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# 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 clover.tracing.tracing import Tracing
from clover.monitoring.monitoring import Monitoring
from clover.collector.db.cassops import CassandraOps
from clover.collector.db.redisops import RedisOps
# import pprint
import time
import argparse
import logging
import ast
TRACING_SERVICES = ['istio-ingress']
TRACING_PORT = "16686"
MONITORING_PORT = "9090"
CASSANDRA_PORT = 9042 # Provide as integer
MONITORING_HOST = "prometheus.istio-system"
TRACING_HOST = "jaeger-deployment.istio-system"
CASSANDRA_HOSTS = ['cassandra.default']
class Collector:
def __init__(self, t_port, t_host, m_port, m_host, c_port, c_hosts):
logging.basicConfig(filename='collector.log', level=logging.DEBUG)
try:
self.t = Tracing(t_host, t_port, '', False)
monitoring_url = "http://{}:{}".format(m_host, m_port)
self.m = Monitoring(monitoring_url)
self.c = CassandraOps(c_hosts, int(c_port))
self.c.set_prepared()
self.r = RedisOps()
except Exception as e:
logging.debug(e)
# Toplevel tracing retrieval and batch insert
def get_tracing(self, services, time_back=20):
self.c.set_batch()
for service in services:
traces = self.t.getTraces(service, time_back)
try:
self.set_tracing(traces)
except Exception as e:
logging.debug(e)
self.c.execute_batch()
# Insert to cassandra visibility traces and spans tables
def set_tracing(self, trace):
for traces in trace['data']:
for spans in traces['spans']:
span = {}
span['spanID'] = spans['spanID']
span['duration'] = spans['duration']
span['startTime'] = spans['startTime']
span['operationName'] = spans['operationName']
tag = {}
for tags in spans['tags']:
tag[tags['key']] = tags['value']
self.c.insert_tracing('spans', traces['traceID'],
span, tag)
process_list = []
for p in traces['processes']:
process_list.append(p)
service_names = []
for pname in process_list:
service_names.append(traces['processes'][pname]['serviceName'])
self.c.insert_trace(traces['traceID'], service_names)
# Insert to cassandra visibility metrics table
def get_monitoring(self):
# Fetch collector service/metric lists from redis
service_names = self.r.get_services()
metric_prefixes, metric_suffixes = self.r.get_metrics()
self.c.set_batch()
for sname in service_names:
for prefix in metric_prefixes:
for suffix in metric_suffixes:
try:
metric_name = prefix + sname + suffix
query_params = {
"type": "instant",
"query": metric_name
}
data = self.m.query(query_params)
m_value = data['data']['result'][0]['value'][1]
m_time = data['data']['result'][0]['value'][0]
mn = data['data']['result'][0]['metric']['__name__']
self.c.insert_metric(mn, m_value, str(m_time), sname)
except Exception as e:
logging.debug(e)
self.c.execute_batch()
# TODO add batch retrieval for monitoring metrics
# query_range_param = {
# "type": "range",
# "query": "tbd",
# "start": "60m",
# "end": "5m",
# "step": "30s"
# }
# data = self.m.query(query_range_param)
# pp = pprint.PrettyPrinter(indent=2)
# pp.pprint(data)
def main(args):
if isinstance(args['c_hosts'], basestring):
ch = ast.literal_eval(args['c_hosts'])
else:
ch = args['c_hosts']
c = Collector(args['t_port'], args['t_host'], args['m_port'],
args['m_host'], args['c_port'], ch)
# Collector loop
loop = True
while loop:
try:
c.get_tracing(args['t_services'])
c.get_monitoring()
time.sleep(int(args['sinterval']))
except KeyboardInterrupt:
loop = False
if __name__ == '__main__':
parser = argparse.ArgumentParser()
parser.add_argument(
'-sinterval', default=5,
help='Sample interval for collector loop')
parser.add_argument(
'-t_port', default=TRACING_PORT,
help='Port to access Jaeger tracing')
parser.add_argument(
'-m_port', default=MONITORING_PORT,
help='Port to access Prometheus monitoring')
parser.add_argument(
'-t_host', default=TRACING_HOST,
help='Host to access Jaeger tracing')
parser.add_argument(
'-m_host', default=MONITORING_HOST,
help='Host to access Prometheus monitoring')
parser.add_argument(
'-c_hosts', default=CASSANDRA_HOSTS,
help='Host(s) to access Cassandra cluster')
parser.add_argument(
'-c_port', default=CASSANDRA_PORT,
help='Port to access Cassandra cluster')
parser.add_argument(
'-t_services', default=TRACING_SERVICES,
help='Collect services on this list of services')
args, unknown = parser.parse_known_args()
print(main(vars(args)))
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