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@bsiegel
Created November 22, 2011 16:06
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IsTFSOK
var http = require('http');
var url = require('url');
var exec = require('child_process').exec;
var init = 'C:\\cygwin\\bin\\wget.exe --cookies=on --keep-session-cookies --save-cookies="C:\\Users\\bsiegel\\Documents\\My Web Sites\\istfsok\\cookie.txt" -qO- http://nagiosxi/nagiosxi'
var cmd = 'C:\\cygwin\\bin\\wget.exe --referer=http://nagiosxi/nagiosxi/index.php --cookies=on --load-cookies="C:\\Users\\bsiegel\\Documents\\My Web Sites\\istfsok\\cookie.txt" --keep-session-cookies -qO- "http://nagiosxi/nagiosxi/includes/components/xicore/status.php?show=hostdetail&host=TFS%20Server%20-%20AtNet"'
http.createServer(function (req, res) {
var url_parts = url.parse(req.url);
if (url_parts.pathname == '/') {
console.log('Serving request');
var child = exec(init, function (error, stdout, stderr) {
console.log('Init request complete');
var child = exec(cmd, function (error, stdout, stderr) {
console.log('Cmd request complete');
if (error !== null) {
console.log('error');
res.writeHead(500, { 'Content-Type': 'text/html' });
res.end('Error when contacting nagios: ' + error);
} else {
var txt = stdout.replace(/\n/g, '');
console.log('Regexing');
var matches = txt.match(/hoststatusdetailinfotext">(.+?) -/i);
console.log(matches[1]);
var outp = (matches[1] == "OK" || matches[1] == "UP") ? "YEP" : (matches[1] == "WARNING" ? "KINDA" : "NOPE");
res.writeHead(200, { 'Content-Type': 'text/html' });
res.end('<html><body><center><div style="float:left;height:50%;margin-bottom:-120px"></div><div style="clear:both;height:240px;position:relative;font-size:240px">' + outp + '</div></center></body></html>');
}
});
});
} else {
res.writeHead(404, {'Content-Type': 'text/html'});
res.end("<h1>404 Not Found</h1>");
}
}).listen(process.env.PORT || 8080);
@bsiegel
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bsiegel commented Nov 22, 2011

Due to limitations of the current version of Node on Windows (at the time), I could not use a node package to do the HTTP requests and ended up having to shell out to wget. Also Nagios has some weirdness with cookies and referrers, so I had to first request the main Nagios page and save the cookies, and then request the page I actually wanted with the saved cookies.

@bsiegel
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bsiegel commented Nov 22, 2011

Also, the WARNING status was actually what was happening more often than TFS just being down. The link to the co-lo was very lossy sometimes and TFS operations would time out or take forever to complete.

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