def test_failed_over_master_start(app):
# A master has failed over and restarted, another master has sucessfully advanced
plugins = setup_plugins(app,
dcs_lock=False,
dcs_get_timeline=2,
pg_get_timeline=1,
pg_replication_role='master')
# sync startup
timeout = app.initialize()
assert plugins.mock_calls == [
call.initialize(),
call.get_my_id(),
# compare our id with the id in the DCS
call.dcs_get_database_identifier(),
call.pg_get_database_identifier(),
# check if I am a replica
call.pg_replication_role(),
# no, so check if there is a master
call.dcs_lock('master'),
call.dcs_get_lock_owner('master'),
call.pg_stop(),
# compare our timeline to what's in the DCS
call.pg_get_timeline(),
call.dcs_get_timeline(),
# we're on an older timeline, so reset
call.pg_reset(),
]
# Carry on running afterwards
assert timeout == 5
def test_failed_over_master_start(app):
# A master has failed over and restarted, another master has sucessfully advanced
plugins = setup_plugins(app,
dcs_lock=False,
dcs_get_timeline=2,
pg_get_timeline=1,
pg_replication_role='master')
# sync startup
timeout = app.initialize()
assert plugins.mock_calls == [
call.initialize(),
call.get_my_id(),
# compare our id with the id in the DCS
call.dcs_get_database_identifier(),
call.pg_get_database_identifier(),
# check if I am a replica
call.pg_replication_role(),
# no, so check if there is a master
call.dcs_lock('master'),
call.dcs_get_lock_owner('master'),
call.pg_stop(),
# compare our timeline to what's in the DCS
call.pg_get_timeline(),
call.dcs_get_timeline(),
# we're on an older timeline, so reset
call.pg_reset(),
]
# Carry on running afterwards
assert timeout == 5
def test_replica_bootstrap_fails_sanity_test(app):
plugins = setup_plugins(app,
pg_am_i_replica=False,
dcs_get_database_identifier='1234',
pg_get_database_identifier='42')
timeout = app.initialize()
assert app._plugins.mock_calls == [
call.initialize(),
call.get_my_id(),
# compare our id with the id in the DCS
call.dcs_get_database_identifier(),
call.pg_get_database_identifier(),
# make sure postgresql is stopped
call.pg_stop(),
# postgresql restore
call.pg_restore(),
call.pg_setup_replication(),
call.pg_am_i_replica(),
call.pg_reset(),
]
# shut down after 5 seconds to try again
assert timeout == 5
def test_replica_bootstrap_fails_sanity_test(app):
plugins = setup_plugins(app,
pg_replication_role='master',
dcs_get_database_identifier='1234',
pg_get_database_identifier='42')
timeout = app.initialize()
assert plugins.mock_calls == [
call.initialize(),
call.get_my_id(),
# compare our id with the id in the DCS
call.dcs_get_database_identifier(),
call.pg_get_database_identifier(),
# make sure postgresql is stopped
call.pg_stop(),
# postgresql restore
call.pg_initdb(),
call.pg_restore(),
call.pg_setup_replication(None),
call.pg_get_database_identifier(),
call.pg_replication_role(),
call.pg_reset(),
]
# shut down after 5 seconds to try again
assert timeout == 5
