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Merge pull request #2838 from annando/1610-dbstructure-maintenance

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dbstructure now switches in the maintenance mode when updating
This commit is contained in:
rabuzarus 2016-10-02 16:21:35 +02:00 committed by GitHub
parent fa33f94b29 6d16c39b7e
commit 32f49b4de2
3 changed files with 18 additions and 0 deletions
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6
include/dbstructure.php
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@ -126,6 +126,9 @@ function print_structure($database, $charset) {
function update_structure($verbose, $action, $tables=null, $definition=null) {
global $a, $db;
if ($action)
set_config('system', 'maintenance', 1);
if (isset($a->config["system"]["db_charset"]))
$charset = $a->config["system"]["db_charset"];
else
@ -241,6 +244,9 @@ function update_structure($verbose, $action, $tables=null, $definition=null) {
}
}
if ($action)
set_config('system', 'maintenance', 0);
return $errors;
}

8
include/poller.php
View file

@ -29,6 +29,10 @@ function poller_run(&$argv, &$argc){
unset($db_host, $db_user, $db_pass, $db_data);
};
// Quit when in maintenance
if (get_config('system', 'maintenance', true))
return;
$a->start_process();
$mypid = getmypid();
@ -71,6 +75,10 @@ function poller_run(&$argv, &$argc){
while ($r = q("SELECT * FROM `workerqueue` WHERE `executed` = '0000-00-00 00:00:00' ORDER BY `priority`, `created` LIMIT 1")) {
// Quit when in maintenance
if (get_config('system', 'maintenance', true))
return;
// Constantly check the number of parallel database processes
if ($a->max_processes_reached())
return;

4
mod/maintenance.php
View file

@ -1,6 +1,10 @@
<?php
function maintenance_content(&$a) {
header('HTTP/1.1 503 Service Temporarily Unavailable');
header('Status: 503 Service Temporarily Unavailable');
header('Retry-After: 600');
return replace_macros(get_markup_template('maintenance.tpl'), array(
'$sysdown' => t('System down for maintenance')
));