#!/bin/sh
# Restores a backup made by backup.sh into a running QM Docker deployment
# whose deployment folder and CLI state came from the same archive.
# Usage: restore.sh BACKUP.tar [org]
set -eu
archive="$1"
org="${2:-team}"
work="$(mktemp -d)"
trap 'rm -rf "$work"' EXIT
tar -C "$work" -xf "$archive"
tool_image="$(docker inspect -f '{{.Config.Image}}' "qm-$org-pg")"
apps="qm-$org-core qm-$org-portal qm-$org-web-ui"

docker stop $apps >/dev/null
sandboxes="$(docker ps -aq --filter name='^qm-sbx-')"
[ -z "$sandboxes" ] || docker rm -f $sandboxes >/dev/null
docker exec "qm-$org-pg" dropdb -U postgres --force qm
docker exec "qm-$org-pg" createdb -U postgres qm
docker exec -i "qm-$org-pg" pg_restore -U postgres -d qm --exit-on-error < "$work/qm.dump"
for file in "$work"/volumes/*.tgz; do
  vol="$(basename "$file" .tgz)"
  docker volume create "$vol" >/dev/null
  docker run --rm -i --network none -v "$vol:/v" --entrypoint sh "$tool_image" \
    -c 'find /v -mindepth 1 -delete && tar -C /v -xzf -' < "$file"
done
docker start $apps >/dev/null
echo "restored $archive"