Updates

LavalinkServer/application.yml.example

@@ -19,3 +19,13 @@ lavalink:
     sentryDsn: ""
     bufferDurationMs: 400
     youtubePlaylistLoadLimit: 600
+
+logging:
+  file:
+    max-history: 30
+    max-size: 1GB
+  path: ./logs/
+
+  level:
+    root: INFO
+    lavalink: INFO

LavalinkServer/build.gradle

@@ -15,8 +15,8 @@ bootJar {
     requiresUnpack '**/jda-nas*.jar' //otherwise we get missing classes exceptions
 }
 
-sourceCompatibility = 9
-targetCompatibility = 9
+sourceCompatibility = 10
+targetCompatibility = 10
 
 bootRun {
     //compiling tests during bootRun increases the likelyhood of catching broken tests locally instead of on the CI

LavalinkServer/docker/Dockerfile

@@ -1,4 +1,4 @@
-FROM openjdk:9-jre-slim
+FROM openjdk:10-jre-slim
 
 WORKDIR /opt/Lavalink
 

LavalinkServer/src/main/java/lavalink/server/Launcher.java

@@ -22,11 +22,6 @@
 
 package lavalink.server;
 
-import ch.qos.logback.classic.LoggerContext;
-import io.sentry.Sentry;
-import io.sentry.SentryClient;
-import io.sentry.logback.SentryAppender;
-import lavalink.server.config.ServerConfig;
 import lavalink.server.io.SocketServer;
 import lavalink.server.util.SimpleLogToSLF4JAdapter;
 import net.dv8tion.jda.utils.SimpleLog;
@@ -37,9 +32,6 @@
 import org.springframework.boot.autoconfigure.SpringBootApplication;
 import org.springframework.context.annotation.ComponentScan;
 
-import java.io.IOException;
-import java.util.Properties;
-
 @SpringBootApplication
 @ComponentScan
 public class Launcher {
@@ -54,7 +46,7 @@ public static void main(String[] args) {
         sa.run(args);
     }
 
-    public Launcher(ServerConfig serverConfig, SocketServer socketServer) {
+    public Launcher(SocketServer socketServer) {
         Runtime.getRuntime().addShutdownHook(new Thread(() -> {
             log.info("Shutdown hook triggered");
             try {
@@ -66,40 +58,5 @@ public Launcher(ServerConfig serverConfig, SocketServer socketServer) {
 
         SimpleLog.LEVEL = SimpleLog.Level.OFF;
         SimpleLog.addListener(new SimpleLogToSLF4JAdapter());
-        initSentry(serverConfig);
-    }
-
-    private void initSentry(ServerConfig serverConfig) {
-        String sentryDsn = serverConfig.getSentryDsn();
-        if (sentryDsn == null || sentryDsn.isEmpty()) {
-            log.info("No sentry dsn found, turning off sentry.");
-            turnOffSentry();
-            return;
-        }
-        SentryClient sentryClient = Sentry.init(sentryDsn);
-        log.info("Set up sentry.");
-
-        // set the git commit hash this was build on as the release
-        Properties gitProps = new Properties();
-        try {
-            gitProps.load(Launcher.class.getClassLoader().getResourceAsStream("git.properties"));
-        } catch (NullPointerException | IOException e) {
-            log.error("Failed to load git repo information", e);
-        }
-
-        String commitHash = gitProps.getProperty("git.commit.id");
-        if (commitHash != null && !commitHash.isEmpty()) {
-            log.info("Setting sentry release to commit hash {}", commitHash);
-            sentryClient.setRelease(commitHash);
-        } else {
-            log.warn("No git commit hash found to set up sentry release");
-        }
-    }
-
-    private void turnOffSentry() {
-        LoggerContext lc = (LoggerContext) LoggerFactory.getILoggerFactory();
-        SentryAppender sentryAppender = (SentryAppender) lc.getLogger(Logger.ROOT_LOGGER_NAME).getAppender("SENTRY");
-        Sentry.close();
-        sentryAppender.stop();
     }
 }

