Created
August 7, 2022 15:37
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import logging | |
import time | |
from iptables import IPTable, IPTableRule | |
from dtest_class import Tester, get_ip_from_node | |
logger = logging.getLogger(__name__) | |
def retry_till_success(fun, *args, **kwargs): | |
timeout = kwargs.pop('timeout', 60) | |
bypassed_exception = kwargs.pop('bypassed_exception', Exception) | |
deadline = time.time() + timeout | |
while True: | |
try: | |
return fun(*args, **kwargs) | |
except bypassed_exception: | |
if time.time() > deadline: | |
raise | |
else: | |
# brief pause before next attempt | |
time.sleep(0.015) | |
class TestBootstrap(Tester): | |
def test_reproducer_for_982(self, request): | |
""" reproducer scylladb/scylla-operator#982 """ | |
logger.info("populating cluster with three nodes") | |
cluster = self.cluster | |
cluster.populate(3) | |
logger.info("starting cluster") | |
cluster.start(wait_for_binary_proto=True, wait_other_notice=True) | |
logger.info("stopping node3") | |
node1, node2, node3 = cluster.nodelist() | |
node3.stop(gently=False) | |
iptables_obj = IPTable(chain_name=__name__) | |
iptables_obj.create_new_chain() | |
node1_ip_address = get_ip_from_node(node=node1) | |
node2_ip_address = get_ip_from_node(node=node2) | |
rule1 = IPTableRule(protocol='tcp', source=f'{node1_ip_address}/32', destination_port=7000, target='DROP') | |
rule2 = IPTableRule(protocol='tcp', source=f'{node2_ip_address}/32', destination_port=7000, target='DROP') | |
iptables_obj.add_rule(rule1) | |
iptables_obj.add_rule(rule2) | |
logger.info("decommission node3") | |
node3.start(wait_for_binary_proto=True, wait_other_notice=False) | |
for n in cluster.nodelist(): | |
stdout, stderr = n.nodetool("status") | |
logger.info(stdout) | |
logger.info(stderr) | |
retry_till_success(node3.decommission, timeout=120) | |
iptables_obj.delete_chain() | |
logger.info("add node4") | |
node4 = cluster.new_node(4) | |
node4.start(wait_for_binary_proto=True) | |
logger.info("done") |
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