GitHub Actions: build and test grml-debootstrap in PRs

[grml-debootstrap.git] / tests / build-vm-and-test.sh

diff --git a/tests/build-vm-and-test.sh b/tests/build-vm-and-test.sh
new file mode 100755 (executable)
index 0000000..1dc4bbc
--- /dev/null
+++ b/tests/build-vm-and-test.sh
@@ -0,0 +1,78 @@
+#!/bin/bash
+# SPDX-License-Identifier: GPL-2.0-or-later
+#
+# Install an already built grml-debootstrap.deb in docker and use it to
+# build a test VM image. Then run this VM image in qemu and check if it
+# boots.
+
+set -eu -o pipefail
+
+usage() {
+  echo "Usage: $0 setup"
+  echo " then: $0 run"
+  echo " then: $0 test"
+  echo "WARNING: $0 is potentially dangerous and may destroy the host system and/or any data."
+  exit 0
+}
+
+if [ "${1:-}" == "--help" ] || [ "${1:-}" == "help" ]; then
+  usage
+fi
+
+if [ -z "${1:-}" ]; then
+  echo "$0: unknown parameters, see --help" >&2
+  exit 1
+fi
+
+set -x
+
+if [ ! -d ./tests ]; then
+  echo "$0: Started from incorrect working directory" >&2
+  exit 1
+fi
+
+if [ "$1" == "setup" ]; then
+  [ -x ./tests/goss ] || curl -fsSL https://goss.rocks/install | GOSS_DST="$(pwd)/tests" sh
+  sudo apt-get update
+  sudo apt-get -y install qemu-system-x86 kpartx python3-pexpect python3-serial
+  # TODO: docker.io
+  exit 0
+fi
+
+# Debian version to install using grml-debootstrap
+RELEASE="${RELEASE:-bookworm}"
+
+TARGET="${TARGET:-qemu.img}"
+
+# debootstrap to use, default empty (let grml-debootstrap decide)
+DEBOOTSTRAP="${DEBOOTSTRAP:-}"
+
+if [ "$1" == "run" ]; then
+  # Debian version on which grml-debootstrap will *run*
+  HOST_RELEASE="${HOST_RELEASE:-bookworm}"
+
+  DEB_NAME=$(ls ./grml-debootstrap*.deb || true)
+  if [ -z "$DEB_NAME" ]; then
+    echo "$0: No grml-debootstrap*.deb found, aborting" >&2
+    exit 1
+  fi
+
+  # we need to run in privileged mode to be able to use loop devices
+  exec docker run --privileged --rm -i \
+    -v "$(pwd)":/code \
+    -e TERM="$TERM" \
+    -e DEBOOTSTRAP="$DEBOOTSTRAP" \
+    -w /code \
+    debian:"$HOST_RELEASE" \
+    bash -c './tests/docker-install-deb.sh '"$DEB_NAME"' && ./tests/docker-build-vm.sh '"$(id -u)"' '"/code/$TARGET"' '"$RELEASE"
+
+elif [ "$1" == "test" ]; then
+  # run tests from inside Debian system
+  exec ./tests/test-vm.sh "$PWD/$TARGET" "$RELEASE"
+
+else
+  echo "$0: unknown parameters, see --help" >&2
+  exit 1
+fi
+
+# EOF