def bump_revision(context, resource, resource_type): revision_number = ovn_utils.get_revision_number(resource, resource_type) with context.session.begin(subtransactions=True): _ensure_revision_row_exist(context, resource, resource_type) std_attr_id = _get_standard_attr_id(context, resource['id'], resource_type) row = context.session.merge( ovn_models.OVNRevisionNumbers(standard_attr_id=std_attr_id, resource_uuid=resource['id'], resource_type=resource_type)) if revision_number < row.revision_number: LOG.debug( 'Skip bumping the revision number for %(res_uuid)s (type: ' '%(res_type)s) to %(rev_num)d. A higher version is already ' 'registered in the database (%(new_rev)d)', { 'res_type': resource_type, 'res_uuid': resource['id'], 'rev_num': revision_number, 'new_rev': row.revision_number }) return row.revision_number = revision_number context.session.merge(row) LOG.info( 'Successfully bumped revision number for resource ' '%(res_uuid)s (type: %(res_type)s) to %(rev_num)d', { 'res_uuid': resource['id'], 'res_type': resource_type, 'rev_num': revision_number })
def create_initial_revision(context, resource_uuid, resource_type, revision_number=INITIAL_REV_NUM, may_exist=False): LOG.debug('create_initial_revision uuid=%s, type=%s, rev=%s', resource_uuid, resource_type, revision_number) db_func = context.session.merge if may_exist else context.session.add with context.session.begin(subtransactions=True): std_attr_id = _get_standard_attr_id(context, resource_uuid, resource_type) row = ovn_models.OVNRevisionNumbers(resource_uuid=resource_uuid, resource_type=resource_type, standard_attr_id=std_attr_id, revision_number=revision_number) db_func(row)
def create_initial_revision(context, resource_uuid, resource_type, revision_number=INITIAL_REV_NUM, may_exist=False, std_attr_id=None): LOG.debug('create_initial_revision uuid=%s, type=%s, rev=%s', resource_uuid, resource_type, revision_number) db_func = context.session.merge if may_exist else context.session.add with db_api.CONTEXT_WRITER.using(context): std_attr_id = std_attr_id or _get_standard_attr_id( context, resource_uuid, resource_type) row = ovn_models.OVNRevisionNumbers(resource_uuid=resource_uuid, resource_type=resource_type, standard_attr_id=std_attr_id, revision_number=revision_number) db_func(row)
def bump_revision(context, resource, resource_type): revision_number = ovn_utils.get_revision_number(resource, resource_type) with db_api.CONTEXT_WRITER.using(context): # NOTE(ralonsoh): "resource" could be a dict or an OVO. try: std_attr_id = resource.db_obj.standard_attr.id except AttributeError: std_attr_id = resource.get('standard_attr_id', None) _ensure_revision_row_exist(context, resource, resource_type, std_attr_id) std_attr_id = (std_attr_id or _get_standard_attr_id( context, resource['id'], resource_type)) row = context.session.merge( ovn_models.OVNRevisionNumbers(standard_attr_id=std_attr_id, resource_uuid=resource['id'], resource_type=resource_type)) if revision_number < row.revision_number: LOG.debug( 'Skip bumping the revision number for %(res_uuid)s (type: ' '%(res_type)s) to %(rev_num)d. A higher version is already ' 'registered in the database (%(new_rev)d)', { 'res_type': resource_type, 'res_uuid': resource['id'], 'rev_num': revision_number, 'new_rev': row.revision_number }) return row.revision_number = revision_number context.session.merge(row) LOG.info( 'Successfully bumped revision number for resource ' '%(res_uuid)s (type: %(res_type)s) to %(rev_num)d', { 'res_uuid': resource['id'], 'res_type': resource_type, 'rev_num': revision_number })