From a2a4ab887d8dce799183185354ad6d8f26e4f7fe Mon Sep 17 00:00:00 2001
From: evazion <noizave@gmail.com>
Date: Sun, 26 Sep 2021 23:14:14 -0500
Subject: [PATCH] newrelic: insert browser timing header manually.

Insert the <script> tag that monitors browser timing into the <head>
manually. This is to avoid this error:

    Skipping RUM instrumentation. Unable to find <body> tag in first 50000 bytes of document.

See also https://docs.newrelic.com/docs/agents/ruby-agent/features/new-relic-browser-ruby-agent/#manual_instrumentation
---
 app/views/layouts/blank.html.erb   | 1 +
 app/views/layouts/default.html.erb | 1 +
 config/initializers/00_newrelic.rb | 1 +
 3 files changed, 3 insertions(+)
diff --git a/app/views/layouts/blank.html.erb b/app/views/layouts/blank.html.erb
index 228dd0855..493cbffdc 100644
--- a/app/views/layouts/blank.html.erb
+++ b/app/views/layouts/blank.html.erb
@@ -1,6 +1,7 @@
 <!doctype html>
 <html lang="en">
 <head>
+  <%= NewRelic::Agent.browser_timing_header rescue "" %>
   <meta charset="utf-8">
   <title><%= page_title %></title>
   <link rel="shortcut icon" href="/favicon.ico" type="image/x-icon">
diff --git a/app/views/layouts/default.html.erb b/app/views/layouts/default.html.erb
index 41b3251e0..602c22fb5 100644
--- a/app/views/layouts/default.html.erb
+++ b/app/views/layouts/default.html.erb
@@ -1,6 +1,7 @@
 <!doctype html>
 <html lang="en">
 <head>
+  <%= NewRelic::Agent.browser_timing_header rescue "" %>
   <meta charset="utf-8">
   <title><%= page_title %></title>
 
diff --git a/config/initializers/00_newrelic.rb b/config/initializers/00_newrelic.rb
index 3d79fd91e..167921a64 100644
--- a/config/initializers/00_newrelic.rb
+++ b/config/initializers/00_newrelic.rb
@@ -9,6 +9,7 @@ if Danbooru.config.new_relic_license_key.present?
     log_level: Danbooru.config.debug_mode ? "debug" : "error",
     #log: Rails.logger,
     "rake.tasks": ["maintenance:.*"],
+    "browser_monitoring.auto_instrument": false,
     config: Rails.application.config,
   )
 end
