Configure host, port and number of users

Author: jmarin

cluster/src/test/resources/application.conf

@@ -0,0 +1,9 @@
+hmda {
+  benchmark {
+    host = "localhost"
+    host = ${?HMDA_BENCHMARK_HOST}
+    port = "8080"
+    port = ${?HMDA_BENCHMARK_PORT}
+    nrOfUsers = 500
+  }
+}

cluster/src/test/scala/api/http/load/FilingSimulation.scala renamed to cluster/src/test/scala/api/http/benchmark/FilingSimulation.scala

@@ -1,21 +1,30 @@
-package api.http.load
+package api.http.benchmark
 
+import com.typesafe.config.ConfigFactory
 import io.gatling.core.Predef._
 import io.gatling.http.Predef._
+
 import scala.concurrent.duration._
 import scala.language.postfixOps
 
 class FilingSimulation extends Simulation {
 
+  val config = ConfigFactory.load()
+  val host = config.getString("hmda.benchmark.host")
+  val port = config.getInt("hmda.benchmark.port")
+  val nrOfUsers = config.getInt("hmda.benchmark.nrOfUsers")
+
+  val institutionIds = (1 to nrOfUsers).toList
+
   val httpProtocol = http
-    .baseURL("http://localhost:8080")
+    .baseURL(s"http://$host:$port")
     .acceptHeader("text/html,application/xhtml+xml,application/json;q=0.9,*/*;q=0.8")
     .acceptEncodingHeader("gzip, deflate")
     .acceptLanguageHeader("en-US,en;q=0.5")
     .acceptLanguageHeader("en-US,en;q=0.5")
     .userAgentHeader("Mozilla/5.0 (Macintosh; Intel Mac OS X 10.8; rv:16.0) Gecko/20100101 Firefox/16.0")
     .header("cfpb-hmda-username", "user")
-    .header("cfpb-hmda-institutions", "0,1,2,3,4,5,243179,35057,6999998,6999999,4277")
+    .header("cfpb-hmda-institutions", institutionIds.mkString(","))
 
   val filingScenario = scenario("HMDA Filing")
     .exec(http("GET Institutions")