X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=nm.py;h=a2b6a4d260cd1926eb469370b85dfa3307aa3293;hb=e7916a57fc9985a3c0a13d51cc128408d58ce021;hp=f9517656d59250f4e48c6947ffd498a5c406cdcc;hpb=b455fb0b6e820f44b5d13daac7308f60fc9c5cd8;p=nodemanager.git diff --git a/nm.py b/nm.py old mode 100644 new mode 100755 index f951765..a2b6a4d --- a/nm.py +++ b/nm.py @@ -1,5 +1,4 @@ #!/usr/bin/python - """Node Manager""" import optparse @@ -18,28 +17,52 @@ from plcapi import PLCAPI import random import net +id="$Id$" savedargv = sys.argv[:] +known_modules=['conf_files', 'sm', 'bwmon', 'vsys', 'codemux'] + parser = optparse.OptionParser() parser.add_option('-d', '--daemon', action='store_true', dest='daemon', default=False, help='run daemonized') parser.add_option('-s', '--startup', action='store_true', dest='startup', default=False, help='run all sliver startup scripts') 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') +parser.add_option('-m', '--module', action='store', dest='module', default='', help='run a single module among '+' '.join(known_modules)) (options, args) = parser.parse_args() modules = [] def GetSlivers(plc): - data = plc.GetSlivers() + try: + logger.log("Syncing w/ PLC") + data = plc.GetSlivers() + except: + logger.log_exc() + # XXX So some modules can at least boostrap. + data = {} + 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() + # All other callback modules for module in modules: - callback = getattr(module, 'GetSlivers') - callback(data) + try: + callback = getattr(module, 'GetSlivers') + callback(data) + except: logger.log_exc() def run(): 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) @@ -52,7 +75,13 @@ def run(): print "Warning while writing PID file:", err # Load and start modules - for module in ['proper', 'conf_files', 'sm', 'bwmon']: + if options.module: + assert options.module in known_modules + running_modules=[options.module] + logger.verbose('Running single module %s'%options.module) + else: + running_modules=known_modules + for module in running_modules: try: m = __import__(module) m.start(options, config) @@ -67,20 +96,22 @@ def run(): 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: - # Set i2 ip list for nodes in I2 nodegroup. - try: net.GetSlivers(plc, data) - except: logger.log_exc() - # Main NM Loop - try: GetSlivers(plc) - except: logger.log_exc() - time.sleep(options.period + random.randrange(0,301)) + # Main NM Loop + logger.verbose('mainloop - nm:getSlivers - period=%d random=%d'%(iperiod,irandom)) + GetSlivers(plc) + 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.log("Entering nm.py "+id) stacklim = 512*1024 # 0.5 MiB curlim = resource.getrlimit(resource.RLIMIT_STACK)[0] # soft limit if curlim > stacklim: