From fe51353e225b560072c8523b2d877aecd80d9e71 Mon Sep 17 00:00:00 2001
From: rahulpa <rahulpa@google.com>
Date: Thu, 3 Jan 2019 10:45:45 -0800
Subject: [PATCH] Remove prometheus.

---
 src/adservice/build.gradle                      |  3 ---
 .../src/main/java/hipstershop/AdService.java    | 17 -----------------
 2 files changed, 20 deletions(-)

diff --git a/src/adservice/build.gradle b/src/adservice/build.gradle
index 690018e..7450826 100644
--- a/src/adservice/build.gradle
+++ b/src/adservice/build.gradle
@@ -28,7 +28,6 @@ version = "0.1.0-SNAPSHOT" // CURRENT_OPENCENSUS_VERSION
 def opencensusVersion = "0.17.0" // LATEST_OPENCENSUS_RELEASE_VERSION
 def grpcVersion = "1.15.0" // CURRENT_GRPC_VERSION
 def jacksonVersion = "2.9.6"
-def prometheusVersion = "0.3.0"
 
 tasks.withType(JavaCompile) {
     sourceCompatibility = '1.8'
@@ -46,7 +45,6 @@ dependencies {
     } else {
         compile "com.google.api.grpc:proto-google-common-protos:1.11.0",
                 "io.opencensus:opencensus-exporter-trace-jaeger:${opencensusVersion}",
-                "io.opencensus:opencensus-exporter-stats-prometheus:${opencensusVersion}",
                 "io.opencensus:opencensus-exporter-stats-stackdriver:${opencensusVersion}",
                 "io.opencensus:opencensus-exporter-trace-stackdriver:${opencensusVersion}",
                 "io.opencensus:opencensus-exporter-trace-logging:${opencensusVersion}",
@@ -54,7 +52,6 @@ dependencies {
                 "io.grpc:grpc-stub:${grpcVersion}",
                 "io.grpc:grpc-netty:${grpcVersion}",
                 "io.grpc:grpc-services:${grpcVersion}",
-                "io.prometheus:simpleclient_httpserver:${prometheusVersion}",
                 "org.apache.logging.log4j:log4j-core:2.11.1"
 
         runtime "com.fasterxml.jackson.core:jackson-core:${jacksonVersion}",
diff --git a/src/adservice/src/main/java/hipstershop/AdService.java b/src/adservice/src/main/java/hipstershop/AdService.java
index 74cda60..b5d21a6 100644
--- a/src/adservice/src/main/java/hipstershop/AdService.java
+++ b/src/adservice/src/main/java/hipstershop/AdService.java
@@ -31,7 +31,6 @@ import io.grpc.services.*;
 import io.opencensus.common.Duration;
 import io.opencensus.common.Scope;
 import io.opencensus.contrib.grpc.metrics.RpcViews;
-import io.opencensus.exporter.stats.prometheus.PrometheusStatsCollector;
 import io.opencensus.exporter.trace.jaeger.JaegerTraceExporter;
 import io.opencensus.exporter.trace.logging.LoggingTraceExporter;
 import io.opencensus.exporter.stats.stackdriver.StackdriverStatsConfiguration;
@@ -44,11 +43,9 @@ import io.opencensus.trace.SpanBuilder;
 import io.opencensus.trace.Tracer;
 import io.opencensus.trace.Tracing;
 import io.opencensus.trace.samplers.Samplers;
-import io.prometheus.client.exporter.HTTPServer;
 import java.io.IOException;
 import java.util.Collection;
 import java.util.ArrayList;
-import java.util.HashMap;
 import java.util.List;
 import java.util.Random;
 import java.util.concurrent.TimeUnit;
@@ -251,17 +248,6 @@ public class AdService {
     }
   }
 
-  static void initPrometheus() throws IOException {
-    boolean enabled = Boolean.parseBoolean(System.getenv("PROMETHEUS_ENABLED"));
-    if (enabled) {
-      PrometheusStatsCollector.createAndRegister();
-      HTTPServer prometheusServer = new HTTPServer(9090, true);
-      logger.info("Prometheus initialization complete.");
-    } else {
-      logger.info("Prometheus initialization disabled.");
-    }
-  }
-
   /** Main launches the server from the command line. */
   public static void main(String[] args) throws IOException, InterruptedException {
     // Add final keyword to pass checkStyle.
@@ -278,9 +264,6 @@ public class AdService {
       }
     }).start();
 
-    // Register Prometheus exporters and export metrics to a Prometheus HTTPServer.
-    initPrometheus();
-
     // Register Jaeger
     initJaeger();