def _connect_to_cluster(self):
current_attempt = 1
attempt_limit = self._config.network_config.connection_attempt_limit
retry_delay = self._config.network_config.connection_attempt_period
while current_attempt <= attempt_limit:
provider_addresses = get_provider_addresses(self._address_providers)
addresses = get_possible_addresses(provider_addresses, self.members)
for address in addresses:
try:
self.logger.info("Connecting to %s", address)
self._connect_to_address(address)
return
except:
self.logger.warning("Error connecting to %s ", address, exc_info=True)
if current_attempt >= attempt_limit:
self.logger.warning(
"Unable to get alive cluster connection, attempt %d of %d",
current_attempt, attempt_limit)
break
self.logger.warning(
"Unable to get alive cluster connection, attempt %d of %d, trying again in %d seconds",
current_attempt, attempt_limit, retry_delay)
current_attempt += 1
time.sleep(retry_delay)
error_msg = "Could not connect to any of %s after %d tries" % (addresses, attempt_limit)
raise HazelcastError(error_msg)
def test_no_given_address(self):
self.network_config.addresses = []
provider_addresses = get_provider_addresses([self.address_provider])
addresses = get_possible_addresses(provider_addresses)
six.assertCountEqual(self, addresses, [
Address("127.0.0.1", 5701),
Address("127.0.0.1", 5702),
Address("127.0.0.1", 5703)
])
def test_multiple_providers_with_empty_network_config_addresses(self):
default_address_provider = DefaultAddressProvider(self.network_config)
providers = [default_address_provider, self.cloud_address_provider]
provider_addresses = get_provider_addresses(providers)
six.assertCountEqual(self, provider_addresses,
[Address("10.0.0.1", 5701)])
addresses = get_possible_addresses(provider_addresses)
six.assertCountEqual(self, addresses, [Address("10.0.0.1", 5701)])
def test_addresses_and_members(self):
self.network_config.addresses = ["127.0.0.1:5701"]
member_list = [
Member(Address("10.0.0.1", 5703), "uuid1"),
Member(Address("10.0.0.2", 5701), "uuid2")
]
provider_addresses = get_provider_addresses([self.address_provider])
addresses = get_possible_addresses(provider_addresses, member_list)
six.assertCountEqual(self, addresses, [
Address("127.0.0.1", 5701),
Address("10.0.0.1", 5703),
Address("10.0.0.2", 5701)
])
def test_multiple_providers_with_empty_load_addresses(self):
default_address_provider = DefaultAddressProvider(self.network_config)
self.cloud_address_provider.load_addresses = lambda: []
providers = [default_address_provider, self.cloud_address_provider]
provider_addresses = get_provider_addresses(providers)
six.assertCountEqual(self, provider_addresses, [])
addresses = get_possible_addresses(provider_addresses)
six.assertCountEqual(self, addresses, [
Address("127.0.0.1", 5701),
Address("127.0.0.1", 5702),
Address("127.0.0.1", 5703)
])
def test_multiple_providers_with_duplicate_network_config_addresses(self):
self.network_config.addresses.append("127.0.0.1:5701")
self.network_config.addresses.append("127.0.0.1:5701")
default_address_provider = DefaultAddressProvider(self.network_config)
providers = [default_address_provider, self.cloud_address_provider]
provider_addresses = get_provider_addresses(providers)
six.assertCountEqual(self, provider_addresses, [
Address("10.0.0.1", 5701),
Address("127.0.0.1", 5701),
Address("127.0.0.1", 5701)
])
addresses = get_possible_addresses(provider_addresses)
six.assertCountEqual(
self, addresses,
[Address("10.0.0.1", 5701),
Address("127.0.0.1", 5701)])
def test_multiple_addresses_non_unique(self):
self.network_config.addresses = ["127.0.0.1:5701", "127.0.0.1:5701"]
provider_addresses = get_provider_addresses([self.address_provider])
addresses = get_possible_addresses(provider_addresses)
six.assertCountEqual(self, addresses, [Address("127.0.0.1", 5701)])
def test_single_address_and_port(self):
self.network_config.addresses = ["127.0.0.1:5701"]
provider_addresses = get_provider_addresses([self.address_provider])
addresses = get_possible_addresses(provider_addresses)
six.assertCountEqual(self, addresses, [Address("127.0.0.1", 5701)])