LavalinkServer/src/main/java/lavalink/server/config/SentryConfiguration.java

@@ -0,0 +1,86 @@
+package lavalink.server.config;
+
+import ch.qos.logback.classic.Level;
+import ch.qos.logback.classic.LoggerContext;
+import ch.qos.logback.classic.filter.ThresholdFilter;
+import io.sentry.Sentry;
+import io.sentry.SentryClient;
+import io.sentry.logback.SentryAppender;
+import lavalink.server.Launcher;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.context.annotation.Configuration;
+
+import java.io.IOException;
+import java.util.Properties;
+
+/**
+ * Created by napster on 25.04.18.
+ */
+@Configuration
+public class SentryConfiguration {
+
+    private static final Logger log = LoggerFactory.getLogger(SentryConfiguration.class);
+    private static final String SENTRY_APPENDER_NAME = "SENTRY";
+
+    public SentryConfiguration(ServerConfig serverConfig) {
+        String sentryDsn = serverConfig.getSentryDsn();
+        if (sentryDsn != null && !sentryDsn.isEmpty()) {
+            turnOn(sentryDsn);
+        } else {
+            turnOff();
+        }
+    }
+
+
+    public void turnOn(String dsn) {
+        log.info("Turning on sentry");
+        SentryClient sentryClient = Sentry.init(dsn);
+
+        // set the git commit hash this was build on as the release
+        Properties gitProps = new Properties();
+        try {
+            gitProps.load(Launcher.class.getClassLoader().getResourceAsStream("git.properties"));
+        } catch (NullPointerException | IOException e) {
+            log.error("Failed to load git repo information", e);
+        }
+
+        String commitHash = gitProps.getProperty("git.commit.id");
+        if (commitHash != null && !commitHash.isEmpty()) {
+            log.info("Setting sentry release to commit hash {}", commitHash);
+            sentryClient.setRelease(commitHash);
+        } else {
+            log.warn("No git commit hash found to set up sentry release");
+        }
+
+        getSentryLogbackAppender().start();
+    }
+
+    public void turnOff() {
+        log.warn("Turning off sentry");
+        Sentry.close();
+        getSentryLogbackAppender().stop();
+    }
+
+    //programmatically creates a sentry appender
+    private static synchronized SentryAppender getSentryLogbackAppender() {
+        LoggerContext loggerContext = (LoggerContext) LoggerFactory.getILoggerFactory();
+        ch.qos.logback.classic.Logger root = loggerContext.getLogger(Logger.ROOT_LOGGER_NAME);
+
+        SentryAppender sentryAppender = (SentryAppender) root.getAppender(SENTRY_APPENDER_NAME);
+        if (sentryAppender == null) {
+            sentryAppender = new SentryAppender();
+            sentryAppender.setName(SENTRY_APPENDER_NAME);
+
+            ThresholdFilter warningsOrAboveFilter = new ThresholdFilter();
+            warningsOrAboveFilter.setLevel(Level.WARN.levelStr);
+            warningsOrAboveFilter.start();
+            sentryAppender.addFilter(warningsOrAboveFilter);
+
+            sentryAppender.setContext(loggerContext);
+            root.addAppender(sentryAppender);
+        }
+        return sentryAppender;
+    }
+
+}

build.gradle

@@ -67,9 +67,8 @@ ext {
     moduleName = 'Lavalink-Parent'
 }
 
-import org.gradle.api.tasks.wrapper.Wrapper.DistributionType
-
 task wrapper(type: Wrapper) {
-    gradleVersion = '4.6'
-    distributionType = DistributionType.ALL
+    gradleVersion = '4.7'
+    //noinspection UnnecessaryQualifiedReference
+    distributionType = Wrapper.DistributionType.ALL
 }

gradle/wrapper/gradle-wrapper.properties

@@ -1,5 +1,5 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.6-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.7-all.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists