X-Git-Url: https://gerrit.onap.org/r/gitweb?a=blobdiff_plain;f=multivimbroker%2Fmultivimbroker%2Fpub%2Futils%2Fshare_lock.py;h=c79f68549dc0a0899901558f7d3c0be71b45f524;hb=67430600410e312c2db5a6a7709da8e45a5245fa;hp=b594c68f1cc15b1a4a6275f978734cf22289245c;hpb=cbc888fc41403f08f33061b285049b530785ef73;p=multicloud%2Fframework.git diff --git a/multivimbroker/multivimbroker/pub/utils/share_lock.py b/multivimbroker/multivimbroker/pub/utils/share_lock.py index b594c68..c79f685 100755 --- a/multivimbroker/multivimbroker/pub/utils/share_lock.py +++ b/multivimbroker/multivimbroker/pub/utils/share_lock.py @@ -15,21 +15,26 @@ import time import redis -from multivimbroker.pub.config.config import REDIS_HOST, REDIS_PORT, REDIS_PASSWD +from multivimbroker.pub.config.config import REDIS_HOST +from multivimbroker.pub.config.config import REDIS_PORT +from multivimbroker.pub.config.config import REDIS_PASSWD class SharedLock: - def __init__(self, lock_key, host=REDIS_HOST, port=REDIS_PORT, password=REDIS_PASSWD, db=9, lock_timeout=5 * 60): + def __init__(self, lock_key, host=REDIS_HOST, port=REDIS_PORT, + password=REDIS_PASSWD, db=9, lock_timeout=5 * 60): self.lock_key = lock_key self.lock_timeout = lock_timeout - self.redis = redis.Redis(host=host, port=port, db=db, password=password) + self.redis = redis.Redis(host=host, port=port, + db=db, password=password) self.acquire_time = -1 def acquire(self): begin = now = int(time.time()) while (now - begin) < self.lock_timeout: - result = self.redis.setnx(self.lock_key, now + self.lock_timeout + 1) + result = self.redis.setnx(self.lock_key, now + + self.lock_timeout + 1) if result == 1 or result is True: self.acquire_time = now return True @@ -42,7 +47,8 @@ class SharedLock: current_lock_timestamp = int(current_lock_timestamp) if now > current_lock_timestamp: - next_lock_timestamp = self.redis.getset(self.lock_key, now + self.lock_timeout + 1) + next_lock_timestamp = self.redis.getset(self.lock_key, now + + self.lock_timeout + 1) if not next_lock_timestamp: time.sleep(1) continue