async def test_replica_reaction_to_master_lock_change(app):
plugins = setup_plugins(app,
pg_get_timeline=42,
pg_replication_role='replica')
assert app.initialize() == None
plugins.reset_mock()
# if the lock changes owner to someone else, carry on trucking
plugins.reset_mock()
app.master_lock_changed('someone else')
assert app._plugins.mock_calls == [
call.pg_replication_role(),
]
assert app._master_lock_owner == 'someone else'
# if the lock is owned by us, er, we stop replication and become the master
plugins.reset_mock()
plugins.pg_replication_role.side_effect = ['replica', 'master']
app.master_lock_changed(app.my_id)
assert app._plugins.mock_calls == [
call.pg_replication_role(),
call.pg_stop_replication(),
call.pg_replication_role(),
call.pg_get_timeline(),
call.dcs_set_timeline(42),
call.dcs_set_state({
'health_problems': {},
'replication_role': 'master',
'host': '127.0.0.1'}),
]
assert app._master_lock_owner == app.my_id
async def test_replica_reaction_to_master_lock_change(app):
plugins = setup_plugins(app,
pg_get_timeline=42,
pg_replication_role='replica')
assert app.initialize() == None
plugins.reset_mock()
# if the lock changes owner to someone else, carry on trucking
plugins.reset_mock()
app.master_lock_changed('someone else')
assert plugins.mock_calls == [
call.pg_replication_role(),
call.master_lock_changed('someone else')
]
assert app._master_lock_owner == 'someone else'
# if the lock is owned by us, er, we stop replication and become the master
plugins.reset_mock()
plugins.pg_replication_role.side_effect = ['replica', 'master']
app.master_lock_changed(app.my_id)
assert plugins.mock_calls == [
call.pg_replication_role(),
call.dcs_set_state({
'replication_role': 'taking-over',
'willing': None,
'health_problems': {},
'host': '127.0.0.1'
}),
call.pg_stop_replication(),
call.pg_replication_role(),
call.pg_get_timeline(),
call.dcs_set_timeline(42),
call.dcs_set_state({
'health_problems': {},
'replication_role': 'master',
'willing': None,
'host': '127.0.0.1'
}),
call.master_lock_changed('42')
]
assert app._master_lock_owner == app.my_id
async def test_replica_reaction_to_master_lock_change(app):
plugins = setup_plugins(app,
pg_get_timeline=42,
pg_am_i_replica=True)
assert app.initialize() == None
plugins.reset_mock()
# if the lock changes owner to someone else, carry on trucking
plugins.reset_mock()
app.master_lock_changed('someone else')
assert app._plugins.mock_calls == [
call.pg_am_i_replica(),
]
assert app._master_lock_owner == 'someone else'
# if the lock is owned by us, er, we stop replication and become the master
plugins.reset_mock()
app.master_lock_changed(app.my_id)
print(app._plugins.mock_calls)
assert app._plugins.mock_calls == [
call.pg_am_i_replica(),
call.pg_stop_replication(),
call.pg_get_timeline(),
call.dcs_set_timeline(42),
]
assert app._master_lock_owner == app.my_id
