Allow overriding of node package only on HeadNode during an Update (aws#2890)

Co-authored-by: Himani Anil Deshpande <[email protected]>

Author: himani2411

CHANGELOG.md

@@ -31,7 +31,7 @@ This file is used to list changes made in each version of the AWS ParallelCluste
 
 **BUG FIXES**
 - Remove usage of cfn-init for compute node bootstrapping to reduce node scale up time.
-
+- Fix the execution of overriding aws-parallelcluster-node package only on the head node during update.
 
 3.12.0
 ------

cookbooks/aws-parallelcluster-computefleet/recipes/config/update_parallelcluster_node.rb

@@ -17,6 +17,8 @@
 
 # REMINDER: the update recipe runs only on the head node and the only supervisord daemon provided by the
 # aws-parallelcluster-node package on the head node is clustermgtd. Therefore, only this daemon is restarted.
+return unless node['cluster']['node_type'] == 'HeadNode'
+
 execute 'stop clustermgtd' do
   command "#{cookbook_virtualenv_path}/bin/supervisorctl stop clustermgtd"
 end