def has_rse_attribute(rse_id, key): """ Indicates whether the named key is present for the RSE. :param rse_id: The RSE id. :param key: The key for the attribute. :returns: True or False """ return rse_module.has_rse_attribute(rse_id=rse_id, key=key)
def has_rse_attribute(rse_id, key, session=None): """ Indicates whether the named key is present for the RSE. :param rse_id: The RSE id. :param key: The key for the attribute. :param session: The database session in use. :returns: True or False """ return rse_module.has_rse_attribute(rse_id=rse_id, key=key, session=session)
def __init__(self, account, rses, weight, copies, ignore_account_limit=False, session=None): """ Initialize the RSE Selector. :param account: Account owning the rule. :param rses: List of rse dictionaries. :param weight: Weighting to use. :param copies: Number of copies to create. :param ignore_account_limit: Flag if the quota should be ignored. :param session: DB Session in use. :raises: InvalidRuleWeight, InsufficientAccountLimit, InsufficientTargetRSEs """ self.account = account self.rses = [] # [{'rse_id':, 'weight':, 'staging_area'}] self.copies = copies if weight is not None: for rse in rses: attributes = list_rse_attributes(rse_id=rse['id'], session=session) availability_write = True if rse.get('availability', 7) & 2 else False if weight not in attributes: continue # The RSE does not have the required weight set, therefore it is ignored try: self.rses.append({ 'rse_id': rse['id'], 'weight': float(attributes[weight]), 'mock_rse': attributes.get('mock', False), 'availability_write': availability_write, 'staging_area': rse['staging_area'] }) except ValueError: raise InvalidRuleWeight( 'The RSE \'%s\' has a non-number specified for the weight \'%s\'' % (rse['rse'], weight)) else: for rse in rses: mock_rse = has_rse_attribute(rse['id'], 'mock', session=session) availability_write = True if rse.get('availability', 7) & 2 else False self.rses.append({ 'rse_id': rse['id'], 'weight': 1, 'mock_rse': mock_rse, 'availability_write': availability_write, 'staging_area': rse['staging_area'] }) if len(self.rses) < self.copies: raise InsufficientTargetRSEs( 'Target RSE set not sufficient for number of copies. (%s copies requested, RSE set size %s)' % (self.copies, len(self.rses))) rses_with_enough_quota = [] if has_account_attribute(account=account, key='admin', session=session) or ignore_account_limit: for rse in self.rses: rse['quota_left'] = float('inf') rse['space_left'] = float('inf') rses_with_enough_quota.append(rse) else: global_quota_limit = get_global_account_limits(account=account, session=session) all_rse_usages = { usage['rse_id']: usage['bytes'] for usage in get_all_rse_usages_per_account(account=account, session=session) } for rse in self.rses: if rse['mock_rse']: rse['quota_left'] = float('inf') rse['space_left'] = float('inf') rses_with_enough_quota.append(rse) else: # check local quota local_quota_left = None quota_limit = get_local_account_limit(account=account, rse_id=rse['rse_id'], session=session) if quota_limit is None: local_quota_left = 0 else: local_quota_left = quota_limit - get_usage( rse_id=rse['rse_id'], account=account, session=session)['bytes'] # check global quota rse['global_quota_left'] = {} all_global_quota_enough = True for rse_expression, limit in global_quota_limit.items(): if rse['rse_id'] in limit['resolved_rse_ids']: quota_limit = limit['limit'] global_quota_left = None if quota_limit is None: global_quota_left = 0 else: rse_expression_usage = 0 for rse_id in limit['resolved_rse_ids']: rse_expression_usage += all_rse_usages.get( rse_id, 0) global_quota_left = quota_limit - rse_expression_usage if global_quota_left <= 0: all_global_quota_enough = False break else: rse['global_quota_left'][ rse_expression] = global_quota_left if local_quota_left > 0 and all_global_quota_enough: rse['quota_left'] = local_quota_left space_limit = get_rse_limits( name='MaxSpaceAvailable', rse_id=rse['rse_id'], session=session).get('MaxSpaceAvailable') if space_limit is None or space_limit < 0: rse['space_left'] = float('inf') else: rse['space_left'] = space_limit - get_rse_counter( rse_id=rse['rse_id'], session=session)['bytes'] rses_with_enough_quota.append(rse) self.rses = rses_with_enough_quota if len(self.rses) < self.copies: raise InsufficientAccountLimit( 'There is insufficient quota on any of the target RSE\'s to fullfill the operation.' )
def __init__(self, account, rses, weight, copies, ignore_account_limit=False, session=None): """ Initialize the RSE Selector. :param account: Account owning the rule. :param rses: List of rse dictionaries. :param weight: Weighting to use. :param copies: Number of copies to create. :param ignore_account_limit: Flag if the quota should be ignored. :param session: DB Session in use. :raises: InvalidRuleWeight, InsufficientAccountLimit, InsufficientTargetRSEs """ self.account = account self.rses = [] # [{'rse_id':, 'weight':, 'staging_area'}] self.copies = copies if weight is not None: for rse in rses: attributes = list_rse_attributes(rse=None, rse_id=rse['id'], session=session) availability_write = True if rse.get('availability', 7) & 2 else False if weight not in attributes: continue # The RSE does not have the required weight set, therefore it is ignored try: self.rses.append({'rse_id': rse['id'], 'weight': float(attributes[weight]), 'mock_rse': attributes.get('mock', False), 'availability_write': availability_write, 'staging_area': rse['staging_area']}) except ValueError: raise InvalidRuleWeight('The RSE with id \'%s\' has a non-number specified for the weight \'%s\'' % (rse['id'], weight)) else: for rse in rses: mock_rse = has_rse_attribute(rse['id'], 'mock', session=session) availability_write = True if rse.get('availability', 7) & 2 else False self.rses.append({'rse_id': rse['id'], 'weight': 1, 'mock_rse': mock_rse, 'availability_write': availability_write, 'staging_area': rse['staging_area']}) if len(self.rses) < self.copies: raise InsufficientTargetRSEs('Target RSE set not sufficient for number of copies. (%s copies requested, RSE set size %s)' % (self.copies, len(self.rses))) if has_account_attribute(account=account, key='admin', session=session) or ignore_account_limit: for rse in self.rses: rse['quota_left'] = float('inf') else: for rse in self.rses: if rse['mock_rse']: rse['quota_left'] = float('inf') else: # TODO: Add RSE-space-left here! limit = get_account_limit(account=account, rse_id=rse['rse_id'], session=session) if limit is None: rse['quota_left'] = 0 else: rse['quota_left'] = limit - get_counter(rse_id=rse['rse_id'], account=account, session=session)['bytes'] self.rses = [rse for rse in self.rses if rse['quota_left'] > 0] if len(self.rses) < self.copies: raise InsufficientAccountLimit('There is insufficient quota on any of the target RSE\'s to fullfill the operation.')