#!/bin/sh
# Copyright 2018 Google Inc. All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

set -e
if [ "$1" = upgrade ]; then
  # Remove old services if they exist on upgrade.
  for svc in google-ip-forwarding-daemon google-network-setup \
    google-network-daemon google-accounts-daemon google-clock-skew-daemon \
    google-instance-setup; do
      if systemctl is-enabled ${svc}.service >/dev/null 2>&1; then
        systemctl --no-reload disable ${svc}.service >/dev/null 2>&1 || :
        if [ -d /run/systemd/system ]; then
          systemctl stop ${svc}.service >/dev/null 2>&1 || :
        fi
      fi
  done
  systemdctl daemon-reload >/dev/null 2>&1 || :
fi