From ab056209eabd688392a70eeea00572065add1e9d Mon Sep 17 00:00:00 2001
From: mf-lit <9348839+mf-lit@users.noreply.github.com>
Date: Fri, 21 Apr 2023 11:05:35 +0100
Subject: [PATCH] Parameterise ASG Termination Policies

---
 templates/aws-stack.yml | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/templates/aws-stack.yml b/templates/aws-stack.yml
index 438b05a7f..eb5e5b3fc 100644
--- a/templates/aws-stack.yml
+++ b/templates/aws-stack.yml
@@ -97,6 +97,7 @@ Metadata:
         - ScaleInIdlePeriod
         - ScaleOutForWaitingJobs
         - InstanceCreationTimeout
+        - TerminationPolicies
 
       - Label:
           default: Cost Allocation Configuration
@@ -332,6 +333,11 @@ Parameters:
     Type: String
     Default: ""
 
+  TerminationPolicies:
+    Description: Optional - Autoscaling Group termination policies
+    Type: CommaDelimitedList
+    Default: "OldestLaunchConfiguration,ClosestToNextInstanceHour"
+
   RootVolumeSize:
     Description: Size of each instance's root EBS volume (in GB)
     Type: Number
@@ -1239,9 +1245,7 @@ Resources:
             - GroupTerminatingInstances
             - GroupPendingInstances
             - GroupDesiredCapacity
-      TerminationPolicies:
-        - OldestLaunchConfiguration
-        - ClosestToNextInstanceHour
+      TerminationPolicies: !Ref TerminationPolicies
       NewInstancesProtectedFromScaleIn: true
     CreationPolicy:
       ResourceSignal: