def daemon_loop(self):
# TODO(yamamoto):
# It might be better to monitor port status async messages
sync = True
ports = set()
tunnel_sync = True
while True:
start = time.time()
port_stats = {'regular': {'added': 0, 'updated': 0, 'removed': 0}}
LOG.debug("Agent daemon_loop - iteration:%d started",
self.iter_num)
if sync:
LOG.info(_("Agent out of sync with plugin!"))
ports.clear()
sync = False
# Notify the plugin of tunnel IP
if self.enable_tunneling and tunnel_sync:
LOG.info(_("Agent tunnel out of sync with plugin!"))
try:
tunnel_sync = self.tunnel_sync()
except Exception:
LOG.exception(_("Error while synchronizing tunnels"))
tunnel_sync = True
LOG.debug(
"Agent daemon_loop - iteration:%(iter_num)d - "
"starting polling. Elapsed:%(elapsed).3f", {
'iter_num': self.iter_num,
'elapsed': time.time() - start
})
try:
# Save updated ports dict to perform rollback in
# case resync would be needed, and then clear
# self.updated_ports. As the greenthread should not yield
# between these two statements, this will be thread-safe
updated_ports_copy = self.updated_ports
self.updated_ports = set()
port_info = self.scan_ports(ports, updated_ports_copy)
ports = port_info['current']
LOG.debug(
"Agent daemon_loop - iteration:%(iter_num)d - "
"port information retrieved. "
"Elapsed:%(elapsed).3f", {
'iter_num': self.iter_num,
'elapsed': time.time() - start
})
# Secure and wire/unwire VIFs and update their status
# on Neutron server
if (self._port_info_has_changes(port_info)
or self.sg_agent.firewall_refresh_needed()):
LOG.debug("Starting to process devices in:%s", port_info)
# If treat devices fails - must resync with plugin
sync = self.process_network_ports(port_info)
LOG.debug(
"Agent daemon_loop - "
"iteration:%(iter_num)d - "
"ports processed. Elapsed:%(elapsed).3f", {
'iter_num': self.iter_num,
'elapsed': time.time() - start
})
port_stats['regular']['added'] = (len(
port_info.get('added', [])))
port_stats['regular']['updated'] = (len(
port_info.get('updated', [])))
port_stats['regular']['removed'] = (len(
port_info.get('removed', [])))
except Exception:
LOG.exception(_("Error while processing VIF ports"))
# Put the ports back in self.updated_port
self.updated_ports |= updated_ports_copy
sync = True
# sleep till end of polling interval
elapsed = (time.time() - start)
LOG.debug(
"Agent daemon_loop - iteration:%(iter_num)d "
"completed. Processed ports statistics:"
"%(port_stats)s. Elapsed:%(elapsed).3f", {
'iter_num': self.iter_num,
'port_stats': port_stats,
'elapsed': elapsed
})
if (elapsed < self.polling_interval):
time.sleep(self.polling_interval - elapsed)
else:
LOG.debug(
"Loop iteration exceeded interval "
"(%(polling_interval)s vs. %(elapsed)s)!", {
'polling_interval': self.polling_interval,
'elapsed': elapsed
})
self.iter_num = self.iter_num + 1
def daemon_loop(self):
# TODO(yamamoto):
# It might be better to monitor port status async messages
sync = True
ports = set()
tunnel_sync = True
while True:
start = time.time()
port_stats = {'regular': {'added': 0, 'updated': 0, 'removed': 0}}
LOG.debug("Agent daemon_loop - iteration:%d started",
self.iter_num)
if sync:
LOG.info(_LI("Agent out of sync with plugin!"))
ports.clear()
sync = False
# Notify the plugin of tunnel IP
if self.enable_tunneling and tunnel_sync:
LOG.info(_LI("Agent tunnel out of sync with plugin!"))
try:
tunnel_sync = self.tunnel_sync()
except Exception:
LOG.exception(_LE("Error while synchronizing tunnels"))
tunnel_sync = True
LOG.debug("Agent daemon_loop - iteration:%(iter_num)d - "
"starting polling. Elapsed:%(elapsed).3f",
{'iter_num': self.iter_num,
'elapsed': time.time() - start})
try:
# Save updated ports dict to perform rollback in
# case resync would be needed, and then clear
# self.updated_ports. As the greenthread should not yield
# between these two statements, this will be thread-safe
updated_ports_copy = self.updated_ports
self.updated_ports = set()
port_info = self.scan_ports(ports, updated_ports_copy)
ports = port_info['current']
LOG.debug("Agent daemon_loop - iteration:%(iter_num)d - "
"port information retrieved. "
"Elapsed:%(elapsed).3f",
{'iter_num': self.iter_num,
'elapsed': time.time() - start})
# Secure and wire/unwire VIFs and update their status
# on Neutron server
if (self._port_info_has_changes(port_info) or
self.sg_agent.firewall_refresh_needed()):
LOG.debug("Starting to process devices in:%s",
port_info)
# If treat devices fails - must resync with plugin
sync = self.process_network_ports(port_info)
LOG.debug("Agent daemon_loop - "
"iteration:%(iter_num)d - "
"ports processed. Elapsed:%(elapsed).3f",
{'iter_num': self.iter_num,
'elapsed': time.time() - start})
port_stats['regular']['added'] = (
len(port_info.get('added', [])))
port_stats['regular']['updated'] = (
len(port_info.get('updated', [])))
port_stats['regular']['removed'] = (
len(port_info.get('removed', [])))
except Exception:
LOG.exception(_LE("Error while processing VIF ports"))
# Put the ports back in self.updated_port
self.updated_ports |= updated_ports_copy
sync = True
# sleep till end of polling interval
elapsed = (time.time() - start)
LOG.debug("Agent daemon_loop - iteration:%(iter_num)d "
"completed. Processed ports statistics:"
"%(port_stats)s. Elapsed:%(elapsed).3f",
{'iter_num': self.iter_num,
'port_stats': port_stats,
'elapsed': elapsed})
if (elapsed < self.polling_interval):
time.sleep(self.polling_interval - elapsed)
else:
LOG.debug("Loop iteration exceeded interval "
"(%(polling_interval)s vs. %(elapsed)s)!",
{'polling_interval': self.polling_interval,
'elapsed': elapsed})
self.iter_num = self.iter_num + 1