def fill_slots(node_guid, osd_information, metadata=None):
"""
Creates 1 or more new OSDs
:param node_guid: Guid of the node to which the disks belong
:type node_guid: str
:param osd_information: Information about the amount of OSDs to add to each Slot
:type osd_information: list
:param metadata: Metadata to add to the OSD (connection information for remote Backend, general Backend information)
:type metadata: dict
:return: None
:rtype: NoneType
"""
metadata_type_validation = {
'integer': (int, None),
'osd_type': (str, AlbaOSD.OSD_TYPES.keys()),
'ip': (str, ExtensionsToolbox.regex_ip),
'port': (int, {
'min': 1,
'max': 65535
})
}
node = AlbaNode(node_guid)
required_params = {'slot_id': (str, None)}
can_be_filled = False
for flow in ['fill', 'fill_add']:
if node.node_metadata[flow] is False:
continue
can_be_filled = True
if flow == 'fill_add':
required_params['alba_backend_guid'] = (str, None)
for key, mtype in node.node_metadata['{0}_metadata'.format(
flow)].iteritems():
if mtype in metadata_type_validation:
required_params[key] = metadata_type_validation[mtype]
if can_be_filled is False:
raise ValueError('The given node does not support filling slots')
validation_reasons = []
for osd_info in osd_information: # type: dict
try:
ExtensionsToolbox.verify_required_params(
required_params=required_params, actual_params=osd_info)
except RuntimeError as ex:
validation_reasons.append(str(ex))
if len(validation_reasons) > 0:
raise ValueError('Missing required parameter:\n *{0}'.format(
'\n* '.join(validation_reasons)))
for osd_info in osd_information:
if node.node_metadata['fill'] is True:
# Only filling is required
AlbaNodeController._fill_slot(
node, osd_info['slot_id'],
dict((key, osd_info[key])
for key in node.node_metadata['fill_metadata']))
elif node.node_metadata['fill_add'] is True:
# Fill the slot
created_osds = AlbaNodeController._fill_slot(
node, osd_info['slot_id'],
dict((key, osd_info[key])
for key in node.node_metadata['fill_add_metadata']))
# And add/claim the OSD
if node.type == AlbaNode.NODE_TYPES.S3:
# The S3 manager returns the information about the osd when filling it
for created_osd_info in created_osds:
osd_info.update(
created_osd_info
) # Add additional information about the osd
AlbaController.add_osds(
alba_backend_guid=osd_info['alba_backend_guid'],
osds=[osd_info],
alba_node_guid=node_guid,
metadata=metadata)
else:
AlbaController.add_osds(
alba_backend_guid=osd_info['alba_backend_guid'],
osds=[osd_info],
alba_node_guid=node_guid,
metadata=metadata)
node.invalidate_dynamics('stack')
def fill_slots(node_cluster_guid,
node_guid,
osd_information,
metadata=None):
# type: (str, str, List[Dict[str, Any]]) -> None
"""
Creates 1 or more new OSDs
:param node_cluster_guid: Guid of the node cluster to which the disks belong
:type node_cluster_guid: basestring
:param node_guid: Guid of the AlbaNode to act as the 'active' side
:type node_guid: basestring
:param osd_information: Information about the amount of OSDs to add to each Slot
:type osd_information: list
:param metadata: Metadata to add to the OSD (connection information for remote Backend, general Backend information)
:type metadata: dict
:return: None
:rtype: NoneType
"""
metadata_type_validation = {
'integer': (int, None),
'osd_type': (str, AlbaOSD.OSD_TYPES.keys()),
'ip': (str, ExtensionsToolbox.regex_ip),
'port': (int, {
'min': 1,
'max': 65535
})
}
node_cluster = AlbaNodeCluster(node_cluster_guid)
# Check for the active side if it's part of the cluster
active_node = AlbaNode(node_guid)
if active_node not in node_cluster.alba_nodes:
raise ValueError(
'The requested active AlbaNode is not part of AlbaNodeCluster {0}'
.format(node_cluster.guid))
required_params = {'slot_id': (str, None)}
can_be_filled = False
for flow in ['fill', 'fill_add']:
if node_cluster.cluster_metadata[flow] is False:
continue
can_be_filled = True
if flow == 'fill_add':
required_params['alba_backend_guid'] = (str, None)
for key, mtype in node_cluster.cluster_metadata[
'{0}_metadata'.format(flow)].iteritems():
if mtype in metadata_type_validation:
required_params[key] = metadata_type_validation[mtype]
if can_be_filled is False:
raise ValueError(
'The given node cluster does not support filling slots')
validation_reasons = []
for slot_info in osd_information:
try:
ExtensionsToolbox.verify_required_params(
required_params=required_params, actual_params=slot_info)
except RuntimeError as ex:
validation_reasons.append(str(ex))
if len(validation_reasons) > 0:
raise ValueError('Missing required parameter:\n *{0}'.format(
'\n* '.join(validation_reasons)))
for slot_info in osd_information:
if node_cluster.cluster_metadata['fill'] is True:
# Only filling is required
active_node.client.fill_slot(
slot_id=slot_info['slot_id'],
extra=dict((key, slot_info[key]) for key in
node_cluster.cluster_metadata['fill_metadata']))
elif node_cluster.cluster_metadata['fill_add'] is True:
# Fill the slot
active_node.client.fill_slot(
slot_id=slot_info['slot_id'],
extra=dict(
(key, slot_info[key]) for key in
node_cluster.cluster_metadata['fill_add_metadata']))
# And add/claim the OSD
AlbaController.add_osds(
alba_backend_guid=slot_info['alba_backend_guid'],
osds=[slot_info],
alba_node_guid=node_guid,
metadata=metadata)
# Invalidate the stack and sync towards all passive sides
active_node.invalidate_dynamics('stack')
for node in node_cluster.alba_nodes:
if node != active_node:
try:
node.client.sync_stack(active_node.stack)
except:
AlbaNodeClusterController._logger.exception(
'Error while syncing stacks to the passive side')
node_cluster.invalidate_dynamics('stack')