From e44196a1a842a4a434a30ae672bba3c62ca6df21 Mon Sep 17 00:00:00 2001
From: djpbessems <danny@bessems.eu>
Date: Mon, 15 Feb 2021 09:53:53 +0100
Subject: [PATCH] Add missing parameter

---
 scripts/Update-OvfConfiguration.ps1 | 22 ++++++++++++++++++++--
 1 file changed, 20 insertions(+), 2 deletions(-)

diff --git a/scripts/Update-OvfConfiguration.ps1 b/scripts/Update-OvfConfiguration.ps1
index fd731de..ecbae0d 100644
--- a/scripts/Update-OvfConfiguration.ps1
+++ b/scripts/Update-OvfConfiguration.ps1
@@ -9,7 +9,8 @@ Param(
                 Throw "'$_' is not a valid filename (within working directory '$PWD'), or access denied; aborting."
             }
         })]
-    [string]$OVFFile
+    [string]$OVFFile,
+    [hashtable]$Parameter
 )
 
 $GetContentSplat = @{
@@ -21,7 +22,24 @@ $ConvertFromYamlSplat = @{
     Yaml         = $RawContent
     AllDocuments = $True
 }
-$OVFConfig = ConvertFrom-Yaml @ConvertFromYamlSplat
+$YamlDocuments = ConvertFrom-Yaml @ConvertFromYamlSplat
+
+# Check if the respective .yml file declared substitutions which need to be parsed
+If (($YamlDocuments.Count -gt 1) -and $YamlDocuments[-1].Variables) {
+    ForEach ($Pattern in $YamlDocuments[-1].Variables) {
+        $RawContent = $RawContent -replace "\{\{ ($($Pattern.Name)) \}\}", [string](Invoke-Expression -Command $Pattern.Expression)
+    }
+    # Perform conversion to Yaml again, now with parsed file contents
+    $ConvertFromYamlSplat = @{
+        Yaml         = $RawContent
+        AllDocuments = $True
+    }
+    $YamlDocuments = ConvertFrom-Yaml @ConvertFromYamlSplat
+    $OVFConfig = $YamlDocuments[0..($YamlDocuments.Count - 2)]
+}
+Else {
+    $OVFConfig = $YamlDocuments
+}
 
 $SourceFile = Get-Item -Path $OVFFile
 $GetContentSplat = @{