#!/bin/bash

# Copyright 2019 The Kubernetes Authors 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.

# Periodically cleanup and reboot if no Jenkins subprocesses are running.
set -uf -o pipefail

PATH=/usr/local/bin:/sbin:/usr/local/sbin:$PATH
if [ "$(uname -p)" = "arm" ]; then
  PATH=$PATH:/opt/homebrew/bin
fi

# cleanup shared between Linux and macOS
function check_jenkins() {
  jenkins_pid="$(pidof java)"
  if [ "${jenkins_pid}" = "" ]; then
          return
  fi
  pstree "${jenkins_pid}" \
        | grep -E -i 'bash|integration|e2e|minikube' \
        && echo "tests are is running on pid ${jenkins_pid} ..." \
        && exit 1
}

check_jenkins
logger "cleanup_and_reboot running - may shutdown in 60 seconds"
echo "cleanup_and_reboot running - may shutdown in 60 seconds" | wall
sleep 10
check_jenkins
logger "cleanup_and_reboot is happening!"

# kill jenkins to avoid an incoming request
killall java

# clean docker left overs
docker rm -f -v "$(docker ps -aq)" >/dev/null 2>&1 || true
docker volume prune -f || true
docker volume ls || true
docker system df || true


# macOS specific cleanup
sudo rm /var/db/dhcpd_leases || echo "could not clear dhcpd leases"
sudo softwareupdate -i -a -R
sudo reboot