1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
|
# 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 __future__ import print_function
from kubernetes import client, config
import grpc
import argparse
import pickle
import collector_pb2
import collector_pb2_grpc
# This is a basic client script to test server GRPC messaging
# TODO improve interface overall
def run(args, grpc_port='50054'):
pod_ip = get_podip('clover-collector')
if pod_ip == '':
return "Can not find service: {}".format(args['service_name'])
collector_grpc = pod_ip + ':' + grpc_port
channel = grpc.insecure_channel(collector_grpc)
stub = collector_pb2_grpc.ControllerStub(channel)
if args['cmd'] == 'init':
return init_visibility(stub)
elif args['cmd'] == 'start':
return start_collector(stub)
elif args['cmd'] == 'stop':
return stop_collector(stub)
elif args['cmd'] == 'clean':
return clean_visibility(stub)
else:
return "Invalid command: {}".format(args['cmd'])
def get_podip(pod_name):
ip = ''
if pod_name != '':
config.load_kube_config()
v1 = client.CoreV1Api()
ret = v1.list_pod_for_all_namespaces(watch=False)
for i in ret.items:
if i.metadata.name.lower().find(pod_name.lower()) != -1:
print("Pod IP: {}".format(i.status.pod_ip))
ip = i.status.pod_ip
return str(ip)
return str(ip)
def init_visibility(stub):
try:
cassandra_hosts = pickle.dumps(['cassandra.default'])
response = stub.InitVisibility(collector_pb2.ConfigCassandra(
cassandra_hosts=cassandra_hosts, cassandra_port=9042))
except Exception as e:
return e
return response.message
def clean_visibility(stub):
try:
cassandra_hosts = pickle.dumps(['cassandra.default'])
schemas = pickle.dumps(['spans', 'traces', 'metrics'])
response = stub.TruncateVisibility(collector_pb2.Schemas(
schemas=schemas, cassandra_hosts=cassandra_hosts,
cassandra_port=9042))
except Exception as e:
return e
return response.message
def start_collector(stub):
try:
cassandra_hosts = pickle.dumps(['cassandra.default'])
response = stub.StartCollector(collector_pb2.ConfigCollector(
t_port='16686', t_host='jaeger-deployment.istio-system',
m_port='9090', m_host='prometheus.istio-system',
c_port='9042', c_hosts=cassandra_hosts,
sinterval='5'))
except Exception as e:
return e
return response.message
def stop_collector(stub):
try:
response = stub.StopCollector(collector_pb2.ConfigCollector())
except Exception as e:
return e
return response.message
if __name__ == '__main__':
parser = argparse.ArgumentParser()
parser.add_argument(
'--cmd', required=True,
help='Command to execute in collector')
args = parser.parse_args()
print(run(vars(args)))
|
