def setup_logging(logging_level):
"""
Setup the loggers.
"""
gl(logging_level) # setup simulation logging
gl.info("Started Gateway logging with level '{}'".format(logging_level))
bl(logging_level) # setup backend logging
bl.info("Started Backend logging with level '{}'".format(logging_level))
def setup_logging(logging_level):
"""
Setup the loggers.
"""
cl(logging_level) # setup simulation logging
cl.info("Started Core logging with level '{}'".format(logging_level))
sl(logging_level) # setup simulation logging
sl.info("Started Simulation logging with level '{}'".format(logging_level))
bl(logging_level) # setup backend logging
bl.info("Started Backend logging with level '{}'".format(logging_level))
def setUp(self):
cl("debug")
bl("debug")
sl("debug")
# queues for pushing information about new files over the socket
# send from server
self.new_file_server_queue = multiprocessing.Queue()
# receive at client
self.new_file_client_queue = multiprocessing.Queue()
#
# a queue for returning the requested index
self.queue_datacopy_backend_index_data = multiprocessing.Queue()
#
# queue for index data on client side
self.queue_client_index_data = multiprocessing.Queue()
# server and client side of index exchange
# index request events
self.get_index_server_event = multiprocessing.Event()
self.get_index_client_event = multiprocessing.Event()
# index avail events
self.index_avail_server_event = multiprocessing.Event()
self.index_avail_client_event = multiprocessing.Event()
# index pipes
self.server_index_pipe = multiprocessing.Pipe()
self.client_index_pipe = multiprocessing.Pipe()
(self.server_index_pipe_local,
self.server_index_pipe_remote) = self.server_index_pipe
(self.client_index_pipe_local,
self.client_index_pipe_remote) = self.client_index_pipe
# queues for getting files from the ceph cluster
# request file at server
self.file_name_request_server_queue = multiprocessing.Queue()
# send file contents, name and hash from server
self.file_contents_name_hash_server_queue = multiprocessing.Queue()
# request file name at client
self.file_name_request_client_queue = multiprocessing.Queue()
# receive file contents, name and hash on client
self.file_contents_name_hash_client_queue = multiprocessing.Queue()
self.shutdown_backend_manager_event = multiprocessing.Event()
self.shutdown_client_event = multiprocessing.Event()
print()
def setUp(self):
cl("debug")
bl("debug")
sl("debug")
self.ceph_config = pathlib.Path.home() / ".ccphi/simuser.ceph.conf"
self.ceph_pool = "simdata"
self.pool_user = "******"
self.queue_ceph_tasks = multiprocessing.Queue()
self.event_shutdown_process = multiprocessing.Event()
self.queue_index = multiprocessing.Queue()
self.queue_namespace_index = multiprocessing.Queue()
self.queue_object_tags = multiprocessing.Queue()
self.queue_object_data = multiprocessing.Queue()
self.queue_object_hash = multiprocessing.Queue()
num_conns = 10
print()
self.conns = []
for _ in range(num_conns):
conn = multiprocessing.Process(
target=cc.CephConnection,
args=(self.ceph_config, self.ceph_pool, self.pool_user,
self.queue_ceph_tasks, self.event_shutdown_process,
self.queue_index, self.queue_namespace_index,
self.queue_object_tags, self.queue_object_data,
self.queue_object_hash))
self.conns.append(conn)
for conn in self.conns:
conn.start()
time.sleep(.1)
def tearDown(self):
sl("quiet")
bl("quiet")
cl("quiet")
def setUp(self):
sl("debug")
bl("debug")
cl("debug")
ceph_conf = pathlib.Path.home() / ".ccphi/simuser.ceph.conf"
ceph_pool = "simdata"
ceph_user = "******"
host = "localhost"
backend_port = 9009
simulation_port = 9010
# create all necessary queues, pipes and events for inter process
# communication
#
# inter process communication for registering new files
#
# a queue for sending information about new files from the simulation to the
# data copy process
self.queue_sim_datacopy_new_file = multiprocessing.Queue()
#
# a queue for requesting the hash for a new file from the ceph cluster
queue_datacopy_ceph_request_hash_for_new_file = multiprocessing.Queue()
#
# a queue for answering the request for a hash for a new file from the ceph
# cluster. contains the name and the hash
queue_datacopy_ceph_answer_hash_for_new_file = multiprocessing.Queue()
#
# a queue for sending the name and hash of a new file to the backend manager
self.queue_datacopy_backend_new_file_and_hash = multiprocessing.Queue()
# inter process communication for requesting files from the ceph cluster
#
# a queue for sending a request for a file to the ceph manager
queue_backend_ceph_request_file = multiprocessing.Queue()
#
# a queue for answering the request for a file with the file name, contents
# and hash
queue_backend_ceph_answer_file_name_contents_hash = multiprocessing.Queue(
)
# inter process communication for requesting the index for the backend
# manager from the data copy
#
# an event for requesting the index for the backend from the data copy
event_datacopy_backend_get_index = multiprocessing.Event()
#
# a queue for returning the requested index
queue_datacopy_backend_index_data = multiprocessing.Queue()
# #
# # an event for telling the backend that the index from the data copy is
# # ready for pickup
# self.event_datacopy_backend_index_ready = multiprocessing.Event()
# #
# # a pipe that connects the datacopy mgr and the backend class, for
# # transferring the requested index
# (
# self.pipe_this_end_datacopy_backend_index,
# self.pipe_that_end_datacopy_backend_index
# ) = multiprocessing.Pipe()
# inter process communication for requesting the index for the data manager
# from the ceph cluster
#
# an event for requesting the index for the data copy from the ceph cluster
event_datacopy_ceph_update_index = multiprocessing.Event()
