl_transaction!
+
+  def up
+    # These `unless` checks are necessary for re-running the migrations multiple times
+    unless index_exists_by_name?(:vulnerability_finding_fingerprints, FINGERPRINT_IDX_RENAMED)
+      rename_index :vulnerability_finding_fingerprints, FINGERPRINT_IDX, FINGERPRINT_IDX_RENAMED
+    end
+
+    unless index_exists_by_name?(:vulnerability_finding_fingerprints, UNIQ_IDX_RENAMED)
+      rename_index :vulnerability_finding_fingerprints, UNIQ_IDX, UNIQ_IDX_RENAMED
+    end
+  end
+
+  def down
+    unless index_exists_by_name?(:vulnerability_finding_fingerprints, FINGERPRINT_IDX)
+      rename_index :vulnerability_finding_fingerprints, FINGERPRINT_IDX_RENAMED, FINGERPRINT_IDX
+    end
+
+    unless index_exists_by_name?(:vulnerability_finding_fingerprints, UNIQ_IDX)
+      rename_index :vulnerability_finding_fingerprints, UNIQ_IDX_RENAMED, UNIQ_IDX
+    end
+  end
+end
diff --git a/db/migrate/20210303053341_add_last_edited_at_and_last_edited_by_id_to_notes.rb b/db/migrate/20210303053341_add_last_edited_at_and_last_edited_by_id_to_notes.rb
new file mode 100644
index 00000000000..b6f4da202fa
--- /dev/null
+++ b/db/migrate/20210303053341_add_last_edited_at_and_last_edited_by_id_to_notes.rb
@@ -0,0 +1,19 @@
+# frozen_string_literal: true
+
+class AddLastEditedAtAndLastEditedByIdToNotes < ActiveRecord::Migration[6.0]
+  include Gitlab::Database::MigrationHelpers
+
+  DOWNTIME = false
+
+  def up
+    with_lock_retries do
+      add_column :notes, :last_edited_at, :datetime_with_timezone
+    end
+  end
+
+  def down
+    with_lock_retries do
+      remove_column :notes, :last_edited_at
+    end
+  end
+end
diff --git a/db/migrate/20210303091651_add_index_to_environments_tier.rb b/db/migrate/20210303091651_add_index_to_environments_tier.rb
new file mode 100644
index 00000000000..0ec876945d9
--- /dev/null
+++ b/db/migrate/20210303091651_add_index_to_environments_tier.rb
@@ -0,0 +1,19 @@
+# frozen_string_literal: true
+
+class AddIndexToEnvironmentsTier < ActiveRecord::Migration[6.0]
+  include Gitlab::Database::MigrationHelpers
+
+  disable_ddl_transaction!
+
+  INDEX_NAME = 'index_environments_on_project_id_and_tier'
+
+  DOWNTIME = false
+
+  def up
+    add_concurrent_index :environments, [:project_id, :tier], where: 'tier IS NOT NULL', name: INDEX_NAME
+  end
+
+  def down
+    remove_concurrent_index :environments, :state, name: INDEX_NAME
+  end
+end
diff --git a/db/migrate/20210303165201_add_index_for_succeeded_deployments.rb b/db/migrate/20210303165201_add_index_for_succeeded_deployments.rb
new file mode 100644
index 00000000000..1ae5b36d2f2
--- /dev/null
+++ b/db/migrate/20210303165201_add_index_for_succeeded_deployments.rb
@@ -0,0 +1,18 @@
+# frozen_string_literal: true
+
+class AddIndexForSucceededDeployments < ActiveRecord::Migration[6.0]
+  include Gitlab::Database::MigrationHelpers
+
+  DOWNTIME = false
+  INDEX_NAME = 'index_deployments_on_environment_id_status_and_finished_at'
+
+  disable_ddl_transaction!
+
+  def up
+    add_concurrent_index(:deployments, %i[environment_id status finished_at], name: INDEX_NAME)
+  end
+
+  def down
+    remove_concurrent_index_by_name(:deployments, INDEX_NAME)
+  end
+end
diff --git a/db/migrate/20210303165301_add_not_null_constraint_to_cluster_token_name.rb b/db/migrate/20210303165301_add_not_null_constraint_to_cluster_token_name.rb
new file mode 100644
index 00000000000..5fc8970b8f9
--- /dev/null
+++ b/db/migrate/20210303165301_add_not_null_constraint_to_cluster_token_name.rb
@@ -0,0 +1,18 @@
+# frozen_string_literal: true
+
+class AddNotNullConstraintToClusterTokenName < ActiveRecord::Migration[6.0]
+  include Gitlab::Database::MigrationHelpers
+
+  DOWNTIME = false
+
+  disable_ddl_transaction!
+
+  def up
+    # This will add the `NOT NULL` constraint WITHOUT validating it
+    add_not_null_constraint :cluster_agent_tokens, :name, validate: false
+  end
+
+  def down
+    remove_not_null_constraint :cluster_agent_tokens, :name
+  end
+end
diff --git a/db/migrate/20210303193544_add_concurrent_fields_to_bulk_imports_trackers.rb b/db/migrate/20210303193544_add_concurrent_fields_to_bulk_imports_trackers.rb
new file mode 100644
index 00000000000..a2d3d6daf09
--- /dev/null
+++ b/db/migrate/20210303193544_add_concurrent_fields_to_bulk_imports_trackers.rb
@@ -0,0 +1,21 @@
+# frozen_string_literal: true
+
+class AddConcurrentFieldsToBulkImportsTrackers < ActiveRecord::Migration[6.0]
+  DOWNTIME = false
+
+  # rubocop:disable Migration/AddLimitToTextColumns
+  # rubocop:disable Rails/NotNullColumn
+  def up
+    add_column :bulk_import_trackers, :jid, :text
+    add_column :bulk_import_trackers, :stage, :smallint, default: 0, null: false
+    add_column :bulk_import_trackers, :status, :smallint, default: 0, null: false
+  end
+  # rubocop:enable Migration/AddLimitToTextColumns
+  # rubocop:enable Rails/NotNullColumn
+
+  def down
+    remove_column :bulk_import_trackers, :jid, :text
+    remove_column :bulk_import_trackers, :stage, :smallint
+    remove_column :bulk_import_trackers, :status, :smallint
+  end
+end
diff --git a/db/migrate/20210303193605_add_text_limits_to_bulk_imports_trackers_jid_and_pipeline_name.rb b/db/migrate/20210303193605_add_text_limits_to_bulk_imports_trackers_jid_and_pipeline_name.rb
new file mode 100644
index 00000000000..7686dd0343b
--- /dev/null
+++ b/db/migrate/20210303193605_add_text_limits_to_bulk_imports_trackers_jid_and_pipeline_name.rb
@@ -0,0 +1,16 @@
+# frozen_string_literal: true
+
+class AddTextLimitsToBulkImportsTrackersJidAndPipelineName < ActiveRecord::Migration[6.0]
+  include Gitlab::Database::MigrationHelpers
+  DOWNTIME = false
+
+  disable_ddl_transaction!
+
+  def up
+    add_text_limit :bulk_import_trackers, :jid, 255
+  end
+
+  def down
+    remove_text_limit :bulk_import_trackers, :jid
+  end
+end
diff --git a/db/migrate/20210305002016_update_terraform_states_locked_by_user_id_foreign_key.rb b/db/migrate/20210305002016_update_terraform_states_locked_by_user_id_foreign_key.rb
new file mode 100644
index 00000000000..aa4a4e9c928
--- /dev/null
+++ b/db/migrate/20210305002016_update_terraform_states_locked_by_user_id_foreign_key.rb
@@ -0,0 +1,29 @@
+# frozen_string_literal: true
+
+class UpdateTerraformStatesLockedByUserIdForeignKey < ActiveRecord::Migration[6.0]
+  include Gitlab::Database::MigrationHelpers
+
+  DOWNTIME = false
+  OLD_FOREIGN_KEY = 'fk_rails_558901b030'
+  NEW_FOREIGN_KEY = 'fk_558901b030'
+
+  disable_ddl_transaction!
