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MDL-32148 Backup: Adding config settings for skipping courses in automated backups

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This commit is contained in:
Jean-Philippe Gaudreau 2012-09-19 16:11:16 -04:00
parent ccd90e765e
commit 914442ae29
3 changed files with 77 additions and 16 deletions
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19
admin/settings/courses.php
View File

@ -169,6 +169,25 @@ if ($hassiteconfig
500 => '500');
$temp->add(new admin_setting_configselect('backup/backup_auto_keep', new lang_string('keep'), new lang_string('backupkeephelp'), 1, $keepoptoins));
$temp->add(new admin_setting_configcheckbox('backup/backup_shortname', new lang_string('backup_shortname', 'admin'), new lang_string('backup_shortnamehelp', 'admin'), 0));
$temp->add(new admin_setting_configcheckbox('backup/backup_auto_skip_hidden', new lang_string('skiphidden', 'backup'), new lang_string('skiphiddenhelp', 'backup'), 1));
$temp->add(new admin_setting_configselect('backup/backup_auto_skip_modif_days', new lang_string('skipmodifdays', 'backup'), new lang_string('skipmodifdayshelp', 'backup'), 30, array(
0 => new lang_string('never'),
1 => new lang_string('numdays', '', 1),
2 => new lang_string('numdays', '', 2),
3 => new lang_string('numdays', '', 3),
5 => new lang_string('numdays', '', 5),
7 => new lang_string('numdays', '', 7),
10 => new lang_string('numdays', '', 10),
14 => new lang_string('numdays', '', 14),
20 => new lang_string('numdays', '', 20),
30 => new lang_string('numdays', '', 30),
60 => new lang_string('numdays', '', 60),
90 => new lang_string('numdays', '', 90),
120 => new lang_string('numdays', '', 120),
180 => new lang_string('numdays', '', 180),
365 => new lang_string('numdays', '', 365)
)));
$temp->add(new admin_setting_configcheckbox('backup/backup_auto_skip_modif_prev', new lang_string('skipmodifprev', 'backup'), new lang_string('skipmodifprevhelp', 'backup'), 0));
// Automated defaults section.
$temp->add(new admin_setting_heading('automatedsettings', new lang_string('automatedsettings','backup'), ''));

