Added main synchronizer module to base for import by service
synchronizers.
diff --git a/xos/synchronizers/base/xos-synchronizer.py b/xos/synchronizers/base/xos-synchronizer.py
new file mode 100644
index 0000000..3fffd33
--- /dev/null
+++ b/xos/synchronizers/base/xos-synchronizer.py
@@ -0,0 +1,82 @@
+#!/usr/bin/env python
+import os
+import argparse
+import sys
+
+sys.path.append('/opt/xos')
+
+os.environ.setdefault("DJANGO_SETTINGS_MODULE", "xos.settings")
+from synchronizers.base.backend import Backend
+from xos.config import Config, DEFAULT_CONFIG_FN
+from core.models import Instance
+from xos.logger import Logger, logging, logger
+from django.db import ProgrammingError
+import time
+
+try:
+ from django import setup as django_setup # django 1.7
+except:
+ django_setup = False
+
+config = Config()
+
+# after http://www.erlenstar.demon.co.uk/unix/faq_2.html
+def daemon():
+ """Daemonize the current process."""
+ if os.fork() != 0: os._exit(0)
+ os.setsid()
+ if os.fork() != 0: os._exit(0)
+ os.umask(0)
+ devnull = os.open(os.devnull, os.O_RDWR)
+ os.dup2(devnull, 0)
+ # xxx fixme - this is just to make sure that nothing gets stupidly lost - should use devnull
+ logdir=os.path.dirname(config.observer_logfile)
+ # when installed in standalone we might not have httpd installed
+ if not os.path.isdir(logdir): os.mkdir(logdir)
+ crashlog = os.open('%s'%config.observer_logfile, os.O_RDWR | os.O_APPEND | os.O_CREAT, 0644)
+ os.dup2(crashlog, 1)
+ os.dup2(crashlog, 2)
+
+ if hasattr(config, "observer_pidfile"):
+ pidfile = config.get("observer_pidfile")
+ else:
+ pidfile = "/var/run/xosobserver.pid"
+ try:
+ file(pidfile,"w").write(str(os.getpid()))
+ except:
+ print "failed to create pidfile %s" % pidfile
+
+def main():
+ # Generate command line parser
+ parser = argparse.ArgumentParser(usage='%(prog)s [options]')
+ parser.add_argument('-d', '--daemon', dest='daemon', action='store_true', default=False,
+ help='Run as daemon.')
+ # 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 args.daemon: daemon()
+
+ if django_setup: # 1.7
+ django_setup()
+
+ models_active = False
+ wait = False
+ while not models_active:
+ try:
+ _ = Instance.objects.first()
+ models_active = True
+ except ProgrammingError:
+ logger.info('Waiting for data model to come up before starting...')
+ wait = True
+
+ if (wait):
+ time.sleep(60) # Safety factor, seeing that we stumbled waiting for the data model to come up.
+ backend = Backend()
+ backend.run()
+
+if __name__ == '__main__':
+
+ main()