def test_plugin_tells_app_to_follow_new_leader(app):
plugins = setup_plugins(app)
app.initialize()
plugins.reset_mock()
app.follow(primary_conninfo=dict(host='127.0.0.9', port=5432))
assert plugins.mock_calls == [
call.pg_setup_replication(primary_conninfo={'port': 5432, 'host': '127.0.0.9'}),
call.pg_reload()]
def test_plugin_tells_app_to_follow_new_leader(app):
plugins = setup_plugins(app)
app.initialize()
plugins.reset_mock()
app.follow(primary_conninfo=dict(host='127.0.0.9', port=5432))
assert plugins.mock_calls == [
call.pg_replication_role(),
call.pg_setup_replication({'port': 5432, 'host': '127.0.0.9'}),
call.pg_restart()] # must restart for new recovery.conf to take effect
def test_plugin_tells_app_to_follow_new_leader(app):
plugins = setup_plugins(app)
app.initialize()
plugins.reset_mock()
app.follow(primary_conninfo=dict(host='127.0.0.9', port=5432))
assert plugins.mock_calls == [
call.pg_replication_role(),
call.pg_setup_replication({
'port': 5432,
'host': '127.0.0.9'
}),
call.pg_restart()
] # must restart for new recovery.conf to take effect
def test_replica_bootstrap(app):
plugins = setup_plugins(app,
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()
]
# shut down cleanly and immediately
assert timeout == 0
def test_replica_bootstrap(app):
plugins = setup_plugins(app, dcs_get_database_identifier='1234')
plugins.pg_get_database_identifier.side_effect = ['42', '1234']
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()
]
# shut down cleanly and immediately
assert timeout == 0
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
