Update CHANGELOG

Author: hgreebe

CHANGELOG.md

@@ -6,6 +6,9 @@ This file is used to list changes made in each version of the AWS ParallelCluste
 3.15.0
 ------
 
+**CHANGES**
+- Replace cfn-hup in compute nodes with systemd timers to support in place updates.
+
 3.14.1
 ------
 

cookbooks/aws-parallelcluster-environment/resources/cfn_hup_configuration.rb

@@ -68,8 +68,7 @@
       cfn_init_role: instance_role_name,
       # ComputeFleet specific variables
       update_hook_script_dir: node['cluster']['scripts_dir'],
-      node_bootstrap_timeout: node['cluster']['compute_node_bootstrap_timeout'] || node['cluster']['Timeout'],
-      update_dir: node['cluster']['shared_update_path']
+      node_bootstrap_timeout: node['cluster']['compute_node_bootstrap_timeout'] || node['cluster']['Timeout']
     )
   end
 end

cookbooks/aws-parallelcluster-environment/spec/unit/resources/cfn_hup_configuration_spec.rb

@@ -84,6 +84,7 @@ def self.configure(chef_run)
                 launch_template_resource_id: LAUNCH_TEMPLATE_ID,
                 update_hook_script_dir: SCRIPT_DIR,
                 node_bootstrap_timeout: NODE_BOOTSTRAP_TIMEOUT,
+                update_dir: "#{MONITOR_SHARED_DIR}/check_update",
              })
           end
 

cookbooks/aws-parallelcluster-slurm/libraries/helpers.rb

@@ -173,7 +173,7 @@ def wait_cluster_ready
               " --config-version #{node['cluster']['cluster_config_version']}" \
               " --region #{node['cluster']['region']}"
     timeout 30
-    retries 20
+    retries 10
     retry_delay 90
   end
 end