Enable Integration tests in Windows CI

.github/workflows/test.yml

@@ -129,12 +129,10 @@ jobs:
     - name: Enable WSL2
       run: |
         wsl --set-default-version 2
-        # Manually install the latest kernel from MSI
-        Invoke-WebRequest -Uri "https://wslstorestorage.blob.core.windows.net/wslblob/wsl_update_x64.msi" -OutFile "wsl_update_x64.msi"
-        $pwd = (pwd).Path
-        Start-Process msiexec.exe -Wait -ArgumentList "/I $pwd\wsl_update_x64.msi /quiet"
+        wsl --shutdown
         wsl --update
         wsl --status
+        wsl --version
         wsl --list --online
     - name: Install WSL2 distro
       timeout-minutes: 1
@@ -160,22 +158,15 @@ jobs:
       run: go test -v ./...
     - name: Make
       run: make
-# FIXME: Windows CI began to fail on Oct 21, 2024.
-# Something seems to have changed between win22/20241006.1 and win22/20241015.1.
-# https://github.com/lima-vm/lima/issues/2775
-#    - name: Smoke test
-#      # Make sure the path is set properly and then run limactl
-#      run: |
-#        $env:Path = 'C:\Program Files\Git\usr\bin;' + $env:Path
-#        Set-ItemProperty -Path 'Registry::HKEY_LOCAL_MACHINE\System\CurrentControlSet\Control\Session Manager\Environment' -Name PATH -Value $env:Path
-#        .\_output\bin\limactl.exe start template://experimental/wsl2
-#      # TODO: run the full integration tests
-#    - name: Debug
-#      if: always()
-#      run: type C:\Users\runneradmin\.lima\wsl2\ha.stdout.log
-#    - name: Debug
-#      if: always()
-#      run: type C:\Users\runneradmin\.lima\wsl2\ha.stderr.log
+    - name: Integration tests (WSL2, Windows host)
+      run: |
+        $env:Path = "$pwd\_output\bin;" + 'C:\Program Files\Git\usr\bin;' + $env:Path
+        Set-ItemProperty -Path 'Registry::HKEY_LOCAL_MACHINE\System\CurrentControlSet\Control\Session Manager\Environment' -Name PATH -Value $env:Path
+        $env:MSYS2_ENV_CONV_EXCL='HOME_HOST;HOME_GUEST'
+        $env:HOME_HOST=$(cygpath.exe "$env:USERPROFILE")
+        $env:HOME_GUEST="/mnt$env:HOME_HOST"
+        $env:LIMACTL_CREATE_ARGS='--vm-type=wsl2 --mount-type=wsl2 --containerd=system'
+        bash.exe -c "./hack/test-templates.sh templates/experimental/wsl2.yaml"
 
   qemu:
     name: "Integration tests (QEMU, macOS host)"

hack/common.inc.sh

@@ -23,7 +23,7 @@ if [[ ${BASH_VERSINFO:-0} -lt 4 ]]; then
 	exit 1
 fi
 
-: "${LIMA_HOME:=$HOME/.lima}"
+: "${LIMA_HOME:=${HOME_HOST:-$HOME}/.lima}"
 _IPERF3=iperf3
 # iperf3-darwin does some magic on macOS to avoid "No route on host" on macOS 15
 # https://github.com/lima-vm/socket_vmnet/issues/85

hack/test-mount-home.sh

@@ -11,14 +11,15 @@ if [ "$#" -ne 1 ]; then
 fi
 
 NAME="$1"
-hometmp="$HOME/lima-test-tmp"
+hometmp="${HOME_HOST:-$HOME}/lima-test-tmp"
+hometmpguest="${HOME_GUEST:-$HOME}/lima-test-tmp"
 INFO "Testing home access (\"$hometmp\")"
 rm -rf "$hometmp"
 mkdir -p "$hometmp"
 defer "rm -rf \"$hometmp\""
 echo "random-content-${RANDOM}" >"$hometmp/random"
 expected="$(cat "$hometmp/random")"
-got="$(limactl shell "$NAME" cat "$hometmp/random")"
+got="$(limactl shell "$NAME" cat "$hometmpguest/random")"
 INFO "$hometmp/random: expected=${expected}, got=${got}"
 if [ "$got" != "$expected" ]; then
 	ERROR "Home directory is not shared?"

hack/test-port-forwarding.pl

@@ -129,7 +129,8 @@
 sleep 5;
 
 # Record current log size, so we can skip prior output
-$ENV{LIMA_HOME} ||= "$ENV{HOME}/.lima";
+$ENV{HOME_HOST} ||= "$ENV{HOME}";
+$ENV{LIMA_HOME} ||= "$ENV{HOME_HOST}/.lima";
 my $ha_log = "$ENV{LIMA_HOME}/$instance/ha.stderr.log";
 my $ha_log_size = -s $ha_log or die;
 

hack/test-templates.sh

@@ -1,6 +1,9 @@
 #!/usr/bin/env bash
 set -eu -o pipefail
 
+# will prevent msys2 converting Linux path arguments into Windows paths before passing to limactl
+export MSYS2_ARG_CONV_EXCL='*'
+
 scriptdir="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
 # shellcheck source=common.inc.sh
 source "${scriptdir}/common.inc.sh"
@@ -12,16 +15,27 @@ fi
 
 FILE="$1"
 NAME="$(basename -s .yaml "$FILE")"
+OS_HOST="$(uname -o)"
+
+# On Windows $HOME of the bash runner, %USERPROFILE% of the host machine and mpunting point in the guest machine
+# are all different folders. This will handle path differences, when values are expilictly set.
+HOME_HOST=${HOME_HOST:-$HOME}
+HOME_GUEST=${HOME_GUEST:-$HOME}
+FILE_HOST=$FILE
+if [ "${OS_HOST}" = "Msys" ]; then
+	FILE_HOST="$(cygpath -w "$FILE")"
+fi
 
-INFO "Validating \"$FILE\""
-limactl validate "$FILE"
+INFO "Validating \"$FILE_HOST\""
+limactl validate "$FILE_HOST"
 
 # --cpus=1 is needed for running vz on GHA: https://github.com/lima-vm/lima/pull/1511#issuecomment-1574937888
 LIMACTL_CREATE=(limactl --tty=false create --cpus=1 --memory=1)
 
 CONTAINER_ENGINE="nerdctl"
 
 declare -A CHECKS=(
+	["proxy-settings"]="1"
 	["systemd"]="1"
 	["systemd-strict"]="1"
 	["mount-home"]="1"
@@ -69,6 +83,13 @@ case "$NAME" in
 "docker")
 	CONTAINER_ENGINE="docker"
 	;;
+"wsl2")
+	# TODO https://github.com/lima-vm/lima/issues/3267
+	CHECKS["systemd"]=
+	# TODO https://github.com/lima-vm/lima/issues/3268
+	CHECKS["proxy-settings"]=
+	CHECKS["port-forwards"]=
+	;;
 esac
 
 if limactl ls -q | grep -q "$NAME"; then
@@ -80,7 +101,7 @@ fi
 # TODO: skip downloading and converting the image here.
 # Probably `limactl create` should have "dry run" mode that just generates `lima.yaml`.
 # shellcheck disable=SC2086
-"${LIMACTL_CREATE[@]}" ${LIMACTL_CREATE_ARGS} --set ".additionalDisks=null" --name="${NAME}-tmp" "$FILE"
+"${LIMACTL_CREATE[@]}" ${LIMACTL_CREATE_ARGS} --set ".additionalDisks=null" --name="${NAME}-tmp" "$FILE_HOST"
 case "$(yq '.networks[].lima' "${LIMA_HOME}/${NAME}-tmp/lima.yaml")" in
 "shared")
 	CHECKS["vmnet"]=1
@@ -93,32 +114,38 @@ esac
 limactl rm -f "${NAME}-tmp"
 
