adelapena commented on a change in pull request #117:
URL: https://github.com/apache/cassandra-dtest/pull/117#discussion_r570921891
##########
File path: bootstrap_test.py
##########
@@ -280,6 +280,55 @@ def
test_consistent_range_movement_true_with_rf1_should_fail(self):
def test_consistent_range_movement_false_with_rf1_should_succeed(self):
self._bootstrap_test_with_replica_down(False, rf=1)
+ def test_rf_gt_nodes_multidc_should_succeed(self):
+ """
+ Test creating a KS with RF > N on multi DC doesn't break bootstrap
+ @jira_ticket CASSANDRA-16296 CASSANDRA-16411
+ """
+ cluster = self.cluster
+
cluster.set_environment_variable('CASSANDRA_TOKEN_PREGENERATION_DISABLED',
'True')
+ cluster.populate([1, 1])
+ cluster.start()
+
+ node1 = cluster.nodelist()[0]
+ session = self.patient_cql_connection(node1)
+ session.execute("CREATE KEYSPACE k WITH REPLICATION = {'class' :
'NetworkTopologyStrategy', 'dc1' : '3'}")
+ warning = 'Your replication factor 3 for keyspace k is higher than the
number of nodes 1 for datacenter dc1'
+
+ if cluster.version() >= '4.0':
+ warnings_total = 0
+ for node in cluster.nodelist():
+ warnings_total += len(node.grep_log(warning))
+ assert warnings_total == 1
+
+ session.execute("ALTER KEYSPACE k WITH REPLICATION = {'class' :
'NetworkTopologyStrategy', 'dc1' : '2'}")
+ session.execute("CREATE TABLE k.testgtrfmultidc (KEY text PRIMARY
KEY)")
+ session.execute("INSERT INTO k.testgtrfmultidc (KEY) VALUES
('test_rf_gt_nodes_multidc_should_succeed')")
+ warning = 'Your replication factor 2 for keyspace k is higher than the
number of nodes 1 for datacenter dc1'
+
+ if cluster.version() >= '4.0':
+ warnings_total = 0
+ for node in cluster.nodelist():
+ warnings_total += len(node.grep_log(warning))
+ assert warnings_total == 1
+
+ node3 = Node(name='node3',
+ cluster=cluster,
+ auto_bootstrap=True,
+ thrift_interface=('127.0.0.3', 9160),
+ storage_interface=('127.0.0.3', 7000),
+ jmx_port='7300',
+ remote_debug_port='0',
+ initial_token=None,
+ binary_interface=('127.0.0.3', 9042))
+ cluster.add(node3, is_seed=False, data_center="dc1")
+ node3.start(wait_for_binary_proto=True);
+ if cluster.version() >= '4.0':
+ assert len(node3.grep_log(warning)) == 0
Review comment:
We could just mark the logs before adding the node and search in every
node for a generic `'Your replication factor'` message, for example something
like:
```python
marks = map(lambda n: n.mark_log(), cluster.nodelist())
# add node...
if cluster.version() >= '4.0':
warning = 'Your replication factor'
for (node, mark) in zip(cluster.nodelist(), marks):
assert len(node.grep_log(warning, from_mark=mark)) == 0
```
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