Fix self hosted variable

Author: jaredfholgate

alz/azuredevops/pipelines/terraform/templates/cd.yaml

@@ -8,6 +8,8 @@ stages:
     displayName: Plan
     variables:
       - group: ${variable_group_name}
+      - name: 'selfHostedAgent'
+        value: '${self_hosted_agent}'
     jobs:
       - deployment: plan
         displayName: Plan with Terraform
@@ -60,6 +62,8 @@ stages:
     dependsOn: plan
     variables:
       - group: ${variable_group_name}
+      - name: 'selfHostedAgent'
+        value: '${self_hosted_agent}'
     jobs:
       - deployment: apply
         displayName: Apply with Terraform

alz/azuredevops/pipelines/terraform/templates/ci.yaml

@@ -4,6 +4,8 @@ stages:
     displayName: Validation Terraform
     variables:
       - group: ${variable_group_name}
+      - name: 'selfHostedAgent'
+        value: '${self_hosted_agent}'
     jobs:
       - job: validate
         displayName: Validate Terraform

alz/azuredevops/pipelines/terraform/templates/helpers/terraform-block-msi-endpoint.yaml

@@ -1,8 +1,4 @@
 ---
-variables:
-  - name: 'selfHostedAgent'
-    value: '${self_hosted_agent}'
-
 steps:
   # This hack allows MSI to be tried for authentication. As setting the CLIENT_ID causes AzAPI to check MSI auth prior to CLI auth and it fails on Microsoft Hosted agents.
   # This only works on Linux based runners