-
Notifications
You must be signed in to change notification settings - Fork 0
/
http_remote_check.py
242 lines (194 loc) · 7.51 KB
/
http_remote_check.py
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
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
#!/bin/env/python3
# -*- coding: utf-8 -*-
# Author:
# - Bosse Klein
# This script connects to a remote host and checks if the given website is
# reachable
# and checks for certain response codes
# The script is meant to be used in a cronjob
import pickle as rick
import base64 as b64
import os
import sys
import argparse as arg
import requests as req
import asyncio as aio
import asyncssh as ssh
import prometheus_client as prom
import re
import logging as log
# from imports
from logging.handlers import TimedRotatingFileHandler as rfh
from systemd.journal import JournalHandler as jh
# define variables
local_test = 0
def list_of_strings(arg):
return arg.split(',')
parser = arg.ArgumentParser(description="checks via remote-host http-codes")
parser.add_argument("-r",
"--remote",
help="The remote host",
default="localhost")
parser.add_argument("-p",
"--port",
help="The remote port",
default=22)
parser.add_argument("-u",
"--user",
help="The remote user",
default="root")
parser.add_argument("-i",
"--identity",
help="The identity file",
default=None)
parser.add_argument("-pw",
"--password",
help="The remote password",
default=None)
parser.add_argument("-s",
"--secret",
help="Path to the secret file",
type=str)
parser.add_argument("--codes",
help="The http codes to check for",
type=list_of_strings)
parser.add_argument("--targethost",
help="The http host",
default="localhost")
parser.add_argument("-l",
"--logging",
help="Enable logging",
action="store_true")
parser.add_argument("-ll",
"--loglevel",
help="Set loglevel",
default="INFO")
# create prometheus registry
registry = prom.CollectorRegistry()
# create prometheus metrics
http_remote_check = prom.Gauge('http_remote_check',
'Checks if http is reachable',
['targethost',
'remote',
'port',
'user'
])
http_local_check = prom.Gauge('http_local_check',
'Checks if http is reachable',
['targethost'])
http_Remote_check_status = prom.Gauge('http_remote_check_status',
'Checks if the check is working')
args = parser.parse_args()
if args.logging is True:
"""
Creates a rotating log
"""
log.basicConfig(level=args.loglevel,
format='%(asctime)s %(name)s %(levelname)s %(message)s',
datefmt='%Y-%m-%d %H:%M:%S',
filename='/var/log/http_remote_check.log',)
# define a Handler which writes INFO messages or higher to the sys.stderr
logger = log.getLogger("RedmineExporter")
logger.setLevel(args.loglevel)
# add a rotating handler
handler = rfh("/var/log/http_remote_check.log",
when="d",
interval=1,
backupCount=5)
journalhandler = jh()
logger.root.addHandler(journalhandler)
logger.root.addHandler(handler)
logger.info('Logging enabled')
logger.info('Journal logging enabled')
if args.secret:
try:
with (open(args.secret, "rb")) as secret_input:
secret = rick.load(secret_input)
secret = eval(b64.b64decode(secret))
secret = dict(secret)
args.remote = secret["remote"]
args.port = secret["port"]
args.user = secret["user"]
args.codes = secret["codes"]
args.targethost = secret["targethost"]
while True:
if args.identity is None and args.password is None and args.remote == "localhost":
local_test = 1
if secret["password"] is not None:
args.password = secret["password"]
args.identity = None
local_test = 0
if secret["identity"] is not None:
args.identity = secret["identity"]
args.password = None
local_test = 0
break
except Exception as e:
logger.critical("CRITICAL: Could not load secret file: {}".format(e))
if args.identity is not None and local_test == 0:
if not os.path.isfile(args.identity):
logger.critical("CRITICAL: Identity file not found")
sys.exit(2)
if args.password is None and args.identity is None and local_test == 0:
logger.critical("CRITICAL: No password or identity file given")
sys.exit(2)
if args.codes is None and local_test == 0:
logger.critical("CRITICAL: No http codes given")
sys.exit(2)
if local_test == 1:
logger.debug("DEBUG: Entering local mode")
async def run_client(host,
command: str) -> None:
if args.identity is not None:
async with ssh.connect(host=host,
username=args.user,
client_keys=args.identity,
port=args.port,
known_hosts=None) as conn:
return await conn.run(command)
if args.password is not None:
async with ssh.connect(host=host,
username=args.user,
password=args.password,
port=args.port,
known_hosts=None) as conn:
return await conn.run(command)
async def ssh_http_remote_check() -> None:
command = "curl -I -L {}".format(args.targethost)
task = (run_client(args.remote,
command))
http_remote_check_results = await aio.gather(task,
return_exceptions=True)
for result_http_remote in enumerate(http_remote_check_results):
if result_http_remote is not None:
http_Remote_check_status.set(1)
result = list(result_http_remote)
match = re.search(r'HTTP/1\.1 (\d+)', result[1].stdout)
if match:
http_status_code_remote = int(match.group(1))
http_remote_check.labels(args.targethost,
args.remote,
args.port,
args.user).set(http_status_code_remote)
def local_http_check():
try:
target = "http://{}".format(args.targethost)
response = req.get(target)
http_status_code_local = response.status_code
http_local_check.labels(args.targethost).set(http_status_code_local)
except Exception as e:
logger.critical("CRITICAL: {}".format(e))
# main-entrypoint
if __name__ == "__main__":
try:
registry.register(http_Remote_check_status)
registry.register(http_remote_check)
registry.register(http_local_check)
aio.new_event_loop().run_until_complete(ssh_http_remote_check())
local_http_check()
print(prom.generate_latest(registry).decode("utf-8"))
except Exception as e:
logger.critical("CRITICAL: {}".format(e))
sys.exit(2)
else:
sys.exit(0)