#!/bin/bash
set -euo pipefail

if [ "$#" -ne 1 ]; then
  echo "usage: $0 /opt/lisglosips/releases/<release-id>" >&2
  exit 64
fi

target="$1"
case "$target" in
  /opt/lisglosips/releases/*) ;;
  *)
    echo "target must be under /opt/lisglosips/releases" >&2
    exit 64
    ;;
esac

target="$(readlink -f "$target")"
test -d "$target"
test -f "$target/package.json"

previous="$(readlink -f /opt/lisglosips/current)"
echo "previous=$previous"
echo "target=$target"

ln -sfn "$target" /opt/lisglosips/current
systemctl restart lisglosips@api lisglosips@cdr-worker lisglosips@recording-worker
nginx -t
systemctl reload nginx
curl --max-time 10 --fail --silent http://127.0.0.1:3000/api/v2/health/ready
echo
echo "rollback ok"