(getattr(module, 'priority',
NodeManager.default_priority), module.__name__))
# Load /etc/planetlab/session
if os.path.exists(self.options.session):
session = file(self.options.session).read().strip()
else:
session = None
# get random periods
iperiod = int(self.options.period)
irandom = int(self.options.random)
# Initialize XML-RPC client
plc = PLCAPI(config.plc_api_uri,
config.cacert,
session,
timeout=iperiod / 2)
#check auth
logger.log("nodemanager: Checking Auth.")
while plc.check_authentication() != True:
try:
plc.update_session()
logger.log("nodemanager: Authentication Failure. Retrying")
except Exception, e:
logger.log("nodemanager: Retry Failed. (%r); Waiting.." %
e)
time.sleep(iperiod)
logger.log("nodemanager: Authentication Succeeded!")
while True:
for module in self.loaded_modules:
logger.log ('%s: %s'%(getattr(module,'priority',NodeManager.default_priority),module.__name__))
# Load /etc/planetlab/session
if os.path.exists(self.options.session):
session = file(self.options.session).read().strip()
else:
session = None
# get random periods
iperiod=int(self.options.period)
irandom=int(self.options.random)
# Initialize XML-RPC client
plc = PLCAPI(config.plc_api_uri, config.cacert, session, timeout=iperiod/2)
#check auth
logger.log("nodemanager: Checking Auth.")
while plc.check_authentication() != True:
try:
plc.update_session()
logger.log("nodemanager: Authentication Failure. Retrying")
except Exception,e:
logger.log("nodemanager: Retry Failed. (%r); Waiting.."%e)
time.sleep(iperiod)
logger.log("nodemanager: Authentication Succeeded!")
plc.__getattr__("GetSlices")
while True:
# Main nodemanager Loop
for module in self.loaded_modules:
logger.log ('%s: %s'%(getattr(module,'priority',NodeManager.default_priority),module.__name__))
# Load /etc/planetlab/session
if os.path.exists(self.options.session):
session = file(self.options.session).read().strip()
else:
session = None
# get random periods
iperiod=int(self.options.period)
irandom=int(self.options.random)
# Initialize XML-RPC client
plc = PLCAPI(config.plc_api_uri, config.cacert, session, timeout=iperiod/2)
#check auth
logger.log("nodemanager: Checking Auth.")
while plc.check_authentication() != True:
try:
plc.update_session()
logger.log("nodemanager: Authentication Failure. Retrying")
except Exception,e:
logger.log("nodemanager: Retry Failed. (%r); Waiting.."%e)
time.sleep(iperiod)
logger.log("nodemanager: Authentication Succeeded!")
while True:
# Main nodemanager Loop
def run(self):
# make sure to create /etc/planetlab/virt so others can read that
# used e.g. in vsys-scripts's sliceip
tools.get_node_virt()
try:
if self.options.daemon:
tools.daemon()
# set log level
if self.options.verbose:
logger.set_level(logger.LOG_VERBOSE)
tools.init_signals()
# Load /etc/planetlab/plc_config
config = Config(self.options.config)
try:
other_pid = tools.pid_file()
if other_pid is not None:
print("""There might be another instance of the node manager running as pid {}.
If this is not the case, please remove the pid file {}. -- exiting"""
.format(other_pid, tools.PID_FILE))
return
except OSError as err:
print("Warning while writing PID file:", err)
# load modules
self.loaded_modules = []
for module in self.modules:
try:
m = __import__(module)
logger.verbose("nodemanager: triggering {}.start".format(m.__name__))
try:
m.start()
except Exception:
logger.log("WARNING: module {} did not start".format(m.__name__))
self.loaded_modules.append(m)
except Exception:
if module not in NodeManager.core_modules:
logger.log_exc("ERROR while loading module {} - skipped"
.format(module))
else:
logger.log("FATAL : failed to start core module {}".format(module))
sys.exit(1)
# sort on priority (lower first)
def module_priority(module):
return getattr(module, 'priority', NodeManager.default_priority)
self.loaded_modules.sort(key=module_priority)
logger.log('ordered modules:')
for module in self.loaded_modules:
logger.log('{}: {}'
.format(getattr(module, 'priority',
NodeManager.default_priority),
module.__name__))
# Load /etc/planetlab/session
if os.path.exists(self.options.session):
with open(self.options.session) as feed:
session = feed.read().strip()
else:
session = None
# get random periods
iperiod = int(self.options.period)
irandom = int(self.options.random)
# Initialize XML-RPC client
plc = PLCAPI(config.plc_api_uri, config.cacert, session, timeout=iperiod/2)
#check auth
logger.log("nodemanager: Checking Auth.")
while not plc.check_authentication():
try:
plc.update_session()
logger.log("nodemanager: Authentication Failure. Retrying")
except Exception as exc:
logger.log("nodemanager: Retry Failed. ({}); Waiting.."
.format(exc))
time.sleep(iperiod)
logger.log("nodemanager: Authentication Succeeded!")
while True:
# Main nodemanager Loop
work_beg = time.time()
logger.log('nodemanager: mainloop - calling GetSlivers - period={} random={}'
.format(iperiod, irandom))
self.GetSlivers(config, plc)
delay = iperiod + random.randrange(0, irandom)
work_end = time.time()
work_duration = int(work_end-work_beg)
logger.log('nodemanager: mainloop has worked for {} s - sleeping for {} s'
.format(work_duration, delay))
time.sleep(delay)
except SystemExit:
pass
except:
logger.log_exc("nodemanager: failed in run")
