blob: 0c551f8439146ed87ca1be5ff50b44d2fb980dac [file] [log] [blame]
#!/usr/bin/env python
import argparse
import imp
import inspect
import os
import sys
os.environ.setdefault("DJANGO_SETTINGS_MODULE", "xos.settings")
sys.path.append("/opt/xos")
from xos.config import Config, DEFAULT_CONFIG_FN, XOS_DIR
from util.logger import Logger, logging
from observer.syncstep import SyncStep
try:
from django import setup as django_setup # django 1.7
except:
django_setup = False
logger = Logger(level=logging.INFO)
class XOSConsistencyCheck:
def __init__(self):
self.sync_steps = []
self.load_sync_step_modules()
def load_sync_step_modules(self, step_dir=None):
if step_dir is None:
if hasattr(Config(), "observer_steps_dir"):
step_dir = Config().observer_steps_dir
else:
step_dir = XOS_DIR+"/observer/steps"
for fn in os.listdir(step_dir):
pathname = os.path.join(step_dir,fn)
if os.path.isfile(pathname) and fn.endswith(".py") and (fn!="__init__.py"):
module = imp.load_source(fn[:-3],pathname)
for classname in dir(module):
c = getattr(module, classname, None)
# make sure 'c' is a descendent of SyncStep and has a
# provides field (this eliminates the abstract base classes
# since they don't have a provides)
if inspect.isclass(c) and issubclass(c, SyncStep) and hasattr(c,"provides") and (c not in self.sync_steps):
self.sync_steps.append(c)
logger.info('loaded sync steps: %s' % ",".join([x.__name__ for x in self.sync_steps]))
def run(self):
updated = True
while updated:
updated = False
for step in self.sync_steps:
if hasattr(step, "consistency_check"):
updated = updated or step(driver=None).consistency_check()
if updated:
logger.info('re-running consistency checks because something changed')
def main():
if not "-C" in sys.argv:
print >> sys.stderr, "You probably wanted to use -C " + XOS_DIR + "/hpc_observer/hpc_observer_config"
# Generate command line parser
parser = argparse.ArgumentParser(usage='%(prog)s [options]')
# smbaker: util/config.py parses sys.argv[] directly to get config file name; include the option here to avoid
# throwing unrecognized argument exceptions
parser.add_argument('-C', '--config', dest='config_file', action='store', default=DEFAULT_CONFIG_FN,
help='Name of config file.')
args = parser.parse_args()
if django_setup: # 1.7
django_setup()
cc = XOSConsistencyCheck()
cc.run()
if __name__ == '__main__':
main()