Ejemplo n.º 1
0
 /**
  * Do the job.
  * Throw exceptions on errors (the job will be retried).
  */
 public function execute()
 {
     global $CFG;
     // Run automated backups if required - these may take a long time to execute.
     require_once $CFG->dirroot . '/backup/util/includes/backup_includes.php';
     require_once $CFG->dirroot . '/backup/util/helper/backup_cron_helper.class.php';
     \backup_cron_automated_helper::run_automated_backup();
 }
 /**
  * Gets the state of the automated backup system.
  *
  * @global moodle_database $DB
  * @return int One of self::STATE_*
  */
 public static function get_automated_backup_state($rundirective = self::RUN_ON_SCHEDULE)
 {
     global $DB;
     $config = get_config('backup');
     $active = (int) $config->backup_auto_active;
     $weekdays = (string) $config->backup_auto_weekdays;
     // In case of automated backup also check that it is scheduled for at least one weekday.
     if ($active === self::AUTO_BACKUP_DISABLED || $rundirective == self::RUN_ON_SCHEDULE && $active === self::AUTO_BACKUP_MANUAL || $rundirective == self::RUN_ON_SCHEDULE && strpos($weekdays, '1') === false) {
         return self::STATE_DISABLED;
     } else {
         if (!empty($config->backup_auto_running)) {
             // Detect if the backup_auto_running semaphore is a valid one
             // by looking for recent activity in the backup_controllers table
             // for backups of type backup::MODE_AUTOMATED
             $timetosee = 60 * 90;
             // Time to consider in order to clean the semaphore
             $params = array('purpose' => backup::MODE_AUTOMATED, 'timetolook' => time() - $timetosee);
             if ($DB->record_exists_select('backup_controllers', "operation = 'backup' AND type = 'course' AND purpose = :purpose AND timemodified > :timetolook", $params)) {
                 return self::STATE_RUNNING;
                 // Recent activity found, still running
             } else {
                 // No recent activity found, let's clean the semaphore
                 mtrace('Automated backups activity not found in last ' . (int) $timetosee / 60 . ' minutes. Cleaning running status');
                 backup_cron_automated_helper::set_state_running(false);
             }
         }
     }
     return self::STATE_OK;
 }
Ejemplo n.º 3
0
/**
 * Execute cron tasks
 */
function cron_run()
{
    global $DB, $CFG, $OUTPUT;
    if (CLI_MAINTENANCE) {
        echo "CLI maintenance mode active, cron execution suspended.\n";
        exit(1);
    }
    if (moodle_needs_upgrading()) {
        echo "Moodle upgrade pending, cron execution suspended.\n";
        exit(1);
    }
    require_once $CFG->libdir . '/adminlib.php';
    require_once $CFG->libdir . '/gradelib.php';
    if (!empty($CFG->showcronsql)) {
        $DB->set_debug(true);
    }
    if (!empty($CFG->showcrondebugging)) {
        set_debugging(DEBUG_DEVELOPER, true);
    }
    set_time_limit(0);
    $starttime = microtime();
    // Increase memory limit
    raise_memory_limit(MEMORY_EXTRA);
    // Emulate normal session - we use admin accoutn by default
    cron_setup_user();
    // Start output log
    $timenow = time();
    mtrace("Server Time: " . date('r', $timenow) . "\n\n");
    // Run cleanup core cron jobs, but not every time since they aren't too important.
    // These don't have a timer to reduce load, so we'll use a random number
    // to randomly choose the percentage of times we should run these jobs.
    $random100 = rand(0, 100);
    if ($random100 < 20) {
        // Approximately 20% of the time.
        mtrace("Running clean-up tasks...");
        cron_trace_time_and_memory();
        // Delete users who haven't confirmed within required period
        if (!empty($CFG->deleteunconfirmed)) {
            $cuttime = $timenow - $CFG->deleteunconfirmed * 3600;
            $rs = $DB->get_recordset_sql("SELECT *\n                                             FROM {user}\n                                            WHERE confirmed = 0 AND firstaccess > 0\n                                                  AND firstaccess < ?", array($cuttime));
            foreach ($rs as $user) {
                delete_user($user);
                // we MUST delete user properly first
                $DB->delete_records('user', array('id' => $user->id));
                // this is a bloody hack, but it might work
                mtrace(" Deleted unconfirmed user for " . fullname($user, true) . " ({$user->id})");
            }
            $rs->close();
        }
        // Delete users who haven't completed profile within required period
        if (!empty($CFG->deleteincompleteusers)) {
            $cuttime = $timenow - $CFG->deleteincompleteusers * 3600;
            $rs = $DB->get_recordset_sql("SELECT *\n                                             FROM {user}\n                                            WHERE confirmed = 1 AND lastaccess > 0\n                                                  AND lastaccess < ? AND deleted = 0\n                                                  AND (lastname = '' OR firstname = '' OR email = '')", array($cuttime));
            foreach ($rs as $user) {
                if (isguestuser($user) or is_siteadmin($user)) {
                    continue;
                }
                delete_user($user);
                mtrace(" Deleted not fully setup user {$user->username} ({$user->id})");
            }
            $rs->close();
        }
        // Delete old logs to save space (this might need a timer to slow it down...)
        if (!empty($CFG->loglifetime)) {
            // value in days
            $loglifetime = $timenow - $CFG->loglifetime * 3600 * 24;
            $DB->delete_records_select("log", "time < ?", array($loglifetime));
            mtrace(" Deleted old log records");
        }
        // Delete old backup_controllers and logs.
        $loglifetime = get_config('backup', 'loglifetime');
        if (!empty($loglifetime)) {
            // Value in days.
            $loglifetime = $timenow - $loglifetime * 3600 * 24;
            // Delete child records from backup_logs.
            $DB->execute("DELETE FROM {backup_logs}\n                           WHERE EXISTS (\n                               SELECT 'x'\n                                 FROM {backup_controllers} bc\n                                WHERE bc.backupid = {backup_logs}.backupid\n                                  AND bc.timecreated < ?)", array($loglifetime));
            // Delete records from backup_controllers.
            $DB->execute("DELETE FROM {backup_controllers}\n                          WHERE timecreated < ?", array($loglifetime));
            mtrace(" Deleted old backup records");
        }
        // Delete old cached texts
        if (!empty($CFG->cachetext)) {
            // Defined in config.php
            $cachelifetime = time() - $CFG->cachetext - 60;
            // Add an extra minute to allow for really heavy sites
            $DB->delete_records_select('cache_text', "timemodified < ?", array($cachelifetime));
            mtrace(" Deleted old cache_text records");
        }
        if (!empty($CFG->usetags)) {
            require_once $CFG->dirroot . '/tag/lib.php';
            tag_cron();
            mtrace(' Executed tag cron');
        }
        // Context maintenance stuff
        context_helper::cleanup_instances();
        mtrace(' Cleaned up context instances');
        context_helper::build_all_paths(false);
        // If you suspect that the context paths are somehow corrupt
        // replace the line below with: context_helper::build_all_paths(true);
        mtrace(' Built context paths');
        // Remove expired cache flags
        gc_cache_flags();
        mtrace(' Cleaned cache flags');
        // Cleanup messaging
        if (!empty($CFG->messagingdeletereadnotificationsdelay)) {
            $notificationdeletetime = time() - $CFG->messagingdeletereadnotificationsdelay;
            $DB->delete_records_select('message_read', 'notification=1 AND timeread<:notificationdeletetime', array('notificationdeletetime' => $notificationdeletetime));
            mtrace(' Cleaned up read notifications');
        }
        mtrace(' Deleting temporary files...');
        cron_delete_from_temp();
        // Cleanup user password reset records
        // Delete any reset request records which are expired by more than a day.
        // (We keep recently expired requests around so we can give a different error msg to users who
        // are trying to user a recently expired reset attempt).
        $pwresettime = isset($CFG->pwresettime) ? $CFG->pwresettime : 1800;
        $earliestvalid = time() - $pwresettime - DAYSECS;
        $DB->delete_records_select('user_password_resets', "timerequested < ?", array($earliestvalid));
        mtrace(' Cleaned up old password reset records');
        mtrace("...finished clean-up tasks");
    }
    // End of occasional clean-up tasks
    // Send login failures notification - brute force protection in moodle is weak,
    // we should at least send notices early in each cron execution
    if (notify_login_failures()) {
        mtrace(' Notified login failures');
    }
    // Make sure all context instances are properly created - they may be required in auth, enrol, etc.
    context_helper::create_instances();
    mtrace(' Created missing context instances');
    // Session gc.
    mtrace("Running session gc tasks...");
    \core\session\manager::gc();
    mtrace("...finished stale session cleanup");
    // Run the auth cron, if any before enrolments
    // because it might add users that will be needed in enrol plugins
    $auths = get_enabled_auth_plugins();
    mtrace("Running auth crons if required...");
    cron_trace_time_and_memory();
    foreach ($auths as $auth) {
        $authplugin = get_auth_plugin($auth);
        if (method_exists($authplugin, 'cron')) {
            mtrace("Running cron for auth/{$auth}...");
            $authplugin->cron();
            if (!empty($authplugin->log)) {
                mtrace($authplugin->log);
            }
        }
        unset($authplugin);
    }
    // Generate new password emails for users - ppl expect these generated asap
    if ($DB->count_records('user_preferences', array('name' => 'create_password', 'value' => '1'))) {
        mtrace('Creating passwords for new users...');
        $usernamefields = get_all_user_name_fields(true, 'u');
        $newusers = $DB->get_recordset_sql("SELECT u.id as id, u.email,\n                                                 {$usernamefields}, u.username, u.lang,\n                                                 p.id as prefid\n                                            FROM {user} u\n                                            JOIN {user_preferences} p ON u.id=p.userid\n                                           WHERE p.name='create_password' AND p.value='1' AND u.email !='' AND u.suspended = 0 AND u.auth != 'nologin' AND u.deleted = 0");
        // note: we can not send emails to suspended accounts
        foreach ($newusers as $newuser) {
            // Use a low cost factor when generating bcrypt hash otherwise
            // hashing would be slow when emailing lots of users. Hashes
            // will be automatically updated to a higher cost factor the first
            // time the user logs in.
            if (setnew_password_and_mail($newuser, true)) {
                unset_user_preference('create_password', $newuser);
                set_user_preference('auth_forcepasswordchange', 1, $newuser);
            } else {
                trigger_error("Could not create and mail new user password!");
            }
        }
        $newusers->close();
    }
    // It is very important to run enrol early
    // because other plugins depend on correct enrolment info.
    mtrace("Running enrol crons if required...");
    $enrols = enrol_get_plugins(true);
    foreach ($enrols as $ename => $enrol) {
        // do this for all plugins, disabled plugins might want to cleanup stuff such as roles
        if (!$enrol->is_cron_required()) {
            continue;
        }
        mtrace("Running cron for enrol_{$ename}...");
        cron_trace_time_and_memory();
        $enrol->cron();
        $enrol->set_config('lastcron', time());
    }
    // Run all cron jobs for each module
    mtrace("Starting activity modules");
    get_mailer('buffer');
    if ($mods = $DB->get_records_select("modules", "cron > 0 AND ((? - lastcron) > cron) AND visible = 1", array($timenow))) {
        foreach ($mods as $mod) {
            $libfile = "{$CFG->dirroot}/mod/{$mod->name}/lib.php";
            if (file_exists($libfile)) {
                include_once $libfile;
                $cron_function = $mod->name . "_cron";
                if (function_exists($cron_function)) {
                    mtrace("Processing module function {$cron_function} ...", '');
                    cron_trace_time_and_memory();
                    $pre_dbqueries = null;
                    $pre_dbqueries = $DB->perf_get_queries();
                    $pre_time = microtime(1);
                    if ($cron_function()) {
                        $DB->set_field("modules", "lastcron", $timenow, array("id" => $mod->id));
                    }
                    if (isset($pre_dbqueries)) {
                        mtrace("... used " . ($DB->perf_get_queries() - $pre_dbqueries) . " dbqueries");
                        mtrace("... used " . (microtime(1) - $pre_time) . " seconds");
                    }
                    // Reset possible changes by modules to time_limit. MDL-11597
                    @set_time_limit(0);
                    mtrace("done.");
                }
            }
        }
    }
    get_mailer('close');
    mtrace("Finished activity modules");
    mtrace("Starting blocks");
    if ($blocks = $DB->get_records_select("block", "cron > 0 AND ((? - lastcron) > cron) AND visible = 1", array($timenow))) {
        // We will need the base class.
        require_once $CFG->dirroot . '/blocks/moodleblock.class.php';
        foreach ($blocks as $block) {
            $blockfile = $CFG->dirroot . '/blocks/' . $block->name . '/block_' . $block->name . '.php';
            if (file_exists($blockfile)) {
                require_once $blockfile;
                $classname = 'block_' . $block->name;
                $blockobj = new $classname();
                if (method_exists($blockobj, 'cron')) {
                    mtrace("Processing cron function for " . $block->name . '....', '');
                    cron_trace_time_and_memory();
                    if ($blockobj->cron()) {
                        $DB->set_field('block', 'lastcron', $timenow, array('id' => $block->id));
                    }
                    // Reset possible changes by blocks to time_limit. MDL-11597
                    @set_time_limit(0);
                    mtrace('done.');
                }
            }
        }
    }
    mtrace('Finished blocks');
    mtrace('Starting admin reports');
    cron_execute_plugin_type('report');
    mtrace('Finished admin reports');
    mtrace('Starting main gradebook job...');
    cron_trace_time_and_memory();
    grade_cron();
    mtrace('done.');
    mtrace('Starting processing the event queue...');
    cron_trace_time_and_memory();
    events_cron();
    mtrace('done.');
    if ($CFG->enablecompletion) {
        // Completion cron
        mtrace('Starting the completion cron...');
        cron_trace_time_and_memory();
        require_once $CFG->dirroot . '/completion/cron.php';
        completion_cron();
        mtrace('done');
    }
    if ($CFG->enableportfolios) {
        // Portfolio cron
        mtrace('Starting the portfolio cron...');
        cron_trace_time_and_memory();
        require_once $CFG->libdir . '/portfoliolib.php';
        portfolio_cron();
        mtrace('done');
    }
    //now do plagiarism checks
    require_once $CFG->libdir . '/plagiarismlib.php';
    plagiarism_cron();
    mtrace('Starting course reports');
    cron_execute_plugin_type('coursereport');
    mtrace('Finished course reports');
    // run gradebook import/export/report cron
    mtrace('Starting gradebook plugins');
    cron_execute_plugin_type('gradeimport');
    cron_execute_plugin_type('gradeexport');
    cron_execute_plugin_type('gradereport');
    mtrace('Finished gradebook plugins');
    // run calendar cron
    require_once "{$CFG->dirroot}/calendar/lib.php";
    calendar_cron();
    // Run external blog cron if needed
    if (!empty($CFG->enableblogs) && $CFG->useexternalblogs) {
        require_once $CFG->dirroot . '/blog/lib.php';
        mtrace("Fetching external blog entries...", '');
        cron_trace_time_and_memory();
        $sql = "timefetched < ? OR timefetched = 0";
        $externalblogs = $DB->get_records_select('blog_external', $sql, array(time() - $CFG->externalblogcrontime));
        foreach ($externalblogs as $eb) {
            blog_sync_external_entries($eb);
        }
        mtrace('done.');
    }
    // Run blog associations cleanup
    if (!empty($CFG->enableblogs) && $CFG->useblogassociations) {
        require_once $CFG->dirroot . '/blog/lib.php';
        // delete entries whose contextids no longer exists
        mtrace("Deleting blog associations linked to non-existent contexts...", '');
        cron_trace_time_and_memory();
        $DB->delete_records_select('blog_association', 'contextid NOT IN (SELECT id FROM {context})');
        mtrace('done.');
    }
    // Run question bank clean-up.
    mtrace("Starting the question bank cron...", '');
    cron_trace_time_and_memory();
    require_once $CFG->libdir . '/questionlib.php';
    question_bank::cron();
    mtrace('done.');
    //Run registration updated cron
    mtrace(get_string('siteupdatesstart', 'hub'));
    cron_trace_time_and_memory();
    require_once $CFG->dirroot . '/' . $CFG->admin . '/registration/lib.php';
    $registrationmanager = new registration_manager();
    $registrationmanager->cron();
    mtrace(get_string('siteupdatesend', 'hub'));
    // If enabled, fetch information about available updates and eventually notify site admins
    if (empty($CFG->disableupdatenotifications)) {
        $updateschecker = \core\update\checker::instance();
        $updateschecker->cron();
    }
    //cleanup old session linked tokens
    //deletes the session linked tokens that are over a day old.
    mtrace("Deleting session linked tokens more than one day old...", '');
    cron_trace_time_and_memory();
    $DB->delete_records_select('external_tokens', 'lastaccess < :onedayago AND tokentype = :tokentype', array('onedayago' => time() - DAYSECS, 'tokentype' => EXTERNAL_TOKEN_EMBEDDED));
    mtrace('done.');
    // all other plugins
    cron_execute_plugin_type('message', 'message plugins');
    cron_execute_plugin_type('filter', 'filters');
    cron_execute_plugin_type('editor', 'editors');
    cron_execute_plugin_type('format', 'course formats');
    cron_execute_plugin_type('profilefield', 'profile fields');
    cron_execute_plugin_type('webservice', 'webservices');
    cron_execute_plugin_type('repository', 'repository plugins');
    cron_execute_plugin_type('qbehaviour', 'question behaviours');
    cron_execute_plugin_type('qformat', 'question import/export formats');
    cron_execute_plugin_type('qtype', 'question types');
    cron_execute_plugin_type('plagiarism', 'plagiarism plugins');
    cron_execute_plugin_type('theme', 'themes');
    cron_execute_plugin_type('tool', 'admin tools');
    // and finally run any local cronjobs, if any
    if ($locals = core_component::get_plugin_list('local')) {
        mtrace('Processing customized cron scripts ...', '');
        // new cron functions in lib.php first
        cron_execute_plugin_type('local');
        // legacy cron files are executed directly
        foreach ($locals as $local => $localdir) {
            if (file_exists("{$localdir}/cron.php")) {
                include "{$localdir}/cron.php";
            }
        }
        mtrace('done.');
    }
    mtrace('Running cache cron routines');
    cache_helper::cron();
    mtrace('done.');
    // Run automated backups if required - these may take a long time to execute
    require_once $CFG->dirroot . '/backup/util/includes/backup_includes.php';
    require_once $CFG->dirroot . '/backup/util/helper/backup_cron_helper.class.php';
    backup_cron_automated_helper::run_automated_backup();
    // Run stats as at the end because they are known to take very long time on large sites
    if (!empty($CFG->enablestats) and empty($CFG->disablestatsprocessing)) {
        require_once $CFG->dirroot . '/lib/statslib.php';
        // check we're not before our runtime
        $timetocheck = stats_get_base_daily() + $CFG->statsruntimestarthour * 60 * 60 + $CFG->statsruntimestartminute * 60;
        if (time() > $timetocheck) {
            // process configured number of days as max (defaulting to 31)
            $maxdays = empty($CFG->statsruntimedays) ? 31 : abs($CFG->statsruntimedays);
            if (stats_cron_daily($maxdays)) {
                if (stats_cron_weekly()) {
                    if (stats_cron_monthly()) {
                        stats_clean_old();
                    }
                }
            }
            @set_time_limit(0);
        } else {
            mtrace('Next stats run after:' . userdate($timetocheck));
        }
    }
    // Run badges review cron.
    mtrace("Starting badges cron...");
    require_once $CFG->dirroot . '/badges/cron.php';
    badge_cron();
    mtrace('done.');
    // cleanup file trash - not very important
    $fs = get_file_storage();
    $fs->cron();
    mtrace("Cron script completed correctly");
    gc_collect_cycles();
    mtrace('Cron completed at ' . date('H:i:s') . '. Memory used ' . display_size(memory_get_usage()) . '.');
    $difftime = microtime_diff($starttime, microtime());
    mtrace("Execution took " . $difftime . " seconds");
}
Ejemplo n.º 4
0
    /**
     * Runs the automated backups if required
     *
     * @global moodle_database $DB
     */
    public static function run_automated_backup($rundirective = self::RUN_ON_SCHEDULE) {
        global $CFG, $DB;

