first commit

.gitignore

+.idea
+__pycache__
+*.pyc
+/*.egg-info
+*.log
+*.conf
+*.list

occron.conf.example

+[occron]
+basedir=/home/chris/
+php=/usr/bin/php
+cron.php=cron.php
+
+[redis]
+server=192.168.166.41
+port=6379
+db=0
+

occron.list.example

+my
+carpathia
+eqipe
\ No newline at end of file

occron.py

+#!/usr/bin/python
+__author__ = 'chris'
+import sys, redis, redis_lock, ConfigParser, subprocess, os, time
+import logging
+
+mypath = os.path.dirname(sys.argv[0])
+
+
+def main():
+    config = ConfigParser.SafeConfigParser(
+        {'port': '6379',
+         'db': 1})
+
+    config.read(mypath + '/occron.conf')
+    php = config.get('occron', 'php')
+    basepath = config.get('occron', 'basedir')
+    cron_php = config.get('occron', 'cron.php')
+
+    redis_db = int(config.get('redis', 'db'))
+    redis_port = int(config.get('redis', 'port'))
+    redis_server = config.get('redis', 'server')
+    if not redis_server:
+        print 'missing redis server ip address or fqdn!'
+        exit(-1)
+
+    r = redis.StrictRedis(host=redis_server, port=redis_port, db=redis_db, socket_timeout=15)
+    not_connected = True
+    while not_connected:
+        try:
+            response = r.client_list()
+            if response:
+                not_connected = False
+        except redis.ConnectionError:
+            continue
+            print('Error connecting to redis server! Trying to connect in 30 seconds...')
+            time.sleep(30)
+        except redis.RedisError:
+            print "Redis Error!"
+            print "Goodbye."
+            exit(-1)
+
+
+    # try to acquire lock to redis
+    # redislock =  r.lock('occron.lock',120, auto_renewal=True)
+    redislock = redis_lock.Lock(r, mypath + '/occron.lock', expire=10, auto_renewal=True)
+
+    if redislock.acquire(blocking=False):
+        # read list of oc instances...
+
+        try:
+            with open(mypath + '/occron.list', 'r') as f:
+                for line in f:
+                    # time.sleep(10)
+                    line = line.strip()
+                    # print(line)
+                    occ_path = os.path.dirname(basepath) + '/' + line + '/' + cron_php
+                    if os.path.exists(occ_path):
+                        cmd = [php, occ_path]
+                        return_code = subprocess.call(cmd)
+                        logging.info('occ cron call [%s %s] returned %d' % (php, occ_path, return_code))
+                        # logging.info('occ cron call [%s] returned %d' %(cmd, return_code))
+                    else:
+                        logging.info('OC Instance occ cli %s doest not exist!' % (occ_path))
+
+
+        except IOError as e:
+            print("Missing occron.list")
+
+        redislock.release()
+    else:
+        logging.info('occron is locked from another instance. Doing nothing.')
+
+    logging.info('Done')
+
+
+if __name__ == '__main__':
+    logging.basicConfig(filename=mypath + '/occron.log', level=logging.INFO, format='%(asctime)s %(message)s')
+    logging.info('Start')
+    sys.exit(main())