feat: add script to build and test an image

Signed-off-by: Lars Wirzenius <liw@liw.fi>
Sponsored-by: author

1 files changed, 47 insertions, 0 deletions

diff --git a/build-and-test.sh b/build-and-test.sh
new file mode 100755
index 0000000..dd6cbfb
--- /dev/null
+++ b/build-and-test.sh
@@ -0,0 +1,47 @@
+#!/bin/bash
+
+set -euo pipefail
+
+image="$1"
+cache="$2"
+shift 2
+
+echo Building image.
+rm -f "$cache/ambient.tar.gz"
+./ambient-build-vm --data . --cache "$cache" --image "$image" "$@"
+
+tmp="$(mktemp -d)"
+trap 'rm -rf "$tmp"' EXIT
+
+mkdir "$tmp/files"
+cat <<EOF >"$tmp/files/run-ci"
+echo xyzzy
+EOF
+chmod +x "$tmp/files/run-ci"
+
+tar -cf "$tmp/run-ci.tar" -C "$tmp/files" .
+cp "$image" "$tmp/img.qcow2"
+
+QVMF_FD="/usr/share/ovmf/OVMF.fd"
+cp "$QVMF_FD" "$tmp/vars"
+
+echo Testing image.
+kvm \
+	-m 1024 \
+	-smp cpus=1 \
+	-display none \
+	-serial "file:/$tmp/log0" \
+	-serial "file:/$tmp/log1" \
+	-drive if=pflash,format=raw,unit=0,file="$QVMF_FD",readonly=on \
+	-drive if=pflash,format=raw,unit=1,file="$tmp/vars" \
+	-drive format=qcow2,if=virtio,file="$tmp/img.qcow2" \
+	-drive format=raw,if=virtio,file="$tmp/run-ci.tar",readonly=on \
+	-nodefaults
+
+if ! grep -q '^xyzzy' "$tmp/log1" >/dev/null; then
+	echo "FAILED to perform a simple CI run" 1>&2
+	cat -v "$tmp/log1"
+	exit 1
+fi
+
+echo "OK. $image is ready to use."