recorder/contrib/ot-ping.py
2016-07-20 10:20:00 +02:00

134 lines
3.5 KiB
Python
Executable File

#!/usr/bin/env python
# -*- coding: utf-8 -*-
# OwnTracks Recorder
# Copyright (C) 2015-2016 Jan-Piet Mens <jpmens@gmail.com>
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
# ot-ping.py
# send a "pingping" to the OwnTracks Recorder via MQTT with "now"
# in timestamp (tst). Then verify via Recorder's REST interface
# whether the timestamp matches. Print a Nagios/Icinga-compatible
# string to stdout and exit() appropriately.
import paho.mqtt.publish as mqtt # pip install paho-mqtt
import json
import time
import os
import sys
import requests
__author__ = 'Jan-Piet Mens <jpmens()gmail.com>'
__copyright__ = 'Copyright 2015 Jan-Piet Mens'
hostname = 'localhost'
port = 1883
username = None
password = None
tls = None
qos = 0
retain = 0
UNKNOWN = -1
OK = 0
WARNING = 1
CRITICAL = 2
codes = [ 'OK', 'WARNING', 'CRITICAL' ]
def pingping(tics):
status = OK
msg = "MQTT publish"
params = {
'hostname' : hostname,
'port' : port,
'qos' : qos,
'retain' : retain,
'client_id' : "ot-recorder-ping-ping-%s" % os.getpid(),
}
auth = None
if username is not None:
auth = {
'username' : username,
'password' : password
}
topic = "owntracks/ping/ping"
location = {
"_type" : "location",
"tid" : "pp",
"lat" : 51.47879,
"lon" : -0.010677,
"tst" : tics,
}
topic = "owntracks/ping/ping"
payload = json.dumps(location)
try:
mqtt.single(topic, payload,
auth=auth,
tls=tls,
**params)
except Exception, e:
status = CRITICAL
msg = msg + " " + str(e)
return status, msg
# Connect to URL (http://host:port) and obtain the last position
# of the ping/ping user. Note: URL must not include the API endpoint
# Verify, that the `tst' in the returned payload is close to `tics'
def check_response(url, tics):
status = OK
msg = "ot-recorder pingping at %s: " % url
data = None
try:
r = requests.post(url + "/api/0/last", params= { 'user' : 'ping', 'device' : 'ping' })
data = json.loads(r.text)[0] # Return is an array
except Exception, e:
return CRITICAL, str(e)
tst = data['tst']
diff = tics - tst
if diff > 10:
status = WARNING
if diff > 60:
status = CRITICAL
msg = msg + " %d seconds difference" % diff
return status, msg
if __name__ == '__main__':
tics = int(time.time())
status, msg = pingping(tics)
if status != OK:
print "%s ot-recorder pingping failed: %s" % (codes[status], msg)
sys.exit(status)
status, msg = check_response('http://127.0.0.1:8083', tics)
print "%s %s" % (codes[status], msg)
sys.exit(status)