#
# a queue for updating the local datacopy with these names and hashes
queue_datacopy_ceph_filename_and_hash = multiprocessing.Queue()
# inter process communication for shutting down processes
#
# an event for shutting down the backend manager
self.event_backend_manager_shutdown = multiprocessing.Event()
#
# an event for shutting down the ceph manager
self.event_ceph_shutdown = multiprocessing.Event()
self.localdata_manager = multiprocessing.Process(
target=LocalDataManager,
args=(
self.queue_sim_datacopy_new_file,
queue_datacopy_ceph_request_hash_for_new_file,
queue_datacopy_ceph_answer_hash_for_new_file,
self.queue_datacopy_backend_new_file_and_hash,
event_datacopy_backend_get_index,
queue_datacopy_backend_index_data,
# event_datacopy_backend_index_ready,
# pipe_this_end_datacopy_backend_index,
event_datacopy_ceph_update_index,
queue_datacopy_ceph_filename_and_hash))
simulation_manager = multiprocessing.Process(
target=SimulationManager,
args=(
host,
simulation_port,
self.queue_sim_datacopy_new_file,
))
backend_manager = multiprocessing.Process(
target=BackendManager,
args=(
host,
backend_port,
self.queue_datacopy_backend_new_file_and_hash,
event_datacopy_backend_get_index,
queue_datacopy_backend_index_data,
# event_datacopy_backend_index_ready,
# pipe_that_end_datacopy_backend_index,
queue_backend_ceph_request_file,
queue_backend_ceph_answer_file_name_contents_hash,
self.event_backend_manager_shutdown))
self.ceph_manager = multiprocessing.Process(
target=CephManager,
args=(ceph_conf, ceph_pool, ceph_user, self.event_ceph_shutdown,
queue_datacopy_ceph_request_hash_for_new_file,
queue_datacopy_ceph_answer_hash_for_new_file,
queue_backend_ceph_request_file,
queue_backend_ceph_answer_file_name_contents_hash,
event_datacopy_ceph_update_index,
queue_datacopy_ceph_filename_and_hash))
print()
try:
self.ceph_manager.start()
time.sleep(.1)
self.localdata_manager.start()
time.sleep(.1)
# self.client.start()
# time.sleep(.1)
except KeyboardInterrupt:
# self.event_backend_manager_shutdown.set()
self.event_ceph_shutdown.set()
# self.shutdown_client_event.set()
time.sleep(1)
self.localdata_manager.terminate()
# self.client.terminate()
self.ceph_manager.terminate()
def setUp(self):
cl("debug")
bl("debug")
sl("debug")
def setUp(self):
cl("debug")
bl("debug")
sl("debug")
# queues for pushing information about new files over the socket
# send from server
self.new_file_server_queue = multiprocessing.Queue()
# receive at client
self.new_file_client_queue = multiprocessing.Queue()
# server and client side of index exchange
# index request events
self.get_index_server_event = multiprocessing.Event()
self.get_index_client_event = multiprocessing.Event()
#
# a queue for returning the requested index
self.queue_datacopy_backend_index_data = multiprocessing.Queue()
#
# a queue for returning the requested index
self.queue_client_index_data = multiprocessing.Queue()
# #
# # an event for telling the backend that the index from the data copy is
# # ready for pickup
# self.event_datacopy_backend_index_ready = multiprocessing.Event()
# #
# # a pipe that connects the datacopy mgr and the backend class, for
# # transferring the requested index
# (
# self.pipe_this_end_datacopy_backend_index,
# self.pipe_that_end_datacopy_backend_index
# ) = multiprocessing.Pipe()
# # index avail events
# # self.index_avail_server_event = multiprocessing.Event()
# self.index_avail_client_event = multiprocessing.Event()
# # index pipes
# # self.server_index_pipe = multiprocessing.Pipe()
# self.client_index_pipe = multiprocessing.Pipe()
# # (
# # self.server_index_pipe_local,
# # self.server_index_pipe_remote
# # ) = self.server_index_pipe
# (
# self.client_index_pipe_local,
# self.client_index_pipe_remote
# ) = self.client_index_pipe
# queues for getting files from the ceph cluster
# request file at server
self.file_name_request_server_queue = multiprocessing.Queue()
# send file contents, name and hash from server
self.file_contents_name_hash_server_queue = multiprocessing.Queue()
# request file name at client
self.file_name_request_client_queue = multiprocessing.Queue()
# receive file contents, name and hash on client
self.file_contents_name_hash_client_queue = multiprocessing.Queue()
self.shutdown_backend_manager_event = multiprocessing.Event()
self.shutdown_client_event = multiprocessing.Event()
print()
self.server = multiprocessing.Process(
target=backend_manager.BackendManager,
args=(
"localhost", 9001,
self.new_file_server_queue,
self.get_index_server_event,
self.queue_datacopy_backend_index_data,
# self.index_avail_server_event,
# self.server_index_pipe_remote,
self.file_name_request_server_queue,
self.file_contents_name_hash_server_queue,
self.shutdown_backend_manager_event,
)
)
self.server.start()
time.sleep(.1)
self.client = multiprocessing.Process(
target=client.Client,
args=(
"localhost", 9001,
self.new_file_client_queue,
self.get_index_client_event,
self.queue_client_index_data,
# self.index_avail_client_event,
# self.client_index_pipe_remote,
self.file_name_request_client_queue,
self.file_contents_name_hash_client_queue,
self.shutdown_client_event,
)
)
self.client.start()
time.sleep(.1)