        $status = true;
        $emailpending = false;
        $now = time();

        mtrace("Checking automated backup status",'...');
        $state = backup_cron_automated_helper::get_automated_backup_state($rundirective);
        if ($state === backup_cron_automated_helper::STATE_DISABLED) {
            mtrace('INACTIVE');
            return $state;
        } else if ($state === backup_cron_automated_helper::STATE_RUNNING) {
            mtrace('RUNNING');
            if ($rundirective == self::RUN_IMMEDIATELY) {
                mtrace('automated backups are already. If this script is being run by cron this constitues an error. You will need to increase the time between executions within cron.');
            } else {
                mtrace("automated backup are already running. Execution delayed");
            }
            return $state;
        } else {
            mtrace('OK');
        }
        backup_cron_automated_helper::set_state_running();

        mtrace("Getting admin info");
        $admin = get_admin();
        if (!$admin) {
            mtrace("Error: No admin account was found");
            $state = false;
        }

        if ($status) {
            mtrace("Checking courses");
            mtrace("Skipping deleted courses", '...');
            mtrace(sprintf("%d courses", backup_cron_automated_helper::remove_deleted_courses_from_schedule()));
        }

        if ($status) {

            mtrace('Running required automated backups...');

            // This could take a while!
            @set_time_limit(0);
            raise_memory_limit(MEMORY_EXTRA);

            $nextstarttime = backup_cron_automated_helper::calculate_next_automated_backup($admin->timezone, $now);
            $showtime = "undefined";
            if ($nextstarttime > 0) {
                $showtime = userdate($nextstarttime,"",$admin->timezone);
            }

            $rs = $DB->get_recordset('course');
            foreach ($rs as $course) {
                $backupcourse = $DB->get_record('backup_courses', array('courseid'=>$course->id));
                if (!$backupcourse) {
                    $backupcourse = new stdClass;
                    $backupcourse->courseid = $course->id;
                    $DB->insert_record('backup_courses',$backupcourse);
                    $backupcourse = $DB->get_record('backup_courses', array('courseid'=>$course->id));
                }

