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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 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 | 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 16x 16x 16x 16x 1x 1x 1x 1x 1x 1x 1x 1x 1x 16x 16x 16x 16x 16x 16x 16x 16x 16x 16x 16x 16x 4x 4x 12x 16x 4x 12x 12x 12x 12x 2152x 12x 12x 1x | 'use strict'; var http = require('http'); var path = require('path'); var debug = require('debug')('sws:spectest'); //http.globalAgent.keepAlive = true; // Prometheus Client const promClient = require('prom-client'); const collectDefaultMetrics = promClient.collectDefaultMetrics; // Probe every 1 second collectDefaultMetrics({ timeout: 1000 }); // Server var server = null; // Express and middlewares var express = require('express'); var expressBodyParser = require('body-parser'); var expressFavicon = require('serve-favicon'); var expressStatic = require('serve-static'); var swaggerParser = require('swagger-parser'); var swStats = require('../../lib'); // require('swagger-stats'); var app = module.exports = express(); app.use(expressFavicon(path.join(__dirname, '../../ui/favicon.png'))); app.use('/ui',expressStatic(path.join(__dirname, '../../ui'))); app.use('/node_modules',expressStatic(path.join(__dirname, '../../node_modules'))); app.use(expressBodyParser.json()); app.use(expressBodyParser.urlencoded({ extended: true })); // JSON formatting app.set('json spaces', 2); app.set('json replacer', null); // all environments app.set('port', process.env.PORT || 3040); // Suppress cache on the GET API responses app.disable('etag'); app.get('/', function(req,res) { res.redirect('/swagger-stats/ui'); }); // Return Prometheus metrics from prom-client app.get('/metrics', function(req,res) { res.status(200).set('Content-Type', 'text/plain'); res.end(promClient.register.metrics()); }); // Testing validation of 3rd-party API spec var swaggerSpec = null; var parser = new swaggerParser(); var specLocation = 'petstore3.yaml'; Eif( process.env.SWS_SPECTEST_URL ){ specLocation = process.env.SWS_SPECTEST_URL; } var tlBucket = 60000; Iif( process.env.SWS_SPECTEST_TIMEBUCKET ){ tlBucket = parseInt(process.env.SWS_SPECTEST_TIMEBUCKET); } debug('Loading Swagger Spec from ' + specLocation ); parser.validate(specLocation,function(err, api) { Eif (!err) { debug('Success validating swagger file!'); swaggerSpec = api; var swsOptions = { name: 'swagger-stats-spectest', version: '0.95.15', hostname: "hostname", ip: "127.0.0.1", timelineBucketDuration: tlBucket, swaggerSpec:swaggerSpec, //basePath: '/api', uriPath: '/swagger-stats', durationBuckets: [10, 25, 50, 100, 200], requestSizeBuckets: [10, 25, 50, 100, 200], responseSizeBuckets: [10, 25, 50, 100, 200], apdexThreshold: 25, onResponseFinish: function(req,res,rrr){ // You can remove non-needed or private attributes from Request Response Record delete rrr.http.request.headers['user-agent']; // You can also extend Request Response Record with custom attributes // All custom properties under attrs will be casted to string and indexed in ElasticSearch as keyword rrr.attrs = { test1: "test1", test2: "test2", test3: 10, test4: true, test5: {prop:"value"} }; // All custom properties under attrsint will be casted to numeric and indexed in ElasticSearch as long rrr.attrsint = { numvalue1: 100, numvalue2: "100", numvalue3: false, numvalue4: "", numvalue5: {prop:"value"} }; debug('onResponseFinish: %s', JSON.stringify(rrr)); } }; // Enable Elasticsearch if specified Iif( process.env.SWS_ELASTIC ){ swsOptions.elasticsearch = process.env.SWS_ELASTIC; } Iif( process.env.SWS_ELASTIC_INDEX_PREFIX ){ swsOptions.elasticsearchIndexPrefix = process.env.SWS_ELASTIC_INDEX_PREFIX; } // Enable swagger-stats middleware with options app.use(swStats.getMiddleware(swsOptions)); // Implement mock API app.use(mockApiImplementation); // Setup server server = http.createServer(app); server.listen(app.get('port')); server.keepAliveTimeout = 61 * 1000; server.headersTimeout = 65 * 1000; debug('Server started on port ' + app.get('port') + ' http://localhost:'+app.get('port')); } }); // Mock implementation of any API request // Supports the following parameters in x-sws-res header: // x-sws-res={ code:<response code>, // message:<message to provide in response>, // delay:<delay to respond>, // payloadsize:<size of payload JSON to generate> // } function mockApiImplementation(req,res,next){ var code = 500; var message = "MOCK API RESPONSE"; var delay = 0; var payloadsize = 0; // get header var hdrSwsRes = req.header('x-sws-res'); Eif(typeof hdrSwsRes !== 'undefined'){ var swsRes = JSON.parse(hdrSwsRes); Eif( 'code' in swsRes ) code = swsRes.code; Eif( 'message' in swsRes ) message = swsRes.message; Eif( 'delay' in swsRes ) delay = swsRes.delay; Eif( 'payloadsize' in swsRes ) payloadsize = swsRes.payloadsize; } if( delay > 0 ){ setTimeout(function(){ mockApiSendResponse(res,code,message,payloadsize); },delay); }else{ mockApiSendResponse(res,code,message,payloadsize); } } function mockApiSendResponse(res,code,message,payloadsize){ if(payloadsize<=0){ res.status(code).send(message); }else{ // generate dummy payload of approximate size var dummyPayload = []; var adjSize = payloadsize-4; Iif(adjSize<=0) adjSize = 1; var str = ''; for(var i=0;i<adjSize;i++) str += 'a'; dummyPayload.push(str); res.status(code).json(dummyPayload); } } module.exports.app = app; |