68
backup/util/helper/backup_cron_helper.class.php
View File

@ -69,6 +69,7 @@ abstract class backup_cron_automated_helper {
$status = true;
$emailpending = false;
$now = time();
$config = get_config('backup');
mtrace("Checking automated backup status",'...');
$state = backup_cron_automated_helper::get_automated_backup_state($rundirective);
@ -127,37 +128,72 @@ abstract class backup_cron_automated_helper {
// Skip courses that do not yet need backup
$skipped = !(($backupcourse->nextstarttime > 0 && $backupcourse->nextstarttime < $now) || $rundirective == self::RUN_IMMEDIATELY);
$skippedmessage = 'Do not yet need backup';
if ($skipped && $backupcourse->nextstarttime != $nextstarttime) {
$backupcourse->nextstarttime = $nextstarttime;
$backupcourse->laststatus = backup_cron_automated_helper::BACKUP_STATUS_SKIPPED;
$backupcourse->laststatus = self::BACKUP_STATUS_SKIPPED;
$DB->update_record('backup_courses', $backupcourse);
mtrace('Backup of \'' . $course->fullname . '\' is scheduled on ' . $showtime);
}
// Skip backup of unavailable courses that have remained unmodified in a month
if (!$skipped && empty($course->visible) && ($now - $course->timemodified) > 31*24*60*60) { //Hidden + settings were unmodified last month
//Check log if there were any modifications to the course content
$sqlwhere = "course=:courseid AND time>:time AND ". $DB->sql_like('action', ':action', false, true, true);
$params = array('courseid' => $course->id, 'time' => $now-31*24*60*60, 'action' => '%view%');
$logexists = $DB->record_exists_select('log', $sqlwhere, $params);
if (!$logexists) {
$backupcourse->laststatus = self::BACKUP_STATUS_SKIPPED;
$backupcourse->nextstarttime = $nextstarttime;
$DB->update_record('backup_courses', $backupcourse);
mtrace('Skipping unchanged course '.$course->fullname);
$skipped = true;
// Check courses that must be skipped from settings.
if (!$skipped) {
// If config backup_auto_skip_hidden is set to true, skip courses that are not visible.
$skipped = ($config->backup_auto_skip_hidden && !$course->visible);
$skippedmessage = 'Not visible';
if (!$skipped) {
$sqlwhere = "course=:courseid AND time>:time AND ".$DB->sql_like('action', ':action', false, true, true);
// If config backup_auto_skip_modif_days is set to true, skip courses
// that have not been modified since the number of days defined.
if ($config->backup_auto_skip_modif_days) {
$timenotmodifsincedays = $now - ($config->backup_auto_skip_modif_days * DAYSECS);
//Check log if there were any modifications to the course content.
$params = array('courseid' => $course->id,
'time' => $timenotmodifsincedays,
'action' => '%view%');
$logexists = $DB->record_exists_select('log', $sqlwhere, $params);
$skipped = ($course->timemodified <= $timenotmodifsincedays && !$logexists);
$skippedmessage = 'Not modified since '.$config->backup_auto_skip_modif_days.' days';
}
// If config backup_auto_skip_modif_prev is set to true, skip courses
// that have not been modified since previous backup.
if (!$skipped && $config->backup_auto_skip_modif_prev) {
// Make sure that backup last status is OK or SKIPPED.
$hasrightstatus = $backupcourse->laststatus == self::BACKUP_STATUS_SKIPPED ||
$backupcourse->laststatus == self::BACKUP_STATUS_OK;
if ($hasrightstatus) {
//Check log if there were any modifications to the course content.
$params = array('courseid' => $course->id,
'time' => $backupcourse->laststarttime,
'action' => '%view%');
$logexists = $DB->record_exists_select('log', $sqlwhere, $params);
$skipped = ($course->timemodified <= $backupcourse->laststarttime && !$logexists);
$skippedmessage = 'Not modified since previous backup';
}
}
}
}
//Now we backup every non-skipped course
if (!$skipped) {
// Skip courses not needed for backup.
if ($skipped) {
$backupcourse->laststatus = self::BACKUP_STATUS_SKIPPED;
$backupcourse->nextstarttime = $nextstarttime;
$DB->update_record('backup_courses', $backupcourse);
mtrace('Skipping '.$course->fullname.' ('.$skippedmessage.')');
}
// Backup every non-skipped courses.
else {
mtrace('Backing up '.$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) {
if ($backupcourse->laststatus != self::BACKUP_STATUS_UNFINISHED) {
//Set laststarttime
$starttime = time();

6
lang/en/backup.php
View File

@ -239,5 +239,11 @@ $string['setting_course_shortname'] = 'Course short name';
$string['setting_course_startdate'] = 'Course startdate';
$string['setting_keep_roles_and_enrolments'] = 'Keep current roles and enrolments';
$string['setting_keep_groups_and_groupings'] = 'Keep current groups and groupings';
$string['skiphidden'] = 'Skip hidden courses';
$string['skiphiddenhelp'] = 'Choose whether or not to skip hidden courses';
$string['skipmodifdays'] = 'Skip courses not modified since';
$string['skipmodifdayshelp'] = 'Choose to skip courses that have not been modified since a number of days';
$string['skipmodifprev'] = 'Skip courses not modified since previous backup';
$string['skipmodifprevhelp'] = 'Choose whether or not to skip courses that have not been modified since previous backup';
$string['totalcategorysearchresults'] = 'Total categories: {$a}';
$string['totalcoursesearchresults'] = 'Total courses: {$a}';