                // Skip backup of unavailable courses that have remained unmodified in a month
                $skipped = false;
                if (empty($course->visible) && ($now - $course->timemodified) > 31*24*60*60) {  //Hidden + unmodified last month
                    $backupcourse->laststatus = backup_cron_automated_helper::BACKUP_STATUS_SKIPPED;
                    $DB->update_record('backup_courses', $backupcourse);
                    mtrace('Skipping unchanged course '.$course->fullname);
                    $skipped = true;
                } else if (($backupcourse->nextstarttime >= 0 && $backupcourse->nextstarttime < $now) || $rundirective == self::RUN_IMMEDIATELY) {
                    mtrace('Backing up '.$course->fullname, '...');

                    //We have to send a email because we have included at least one backup
                    $emailpending = true;

                    //Only make the backup if laststatus isn't 2-UNFINISHED (uncontrolled error)
                    if ($backupcourse->laststatus != 2) {
                        //Set laststarttime
                        $starttime = time();

                        $backupcourse->laststarttime = time();
                        $backupcourse->laststatus = backup_cron_automated_helper::BACKUP_STATUS_UNFINISHED;
                        $DB->update_record('backup_courses', $backupcourse);

                        $backupcourse->laststatus = backup_cron_automated_helper::launch_automated_backup($course, $backupcourse->laststarttime, $admin->id);
                        $backupcourse->lastendtime = time();
                        $backupcourse->nextstarttime = $nextstarttime;

                        $DB->update_record('backup_courses', $backupcourse);

                        if ($backupcourse->laststatus) {
                            // Clean up any excess course backups now that we have
                            // taken a successful backup.
                            $removedcount = backup_cron_automated_helper::remove_excess_backups($course);
                        }
                    }

                    mtrace("complete - next execution: $showtime");
                }
            }
            $rs->close();
        }

        //Send email to admin if necessary
        if ($emailpending) {
            mtrace("Sending email to admin");
            $message = "";

            $count = backup_cron_automated_helper::get_backup_status_array();
            $haserrors = ($count[backup_cron_automated_helper::BACKUP_STATUS_ERROR] != 0 || $count[backup_cron_automated_helper::BACKUP_STATUS_UNFINISHED] != 0);

            //Build the message text
            //Summary
            $message .= get_string('summary')."\n";
            $message .= "==================================================\n";
            $message .= "  ".get_string('courses').": ".array_sum($count)."\n";
            $message .= "  ".get_string('ok').": ".$count[backup_cron_automated_helper::BACKUP_STATUS_OK]."\n";
            $message .= "  ".get_string('skipped').": ".$count[backup_cron_automated_helper::BACKUP_STATUS_SKIPPED]."\n";
            $message .= "  ".get_string('error').": ".$count[backup_cron_automated_helper::BACKUP_STATUS_ERROR]."\n";
            $message .= "  ".get_string('unfinished').": ".$count[backup_cron_automated_helper::BACKUP_STATUS_UNFINISHED]."\n\n";

            //Reference
            if ($haserrors) {
                $message .= "  ".get_string('backupfailed')."\n\n";
                $dest_url = "$CFG->wwwroot/$CFG->admin/report/backups/index.php";
                $message .= "  ".get_string('backuptakealook','',$dest_url)."\n\n";
                //Set message priority
                $admin->priority = 1;
                //Reset unfinished to error
                $DB->set_field('backup_courses','laststatus','0', array('laststatus'=>'2'));
            } else {
                $message .= "  ".get_string('backupfinished')."\n";
            }

            //Build the message subject
            $site = get_site();
            $prefix = $site->shortname.": ";
            if ($haserrors) {
                $prefix .= "[".strtoupper(get_string('error'))."] ";
            }
            $subject = $prefix.get_string('automatedbackupstatus', 'backup');

            //Send the message
            $eventdata = new stdClass();
            $eventdata->modulename        = 'moodle';
            $eventdata->userfrom          = $admin;
            $eventdata->userto            = $admin;
            $eventdata->subject           = $subject;
            $eventdata->fullmessage       = $message;
            $eventdata->fullmessageformat = FORMAT_PLAIN;
            $eventdata->fullmessagehtml   = '';
            $eventdata->smallmessage      = '';

            $eventdata->component         = 'moodle';
            $eventdata->name         = 'backup';

            message_send($eventdata);
        }

        //Everything is finished stop backup_auto_running
        backup_cron_automated_helper::set_state_running(false);

        mtrace('Automated backups complete.');

