# flag pattern: %%{apache_restart_flag}        restart all

#               %%{apache_restart_flag}@       restart apache2.service

#               %%{apache_restarT_flag}@<name> restart apache2@<name>.service

%apache_restart_flag /var/run/httpd.restart.flag

​

#

# macro: apache_module_request_restart -- request restart of the apache

#        instance(s) after rpm or zypper transaction

#

#        usage: apache_request_restart [-m module]

#

#        module: restart every instance for which a2enmod -q <module> is true; if

#                no module specified, request restart of all instances

#

%apache_request_restart(m:) \

  if [ -x /usr/bin/systemctl ]; then \

    MODULE=%{-m:%{-m*}} \

    if [ -z "$MODULE" ]; then \

      # restart all instances \

      touch %{apache_restart_flag} \

      echo 'Requesting apache restart (all instances)' \

    else \

      running_units=$(systemctl list-units | grep 'apache2\\(@.*\\)\\?.service' | sed 's:\\(\\.service\\).*:\\1:') \

      for unit in $running_units; do \

        instance_name=$(echo $unit | sed 's:apache2@\\?\\(.*\\).service:\\1:') \

        if HTTPD_INSTANCE="$instance_name" a2enmod -q $MODULE; then \

          # restart only specified instance, %%{apache_restart_flag}@ \

          # means _only_ apache2.service \

          echo "$instance_name" > %{apache_restart_flag}@$instance_name \

          echo "Requesting apache restart ($instance_name instance)" \

        fi \

      done \

    fi \

  fi \

  %nil

#

# macro: apache_module_restart_if_needed 

#

#

%apache_restart_if_needed() \

  if [ -x /usr/bin/systemctl ]; then \

    if [ -e %{apache_restart_flag} ]; then \

      /usr/bin/systemctl daemon-reload > /dev/null 2>&1 || : \

      /usr/bin/systemctl restart apache2.target > /dev/null 2>&1 || : \

      echo 'Restarting apache (all instances)' \

      # all instances was restarted, removing all flags \

      rm %{apache_restart_flag}* \

    else \

      /usr/bin/systemctl daemon-reload > /dev/null 2>&1 || : \

      for flag in %{apache_restart_flag}@*; do \

        if [ ! -e $flag ]; then \

          # %%{apache_restart_flag}@* have not matched anything \

          break \

        fi \

        instance_name=$(cat $flag) \

        if [ -z "$instance_name" ]; then \

          instance_suffix="" \

        else \

          instance_suffix="@$instance_name" \

        fi \

        echo "Restarting apache ($instance_name instance)" \

        /usr/bin/systemctl restart apache2${instance_suffix}.service > /dev/null 2>&1 || : \

        rm %{apache_restart_flag}@$instance_name \

      done \

    fi \

  fi \

  %nil

​

​