#!/usr/bin/env python3
# -*- coding: utf-8 -*-
'''
Criticality: Low
Check that the monitoring graphs work.
'''
import os
from datetime import datetime
import sys
import imp

YELLOW = '\033[93m'
GREEN = '\033[92m'
RED = '\033[91m'
DEF = '\033[0m'

os.chdir(os.path.dirname(__file__))
if not os.path.isfile('../utils.py'):
    print('The envsetup configuration was not found.')
    sys.exit(1)
else:
    es_utils = imp.load_source('es_utils', '../utils.py')
    conf = es_utils.load_conf()


def print_color(txt, col):
    print('%s%s%s' % (col, txt, DEF))


def print_yellow(txt):
    print_color(txt, YELLOW)


def print_red(txt):
    print_color(txt, RED)


def print_green(txt):
    print_color(txt, GREEN)


host = conf.get('MS_SERVER_NAME')
suffix = '.'.join(host.split('.')[1:])
MUNIN_CHECK_PATH = "/var/cache/munin/www/%s/%s/cpu-day.png" % (suffix, host)
if not os.path.exists(MUNIN_CHECK_PATH):
    MUNIN_CHECK_PATH = "/var/cache/munin/www/%s/%s/cpu-day.png" % ("localdomain", "localhost.localdomain")

def check_munin():
    print('Checking if monitoring works')
    mtime = os.path.getmtime(MUNIN_CHECK_PATH)
    d = datetime.fromtimestamp(mtime)
    now = datetime.now()
    diff_seconds = (now - d).total_seconds()
    if diff_seconds > 3600:
        print_red('Monitoring data is older than 1 hour and is probably not working.')
        return 1
    else:
        print_green('Monitoring data is not older than 1 hour, everything seems fine.')
        return 0

if not os.path.exists(MUNIN_CHECK_PATH):
    print_red('Munin data %s not found.' % MUNIN_CHECK_PATH)
    sys.exit(1)

rc = check_munin() 
sys.exit(rc)