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auth_join_ring_false_test.py
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import pytest
from cassandra import AuthenticationFailed, Unauthorized
from cassandra.cluster import NoHostAvailable
from dtest import Tester
class TestAuth(Tester):
def test_login_existing_node(self):
"""
* Launch a three node cluster
* Restart the third node in `join_ring=false` mode
* Connect as the default user/password
* Verify that default user w/ bad password gives AuthenticationFailed exception
* Verify that bad user gives AuthenticationFailed exception
"""
# also tests default user creation (cassandra/cassandra)
self.prepare(nodes=3)
node1, node2, node3 = self.cluster.nodelist()
node3.stop(wait_other_notice=True)
node3.start(join_ring=False, wait_other_notice=False, wait_for_binary_proto=True)
self.patient_exclusive_cql_connection(node=node3, user='cassandra', password='cassandra')
try:
self.patient_exclusive_cql_connection(node=node3, user='cassandra', password='badpassword')
except NoHostAvailable as e:
assert isinstance(list(e.errors.values())[0], AuthenticationFailed)
try:
self.patient_exclusive_cql_connection(node=node3, user='doesntexist', password='doesntmatter')
except NoHostAvailable as e:
assert isinstance(list(e.errors.values())[0], AuthenticationFailed)
def test_login_new_node(self):
"""
* Launch a two node cluster
* Add a third node in `join_ring=false` mode
* Connect as the default user/password
* Verify that default user w/ bad password gives AuthenticationFailed exception
* Verify that bad user gives AuthenticationFailed exception
"""
# also tests default user creation (cassandra/cassandra)
self.prepare(nodes=2)
node3 = self.cluster.create_node('node3', False,
('127.0.0.3', 9160),
('127.0.0.3', 7000),
'7300', '2002', None,
binary_interface=('127.0.0.3', 9042))
self.cluster.add(node3, False)
node3.start(join_ring=False, wait_other_notice=False, wait_for_binary_proto=True)
self.patient_exclusive_cql_connection(node=node3, user='cassandra', password='cassandra')
try:
self.patient_exclusive_cql_connection(node=node3, user='cassandra', password='badpassword')
except NoHostAvailable as e:
assert isinstance(list(e.errors.values())[0], AuthenticationFailed)
try:
self.patient_exclusive_cql_connection(node=node3, user='doesntexist', password='doesntmatter')
except NoHostAvailable as e:
assert isinstance(list(e.errors.values())[0], AuthenticationFailed)
def test_list_users(self):
"""
* Launch a one node cluster
* Connect as the default superuser
* Create two new users, and two new superusers.
* Verify that LIST USERS shows all five users.
* Verify that the correct users are listed as super users.
* Add a second node in `join_ring=false` mode
* Connect (through the non-ring node) as one of the new users, and check that the LIST USERS behavior is also correct there.
"""
self.prepare()
session = self.get_session(user='cassandra', password='cassandra')
session.execute("CREATE USER alex WITH PASSWORD '12345' NOSUPERUSER")
session.execute("CREATE USER bob WITH PASSWORD '12345' SUPERUSER")
session.execute("CREATE USER cathy WITH PASSWORD '12345' NOSUPERUSER")
session.execute("CREATE USER dave WITH PASSWORD '12345' SUPERUSER")
node2 = self.cluster.create_node('node2', False,
('127.0.0.2', 9160),
('127.0.0.2', 7000),
'7200', '2001', None,
binary_interface=('127.0.0.2', 9042))
self.cluster.add(node2, False)
node2.start(join_ring=False, wait_other_notice=False, wait_for_binary_proto=True)
self.patient_exclusive_cql_connection(node=node2, user='cassandra', password='cassandra')
session = self.get_session(user='cassandra', password='cassandra')
rows = list(session.execute("LIST USERS"))
assert 5 == len(rows)
# {username: isSuperuser} dict.
users = dict([(r[0], r[1]) for r in rows])
assert users['cassandra']
assert not users['alex']
assert users['bob']
assert not users['cathy']
assert users['dave']
self.get_session(node_idx=1, user='dave', password='12345')
rows = list(session.execute("LIST USERS"))
assert 5 == len(rows)
