From 18a2a98d6793a5833dcf1f3ecddbcdd6e5b7b617 Mon Sep 17 00:00:00 2001
From: Peter Hornyack <peterhornyack@google.com>
Date: Thu, 28 Feb 2019 14:45:09 -0800
Subject: [PATCH] Dump Windows version information during cluster bringup.

---
 cluster/gce/windows/configure.ps1       |  1 +
 cluster/gce/windows/k8s-node-setup.psm1 | 13 +++++++++++++
 2 files changed, 14 insertions(+)

diff --git a/cluster/gce/windows/configure.ps1 b/cluster/gce/windows/configure.ps1
index 187e5e79b0f..25a725ab5c6 100644
--- a/cluster/gce/windows/configure.ps1
+++ b/cluster/gce/windows/configure.ps1
@@ -91,6 +91,7 @@ try {
   # then put these calls into a loop over a list of XYZ-psm1 keys.
   FetchAndImport-ModuleFromMetadata 'k8s-node-setup-psm1' 'k8s-node-setup.psm1'
 
+  Dump-DebugInfoToConsole
   Set-PrerequisiteOptions
   $kube_env = Fetch-KubeEnv
   Disable-WindowsDefender
diff --git a/cluster/gce/windows/k8s-node-setup.psm1 b/cluster/gce/windows/k8s-node-setup.psm1
index 188d762e27e..600c3175360 100644
--- a/cluster/gce/windows/k8s-node-setup.psm1
+++ b/cluster/gce/windows/k8s-node-setup.psm1
@@ -128,6 +128,19 @@ function Add_GceMetadataServerRoute {
   }
 }
 
+# Writes debugging information, such as Windows version and patch info, to the
+# console.
+function Dump-DebugInfoToConsole {
+  Try {
+    $version = "$([System.Environment]::OSVersion.Version | Out-String)"
+    $hotfixes = "$(Get-Hotfix | Out-String)"
+    $image = "$(Get-InstanceMetadata 'image' | Out-String)"
+    Log-Output "Windows version:`n$version"
+    Log-Output "Installed hotfixes:`n$hotfixes"
+    Log-Output "GCE Windows image:`n$image"
+  } Catch { }
+}
+
 # Fetches the kube-env from the instance metadata.
 #
 # Returns: a PowerShell Hashtable object containing the key-value pairs from