def action(self):
print 'starting rain DRIVER_NODES...'
logger.info('starting rain DRIVER_NODES')
# Dump profile
profiles.dump(logger)
dlist = []
targets = hosts.get_hosts('target')
target_count = len(targets)
DRIVER_NODES = hosts.get_hosts('load')
driver_count = len(DRIVER_NODES)
targets_per_driver = int(math.ceil(float(target_count) / float(driver_count)))
for i in range(0, driver_count):
driver = DRIVER_NODES[i]
# Build targets for configuration
config_targets = []
for target in targets[i * targets_per_driver : (i + 1) * targets_per_driver]:
config_target = {}
config_target['target'] = target
# Important: Load the USER workload profile
config_target['profile'] = domains.user_profile_by_name(target)
config_targets.append(config_target)
print config_targets
# Configure drone
drones.prepare_drone('rain_start', 'rain.config.specj.json', targets=config_targets)
drones.create_drone('rain_start')
# Launch this drone
d = base.wait_for_message(self.blackboard.client_list, driver, 'rain_start', 'Waiting for start signal...', '/opt/rain/rain.log')
dlist.append(d)
# Wait for all load DRIVER_NODES to start
d = defer.Deferred()
dl = defer.DeferredList(dlist)
dl.addCallback(self.ok, d)
return d
def action(self):
print 'Starting rain DRIVER_NODES...'
logger.info('starting rain DRIVER_NODES')
# Deferred list
dlist = []
# Get all driver hosts
DRIVER_NODES = self.blackboard.hosts.get_hosts('load')
driver_count = len(DRIVER_NODES)
# Load schedules as JSON
from schedule import schedule_builder
json_schedules = schedule_builder.load_entries(conf_schedule.SCHEDULE_ID)
# For each Rain driver
for i in range(0, driver_count):
# Driver host
driver = DRIVER_NODES[i]
# Create launch drone with appropriate schedule
drones.prepare_drone('rain_start', 'rain.config.specj.json',
schedule=json_schedules[i])
drones.create_drone('rain_start')
# Launch this drone
logger.info('Launching Rain: %s' % driver)
d = base.wait_for_message(self.blackboard.hosts, self.blackboard.client_list, driver, 'rain_start', 'Waiting for start signal...', '/opt/rain/rain.log')
dlist.append(d)
# Wait for all Rain drivers to start
dl = defer.DeferredList(dlist)
d = defer.Deferred()
dl.addCallback(self.ok, d)
return d