# {username: isSuperuser} dict.
users = dict([(r[0], r[1]) for r in rows])
assert users['cassandra']
assert not users['alex']
assert users['bob']
assert not users['cathy']
assert users['dave']
def test_modify_and_select_auth(self):
self.prepare()
cassandra = self.get_session(user='cassandra', password='cassandra')
cassandra.execute("CREATE USER cathy WITH PASSWORD '12345'")
cassandra.execute("CREATE KEYSPACE ks WITH replication = {'class':'SimpleStrategy', 'replication_factor':3}")
cassandra.execute("CREATE TABLE ks.cf (id int primary key, val int)")
node2 = self.cluster.create_node('node2', False,
('127.0.0.2', 9160),
('127.0.0.2', 7000),
'7200', '2001', None,
binary_interface=('127.0.0.2', 9042))
self.cluster.add(node2, False)
node2.start(join_ring=False, wait_other_notice=False, wait_for_binary_proto=True)
cathy = self.get_session(node_idx=1, user='cathy', password='12345')
self.assert_unauthorized("User cathy has no SELECT permission on <table ks.cf> or any of its parents",
cathy, "SELECT * FROM ks.cf")
node2.stop()
cassandra = self.get_session(user='cassandra', password='cassandra')
cassandra.execute("GRANT SELECT ON ks.cf TO cathy")
node2.start(join_ring=False, wait_other_notice=False, wait_for_binary_proto=True)
cathy = self.get_session(node_idx=1, user='cathy', password='12345')
rows = list(cathy.execute("SELECT * FROM ks.cf"))
assert 0 == len(rows)
self.assert_unauthorized("User cathy has no MODIFY permission on <table ks.cf> or any of its parents",
cathy, "INSERT INTO ks.cf (id, val) VALUES (0, 0)")
self.assert_unauthorized("User cathy has no MODIFY permission on <table ks.cf> or any of its parents",
cathy, "UPDATE ks.cf SET val = 1 WHERE id = 1")
self.assert_unauthorized("User cathy has no MODIFY permission on <table ks.cf> or any of its parents",
cathy, "DELETE FROM ks.cf WHERE id = 1")
self.assert_unauthorized("User cathy has no MODIFY permission on <table ks.cf> or any of its parents",
cathy, "TRUNCATE ks.cf")
node2.stop()
cassandra = self.get_session(user='cassandra', password='cassandra')
cassandra.execute("GRANT MODIFY ON ks.cf TO cathy")
node2.start(join_ring=False, wait_other_notice=False, wait_for_binary_proto=True)
cathy = self.get_session(node_idx=1, user='cathy', password='12345')
cathy.execute("INSERT INTO ks.cf (id, val) VALUES (0, 0)")
cathy.execute("UPDATE ks.cf SET val = 1 WHERE id = 1")
rows = list(cathy.execute("SELECT * FROM ks.cf"))
assert 2 == len(rows)
cathy.execute("DELETE FROM ks.cf WHERE id = 1")
rows = list(cathy.execute("SELECT * FROM ks.cf"))
assert 1 == len(rows)
rows = list(cathy.execute("TRUNCATE ks.cf"))
assert len(rows) == 0
def assert_unauthorized(self, message, session, query):
with pytest.raises(Unauthorized) as cm:
session.execute(query)
assert_regexp_matches(repr(cm._excinfo[1]), message)
def get_session(self, node_idx=0, user=None, password=None):
"""
Connect with a set of credentials to a given node. Connection is not exclusive to that node.
@param node_idx Initial node to connect to
@param user User to connect as
@param password Password to use
@return Session as user, to specified node
"""
node = self.cluster.nodelist()[node_idx]
session = self.patient_cql_connection(node, user=user, password=password)
return session
def prepare(self, nodes=1, roles_expiry=0):
config = {'authenticator': 'org.apache.cassandra.auth.PasswordAuthenticator',
'authorizer': 'org.apache.cassandra.auth.CassandraAuthorizer',
'role_manager': 'org.apache.cassandra.auth.CassandraRoleManager',
'permissions_validity_in_ms': 0,
'roles_validity_in_ms': roles_expiry}
self.cluster.set_configuration_options(values=config)
self.cluster.populate(nodes).start(wait_for_binary_proto=True)
self.cluster.wait_for_any_log('Created default superuser', 25)