35 lines
713 B
JavaScript
35 lines
713 B
JavaScript
'use strict';
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var step = require('step'),
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fs = require('fs');
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function HealthCheck(disableFile) {
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this.disableFile = disableFile;
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}
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module.exports = HealthCheck;
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HealthCheck.prototype.check = function(callback) {
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var self = this;
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step(
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function getManualDisable() {
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fs.readFile(self.disableFile, this);
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},
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function handleDisabledFile(err, data) {
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var next = this;
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if (err) {
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return next();
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}
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if (!!data) {
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err = new Error(data);
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err.http_status = 503;
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throw err;
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}
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},
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function handleResult(err) {
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callback(err);
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}
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);
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};
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