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 (options, args) = parser.parse_args()
34 try: data = plc.GetSlivers()
35 except: logger.log_exc()
36 # Set i2 ip list for nodes in I2 nodegroup.
37 try: net.GetSlivers(plc, data)
38 except: logger.log_exc()
39 # All other callback modules
40 for module in modules:
42 callback = getattr(module, 'GetSlivers')
44 except: logger.log_exc()
48 if options.daemon: tools.daemon()
50 # Load /etc/planetlab/plc_config
51 config = Config(options.config)
54 other_pid = tools.pid_file()
56 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)
59 print "Warning while writing PID file:", err
61 # Load and start modules
62 for module in ['proper', 'conf_files', 'sm', 'bwmon']:
64 m = __import__(module)
65 m.start(options, config)
67 except ImportError, err:
68 print "Warning while loading module %s:" % module, err
70 # Load /etc/planetlab/session
71 if os.path.exists(options.session):
72 session = file(options.session).read().strip()
74 session = options.session
76 # Initialize XML-RPC client
77 plc = PLCAPI(config.plc_api_uri, config.cacert, session, timeout=options.period/2)
82 time.sleep(options.period + random.randrange(0,301))
83 except: logger.log_exc()
86 if __name__ == '__main__':
87 stacklim = 512*1024 # 0.5 MiB
88 curlim = resource.getrlimit(resource.RLIMIT_STACK)[0] # soft limit
90 resource.setrlimit(resource.RLIMIT_STACK, (stacklim, stacklim))
91 # for some reason, doesn't take effect properly without the exec()
92 python = '/usr/bin/python'
93 os.execv(python, [python] + savedargv)
96 # This is for debugging purposes. Open a copy of Python and import nm
97 tools.as_daemon_thread(run)