+
+  def up
+    add_concurrent_foreign_key :terraform_states, :users,
+      column: :locked_by_user_id, on_delete: :nullify, name: NEW_FOREIGN_KEY
+
+    with_lock_retries do
+      remove_foreign_key :terraform_states, :users, name: OLD_FOREIGN_KEY
+    end
+  end
+
+  def down
+    add_concurrent_foreign_key :terraform_states, :users,
+      column: :locked_by_user_id, on_delete: nil, name: OLD_FOREIGN_KEY
+
+    with_lock_retries do
+      remove_foreign_key :terraform_states, :users, name: NEW_FOREIGN_KEY
+    end
+  end
+end
diff --git a/db/migrate/20210305013509_add_text_limit_to_group_ci_variables_environment_scope.rb b/db/migrate/20210305013509_add_text_limit_to_group_ci_variables_environment_scope.rb
new file mode 100644
index 00000000000..f5fa073b954
--- /dev/null
+++ b/db/migrate/20210305013509_add_text_limit_to_group_ci_variables_environment_scope.rb
@@ -0,0 +1,17 @@
+# frozen_string_literal: true
+
+class AddTextLimitToGroupCiVariablesEnvironmentScope < ActiveRecord::Migration[6.0]
+  include Gitlab::Database::MigrationHelpers
+
+  DOWNTIME = false
+
+  disable_ddl_transaction!
+
+  def up
+    add_text_limit :ci_group_variables, :environment_scope, 255
+  end
+
+  def down
+    remove_text_limit :ci_group_variables, :environment_scope
+  end
+end
diff --git a/db/migrate/20210305145622_add_terraform_module_max_file_size_to_plan_limits.rb b/db/migrate/20210305145622_add_terraform_module_max_file_size_to_plan_limits.rb
new file mode 100644
index 00000000000..d2342a66549
--- /dev/null
+++ b/db/migrate/20210305145622_add_terraform_module_max_file_size_to_plan_limits.rb
@@ -0,0 +1,9 @@
+# frozen_string_literal: true
+
+class AddTerraformModuleMaxFileSizeToPlanLimits < ActiveRecord::Migration[6.0]
+  DOWNTIME = false
+
+  def change
+    add_column :plan_limits, :terraform_module_max_file_size, :bigint, default: 1.gigabyte, null: false
+  end
+end
diff --git a/db/migrate/20210306121300_partition_web_hook_logs.rb b/db/migrate/20210306121300_partition_web_hook_logs.rb
new file mode 100644
index 00000000000..ff35a19648e
--- /dev/null
+++ b/db/migrate/20210306121300_partition_web_hook_logs.rb
@@ -0,0 +1,19 @@
+# frozen_string_literal: true
+
+class PartitionWebHookLogs < ActiveRecord::Migration[6.0]
+  include Gitlab::Database::MigrationHelpers
+  include Gitlab::Database::PartitioningMigrationHelpers
+
+  # Set this constant to true if this migration requires downtime.
+  DOWNTIME = false
+
+  disable_ddl_transaction!
