104 lines
3.9 KiB
Python
Executable file
104 lines
3.9 KiB
Python
Executable file
#!/usr/bin/env python
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#
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# A script to read the Nagios status file and send email for notifications
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# off, but have recovered.
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#
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# Written by Athmane Madjoudj <athmane@fedoraproject.org>, 2011-11-15
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# based on tummy.com's work <jafo@tummy.com>, 2010-11-16
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# Released under the GPLv2.
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import re
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from smtplib import SMTP
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from email.mime.text import MIMEText
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from socket import gethostname
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# Settings
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debug = 0
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EMAIL_FROM="nagios@fedoraproject.org"
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EMAIL_TO="sysadmin-noc-members@fedoraproject.org"
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#EMAIL_TO="athmane@fedoraproject.org"
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nagios_status_file = '/var/spool/nagios/status.dat'
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class NagiosStatus:
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def __init__(self, filename):
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self.filename = filename
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self.hosts = {}
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self.load_status_file()
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def load_status_file(self):
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fp = open(self.filename, 'r')
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while True:
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line = fp.readline()
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if not line: break
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m = re.match(r'^hoststatus\s+{\s*$', line)
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if m:
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if debug >= 2: print 'START OF HOST'
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data = { 'services' : [] }
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while True:
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line = fp.readline()
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if not line: break
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if debug >= 2: print 'host: %s' % line.rstrip()
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m2 = re.match(r'^\s+([^=]+)=(\S.*)*$', line.rstrip())
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if not m2: break
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data[m2.group(1)] = m2.group(2)
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self.hosts[data['host_name']] = data
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if debug >= 2: print 'END OF HOST'
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m = re.match(r'^servicestatus\s+{\s*$', line)
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if m:
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if debug >= 2: print 'START OF SERVICE'
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data = {}
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while True:
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line = fp.readline()
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if not line: break
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if debug >= 2: print 'service: %s' % line.rstrip()
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m2 = re.match(r'^\s+([^=]+)=(.*)$', line.rstrip())
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if not m2: break
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data[m2.group(1)] = m2.group(2)
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self.hosts[data['host_name']]['services'].append(data)
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if debug >= 2: print 'END OF SERVICE'
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def main():
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status = NagiosStatus(nagios_status_file)
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output = ""
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for host in sorted(status.hosts.keys()):
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host = status.hosts[host]
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if host.get('notifications_enabled', None) == None:
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output+= 'Host %s has no notifications_enabled line \n' % host['host_name']
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continue
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# are there any hard states that aren't 0 or 1?
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hard_states = [ x for x in
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[ int(x['last_hard_state']) for x in host['services'] ]
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if not x in [0,1] ]
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need_newline = False
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if host['notifications_enabled'] == '0' and not hard_states:
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output += ('Host %s has notifications disabled and all services ok \n'
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% host['host_name'])
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need_newline = True
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for service in host['services']:
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if debug: print '%s@%s' % ( service['check_command'], host['host_name'] )
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if debug: print ' notifications_enabled: %(notifications_enabled)s last_hard_state: %(last_hard_state)s' % service
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if (int(service['notifications_enabled']) == 0
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and int(service['last_hard_state']) in [0,1]):
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output+= (('Service %(check_command)s@%(host_name)s\n'
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' has notifications disabled, but is ok\n') % service)
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need_newline = True
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if need_newline: output+="\n\n"
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if output.strip() != '':
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msg_body = "List of notifications off for recovered hosts/services: \n\n"+output
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msg = MIMEText(msg_body)
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msg['Subject']="Notifications status on %s" % gethostname()
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msg['From']=EMAIL_FROM
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msg['To']=EMAIL_TO
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smtp_conn = SMTP()
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smtp_conn.connect('localhost')
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smtp_conn.sendmail(EMAIL_FROM, EMAIL_TO, msg.as_string())
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smtp_conn.quit()
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if __name__ == '__main__':
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main()
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