#!/usr/bin/env bash
set -eo pipefail; [[ $DOKKU_TRACE ]] && set -x

if [[ ! -f  "$DOKKU_ROOT/HOSTNAME" ]]; then
  hostname -f > $DOKKU_ROOT/HOSTNAME
fi

if [[ ! -f  "$DOKKU_ROOT/VHOST" ]]; then
  [[ $(dig +short "$(< "$DOKKU_ROOT/HOSTNAME")") ]] && cp "$DOKKU_ROOT/HOSTNAME" "$DOKKU_ROOT/VHOST"
fi

# temporary hack for https://github.com/progrium/dokku/issues/82
# redeploys all apps after a reboot
case "$DOKKU_DISTRO" in
  ubuntu)
    cat<<EOF > /etc/init/dokku-redeploy.conf
description "Dokku app redeploy service"

start on filesystem and started docker

script
  sleep 2 # give docker some time
  sudo -i -u dokku /usr/local/bin/dokku ps:restartall
end script
EOF
    ;;

  opensuse)
    cat<<EOF > /etc/systemd/system/dokku-redeploy.service
[Unit]
Description=Dokku app redeploy service
After=docker.target

[Service]
Type=simple
User=dokku
ExecStart=/usr/local/bin/dokku ps:restartall

[Install]
WantedBy=multi-user.target
EOF
    ;;
esac


cat<<EOF > /etc/update-motd.d/99-dokku
#!/bin/sh

if [ ! -f "/home/dokku/HOSTNAME" ]; then
  echo "\nTo avoid cli-based dokku configuration, use the web installer"
  echo "Debian-based installs should have this running and available"
  echo "on port 80. You can also install it via the following commands:"
  echo ""
  echo "  cd /root/dokku"
  echo "  sudo make dokku-installer\n"
fi
EOF
chmod +x /etc/update-motd.d/99-dokku