Add containerd support to PrepareNode script

Signed-off-by: Naman Agarwal <naman.agarwal75@gmail.com>

docs/windows.md

@@ -313,12 +313,15 @@ Set-NetFirewallProfile -Profile Domain,Public,Private -Enabled False
 Firstly, install wins, kubelet, kubeadm using script `PrepareNode.ps1` provided
 by kubernetes. The third component [`wins`](https://github.com/rancher/wins) is
 used to run kube-proxy and antrea-agent on Windows host inside the Windows
-container.
+container.Specify the Node IP , Kubernetes Version and Container Runtime while 
+running the script.You can also specify whether you want to install OVS on the 
+node.
 
 ```powershell
 # Example:
 curl.exe -LO "https://github.com/kubernetes-sigs/sig-windows-tools/releases/download/v0.1.5/PrepareNode.ps1"
-.\PrepareNode.ps1 -KubernetesVersion v1.23.5
+.\Prepare-Node.ps1 -KubernetesVersion v1.25.0 -InstallOVS -NodeIP 192.168.1.10 -ContainerRuntime ContainerD
+
 ```
 
 #### 4. Prepare Node environment needed by antrea-agent

hack/windows/Prepare-Node.ps1

@@ -22,8 +22,11 @@ Install OVS
 .PARAMETER NodeIP
 The node ip used by kubelet
 
+.PARAMETER ContainerRuntime
+The Container runtime that Kubernets will use
+
 .EXAMPLE
-PS> .\Prepare-Node.ps1 -KubernetesVersion v1.18.0 -InstallOVS -NodeIP 192.168.1.10
+PS> .\Prepare-Node.ps1 -KubernetesVersion v1.18.0 -InstallOVS -NodeIP 192.168.1.10 -ContainerRuntime ContainerD
 
 #>
 
@@ -32,6 +35,9 @@ Param(
     [parameter(Mandatory = $true, HelpMessage="Node IP")] [string] $NodeIP,
     [parameter(Mandatory = $false)] [switch] $InstallOVS = $false,
     [parameter(Mandatory = $false, HelpMessage="Kubernetes download")] [string] $KubernetesURL="dl.k8s.io"
+    [parameter(HelpMessage="Container runtime that Kubernets will use")]
+    [ValidateSet("ContainerD", "Docker")]
+    [string] $ContainerRuntime = "Docker"
 )
 $ErrorActionPreference = 'Stop'
 
@@ -50,6 +56,20 @@ If (Get-Service kubelet -ErrorAction SilentlyContinue) {
     exit 0
 }
 
+if ($ContainerRuntime -eq "Docker") {
+    if (-not(Test-Path "//./pipe/docker_engine")) {
+        Write-Error "Docker service was not detected - please install start Docker before calling
+PrepareNode.ps1 with -ContainerRuntime Docker"
+        exit 1
+    }
+} elseif ($ContainerRuntime -eq "ContainerD") {
+    if (-not(Test-Path "//./pipe/containerd-containerd")) {
+        Write-Error "ContainerD service was not detected - please install and start ContainerD
+before calling PrepareNode.ps1 with -ContainerRuntime ContainerD"
+        exit 1
+    }
+}
+
 if (!$KubernetesVersion.StartsWith("v")) {
     $KubernetesVersion = "v" + $KubernetesVersion
 }
@@ -71,8 +91,15 @@ DownloadFile "$global:KubernetesPath\kubeadm.exe" "https://$KubernetesURL/$Kuber
 DownloadFile "$global:KubernetesPath\wins.exe" https://github.com/rancher/wins/releases/download/v0.0.4/wins.exe
 
 # Create host network to allow kubelet to schedule hostNetwork pods
-Write-Host "Creating Docker host network"
-docker network create -d nat host
+if ($ContainerRuntime -eq "Docker") {
+    Write-Host "Creating Docker host network"
+    docker network create -d nat host
+} elseif ($ContainerRuntime -eq "ContainerD") {
+    Write-Host "Creating ContainerD host network"
+    DownloadFile "c:\k\hns.psm1" https://github.com/Microsoft/SDN/raw/master/Kubernetes/windows/hns.psm1
+    Import-Module "c:\k\hns.psm1"
+    New-HnsNetwork -Type NAT -Name nat
+}
 