 if [[ -n ${CHECKS["port-forwards"]} ]]; then
-	tmpconfig="$HOME/lima-config-tmp"
+	tmpconfig="$HOME_HOST/lima-config-tmp"
 	mkdir -p "${tmpconfig}"
 	defer "rm -rf \"$tmpconfig\""
 	tmpfile="${tmpconfig}/${NAME}.yaml"
 	cp "$FILE" "${tmpfile}"
 	FILE="${tmpfile}"
+	FILE_HOST=$FILE
+	if [ "${OS_HOST}" = "Msys" ]; then
+		FILE_HOST="$(cygpath -w "$FILE")"
+	fi
+
 	INFO "Setup port forwarding rules for testing in \"${FILE}\""
 	"${scriptdir}/test-port-forwarding.pl" "${FILE}"
-	limactl validate "$FILE"
+	INFO "Validating \"$FILE_HOST\""
+	limactl validate "$FILE_HOST"
 fi
 
 function diagnose() {
 	NAME="$1"
 	set -x +e
-	tail "$HOME/.lima/${NAME}"/*.log
+	tail "$HOME_HOST/.lima/${NAME}"/*.log
 	limactl shell "$NAME" systemctl --no-pager status
 	limactl shell "$NAME" systemctl --no-pager
 	mkdir -p failure-logs
-	cp -pf "$HOME/.lima/${NAME}"/*.log failure-logs/
+	cp -pf "$HOME_HOST/.lima/${NAME}"/*.log failure-logs/
 	limactl shell "$NAME" sudo cat /var/log/cloud-init-output.log | tee failure-logs/cloud-init-output.log
 	set +x -e
 }
 
 export ftp_proxy=http://localhost:2121
 
-INFO "Creating \"$NAME\" from \"$FILE\""
+INFO "Creating \"$NAME\" from \"$FILE_HOST\""
 defer "limactl delete -f \"$NAME\""
 
 if [[ -n ${CHECKS["disk"]} ]]; then
@@ -130,7 +157,7 @@ fi
 
 set -x
 # shellcheck disable=SC2086
-"${LIMACTL_CREATE[@]}" ${LIMACTL_CREATE_ARGS} "$FILE"
+"${LIMACTL_CREATE[@]}" ${LIMACTL_CREATE_ARGS} "$FILE_HOST"
 set +x
 
 if [[ -n ${CHECKS["mount-path-with-spaces"]} ]]; then
@@ -152,7 +179,7 @@ limactl shell "$NAME" cat /etc/os-release
 set +x
 
 INFO "Testing that host home is not wiped out"
-[ -e "$HOME/.lima" ]
+[ -e "$HOME_HOST/.lima" ]
 
 if [[ -n ${CHECKS["mount-path-with-spaces"]} ]]; then
 	INFO 'Testing that "/tmp/lima test dir with spaces" is not wiped out'
@@ -179,23 +206,26 @@ if [[ -n ${CHECKS["set-user"]} ]]; then
 	limactl shell "$NAME" grep "^john:x:4711:4711:John Doe:/home/john-john" /etc/passwd
 fi
 
-INFO "Testing proxy settings are imported"
-got=$(limactl shell "$NAME" env | grep FTP_PROXY)
-# Expected: FTP_PROXY is set in addition to ftp_proxy, localhost is replaced
-# by the gateway address, and the value is set immediately without a restart
-gatewayIp=$(limactl shell "$NAME" ip route show 0.0.0.0/0 dev eth0 | cut -d\  -f3)
-expected="FTP_PROXY=http://${gatewayIp}:2121"
-INFO "FTP_PROXY: expected=${expected} got=${got}"
-if [ "$got" != "$expected" ]; then
-	ERROR "proxy environment variable not set to correct value"
-	exit 1
+if [[ -n ${CHECKS["proxy-settings"]} ]]; then
+	INFO "Testing proxy settings are imported"
+	got=$(limactl shell "$NAME" env | grep FTP_PROXY)
+	# Expected: FTP_PROXY is set in addition to ftp_proxy, localhost is replaced
+	# by the gateway address, and the value is set immediately without a restart
+	gatewayIp=$(limactl shell "$NAME" ip route show 0.0.0.0/0 dev eth0 | cut -d\  -f3)
+	expected="FTP_PROXY=http://${gatewayIp}:2121"
+	INFO "FTP_PROXY: expected=${expected} got=${got}"
+	if [ "$got" != "$expected" ]; then
+		ERROR "proxy environment variable not set to correct value"
+		exit 1
+	fi
 fi
 
