Added check for STATSD_ADDR setting to emit a warning and proceed rather than crashing if the address is unreachable (#30691)

config/initializers/statsd.rb

@@ -3,6 +3,7 @@
 if ENV['STATSD_ADDR'].present?
   host, port = ENV['STATSD_ADDR'].split(':')
 
+  begin
     statsd = Statsd.new(host, port)
     statsd.namespace = ENV.fetch('STATSD_NAMESPACE') { ['Mastodon', Rails.env].join('.') }
 
@@ -12,4 +13,7 @@ if ENV['STATSD_ADDR'].present?
       informant.collect(:active_support_cache, :cache)
       informant.collect(:sidekiq, :sidekiq) if ENV['STATSD_SIDEKIQ'] == 'true'
     end
+  rescue
+    Rails.logger.warn("statsd address #{ENV['STATSD_ADDR']} not reachable, proceeding without statsd")
+  end
 end