Add custom sentry tags (#103)

LavalinkServer/application.yml.example

@@ -16,10 +16,15 @@ lavalink:
       mixer: true
       http: true
       local: false
-    sentryDsn: ""
     bufferDurationMs: 400
     youtubePlaylistLoadLimit: 600
 
+sentry:
+  dsn: ""
+#  tags:
+#    some_key: some_value
+#    another_key: another_value
+
 logging:
   file:
     max-history: 30

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

@@ -0,0 +1,34 @@
+package lavalink.server.config;
+
+import org.springframework.boot.context.properties.ConfigurationProperties;
+import org.springframework.stereotype.Component;
+
+import java.util.HashMap;
+import java.util.Map;
+
+/**
+ * Created by napster on 20.05.18.
+ */
+@Component
+@ConfigurationProperties(prefix = "sentry")
+public class SentryConfigProperties {
+
+    private String dsn = "";
+    private Map<String, String> tags = new HashMap<>();
+
+    public String getDsn() {
+        return dsn;
+    }
+
+    public void setDsn(String dsn) {
+        this.dsn = dsn;
+    }
+
+    public Map<String, String> getTags() {
+        return tags;
+    }
+
+    public void setTags(Map<String, String> tags) {
+        this.tags = tags;
+    }
+}

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

@@ -12,6 +12,7 @@
 import org.springframework.context.annotation.Configuration;
 
 import java.io.IOException;
+import java.util.Map;
 import java.util.Properties;
 
 /**
@@ -23,20 +24,36 @@ 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);
+    public SentryConfiguration(ServerConfig serverConfig, SentryConfigProperties sentryConfig) {
+
+        String dsn = sentryConfig.getDsn();
+        boolean warnDeprecatedDsnConfig = false;
+        if (dsn == null || dsn.isEmpty()) {
+            //try deprecated config location
+            dsn = serverConfig.getSentryDsn();
+            warnDeprecatedDsnConfig = true;
+        }
+
+        if (dsn != null && !dsn.isEmpty()) {
+            turnOn(dsn, sentryConfig.getTags());
+            if (warnDeprecatedDsnConfig) {
+                log.warn("Please update the location of the sentry dsn in lavalinks config file / your environment "
+                        + "vars, it is now located under 'sentry.dsn' instead of 'lavalink.server.sentryDsn'.");
+            }
         } else {
             turnOff();
         }
     }
 
 
-    public void turnOn(String dsn) {
+    public void turnOn(String dsn, Map<String, String> tags) {
         log.info("Turning on sentry");
         SentryClient sentryClient = Sentry.init(dsn);
 
+        if (tags != null) {
+            tags.forEach(sentryClient::addTag);
+        }
+
         // set the git commit hash this was build on as the release
         Properties gitProps = new Properties();
         try {

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

@@ -43,6 +43,10 @@ public void setPassword(String password) {
 
     private String sentryDsn = "";
 
+    /**
+     * @deprecated use {@link SentryConfigProperties} instead.
+     */
+    @Deprecated(since = "3")
     public String getSentryDsn() {
         return sentryDsn;
     }