Merge pull request #1437 from buildkite/feat_override_agent_endpoint_…

…for_scaler

Upgrade the agent scaler which introduces a new agent endpoint param

templates/aws-stack.yml

@@ -200,7 +200,9 @@ Parameters:
   BuildkiteAgentScalerVersion:
     Description: Version of the buildkite-agent-scaler to use
     Type: String
-    Default: "1.8.0"
+    AllowedPattern: '^(?:(?:[2-9]|[1-9]\d+)\.\d+\.\d+|1\.(?:[1-9]\d+\.\d+|9\.[1-9]\d*))$'
+    ConstraintDescription: "The agent scaler release must be greater than 1.9.0 as a new parameter was introduced in 1.9.1"
+    Default: "1.9.1"
 
   LogRetentionDays:
     Type: Number
@@ -1616,6 +1618,7 @@ Resources:
         BuildkiteAgentTokenParameter: !If [ UseCustomerManagedParameterPath, !Ref BuildkiteAgentTokenParameterStorePath, !Ref BuildkiteAgentTokenParameter ]
         BuildkiteAgentTokenParameterStoreKMSKey: !If [ UseCustomerManagedKeyForParameterStore, !Ref BuildkiteAgentTokenParameterStoreKMSKey, "" ]
         RolePermissionsBoundaryARN: !If [ SetInstanceRolePermissionsBoundaryARN, !Ref InstanceRolePermissionsBoundaryARN, "" ]
+        AgentEndpoint: !Ref AgentEndpoint
         BuildkiteQueue: !Ref BuildkiteQueue
         AgentsPerInstance: !Ref AgentsPerInstance
         MinSize: !Ref MinSize