import os
import sys
import resource
+import glob
import logger
import tools
savedargv = sys.argv[:]
# NOTE: modules listed here should also be loaded in this order
+# see the priority set in each module - lower comes first
known_modules=['net','conf_files', 'sm', 'bwmon']
plugin_path = "/usr/share/NodeManager/plugins"
# Deal with plugins directory
if os.path.exists(options.path):
sys.path.append(options.path)
- known_modules += [i[:-3] for i in os.listdir(options.path) if i.endswith(".py") and (i[:-3] not in known_modules)]
+ plugins = [ os.path.split(os.path.splitext(x)[0])[1] for x in glob.glob( os.path.join(options.path,'*.py') ) ]
+ known_modules += plugins
modules = []
data = {}
# Invoke GetSlivers() functions from the callback modules
for module in modules:
+ logger.verbose('trigerring GetSlivers callback for module %s'%module.__name__)
try:
callback = getattr(module, 'GetSlivers')
callback(data, config, plc)
- except: logger.log_exc("nm: GetSlivers failed to run callback for module %r"%module)
+ except:
+ logger.log_exc("nm: GetSlivers failed to run callback for module %r"%module)
def getPLCDefaults(data, config):
except ImportError, err:
print "Warning while loading module %s:" % module, err
+ default_priority=100
+ # sort on priority (lower first)
+ def sort_module_priority (m1,m2):
+ return getattr(m1,'priority',default_priority) - getattr(m2,'priority',default_priority)
+ modules.sort(sort_module_priority)
+
+ logger.log('ordered modules:')
+ for module in modules: logger.log ('%s: %s'%(getattr(module,'priority',default_priority),module.__name__))
+
# Load /etc/planetlab/session
if os.path.exists(options.session):
session = file(options.session).read().strip()
logger.log("nm: Checking Auth.")
while plc.check_authentication() != True:
try:
+# import pdb
+# pdb.set_trace()
plc.update_session()
logger.log("nm: Authentication Failure. Retrying")
- except:
- logger.log("nm: Retry Failed. Waiting")
+ except Exception,e:
+ logger.log("nm: Retry Failed. (%r); Waiting.."%e)
time.sleep(iperiod)
logger.log("nm: Authentication Succeeded!")
while True:
# Main NM Loop
- logger.verbose('nm: mainloop - calling GetSlivers - period=%d random=%d'%(iperiod,irandom))
+ logger.log('nm: mainloop - calling GetSlivers - period=%d random=%d'%(iperiod,irandom))
GetSlivers(config, plc)
delay=iperiod + random.randrange(0,irandom)
- logger.verbose('nm: mainloop - sleeping for %d s'%delay)
+ logger.log('nm: mainloop - sleeping for %d s'%delay)
time.sleep(delay)
except: logger.log_exc("nm: failed in run")