def test_member_del(self):
repl_id = self.rs.create(
{'members': [{"rsParams": {"priority": 1.5}}, {}, {}]})
self.assertEqual(len(self.rs.members(repl_id)), 3)
assert_eventually(lambda: len(self.rs.secondaries(repl_id)) > 0)
secondary = self.rs.secondaries(repl_id)[0]
connected(pymongo.MongoClient(secondary['host'])) # No error.
self.assertTrue(self.rs.member_del(repl_id, secondary['_id']))
self.assertEqual(len(self.rs.members(repl_id)), 2)
with self.assertRaises(pymongo.errors.PyMongoError):
connected(pymongo.MongoClient(secondary['host']))
def test_member_del(self):
repl_id = self.rs.create(
{'members': [{
"rsParams": {
"priority": 1.5
}
}, {}, {}]})
self.assertEqual(len(self.rs.members(repl_id)), 3)
assert_eventually(lambda: len(self.rs.secondaries(repl_id)) > 0)
secondary = self.rs.secondaries(repl_id)[0]
connected(pymongo.MongoClient(secondary['host'])) # No error.
self.assertTrue(self.rs.member_del(repl_id, secondary['_id']))
self.assertEqual(len(self.rs.members(repl_id)), 2)
with self.assertRaises(pymongo.errors.PyMongoError):
connected(pymongo.MongoClient(secondary['host']))
def test_member_freeze(self):
# This tests Server, but only makes sense in the context of a replica set.
repl_id = self.rs.create({
'members': [{
"rsParams": {
"priority": 19
}
}, {
"rsParams": {
"priority": 5
}
}, {}]
})
next_primary_info = self.rs.member_info(repl_id, 2)
next_primary = next_primary_info['mongodb_uri']
secondary_info = self.rs.member_info(repl_id, 1)
secondary_server = Servers()._storage[secondary_info['server_id']]
primary_info = self.rs.member_info(repl_id, 0)
primary_server = Servers()._storage[primary_info['server_id']]
assert_eventually(lambda: primary_server.connection.is_primary)
def freeze_and_stop():
self.assertTrue(secondary_server.freeze(10))
try:
# Call replSetStepDown before killing the primary's process.
# This raises OperationFailure if no secondaries are capable
# of taking over.
primary_server.connection.admin.command('replSetStepDown', 10)
except pymongo.errors.AutoReconnect:
# Have to stop the server as well so it doesn't get reelected.
primary_server.stop()
return True
except pymongo.errors.OperationFailure:
# No secondaries within 10 seconds of my optime...
return False
assert_eventually(freeze_and_stop, "Primary didn't step down.")
assert_eventually(
lambda: (self.rs.primary(repl_id)['mongodb_uri'] == next_primary),
"Secondary did not freeze.",
max_tries=120)
assert_eventually(
lambda: (self.rs.primary(repl_id)['mongodb_uri'] == self.rs.
member_info(repl_id, 1)['mongodb_uri']),
"Higher priority secondary never promoted.")
def test_member_freeze(self):
# This tests Server, but only makes sense in the context of a replica set.
repl_id = self.rs.create(
{'members': [{"rsParams": {"priority": 19}},
{"rsParams": {"priority": 5}}, {}]})
next_primary_info = self.rs.member_info(repl_id, 2)
next_primary = next_primary_info['mongodb_uri']
secondary_info = self.rs.member_info(repl_id, 1)
secondary_server = Servers()._storage[secondary_info['server_id']]
primary_info = self.rs.member_info(repl_id, 0)
primary_server = Servers()._storage[primary_info['server_id']]
assert_eventually(lambda: primary_server.connection.is_primary)
def freeze_and_stop():
self.assertTrue(secondary_server.freeze(100))
try:
# Call replSetStepDown before killing the primary's process.
# This raises OperationFailure if no secondaries are capable
# of taking over.
primary_server.connection.admin.command('replSetStepDown', 10)
except pymongo.errors.AutoReconnect:
# Have to stop the server as well so it doesn't get reelected.
primary_server.stop()
return True
except pymongo.errors.OperationFailure:
# No secondaries within 10 seconds of my optime...
return False
assert_eventually(freeze_and_stop, "Primary didn't step down.")
assert_eventually(lambda: (
self.rs.primary(repl_id)['mongodb_uri'] == next_primary),
"Secondary did not freeze.",
max_tries=120
)
assert_eventually(lambda: (
self.rs.primary(repl_id)['mongodb_uri'] ==
self.rs.member_info(repl_id, 1)['mongodb_uri']),
"Higher priority secondary never promoted.",
max_tries=120
)