62 lines
1.6 KiB
JavaScript
62 lines
1.6 KiB
JavaScript
module.exports = function (grunt) {
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var config = require('./utils/server-config');
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var maybeStartServer = function (options) {
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return function () {
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var http = require('http');
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var opts = {
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method: 'HEAD',
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path: '/',
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host: 'localhost',
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port: options.port
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};
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grunt.log.debug('checking for server', JSON.stringify(opts));
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var req = http.request(opts);
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function onResponse(res) {
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grunt.log.debug('Server responded with', res.statusCode);
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var app = res.headers['x-app-name'];
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if (res.statusCode === 200 && app && app === 'kibana') {
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grunt.log.ok('Kibana server already started on port', options.port);
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} else {
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grunt.log.error('Another server is already running on port', options.port);
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process.exit(1);
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}
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done(res);
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}
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function onError(err) {
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if (err.code !== 'ECONNREFUSED') {
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grunt.log.error('Kibana server check failed', err);
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}
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grunt.config.set(options.name, true);
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grunt.task.run(options.tasks);
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done();
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}
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var done = (function (cb) {
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return function (res) {
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req.removeListener('error', onError);
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req.removeListener('response', onResponse);
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if (res) res.socket.destroy();
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cb();
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};
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})(this.async());
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req.on('error', onError);
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req.on('response', onResponse);
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req.end();
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};
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};
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grunt.registerTask('maybe_start_kibana', maybeStartServer({
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name: 'kibana-server',
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port: config.kibana.port,
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tasks: ['kibana_server']
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}));
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};
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