def start(self):
"""Start the unit agent process."""
self.service_state_manager = ServiceStateManager(self.client)
self.executor.start()
# Retrieve our unit and configure working directories.
service_name = self.unit_name.split("/")[0]
service_state = yield self.service_state_manager.get_service_state(
service_name)
self.unit_state = yield service_state.get_unit_state(self.unit_name)
self.unit_directory = os.path.join(
self.config["juju_directory"], "units",
self.unit_state.unit_name.replace("/", "-"))
self.state_directory = os.path.join(self.config["juju_directory"],
"state")
# Setup the server portion of the cli api exposed to hooks.
from twisted.internet import reactor
self.api_socket = reactor.listenUNIX(
os.path.join(self.unit_directory, HOOK_SOCKET_FILE),
self.api_factory)
# Setup the unit state's address
address = yield get_unit_address(self.client)
yield self.unit_state.set_public_address(
(yield address.get_public_address()))
yield self.unit_state.set_private_address(
(yield address.get_private_address()))
# Inform the system, we're alive.
yield self.unit_state.connect_agent()
self.lifecycle = UnitLifecycle(self.client, self.unit_state,
service_state, self.unit_directory,
self.executor)
self.workflow = UnitWorkflowState(self.client, self.unit_state,
self.lifecycle, self.state_directory)
if self.get_watch_enabled():
yield self.unit_state.watch_resolved(self.cb_watch_resolved)
yield self.unit_state.watch_hook_debug(self.cb_watch_hook_debug)
yield service_state.watch_config_state(
self.cb_watch_config_changed)
# Fire initial transitions, only if successful
if (yield self.workflow.transition_state("installed")):
yield self.workflow.transition_state("started")
# Upgrade can only be processed if we're in a running state so
# for case of a newly started unit, do it after the unit is started.
if self.get_watch_enabled():
yield self.unit_state.watch_upgrade_flag(
self.cb_watch_upgrade_flag)
def setUp(self):
yield super(UnitWorkflowTest, self).setUp()
yield self.setup_default_test_relation()
self.lifecycle = UnitLifecycle(self.client, self.states["unit"],
self.states["service"],
self.unit_directory, self.executor)
self.juju_directory = self.makeDir()
self.state_directory = self.makeDir(
path=os.path.join(self.juju_directory, "state"))
self.workflow = UnitWorkflowState(self.client, self.states["unit"],
self.lifecycle, self.state_directory)
def setUp(self):
yield super(UnitLifecycleTest, self).setUp()
yield self.setup_default_test_relation()
self.lifecycle = UnitLifecycle(self.client, self.states["unit"],
self.states["service"],
self.unit_directory, self.executor)
