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contrib: add munin plugins

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Signed-off-by: Gilles Bouthenot <gilles.bouthenot@univ-fcomte.fr>
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Gilles Bouthenot 2012-12-05 14:33:01 +01:00 • committed by Sami Kerola
parent bc654bcc68
commit 443b197901
6 changed files with 173 additions and 1 deletions
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49
contrib/munin_plugins/dhcpstats_percent.js Executable file
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#!/usr/bin/env node
var command = "dhcpd-pools"
var timeout = 5000; // (ms) if the command take longer, then kill it
var execFile = require('child_process').execFile;
var echo = require('util').print;
var arg = process.argv[2];
if ("autoconf" === arg) {
echo("yes\n");
return 0;
}
execFile(command, [ "--format=j", "--sort=n" ], { timeout: timeout }, function(error, stdout, stderr) {
if (error !== null) {
console.log('exec error: ' + error);
return 1;
}
stdout = JSON.parse(stdout);
if ("config" === arg) {
echo("graph_title dhcp usage (in percent)\n");
echo("graph_args --upper-limit 100 -l 0 --rigid\n");
echo("graph_vlabel %\n");
echo("graph_scale no\n");
echo("graph_category network\n");
stdout["subnets"].forEach(function(subnet) {
var location = subnet["location"];
var range = subnet["range"];
echo(location + '.label ' + location + ' (' + range + ')\n');
echo(location + '.warning 75\n');
echo(location + '.critical 90\n');
});
} else {
stdout["shared-networks"].forEach(function(network) {
var location = network["location"];
var used = network["used"];
var defined = network["defined"];
// keep 1 digit after decimal point
var percent = Math.ceil(used * 100 / defined) / 10;
echo(location + '.value ' + percent + '\n');
});
}
});