Configure systemd timer to check for perf deg

(cherry picked from commit 66b696d)

Author: hgreebe

cookbooks/aws-parallelcluster-computefleet/files/check_update/check-update.service

@@ -0,0 +1,9 @@
+[Unit]
+Description=Check for recent file modifications
+
+[Service]
+Type=oneshot
+ExecStart=/bin/bash -c 'echo "check-update.service executed at $(date)"'
+
+[Install]
+WantedBy=multi-user.target

cookbooks/aws-parallelcluster-computefleet/files/check_update/check-update.timer

@@ -0,0 +1,10 @@
+[Unit]
+Description=Check file modification time every minute
+
+[Timer]
+OnBootSec=1min
+OnUnitActiveSec=60sec
+Unit=check-update.service
+
+[Install]
+WantedBy=timers.target

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

@@ -12,3 +12,7 @@
 # limitations under the License.
 
 include_recipe 'aws-parallelcluster-computefleet::fleet_status'
+
+if node['cluster']['node_type'] == 'ComputeFleet'
+  include_recipe 'aws-parallelcluster-computefleet::config_check_update_systemd_service'
+end

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

@@ -0,0 +1,36 @@
+# frozen_string_literal: true
+
+#
+# Cookbook:: aws-parallelcluster-slurm
+# Recipe:: config_compute
+#
+# Copyright:: 2013-2021 Amazon.com, Inc. or its affiliates. All Rights Reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License"). You may not use this file except in compliance with the
+# License. A copy of the License is located at
+#
+# http://aws.amazon.com/apache2.0/
+#
+# or in the "LICENSE.txt" file accompanying this file. This file is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES
+# OR CONDITIONS OF ANY KIND, express or implied. See the License for the specific language governing permissions and
+# limitations under the License.
+
+cookbook_file '/etc/systemd/system/check-update.service' do
+  source 'check_update/check-update.service'
+  owner 'root'
+  group 'root'
+  mode '0644'
+  action :create
+end
+
+cookbook_file '/etc/systemd/system/check-update.timer' do
+  source 'check_update/check-update.timer'
+  owner 'root'
+  group 'root'
+  mode '0644'
+  action :create
+end
+
+service 'check-update.timer' do
+  action [:enable, :start]
+end