def __init__(self, config, cluster='main'):
# Support multiple versions of carbon, the API changed in 0.10.
args = inspect.getargspec(ConsistentHashingRouter.__init__).args
if 'replication_factor' in args:
r = ConsistentHashingRouter(config.replication_factor(cluster))
else:
class Settings(object):
REPLICATION_FACTOR = config.replication_factor(cluster)
DIVERSE_REPLICAS = False
ROUTER_HASH_TYPE = None
r = ConsistentHashingRouter(Settings())
# 'hash_type' was added only in carbon 1.0.2 or master
args = inspect.getargspec(ConsistentHashRing.__init__).args
if 'hash_type' in args:
r.ring = ConsistentHashRing(nodes=[],
hash_type=config.hashing_type(cluster))
self.ring = r
try:
dest_list = config.destinations(cluster)
self.destinations = util.parseDestinations(dest_list)
except ValueError as e:
raise SystemExit("Unable to parse destinations!" + str(e))
for d in self.destinations:
self.ring.addDestination(d)
def __init__(self, config, cluster='main', aggregation_rules=None):
relay_method = config.relay_method(cluster=cluster)
if relay_method == "consistent-hashing":
# Support multiple versions of carbon, the API changed in 0.10.
args = inspect.getargspec(ConsistentHashingRouter.__init__).args
if 'replication_factor' in args:
r = ConsistentHashingRouter(config.replication_factor(cluster))
else:
class Settings(object):
REPLICATION_FACTOR = config.replication_factor(cluster)
DIVERSE_REPLICAS = False
r = ConsistentHashingRouter(Settings())
# 'hash_type' was added only in carbon 1.0.2 or master
args = inspect.getargspec(ConsistentHashRing.__init__).args
if 'hash_type' in args:
r.ring = ConsistentHashRing(
hash_type=config.hashing_type(cluster))
elif relay_method == "aggregated-consistent-hashing":
if aggregation_rules:
RuleManager.read_from(aggregation_rules)
r = AggregatedConsistentHashingRouter(
RuleManager, config.replication_factor(cluster))
self.ring = r
try:
dest_list = config.destinations(cluster)
self.destinations = util.parseDestinations(dest_list)
except ValueError as e:
raise SystemExit("Unable to parse destinations!" + str(e))
for d in self.destinations:
self.ring.addDestination(d)