        return $status;
    }
Ejemplo n.º 5
0
 /**
  * Test {@link backup_cron_automated_helper::calculate_next_automated_backup}.
  */
 public function test_next_automated_backup()
 {
     $this->resetAfterTest();
     set_config('backup_auto_active', '1', 'backup');
     // Notes
     // - backup_auto_weekdays starts on Sunday
     // - Tests cannot be done in the past
     // - Only the DST on the server side is handled.
     // Every Tue and Fri at 11pm.
     set_config('backup_auto_weekdays', '0010010', 'backup');
     set_config('backup_auto_hour', '23', 'backup');
     set_config('backup_auto_minute', '0', 'backup');
     $timezone = 99;
     $now = strtotime('next Monday 17:00:00');
     $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
     $this->assertEquals('2-23:00', date('w-H:i', $next));
     $now = strtotime('next Tuesday 18:00:00');
     $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
     $this->assertEquals('2-23:00', date('w-H:i', $next));
     $now = strtotime('next Wednesday 17:00:00');
     $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
     $this->assertEquals('5-23:00', date('w-H:i', $next));
     $now = strtotime('next Thursday 17:00:00');
     $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
     $this->assertEquals('5-23:00', date('w-H:i', $next));
     $now = strtotime('next Friday 17:00:00');
     $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
     $this->assertEquals('5-23:00', date('w-H:i', $next));
     $now = strtotime('next Saturday 17:00:00');
     $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
     $this->assertEquals('2-23:00', date('w-H:i', $next));
     $now = strtotime('next Sunday 17:00:00');
     $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
     $this->assertEquals('2-23:00', date('w-H:i', $next));
     // Every Sun and Sat at 12pm.
     set_config('backup_auto_weekdays', '1000001', 'backup');
     set_config('backup_auto_hour', '0', 'backup');
     set_config('backup_auto_minute', '0', 'backup');
     $timezone = 99;
     $now = strtotime('next Monday 17:00:00');
     $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
     $this->assertEquals('6-00:00', date('w-H:i', $next));
     $now = strtotime('next Tuesday 17:00:00');
     $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
     $this->assertEquals('6-00:00', date('w-H:i', $next));
     $now = strtotime('next Wednesday 17:00:00');
     $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
     $this->assertEquals('6-00:00', date('w-H:i', $next));
     $now = strtotime('next Thursday 17:00:00');
     $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
     $this->assertEquals('6-00:00', date('w-H:i', $next));
     $now = strtotime('next Friday 17:00:00');
     $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
     $this->assertEquals('6-00:00', date('w-H:i', $next));
     $now = strtotime('next Saturday 17:00:00');
     $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
     $this->assertEquals('0-00:00', date('w-H:i', $next));
     $now = strtotime('next Sunday 17:00:00');
     $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
     $this->assertEquals('6-00:00', date('w-H:i', $next));
     // Every Sun at 4am.
     set_config('backup_auto_weekdays', '1000000', 'backup');
     set_config('backup_auto_hour', '4', 'backup');
     set_config('backup_auto_minute', '0', 'backup');
     $timezone = 99;
     $now = strtotime('next Monday 17:00:00');
     $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
     $this->assertEquals('0-04:00', date('w-H:i', $next));
     $now = strtotime('next Tuesday 17:00:00');
     $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
     $this->assertEquals('0-04:00', date('w-H:i', $next));
     $now = strtotime('next Wednesday 17:00:00');
     $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
     $this->assertEquals('0-04:00', date('w-H:i', $next));
     $now = strtotime('next Thursday 17:00:00');
     $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
     $this->assertEquals('0-04:00', date('w-H:i', $next));
     $now = strtotime('next Friday 17:00:00');
     $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
     $this->assertEquals('0-04:00', date('w-H:i', $next));
     $now = strtotime('next Saturday 17:00:00');
     $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
     $this->assertEquals('0-04:00', date('w-H:i', $next));
     $now = strtotime('next Sunday 17:00:00');
     $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
     $this->assertEquals('0-04:00', date('w-H:i', $next));
     // Every day but Wed at 8:30pm.
     set_config('backup_auto_weekdays', '1110111', 'backup');
     set_config('backup_auto_hour', '20', 'backup');
     set_config('backup_auto_minute', '30', 'backup');
     $timezone = 99;
     $now = strtotime('next Monday 17:00:00');
     $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
     $this->assertEquals('1-20:30', date('w-H:i', $next));
     $now = strtotime('next Tuesday 17:00:00');
     $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
     $this->assertEquals('2-20:30', date('w-H:i', $next));
     $now = strtotime('next Wednesday 17:00:00');
     $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
     $this->assertEquals('4-20:30', date('w-H:i', $next));
     $now = strtotime('next Thursday 17:00:00');
     $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
     $this->assertEquals('4-20:30', date('w-H:i', $next));
     $now = strtotime('next Friday 17:00:00');
     $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
     $this->assertEquals('5-20:30', date('w-H:i', $next));
     $now = strtotime('next Saturday 17:00:00');
     $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
     $this->assertEquals('6-20:30', date('w-H:i', $next));
     $now = strtotime('next Sunday 17:00:00');
     $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
     $this->assertEquals('0-20:30', date('w-H:i', $next));
     // Sun, Tue, Thu, Sat at 12pm.
     set_config('backup_auto_weekdays', '1010101', 'backup');
     set_config('backup_auto_hour', '0', 'backup');
     set_config('backup_auto_minute', '0', 'backup');
     $timezone = 99;
     $now = strtotime('next Monday 13:00:00');
     $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
     $this->assertEquals('2-00:00', date('w-H:i', $next));
     $now = strtotime('next Tuesday 13:00:00');
     $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
     $this->assertEquals('4-00:00', date('w-H:i', $next));
     $now = strtotime('next Wednesday 13:00:00');
     $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
     $this->assertEquals('4-00:00', date('w-H:i', $next));
     $now = strtotime('next Thursday 13:00:00');
     $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
     $this->assertEquals('6-00:00', date('w-H:i', $next));
     $now = strtotime('next Friday 13:00:00');
     $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
     $this->assertEquals('6-00:00', date('w-H:i', $next));
     $now = strtotime('next Saturday 13:00:00');
     $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
     $this->assertEquals('0-00:00', date('w-H:i', $next));
     $now = strtotime('next Sunday 13:00:00');
     $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
     $this->assertEquals('2-00:00', date('w-H:i', $next));
     // None.
     set_config('backup_auto_weekdays', '0000000', 'backup');
     set_config('backup_auto_hour', '15', 'backup');
     set_config('backup_auto_minute', '30', 'backup');
     $timezone = 99;
     $now = strtotime('next Sunday 13:00:00');
     $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
     $this->assertEquals('0', $next);
     // Playing with timezones.
     set_config('backup_auto_weekdays', '1111111', 'backup');
     set_config('backup_auto_hour', '20', 'backup');
     set_config('backup_auto_minute', '00', 'backup');
     $timezone = 99;
     date_default_timezone_set('Australia/Perth');
     $now = strtotime('18:00:00');
     $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
     $this->assertEquals(date('w-20:00'), date('w-H:i', $next));
     $timezone = 99;
     date_default_timezone_set('Europe/Brussels');
     $now = strtotime('18:00:00');
     $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
     $this->assertEquals(date('w-20:00'), date('w-H:i', $next));
     $timezone = 99;
     date_default_timezone_set('America/New_York');
     $now = strtotime('18:00:00');
     $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
     $this->assertEquals(date('w-20:00'), date('w-H:i', $next));
     // Viva Australia! (UTC+8).
     date_default_timezone_set('Australia/Perth');
     $now = strtotime('18:00:00');
     $timezone = -10.0;
     // 12am for the user.
     $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
     $this->assertEquals(date('w-14:00', strtotime('tomorrow')), date('w-H:i', $next));
     $timezone = -5.0;
     // 5am for the user.
     $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
     $this->assertEquals(date('w-09:00', strtotime('tomorrow')), date('w-H:i', $next));
     $timezone = 0.0;
     // 10am for the user.
     $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
     $this->assertEquals(date('w-04:00', strtotime('tomorrow')), date('w-H:i', $next));
     $timezone = 3.0;
     // 1pm for the user.
     $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
     $this->assertEquals(date('w-01:00', strtotime('tomorrow')), date('w-H:i', $next));
     $timezone = 8.0;
     // 6pm for the user (same than the server).
     $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
     $this->assertEquals(date('w-20:00'), date('w-H:i', $next));
     $timezone = 9.0;
     // 7pm for the user.
     $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
     $this->assertEquals(date('w-19:00'), date('w-H:i', $next));
     $timezone = 13.0;
     // 12am for the user.
     $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
     $this->assertEquals(date('w-15:00', strtotime('tomorrow')), date('w-H:i', $next));
     // Let's have a Belgian beer! (UTC+1 / UTC+2 DST).
     // Warning: Some of these tests will fail if executed "around"
     // 'Europe/Brussels' DST changes (last Sunday in March and
     // last Sunday in October right now - 2012). Once Moodle
     // moves to PHP TZ support this could be fixed properly.
     date_default_timezone_set('Europe/Brussels');
     $now = strtotime('18:00:00');
     $dst = date('I', $now);
     $timezone = -10.0;
     // 7am for the user.
     $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
     $expected = !$dst ? date('w-07:00', strtotime('tomorrow')) : date('w-08:00', strtotime('tomorrow'));
     $this->assertEquals($expected, date('w-H:i', $next));
     $timezone = -5.0;
     // 12pm for the user.
     $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
     $expected = !$dst ? date('w-02:00', strtotime('tomorrow')) : date('w-03:00', strtotime('tomorrow'));
     $this->assertEquals($expected, date('w-H:i', $next));
     $timezone = 0.0;
     // 5pm for the user.
     $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
     $expected = !$dst ? date('w-21:00') : date('w-22:00');
     $this->assertEquals($expected, date('w-H:i', $next));
     $timezone = 3.0;
     // 8pm for the user (note the expected time is today while in DST).
     $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
     $expected = !$dst ? date('w-18:00', strtotime('tomorrow')) : date('w-19:00');
     $this->assertEquals($expected, date('w-H:i', $next));
     $timezone = 8.0;
     // 1am for the user.
     $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
     $expected = !$dst ? date('w-13:00', strtotime('tomorrow')) : date('w-14:00', strtotime('tomorrow'));
     $this->assertEquals($expected, date('w-H:i', $next));
     $timezone = 9.0;
     // 2am for the user.
     $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
     $expected = !$dst ? date('w-12:00', strtotime('tomorrow')) : date('w-13:00', strtotime('tomorrow'));
     $this->assertEquals($expected, date('w-H:i', $next));
     $timezone = 13.0;
     // 6am for the user.
     $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
     $expected = !$dst ? date('w-08:00', strtotime('tomorrow')) : date('w-09:00', strtotime('tomorrow'));
     $this->assertEquals($expected, date('w-H:i', $next));
     // The big apple! (UTC-5 / UTC-4 DST).
     // Warning: Some of these tests will fail if executed "around"
     // 'America/New_York' DST changes (2nd Sunday in March and
     // 1st Sunday in November right now - 2012). Once Moodle
     // moves to PHP TZ support this could be fixed properly.
     date_default_timezone_set('America/New_York');
     $now = strtotime('18:00:00');
     $dst = date('I', $now);
     $timezone = -10.0;
     // 1pm for the user.
     $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
