def cleanup(self, signum=0, frame=None, reloading=False):
log.debug("SrvServer.cleanup()")
self.cleaningUp = True
for server in self.servers:
try:
server.shutdown()
except:
pass
# clean up domains for those that have on_xend_stop
if not reloading:
xenddomain().cleanup_domains()
self.running = False
def cleanup(self, signum = 0, frame = None, reloading = False):
log.debug("SrvServer.cleanup()")
self.cleaningUp = True
for server in self.servers:
try:
server.shutdown()
except:
pass
# clean up domains for those that have on_xend_stop
if not reloading:
xenddomain().cleanup_domains()
self.running = False
def start(self, status):
# Running the network script will spawn another process, which takes
# the status fd with it unless we set FD_CLOEXEC. Failing to do this
# causes the read in SrvDaemon to hang even when we have written here.
if status:
fcntl.fcntl(status, fcntl.F_SETFD, fcntl.FD_CLOEXEC)
# Prepare to catch SIGTERM (received when 'xend stop' is executed)
# and call each server's cleanup if possible
signal.signal(signal.SIGTERM, self.cleanup)
signal.signal(signal.SIGHUP, self.reloadConfig)
while True:
threads = []
for server in self.servers:
if server.ready:
continue
thread = Thread(target=server.run,
name=server.__class__.__name__)
thread.setDaemon(True)
thread.start()
threads.append(thread)
# check for when all threads have initialized themselves and then
# close the status pipe
retryCount = 0
threads_left = True
while threads_left:
threads_left = False
for server in self.servers:
if not server.ready:
threads_left = True
break
if threads_left:
time.sleep(.5)
retryCount += 1
if retryCount > 60:
for server in self.servers:
if not server.ready:
log.error("Server " +
server.__class__.__name__ +
" did not initialise!")
break
if status:
status.write('0')
status.close()
status = None
# auto start pools before domains are started
try:
XendCPUPool.autostart_pools()
except Exception, e:
log.exception("Failed while autostarting pools")
# Reaching this point means we can auto start domains
try:
xenddomain().autostart_domains()
except Exception, e:
log.exception("Failed while autostarting domains")
def start(self, status):
# Running the network script will spawn another process, which takes
# the status fd with it unless we set FD_CLOEXEC. Failing to do this
# causes the read in SrvDaemon to hang even when we have written here.
if status:
fcntl.fcntl(status, fcntl.F_SETFD, fcntl.FD_CLOEXEC)
# Prepare to catch SIGTERM (received when 'xend stop' is executed)
# and call each server's cleanup if possible
signal.signal(signal.SIGTERM, self.cleanup)
signal.signal(signal.SIGHUP, self.reloadConfig)
while True:
threads = []
for server in self.servers:
if server.ready:
continue
thread = Thread(target=server.run,
name=server.__class__.__name__)
thread.setDaemon(True)
thread.start()
threads.append(thread)
# check for when all threads have initialized themselves and then
# close the status pipe
retryCount = 0
threads_left = True
while threads_left:
threads_left = False
for server in self.servers:
if not server.ready:
threads_left = True
break
if threads_left:
time.sleep(.5)
retryCount += 1
if retryCount > 60:
for server in self.servers:
if not server.ready:
log.error("Server " +
server.__class__.__name__ +
" did not initialise!")
break
if status:
status.write('0')
status.close()
status = None
# Reaching this point means we can auto start domains
try:
xenddomain().autostart_domains()
except Exception, e:
log.exception("Failed while autostarting domains")
# loop to keep main thread alive until it receives a SIGTERM
self.running = True
while self.running:
time.sleep(100000000)
if self.reloadingConfig:
log.info("Restarting all XML-RPC and Xen-API servers...")
self.cleaningUp = False
self.reloadingConfig = False
xoptions.set_config()
self.servers = []
_loadConfig(self, self.root, True)
else:
break
