16 from config import Config
17 from plcapi import PLCAPI
21 savedargv = sys.argv[:]
23 parser = optparse.OptionParser()
24 parser.add_option('-d', '--daemon', action='store_true', dest='daemon', default=False, help='run daemonized')
25 parser.add_option('-s', '--startup', action='store_true', dest='startup', default=False, help='run all sliver startup scripts')
26 parser.add_option('-f', '--config', action='store', dest='config', default='/etc/planetlab/plc_config', help='PLC configuration file')
27 parser.add_option('-k', '--session', action='store', dest='session', default='/etc/planetlab/session', help='API session key (or file)')
28 parser.add_option('-p', '--period', action='store', dest='period', default=600, help='Polling interval (sec)')
29 parser.add_option('-r', '--random', action='store', dest='random', default=301, help='Range for additional random polling interval (sec)')
30 parser.add_option('-v', '--verbose', action='store_true', dest='verbose', default=False, help='more verbose log')
31 (options, args) = parser.parse_args()
36 try: data = plc.GetSlivers()
37 except: logger.log_exc()
39 logger.log_slivers(data)
40 # Set i2 ip list for nodes in I2 nodegroup.
41 try: net.GetSlivers(plc, data)
42 except: logger.log_exc()
43 # All other callback modules
44 for module in modules:
46 callback = getattr(module, 'GetSlivers')
48 except: logger.log_exc()
52 if options.daemon: tools.daemon()
56 logger.set_level(logger.LOG_VERBOSE)
58 # Load /etc/planetlab/plc_config
59 config = Config(options.config)
62 other_pid = tools.pid_file()
64 print """There might be another instance of the node manager running as pid %d. If this is not the case, please remove the pid file %s""" % (other_pid, tools.PID_FILE)
67 print "Warning while writing PID file:", err
69 # Load and start modules
70 for module in ['proper', 'conf_files', 'sm', 'bwmon']:
72 m = __import__(module)
73 m.start(options, config)
75 except ImportError, err:
76 print "Warning while loading module %s:" % module, err
78 # Load /etc/planetlab/session
79 if os.path.exists(options.session):
80 session = file(options.session).read().strip()
82 session = options.session
84 # Initialize XML-RPC client
85 iperiod=int(options.period)
86 irandom=int(options.random)
87 plc = PLCAPI(config.plc_api_uri, config.cacert, session, timeout=iperiod/2)
91 logger.verbose('mainloop - nm:getSlivers - period=%d random=%d'%(iperiod,irandom))
93 delay=iperiod + random.randrange(0,irandom)
94 logger.verbose('mainloop - sleeping for %d s'%delay)
96 except: logger.log_exc()
99 if __name__ == '__main__':
100 logger.verbose("Entering nm.py")
101 stacklim = 512*1024 # 0.5 MiB
102 curlim = resource.getrlimit(resource.RLIMIT_STACK)[0] # soft limit
103 if curlim > stacklim:
104 resource.setrlimit(resource.RLIMIT_STACK, (stacklim, stacklim))
105 # for some reason, doesn't take effect properly without the exec()
106 python = '/usr/bin/python'
107 os.execv(python, [python] + savedargv)
110 # This is for debugging purposes. Open a copy of Python and import nm
111 tools.as_daemon_thread(run)