#!/bin/sh -ex
# Environment variables:
# * INTERACTIVE: set to 1 to keep an interactive shell open after the script ran (for debugging)
# * FEED: binary package feed (e.g. "latest", "nightly")
# * KEEP_CACHE: set to 1 to keep downloaded binary packages (for development)
. "$(dirname "$0")/common.sh"

# Show usage
if [ "$#" -ne 1 ]; then
	echo "usage: repo-install-test.sh DISTRO"
	echo "DISTRO: debian or centos"
	exit 1
fi

DISTRO="$1"
docker_images_require "$DISTRO-repo-install-test"

[ -z "$FEED" ] && FEED="nightly"
CONTAINER="$DISTRO-repo-install-test-$FEED"

# Try to run "systemctl status" 10 times, kill the container on failure
check_if_systemd_is_running() {
	for i in $(seq 1 10); do
		sleep 1
		if docker exec "$CONTAINER" systemctl status; then
			return
		fi
	done

	echo "ERROR: systemd is not running properly."
	docker container kill "$CONTAINER"
	exit 1
}

# Kill already running container
if [ "$(docker inspect -f '{{.State.Running}}' "$CONTAINER" 2> /dev/null)" = "true" ]; then
	docker container kill "$CONTAINER"
	sleep 1
fi

# Additional docker run arguments
args=""
if [ -n "$KEEP_CACHE" ]; then
	args="$args -e KEEP_CACHE=1"
	args="$args -v $OSMO_CI_DIR/_repo_install_test_cache/debian/apt:/var/cache/apt"
	args="$args -v $OSMO_CI_DIR/_repo_install_test_cache/centos/dnf:/var/cache/dnf"
fi

# Run the container
# * This does not output anything, for debugging add -it and remove &.
# * /run, /tmp, cgroups, SYS_ADMIN: needed for systemd
# * SYS_NICE: needed for changing CPUScheduling{Policy,Priority} (osmo-bts systemd service files)
docker run	--rm \
		-v "$OSMO_CI_DIR/scripts/repo-install-test:/repo-install-test:ro" \
		--name "$CONTAINER" \
		-e FEED="$FEED" \
		-e DISTRO="$DISTRO" \
		-e container=docker \
		--tmpfs /run \
		--tmpfs /run/lock \
		--tmpfs /tmp \
		-v /sys/fs/cgroup:/sys/fs/cgroup:ro \
		--cap-add SYS_ADMIN \
		--cap-add SYS_NICE \
		$args \
		"$USER/$DISTRO-repo-install-test" \
		/lib/systemd/systemd &
check_if_systemd_is_running

# Run the test script
ret=0
if ! docker exec "$CONTAINER" /repo-install-test/run-inside-docker.sh; then
	ret=1
fi

# Interactive shell
if [ -n "$INTERACTIVE" ]; then
	docker exec -it "$CONTAINER" bash || true
fi

docker container kill "$CONTAINER"

exit $ret