Merge pull request #47 from E-Edu/issue/44

Implemented InfluxDB metrics

build.gradle

@@ -38,13 +38,21 @@ dependencies {
   implementation ('io.sentry:sentry-log4j2:1.7.30') {
     exclude group: "org.apache.logging.log4j"
   }
+  compile 'io.micrometer:micrometer-core:1.4.0'
+  compile 'io.micrometer:micrometer-registry-influx:1.4.0'
 
   /* GraphQL */
   implementation 'com.graphql-java-kickstart:graphql-spring-boot-starter:7.0.0'
   implementation 'com.graphql-java:graphql-java-tools:5.2.4'
   compile group: 'com.graphql-java-kickstart', name: 'playground-spring-boot-starter', version: '7.0.0'
+  compile 'com.careykevin:graphql-actuator:0.0.3'
 
   /* Spring */
+  implementation (group: 'org.springframework.boot', name: 'spring-boot-starter-actuator', version: '2.2.6.RELEASE') {
+    exclude group: "commons-logging", module: "commons-logging"
+    exclude module: "spring-boot-starter-logging"
+  }
+
   implementation ('org.springframework.boot:spring-boot-starter') {
     exclude group: "commons-logging", module: "commons-logging"
     exclude module: "spring-boot-starter-logging"

docker-compose.yml

@@ -1,8 +1,21 @@
-# Please fill out with content
-
 version: '3.6'
 
 services:
+  influxdb:
+    image: influxdb:latest
+    ports:
+      - "8086:8086"
+
+  gateway_grafana:
+    image: grafana/grafana:latest
+    ports:
+      - "3000:3000"
+    user: "0"
+    links:
+      - influxdb
+    volumes:
+      - /srv/docker/grafana/data:/var/lib/grafana
+
   gateway:
     image: eedu/gateway
     container_name: eedu-gateway
@@ -13,3 +26,8 @@ services:
       SERVICE_SECRET: SECRET
       PRODUCTIVE: "false"
       SENTRY_ENABLED: "${SENTRY_ENABLED}"
+      INFLUX_URI: "http://influxdb:8086"
+      INFLUX_USERNAME: 0
+      INFLUX_PASSWORD: ""
+      INFLUX_DB: "gateway"
+      INFLUX_STEP: "1m"

src/main/java/de/themorpheus/edu/gateway/GatewayApplication.java

@@ -1,6 +1,7 @@
 package de.themorpheus.edu.gateway;
 
 import de.themorpheus.edu.gateway.util.GitInfo;
+import com.careykevin.graphql.actuator.instrumentation.EnableGraphQLActuator;
 import com.jcabi.manifests.Manifests;
 import io.sentry.Sentry;
 import io.sentry.SentryClient;
@@ -13,6 +14,7 @@
 import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;
 import java.io.IOException;
 
+@EnableGraphQLActuator
 @SpringBootApplication
 public class GatewayApplication {
 

src/main/resources/application.properties

@@ -1,3 +1,9 @@
 security.basic.enable=false
 server.port=80
 graphql.playground.settings.request.credentials=Same-Origin
+management.metrics.export.influx.db=${INFLUX_DB}
+management.metrics.export.influx.username=${INFLUX_USERNAME}
+management.metrics.export.influx.password=${INFLUX_PASSWORD}
+management.metrics.export.influx.step=${INFLUX_STEP}
+management.metrics.export.influx.uri=${INFLUX_URI}
+management.metrics.web.server.auto-time-request=true

src/main/resources/log4j2.xml

@@ -38,6 +38,8 @@
 		<Logger name="com.jcabi.manifests" level="warn"/>
 		<Logger name="io.sentry" level="warn"/>
 		<Logger name="graphql.execution" level="warn"/>
+		<Logger name="graphql.GraphQL" level="warn"/>
 		<Logger name="notprivacysafe.graphql" level="warn"/>
+		<Logger name="io.micrometer.influx" level="warn"/>
 	</Loggers>
 </Configuration>