CI: add upgrade test

Signed-off-by: Akihiro Suda <akihiro.suda.cz@hco.ntt.co.jp>

.github/workflows/test.yml

@@ -140,6 +140,35 @@ jobs:
     # GHA macOS is slow and flaky, so we only test a few YAMLS here.
     # Other yamls are tested on Linux instances of Cirrus.
 
+  upgrade:
+    name: "Upgrade test"
+    runs-on: macos-11
+    timeout-minutes: 120
+    strategy:
+      matrix:
+        oldver: ["v0.8.0"]
+    steps:
+    - uses: actions/setup-go@v2
+      with:
+        go-version: 1.17.x
+    - uses: actions/checkout@v3
+      with:
+        fetch-depth: 0
+    - name: Install test dependencies
+      run: brew install qemu bash coreutils
+    - name: Cache ~/Library/Caches/lima/download
+      uses: actions/cache@v2
+      with:
+        path: ~/Library/Caches/lima/download
+        key: ${{ runner.os }}-upgrade-${{ matrix.oldver }}
+    - name: Test
+      uses: nick-invision/retry@v2
+      with:
+        timeout_minutes: 30
+        retry_on: error
+        max_attempts: 3
+        command: ./hack/test-upgrade.sh ${{ matrix.oldver }} ${{ github.sha }}
+
   artifacts-darwin:
     name: Artifacts Darwin
     runs-on: macos-11

.shellcheckrc

@@ -0,0 +1 @@
+source-path=SCRIPTDIR

hack/common.inc.sh

@@ -0,0 +1,24 @@
+# shellcheck shell=bash
+cleanup_cmd=""
+trap 'eval ${cleanup_cmd}' EXIT
+function defer {
+	[ -n "${cleanup_cmd}" ] && cleanup_cmd="${cleanup_cmd}; "
+	cleanup_cmd="${cleanup_cmd}$1"
+}
+
+function INFO() {
+	echo "TEST| [INFO] $*"
+}
+
+function WARNING() {
+	echo >&2 "TEST| [WARNING] $*"
+}
+
+function ERROR() {
+	echo >&2 "TEST| [ERROR] $*"
+}
+
+if [[ ${BASH_VERSINFO:-0} -lt 4 ]]; then
+	ERROR "Bash version is too old: ${BASH_VERSION}"
+	exit 1
+fi

hack/test-example.sh

@@ -2,30 +2,8 @@
 set -eu -o pipefail
 
 scriptdir="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
-
-cleanup_cmd=""
-trap 'eval ${cleanup_cmd}' EXIT
-function defer {
-	[ -n "${cleanup_cmd}" ] && cleanup_cmd="${cleanup_cmd}; "
-	cleanup_cmd="${cleanup_cmd}$1"
-}
-
-function INFO() {
-	echo "TEST| [INFO] $*"
-}
-
-function WARNING() {
-	echo >&2 "TEST| [WARNING] $*"
-}
-
-function ERROR() {
-	echo >&2 "TEST| [ERROR] $*"
-}
-
-if [[ ${BASH_VERSINFO:-0} -lt 4 ]]; then
-	ERROR "Bash version is too old: ${BASH_VERSION}"
-	exit 1
-fi
+# shellcheck source=common.inc.sh
+source "${scriptdir}/common.inc.sh"
 
 if [ "$#" -ne 1 ]; then
 	ERROR "Usage: $0 FILE.yaml"
@@ -153,19 +131,7 @@ if [[ -n ${CHECKS["systemd"]} ]]; then
 fi
 
 if [[ -n ${CHECKS["mount-home"]} ]]; then
-	hometmp="$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 "$hometmp/random")"
-	INFO "$hometmp/random: expected=${expected}, got=${got}"
-	if [ "$got" != "$expected" ]; then
-		ERROR "Home directory is not shared?"
-		exit 1
-	fi
+	"${scriptdir}"/test-mount-home.sh "$NAME"
 fi
 
 # Use GHCR to avoid hitting Docker Hub rate limit

hack/test-mount-home.sh

@@ -0,0 +1,26 @@
+#!/usr/bin/env bash
+set -eu -o pipefail
+
+scriptdir="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+# shellcheck source=common.inc.sh
+source "${scriptdir}/common.inc.sh"
+
+if [ "$#" -ne 1 ]; then
+	ERROR "Usage: $0 NAME"
+	exit 1
+fi
+
+NAME="$1"
+hometmp="$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 "$hometmp/random")"
+INFO "$hometmp/random: expected=${expected}, got=${got}"
+if [ "$got" != "$expected" ]; then
+	ERROR "Home directory is not shared?"
+	exit 1
+fi

hack/test-upgrade.sh

@@ -0,0 +1,83 @@
+#!/usr/bin/env bash
+set -eu -o pipefail
+
+scriptdir="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+# shellcheck source=common.inc.sh
+source "${scriptdir}/common.inc.sh"
+cd "${scriptdir}/.."
+
+if [ "$#" -ne 2 ]; then
+	ERROR "Usage: $0 OLDVER NEWVER"
+	exit 1
+fi
+
+OLDVER="$1"
+NEWVER="$2"
+
+PREFIX="/usr/local"
+function install_lima() {
+	ver="$1"
+	git checkout "${ver}"
+	make clean
+	make
+	if [ -w "${PREFIX}/bin" ] && [ -w "${PREFIX}/share" ]; then
+		make install
+	else
+		sudo make install
+	fi
+}
+
+function uninstall_lima() {
+	files="${PREFIX}/bin/lima ${PREFIX}/bin/limactl ${PREFIX}/share/lima ${PREFIX}/share/doc/lima"
+	if [ -w "${PREFIX}/bin" ] && [ -w "${PREFIX}/share" ]; then
+		# shellcheck disable=SC2086
+		rm -rf $files
+	else
+		# shellcheck disable=SC2086
+		sudo rm -rf $files
+	fi
+}
+
+INFO "Uninstalling lima"
+uninstall_lima
+
+INFO "Installing the old Lima ${OLDVER}"
+install_lima "${OLDVER}"
+
+export LIMA_INSTANCE="test-upgrade"
+
+INFO "Creating an instance \"${LIMA_INSTANCE}\" with the old Lima"
+defer "limactl delete -f \"${LIMA_INSTANCE}\""
+limactl start --tty=false "${LIMA_INSTANCE}"
+lima nerdctl info
+
+image_name="lima-test-upgrade-containerd-${RANDOM}"
+image_context="${HOME}/${image_name}"
+INFO "Building containerd image \"${image_name}\" from \"${image_context}\""
+defer "rm -rf \"${image_context}\""
+mkdir -p "${image_context}"
+cat <<EOF >"${image_context}"/Dockerfile
+# Use GHCR to avoid hitting Docker Hub rate limit
+FROM ghcr.io/containerd/alpine:3.14.0
+CMD ["echo", "Built with Lima ${OLDVER}"]
+EOF
+lima nerdctl build -t "${image_name}" "${image_context}"
+lima nerdctl run --rm "${image_name}"
+
+INFO "Stopping the instance"
+limactl stop "${LIMA_INSTANCE}"
+
+INFO "=============================================================================="
+
+INFO "Installing the new Lima ${NEWVER}"
+install_lima "${NEWVER}"
+
+INFO "Restarting the instance"
+limactl start --tty=false "${LIMA_INSTANCE}"
+lima nerdctl info
+
+INFO "Confirming that the host filesystem is still mounted"
+"${scriptdir}"/test-mount-home.sh "${LIMA_INSTANCE}"
+
+INFO "Confirming that the image \"${image_name}\" still exists"
+lima nerdctl run --rm "${image_name}"