     $expected = !$dst ? date('w-01:00', strtotime('tomorrow')) : date('w-02:00', strtotime('tomorrow'));
     $this->assertEquals($expected, date('w-H:i', $next));
     $timezone = -5.0;
     // 6pm for the user (server time).
     $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
     $expected = !$dst ? date('w-20:00') : date('w-21:00');
     $this->assertEquals($expected, date('w-H:i', $next));
     $timezone = 0.0;
     // 11pm for the user.
     $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
     $expected = !$dst ? date('w-15:00', strtotime('tomorrow')) : date('w-16:00', strtotime('tomorrow'));
     $this->assertEquals($expected, date('w-H:i', $next));
     $timezone = 3.0;
     // 2am for the user.
     $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
     $expected = !$dst ? date('w-12:00', strtotime('tomorrow')) : date('w-13:00', strtotime('tomorrow'));
     $this->assertEquals($expected, date('w-H:i', $next));
     $timezone = 8.0;
     // 7am for the user.
     $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
     $expected = !$dst ? date('w-07:00', strtotime('tomorrow')) : date('w-08:00', strtotime('tomorrow'));
     $this->assertEquals($expected, date('w-H:i', $next));
     $timezone = 9.0;
     // 8am for the user.
     $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
     $expected = !$dst ? date('w-06:00', strtotime('tomorrow')) : date('w-07:00', strtotime('tomorrow'));
     $this->assertEquals($expected, date('w-H:i', $next));
     $timezone = 13.0;
     // 6am for the user.
     $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
     $expected = !$dst ? date('w-02:00', strtotime('tomorrow')) : date('w-03:00', strtotime('tomorrow'));
     $this->assertEquals($expected, date('w-H:i', $next));
     // Some more timezone tests
     set_config('backup_auto_weekdays', '0100001', 'backup');
     set_config('backup_auto_hour', '20', 'backup');
     set_config('backup_auto_minute', '00', 'backup');
     // Note: These tests should not fail because they are "unnafected"
     // by DST changes, as far as execution always happens on Monday and
     // Saturday and those week days are not, right now, the ones rulez
     // to peform the DST changes (Sunday is). This may change if rules
     // are modified in the future.
     date_default_timezone_set('Europe/Brussels');
     $now = strtotime('next Monday 18:00:00');
     $dst = date('I', $now);
     $timezone = -12.0;
     // 1pm for the user.
     $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
     $expected = !$dst ? '2-09:00' : '2-10:00';
     $this->assertEquals($expected, date('w-H:i', $next));
     $timezone = -4.0;
     // 1pm for the user.
     $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
     $expected = !$dst ? '2-01:00' : '2-02:00';
     $this->assertEquals($expected, date('w-H:i', $next));
     $timezone = 0.0;
     // 5pm for the user.
     $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
     $expected = !$dst ? '1-21:00' : '1-22:00';
     $this->assertEquals($expected, date('w-H:i', $next));
     $timezone = 2.0;
     // 7pm for the user.
     $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
     $expected = !$dst ? '1-19:00' : '1-20:00';
     $this->assertEquals($expected, date('w-H:i', $next));
     $timezone = 4.0;
     // 9pm for the user.
     $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
     $expected = !$dst ? '6-17:00' : '6-18:00';
     $this->assertEquals($expected, date('w-H:i', $next));
     $timezone = 12.0;
     // 6am for the user.
     $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
     $expected = !$dst ? '6-09:00' : '6-10:00';
     $this->assertEquals($expected, date('w-H:i', $next));
     // Some more timezone tests
     set_config('backup_auto_weekdays', '0100001', 'backup');
     set_config('backup_auto_hour', '02', 'backup');
     set_config('backup_auto_minute', '00', 'backup');
     // Note: These tests should not fail because they are "unnafected"
     // by DST changes, as far as execution always happens on Monday and
     // Saturday and those week days are not, right now, the ones rulez
     // to peform the DST changes (Sunday is). This may change if rules
     // are modified in the future.
     date_default_timezone_set('America/New_York');
     $now = strtotime('next Monday 04:00:00');
     $dst = date('I', $now);
     $timezone = -12.0;
     // 8pm for the user.
     $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
     $expected = !$dst ? '1-09:00' : '1-10:00';
     $this->assertEquals($expected, date('w-H:i', $next));
     $timezone = -4.0;
     // 4am for the user.
     $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
     $expected = !$dst ? '6-01:00' : '6-02:00';
     $this->assertEquals($expected, date('w-H:i', $next));
     $timezone = 0.0;
     // 8am for the user.
     $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
     $expected = !$dst ? '5-21:00' : '5-22:00';
     $this->assertEquals($expected, date('w-H:i', $next));
     $timezone = 2.0;
     // 10am for the user.
     $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
     $expected = !$dst ? '5-19:00' : '5-20:00';
     $this->assertEquals($expected, date('w-H:i', $next));
     $timezone = 4.0;
     // 12pm for the user.
     $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
     $expected = !$dst ? '5-17:00' : '5-18:00';
     $this->assertEquals($expected, date('w-H:i', $next));
     $timezone = 12.0;
     // 8pm for the user.
     $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
     $expected = !$dst ? '5-09:00' : '5-10:00';
     $this->assertEquals($expected, date('w-H:i', $next));
 }
Ejemplo n.º 6
0
/**
 * Cron functions.
 *
 * @package    core
 * @subpackage admin
 * @copyright  1999 onwards Martin Dougiamas  http://dougiamas.com
 * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
 */
function cron_run()
{
    global $DB, $CFG, $OUTPUT;
    if (CLI_MAINTENANCE) {
        echo "CLI maintenance mode active, cron execution suspended.\n";
        exit(1);
    }
    if (moodle_needs_upgrading()) {
        echo "Moodle upgrade pending, cron execution suspended.\n";
        exit(1);
    }
    require_once $CFG->libdir . '/adminlib.php';
    require_once $CFG->libdir . '/gradelib.php';
    if (!empty($CFG->showcronsql)) {
        $DB->set_debug(true);
    }
    if (!empty($CFG->showcrondebugging)) {
        $CFG->debug = DEBUG_DEVELOPER;
        $CFG->debugdisplay = true;
    }
    set_time_limit(0);
    $starttime = microtime();
    /// increase memory limit
    raise_memory_limit(MEMORY_EXTRA);
    /// emulate normal session
    cron_setup_user();
    /// Start output log
    $timenow = time();
    mtrace("Server Time: " . date('r', $timenow) . "\n\n");
    /// Session gc
    mtrace("Cleaning up stale sessions");
    session_gc();
    /// Run all cron jobs for each module
    mtrace("Starting activity modules");
    get_mailer('buffer');
    if ($mods = $DB->get_records_select("modules", "cron > 0 AND ((? - lastcron) > cron) AND visible = 1", array($timenow))) {
        foreach ($mods as $mod) {
            $libfile = "{$CFG->dirroot}/mod/{$mod->name}/lib.php";
            if (file_exists($libfile)) {
                include_once $libfile;
                $cron_function = $mod->name . "_cron";
                if (function_exists($cron_function)) {
                    mtrace("Processing module function {$cron_function} ...", '');
                    $pre_dbqueries = null;
                    $pre_dbqueries = $DB->perf_get_queries();
                    $pre_time = microtime(1);
                    if ($cron_function()) {
                        $DB->set_field("modules", "lastcron", $timenow, array("id" => $mod->id));
                    }
                    if (isset($pre_dbqueries)) {
                        mtrace("... used " . ($DB->perf_get_queries() - $pre_dbqueries) . " dbqueries");
                        mtrace("... used " . (microtime(1) - $pre_time) . " seconds");
                    }
                    /// Reset possible changes by modules to time_limit. MDL-11597
                    @set_time_limit(0);
                    mtrace("done.");
                }
            }
        }
    }
    get_mailer('close');
    mtrace("Finished activity modules");
    mtrace("Starting blocks");
    if ($blocks = $DB->get_records_select("block", "cron > 0 AND ((? - lastcron) > cron) AND visible = 1", array($timenow))) {
        // we will need the base class.
        require_once $CFG->dirroot . '/blocks/moodleblock.class.php';
        foreach ($blocks as $block) {
            $blockfile = $CFG->dirroot . '/blocks/' . $block->name . '/block_' . $block->name . '.php';
            if (file_exists($blockfile)) {
                require_once $blockfile;
                $classname = 'block_' . $block->name;
                $blockobj = new $classname();
                if (method_exists($blockobj, 'cron')) {
                    mtrace("Processing cron function for " . $block->name . '....', '');
                    if ($blockobj->cron()) {
                        $DB->set_field('block', 'lastcron', $timenow, array('id' => $block->id));
                    }
                    /// Reset possible changes by blocks to time_limit. MDL-11597
                    @set_time_limit(0);
                    mtrace('done.');
                }
            }
        }
    }
    mtrace('Finished blocks');
    //now do plagiarism checks
    require_once $CFG->libdir . '/plagiarismlib.php';
    plagiarism_cron();
    mtrace("Starting quiz reports");
    if ($reports = $DB->get_records_select('quiz_report', "cron > 0 AND ((? - lastcron) > cron)", array($timenow))) {
        foreach ($reports as $report) {
            $cronfile = "{$CFG->dirroot}/mod/quiz/report/{$report->name}/cron.php";
            if (file_exists($cronfile)) {
                include_once $cronfile;
                $cron_function = 'quiz_report_' . $report->name . "_cron";
                if (function_exists($cron_function)) {
                    mtrace("Processing quiz report cron function {$cron_function} ...", '');
                    $pre_dbqueries = null;
                    $pre_dbqueries = $DB->perf_get_queries();
                    $pre_time = microtime(1);
                    if ($cron_function()) {
                        $DB->set_field('quiz_report', "lastcron", $timenow, array("id" => $report->id));
                    }
                    if (isset($pre_dbqueries)) {
                        mtrace("... used " . ($DB->perf_get_queries() - $pre_dbqueries) . " dbqueries");
                        mtrace("... used " . (microtime(1) - $pre_time) . " seconds");
                    }
                    mtrace("done.");
                }
            }
        }
    }
    mtrace("Finished quiz reports");
    mtrace('Starting admin reports');
    // Admin reports do not have a database table that lists them. Instead a
    // report includes cron.php with function report_reportname_cron() if it wishes
    // to be cronned. It is up to cron.php to handle e.g. if it only needs to
    // actually do anything occasionally.
    $reports = get_plugin_list('report');
    foreach ($reports as $report => $reportdir) {
        $cronfile = $reportdir . '/cron.php';
        if (file_exists($cronfile)) {
            require_once $cronfile;
            $cronfunction = 'report_' . $report . '_cron';
            mtrace('Processing cron function for ' . $report . '...', '');
            $pre_dbqueries = null;
            $pre_dbqueries = $DB->perf_get_queries();
            $pre_time = microtime(true);
            $cronfunction();
            if (isset($pre_dbqueries)) {
                mtrace("... used " . ($DB->perf_get_queries() - $pre_dbqueries) . " dbqueries");
                mtrace("... used " . round(microtime(true) - $pre_time, 2) . " seconds");
            }
            mtrace('done.');
        }
    }
    mtrace('Finished admin reports');
    mtrace('Starting main gradebook job ...');
    grade_cron();
    mtrace('done.');
    mtrace('Starting processing the event queue...');
    events_cron();
    mtrace('done.');
    if ($CFG->enablecompletion) {
        // Completion cron
        mtrace('Starting the completion cron...');
        require_once $CFG->libdir . '/completion/cron.php';
        completion_cron();
        mtrace('done');
    }
    if ($CFG->enableportfolios) {
        // Portfolio cron
        mtrace('Starting the portfolio cron...');
        require_once $CFG->libdir . '/portfoliolib.php';
        portfolio_cron();
        mtrace('done');
    }
    /// Run all core cron jobs, but not every time since they aren't too important.
    /// These don't have a timer to reduce load, so we'll use a random number
    /// to randomly choose the percentage of times we should run these jobs.
    srand((double) microtime() * 10000000);
    $random100 = rand(0, 100);
    if ($random100 < 20) {
