def __delete_nodes(self, session: Session, kitmgr: KitActionsManager,
nodes: List[NodeModel]) -> None:
"""
:raises DeleteNodeFailed:
"""
hwprofile_nodes = self.__pre_delete_nodes(kitmgr, nodes)
# commit node state changes to database
session.commit()
for hwprofile, node_data_dicts in hwprofile_nodes.items():
# build list of NodeModels
node_objs: List[NodeModel] = [
node_data_dict['node'] for node_data_dict in node_data_dicts
]
# Call resource adapter deleteNode() entry point
self.__get_resource_adapter(session,
hwprofile).deleteNode(node_objs)
# Perform delete node action for each node in hwprofile
for node_data_dict in node_data_dicts:
# get JSON object for node record
node_dict = NodeSchema(
only=('hardwareprofile', 'softwareprofile', 'name',
'state'),
exclude=('softwareprofile.metadata', )).dump(
node_data_dict['node']).data
# Delete the Node
self._logger.debug('Deleting node [%s]', node_dict['name'])
#
# Fire node state change events
#
NodeStateChanged.fire(
node=node_dict,
previous_state=node_data_dict['previous_state'])
session.delete(node_data_dict['node'])
# Commit the actual deletion of this node to the DB. This is required
# as the post_delete hooks may use a different DB session and we have
# already commited some changes for this node.
session.commit()
self.__post_delete(kitmgr, node_dict)
self._logger.info('Node [%s] deleted', node_dict['name'])
# clean up add host session cache
self._addHostManager.delete_sessions(
set([
node.addHostSession for node in node_objs
if node.addHostSession
]))
self.__scheduleUpdate()
def updateNode(self, session: Session, nodeName: str,
updateNodeRequest: dict) -> None:
"""
Calls updateNode() method of resource adapter
"""
self._logger.debug('updateNode(): name=[{0}]'.format(nodeName))
try:
#
# Get the old version for comparison later
#
node_old: Node = self.getNode(session, nodeName)
db_node = self._nodesDbHandler.getNode(session, nodeName)
if 'nics' in updateNodeRequest:
nic = updateNodeRequest['nics'][0]
if 'ip' in nic:
db_node.nics[0].ip = nic['ip']
db_node.nics[0].boot = True
adapter = self.__getResourceAdapter(session,
db_node.hardwareprofile)
adapter.updateNode(session, db_node, updateNodeRequest)
run_post_install = False
if 'state' in updateNodeRequest:
run_post_install = \
db_node.state == state.NODE_STATE_ALLOCATED and \
updateNodeRequest['state'] == state.NODE_STATE_PROVISIONED
db_node.state = updateNodeRequest['state']
session.commit()
#
# Fire events as required
#
# Get the current/new state of the node from the DB
#
node: Node = self.getNode(session, nodeName)
if node.getState() != node_old.getState():
NodeStateChanged.fire(node=node.getCleanDict(),
previous_state=node_old.getState())
if node.getTags() != node_old.getTags():
NodeTagsChanged.fire(node=node.getCleanDict(),
previous_tags=node_old.getTags())
if run_post_install:
self._logger.debug(
'updateNode(): run-post-install for node [{0}]'.format(
db_node.name))
self.__scheduleUpdate()
except Exception:
session.rollback()
raise
def _event_state_changed(self, node_old: Node, node: Node):
if node_old.state != node.state:
NodeStateChanged(node=self._marshall(node),
previous_state=node_old.state)
def __delete_node(self, session: Session, dbNodes: List[NodeModel]) \
-> Dict[str, List[NodeModel]]:
"""
Raises:
DeleteNodeFailed
"""
result: Dict[str, list] = {
'NodesDeleted': [],
'DeleteNodeFailed': [],
'SoftwareProfileLocked': [],
'SoftwareProfileHardLocked': [],
}
nodes: Dict[HardwareProfileModel, List[NodeModel]] = {}
events_to_fire: List[dict] = []
#
# Mark node states as deleted in the database
#
for dbNode in dbNodes:
#
# Capture previous state and node data as a dict for firing
# the event later on
#
event_data = {
'previous_state': dbNode.state,
'node': Node.getFromDbDict(dbNode.__dict__).getCleanDict()
}
dbNode.state = state.NODE_STATE_DELETED
event_data['node']['state'] = 'Deleted'
if dbNode.hardwareprofile not in nodes:
nodes[dbNode.hardwareprofile] = [dbNode]
else:
nodes[dbNode.hardwareprofile].append(dbNode)
session.commit()
#
# Fire node state change events
#
for event in events_to_fire:
NodeStateChanged.fire(node=event['node'],
previous_state=event['previous_state'])
