def restart(protocol=None, uris=None, parallel=None, **kwargs):
logger.debug("uris: %s" % uris)
logger.debug("parallel: %s" % parallel)
logger.debug("kwargs: %s" % kwargs)
components = restore_current_state()
service_uris = expand_hosts(uris)
service_uris = glob_hosts(components, service_uris)
logging.debug("service uris: %s" % service_uris)
stop_plan = metalogic(STOP, uris, plan_post_handler=identity)
service_states = {}
for action in stop_plan.actions:
service_states[action.uri] = components[action.uri].state
logging.debug("current states: %s" % service_states)
start_uris = [uri for uri, state in service_states.iteritems()
if state == UP] + uris
start_uris = set(start_uris)
logging.info("restarting %s" % ", ".join(start_uris))
start_plan = metalogic(START, start_uris, plan_post_handler=identity)
plan = ActionPlan('restart', [stop_plan, start_plan], nr_workers=1)
for line in plan.dump(include_preconditions=True).splitlines():
logging.info(line)
plan = apply_instructions(plan, parallel)
dump_action_plan('restart', plan)
return 'restart'
def restart(protocol=None, uris=None, parallel=None, **kwargs):
logger.debug("uris: %s" % uris)
logger.debug("parallel: %s" % parallel)
logger.debug("kwargs: %s" % kwargs)
components = restore_current_state()
service_uris = expand_hosts(uris)
service_uris = glob_hosts(components, service_uris)
logging.debug("service uris: %s" % service_uris)
stop_plan = metalogic(STOP, uris, plan_post_handler=identity)
service_states = {}
for action in stop_plan.actions:
service_states[action.uri] = components[action.uri].state
logging.debug("current states: %s" % service_states)
start_uris = [
uri for uri, state in service_states.iteritems() if state == UP
] + uris
start_uris = set(start_uris)
logging.info("restarting %s" % ", ".join(start_uris))
start_plan = metalogic(START, start_uris, plan_post_handler=identity)
plan = ActionPlan('restart', [stop_plan, start_plan], nr_workers=1)
for line in plan.dump(include_preconditions=True).splitlines():
logging.info(line)
plan = apply_instructions(plan, parallel)
dump_action_plan('restart', plan)
return 'restart'
def create_plan_to_start_services_after_rebooting(services, rebooted_hosts, components):
start_plan = metalogic(
yadtshell.settings.START,
services,
plan_post_handler=identity)
for start_action in start_plan.actions:
if start_action.uri in services:
for host_uri in get_all_adjacent_needed_hosts(start_action.uri, components):
if host_uri in rebooted_hosts:
start_action.preconditions.add(yadtshell.actions.TargetState(
host_uri, 'state', 'rebooted'))
return start_plan
def create_plan_to_stop_all_services_on(host_uris):
return metalogic(
yadtshell.settings.STOP,
host_uris,
plan_post_handler=identity)