        // Approximately 20% of the time.
        mtrace("Running clean-up tasks...");
        /// Delete users who haven't confirmed within required period
        if (!empty($CFG->deleteunconfirmed)) {
            $cuttime = $timenow - $CFG->deleteunconfirmed * 3600;
            $rs = $DB->get_recordset_sql("SELECT id, firstname, lastname\n                                             FROM {user}\n                                            WHERE confirmed = 0 AND firstaccess > 0\n                                                  AND firstaccess < ?", array($cuttime));
            foreach ($rs as $user) {
                if ($DB->delete_records('user', array('id' => $user->id))) {
                    mtrace("Deleted unconfirmed user for " . fullname($user, true) . " ({$user->id})");
                }
            }
            $rs->close();
        }
        flush();
        /// Delete users who haven't completed profile within required period
        if (!empty($CFG->deleteincompleteusers)) {
            $cuttime = $timenow - $CFG->deleteincompleteusers * 3600;
            $rs = $DB->get_recordset_sql("SELECT id, username\n                                             FROM {user}\n                                            WHERE confirmed = 1 AND lastaccess > 0\n                                                  AND lastaccess < ? AND deleted = 0\n                                                  AND (lastname = '' OR firstname = '' OR email = '')", array($cuttime));
            foreach ($rs as $user) {
                if (delete_user($user)) {
                    mtrace("Deleted not fully setup user {$user->username} ({$user->id})");
                }
            }
            $rs->close();
        }
        flush();
        /// Delete old logs to save space (this might need a timer to slow it down...)
        if (!empty($CFG->loglifetime)) {
            // value in days
            $loglifetime = $timenow - $CFG->loglifetime * 3600 * 24;
            if ($DB->delete_records_select("log", "time < ?", array($loglifetime))) {
                mtrace("Deleted old log records");
            }
        }
        flush();
        // Delete old backup_controllers and logs
        if (!empty($CFG->loglifetime)) {
            // value in days
            $loglifetime = $timenow - $CFG->loglifetime * 3600 * 24;
            // Delete child records from backup_logs
            $DB->execute("DELETE FROM {backup_logs}\n                           WHERE EXISTS (\n                               SELECT 'x'\n                                 FROM {backup_controllers} bc\n                                WHERE bc.backupid = {backup_logs}.backupid\n                                  AND bc.timecreated < ?)", array($loglifetime));
            // Delete records from backup_controllers
            $DB->execute("DELETE FROM {backup_controllers}\n                          WHERE timecreated < ?", array($loglifetime));
            mtrace("Deleted old backup records");
        }
        flush();
        /// Delete old cached texts
        if (!empty($CFG->cachetext)) {
            // Defined in config.php
            $cachelifetime = time() - $CFG->cachetext - 60;
            // Add an extra minute to allow for really heavy sites
            if ($DB->delete_records_select('cache_text', "timemodified < ?", array($cachelifetime))) {
                mtrace("Deleted old cache_text records");
            }
        }
        flush();
        if (!empty($CFG->notifyloginfailures)) {
            notify_login_failures();
            mtrace('Notified login failured');
        }
        flush();
        //
        // generate new password emails for users
        //
        mtrace('checking for create_password');
        if ($DB->count_records('user_preferences', array('name' => 'create_password', 'value' => '1'))) {
            mtrace('creating passwords for new users');
            $newusers = $DB->get_records_sql("SELECT u.id as id, u.email, u.firstname,\n                                                     u.lastname, u.username,\n                                                     p.id as prefid\n                                                FROM {user} u\n                                                JOIN {user_preferences} p ON u.id=p.userid\n                                               WHERE p.name='create_password' AND p.value='1' AND u.email !='' ");
            foreach ($newusers as $newuserid => $newuser) {
                // email user
                if (setnew_password_and_mail($newuser)) {
                    // remove user pref
                    $DB->delete_records('user_preferences', array('id' => $newuser->prefid));
                } else {
                    trigger_error("Could not create and mail new user password!");
                }
            }
        }
        if (!empty($CFG->usetags)) {
            require_once $CFG->dirroot . '/tag/lib.php';
            tag_cron();
            mtrace('Executed tag cron');
        }
        // Accesslib stuff
        cleanup_contexts();
        mtrace('Cleaned up contexts');
        gc_cache_flags();
        mtrace('Cleaned cache flags');
        // If you suspect that the context paths are somehow corrupt
        // replace the line below with: build_context_path(true);
        build_context_path();
        mtrace('Built context paths');
        if (!empty($CFG->messagingdeletereadnotificationsdelay)) {
            $notificationdeletetime = time() - $CFG->messagingdeletereadnotificationsdelay;
            $DB->delete_records_select('message_read', 'notification=1 AND timeread<:notificationdeletetime', array('notificationdeletetime' => $notificationdeletetime));
            mtrace('Cleaned up read notifications');
        }
        mtrace("Finished clean-up tasks...");
    }
    // End of occasional clean-up tasks
    // Run automated backups if required.
    require_once $CFG->dirroot . '/backup/util/includes/backup_includes.php';
    require_once $CFG->dirroot . '/backup/util/helper/backup_cron_helper.class.php';
    backup_cron_automated_helper::run_automated_backup();
    /// Run the auth cron, if any
    /// before enrolments because it might add users that will be needed in enrol plugins
    $auths = get_enabled_auth_plugins();
    mtrace("Running auth crons if required...");
    foreach ($auths as $auth) {
        $authplugin = get_auth_plugin($auth);
        if (method_exists($authplugin, 'cron')) {
            mtrace("Running cron for auth/{$auth}...");
            $authplugin->cron();
            if (!empty($authplugin->log)) {
                mtrace($authplugin->log);
            }
        }
        unset($authplugin);
    }
    mtrace("Running enrol crons if required...");
    $enrols = enrol_get_plugins(true);
    foreach ($enrols as $ename => $enrol) {
        // do this for all plugins, disabled plugins might want to cleanup stuff such as roles
        if (!$enrol->is_cron_required()) {
            continue;
        }
        mtrace("Running cron for enrol_{$ename}...");
        $enrol->cron();
        $enrol->set_config('lastcron', time());
    }
    if (!empty($CFG->enablestats) and empty($CFG->disablestatsprocessing)) {
        require_once $CFG->dirroot . '/lib/statslib.php';
        // check we're not before our runtime
        $timetocheck = stats_get_base_daily() + $CFG->statsruntimestarthour * 60 * 60 + $CFG->statsruntimestartminute * 60;
        if (time() > $timetocheck) {
            // process configured number of days as max (defaulting to 31)
            $maxdays = empty($CFG->statsruntimedays) ? 31 : abs($CFG->statsruntimedays);
            if (stats_cron_daily($maxdays)) {
                if (stats_cron_weekly()) {
                    if (stats_cron_monthly()) {
                        stats_clean_old();
                    }
                }
            }
            @set_time_limit(0);
        } else {
            mtrace('Next stats run after:' . userdate($timetocheck));
        }
    }
    // run gradebook import/export/report cron
    if ($gradeimports = get_plugin_list('gradeimport')) {
        foreach ($gradeimports as $gradeimport => $plugindir) {
            if (file_exists($plugindir . '/lib.php')) {
                require_once $plugindir . '/lib.php';
                $cron_function = 'grade_import_' . $gradeimport . '_cron';
                if (function_exists($cron_function)) {
                    mtrace("Processing gradebook import function {$cron_function} ...", '');
                    $cron_function();
                }
            }
        }
    }
    if ($gradeexports = get_plugin_list('gradeexport')) {
        foreach ($gradeexports as $gradeexport => $plugindir) {
            if (file_exists($plugindir . '/lib.php')) {
                require_once $plugindir . '/lib.php';
                $cron_function = 'grade_export_' . $gradeexport . '_cron';
                if (function_exists($cron_function)) {
                    mtrace("Processing gradebook export function {$cron_function} ...", '');
                    $cron_function();
                }
            }
        }
    }
    if ($gradereports = get_plugin_list('gradereport')) {
        foreach ($gradereports as $gradereport => $plugindir) {
            if (file_exists($plugindir . '/lib.php')) {
                require_once $plugindir . '/lib.php';
                $cron_function = 'grade_report_' . $gradereport . '_cron';
                if (function_exists($cron_function)) {
                    mtrace("Processing gradebook report function {$cron_function} ...", '');
                    $cron_function();
                }
            }
        }
    }
    // Run external blog cron if needed
    if ($CFG->useexternalblogs) {
        require_once $CFG->dirroot . '/blog/lib.php';
        mtrace("Fetching external blog entries...", '');
        $sql = "timefetched < ? OR timefetched = 0";
        $externalblogs = $DB->get_records_select('blog_external', $sql, array(mktime() - $CFG->externalblogcrontime));
        foreach ($externalblogs as $eb) {
            blog_sync_external_entries($eb);
        }
    }
    // Run blog associations cleanup
    if ($CFG->useblogassociations) {
        require_once $CFG->dirroot . '/blog/lib.php';
        // delete entries whose contextids no longer exists
        mtrace("Deleting blog associations linked to non-existent contexts...", '');
        $DB->delete_records_select('blog_association', 'contextid NOT IN (SELECT id FROM {context})');
    }
    //Run registration updated cron
    mtrace(get_string('siteupdatesstart', 'hub'));
    require_once $CFG->dirroot . '/admin/registration/lib.php';
    $registrationmanager = new registration_manager();
    $registrationmanager->cron();
    mtrace(get_string('siteupdatesend', 'hub'));
    // cleanup file trash
    $fs = get_file_storage();
    $fs->cron();
    //cleanup old session linked tokens
    //deletes the session linked tokens that are over a day old.
    mtrace("Deleting session linked tokens more than one day old...", '');
    $DB->delete_records_select('external_tokens', 'lastaccess < :onedayago AND tokentype = :tokentype', array('onedayago' => time() - DAYSECS, 'tokentype' => EXTERNAL_TOKEN_EMBEDDED));
    mtrace('done.');
    // run any customized cronjobs, if any
    if ($locals = get_plugin_list('local')) {
        mtrace('Processing customized cron scripts ...', '');
        foreach ($locals as $local => $localdir) {
            if (file_exists("{$localdir}/cron.php")) {
                include "{$localdir}/cron.php";
            }
        }
        mtrace('done.');
    }
    mtrace("Cron script completed correctly");
    $difftime = microtime_diff($starttime, microtime());
    mtrace("Execution took " . $difftime . " seconds");
}
Ejemplo n.º 7
0
    die;
}
if (CLI_MAINTENANCE) {
    echo "CLI maintenance mode active, backup execution suspended.\n";
    exit(1);
}
if (moodle_needs_upgrading()) {
    echo "Moodle upgrade pending, backup execution suspended.\n";
    exit(1);
}
require_once $CFG->libdir . '/adminlib.php';
require_once $CFG->libdir . '/gradelib.php';
if (!empty($CFG->showcronsql)) {
    $DB->set_debug(true);
}
if (!empty($CFG->showcrondebugging)) {
    set_debugging(DEBUG_DEVELOPER, true);
}
$starttime = microtime();
/// emulate normal session
cron_setup_user();
/// Start output log
$timenow = time();
mtrace("Server Time: " . date('r', $timenow) . "\n\n");
// Run automated backups if required.
require_once $CFG->dirroot . '/backup/util/includes/backup_includes.php';
require_once $CFG->dirroot . '/backup/util/helper/backup_cron_helper.class.php';
backup_cron_automated_helper::run_automated_backup(backup_cron_automated_helper::RUN_IMMEDIATELY);
mtrace("Automated cron backups completed correctly");
$difftime = microtime_diff($starttime, microtime());
mtrace("Execution took " . $difftime . " seconds");
Ejemplo n.º 8
0
    public function test_next_automated_backup() {

