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203 lines
8.3 KiB
Python
203 lines
8.3 KiB
Python
#!/usr/bin/env python
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#
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# End-to-end testing using actual rqlited binary.
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#
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# To run a specific test, execute
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#
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# python system_test/full_system_test.py Class.test
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import os
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import unittest
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from helpers import Node, Cluster, d_, write_random_file, deprovision_node, random_string, TIMEOUT
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RQLITED_PATH = os.environ['RQLITED_PATH']
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class TestBootstrapping(unittest.TestCase):
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'''Test simple bootstrapping works via -bootstrap-expect'''
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def test(self):
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n0 = Node(RQLITED_PATH, '0', bootstrap_expect=3)
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n1 = Node(RQLITED_PATH, '1', bootstrap_expect=3)
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n2 = Node(RQLITED_PATH, '2', bootstrap_expect=3)
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n0.start(join=','.join([n0.APIProtoAddr(), n1.APIProtoAddr(), n2.APIProtoAddr()]))
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n1.start(join=','.join([n0.APIProtoAddr(), n1.APIProtoAddr(), n2.APIProtoAddr()]))
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n2.start(join=','.join([n0.APIProtoAddr(), n1.APIProtoAddr(), n2.APIProtoAddr()]))
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self.assertEqual(n0.wait_for_leader(), n1.wait_for_leader())
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self.assertEqual(n0.wait_for_leader(), n2.wait_for_leader())
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# Ensure a 4th node can join later, with same launch params.
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n3 = Node(RQLITED_PATH, '4', bootstrap_expect=3)
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n3.start(join=','.join([n0.APIProtoAddr(), n1.APIProtoAddr(), n2.APIProtoAddr()]))
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n3.wait_for_leader()
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self.assertEqual(n3.wait_for_leader(), n0.wait_for_leader())
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deprovision_node(n0)
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deprovision_node(n1)
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deprovision_node(n2)
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deprovision_node(n3)
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class TestBootstrappingRestart(unittest.TestCase):
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'''Test restarting a bootstrapped cluster works via -bootstrap-expect'''
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def test(self):
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n0 = Node(RQLITED_PATH, '0', bootstrap_expect=3)
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n1 = Node(RQLITED_PATH, '1', bootstrap_expect=3)
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n2 = Node(RQLITED_PATH, '2', bootstrap_expect=3)
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n0.start(join=','.join([n0.APIProtoAddr(), n1.APIProtoAddr(), n2.APIProtoAddr()]))
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n1.start(join=','.join([n0.APIProtoAddr(), n1.APIProtoAddr(), n2.APIProtoAddr()]))
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n2.start(join=','.join([n0.APIProtoAddr(), n1.APIProtoAddr(), n2.APIProtoAddr()]))
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self.assertEqual(n0.wait_for_leader(), n1.wait_for_leader())
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self.assertEqual(n0.wait_for_leader(), n2.wait_for_leader())
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# Restart all nodes, and ensure they still form a cluster using the same launch params.
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n0.stop()
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n1.stop()
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n2.stop()
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n0.start(join=','.join([n0.APIProtoAddr(), n1.APIProtoAddr(), n2.APIProtoAddr()]))
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n1.start(join=','.join([n0.APIProtoAddr(), n1.APIProtoAddr(), n2.APIProtoAddr()]))
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n2.start(join=','.join([n0.APIProtoAddr(), n1.APIProtoAddr(), n2.APIProtoAddr()]))
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self.assertEqual(n0.wait_for_leader(), n1.wait_for_leader())
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self.assertEqual(n0.wait_for_leader(), n2.wait_for_leader())
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deprovision_node(n0)
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deprovision_node(n1)
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deprovision_node(n2)
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class TestBootstrappingRestartLeaveOnRemove(unittest.TestCase):
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'''Test restarting a bootstrapped cluster works via -bootstrap-expect when nodes self-remove'''
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def test(self):
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n0 = Node(RQLITED_PATH, '0', bootstrap_expect=3, raft_cluster_remove_shutdown=True)
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n1 = Node(RQLITED_PATH, '1', bootstrap_expect=3, raft_cluster_remove_shutdown=True)
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n2 = Node(RQLITED_PATH, '2', bootstrap_expect=3, raft_cluster_remove_shutdown=True)
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n0.start(join=','.join([n0.APIProtoAddr(), n1.APIProtoAddr(), n2.APIProtoAddr()]))
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n1.start(join=','.join([n0.APIProtoAddr(), n1.APIProtoAddr(), n2.APIProtoAddr()]))
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n2.start(join=','.join([n0.APIProtoAddr(), n1.APIProtoAddr(), n2.APIProtoAddr()]))
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self.assertEqual(n0.wait_for_leader(), n1.wait_for_leader())
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self.assertEqual(n0.wait_for_leader(), n2.wait_for_leader())
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# Restart one node, and ensure it still forms a cluster using the same launch params,
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# even though it was removed from the cluster on shutdown.
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n2.stop(graceful=True)
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self.assertEqual(len(n0.nodes()), 2)
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n2.start(join=','.join([n0.APIProtoAddr(), n1.APIProtoAddr(), n2.APIProtoAddr()]))
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n2.wait_for_leader() # Be sure node has joined cluster.
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# Ensure all nodes agree on which node is leader.
