before_validation :update_state_from_old_state_attrs
validate :ensure_script_version_is_commit
validate :find_docker_image_locator
validate :validate_status
validate :validate_state_change
before_validation :update_state_from_old_state_attrs
validate :ensure_script_version_is_commit
validate :find_docker_image_locator
validate :validate_status
validate :validate_state_change