+
+  def up
+    partition_table_by_date :web_hook_logs, :created_at
+  end
+
+  def down
+    drop_partitioned_table_for :web_hook_logs
+  end
+end
diff --git a/db/migrate/20210308125742_add_info_column_into_security_scans_table.rb b/db/migrate/20210308125742_add_info_column_into_security_scans_table.rb
new file mode 100644
index 00000000000..d701fa98259
--- /dev/null
+++ b/db/migrate/20210308125742_add_info_column_into_security_scans_table.rb
@@ -0,0 +1,9 @@
+# frozen_string_literal: true
+
+class AddInfoColumnIntoSecurityScansTable < ActiveRecord::Migration[6.0]
+  DOWNTIME = false
+
+  def change
+    add_column :security_scans, :info, :jsonb, null: false, default: {}
+  end
+end
diff --git a/db/migrate/20210308190413_change_batched_background_migrations_batch_class_name_default.rb b/db/migrate/20210308190413_change_batched_background_migrations_batch_class_name_default.rb
new file mode 100644
index 00000000000..f841c1e9bd5
--- /dev/null
+++ b/db/migrate/20210308190413_change_batched_background_migrations_batch_class_name_default.rb
@@ -0,0 +1,10 @@
+# frozen_string_literal: true
+
+class ChangeBatchedBackgroundMigrationsBatchClassNameDefault < ActiveRecord::Migration[6.0]
+  DOWNTIME = false
+
+  def change
+    change_column_default :batched_background_migrations, :batch_class_name,
+      from: 'Gitlab::Database::BackgroundMigration::PrimaryKeyBatchingStrategy', to: 'PrimaryKeyBatchingStrategy'
+  end
+end
diff --git a/db/migrate/20210309181019_add_last_used_at_to_cluster_agent_token.rb b/db/migrate/20210309181019_add_last_used_at_to_cluster_agent_token.rb
new file mode 100644
index 00000000000..2a29ab374e5
--- /dev/null
+++ b/db/migrate/20210309181019_add_last_used_at_to_cluster_agent_token.rb
@@ -0,0 +1,9 @@
+# frozen_string_literal: true
+
+class AddLastUsedAtToClusterAgentToken < ActiveRecord::Migration[6.0]
+  DOWNTIME = false
+
+  def change
+    add_column :cluster_agent_tokens, :last_used_at, :datetime_with_timezone
+  end
+end
diff --git a/db/migrate/20210310000627_add_idx_vulnerability_occurrences_dedup.rb b/db/migrate/20210310000627_add_idx_vulnerability_occurrences_dedup.rb
new file mode 100644
index 00000000000..5ffcc005225
--- /dev/null
+++ b/db/migrate/20210310000627_add_idx_vulnerability_occurrences_dedup.rb
@@ -0,0 +1,24 @@
+# frozen_string_literal: true
+
+# See https://docs.gitlab.com/ee/development/migration_style_guide.html
+# for more information on how to write migrations for GitLab.
+
+class AddIdxVulnerabilityOccurrencesDedup < ActiveRecord::Migration[6.0]
+  include Gitlab::Database::MigrationHelpers
+
+  DOWNTIME = false
+
+  TABLE = :vulnerability_occurrences
+  INDEX_NAME = 'index_vulnerability_occurrences_deduplication'
+  COLUMNS = %i[project_id report_type project_fingerprint]
+
+  disable_ddl_transaction!
+
+  def up
+    add_concurrent_index TABLE, COLUMNS, name: INDEX_NAME
+  end
+
+  def down
+    remove_concurrent_index TABLE, COLUMNS, name: INDEX_NAME
+  end
+end
diff --git a/db/migrate/20210310111009_add_settings_to_group_merge_request_approval_settings.rb b/db/migrate/20210310111009_add_settings_to_group_merge_request_approval_settings.rb
new file mode 100644
index 00000000000..088f400efb9
--- /dev/null
+++ b/db/migrate/20210310111009_add_settings_to_group_merge_request_approval_settings.rb
@@ -0,0 +1,14 @@
+# frozen_string_literal: true
+
+class AddSettingsToGroupMergeRequestApprovalSettings < ActiveRecord::Migration[6.0]
+  DOWNTIME = false
+
+  def change
+    change_table(:group_merge_request_approval_settings, bulk: true) do |t|
+      t.column :allow_committer_approval, :boolean, null: false, default: false
+      t.column :allow_overrides_to_approver_list_per_merge_request, :boolean, null: false, default: false
+      t.column :retain_approvals_on_push, :boolean, null: false, default: false
+      t.column :require_password_to_approve, :boolean, null: false, default: false
+    end
+  end
+end