def scenario_four(reporter):
root_job = ServerJob('root', 0, 3)
regional_job = ServerJob('regional', 1, 3, root_job)
for i in xrange(0, 5):
c = Client('client', regional_job)
c.add_resource('resource0', 0, 100, 0.1, 10)
reporter.schedule('resource0')
reporter.set_filename('scenario_four')
return regional_job
def scenario_five(reporter, num_clients=5):
root_job = ServerJob('root', 0, 3)
for i in xrange(1, 4):
region_job = ServerJob('region:%i' % i, 1, 3, root_job)
for j in xrange(1, 4):
dc_job = ServerJob('dc:%d:%d' % (i, j), 2, 3, region_job)
for k in xrange(1, num_clients + 1):
client = Client('client:%d:%d' % (i, j), dc_job)
client.add_resource('resource0', 0, 15, 0.1, 10)
reporter.schedule('resource0')
reporter.set_filename('scenario_five')
def lose_master():
job = ServerJob.get_random_server_job()
t = random.randint(0, 60)
logger.info('Random mishap: Losing master job %s for %d seconds' %
(job.get_job_name(), t))
job.lose_master()
scheduler.add_relative(t, lambda: job.trigger_master_election())
def lose_master():
job = ServerJob.get_random_server_job()
t = random.randint(0, 60)
logger.info(
'Random mishap: Losing master job %s for %d seconds' %
(job.get_job_name(), t))
job.lose_master()
scheduler.add_relative(t, lambda: job.trigger_master_election())
def scenario_one(reporter):
job = ServerJob('root', 0, 3)
for i in xrange(0, 5):
c = Client('client', job)
c.add_resource('resource0', 0, 110, 0.1, 10)
reporter.schedule('resource0')
reporter.set_filename('scenario_one')
return job
def gather_reporting_data(self, resource_id):
logger.info('Gathering reporting data')
now = clock.get_time()
# Adds a record to the data set for this timestamp.
self.data[now] = dict()
self.summaries[now] = dict()
# Adds a summary record for the clients
p = ReportingData()
p.total_wants = 0
p.total_has = 0
self.summaries[now]['clients'] = p
self.all_summaries.add('clients')
# Step 1: Goes through all the clients in the system, gets their
# reporting data and adds it to the data set.
for client in Client.all_clients():
client_id = client.get_client_id()
self.all_clients.add(client_id)
data = client.get_reporting_data(resource_id)
if data:
self.data[now][client_id] = data
logger.debug('%s: %s' % (client_id, str(data)))
p.total_wants += data.wants
p.total_has += data.has
else:
logger.warning('No reporting data received from %s' % client_id)
# Step 2: Find the master server of every job, get its reporting data
# and add it to the data set.
for job in ServerJob.all_server_jobs():
current_master = job.get_master()
# If this job does not have a master then we got nothing to do.
if not current_master:
continue
job_name = job.get_job_name()
self.all_server_jobs.add(job_name)
data = current_master.get_reporting_data(resource_id)
if data:
self.data[now][job_name] = data
logger.debug('%s: %s' % (job_name, str(data)))
key = 'level %d' % current_master.get_server_level()
self.all_summaries.add(key)
if not key in self.summaries[now]:
p = ReportingData()
p.total_wants = 0
p.total_has = 0
p.total_leases = 0
p.total_outstanding = 0
self.summaries[now][key] = p
else:
p = self.summaries[now][key]
p.total_wants += data.wants
p.total_has += data.has
p.total_leases += data.leases
p.total_outstanding += data.outstanding
else:
logger.warning(
'No reporting data received from %s' %
current_master.get_server_id())
def trigger_master_election():
job = ServerJob.get_random_server_job()
logger.info('Random mishap: Triggering master election in job %s' %
job.get_job_name())
job.trigger_master_election()
def trigger_master_election():
job = ServerJob.get_random_server_job()
logger.info(
'Random mishap: Triggering master election in job %s' %
job.get_job_name())
job.trigger_master_election()
