def tags(self):
# TODO(andy) Move metadata to a new DBO subclass "DBO with metadata"
meta = db.get_metadata('instance', self.uuid)
if not meta:
# Gracefully handle malformed instances
return None
return meta.get(self.METADATA_KEY_TAGS, None)
def delete(self, namespace, key=None, value=None):
if not key:
return error(400, 'no key specified')
with db.get_lock('metadata', 'namespace', namespace):
md = db.get_metadata('namespace', namespace)
if md is None or key not in md:
return error(404, 'key not found')
del md[key]
db.persist_metadata('namespace', namespace, md)
def delete(self, network_uuid=None, key=None, network_from_db=None):
if not key:
return error(400, 'no key specified')
with db.get_lock('metadata', 'network', network_uuid):
md = db.get_metadata('network', network_uuid)
if md is None or key not in md:
return error(404, 'key not found')
del md[key]
db.persist_metadata('network', network_uuid, md)
def delete(self, instance_uuid=None, key=None, instance_from_db=None):
if not key:
return error(400, 'no key specified')
with db.get_lock('sf/metadata/instance/%s' % instance_uuid) as _:
md = db.get_metadata('instance', instance_uuid)
if md is None or key not in md:
return error(404, 'key not found')
del md[key]
db.persist_metadata('instance', instance_uuid, md)
def _metadata_putpost(meta_type, owner, key, value):
if meta_type not in ['namespace', 'instance', 'network']:
return error(500, 'invalid meta_type %s' % meta_type)
if not key:
return error(400, 'no key specified')
if not value:
return error(400, 'no value specified')
with db.get_lock('metadata', meta_type, owner):
md = db.get_metadata(meta_type, owner)
if md is None:
md = {}
md[key] = value
db.persist_metadata(meta_type, owner, md)
def get(self, namespace=None):
md = db.get_metadata('namespace', namespace)
if not md:
return {}
return md
def affinity(self):
# TODO(andy) Move metadata to a new DBO subclass "DBO with metadata"
meta = db.get_metadata('instance', self.uuid)
return meta.get(self.METADATA_KEY_AFFINITY, {})
def get(self, network_uuid=None, network_from_db=None):
md = db.get_metadata('network', network_uuid)
if not md:
return {}
return md
def get(self, instance_uuid=None, instance_from_db=None):
md = db.get_metadata('instance', instance_uuid)
if not md:
return {}
return md
