#963 specific powershell module version install (#993)

* #963 specific powershell module version install

* review comments addressed

* added test for the version specific module installation and addressed review comments

* Update src/powershell/install.sh

* Update src/powershell/install.sh

* Update src/powershell/install.sh

---------
Co-authored-by: Samruddhi Khandale <samruddhikhandale@github.com>

src/powershell/devcontainer-feature.json

 {
     "id": "powershell",
-    "version": "1.3.5",
+    "version": "1.4.0",
     "name": "PowerShell",
     "documentationURL": "https://github.com/devcontainers/features/tree/main/src/powershell",
     "description": "Installs PowerShell along with needed dependencies. Useful for base Dockerfiles that often are missing required install dependencies like gpg.",
@@ -18,7 +18,7 @@
         "modules": {
             "type": "string",
             "default": "",
-            "description": "Optional comma separated list of PowerShell modules to install."
+            "description": "Optional comma separated list of PowerShell modules to install. If you need to install a specific version of a module, use '==' to specify the version (e.g. 'az.resources==2.5.0')"
         },
         "powershellProfileURL": {
             "type": "string",

src/powershell/install.sh

@@ -242,14 +242,24 @@ if [ "${use_github}" = "true" ]; then
     install_using_github
 fi
 
-# If PowerShell modules are requested, loop through and install 
+# If PowerShell modules are requested, loop through and install
 if [ ${#POWERSHELL_MODULES[@]} -gt 0 ]; then
     echo "Installing PowerShell Modules: ${POWERSHELL_MODULES}"
     modules=(`echo ${POWERSHELL_MODULES} | tr ',' ' '`)
     for i in "${modules[@]}"
     do
-        echo "Installing ${i}"
-        pwsh -Command "Install-Module -Name ${i} -AllowClobber -Force -Scope AllUsers" || continue
+        module_parts=(`echo ${i} | tr '==' ' '`)
+        module_name="${module_parts[0]}"  
+        args="-Name ${module_name} -AllowClobber -Force -Scope AllUsers"  
+        if [ "${#module_parts[@]}" -eq 2 ]; then
+            module_version="${module_parts[1]}"
+            echo "Installing ${module_name} v${module_version}"
+            args+=" -RequiredVersion ${module_version}"
+        else
+            echo "Installing latest version for ${i} module"
+        fi
+
+        pwsh -Command "Install-Module $args" || continue
     done
 fi
 

test/powershell/install_modules_version.sh

+#!/bin/bash
+
+set -e
+
+# Import test library for `check` command
+source dev-container-features-test-lib
+
+# Extension-specific tests
+check "az.resources" pwsh -Command "(Get-Module -ListAvailable -Name Az.Resources).Version.ToString()" | grep 2.5.0
+check "az.storage" pwsh -Command "(Get-Module -ListAvailable -Name Az.Storage).Version.ToString()" | grep 4.3.0
+
+# Report result
+reportResults

test/powershell/scenarios.json

@@ -16,5 +16,13 @@
         "powershellProfileURL": "https://raw.githubusercontent.com/codspace/powershell-profile/main/Test-Profile.ps1"
       }
     }
+  },
+  "install_modules_version": {
+    "image": "mcr.microsoft.com/devcontainers/base:jammy",
+    "features": {
+      "powershell": {
+        "modules": "az.resources==2.5.0, az.storage==4.3.0"
+      }
+    }
   }
 }