#!/bin/bash
# info: restart proxy server
# options: NONE
#
# The function reloads proxy server configuration.


#----------------------------------------------------------#
#                    Variable&Function                     #
#----------------------------------------------------------#

# Includes
source $VESTA/func/main.sh
source $VESTA/conf/vesta.conf
PATH="$PATH:/usr/local/sbin:/sbin:/usr/sbin:/root/bin"

send_email_report() {
    email=$(grep CONTACT $VESTA/data/users/admin/user.conf)
    email=$(echo "$email" | cut -f 2 -d "'")
    tmpfile=$(mktemp)
    subj="$(hostname): $PROXY_SYSTEM restart failed"
    service $PROXY_SYSTEM configtest >> $tmpfile 2>&1
    service $PROXY_SYSTEM restart >> $tmpfile 2>&1
    cat $tmpfile |$SENDMAIL -s "$subj" $email
    rm -f $tmpfile
}


#----------------------------------------------------------#
#                       Action                             #
#----------------------------------------------------------#

# Exit
if [ "$1" = "no" ]; then
    exit
fi

# Schedule restart
if [ "$1" = 'scheduled' ]; then
    echo "$BIN/$SCRIPT now" >> $VESTA/data/queue/restart.pipe
    exit
fi
if [ -z "$1" ] && [ "$SCHEDULED_RESTART" = 'yes' ]; then
    echo "$BIN/$SCRIPT now" >> $VESTA/data/queue/restart.pipe
    exit
fi

if [ -z "$PROXY_SYSTEM" ] || [ "$PROXY_SYSTEM" = 'remote' ]; then
    exit
fi

if [ -f "/usr/local/vesta/web/inc/nginx_proxy" ]; then

  # if vesta is behind default nginx, restart in background with 15 sec delay
  # background restart
  if [ "$1" = 'background' ]; then
      # Restart system
      sleep 25
      service $PROXY_SYSTEM restart >/dev/null 2>&1
      if [ $? -ne 0 ]; then
          send_email_report
          check_result $E_RESTART "$PROXY_SYSTEM restart failed"
      fi

      # Update restart queue
      if [ -e "$VESTA/data/queue/restart.pipe" ]; then
          sed -i "/$SCRIPT/d" $VESTA/data/queue/restart.pipe
      fi

      exit;
  fi

  # try to reload to get changes faster
  service $PROXY_SYSTEM reload
  
  # send to background process
  nohup $BIN/v-restart-proxy 'background' &>/dev/null &

else

  # Default behaviour
  # Restart system
  # service $PROXY_SYSTEM restart > /dev/null 2>&1
  systemctl reset-failed $PROXY_SYSTEM
  systemctl restart $PROXY_SYSTEM > /dev/null 2>&1
  if [ $? -ne 0 ]; then
      send_email_report
      check_result $E_RESTART "$PROXY_SYSTEM restart failed"
  fi

  # Update restart queue
  if [ -e "$VESTA/data/queue/restart.pipe" ]; then
      sed -i "/$SCRIPT/d" $VESTA/data/queue/restart.pipe
  fi

fi

#----------------------------------------------------------#
#                       Vesta                              #
#----------------------------------------------------------#

exit