 Write-Host "Registering wins service"
 wins.exe srv app run --register
@@ -86,17 +113,21 @@ New-Item -path C:\var\lib\kubelet\etc\kubernetes\pki -type SymbolicLink -value C
 $StartKubeletFileContent = '$FileContent = Get-Content -Path "/var/lib/kubelet/kubeadm-flags.env"
 $global:KubeletArgs = $FileContent.Trim("KUBELET_KUBEADM_ARGS=`"")
 
-$netId = docker network ls -f name=host --format "{{ .ID }}"
+$global:containerRuntime = {{CONTAINER_RUNTIME}}
+
+if ($global:containerRuntime -eq "Docker") {
+    $netId = docker network ls -f name=host --format "{{ .ID }}"
 
-if ($netId.Length -lt 1) {
+    if ($netId.Length -lt 1) {
     docker network create -d nat host
+    }
 }
 
-& C:\k\Prepare-ServiceInterface.ps1 -InterfaceAlias "HNS Internal NIC"
-
-$cmd = "C:\k\kubelet.exe $global:KubeletArgs --cert-dir=$env:SYSTEMDRIVE\var\lib\kubelet\pki --config=/var/lib/kubelet/config.yaml --bootstrap-kubeconfig=/etc/kubernetes/bootstrap-kubelet.conf --kubeconfig=/etc/kubernetes/kubelet.conf --hostname-override=$(hostname) --pod-infra-container-image=`"mcr.microsoft.com/oss/kubernetes/pause:1.3.0`" --enable-debugging-handlers --cgroups-per-qos=false --enforce-node-allocatable=`"`" --network-plugin=cni --resolv-conf=`"`" --log-dir=/var/log/kubelet --logtostderr=false --image-pull-progress-deadline=20m --node-ip=$env:NODE_IP"
+$cmd = "C:\k\kubelet.exe $global:KubeletArgs --cert-dir=$env:SYSTEMDRIVE\var\lib\kubelet\pki --config=/var/lib/kubelet/config.yaml --bootstrap-kubeconfig=/etc/kubernetes/bootstrap-kubelet.conf --kubeconfig=/etc/kubernetes/kubelet.conf --hostname-override=$(hostname) --pod-infra-container-image=`"mcr.microsoft.com/oss/kubernetes/pause:1.4.1`" --enable-debugging-handlers --cgroups-per-qos=false --enforce-node-allocatable=`"`"  --resolv-conf=`"`" --log-dir=/var/log/kubelet --logtostderr=false --container-runtime=remote --container-runtime-endpoint=npipe:\\\\.\\pipe\\containerd-containerd --node-ip=$env:NODE_IP --feature-gates=WindowsHostProcessContainers=true"
 
 Invoke-Expression $cmd'
+$StartKubeletFileContent = $StartKubeletFileContent -replace "{{CONTAINER_RUNTIME}}",
+"`"$ContainerRuntime`""
 Set-Content -Path $global:StartKubeletScript -Value $StartKubeletFileContent
 
 Write-Host "Installing nssm"
@@ -123,9 +154,9 @@ nssm set kubelet DependOnService docker
 New-NetFirewallRule -Name kubelet -DisplayName 'kubelet' -Enabled True -Direction Inbound -Protocol TCP -Action Allow -LocalPort 10250
 
 # Create netadapter for kube-proxy, the default full name of the adapter is "vEthernet (HNS Internal NIC)"
-& ./Prepare-ServiceInterface.ps1
+& .\Prepare-ServiceInterface.ps1 -InterfaceAlias "HNS Internal NIC"
 
 if ($InstallOVS) {
     Write-Host "Installing OVS"
     & .\Install-OVS.ps1
-}
+}