Log service discovery host list updates

bbb9df1b · Simon Tomlinson · 1414d99d · bbb9df1b
Commit bbb9df1b authored Aug 16, 2021 by Simon Tomlinson
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lib/gitlab/database/load_balancing/host_list.rb lib/gitlab/database/load_balancing/host_list.rb +6 -0

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--- a/lib/gitlab/database/load_balancing/host_list.rb
+++ b/lib/gitlab/database/load_balancing/host_list.rb
@@ -35,6 +35,12 @@ module Gitlab

        def hosts=(hosts)
          @mutex.synchronize do
+            ::Gitlab::Database::LoadBalancing::Logger.info(
+              event: :host_list_update,
+              message: "Updating the host list for service discovery",
+              host_list_length: hosts.length,
+              old_host_list_length: @hosts.length
+            )
            @hosts = hosts
            unsafe_shuffle
          end