dejavu_management.php

<?php
error_reporting(E_ALL);
if ((php_sapi_name() != 'cli')) {
    trigger_error("You can only run this script from the command line\n", E_USER_ERROR);
}

require_once 'Console/Getopt.php';

$shortopt = 's:';
$longopt = Array('enable', 'disable', 'forget', 'status', 'disable_force');

$args = Console_Getopt::readPHPArgv();
array_shift($args);
$options = Console_Getopt::getopt($args, $shortopt, $longopt);

if ($options instanceof PEAR_Error) {
    usage();
}

if (empty($options[0])) usage();

$SYSTEM_ROOT = '';
$ACTION = '';

foreach ($options[0] as $option) {
    switch ($option[0]) {
        case 's':
            if (empty($option[1])) usage();
            if (!is_dir($option[1])) usage();
            $SYSTEM_ROOT = $option[1];
        break;
        
        default:
            $ACTION = $option[0];
        break;
    }
}

if (empty($SYSTEM_ROOT)) {
    echo "ERROR: You need to supply the path to the System Root as the first argument\n";
    usage();
}

if (!is_dir($SYSTEM_ROOT) || !is_readable($SYSTEM_ROOT.'/core/include/init.inc')) {
    echo "ERROR: Path provided doesn't point to a Matrix installation's System Root. Please provide correct path and try again.\n";
    usage();
}

if($ACTION === '--disable_force') {
    // forcibly disable deja vu before even include init.inc
    file_put_contents($SYSTEM_ROOT.'/data/private/conf/.dejavu', '0');
    echo "Deja Vu is forcibly disabled.\n";
    exit();
}

require_once $SYSTEM_ROOT.'/core/include/init.inc';
require_once $SYSTEM_ROOT.'/core/include/deja_vu.inc';

$deja_vu = new Deja_Vu();
switch ($ACTION) {
    case '--status':
        if ($deja_vu->enabled() == FALSE) {
            echo "Deja Vu is currently disabled.\n";
        } else {
            echo "Deja Vu is currently enabled.\n";
        }
        break;
    case '--enable':
        if ($deja_vu->enabled() == TRUE) {
            echo "Deja Vu is already enabled.\n";
        } else {
            // Make sure memcache is setup properly before enable deja vu. 
            assert_true(extension_loaded('memcache'), 'Cannot use Deja Vu; it requires the memcache PECL extension installed within , which is not installed');
            assert_true(is_file(SQ_DATA_PATH.'/private/conf/memcache.inc'), 'Cannot use Deja Vu; the Memcache configuration file is not set');

            $memcache_conf = require(SQ_DATA_PATH.'/private/conf/memcache.inc');
            $hosts =& $memcache_conf['hosts'];
            $services =& $memcache_conf['services'];

            assert_true(count($hosts) > 0, 'Cannot use Deja Vu; no hosts are defined in the Memcache configuration file');
            assert_true(array_key_exists('deja_vu', $services) === TRUE, 'Cannot use Deja Vu; no Memcache hosts are assigned');
            assert_true(count($services['deja_vu']) > 0, 'Cannot use Deja Vu; no Memcache hosts are assigned');
            
            echo "Enabling Deja Vu...\n";
            if ($deja_vu->enable()) {
                $d_vu = new Deja_Vu();
                if ($d_vu) {
                    echo "Forgetting everything previously remembered...\n";
                    if ($d_vu->forgetAll()) {
                        echo "[DONE]\n";
                        break;
                    }
                } else{
                    echo "what?\n";
                }
            }
            echo "[FAILED]\n";
        }
        break;
    case '--disable':
        if ($deja_vu->enabled() == FALSE) {
            echo "Deja Vu is already disabled.\n";
        } else {
            echo "Disabling Deja Vu...\n";
            if ($deja_vu->disable()) {
                echo "[DONE]\n";
            } else {
                echo "[FAILED]\n";
            }
        }
        break;
    case '--forget':
        if ($deja_vu->enabled() == FALSE) {
            echo "Deja Vu is currently disabled.\n";
        } else {
            echo "Forgetting everything in Deja Vu...\n";
            if ($deja_vu->forgetAll()) {
                echo "[DONE]\n";
            } else {
                echo "[FAILED]\n";
            }
        }
        break;
    default:
        usage();
        break;
}


function usage()
{
    echo "\nUSAGE: dejavu_management.php -s <system_root> [--enable] [--disable] [--forget]\n".
        "--enable           Enables Deja Vu in MySource Matrix\n".
        "--disable          Disables Deja Vu in MySource Matrix\n".
        "--disable_force            Forcibly disables Deja Vu by editing control file\n".
        "--forget           Forgets all Deja Vu data in MySource Matrix\n".
        "--status           Checks the current Deja Vu status\n".
        "\nNOTE: only one of [--enable --disable --forget] option is allowed to be specified\n";
    exit();

}//end usage()
?>