diff options
Diffstat (limited to 'clover/collector/grpc/collector_server.py')
-rw-r--r-- | clover/collector/grpc/collector_server.py | 98 |
1 files changed, 98 insertions, 0 deletions
diff --git a/clover/collector/grpc/collector_server.py b/clover/collector/grpc/collector_server.py new file mode 100644 index 0000000..a10078e --- /dev/null +++ b/clover/collector/grpc/collector_server.py @@ -0,0 +1,98 @@ +# Copyright (c) Authors of Clover +# +# All rights reserved. This program and the accompanying materials +# are made available under the terms of the Apache License, Version 2.0 +# which accompanies this distribution, and is available at +# http://www.apache.org/licenses/LICENSE-2.0 + + +from concurrent import futures +from clover.collector.db.cassops import CassandraOps +import time +import sys +import grpc +import subprocess +import pickle +import logging +import collector_pb2 +import collector_pb2_grpc + + +_ONE_DAY_IN_SECONDS = 60 * 60 * 24 +GRPC_PORT = '[::]:50054' + + +class Controller(collector_pb2_grpc.ControllerServicer): + + def __init__(self, init_visibility): + logging.basicConfig(filename='collector_server.log', + level=logging.DEBUG) + self.collector = 0 + if init_visibility == 'set_schemas': + cassandra_hosts = pickle.dumps(['cassandra.clover-system']) + self.InitVisibility(collector_pb2.ConfigCassandra( + cassandra_port=9042, cassandra_hosts=cassandra_hosts), "") + + def StopCollector(self, r, context): + try: + subprocess.Popen.kill(self.collector) + msg = "Stopped collector on pid: {}".format(self.collector.pid) + except Exception as e: + logging.debug(e) + msg = "Failed to stop collector" + return collector_pb2.CollectorReply(message=msg) + + def StartCollector(self, r, context): + try: + self.collector = subprocess.Popen( + ["python", "process/collect.py", + "-sinterval={}".format(r.sinterval), + "-c_port={}".format(r.c_port), + "-t_port={}".format(r.t_port), "-t_host={}".format(r.t_host), + "-m_port={}".format(r.m_port), "-m_host={}".format(r.m_host), + "-c_hosts={}".format(pickle.loads(r.c_hosts)), "&"], + shell=False) + msg = "Started collector on pid: {}".format(self.collector.pid) + except Exception as e: + logging.debug(e) + msg = e + return collector_pb2.CollectorReply(message=msg) + + def InitVisibility(self, r, context): + try: + cass = CassandraOps(pickle.loads(r.cassandra_hosts), + r.cassandra_port) + cass.init_visibility() + msg = "Added visibility schemas in cassandra" + except Exception as e: + logging.debug(e) + msg = "Failed to initialize cassandra" + return collector_pb2.CollectorReply(message=msg) + + def TruncateVisibility(self, r, context): + try: + cass = CassandraOps(pickle.loads(r.cassandra_hosts), + r.cassandra_port) + cass.truncate(pickle.loads(r.schemas)) + msg = "Truncated visibility tables" + except Exception as e: + logging.debug(e) + msg = "Failed to truncate visibility" + return collector_pb2.CollectorReply(message=msg) + + +def serve(init_visibility): + server = grpc.server(futures.ThreadPoolExecutor(max_workers=10)) + collector_pb2_grpc.add_ControllerServicer_to_server( + Controller(init_visibility), server) + server.add_insecure_port(GRPC_PORT) + server.start() + try: + while True: + time.sleep(_ONE_DAY_IN_SECONDS) + except KeyboardInterrupt: + server.stop(0) + + +if __name__ == '__main__': + serve(sys.argv[1]) |