def __init__(self, definition_cfg, default_archive_policy, plugin_manager):
self._default_archive_policy = default_archive_policy
self.cfg = definition_cfg
for field, field_type in self.MANDATORY_FIELDS.items():
if field not in self.cfg:
raise declarative.ResourceDefinitionException(
_LE("Required field %s not specified") % field, self.cfg)
if not isinstance(self.cfg[field], field_type):
raise declarative.ResourceDefinitionException(
_LE("Required field %(field)s should be a %(type)s") % {
'field': field,
'type': field_type
}, self.cfg)
self._attributes = {}
for name, attr_cfg in self.cfg.get('attributes', {}).items():
self._attributes[name] = declarative.Definition(
name, attr_cfg, plugin_manager)
self._event_attributes = {}
for name, attr_cfg in self.cfg.get('event_attributes', {}).items():
self._event_attributes[name] = declarative.Definition(
name, attr_cfg, plugin_manager)
self.metrics = {}
for t in self.cfg['metrics']:
archive_policy = self.cfg.get('archive_policy',
self._default_archive_policy)
if archive_policy is None:
self.metrics[t] = {}
else:
self.metrics[t] = dict(archive_policy_name=archive_policy)
def _check_required_and_types(expected, definition):
for field, field_types in expected.items():
if field not in definition:
raise declarative.ResourceDefinitionException(
_("Required field %s not specified") % field, definition)
if not isinstance(definition[field], field_types):
raise declarative.ResourceDefinitionException(
_("Required field %(field)s should be a %(type)s") %
{'field': field, 'type': field_types}, definition)
