def generate(self,
pool_period,
max_flow_age,
threading_mode,
shm_size,
aeron_lib_path,
aeron_term_buffer_length,
aeron_ipc_term_buffer_length,
bw_emulation=True):
number_of_gods = 0
try:
number_of_gods = len(
docker.APIClient(base_url='unix:/' + DOCKER_SOCK).nodes())
except Exception as e:
msg = "DockerComposeFileGenerator.py requires special permissions in order to view cluster state.\n"
msg += "please, generate the .yaml file on a manager node."
print_error_named("compose_generator", msg)
print_and_fail(e)
self.print_header()
self.print_bootstrapper(number_of_gods, pool_period, max_flow_age,
threading_mode, shm_size, aeron_lib_path,
aeron_term_buffer_length,
aeron_ipc_term_buffer_length, bw_emulation)
for service in self.graph.services:
self.print_service(self.graph.services[service])
self.print_configs()
self.print_networks()
def bootstrap_dashboard(self, container):
try:
container_id = container.id
inspect_result = self.low_level_client.inspect_container(container_id)
pid = inspect_result["State"]["Pid"]
cmd = ["nsenter", "-t", str(pid),
"-n", "/usr/bin/python3", "/usr/bin/KollapsDashboard",
TOPOLOGY]
dashboard_instance = Popen(cmd)
self.instance_count += 1
print_named("god", "Dashboard bootstrapped.")
self.already_bootstrapped[container_id] = dashboard_instance
except:
print_error_named("god", "! failed to bootstrap dashboard.")
def broadcast_flows(self, active_paths):
"""
:param active_paths: List[NetGraph.Path]
:return:
"""
try:
with self.stop_lock:
if len(active_paths) > 0:
self.produced += self.peer_count
for path in active_paths:
links = [link.index for link in path.links]
self.flow_adding_func(int(path.used_bandwidth),
len(links),
(c_uint * len(links))(*links))
self.aeron_lib.flush()
except Exception as e:
print_error_named("broadcast_flows", str(e))
def bootstrap_app_container(self, container):
try:
container_id = container.id
inspect_result = self.low_level_client.inspect_container(container_id)
pid = inspect_result["State"]["Pid"]
print_named("god", "Bootstrapping " + container.name + " ...")
cmd = ["nsenter",
"-t", str(pid),
"-n", "/usr/bin/python3", "/usr/bin/KollapsEmulationManager",
TOPOLOGY, str(container_id), str(pid)]
emucore_instance = Popen(cmd)
self.instance_count += 1
print_named("god", "Done bootstrapping " + container.name)
self.already_bootstrapped[container_id] = emucore_instance
except:
print_error_named("god", "! App container bootstrapping failed... will try again.")
def bootstrap(self, mode, label, bootstrapper_id):
msg = "This is just a super class. I does not know what to do.\n"
msg += "Please verify that the code is calling one of the appropriate orchestrator bootstrappers."
print_error_named("Bootstrapper", msg)