def test_basic_server_error_binding():
BREAKAGE = '*****breakage*****'
class MyServer(object):
@HttpServer.route('/broken')
def broken_handler(self):
raise Exception('unhandled exception!')
@HttpServer.error(404)
@HttpServer.error(500)
def error_handler(self, error):
return BREAKAGE
server = HttpServer()
mserver = MyServer()
server.mount_routes(mserver)
# Test 404 error handling.
resp = server.app(make_request('/nonexistent_page'),
functools.partial(response_asserter, 404))
assert resp[0] == BREAKAGE
# Test 500 error handling.
resp = server.app(make_request('/broken'),
functools.partial(response_asserter, 500))
assert resp[0] == BREAKAGE
def configure_server(task_observer):
bottle_wrapper = BottleObserver(task_observer)
root_metrics = RootMetrics()
server = HttpServer()
server.mount_routes(bottle_wrapper)
server.mount_routes(DiagnosticsEndpoints())
server.mount_routes(VarsEndpoint())
register_build_properties(root_metrics)
register_diagnostics(root_metrics)
return server
def main(args, opts):
if args:
print("ERROR: unrecognized arguments: %s\n" % (" ".join(args)),
file=sys.stderr)
app.help()
sys.exit(1)
root_server = HttpServer()
root_server.mount_routes(DiagnosticsEndpoints())
task_observer = TaskObserver(opts.root)
task_observer.start()
bottle_wrapper = BottleObserver(task_observer)
root_server.mount_routes(bottle_wrapper)
def run():
root_server.run('0.0.0.0', opts.port, 'cherrypy')
et = ExceptionalThread(target=run)
et.daemon = True
et.start()
et.join()
def main(args, options):
log.info("Options in use: %s", options)
if not options.api_port:
app.error('Must specify --port')
if not options.mesos_master:
app.error('Must specify --mesos_master')
if not options.framework_user:
app.error('Must specify --framework_user')
if not options.executor_uri:
app.error('Must specify --executor_uri')
if not options.executor_cmd:
app.error('Must specify --executor_cmd')
if not options.zk_url:
app.error('Must specify --zk_url')
if not options.admin_keypath:
app.error('Must specify --admin_keypath')
try:
election_timeout = parse_time(options.election_timeout)
framework_failover_timeout = parse_time(
options.framework_failover_timeout)
except InvalidTime as e:
app.error(e.message)
try:
_, zk_servers, zk_root = zookeeper.parse(options.zk_url)
except Exception as e:
app.error("Invalid --zk_url: %s" % e.message)
web_assets_dir = os.path.join(options.work_dir, "web")
pkgutil.unpack_assets(web_assets_dir, MYSOS_MODULE, ASSET_RELPATH)
log.info("Extracted web assets into %s" % options.work_dir)
fw_principal = None
fw_secret = None
if options.framework_authentication_file:
try:
with open(options.framework_authentication_file, "r") as f:
cred = yaml.load(f)
fw_principal = cred["principal"]
fw_secret = cred["secret"]
log.info(
"Loaded credential (principal=%s) for framework authentication"
% fw_principal)
except IOError as e:
app.error(
"Unable to read the framework authentication key file: %s"
% e)
except (KeyError, yaml.YAMLError) as e:
app.error(
"Invalid framework authentication key file format %s" % e)
log.info("Starting Mysos scheduler")
kazoo = KazooClient(zk_servers)
kazoo.start()
if options.state_storage == 'zk':
log.info("Using ZooKeeper (path: %s) for state storage" % zk_root)
state_provider = ZooKeeperStateProvider(kazoo, zk_root)
else:
log.info("Using local disk for state storage")
state_provider = LocalStateProvider(options.work_dir)
try:
state = state_provider.load_scheduler_state()
except StateProvider.Error as e:
app.error(e.message)
if state:
log.info("Successfully restored scheduler state")
framework_info = state.framework_info
if framework_info.HasField('id'):
log.info("Recovered scheduler's FrameworkID is %s" %
framework_info.id.value)
else:
log.info("No scheduler state to restore")
framework_info = FrameworkInfo(
user=options.framework_user,
name=FRAMEWORK_NAME,
checkpoint=True,
failover_timeout=framework_failover_timeout.as_(Time.SECONDS),
role=options.framework_role)
if fw_principal:
framework_info.principal = fw_principal
state = Scheduler(framework_info)
state_provider.dump_scheduler_state(state)
scheduler = MysosScheduler(state,
state_provider,
options.framework_user,
options.executor_uri,
options.executor_cmd,
kazoo,
options.zk_url,
election_timeout,
options.admin_keypath,
installer_args=options.installer_args,
backup_store_args=options.backup_store_args,
executor_environ=options.executor_environ,
framework_role=options.framework_role)
if fw_principal and fw_secret:
cred = Credential(principal=fw_principal, secret=fw_secret)
scheduler_driver = mesos.native.MesosSchedulerDriver(
scheduler, framework_info, options.mesos_master, cred)
else:
scheduler_driver = mesos.native.MesosSchedulerDriver(
scheduler, framework_info, options.mesos_master)
scheduler_driver.start()
server = HttpServer()
server.mount_routes(MysosServer(scheduler, web_assets_dir))
et = ExceptionalThread(target=server.run,
args=('0.0.0.0', options.api_port, 'cherrypy'))
et.daemon = True
et.start()
try:
# Wait for the scheduler to stop.
# The use of 'stopped' event instead of scheduler_driver.join() is necessary to stop the
# process with SIGINT.
while not scheduler.stopped.wait(timeout=0.5):
pass
except KeyboardInterrupt:
log.info('Interrupted, exiting.')
else:
log.info('Scheduler exited.')
app.shutdown(
1
) # Mysos scheduler is supposed to be long-running thus the use of exit status 1.
