From 09d5b6216eb87a4c3bd027e12284ab8eea058d2e Mon Sep 17 00:00:00 2001
From: Luther Monson <luther.monson@gmail.com>
Date: Tue, 19 Jan 2021 17:35:57 -0700
Subject: [PATCH] Adding Windows 20H2 Builds

---
 .drone.yml              | 47 +++++++++++++++++++++++++--
 Dockerfile.windows.20H2 | 70 +++++++++++++++++++++++++++++++++++++++++
 manifest.tmpl           |  6 ++++
 3 files changed, 121 insertions(+), 2 deletions(-)
 create mode 100644 Dockerfile.windows.20H2

diff --git a/.drone.yml b/.drone.yml
index 242c192..8cdf1c0 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -209,6 +209,48 @@ steps:
       event:
         - tag
 
+volumes:
+  - name: docker_pipe
+    host:
+      path: \\\\.\\pipe\\docker_engine
+
+---
+kind: pipeline
+name: windows-20H2
+
+platform:
+  os: windows
+  arch: amd64
+  version: 20H2
+
+# remove this and use upstream images when https://github.com/drone/drone-git/pull/25 is merged
+clone:
+  disable: true
+
+steps:
+  - name: clone
+    image: luthermonson/drone-git:windows-20H2-amd64
+  - name: publish-hyperkube-windows-20H2
+    image: luthermonson/drone-docker:20H2
+    settings:
+      username:
+        from_secret: docker_username
+      password:
+        from_secret: docker_password
+      dockerfile: Dockerfile.windows.20H2
+      repo: rancher/hyperkube
+      tag: "${DRONE_TAG}-windows-20H2"
+      build_args:
+        - SERVERCORE_VERSION=20H2
+    volumes:
+      - name: docker_pipe
+        path: \\\\.\\pipe\\docker_engine
+    when:
+      instance:
+        - drone-publish.rancher.io
+      event:
+        - tag
+
 volumes:
   - name: docker_pipe
     host:
@@ -219,7 +261,7 @@ name: manifest
 
 steps:
   - name: push-manifest
-    image: ibuildthecloud/manifest:v1.2.3-patch1
+    image: plugins/manifest
     settings:
       username:
         from_secret: docker_username
@@ -237,4 +279,5 @@ depends_on:
 - windows-1809
 - windows-1903
 - windows-1909
-- windows-2004
\ No newline at end of file
+- windows-2004
+- windows-20H2
\ No newline at end of file
diff --git a/Dockerfile.windows.20H2 b/Dockerfile.windows.20H2
new file mode 100644
index 0000000..d4b0d97
--- /dev/null
+++ b/Dockerfile.windows.20H2
@@ -0,0 +1,70 @@
+ARG SERVERCORE_VERSION
+
+FROM mcr.microsoft.com/windows/servercore:${SERVERCORE_VERSION} as builder
+SHELL ["powershell", "-NoLogo", "-Command", "$ErrorActionPreference = 'Stop'; $ProgressPreference = 'SilentlyContinue';"]
+RUN if (-not (Get-Command Expand-7Zip -ErrorAction Ignore)) { \
+       Install-PackageProvider -Name NuGet -Force -Verbose; \
+       Install-Module -Name 7Zip4Powershell -Repository PSGallery -Force -Verbose; \
+       if(-not $?) { \
+            Write-Error "Failed to install package"; \
+            Exit 1; \
+       } \
+    }
+ENV K8S_VERSION v1.19.7
+RUN $URL = ('https://dl.k8s.io/{0}/kubernetes-node-windows-amd64.tar.gz' -f $env:K8S_VERSION); \
+    \
+    function Expand-GZip ($inFile, $outFile) { \
+        $input = New-Object System.IO.FileStream $inFile, ([IO.FileMode]::Open), ([IO.FileAccess]::Read), ([IO.FileShare]::Read); \
+        $output = New-Object System.IO.FileStream $outFile, ([IO.FileMode]::Create), ([IO.FileAccess]::Write), ([IO.FileShare]::None); \
+        $gzipStream = New-Object System.IO.Compression.GzipStream $input, ([IO.Compression.CompressionMode]::Decompress); \
+        try { \
+            if (!$input -or !$output -or !$gzipStream) { \
+                Write-Error "Failed to Unzip the archive"; \
+                Exit 1; \
+            } \
+            $buffer = New-Object byte[](1024); \
+            while ($true) { \
+                $read = $gzipstream.Read($buffer, 0, 1024); \
+                if ($read -le 0 ) { \
+                    break; \
+                } \
+                $output.Write($buffer, 0, $read); \
+            } \
+        } finally { \
+            $gzipStream.Close(); \
+            $output.Close(); \
+            $input.Close(); \
+        } \
+    }; \
+    \
+    Write-Host ('Downloading Kubernetes from {0} ...' -f $URL); \
+    [Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12; \
+    Invoke-WebRequest -UseBasicParsing -OutFile c:\kubernetes.tar.gz -Uri $URL; \
+    \
+    Write-Host 'Expanding ...'; \
+    Expand-GZip c:\kubernetes.tar.gz c:\kubernetes.tar; \
+    Expand-7Zip c:\kubernetes.tar c:\; \
+    \
+    Write-Host 'Complete.'
+
+# FROM mcr.microsoft.com/powershell:nanoserver-${SERVERCORE_VERSION}
+# USER ContainerAdministrator
+# SHELL ["pwsh.exe", "-NoLogo", "-Command", "$ErrorActionPreference = 'Stop'; $ProgressPreference = 'SilentlyContinue';"]
+RUN $URL = 'https://github.com/rancher/azure-cli/releases/download/v0.0.2/dist.azure-cli.zip'; \
+    \
+    Write-Host ('Downloading azure-cli from {0} ...'  -f $URL); \
+    [Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12; \
+    Invoke-WebRequest -UseBasicParsing -OutFile c:\azure-cli.zip -Uri $URL; \
+    \
+    Write-Host 'Expanding ...'; \
+    Expand-Archive -Force -Path c:\azure-cli.zip -DestinationPath c:\azure-cli; \
+    Remove-Item -Force -Path c:\azure-cli.zip; \
+    \
+    Write-Host 'Complete.'
+# COPY --from=builder /Windows/System32/netapi32.dll /Windows/System32/
+RUN Move-Item -Path /kubernetes/node/bin/kubectl.exe -Destination /Windows
+RUN New-Item -Force -ItemType Directory -Path /etc; \
+    New-Item -Force -ItemType Directory -Path /etc/kubernetes; \
+    New-Item -Force -ItemType Directory -Path /etc/kubernetes/bin; \
+    Move-Item -Path /kubernetes/node/bin/*.exe -Destination /etc/kubernetes/bin/
+COPY windows/entrypoint.ps1 /usr/bin/
diff --git a/manifest.tmpl b/manifest.tmpl
index 89722af..2dcd1aa 100644
--- a/manifest.tmpl
+++ b/manifest.tmpl
@@ -34,3 +34,9 @@ manifests:
       architecture: amd64
       os: windows
       version: 2004
+  -
+    image: rancher/hyperkube:{{build.tag}}-windows-20H2
+    platform:
+      architecture: amd64
+      os: windows
+      version: 20H2