Explicitly configure kubelet logging in Prepare-Node.ps1 (#6221)

Fixes #6219 

Signed-off-by: Wenying Dong <wenyingd@vmware.com>

ci/jenkins/test.sh

@@ -245,14 +245,11 @@ function collect_windows_network_info_and_logs {
         ssh -o StrictHostKeyChecking=no -n administrator@${IP} "powershell.exe Get-HNSNetwork" > "${NODE_NETWORK_INFO_PATH}/hns_network"
         ssh -o StrictHostKeyChecking=no -n administrator@${IP} "powershell.exe Get-HNSEndpoint" > "${NODE_NETWORK_INFO_PATH}/hns_endpoint"
 
-        echo "=== Collecting '${NODENAME}' kubelet and docker logs after failure ==="
+        echo "=== Collecting '${NODENAME}' kubelet logs after failure ==="
         KUBELET_LOG_PATH="${DEBUG_LOG_PATH}/${NODENAME}/kubelet"
         mkdir "${KUBELET_LOG_PATH}"
         scp -q -o StrictHostKeyChecking=no -T administrator@${IP}:/cygdrive/c/var/log/kubelet/* "${KUBELET_LOG_PATH}"
 
-        DOCKER_LOG_PATH="${DEBUG_LOG_PATH}/${NODENAME}/docker"
-        mkdir "${DOCKER_LOG_PATH}"
-        scp -q -o StrictHostKeyChecking=no -T administrator@${IP}:'/cygdrive/c/"Program Files"/Docker/dockerd.log*' "${DOCKER_LOG_PATH}"
     done
     set -e
     tar zcf debug_logs.tar.gz "${DEBUG_LOG_PATH}"

hack/windows/Prepare-Node.ps1

@@ -157,6 +157,12 @@ Write-Host "Registering kubelet service"
 nssm install kubelet $global:Powershell $global:PowershellArgs $global:StartKubeletScript
 
 nssm set kubelet DependOnService $ContainerRuntime
+nssm set kubelet AppStdout C:\var\log\kubelet\kubelet.log
+# Replace kubelet.log on every service restart
+nssm set kubelet AppStdoutCreationDisposition 2
+nssm set kubelet AppStderr C:\var\log\kubelet\kubelet.err.log
+# Replace kubelet.err.log on every service restart
+nssm set kubelet AppStderrCreationDisposition 2
 
 New-NetFirewallRule -Name kubelet -DisplayName 'kubelet' -Enabled True -Direction Inbound -Protocol TCP -Action Allow -LocalPort 10250