fix(proxy): add http/https env var supports

Author: gergelyke

lib/agent/api/index.js

@@ -101,7 +101,7 @@ CollectorApi.prototype._send = function (destinationUrl, data, callback) {
   debug('sending data to trace servers: ', destinationUrl, payload)
 
   req.on('error', function (error) {
-    console.error('error: [trace]', 'There was an error connecting to the Trace servers. Make sure your servers can reach', opts.hostname)
+    console.error('error: [trace]', 'There was an error connecting to the Trace servers when sending data. Make sure your servers can reach', opts.hostname)
     debug('error connecting to the Trace servers', error)
     callback(error)
   })
@@ -274,6 +274,7 @@ CollectorApi.prototype.getService = function (cb) {
     hostname: opts.hostname,
     port: opts.port,
     path: opts.path,
+    agent: this.proxyAgent,
     method: 'POST',
     headers: {
       'Authorization': 'Bearer ' + this.apiKey,
@@ -321,7 +322,7 @@ CollectorApi.prototype.getService = function (cb) {
   debug('getting serviceKey with payload:', payload)
 
   req.on('error', function (error) {
-    console.error('error: [trace]', 'There was an error connecting to the Trace servers. Make sure your servers can reach', opts.hostname)
+    console.error('error: [trace]', 'There was an error connecting to the Trace servers to get the service key. Make sure your servers can reach', opts.hostname)
     debug('error connecting to the Trace servers', error)
   })
   req.write(payload)

lib/agent/api/index.spec.js

@@ -84,6 +84,17 @@ describe('The Trace CollectorApi module', function () {
     expect(collectorApi.proxyAgent).to.be.ok
   })
 
+  it('can use a proxy to get the service key', function () {
+    var httpsRequestSpy = this.sandbox.spy(https, 'request')
+    defaultConfig.proxy = 'http://127.0.0.1'
+
+    var collectorApi = CollectorApi.create(defaultConfig)
+
+    collectorApi.getService()
+    expect(httpsRequestSpy.firstCall.args[0].agent).to.eql(collectorApi.proxyAgent)
+    expect(collectorApi.proxyAgent).to.be.ok
+  })
+
   it('sends rpm metrics to the collector server', function () {
     var serviceKey = 12
 

lib/utils/configReader.js

@@ -63,7 +63,7 @@ ConfigReader.prototype._getEnvVarConfig = function () {
     disableInstrumentations: process.env.TRACE_DISABLE_INSTRUMENTATIONS
       ? process.env.TRACE_DISABLE_INSTRUMENTATIONS.split(',')
       : undefined,
-    proxy: process.env.TRACE_PROXY || process.env.HTTP_PROXY
+    proxy: process.env.TRACE_PROXY || process.env.HTTPS_PROXY || process.env.https_proxy || process.env.HTTP_PROXY
   }
 
   var ignoreHeaders