zabbix-super-vision/super-server.py
2023-02-08 11:32:19 +01:00

329 lines
9.2 KiB
Python

import aiohttp_jinja2
import jinja2
import aiohttp
import settings
import time
import datetime
import logging
import sys
import random
import os
import json
import asyncio
import socket
from aiohttp import web
from zabbix_api import ZabbixAPI
from functools import lru_cache
stdio_handler = logging.StreamHandler()
stdio_handler.setLevel(logging.INFO)
_logger = logging.getLogger('aiohttp.access')
_logger.addHandler(stdio_handler)
_logger.setLevel(logging.INFO)
def convert_seconds(seconds):
time = "a few sec"
if seconds >= 60:
time = str(round(seconds / 60)) + " min"
if seconds > 3600:
if round(seconds / 3600) == 1:
time = "an hour"
else:
time = str(round(seconds / 3600)) + " hours"
if seconds >= 86400:
if round(seconds / 86400) == 1:
time = "a day"
else:
time = str(round(seconds / 86400)) + " days"
if seconds >= 2629746:
if round(seconds / 2629746) == 1:
time = "a month"
else:
time = str(round(seconds / 2629746)) + " months"
if seconds >= 31536000:
if round(seconds / 31536000) == 1:
time = "a year"
else:
time = str(round(seconds / 31536000)) + " years"
return time
def zabbix_login():
global zapi
x = 0
while x < 10:
try:
zapi = ZabbixAPI(server=settings.ZABBIX_API, timeout=int(settings.TIMEOUT))
zapi.login(settings.ZABBIX_LOGIN, settings.ZABBIX_PASS)
except Exception as e:
x+=1
_logger.error("[ERR] - {} Retry #{}: {}".format(datetime.datetime.now(), x, e))
time.sleep(x)
continue
break
if x >= 10:
sys.exit("Can't connect to Zabbix API.")
def zabbix_call(request, method):
global zapi
x = 0
while x < 10:
try:
if method == 'hostgroup':
resp = zapi.hostgroup.get(request)
elif method == 'triggers':
resp = zapi.trigger.get(request)
except Exception as e:
x+=1
_logger.error("[ERR] - {} Retry #{}: {}".format(datetime.datetime.now(), x, e))
time.sleep(x)
continue
break
if x >= 10:
sys.exit("Can't perform calls to Zabbix API.")
else:
return resp
def read_file(file_to_update):
if os.path.exists(file_to_update):
with open(file_to_update, 'r') as f:
out = json.load(f)
f.close()
return out
return False
def write_file(notes, file_to_update):
with open(file_to_update, 'w+') as f:
json.dump(notes, f)
f.close()
def display_notes(request):
note_list = []
notes = read_file('./data/motd.json')
teams = request.match_info.get('teams')
if notes:
for ts in notes:
for note in notes[ts]:
if note['team'] in teams or note['team'] == 'all':
date_note = datetime.datetime.utcfromtimestamp(int(ts)).strftime('%Y-%m-%d %H:%M:%S')
note_list.append({"lvl": note["lvl"], "date": date_note, "msg": note['msg'], "name": note['name'], "ts": ts })
return note_list
def get_hostgroup_color(hostgroup):
if hostgroup not in settings.COLOR_TEAM:
color = "#%06x;" % random.randint(0, 0xFFFFFF)
settings.COLOR_TEAM[hostgroup] = color
else:
color = settings.COLOR_TEAM[hostgroup]
return color
def get_hostgroups():
groups = []
for hg in settings.HOSTGROUP:
request = dict()
request['output'] = 'extend'
request['search'] = dict()
request['search']['name'] = hg
request['searchWildcardsEnabled'] = True
resp = zabbix_call(request, 'hostgroup')
for x in range(len(resp)):
groups.append(resp[x]['name'])
return groups
def get_ttl_hash(seconds=45):
return round(time.time() / seconds)
@lru_cache()
def get_problems(ttl_hash = None):
del ttl_hash
problems = []
limit = settings.LIMIT
groups = [group.lower() for group in get_hostgroups()]
try:
zapi.logged_in()
except Exception as e:
_logger.info('[INFO] - {}: Connection to Zabbix API'.format(datetime.datetime.now()))
zabbix_login()
team_list = settings.HOSTGROUP
groupids = []
for hg in team_list:
req = dict()
req['output'] = 'extend'
req['search'] = dict()
req['search']['name'] = hg
req['searchWildcardsEnabled'] = 1
resp = zabbix_call(req, 'hostgroup')
for x in range(len(resp)):
groupids.append(int(resp[x]['groupid']))
req = dict()
req['limit'] = limit
req['groupids'] = groupids
req['monitored'] = 1
req['maintenance'] = False
req['active'] = 1
req['min_severity'] = settings.SEVERITY
req['output'] = "extend"
req['expandData'] = 1
req['selectHosts'] = "extend"
req['selectGroups'] = "extend"
req['expandDescription'] = 1
req['only_true'] = 1
req['skipDependent'] = 1
req['withUnacknowledgedEvents'] = 1
req['withLastEventUnacknowledged'] = 1
req['selectTags'] = "extend"
req['filter'] = dict()
req['filter']['value'] = 1
req['sortfield'] = ["priority","lastchange"]
req['sortorder'] = ["DESC"]
resp = zabbix_call(req, 'triggers')
for x in range(len(resp)):
