#!/usr/bin/env bash
# Roll back spark-server on ECS to the image tagged spark-server:rollback (stamped before last deploy).
# Does not reverse MySQL migrations — only the app container. See deploy/docker/README.md.
set -euo pipefail

DIR="$(cd "$(dirname "$0")" && pwd)"
# shellcheck source=lib.sh
source "$DIR/lib.sh"
deploy_lib_init

deploy_lib_need_tools

echo "==> rollback on $HOST (app only, no migrate)"
if ! deploy_lib_remote_rollback "$DATA"; then
	echo "rollback failed" >&2
	exit 1
fi
if ! deploy_lib_remote_health 12 5; then
	echo "rollback container unhealthy" >&2
	deploy_lib_remote_ps
	exit 1
fi
deploy_lib_remote_write_manifest "$DATA" "rollback" "(rollback-tag)" "rolled_back"
deploy_lib_remote_ps
echo "==> health OK after rollback"
"${SSH[@]}" "curl -fsS http://127.0.0.1:18080/healthz && echo && curl -fsS http://127.0.0.1:18080/readyz && echo"