 INFO "Testing limactl copy command"
 tmpdir="$(mktemp -d "${TMPDIR:-/tmp}"/lima-test-templates.XXXXXX)"
 defer "rm -rf \"$tmpdir\""
 tmpfile="$tmpdir/lima-hostname"
 rm -f "$tmpfile"
+# TODO support Windows path https://github.com/lima-vm/lima/issues/3215
 limactl cp "$NAME":/etc/hostname "$tmpfile"
 expected="$(limactl shell "$NAME" cat /etc/hostname)"
 got="$(cat "$tmpfile")"
@@ -234,32 +264,38 @@ nginx_image="ghcr.io/stargz-containers/nginx:1.19-alpine-org"
 alpine_image="ghcr.io/containerd/alpine:3.14.0"
 
 if [[ -n ${CHECKS["container-engine"]} ]]; then
+	sudo=""
+	# Currently WSL2 machines only support privileged engine. This requirement might be lifted in the future.
+	if [[ "$(limactl ls --json "${NAME}" | jq -r .vmType)" == "wsl2" ]]; then
+		sudo="sudo"
+	fi
 	INFO "Run a nginx container with port forwarding 127.0.0.1:8080"
 	set -x
-	if ! limactl shell "$NAME" $CONTAINER_ENGINE info; then
-		limactl shell "$NAME" sudo cat /var/log/cloud-init-output.log
+	if ! limactl shell "$NAME" $sudo $CONTAINER_ENGINE info; then
+		limactl shell "$NAME" cat /var/log/cloud-init-output.log
 		ERROR "\"${CONTAINER_ENGINE} info\" failed"
 		exit 1
 	fi
-	limactl shell "$NAME" $CONTAINER_ENGINE pull --quiet ${nginx_image}
-	limactl shell "$NAME" $CONTAINER_ENGINE run -d --name nginx -p 127.0.0.1:8080:80 ${nginx_image}
+	limactl shell "$NAME" $sudo $CONTAINER_ENGINE pull --quiet ${nginx_image}
+	limactl shell "$NAME" $sudo $CONTAINER_ENGINE run -d --name nginx -p 127.0.0.1:8080:80 ${nginx_image}
 
 	timeout 3m bash -euxc "until curl -f --retry 30 --retry-connrefused http://127.0.0.1:8080; do sleep 3; done"
 
-	limactl shell "$NAME" $CONTAINER_ENGINE rm -f nginx
+	limactl shell "$NAME" $sudo $CONTAINER_ENGINE rm -f nginx
 	set +x
 	if [[ -n ${CHECKS["mount-home"]} ]]; then
-		hometmp="$HOME/lima-container-engine-test-tmp"
+		hometmp="$HOME_HOST/lima-container-engine-test-tmp"
+		hometmpguest="$HOME_GUEST/lima-container-engine-test-tmp"
 		# test for https://github.com/lima-vm/lima/issues/187
 		INFO "Testing home bind mount (\"$hometmp\")"
 		rm -rf "$hometmp"
 		mkdir -p "$hometmp"
 		defer "rm -rf \"$hometmp\""
 		set -x
-		limactl shell "$NAME" $CONTAINER_ENGINE pull --quiet ${alpine_image}
+		limactl shell "$NAME" $sudo $CONTAINER_ENGINE pull --quiet ${alpine_image}
 		echo "random-content-${RANDOM}" >"$hometmp/random"
 		expected="$(cat "$hometmp/random")"
-		got="$(limactl shell "$NAME" $CONTAINER_ENGINE run --rm -v "$hometmp/random":/mnt/foo ${alpine_image} cat /mnt/foo)"
+		got="$(limactl shell "$NAME" $sudo $CONTAINER_ENGINE run --rm -v "$hometmpguest/random":/mnt/foo ${alpine_image} cat /mnt/foo)"
 		INFO "$hometmp/random: expected=${expected}, got=${got}"
 		if [ "$got" != "$expected" ]; then
 			ERROR "Home directory is not shared?"
@@ -284,6 +320,9 @@ if [[ -n ${CHECKS["port-forwards"]} ]]; then
 	if [ "${NAME}" = "opensuse" ]; then
 		limactl shell "$NAME" sudo zypper in -y netcat-openbsd
 	fi
+	if limactl shell "$NAME" command -v dnf; then
+		limactl shell "$NAME" sudo dnf install -y nc
+	fi
 	"${scriptdir}/test-port-forwarding.pl" "${NAME}"
 
