python: use an extra parameter to install Python from the official download link

Signed-off-by: Adrian Vladu <avladu@cloudbasesolutions.com>

Author: ader1990

.github/workflows/build_test_cbsinit.yml

@@ -30,7 +30,8 @@ jobs:
             -VSRedistDir "''" ^
             -CloudbaseInitRepoUrl ${{ matrix.cbsinit_repo }} ^
             -CloudbaseInitRepoBranch ${{ matrix.cbsinit_branch }} ^
-            -PythonMsiChecksum "C10234D0D9BD89F6F6DD55BAE28EDE0F97EE0DF4"
+            -InstallOfficialPythonMsi:$true ^
+            -OfficialPythonMsiChecksum "C10234D0D9BD89F6F6DD55BAE28EDE0F97EE0DF4"
     - uses: actions/upload-artifact@v7
       with:
         name: "CloudbaseInit_${{ matrix.platform }}_${{ matrix.os }}_MSI_${{ matrix.cbsinit_branch }}"

BuildAutomation/BuildCloudbaseInitSetup.ps1

@@ -10,8 +10,9 @@ Param(
   [switch]$ClonePullInstallerRepo = $true,
   [string]$VSRedistDir = "${ENV:ProgramFiles(x86)}\Common Files\Merge Modules",
   [string]$SignTimestampUrl = "http://timestamp.digicert.com?alg=sha256",
-  [string]$VCVars="2019",
-  [string]$PythonMsiChecksum = $null
+  [string]$VCVars = "2019",
+  [switch]$InstallOfficialPythonMsi = $false,
+  [string]$OfficialPythonMsiChecksum = "C10234D0D9BD89F6F6DD55BAE28EDE0F97EE0DF4"
 )
 
 $ErrorActionPreference = "Stop"
@@ -78,9 +79,12 @@ try
 
     $python_template_dir = join-path $cloudbaseInitInstallerDir "Python$($pythonversion.replace('.', ''))_${platform}_Template"
 
-    if ($PythonMsiChecksum) {
+    if ($InstallOfficialPythonMsi) {
+        if (!$OfficialPythonMsiChecksum) {
+            throw "Please set a OfficialPythonMsiChecksum parameter value."
+        }
         Remove-Item -Recurse -Force $python_template_dir -ErrorAction SilentlyContinue
-        DownloadInstall-PythonMsi $platform $python_template_dir $pythonversion $PythonMsiChecksum
+        DownloadInstall-PythonMsi $platform $python_template_dir $pythonversion $OfficialPythonMsiChecksum
     }
 
     CheckCopyDir $python_template_dir $python_dir