from config import Config
from plcapi import PLCAPI
import random
-import net
id="$Id$"
savedargv = sys.argv[:]
-known_modules=['conf_files', 'sm', 'bwmon', 'vsys', 'codemux']
+# NOTE: modules listed here should also be loaded in this order
+known_modules=['net','conf_files', 'sm', 'bwmon']
+
+plugin_path = "/usr/share/NodeManager/plugins"
parser = optparse.OptionParser()
parser.add_option('-d', '--daemon', action='store_true', dest='daemon', default=False, help='run daemonized')
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('-P', '--path', action='store', dest='path', default='/usr/share/NodeManager/plugins', help='Path to plugins directory')
+parser.add_option('-P', '--path', action='store', dest='path', default=plugin_path, help='Path to plugins directory')
+
+# NOTE: BUG the 'help' for this parser.add_option() wont list plugins from the --path argument
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, config):
+def GetSlivers(config, plc):
'''Run call backs defined in modules'''
try:
logger.log("Syncing w/ PLC")
# XXX So some modules can at least boostrap.
logger.log("nm: Can't contact PLC to GetSlivers(). Continuing.")
data = {}
- # Set i2 ip list for nodes in I2 nodegroup
- # and init network interfaces (unless overridden)
- try: net.GetSlivers(plc, data, config) # TODO - num of args needs to be unified across mods.
- except: logger.log_exc()
- # All other callback modules
+ # Invoke GetSlivers() functions from the callback modules
for module in modules:
try:
callback = getattr(module, 'GetSlivers')
- callback(data)
+ callback(data, config, plc)
except: logger.log_exc()
if len(attr_dict):
logger.verbose("Found default slice overrides.\n %s" % attr_dict)
config.OVERRIDES = attr_dict
- return
+ return
+ # NOTE: if an _default slice existed, it would have been found above and
+ # the routine would return. Thus, if we've gotten here, then no default
+ # slice is bound to this node.
if 'OVERRIDES' in dir(config): del config.OVERRIDES
irandom=int(options.random)
plc = PLCAPI(config.plc_api_uri, config.cacert, session, timeout=iperiod/2)
+ #check auth
+ logger.log("Checking Auth.")
+ while plc.check_authentication() != True:
+ try:
+ plc.update_session()
+ logger.log("Authentication Failure. Retrying")
+ except:
+ logger.log("Retry Failed. Waiting")
+ time.sleep(iperiod)
+ logger.log("Authentication Succeeded!")
+
+
while True:
# Main NM Loop
logger.verbose('mainloop - nm:getSlivers - period=%d random=%d'%(iperiod,irandom))
- GetSlivers(plc, config)
+ GetSlivers(config, plc)
delay=iperiod + random.randrange(0,irandom)
logger.verbose('mainloop - sleeping for %d s'%delay)
time.sleep(delay)
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:
- resource.setrlimit(resource.RLIMIT_STACK, (stacklim, stacklim))
- # for some reason, doesn't take effect properly without the exec()
- python = '/usr/bin/python'
- os.execv(python, [python] + savedargv)
run()
else:
# This is for debugging purposes. Open a copy of Python and import nm