data = resp[x]
if len(data['hosts']) > 0:
# Loop on problems
for z in range(len(data['groups'])):
if int(data['groups'][z]['groupid']) in groupids:
hostgroup = data['groups'][z]['name']
color = get_hostgroup_color(hostgroup)
since = convert_seconds(int(time.time()) - int(data['lastchange']))
problems.append({'description': data['description'], 'host': data['hosts'][0]['host'], 'priority': data['priority'], 'triggerid': data['triggerid'], 'since': since, 'hostgroup': hostgroup, 'color': color, 'lastchange': data['lastchange']})
for y in range(len(data['tags'])):
tag_value = data['tags'][y]['value']
if tag_value.lower() in groups:
color = get_hostgroup_color(tag_value)
since = convert_seconds(int(time.time()) - int(data['lastchange']))
problems.append({'description': data['description'], 'host': data['hosts'][0]['host'], 'priority': data['priority'], 'triggerid': data['triggerid'], 'since': since, 'hostgroup': tag_value, 'color': color, 'lastchange': data['lastchange']})
_logger.info('[INFO] - {}: Refresh...'.format(datetime.datetime.now()))
return problems
async def post_note(request):
data = await request.post()
msg = data['msg']
team = data['team']
name = data['name']
url = data['url']
lvl = data['lvl']
ts = int(time.time())
j = {}
j[ts] = []
j[ts].append({
'team': team,
'name': name,
'msg': msg,
'lvl': lvl
})
if os.path.exists('./data/motd.json'):
out = read_file('./data/motd.json')
out.update(j)
write_file(out, './data/motd.json')
else:
write_file(j, './data/motd.json')
_logger.info("[ADD] - {}".format(j))
return aiohttp.web.HTTPFound(location=url, text='{}'.format(ts), content_type='text/html')
async def del_note(request):
data = await request.post()
note_id = data['note_id']
url = data['url']
out = read_file('./data/motd.json')
_logger.info('[DEL] - {}'.format(out[note_id]))
del out[note_id]
write_file(out, './data/motd.json')
return aiohttp.web.HTTPFound(location=url)
async def check_servers():
while True:
_logger.info('[INFO] - Checking Zabbix Servers: {}'.format(settings.ZABBIX_SERVERS_CHECK))
j = {}
for ip in settings.ZABBIX_SERVERS_CHECK:
port = 10051
if ':' in ip:
i = ip.split(':')
ip = i[0]
port = int(i[1].strip())
sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
sock.settimeout(5)
result = sock.connect_ex((ip, port))
if result == 0:
_logger.info("[INFO] - Port {} OK: {}".format(port, ip))
else:
_logger.error("[ERR] - Port {} KO: {}".format(port, ip))
j[ip] = result
sock.close()
if os.path.exists('./data/zabbix-servers.json'):
out = read_file('./data/zabbix-servers.json')
out.update(j)
write_file(out, './data/zabbix-servers.json')
else:
write_file(j, './data/zabbix-servers.json')
await asyncio.sleep(60)
async def start_background_tasks(app):
app['dispatch'] = app.loop.create_task(check_servers())
async def cleanup_background_tasks(app):
app['dispatch'].cancel()
await app['dispatch']
@aiohttp_jinja2.template('index.html')
def display_alerts(request):
url = str(request.url)
if '/tv/' in url:
tv_mode = True
else:
tv_mode = False
teams = request.match_info.get('teams')
try:
zapi.logged_in()
except Exception as e:
_logger.info('[INFO] - {}: Connection to Zabbix API'.format(datetime.datetime.now()))
zabbix_login()
if teams:
team_list = teams.lower().split('+')
check_servers = read_file('./data/zabbix-servers.json')
notes = display_notes(request)
problems = get_problems(ttl_hash=get_ttl_hash())
_logger.info(len(problems))
problems = [problem for problem in problems if problem.get('hostgroup').lower() in team_list]
problems = sorted(problems,
key = lambda i: (i['priority'], i['lastchange']),
reverse=True)
_logger.info('[NB ALERTS] - {}'.format(len(problems)))
context = {'alerts': problems, 'total_alerts': len(problems), 'zabbix_url': settings.ZABBIX_URL, "hostgroups": get_hostgroups(), "notes": notes, "tv_mode": tv_mode, "check_servers": check_servers}
return aiohttp_jinja2.render_template(
'index.html', request, context)
def main():
app = web.Application()
aiohttp_jinja2.setup(app,
loader=jinja2.FileSystemLoader('templates'))
app.add_routes([
web.get('/', display_alerts),
web.get('/{teams}', display_alerts),
web.get('/tv/{teams}', display_alerts),
aiohttp.web.post('/post', post_note),
aiohttp.web.post('/del', del_note),
aiohttp.web.static('/images', 'images'),
aiohttp.web.static('/css', 'css'),
aiohttp.web.static('/js', 'js')
])
app.on_startup.append(start_background_tasks)
app.on_cleanup.append(cleanup_background_tasks)
aiohttp.web.run_app(app, port=settings.PORT)
if __name__ == '__main__':
main()