updates win_msi to allow install to wait - adds additional wait param - updates to use Start-Process to allow -Wait - this will wait for install/uninstall to complete before continue

lib/ansible/modules/windows/win_msi.ps1

@@ -21,14 +21,25 @@
 
 $params = Parse-Args $args;
 
-$path = Get-Attr $params "path" -failifempty $true
-$state = Get-Attr $params "state" "present"
-$creates = Get-Attr $params "creates" $false
-$extra_args = Get-Attr $params "extra_args" ""
+$result = New-Object psobject;
+Set-Attr $result "changed" $false;
+$wait = $false
 
-$result = New-Object psobject @{
-    changed = $false
-};
+If (-not $params.path.GetType)
+{
+    Fail-Json $result "missing required arguments: path"
+}
+
+If ($params.wait -eq "true" -Or $params.wait -eq "yes")
+{
+  $wait = $true
+}
+
+$extra_args = ""
+If ($params.extra_args.GetType)
+{
+    $extra_args = $params.extra_args;
+}
 
 If (($creates -ne $false) -and ($state -ne "absent") -and (Test-Path $creates))
 {
@@ -36,13 +47,27 @@ If (($creates -ne $false) -and ($state -ne "absent") -and (Test-Path $creates))
 }
 
 $logfile = [IO.Path]::GetTempFileName();
-if ($state -eq "absent")
+If ($params.state.GetType -and $params.state -eq "absent")
 {
-    msiexec.exe /x $path /qn /l $logfile $extra_args
+  If ($wait)
+  {
+    Start-Process -FilePath msiexec.exe -ArgumentList "/x $params.path /qb /l $logfile $extra_args" -Verb Runas -Wait;
   }
   Else
   {
-    msiexec.exe /i $path /qn /l $logfile $extra_args
+    Start-Process -FilePath msiexec.exe -ArgumentList "/x $params.path /qb /l $logfile $extra_args" -Verb Runas;
+  }
+}
+Else
+{
+  If ($wait)
+  {
+    Start-Process -FilePath msiexec.exe -ArgumentList "/i $params.path /qb /l $logfile $extra_args" -Verb Runas -Wait;
+  }
+  Else
+  {
+    Start-Process -FilePath msiexec.exe -ArgumentList "/i $params.path /qb /l $logfile $extra_args" -Verb Runas;
+  }
 }
 
 Set-Attr $result "changed" $true;

lib/ansible/modules/windows/win_msi.py

@@ -49,13 +49,26 @@ options:
         description:
             - Path to a file created by installing the MSI to prevent from
               attempting to reinstall the package on every run
-author: "Matt Martz (@sivel)"
+    wait:
+        version_added: ""
+        description:
+            - Specify whether to wait for install or uninstall to complete before continuing.
+        choices:
+            - true
+            - yes
+            - false
+            - no
+        default: false
+author: Matt Martz
 '''
 
 EXAMPLES = '''
 # Install an MSI file
 - win_msi: path=C:\\\\7z920-x64.msi
 
+# Install an MSI, and wait for it to complete before continuing
+- win_msi: path=C:\\\\7z920-x64.msi wait=true
+
 # Uninstall an MSI file
 - win_msi: path=C:\\\\7z920-x64.msi state=absent
 '''