Merge pull request #185231 from moduon/k3s-ha

nixos/k3s: streamline HA setup

nixos/doc/manual/from_md/release-notes/rl-2211.section.xml

@@ -436,6 +436,12 @@
           due to upstream dropping support.
         </para>
       </listitem>
+      <listitem>
+        <para>
+          <literal>k3s</literal> supports <literal>clusterInit</literal>
+          option, and it is enabled by default, for servers.
+        </para>
+      </listitem>
     </itemizedlist>
   </section>
   <section xml:id="sec-release-22.11-notable-changes">

nixos/doc/manual/release-notes/rl-2211.section.md

@@ -152,6 +152,8 @@ Use `configure.packages` instead.
 
 - `k3s` no longer supports docker as runtime due to upstream dropping support.
 
+- `k3s` supports `clusterInit` option, and it is enabled by default, for servers.
+
 <!-- To avoid merge conflicts, consider adding your item at an arbitrary place in the list instead. -->
 
 ## Other Notable Changes {#sec-release-22.11-notable-changes}