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authordoktornotor <notordoktor@gmail.com>2015-09-30 15:24:26 +0200
committerdoktornotor <notordoktor@gmail.com>2015-09-30 15:24:26 +0200
commitb27ad1190a1a6360a9b61c488a9843f66d42125d (patch)
treeccef525ce4a8a04f31369fa273136be1f8145c3c /config/squid3/34
parent49050e47642d7fbfdbd286dfec149ef74b83f179 (diff)
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Do not leave orphaned cache dirs if harddisk_cache_location changed
The old cache dir will ONLY get deleted when located under /var/squid/ to prevent nasty accidents.
Diffstat (limited to 'config/squid3/34')
-rwxr-xr-xconfig/squid3/34/squid_cache.xml30
1 files changed, 30 insertions, 0 deletions
diff --git a/config/squid3/34/squid_cache.xml b/config/squid3/34/squid_cache.xml
index a5e73f80..2045005c 100755
--- a/config/squid3/34/squid_cache.xml
+++ b/config/squid3/34/squid_cache.xml
@@ -403,10 +403,40 @@
<encoding>base64</encoding>
</field>
</fields>
+ <custom_php_command_before_form>
+ <![CDATA[
+ global $oldcachedir;
+ // do not leave orphaned cachedirs if harddisk_cache_location changed
+ if ($_POST['harddisk_cache_location'] != $config['installedpackages']['squidcache']['config'][0]['harddisk_cache_location']) {
+ $oldcachedir = $config['installedpackages']['squidcache']['config'][0]['harddisk_cache_location'];
+ $cachedir_changed = true;
+ }
+ ]]>
+ </custom_php_command_before_form>
<custom_php_validation_command>
squid_validate_cache($_POST, $input_errors);
</custom_php_validation_command>
<custom_php_resync_config_command>
+ <![CDATA[
+ if ($cachedir_changed) {
+ // only delete directories under sane paths automatically
+ if (substr($oldcachedir, 0, 11) === "/var/squid/") {
+ log_error("Deleting Squid cache dir '{$oldcachedir}' since 'Hard Disk Cache Location' changed to '{$_POST['harddisk_cache_location']}'.");
+ // cannot nuke disk cache while Squid is running
+ squid_stop_monitor();
+ if (is_service_running('squid')) {
+ stop_service("squid");
+ }
+ rename($oldcachedir, "{$oldcachedir}.old");
+ mwexec_bg("/bin/rm -rf {$oldcachedir}.old");
+ // new cachedir will be created on squid_resync() below which calls squid_dash_z()
+ // also the services will get restarted there
+ } else {
+ log_error("'Hard Disk Cache Location' changed to '{$_POST['harddisk_cache_location']}'.");
+ log_error("Will NOT delete Squid cache dir '{$oldcachedir}' since it is not located under /var/squid. Delete manually if required.");
+ }
+ }
squid_resync();
+ ]]>
</custom_php_resync_config_command>
</packagegui>