put in the first run at new nagios configs

roles/nagios_server/files/nagios/scripts/check_nagios_notifications.py

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