 	if [[ -n ${CHECKS["container-engine"]} || ${NAME} == "alpine"* ]]; then
@@ -306,6 +345,10 @@ if [[ -n ${CHECKS["port-forwards"]} ]]; then
 				rm nerdctl-full.tgz
 				sudo="sudo"
 			fi
+			# Currently WSL2 machines only support privileged engine. This requirement might be lifted in the future.
+			if [[ "$(limactl ls --json "${NAME}" | jq -r .vmType)" == "wsl2" ]]; then
+				sudo="sudo"
+			fi
 			limactl shell "$NAME" $sudo $CONTAINER_ENGINE info
 			limactl shell "$NAME" $sudo $CONTAINER_ENGINE pull --quiet ${nginx_image}
 
@@ -360,7 +403,8 @@ if [[ -n ${CHECKS["restart"]} ]]; then
 	fi
 
 	INFO "Stopping \"$NAME\""
-	limactl stop "$NAME"
+	# TODO https://github.com/lima-vm/lima/issues/3221
+	limactl stop "$NAME" || [ "${OS_HOST}" = "Msys" ]
 	sleep 3
 
 	if [[ -n ${CHECKS["disk"]} ]]; then
@@ -406,7 +450,7 @@ fi
 if [[ -n ${CHECKS["user-v2"]} ]]; then
 	INFO "Testing user-v2 network"
 	secondvm="$NAME-1"
-	"${LIMACTL_CREATE[@]}" --set ".additionalDisks=null" "$FILE" --name "$secondvm"
+	"${LIMACTL_CREATE[@]}" --set ".additionalDisks=null" "$FILE_HOST" --name "$secondvm"
 	if ! limactl start "$secondvm"; then
 		ERROR "Failed to start \"$secondvm\""
 		diagnose "$secondvm"
@@ -474,7 +518,8 @@ if [[ $NAME == "fedora" && "$(limactl ls --json "$NAME" | jq -r .vmType)" == "vz
 fi
 
 INFO "Stopping \"$NAME\""
-limactl stop "$NAME"
+# TODO https://github.com/lima-vm/lima/issues/3221
+limactl stop "$NAME" || [ "${OS_HOST}" = "Msys" ]
 sleep 3
 
 INFO "Deleting \"$NAME\""

pkg/osutil/user.go

@@ -144,13 +144,16 @@ func LimaUser(limaVersion string, warn bool) *user.User {
 			home, err := call([]string{"cygpath", limaUser.HomeDir})
 			if err != nil {
 				logrus.Debug(err)
+			} else {
+				home += ".linux"
 			}
 			if home == "" {
 				drive := filepath.VolumeName(limaUser.HomeDir)
 				home = filepath.ToSlash(limaUser.HomeDir)
 				// replace C: with /c
 				prefix := strings.ToLower(fmt.Sprintf("/%c", drive[0]))
 				home = strings.Replace(home, drive, prefix, 1)
+				home += ".linux"
 			}
 			if !regexPath.MatchString(limaUser.HomeDir) {
 				warning := fmt.Sprintf("local home %q is not a valid Linux path (must match %q); using %q home instead",