#!/usr/bin/env bash
set +e

if [ "${INFINITO_KEEP_SWARM_NODES}" = "true" ]; then
	echo "INFINITO_KEEP_SWARM_NODES=true -> preserving swarm cluster for post-mortem inspection."
	echo "Inspect: make swarm-exec node=swarm-mgr-01 cmd='docker service ls'"
	echo "Release: make swarm-down"
	exit 0
fi

# shellcheck source=scripts/tests/deploy/swarm/utils/topology/base.sh
. "$(dirname "$0")/../topology/base.sh"

REPO_ROOT="$(cd "$(dirname "$0")/../../../../../.." && pwd)"
DIR_VAR_LIB="$(python3 -c "import yaml,sys;print(yaml.safe_load(open(sys.argv[1]))['DIR_VAR_LIB'])" \
	"${REPO_ROOT}/group_vars/all/05_paths.yml")"

timeout 120 bash "$(dirname "$0")/../unmount/nfs_mounts.sh" "${MGR}" "${WRK1}" "${WRK2}" "${NFS_SERVER}" || true # nocheck: shell-or-true -- grandfathered: worked in practice; TODO: sharpen to catch only the exact tolerated error

bash "$(dirname "$0")/../unmount/host_state.sh" "${DIR_VAR_LIB}"

timeout 30 docker exec "${NFS_SERVER}" systemctl stop nfs-ganesha 2>/dev/null || true # nocheck: shell-or-true -- grandfathered: worked in practice; TODO: sharpen to catch only the exact tolerated error

for _node in "${MGR}" "${WRK1}" "${WRK2}" "${NFS_SERVER}" "${BACKUP_NODE}"; do
	timeout 15 docker network disconnect -f "${SWARM_LAB_NETWORK}" "${_node}" 2>/dev/null
	for _try in 1 2 3 4 5; do
		timeout 20 docker kill -s KILL "${_node}" 2>/dev/null
		timeout 20 docker rm -f "${_node}" 2>/dev/null
		timeout 15 docker inspect "${_node}" >/dev/null 2>&1 || break
		sleep 2
	done
	if timeout 15 docker inspect "${_node}" >/dev/null 2>&1; then
		echo "WARNING: could not remove '${_node}' (kernel D-state? stuck NFS mount); a host reboot may be required." >&2
	fi
done
timeout 30 docker network rm "${SWARM_LAB_NETWORK}" 2>/dev/null
timeout 30 docker volume rm "${NFS_EXPORT_VOLUME}" 2>/dev/null
exit 0