#!/usr/bin/python
-
-# $Id: $
-
+# Something relevant
"""Node Manager"""
import optparse
parser.add_option('-f', '--config', action='store', dest='config', default='/etc/planetlab/plc_config', help='PLC configuration file')
parser.add_option('-k', '--session', action='store', dest='session', default='/etc/planetlab/session', help='API session key (or file)')
parser.add_option('-p', '--period', action='store', dest='period', default=600, help='Polling interval (sec)')
+parser.add_option('-r', '--random', action='store', dest='random', default=301, help='Range for additional random polling interval (sec)')
+parser.add_option('-v', '--verbose', action='store_true', dest='verbose', default=False, help='more verbose log')
(options, args) = parser.parse_args()
modules = []
def GetSlivers(plc):
- data = plc.GetSlivers()
+ try: data = plc.GetSlivers()
+ except: logger.log_exc()
+ if (options.verbose):
+ logger.log_slivers(data)
# Set i2 ip list for nodes in I2 nodegroup.
try: net.GetSlivers(plc, data)
except: logger.log_exc()
try:
if options.daemon: tools.daemon()
+ # set log level
+ if (options.verbose):
+ logger.set_level(logger.LOG_VERBOSE)
+
# Load /etc/planetlab/plc_config
config = Config(options.config)
session = options.session
# Initialize XML-RPC client
- plc = PLCAPI(config.plc_api_uri, config.cacert, session, timeout=options.period/2)
+ iperiod=int(options.period)
+ irandom=int(options.random)
+ plc = PLCAPI(config.plc_api_uri, config.cacert, session, timeout=iperiod/2)
while True:
# Main NM Loop
+ logger.verbose('mainloop - nm:getSlivers - period=%d random=%d'%(iperiod,irandom))
GetSlivers(plc)
- time.sleep(options.period + random.randrange(0,301))
+ delay=iperiod + random.randrange(0,irandom)
+ logger.verbose('mainloop - sleeping for %d s'%delay)
+ time.sleep(delay)
except: logger.log_exc()
if __name__ == '__main__':
+ logger.verbose("Entering nm.py")
stacklim = 512*1024 # 0.5 MiB
curlim = resource.getrlimit(resource.RLIMIT_STACK)[0] # soft limit
if curlim > stacklim: