Windshaft-cartodb/lib/monitoring/health-check.js

'use strict';

var fs = require('fs');

function HealthCheck (disableFile) {
    this.disableFile = disableFile;
}

module.exports = HealthCheck;

HealthCheck.prototype.check = function (callback) {
    fs.readFile(this.disableFile, function handleDisabledFile (err, data) {
        var disabledError = null;
        if (!err) {
            disabledError = new Error(data || 'Unknown error');
            disabledError.http_status = 503;
        }
        return callback(disabledError);
    });
};