eureka-js-client

<!doctype html> <html lang="en"> <head> <title>Code coverage report for src/AwsMetadata.js</title> <meta charset="utf-8" /> <link rel="stylesheet" href="../prettify.css" /> <link rel="stylesheet" href="../base.css" /> <meta name="viewport" content="width=device-width, initial-scale=1"> <style type='text/css'> .coverage-summary .sorter { background-image: url(../sort-arrow-sprite.png); } </style> </head> <body> <div class='wrapper'> <div class='pad1'> <h1> <a href="../index.html">all files</a> / <a href="index.html">src/</a> AwsMetadata.js </h1> <div class='clearfix'> <div class='fl pad1y space-right2'> 100% Statements 54/54 </div> <div class='fl pad1y space-right2'> 96.67% Branches 29/30 </div> <div class='fl pad1y space-right2'> 100% Functions 23/23 </div> <div class='fl pad1y space-right2'> 100% Lines 38/38 </div> <div class='fl pad1y'> 1 statement, 1 branch Ignored      </div> </div> </div> <div class='status-line high'></div> <pre><table class="coverage"> <tr><td class="line-count quiet">1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87</td><td class="line-coverage quiet">1× 1× 1×           1×   15× 15× 15×     1× 3×   3×     3×     3×     3×     3×     3×     3×     3×     3×       3× 3×         3× 3× 3× 3× 33× 33×   3×         1× 30×     30× 2×   30×       1× 3×     3× 1×   3×        </td><td class="text"><pre class="prettyprint lang-js">import request from 'request'; import async from 'async'; import Logger from './Logger';   /* Utility class for pulling AWS metadata that Eureka requires when registering as an Amazon instance (datacenter). */ export default class AwsMetadata {   constructor(config = {}) { this.logger = config.logger || new Logger(); this.host = config.host || '169.254.169.254'; }   fetchMetadata(resultsCallback) { async.parallel({ 'ami-id': callback => { this.lookupMetadataKey('ami-id', callback); }, 'instance-id': callback => { this.lookupMetadataKey('instance-id', callback); }, 'instance-type': callback => { this.lookupMetadataKey('instance-type', callback); }, 'local-ipv4': callback => { this.lookupMetadataKey('local-ipv4', callback); }, 'local-hostname': callback => { this.lookupMetadataKey('local-hostname', callback); }, 'availability-zone': callback => { this.lookupMetadataKey('placement/availability-zone', callback); }, 'public-hostname': callback => { this.lookupMetadataKey('public-hostname', callback); }, 'public-ipv4': callback => { this.lookupMetadataKey('public-ipv4', callback); }, mac: callback => { this.lookupMetadataKey('mac', callback); }, accountId: callback => { // the accountId is in the identity document. this.lookupInstanceIdentity((error, identity) => { callback(null, identity ? identity.accountId : null); }); }, }, (error, results) => { // we need the mac before we can lookup the vpcId... this.lookupMetadataKey(`network/interfaces/macs/${results.mac}/vpc-id`, (err, vpcId) => { results['vpc-id'] = vpcId; this.logger.debug('Found Instance AWS Metadata', results); const filteredResults = Object.keys(results).reduce((filtered, prop) => { if (results[prop]) filtered[prop] = results[prop]; return filtered; }, {}); resultsCallback(filteredResults); }); }); }   lookupMetadataKey(key, callback) { request.get({ url: `http://${this.host}/latest/meta-data/${key}`, }, (error, response, body) => { if (error) { this.logger.error('Error requesting metadata key', error); } callback(null, (error || response.statusCode !== 200) ? null : body); }); }   lookupInstanceIdentity(callback) { request.get({ url: `http://${this.host}/latest/dynamic/instance-identity/document`, }, (error, response, body) => { if (error) { this.logger.error('Error requesting instance identity document', error); } callback(null, (error || response.statusCode !== 200) ? null : JSON.parse(body)); }); } }  </pre></td></tr> </table></pre> <div class='push'></div> </div> <div class='footer quiet pad2 space-top1 center small'> Code coverage generated by <a href="http://istanbul-js.org/" target="_blank">istanbul</a> at Fri May 31 2019 10:52:39 GMT-0700 (PDT) </div> </div> <script src="../prettify.js"></script> <script> window.onload = function () { if (typeof prettyPrint === 'function') { prettyPrint(); } }; </script> <script src="../sorter.js"></script> </body> </html>