#!/usr/bin/python

## Nag Small Screen   v1.04
## Ryan McDonald 2006    http://ryanmcdonald.net/nss
## This software is distributed under the GPL.
## Tested under Python 2.4.3 and Nagios 2.5

import os.path, datetime, sys

class Nag:
    
    def __init__(self):

	datfile="/var/nagios/status.dat"

	sys.stderr = sys.stdout

	print "Content-type: text/html"
	print 
	print "<title>Nagios PDA View</title>"
	print "<small>"
	print "<b>System time:</b> <br>\n " + datetime.datetime.now().strftime("%m/%d/%Y %I:%M %p") + "<br><br>"

        if os.path.exists(datfile) == False:
	    print "<title>Nagios PDA View</title>"
	    print "Nagios status file not found.  Check file path."
            return

        self.infile = open(datfile,"r")
        while 1:
            line = self.infile.readline()
            if line == "":
                break
            if line[:4] == "info":
                self.info()
            if line[:4] == "host":
                self.host()
            if line[:7] == "service":
                self.service()

    def info(self):
        while 1:
            line = self.infile.readline()
            line = line.strip()
            if line == "}":
                break
            param = line.split("=")[0]
            if param == "created":
                t = long(line[8:])
                created = datetime.datetime.fromtimestamp(t).strftime("%m/%d/%Y %I:%M %p")

        print "<b>Last Nagios Check: </b><br>\n " + created + "<br>" 

    def host(self):
        while 1:
            line = self.infile.readline()
            line = line.strip()
            if line == "}":
                break
            param = line.split("=")[0]
            if param == "host_name":
                host_name = line[10:]
            if param == "current_state":
                current_state = line[14:]
            if param == "plugin_output":
                plugin_output = line[14:]
            if param == "last_state_change":
                t = long(line[18:])
                last_state_change = datetime.datetime.fromtimestamp(t).strftime("%m/%d/%Y %I:%M %p")

        if current_state != "0":
            print "<hr><b>" + host_name + "</b><br>\n&nbsp;&nbsp;Host Ping<br>\n&nbsp;&nbsp;" + last_state_change + "<br>\n&nbsp;&nbsp;" + plugin_output + "<br>" 
    
    def service(self):
        while 1:
            line = self.infile.readline()
            line = line.strip()
            if line == "}":
                break
            param = line.split("=")[0]
            if param == "host_name":
                host_name = line[10:]
            if param == "service_description":
                service_description = line[20:]
            if param == "current_state":
                current_state = line[14:]
            if param == "plugin_output":
                plugin_output = line[14:]
            if param == "last_state_change":
		t = long(line[18:])
                last_state_change = datetime.datetime.fromtimestamp(t).strftime("%m/%d/%Y %I:%M %p")


        if current_state != "0":
            print "<hr><b>" + host_name + "</b><br>\n&nbsp;&nbsp;" + service_description + "<br>\n&nbsp;&nbsp;" + last_state_change  + "<br>\n&nbsp;&nbsp;" + plugin_output + "<br>" 

app = Nag()