fix what if

Author: jaredfholgate

alz/azuredevops/pipelines/bicep/templates/cd-template.yaml

@@ -54,29 +54,9 @@ stages:
                   parameters:
                     serviceConnection: '${service_connection_name_plan}'
 
-                - task: AzurePowerShell@5
-                  displayName: 'Check for First Deployment'
-                  inputs:
-                    azureSubscription: '${service_connection_name_plan}'
-                    pwsh: true
-                    azurePowerShellVersion: LatestVersion
-                    ScriptType: "InlineScript"
-                    Inline: |
-                      $intRootMgId = "$(INTERMEDIATE_ROOT_MANAGEMENT_GROUP_ID)"
-
-                      $managementGroups = Get-AzManagementGroup
-                      $intRootMg = $managementGroups | Where-Object { $_.Name -eq $intRootMgId }
-
-                      $firstDeployment = $true
-
-                      if($intRootMg -eq $null) {
-                        Write-Warning "Cannot find the $intRootMgId Management Group, so assuming this is the first deployment. We must skip what-if for some deployments since their dependent resources do not exist yet."
-                      } else {
-                        Write-Host "Found the $intRootMgId Management Group, so assuming this is not the first deployment."
-                        $firstDeployment = $false
-                      }
-
-                      Write-Host "##vso[task.setvariable variable=FIRST_DEPLOYMENT;]$firstDeployment"
+                - template: ./helpers/bicep-first-deployment-check.yaml
+                  parameters:
+                    serviceConnection: '${service_connection_name_plan}'
 
 %{ for script_file in script_files ~}
                 - $${{ if eq(parameters['${script_file.name}'], true) }}:
@@ -131,34 +111,14 @@ stages:
                   parameters:
                     parametersFileName: $(PARAMETERS_FILE_NAME)
 
-                - task: AzurePowerShell@5
-                  displayName: 'Check for First Deployment'
-                  inputs:
-                    azureSubscription: '${service_connection_name_apply}'
-                    pwsh: true
-                    azurePowerShellVersion: LatestVersion
-                    ScriptType: "InlineScript"
-                    Inline: |
-                      $intRootMgId = "$(MANAGEMENT_GROUP_ID_PREFIX)$(INTERMEDIATE_ROOT_MANAGEMENT_GROUP_ID)$(MANAGEMENT_GROUP_ID_POSTFIX)"
-
-                      $managementGroups = Get-AzManagementGroup
-                      $intRootMg = $managementGroups | Where-Object { $_.Name -eq $intRootMgId }
-
-                      $firstDeployment = $true
-
-                      if($intRootMg -eq $null) {
-                        Write-Warning "Cannot find the $intRootMgId Management Group, so assuming this is the first deployment."
-                      } else {
-                        Write-Host "Found the $intRootMgId Management Group, so assuming this is not the first deployment."
-                        $firstDeployment = $false
-                      }
-
-                      Write-Host "##vso[task.setvariable variable=FIRST_DEPLOYMENT;]$firstDeployment"
-
                 - template: ./helpers/bicep-installer.yaml
                   parameters:
                     serviceConnection: '${service_connection_name_apply}'
 
+                - template: ./helpers/bicep-first-deployment-check.yaml
+                  parameters:
+                    serviceConnection: '${service_connection_name_apply}'
+
 %{ for script_file in script_files ~}
                 - $${{ if eq(parameters['${script_file.name}'], true) }}:
                   - template: ./helpers/bicep-deploy.yaml

alz/azuredevops/pipelines/bicep/templates/ci-template.yaml

@@ -70,29 +70,9 @@ stages:
                   parameters:
                     serviceConnection: '${service_connection_name_plan}'
 
-                - task: AzurePowerShell@5
-                  displayName: 'Check for First Deployment'
-                  inputs:
-                    azureSubscription: '${service_connection_name_plan}'
-                    pwsh: true
-                    azurePowerShellVersion: LatestVersion
-                    ScriptType: "InlineScript"
-                    Inline: |
-                      $intRootMgId = "$(MANAGEMENT_GROUP_ID_PREFIX)$(INTERMEDIATE_ROOT_MANAGEMENT_GROUP_ID)$(MANAGEMENT_GROUP_ID_POSTFIX)"
-
-                      $managementGroups = Get-AzManagementGroup
-                      $intRootMg = $managementGroups | Where-Object { $_.Name -eq $intRootMgId }
-
-                      $firstDeployment = $true
-
-                      if($intRootMg -eq $null) {
-                        Write-Warning "Cannot find the $intRootMgId Management Group, so assuming this is the first deployment. We must skip what-if for some deployments since their dependent resources do not exist yet."
-                      } else {
-                        Write-Host "Found the $intRootMgId Management Group, so assuming this is not the first deployment."
-                        $firstDeployment = $false
-                      }
-
-                      Write-Host "##vso[task.setvariable variable=FIRST_DEPLOYMENT;]$firstDeployment"
+                - template: ./helpers/bicep-first-deployment-check.yaml
+                  parameters:
+                    serviceConnection: '${service_connection_name_plan}'
 
 %{ for script_file in script_files ~}
                 - template: ./helpers/bicep-deploy.yaml

alz/azuredevops/pipelines/bicep/templates/helpers/bicep-first-deployment-check.yaml

@@ -0,0 +1,29 @@
+---
+parameters:
+  - name: serviceConnection
+    type: string
+
+steps:
+  - task: AzurePowerShell@5
+    displayName: 'Check for First Deployment'
+    inputs:
+      azureSubscription: $${{ parameters.serviceConnection }}
+      pwsh: true
+      azurePowerShellVersion: LatestVersion
+      ScriptType: "InlineScript"
+      Inline: |
+        $intRootMgId = "$(MANAGEMENT_GROUP_ID_PREFIX)$(INTERMEDIATE_ROOT_MANAGEMENT_GROUP_ID)$(MANAGEMENT_GROUP_ID_POSTFIX)"
+
+        $managementGroups = Get-AzManagementGroup
+        $intRootMg = $managementGroups | Where-Object { $_.Name -eq $intRootMgId }
+
+        $firstDeployment = $true
+
+        if($intRootMg -eq $null) {
+          Write-Warning "Cannot find the $intRootMgId Management Group, so assuming this is the first deployment."
+        } else {
+          Write-Host "Found the $intRootMgId Management Group, so assuming this is not the first deployment."
+          $firstDeployment = $false
+        }
+
+        Write-Host "##vso[task.setvariable variable=FIRST_DEPLOYMENT;]$firstDeployment"