debian-mirror-gitlab/lib/gitlab/database/migration_helpers/restrict_gitlab_schema.rb
2022-07-29 14:03:07 +02:00

63 lines
1.8 KiB
Ruby

# frozen_string_literal: true
module Gitlab
module Database
module MigrationHelpers
module RestrictGitlabSchema
extend ActiveSupport::Concern
included do
class_attribute :allowed_gitlab_schemas
end
class_methods do
def restrict_gitlab_migration(gitlab_schema:)
unless Gitlab::Database::GitlabSchema.schema_names.include?(gitlab_schema)
raise "Unknown 'gitlab_schema: #{gitlab_schema}' specified. It needs to be one of: " \
"#{Gitlab::Database::GitlabSchema.schema_names.to_a}"
end
self.allowed_gitlab_schemas = [gitlab_schema]
end
end
def exec_migration(conn, direction)
if unmatched_schemas.any?
migration_skipped
return
end
Gitlab::Database::QueryAnalyzer.instance.within([validator_class, connection_validator_class]) do
validator_class.allowed_gitlab_schemas = self.allowed_gitlab_schemas
super
end
end
private
def migration_skipped
say "The migration is skipped since it modifies the schemas: #{self.class.allowed_gitlab_schemas}."
say "This database can only apply migrations in one of the following schemas: " \
"#{allowed_schemas_for_connection}."
end
def validator_class
Gitlab::Database::QueryAnalyzers::RestrictAllowedSchemas
end
def connection_validator_class
Gitlab::Database::QueryAnalyzers::GitlabSchemasValidateConnection
end
def unmatched_schemas
(self.allowed_gitlab_schemas || []) - allowed_schemas_for_connection
end
def allowed_schemas_for_connection
Gitlab::Database.gitlab_schemas_for_connection(connection)
end
end
end
end
end