        $this->resetAfterTest();
        $admin = get_admin();
        $timezone = $admin->timezone;

        // Notes
        // - The next automated backup will never be on the same date than $now
        // - backup_auto_weekdays starts on Sunday
        // - Tests cannot be done in the past.

        // Every Wed and Sat at 11pm.
        set_config('backup_auto_active', '1', 'backup');
        set_config('backup_auto_weekdays', '0010010', 'backup');
        set_config('backup_auto_hour', '23', 'backup');
        set_config('backup_auto_minute', '0', 'backup');

        $now = strtotime('next Monday');
        $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
        $this->assertEquals('2-23:00', date('w-H:i', $next));

        $now = strtotime('next Tuesday');
        $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
        $this->assertEquals('5-23:00', date('w-H:i', $next));

        $now = strtotime('next Wednesday');
        $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
        $this->assertEquals('5-23:00', date('w-H:i', $next));

        $now = strtotime('next Thursday');
        $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
        $this->assertEquals('5-23:00', date('w-H:i', $next));

        $now = strtotime('next Friday');
        $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
        $this->assertEquals('2-23:00', date('w-H:i', $next));

        $now = strtotime('next Saturday');
        $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
        $this->assertEquals('2-23:00', date('w-H:i', $next));

        $now = strtotime('next Sunday');
        $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
        $this->assertEquals('2-23:00', date('w-H:i', $next));

        // Every Sun and Sat at 12pm.
        set_config('backup_auto_active', '1', 'backup');
        set_config('backup_auto_weekdays', '1000001', 'backup');
        set_config('backup_auto_hour', '0', 'backup');
        set_config('backup_auto_minute', '0', 'backup');

        $now = strtotime('next Monday');
        $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
        $this->assertEquals('6-00:00', date('w-H:i', $next));

        $now = strtotime('next Tuesday');
        $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
        $this->assertEquals('6-00:00', date('w-H:i', $next));

        $now = strtotime('next Wednesday');
        $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
        $this->assertEquals('6-00:00', date('w-H:i', $next));

        $now = strtotime('next Thursday');
        $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
        $this->assertEquals('6-00:00', date('w-H:i', $next));

        $now = strtotime('next Friday');
        $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
        $this->assertEquals('6-00:00', date('w-H:i', $next));

        $now = strtotime('next Saturday');
        $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
        $this->assertEquals('0-00:00', date('w-H:i', $next));

        $now = strtotime('next Sunday');
        $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
        $this->assertEquals('6-00:00', date('w-H:i', $next));

        // Every Sun at 4am.
        set_config('backup_auto_active', '1', 'backup');
        set_config('backup_auto_weekdays', '1000000', 'backup');
        set_config('backup_auto_hour', '4', 'backup');
        set_config('backup_auto_minute', '0', 'backup');

        $now = strtotime('next Monday');
        $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
        $this->assertEquals('0-04:00', date('w-H:i', $next));

        $now = strtotime('next Tuesday');
        $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
        $this->assertEquals('0-04:00', date('w-H:i', $next));

        $now = strtotime('next Wednesday');
        $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
        $this->assertEquals('0-04:00', date('w-H:i', $next));

        $now = strtotime('next Thursday');
        $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
        $this->assertEquals('0-04:00', date('w-H:i', $next));

        $now = strtotime('next Friday');
        $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
        $this->assertEquals('0-04:00', date('w-H:i', $next));

        $now = strtotime('next Saturday');
        $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
        $this->assertEquals('0-04:00', date('w-H:i', $next));

        $now = strtotime('next Sunday');
        $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
        $this->assertEquals('0-04:00', date('w-H:i', $next));

        // Every day but Wed at 8:30pm.
        set_config('backup_auto_active', '1', 'backup');
        set_config('backup_auto_weekdays', '1110111', 'backup');
        set_config('backup_auto_hour', '20', 'backup');
        set_config('backup_auto_minute', '30', 'backup');

        $now = strtotime('next Monday');
        $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
        $this->assertEquals('2-20:30', date('w-H:i', $next));

        $now = strtotime('next Tuesday');
        $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
        $this->assertEquals('4-20:30', date('w-H:i', $next));

        $now = strtotime('next Wednesday');
        $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
        $this->assertEquals('4-20:30', date('w-H:i', $next));

        $now = strtotime('next Thursday');
        $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
        $this->assertEquals('5-20:30', date('w-H:i', $next));

        $now = strtotime('next Friday');
        $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
        $this->assertEquals('6-20:30', date('w-H:i', $next));

        $now = strtotime('next Saturday');
        $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
        $this->assertEquals('0-20:30', date('w-H:i', $next));

        $now = strtotime('next Sunday');
        $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
        $this->assertEquals('1-20:30', date('w-H:i', $next));

