def create_vnf(self, opts, host):
options = copy.deepcopy(opts)
host_name = getattr(host, 'name', None)
if host_name is None:
raise RuntimeError("Unsupported host type: %s" % type(host))
vnf = Store()
del options['name']
vnf.startCmd = self.catalog.make_cmd(options['function'],
name=host_name,
**options)
return vnf
def _fire_vnf_update(self, vnf_name, status):
m = {'FAILED': 'failed',
'UP_AND_RUNNING': 'running',
'INITIALIZING': 'starting',
'STOPPED': 'stopped',
}
event = Store()
event.name = vnf_name
try:
event.on_node = self.network.nodes[vnf_name]['parent']
except KeyError:
event.on_node = None
event.status = m.get(status, 'failed')
self.fire('vnf_update', event)
def __init__(self):
'lazy init'
self.__dict__ = self.__shared_state
if self.__dict__:
# already initialized
return
GenericEventNotifyer.__init__(self)
self.net = None
# Initial topo to create Mininet topology
self.initial_topo = None
# Network state
self.state = NetworkManager.DOWN
self.port_map = {}
self.dpid = {}
# Running topo to manage/store running topo obtained from Mininet - dummy object
self.network = Store()
# Active link list
self.network.links = {}
# Active node list
self.network.nodes = {}
# Queue for parallel event processing
self.of_event_queue = []
# Timer daemon process for periodic polling
self.process = None
self.vnf_manager = None
self.last_status_poll = 0
pox.core.core.listen_to_dependencies(self)
# Start periodic scan
self.periodic_scan()
def _fire_vnf_update(self, vnf_name, status):
m = {
'FAILED': 'failed',
'UP_AND_RUNNING': 'running',
'INITIALIZING': 'starting',
'STOPPED': 'stopped',
}
event = Store()
event.name = vnf_name
try:
event.on_node = self.network.nodes[vnf_name]['parent']
except KeyError:
event.on_node = None
event.status = m.get(status, 'failed')
self.fire('vnf_update', event)
def _fire_port_map_update(self, port_map):
event = Store()
event.port_map = port_map
self.fire('port_map_update', event)
def _fire_dpid_update(self, dpids):
event = Store()
event.dpids = dpids
self.fire('dpid_update', event)
def _fire_network_state_change(self):
"""Signalling the node/link params are changed"""
event = Store()
event.state = self.state
self.fire('network_state_change', event)
def _fire_port_map_update(self, port_map):
event = Store()
event.port_map = port_map
self.fire('port_map_update', event)
def _fire_dpid_update(self, dpids):
event = Store()
event.dpids = dpids
self.fire('dpid_update', event)
def _fire_network_state_change(self):
"""Signalling the node/link params are changed"""
event = Store()
event.state = self.state
self.fire('network_state_change', event)
