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zendesk_statsd.js
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zendesk_statsd.js
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var https = require('https');
var lynx = require('lynx');
var nconf = require('nconf');
var logging = require('node-logging');
var metrics;
var loadConfig = function(filename) {
nconf.file(filename)
.env();
nconf.defaults({
statsdPort: 8125,
statsdServer: 'localhost',
logLevel: 'debug',
statsdPrefix: 'zendesk',
interval: 60000,
});
logging.setLevel(nconf.get('logLevel'));
metrics = new lynx(
nconf.get('statsdServer'),
nconf.get('statsdPort')
);
};
var getCounts = function(cb) {
var options = {
auth: nconf.get('zendeskUsername') + "/token:" + nconf.get('zendeskToken'),
hostname: nconf.get('zendeskHostname'),
path: '/api/v2/views/count_many.json?ids=' + Object.keys(nconf.get('viewsToStats')).join(',')
};
var req = https.get(options, function(res) {
res.on('data', function(d) {
logging.dbg('got response from zendesk' + d);
JSON.parse(d).view_counts.forEach(function(c) {
cb(nconf.get('viewsToStats')[c.view_id], c.value);
});
});
});
};
var sendStats = function() {
getCounts(function(view, count) {
var key = nconf.get('statsdPrefix') + '.' + view;
metrics.gauge(key, count);
logging.inf('sending ' + key + ' : ' + count);
});
}
var checkConfig = function() {
configErrors = {
viewsToStats: 'Please add some view -> stat mappings in the settings file',
zendeskHostname: 'Please set the zendesk hostname (yoursubdomain.zendesk.com) in the settings file',
zendeskUsername: 'Please set your zendesk username in the settings file',
zendeskToken: 'Please set your zendesk token in the settings file',
};
Object.keys(configErrors).forEach(function(key) {
if (!nconf.get(key)) {
logging.err(configErrors[key]);
logging.err('Exiting due to missing config');
process.exit();
}
});
}
var main = function() {
var filename = 'settings.json';
if (process.argv.length === 3) {
filename = process.argv[2];
}
loadConfig(filename);
checkConfig();
sendStats();
setInterval(sendStats, nconf.get('interval'));
}
main();