Add default analytics uri (#5607)

* [WIP] add default analytics uri

* Enter relayer URI to default config

* Changelog

CHANGELOG.unreleased.md

@@ -17,6 +17,7 @@ For upgrade instructions, please check the [migration guide](MIGRATIONS.released
   - one for the skeleton mode (similar to the existing move tool).
   - one for erasing volume data (similar to right-dragging with the previous brush/trace tool)
 - Added colored icons to the status entries in the job list. [#5572](https://github.com/scalableminds/webknossos/pull/5594)
+- Back-end side analytics are now sent to events-relay.webknossos.org by default. You can opt out by setting `backendAnalytics.uri` to empty in your config. [5607](https://github.com/scalableminds/webknossos/pull/5607)
 
 ### Changed
 - Improve error logging for unhandled rejections. [#5575](https://github.com/scalableminds/webknossos/pull/5575)

app/models/analytics/AnalyticsService.scala

@@ -32,9 +32,9 @@ class AnalyticsService @Inject()(rpc: RPC,
   }
 
   private def send(analyticsEventJson: JsObject): Fox[Unit] = {
-    if (wkConf.BackendAnalytics.uri == "" || wkConf.BackendAnalytics.key == "") {
+    if (wkConf.BackendAnalytics.uri == "") {
       if (wkConf.BackendAnalytics.verboseLoggingEnabled) {
-        logger.info(s"Not sending analytics event, since uri/key is not configured. Event was: $analyticsEventJson")
+        logger.info(s"Not sending analytics event, since uri is not configured. Event was: $analyticsEventJson")
       }
     } else {
       if (wkConf.BackendAnalytics.verboseLoggingEnabled) {

conf/application.conf

@@ -244,7 +244,8 @@ slackNotifications {
 
 # Back-end analytics
 backendAnalytics {
-  uri = ""
+  uri = "https://events-relay.webknossos.org/events"
+  uri = ${?DEV_WK_ANALYTICS_URI}
   key = ""
   sessionPause = 30 minutes
   verboseLoggingEnabled = false