Press n or j to go to the next uncovered block, b, p or k for the previous block.
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 | 1x 1x 1x 1x 1x 1x 1x 2x 2x 2x 2x 1x | /** * Created by sv2 on 2/18/17. * API usage statistics data */ 'use strict'; const util = require('util'); const debug = require('debug')('sws:corestats'); const promClient = require("prom-client"); const swsSettings = require('./swssettings'); const swsMetrics = require('./swsmetrics'); const swsUtil = require('./swsUtil'); const SwsReqResStats = require('./swsReqResStats'); /* swagger=stats Prometheus metrics */ class SwsCoreStats { constructor(){ // Statistics for all requests this.all = null; // Statistics for requests by method // Initialized with most frequent ones, other methods will be added on demand if actually used this.method = null; // Additional prefix for prometheus metrics. Used if this coreStats instance // plays special role, i.e. count stats for egress this.metricsRolePrefix = ''; // Prometheus metrics this.promClientMetrics = {}; } // Initialize initialize(metricsRolePrefix) { this.metricsRolePrefix = metricsRolePrefix || ''; // Statistics for all requests this.all = new SwsReqResStats(swsSettings.apdexThreshold); // Statistics for requests by method // Initialized with most frequent ones, other methods will be added on demand if actually used this.method = { 'GET': new SwsReqResStats(swsSettings.apdexThreshold), 'POST': new SwsReqResStats(swsSettings.apdexThreshold), 'PUT': new SwsReqResStats(swsSettings.apdexThreshold), 'DELETE': new SwsReqResStats(swsSettings.apdexThreshold) }; // metrics swsMetrics.clearPrometheusMetrics(this.promClientMetrics); let prefix = swsSettings.metricsPrefix + this.metricsRolePrefix; this.promClientMetrics = swsMetrics.getPrometheusMetrics(prefix,swsMetrics.coreMetricsDefs); }; getStats() { return this.all; }; getMethodStats() { return this.method; }; // Update timeline and stats per tick tick(ts,totalElapsedSec) { // Rates this.all.updateRates(totalElapsedSec); for( let mname of Object.keys(this.method)) { this.method[mname].updateRates(totalElapsedSec); } }; // Count request countRequest(req) { // Count in all this.all.countRequest(req.sws.req_clength); // Count by method var method = req.method; if (!(method in this.method)) { this.method[method] = new SwsReqResStats(); } this.method[method].countRequest(req.sws.req_clength); // Update prom-client metrics this.promClientMetrics.api_all_request_total.inc(); this.promClientMetrics.api_all_request_in_processing_total.inc(); req.sws.inflightTimer = setTimeout(function() { this.promClientMetrics.api_all_request_in_processing_total.dec(); }.bind(this), 250000); }; countResponse (res) { var req = res._swsReq; // Defaults let duration = req.sws.duration || 0; let resContentLength = req.sws.res_clength || 0; // let timelineid = req.sws.timelineid || 0; // let path = req.sws.api_path || req.sws.originalUrl || req.originalUrl; /* if("sws" in req) { startts = req.sws.startts; timelineid = req.sws.timelineid; var endts = Date.now(); req['sws'].endts = endts; duration = endts - startts; req['sws'].duration = duration; req['sws'].res_clength = resContentLength; path = req['sws'].api_path; clearTimeout(req.sws.inflightTimer); } */ // Determine status code type var codeclass = swsUtil.getStatusCodeClass(res.statusCode); // update counts for all requests this.all.countResponse(res.statusCode,codeclass,duration,resContentLength); // Update method-specific stats var method = req.method; if (method in this.method) { var mstat = this.method[method]; mstat.countResponse(res.statusCode,codeclass,duration,resContentLength); } // Update Prometheus metrics switch(codeclass){ case "success": this.promClientMetrics.api_all_success_total.inc(); break; case "redirect": // NOOP // break; case "client_error": this.promClientMetrics.api_all_errors_total.inc(); this.promClientMetrics.api_all_client_error_total.inc(); break; case "server_error": this.promClientMetrics.api_all_errors_total.inc(); this.promClientMetrics.api_all_server_error_total.inc(); break; } this.promClientMetrics.api_all_request_in_processing_total.dec(); }; } module.exports = SwsCoreStats; |