#
# Call resource adapter with batch(es) of node lists keyed on
# hardware profile.
#
for hwprofile, hwprofile_nodes in nodes.items():
# Get the ResourceAdapter
adapter = self.__get_resource_adapter(session, hwprofile)
# Call the resource adapter
adapter.deleteNode(hwprofile_nodes)
# Iterate over all nodes in hardware profile, completing the
# delete operation.
for dbNode in hwprofile_nodes:
for tag in dbNode.tags:
if len(tag.nodes) == 1 and \
not tag.softwareprofiles and \
not tag.hardwareprofiles:
session.delete(tag)
# Delete the Node
self._logger.debug('Deleting node [%s]' % (dbNode.name))
session.delete(dbNode)
result['NodesDeleted'].append(dbNode)
return result
def updateNodeStatus(self,
session: Session,
nodeName: str,
node_state: Optional[str] = None,
bootFrom: int = None):
"""Update node status
If neither 'state' nor 'bootFrom' are not None, this operation will
update only the 'lastUpdated' timestamp.
Returns:
bool indicating whether state and/or bootFrom differed from
current value
"""
value = 'None' if bootFrom is None else \
'1 (disk)' if int(bootFrom) == 1 else '0 (network)'
self._logger.debug(
'updateNodeStatus(): node=[%s], node_state=[{%s}],'
' bootFrom=[{%s}]', nodeName, node_state, value)
dbNode = self._nodesDbHandler.getNode(session, nodeName)
#
# Capture previous state and node data in dict form for the
# event later on
#
previous_state = dbNode.state
node_dict = Node.getFromDbDict(dbNode.__dict__).getCleanDict()
# Bitfield representing node changes (0 = state change,
# 1 = bootFrom # change)
changed = 0
if node_state is not None and node_state != dbNode.state:
# 'state' changed
changed |= 1
if bootFrom is not None and bootFrom != dbNode.bootFrom:
# 'bootFrom' changed
changed |= 2
if changed:
# Create custom log message
msg = 'Node [%s] state change:' % (dbNode.name)
if changed & 1:
msg += ' state: [%s] -> [%s]' % (dbNode.state, node_state)
dbNode.state = node_state
node_dict['state'] = node_state
if changed & 2:
msg += ' bootFrom: [%d] -> [%d]' % (dbNode.bootFrom, bootFrom)
dbNode.bootFrom = bootFrom
self._logger.info(msg)
else:
self._logger.info('Updated timestamp for node [%s]' %
(dbNode.name))
dbNode.lastUpdate = time.strftime('%Y-%m-%d %H:%M:%S',
time.localtime(time.time()))
result = bool(changed)
# Only change local boot configuration if the hardware profile is
# not marked as 'remote' and we're not acting on the installer
# node.
if dbNode.softwareprofile and \
dbNode.softwareprofile.type != 'installer' and \
dbNode.hardwareprofile.location != 'remote':
# update local boot configuration for on-premise nodes
self._bhm.writePXEFile(session, dbNode, localboot=bootFrom)
session.commit()
#
# If the node state has changed, fire the node state changed
# event
#
if state and (previous_state != state):
NodeStateChanged.fire(node=node_dict,
previous_state=previous_state)
return result
def updateNode(self, session: Session, nodeName: str,
updateNodeRequest: dict) -> None:
"""
Calls updateNode() method of resource adapter
"""
self._logger.debug('updateNode(): name=[{0}]'.format(nodeName))
try:
node = self._nodesDbHandler.getNode(session, nodeName)
if 'nics' in updateNodeRequest:
nic = updateNodeRequest['nics'][0]
if 'ip' in nic:
node.nics[0].ip = nic['ip']
node.nics[0].boot = True
# Call resource adapter
# self._nodesDbHandler.updateNode(session, node, updateNodeRequest)
adapter = self.__getResourceAdapter(node.hardwareprofile)
adapter.updateNode(session, node, updateNodeRequest)
run_post_install = False
#
# Capture previous state and node data as dict for firing the
# event later on
#
previous_state = node.state
node_dict = Node.getFromDbDict(node.__dict__).getCleanDict()
if 'state' in updateNodeRequest:
run_post_install = \
node.state == state.NODE_STATE_ALLOCATED and \
updateNodeRequest['state'] == state.NODE_STATE_PROVISIONED
node.state = updateNodeRequest['state']
node_dict['state'] = updateNodeRequest['state']
session.commit()
#
# If the node state has changed, then fire the node state changed
# event
#
if node_dict['state'] != previous_state:
NodeStateChanged.fire(node=node_dict,
previous_state=previous_state)
if run_post_install:
self._logger.debug(
'updateNode(): run-post-install for node [{0}]'.format(
node.name))
self.__scheduleUpdate()
except Exception:
session.rollback()
raise