    }
Ejemplo n.º 9
0
 /**
  * Test {@link backup_cron_automated_helper::calculate_next_automated_backup}.
  */
 public function test_next_automated_backup()
 {
     $this->resetAfterTest();
     set_config('backup_auto_active', '1', 'backup');
     // Notes
     // - backup_auto_weekdays starts on Sunday
     // - Tests cannot be done in the past
     // - Only the DST on the server side is handled.
     // Every Tue and Fri at 11pm.
     set_config('backup_auto_weekdays', '0010010', 'backup');
     set_config('backup_auto_hour', '23', 'backup');
     set_config('backup_auto_minute', '0', 'backup');
     $timezone = 99;
     $now = strtotime('next Monday 17:00:00');
     $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
     $this->assertEquals('2-23:00', date('w-H:i', $next));
     $now = strtotime('next Tuesday 18:00:00');
     $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
     $this->assertEquals('2-23:00', date('w-H:i', $next));
     $now = strtotime('next Wednesday 17:00:00');
     $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
     $this->assertEquals('5-23:00', date('w-H:i', $next));
     $now = strtotime('next Thursday 17:00:00');
     $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
     $this->assertEquals('5-23:00', date('w-H:i', $next));
     $now = strtotime('next Friday 17:00:00');
     $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
     $this->assertEquals('5-23:00', date('w-H:i', $next));
     $now = strtotime('next Saturday 17:00:00');
     $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
     $this->assertEquals('2-23:00', date('w-H:i', $next));
     $now = strtotime('next Sunday 17:00:00');
     $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
     $this->assertEquals('2-23:00', date('w-H:i', $next));
     // Every Sun and Sat at 12pm.
     set_config('backup_auto_weekdays', '1000001', 'backup');
     set_config('backup_auto_hour', '0', 'backup');
     set_config('backup_auto_minute', '0', 'backup');
     $timezone = 99;
     $now = strtotime('next Monday 17:00:00');
     $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
     $this->assertEquals('6-00:00', date('w-H:i', $next));
     $now = strtotime('next Tuesday 17:00:00');
     $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
     $this->assertEquals('6-00:00', date('w-H:i', $next));
     $now = strtotime('next Wednesday 17:00:00');
     $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
     $this->assertEquals('6-00:00', date('w-H:i', $next));
     $now = strtotime('next Thursday 17:00:00');
     $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
     $this->assertEquals('6-00:00', date('w-H:i', $next));
     $now = strtotime('next Friday 17:00:00');
     $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
     $this->assertEquals('6-00:00', date('w-H:i', $next));
     $now = strtotime('next Saturday 17:00:00');
     $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
     $this->assertEquals('0-00:00', date('w-H:i', $next));
     $now = strtotime('next Sunday 17:00:00');
     $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
     $this->assertEquals('6-00:00', date('w-H:i', $next));
     // Every Sun at 4am.
     set_config('backup_auto_weekdays', '1000000', 'backup');
     set_config('backup_auto_hour', '4', 'backup');
     set_config('backup_auto_minute', '0', 'backup');
     $timezone = 99;
     $now = strtotime('next Monday 17:00:00');
     $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
     $this->assertEquals('0-04:00', date('w-H:i', $next));
     $now = strtotime('next Tuesday 17:00:00');
     $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
     $this->assertEquals('0-04:00', date('w-H:i', $next));
     $now = strtotime('next Wednesday 17:00:00');
     $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
     $this->assertEquals('0-04:00', date('w-H:i', $next));
     $now = strtotime('next Thursday 17:00:00');
     $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
     $this->assertEquals('0-04:00', date('w-H:i', $next));
     $now = strtotime('next Friday 17:00:00');
     $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
     $this->assertEquals('0-04:00', date('w-H:i', $next));
     $now = strtotime('next Saturday 17:00:00');
     $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
     $this->assertEquals('0-04:00', date('w-H:i', $next));
     $now = strtotime('next Sunday 17:00:00');
     $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
     $this->assertEquals('0-04:00', date('w-H:i', $next));
     // Every day but Wed at 8:30pm.
     set_config('backup_auto_weekdays', '1110111', 'backup');
     set_config('backup_auto_hour', '20', 'backup');
     set_config('backup_auto_minute', '30', 'backup');
     $timezone = 99;
     $now = strtotime('next Monday 17:00:00');
     $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
     $this->assertEquals('1-20:30', date('w-H:i', $next));
     $now = strtotime('next Tuesday 17:00:00');
     $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
     $this->assertEquals('2-20:30', date('w-H:i', $next));
     $now = strtotime('next Wednesday 17:00:00');
     $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
     $this->assertEquals('4-20:30', date('w-H:i', $next));
     $now = strtotime('next Thursday 17:00:00');
     $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
     $this->assertEquals('4-20:30', date('w-H:i', $next));
     $now = strtotime('next Friday 17:00:00');
     $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
     $this->assertEquals('5-20:30', date('w-H:i', $next));
     $now = strtotime('next Saturday 17:00:00');
     $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
     $this->assertEquals('6-20:30', date('w-H:i', $next));
     $now = strtotime('next Sunday 17:00:00');
     $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
     $this->assertEquals('0-20:30', date('w-H:i', $next));
     // Sun, Tue, Thu, Sat at 12pm.
     set_config('backup_auto_weekdays', '1010101', 'backup');
     set_config('backup_auto_hour', '0', 'backup');
     set_config('backup_auto_minute', '0', 'backup');
     $timezone = 99;
     $now = strtotime('next Monday 13:00:00');
     $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
     $this->assertEquals('2-00:00', date('w-H:i', $next));
     $now = strtotime('next Tuesday 13:00:00');
     $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
     $this->assertEquals('4-00:00', date('w-H:i', $next));
     $now = strtotime('next Wednesday 13:00:00');
     $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
     $this->assertEquals('4-00:00', date('w-H:i', $next));
     $now = strtotime('next Thursday 13:00:00');
     $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
     $this->assertEquals('6-00:00', date('w-H:i', $next));
     $now = strtotime('next Friday 13:00:00');
     $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
     $this->assertEquals('6-00:00', date('w-H:i', $next));
     $now = strtotime('next Saturday 13:00:00');
     $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
     $this->assertEquals('0-00:00', date('w-H:i', $next));
     $now = strtotime('next Sunday 13:00:00');
     $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
     $this->assertEquals('2-00:00', date('w-H:i', $next));
     // None.
     set_config('backup_auto_weekdays', '0000000', 'backup');
     set_config('backup_auto_hour', '15', 'backup');
     set_config('backup_auto_minute', '30', 'backup');
     $timezone = 99;
     $now = strtotime('next Sunday 13:00:00');
     $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
     $this->assertEquals('0', $next);
     // Playing with timezones.
     set_config('backup_auto_weekdays', '1111111', 'backup');
     set_config('backup_auto_hour', '20', 'backup');
     set_config('backup_auto_minute', '00', 'backup');
     $timezone = 99;
     date_default_timezone_set('Australia/Perth');
     $now = strtotime('18:00:00');
     $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
     $this->assertEquals(date('w-20:00'), date('w-H:i', $next));
     $timezone = 99;
     date_default_timezone_set('Europe/Brussels');
     $now = strtotime('18:00:00');
     $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
     $this->assertEquals(date('w-20:00'), date('w-H:i', $next));
     $timezone = 99;
     date_default_timezone_set('America/New_York');
     $now = strtotime('18:00:00');
     $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
     $this->assertEquals(date('w-20:00'), date('w-H:i', $next));
     // Viva Australia! (UTC+8).
     date_default_timezone_set('Australia/Perth');
     $now = strtotime('18:00:00');
     $timezone = -10.0;
     // 12am for the user.
     $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
     $this->assertEquals(date('w-14:00', strtotime('tomorrow')), date('w-H:i', $next));
     $timezone = -5.0;
     // 5am for the user.
     $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
     $this->assertEquals(date('w-09:00', strtotime('tomorrow')), date('w-H:i', $next));
     $timezone = 0.0;
     // 10am for the user.
     $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
     $this->assertEquals(date('w-04:00', strtotime('tomorrow')), date('w-H:i', $next));
     $timezone = 3.0;
     // 1pm for the user.
     $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
     $this->assertEquals(date('w-01:00', strtotime('tomorrow')), date('w-H:i', $next));
     $timezone = 8.0;
     // 6pm for the user (same than the server).
     $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
     $this->assertEquals(date('w-20:00'), date('w-H:i', $next));
     $timezone = 9.0;
     // 7pm for the user.
     $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
     $this->assertEquals(date('w-19:00'), date('w-H:i', $next));
     $timezone = 13.0;
     // 12am for the user.
     $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
     $this->assertEquals(date('w-15:00', strtotime('tomorrow')), date('w-H:i', $next));
     // Let's have a Belgian beer! (UTC+1 / UTC+2 DST).
     date_default_timezone_set('Europe/Brussels');
     $now = strtotime('18:00:00');
     $dst = date('I');
     $timezone = -10.0;
     // 7am for the user.
     $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
     $expected = !$dst ? date('w-07:00', strtotime('tomorrow')) : date('w-08:00', strtotime('tomorrow'));
     $this->assertEquals($expected, date('w-H:i', $next));
     $timezone = -5.0;
     // 12pm for the user.
     $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
     $expected = !$dst ? date('w-02:00', strtotime('tomorrow')) : date('w-03:00', strtotime('tomorrow'));
     $this->assertEquals($expected, date('w-H:i', $next));
     $timezone = 0.0;
     // 5pm for the user.
     $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
     $expected = !$dst ? date('w-21:00') : date('w-22:00');
     $this->assertEquals($expected, date('w-H:i', $next));
     $timezone = 3.0;
     // 8pm for the user (note the expected time is today while in DST).
     $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
     $expected = !$dst ? date('w-18:00', strtotime('tomorrow')) : date('w-19:00');
     $this->assertEquals($expected, date('w-H:i', $next));
     $timezone = 8.0;
     // 1am for the user.
     $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
     $expected = !$dst ? date('w-13:00', strtotime('tomorrow')) : date('w-14:00', strtotime('tomorrow'));
     $this->assertEquals($expected, date('w-H:i', $next));
     $timezone = 9.0;
     // 2am for the user.
     $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
     $expected = !$dst ? date('w-12:00', strtotime('tomorrow')) : date('w-13:00', strtotime('tomorrow'));
     $this->assertEquals($expected, date('w-H:i', $next));
     $timezone = 13.0;
     // 6am for the user.
     $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
     $expected = !$dst ? date('w-08:00', strtotime('tomorrow')) : date('w-09:00', strtotime('tomorrow'));
     $this->assertEquals($expected, date('w-H:i', $next));
     // The big apple! (UTC-5 / UTC-4 DST).
     date_default_timezone_set('America/New_York');
     $now = strtotime('18:00:00');
     $dst = date('I');
     $timezone = -10.0;
     // 1pm for the user.
     $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
     $expected = !$dst ? date('w-01:00', strtotime('tomorrow')) : date('w-02:00', strtotime('tomorrow'));
     $this->assertEquals($expected, date('w-H:i', $next));
     $timezone = -5.0;
     // 6pm for the user (server time).
     $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
     $expected = !$dst ? date('w-20:00') : date('w-21:00');
     $this->assertEquals($expected, date('w-H:i', $next));
     $timezone = 0.0;
     // 11pm for the user.
     $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
     $expected = !$dst ? date('w-15:00', strtotime('tomorrow')) : date('w-16:00', strtotime('tomorrow'));
     $this->assertEquals($expected, date('w-H:i', $next));
     $timezone = 3.0;
     // 2am for the user.
     $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
     $expected = !$dst ? date('w-12:00', strtotime('tomorrow')) : date('w-13:00', strtotime('tomorrow'));
     $this->assertEquals($expected, date('w-H:i', $next));
     $timezone = 8.0;
     // 7am for the user.
     $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
     $expected = !$dst ? date('w-07:00', strtotime('tomorrow')) : date('w-08:00', strtotime('tomorrow'));
     $this->assertEquals($expected, date('w-H:i', $next));
     $timezone = 9.0;
     // 8am for the user.
     $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
     $expected = !$dst ? date('w-06:00', strtotime('tomorrow')) : date('w-07:00', strtotime('tomorrow'));
     $this->assertEquals($expected, date('w-H:i', $next));
     $timezone = 13.0;
     // 6am for the user.
     $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
     $expected = !$dst ? date('w-02:00', strtotime('tomorrow')) : date('w-03:00', strtotime('tomorrow'));
     $this->assertEquals($expected, date('w-H:i', $next));
     // Some more timezone tests
     set_config('backup_auto_weekdays', '0100001', 'backup');
     set_config('backup_auto_hour', '20', 'backup');
     set_config('backup_auto_minute', '00', 'backup');
     date_default_timezone_set('Europe/Brussels');
     $now = strtotime('next Monday 18:00:00');
     $dst = date('I');
     $timezone = -12.0;
     // 1pm for the user.
     $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
     $expected = !$dst ? '2-09:00' : '2-10:00';
     $this->assertEquals($expected, date('w-H:i', $next));
     $timezone = -4.0;
     // 1pm for the user.
     $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
     $expected = !$dst ? '2-01:00' : '2-02:00';
     $this->assertEquals($expected, date('w-H:i', $next));
     $timezone = 0.0;
     // 5pm for the user.
     $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
     $expected = !$dst ? '1-21:00' : '1-22:00';
     $this->assertEquals($expected, date('w-H:i', $next));
     $timezone = 2.0;
     // 7pm for the user.
     $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
     $expected = !$dst ? '1-19:00' : '1-20:00';
     $this->assertEquals($expected, date('w-H:i', $next));
     $timezone = 4.0;
     // 9pm for the user.
     $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
     $expected = !$dst ? '6-17:00' : '6-18:00';
     $this->assertEquals($expected, date('w-H:i', $next));
     $timezone = 12.0;
     // 6am for the user.
     $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
     $expected = !$dst ? '6-09:00' : '6-10:00';
     $this->assertEquals($expected, date('w-H:i', $next));
     // Some more timezone tests
     set_config('backup_auto_weekdays', '0100001', 'backup');
     set_config('backup_auto_hour', '02', 'backup');
     set_config('backup_auto_minute', '00', 'backup');
     date_default_timezone_set('America/New_York');
     $now = strtotime('next Monday 04:00:00');
     $dst = date('I');
     $timezone = -12.0;
     // 8pm for the user.
     $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
     $expected = !$dst ? '1-09:00' : '1-10:00';
     $this->assertEquals($expected, date('w-H:i', $next));
     $timezone = -4.0;
     // 4am for the user.
     $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
     $expected = !$dst ? '6-01:00' : '6-02:00';
     $this->assertEquals($expected, date('w-H:i', $next));
     $timezone = 0.0;
     // 8am for the user.
     $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
     $expected = !$dst ? '5-21:00' : '5-22:00';
     $this->assertEquals($expected, date('w-H:i', $next));
     $timezone = 2.0;
     // 10am for the user.
     $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
     $expected = !$dst ? '5-19:00' : '5-20:00';
     $this->assertEquals($expected, date('w-H:i', $next));
     $timezone = 4.0;
     // 12pm for the user.
     $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
     $expected = !$dst ? '5-17:00' : '5-18:00';
     $this->assertEquals($expected, date('w-H:i', $next));
     $timezone = 12.0;
     // 8pm for the user.
     $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
     $expected = !$dst ? '5-09:00' : '5-10:00';
     $this->assertEquals($expected, date('w-H:i', $next));
 }
Ejemplo n.º 10
0
 /**
  * Provides access to protected method get_backups_to_remove.
  *
  * @param array $backupfiles Existing backup files
  * @param int $now Starting time of the process
  * @return array Backup files to remove
  */
 public static function testable_get_backups_to_delete($backupfiles, $now)
 {
     return parent::get_backups_to_delete($backupfiles, $now);
 }
Ejemplo n.º 11
0
 /**
  * Test {@link backup_cron_automated_helper::calculate_next_automated_backup}.
  */
 public function test_next_automated_backup()
 {
     global $CFG;
     $this->resetAfterTest();
     set_config('backup_auto_active', '1', 'backup');
     $this->setTimezone('Australia/Perth');
     // Notes
     // - backup_auto_weekdays starts on Sunday
     // - Tests cannot be done in the past
     // - Only the DST on the server side is handled.
     // Every Tue and Fri at 11pm.
     set_config('backup_auto_weekdays', '0010010', 'backup');
     set_config('backup_auto_hour', '23', 'backup');
     set_config('backup_auto_minute', '0', 'backup');
     $timezone = 99;
     // Ignored, everything is calculated in server timezone!!!
     $now = strtotime('next Monday 17:00:00');
     $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
     $this->assertEquals('2-23:00', date('w-H:i', $next));
     $now = strtotime('next Tuesday 18:00:00');
     $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
     $this->assertEquals('2-23:00', date('w-H:i', $next));
     $now = strtotime('next Wednesday 17:00:00');
     $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
     $this->assertEquals('5-23:00', date('w-H:i', $next));
     $now = strtotime('next Thursday 17:00:00');
     $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
     $this->assertEquals('5-23:00', date('w-H:i', $next));
     $now = strtotime('next Friday 17:00:00');
     $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
     $this->assertEquals('5-23:00', date('w-H:i', $next));
     $now = strtotime('next Saturday 17:00:00');
     $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
     $this->assertEquals('2-23:00', date('w-H:i', $next));
     $now = strtotime('next Sunday 17:00:00');
     $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
     $this->assertEquals('2-23:00', date('w-H:i', $next));
     // Every Sun and Sat at 12pm.
     set_config('backup_auto_weekdays', '1000001', 'backup');
     set_config('backup_auto_hour', '0', 'backup');
     set_config('backup_auto_minute', '0', 'backup');
     $now = strtotime('next Monday 17:00:00');
     $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
     $this->assertEquals('6-00:00', date('w-H:i', $next));
     $now = strtotime('next Tuesday 17:00:00');
     $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
     $this->assertEquals('6-00:00', date('w-H:i', $next));
     $now = strtotime('next Wednesday 17:00:00');
     $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
     $this->assertEquals('6-00:00', date('w-H:i', $next));
     $now = strtotime('next Thursday 17:00:00');
     $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
     $this->assertEquals('6-00:00', date('w-H:i', $next));
     $now = strtotime('next Friday 17:00:00');
     $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
     $this->assertEquals('6-00:00', date('w-H:i', $next));
     $now = strtotime('next Saturday 17:00:00');
     $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
     $this->assertEquals('0-00:00', date('w-H:i', $next));
     $now = strtotime('next Sunday 17:00:00');
     $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
     $this->assertEquals('6-00:00', date('w-H:i', $next));
     // Every Sun at 4am.
     set_config('backup_auto_weekdays', '1000000', 'backup');
     set_config('backup_auto_hour', '4', 'backup');
     set_config('backup_auto_minute', '0', 'backup');
     $now = strtotime('next Monday 17:00:00');
     $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
     $this->assertEquals('0-04:00', date('w-H:i', $next));
     $now = strtotime('next Tuesday 17:00:00');
     $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
     $this->assertEquals('0-04:00', date('w-H:i', $next));
     $now = strtotime('next Wednesday 17:00:00');
     $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
     $this->assertEquals('0-04:00', date('w-H:i', $next));
     $now = strtotime('next Thursday 17:00:00');
     $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
     $this->assertEquals('0-04:00', date('w-H:i', $next));
     $now = strtotime('next Friday 17:00:00');
     $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
     $this->assertEquals('0-04:00', date('w-H:i', $next));
     $now = strtotime('next Saturday 17:00:00');
     $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
     $this->assertEquals('0-04:00', date('w-H:i', $next));
     $now = strtotime('next Sunday 17:00:00');
     $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
     $this->assertEquals('0-04:00', date('w-H:i', $next));
     // Every day but Wed at 8:30pm.
     set_config('backup_auto_weekdays', '1110111', 'backup');
     set_config('backup_auto_hour', '20', 'backup');
     set_config('backup_auto_minute', '30', 'backup');
     $now = strtotime('next Monday 17:00:00');
     $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
     $this->assertEquals('1-20:30', date('w-H:i', $next));
     $now = strtotime('next Tuesday 17:00:00');
     $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
     $this->assertEquals('2-20:30', date('w-H:i', $next));
     $now = strtotime('next Wednesday 17:00:00');
     $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
     $this->assertEquals('4-20:30', date('w-H:i', $next));
     $now = strtotime('next Thursday 17:00:00');
     $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
     $this->assertEquals('4-20:30', date('w-H:i', $next));
     $now = strtotime('next Friday 17:00:00');
     $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
     $this->assertEquals('5-20:30', date('w-H:i', $next));
     $now = strtotime('next Saturday 17:00:00');
     $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
     $this->assertEquals('6-20:30', date('w-H:i', $next));
     $now = strtotime('next Sunday 17:00:00');
     $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
     $this->assertEquals('0-20:30', date('w-H:i', $next));
     // Sun, Tue, Thu, Sat at 12pm.
     set_config('backup_auto_weekdays', '1010101', 'backup');
     set_config('backup_auto_hour', '0', 'backup');
     set_config('backup_auto_minute', '0', 'backup');
     $now = strtotime('next Monday 13:00:00');
     $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
     $this->assertEquals('2-00:00', date('w-H:i', $next));
     $now = strtotime('next Tuesday 13:00:00');
     $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
     $this->assertEquals('4-00:00', date('w-H:i', $next));
     $now = strtotime('next Wednesday 13:00:00');
     $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
     $this->assertEquals('4-00:00', date('w-H:i', $next));
     $now = strtotime('next Thursday 13:00:00');
     $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
     $this->assertEquals('6-00:00', date('w-H:i', $next));
     $now = strtotime('next Friday 13:00:00');
     $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
     $this->assertEquals('6-00:00', date('w-H:i', $next));
     $now = strtotime('next Saturday 13:00:00');
     $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
     $this->assertEquals('0-00:00', date('w-H:i', $next));
     $now = strtotime('next Sunday 13:00:00');
     $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
     $this->assertEquals('2-00:00', date('w-H:i', $next));
     // None.
     set_config('backup_auto_weekdays', '0000000', 'backup');
     set_config('backup_auto_hour', '15', 'backup');
     set_config('backup_auto_minute', '30', 'backup');
     $now = strtotime('next Sunday 13:00:00');
     $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
     $this->assertEquals('0', $next);
     // Playing with timezones.
     set_config('backup_auto_weekdays', '1111111', 'backup');
     set_config('backup_auto_hour', '20', 'backup');
     set_config('backup_auto_minute', '00', 'backup');
     $this->setTimezone('Australia/Perth');
     $now = strtotime('18:00:00');
     $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
     $this->assertEquals(date('w-20:00'), date('w-H:i', $next));
     $this->setTimezone('Europe/Brussels');
     $now = strtotime('18:00:00');
     $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
     $this->assertEquals(date('w-20:00'), date('w-H:i', $next));
     $this->setTimezone('America/New_York');
     $now = strtotime('18:00:00');
     $next = backup_cron_automated_helper::calculate_next_automated_backup($timezone, $now);
     $this->assertEquals(date('w-20:00'), date('w-H:i', $next));
 }