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self.assertEqual(n0.wait_for_leader(), n1.wait_for_leader())
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self.assertEqual(n0.wait_for_leader(), n2.wait_for_leader())
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self.assertEqual(len(n0.nodes()), 3)
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deprovision_node(n0)
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deprovision_node(n1)
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deprovision_node(n2)
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class TestAutoClustering(unittest.TestCase):
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DiscoModeConsulKV = "consul-kv"
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DiscoModeEtcdKV = "etcd-kv"
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def autocluster(self, mode):
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disco_key = random_string(10)
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n0 = Node(RQLITED_PATH, '0')
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n0.start(disco_mode=mode, disco_key=disco_key)
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n0.wait_for_leader()
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self.assertEqual(n0.disco_mode(), mode)
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j = n0.execute('CREATE TABLE foo (id INTEGER NOT NULL PRIMARY KEY, name TEXT)')
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self.assertEqual(j, d_("{'results': [{}]}"))
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j = n0.execute('INSERT INTO foo(name) VALUES("fiona")')
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n0.wait_for_all_fsm()
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j = n0.query('SELECT * FROM foo')
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self.assertEqual(j, d_("{'results': [{'values': [[1, 'fiona']], 'types': ['integer', 'text'], 'columns': ['id', 'name']}]}"))
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# Add second node, make sure it joins the cluster fine.
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n1 = Node(RQLITED_PATH, '1')
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n1.start(disco_mode=mode, disco_key=disco_key)
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n1.wait_for_leader()
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self.assertEqual(n1.disco_mode(), mode)
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j = n1.query('SELECT * FROM foo', level='none')
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self.assertEqual(j, d_("{'results': [{'values': [[1, 'fiona']], 'types': ['integer', 'text'], 'columns': ['id', 'name']}]}"))
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# Now a third.
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n2 = Node(RQLITED_PATH, '2')
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n2.start(disco_mode=mode, disco_key=disco_key)
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n2.wait_for_leader()
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self.assertEqual(n2.disco_mode(), mode)
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j = n2.query('SELECT * FROM foo', level='none')
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self.assertEqual(j, d_("{'results': [{'values': [[1, 'fiona']], 'types': ['integer', 'text'], 'columns': ['id', 'name']}]}"))
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# Now, kill the leader, which should trigger a different node to report leadership.
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deprovision_node(n0)
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# Add a fourth node, it should join fine using updated leadership details.
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# Use quick retries, as we know the leader information may be changing while
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# the node is coming up.
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n3 = Node(RQLITED_PATH, '3')
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n3.start(disco_mode=mode, disco_key=disco_key, join_interval='1s', join_attempts=1)
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n3.wait_for_leader()
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self.assertEqual(n3.disco_mode(), mode)
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j = n3.query('SELECT * FROM foo', level='none')
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self.assertEqual(j, d_("{'results': [{'values': [[1, 'fiona']], 'types': ['integer', 'text'], 'columns': ['id', 'name']}]}"))
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deprovision_node(n1)
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deprovision_node(n2)
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deprovision_node(n3)
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def autocluster_config(self, mode, config):
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disco_key = random_string(10)
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n0 = Node(RQLITED_PATH, '0')
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n0.start(disco_mode=mode, disco_key=disco_key, disco_config=config)
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n0.wait_for_leader()
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self.assertEqual(n0.disco_mode(), mode)
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j = n0.execute('CREATE TABLE foo (id INTEGER NOT NULL PRIMARY KEY, name TEXT)')
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self.assertEqual(j, d_("{'results': [{}]}"))
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j = n0.execute('INSERT INTO foo(name) VALUES("fiona")')
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n0.wait_for_all_fsm()
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j = n0.query('SELECT * FROM foo')
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self.assertEqual(j, d_("{'results': [{'values': [[1, 'fiona']], 'types': ['integer', 'text'], 'columns': ['id', 'name']}]}"))
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# Add second node, make sure it joins the cluster fine.
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n1 = Node(RQLITED_PATH, '1')
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n1.start(disco_mode=mode, disco_key=disco_key, disco_config=config)
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n1.wait_for_leader()
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self.assertEqual(n1.disco_mode(), mode)
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j = n1.query('SELECT * FROM foo', level='none')
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self.assertEqual(j, d_("{'results': [{'values': [[1, 'fiona']], 'types': ['integer', 'text'], 'columns': ['id', 'name']}]}"))
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deprovision_node(n0)
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deprovision_node(n1)
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def test_consul(self):
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'''Test clustering via Consul and that leadership change is observed'''
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self.autocluster(TestAutoClustering.DiscoModeConsulKV)
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def test_etcd(self):
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'''Test clustering via Etcd and that leadership change is observed'''
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self.autocluster(TestAutoClustering.DiscoModeEtcdKV)
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def test_consul_config(self):
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'''Test clustering via Consul with explicit file-based config'''
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filename = write_random_file('{"address": "localhost:8500"}')
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self.autocluster_config(TestAutoClustering.DiscoModeConsulKV, filename)
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os.remove(filename)
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def test_etcd_config(self):
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'''Test clustering via Etcd with explicit file-based config'''
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filename = write_random_file('{"endpoints": ["localhost:2379"]}')
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self.autocluster_config(TestAutoClustering.DiscoModeEtcdKV, filename)
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os.remove(filename)
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if __name__ == "__main__":
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unittest.main(verbosity=2)
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