zoneminder.install


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post_install() {
    echo
    echo "   ZoneMinder has been installed but some additional steps are required:"
    echo
    echo "1) You will need to install a MySQL-compatible database server and create a database and user"
    echo "   for ZoneMinder. Then you will need to start the following systemd service:"
    echo
    echo "   * mariadb.service"
    echo
    echo "2) You will need to install a web server and configure it to serve ZoneMinder's web interface,"
    echo "   located at /usr/share/webapps/zoneminder/. Premade configurations are provided for Apache and"
    echo "   Nginx; you can find them at /etc/httpd/conf/extra for Apache and /etc/nginx/sites-available for"
    echo "   Nginx. After you install the web server, you will need to start the following systemd services:"
    echo
    echo "   * nginx.service (for Nginx)"
    echo "   * httpd.service (for Apache)"
    echo
    echo "   ZoneMinder's default network address is http://localhost:8095"
    echo
    echo "3) If you choose to use Nginx, you will also need to install fcgiwrap, spawn-fcgi and multiwatch"
    echo "   and then start the following systemd service (also provided by this package):"
    echo
    echo "   * fcgiwrap-multiwatch.service"
    echo
    echo "4) After the previous steps are complete, you will also need to refresh systemd's tmpfiles and then"
    echo "   start the following systemd services:"
    echo
    echo "   * php-fpm.service"
    echo "   * zoneminder.service"
    echo
    echo
    echo "   For more detailed info on how to configure ZoneMinder, you should check the following links:"
    echo
    echo "   * https://wiki.archlinux.org/index.php/ZoneMinder"
    echo "   * https://zoneminder.readthedocs.io/en/latest/"
    echo
    echo "   You can also run '/usr/bin/zmsetup.sh' if you wish to automate part or all of the configuration process."
    echo
    echo "   Bug reports and packaging suggestions are always welcome at https://aur.archlinux.org/packages/zoneminder/"
    echo
}

post_upgrade() {
    echo        
    systemctl daemon-reload
    
    # Parse zm.conf and all custom configuration files
    . /etc/zoneminder/zm.conf
    for CONF in /etc/zoneminder/conf.d/*.conf
    do
        . $CONF
    done
    
    # Check if we're running a local database server
    if [[ "$ZM_DB_HOST" = "localhost" ]] || [[ "$ZM_DB_HOST" = "127.0.0.1"* ]]
    then        
        # Check if our database is MariaDB
        if [[ "$(pacman -Qs mariadb)" = *"local/mariadb "* ]]
        then
            # Make sure MariaDB is running before we attempt to use the updater
            systemctl is-active --quiet mariadb || systemctl start mariadb
            
            # Make sure ZoneMinder is *NOT* running before we attempt to use the updater
            systemctl is-active --quiet zoneminder && systemctl stop zoneminder
            
            # Run the updater
            /usr/bin/zmupdate.pl --nointeractive
            /usr/bin/zmupdate.pl --nointeractive --freshen > /dev/null 2>&1
            
            # Update PTZ control presets
            /usr/bin/zmcamtool.pl --import > /dev/null 2>&1
        
            # Start ZoneMinder
            systemctl start zoneminder || echo "ERROR: zoneminder.service could not be started, something is wrong"
        else
            echo "ERROR: MariaDB was not found, please update ZoneMinder's database manually"
            echo
        fi
    fi
}

post_remove() {
    systemctl daemon-reload && systemctl is-active --quiet zoneminder && systemctl stop zoneminder

    # Disable ZoneMinder's Apache VirtualHost
    if [ -f /etc/httpd/conf/httpd.conf ]
    then
        sed -i '/zoneminder.conf/d' /etc/httpd/conf/httpd.conf
    fi
    
    # Disable ZoneMinder's Nginx server block
    if [ -h /etc/nginx/sites-enabled/zoneminder.conf ]
    then
        rm /etc/nginx/sites-enabled/zoneminder.conf
        
        # If the sites-enabled directory is empty, remove it as well and also remove reference in nginx.conf
        if [ -z "$(ls -A /etc/nginx/sites-enabled)" ]
        then
            rm -r /etc/nginx/sites-enabled
            sed -i '/sites-enabled/d' /etc/nginx/nginx.conf
        fi
    fi
    
    # Notify user about ZoneMinder's database and user not being removed
    if [ -d /var/lib/mysql/zm ]
    then
        echo
        echo "ZoneMinder's database and user have been left intact. You can remove them by running the following:"
        echo
        echo "mysql -uroot -p -e \"drop database zm;\""
        echo "mysql -uroot -p -e \"drop user 'zmuser'@localhost;\""
        echo
        echo "If you haven't yet configured a password for the database root user, omit the '-p' option."
        echo
    fi
}