Automatically purge old cache content on launch (closes #8.)

.sandstorm/changelog.md

@@ -1,6 +1,11 @@
-# 2016-06-26a-sandstorm5 (2016-11-17)
+# 2016-06-26a-sandstorm6 (2017-03-14)
+
+ * Now cleans up cached content older than 30 days, as well as removing stale locks and other useless data
+
+# 2016-06-26a-sandstorm5 (2017-03-14)
 
  * Create default @user ACL rule
+ * Fix issue where recursive symlinks broke previous grains
 
 # V2016-06-26a-sandstorm4 (2016-10-14)
 

.sandstorm/launcher.sh

@@ -49,5 +49,29 @@ grep -Ev '^($|#)' /opt/app/dokuwiki/data.orig/deleted.files | xargs -n 1 rm -vrf
 
 cp /opt/app/acl.auth.php /var/lib/dokuwiki/conf
 
+function cleanup()
+{
+    local data_path="$1"        # full path to data directory of wiki
+    local retention_days="$2"   # number of days after which old files are to be removed
+ 
+    # purge files older than ${retention_days} days from attic and media_attic (old revisions)
+    find "${data_path}"/{media_,}attic/ -type f -mtime +${retention_days} -delete
+ 
+    # remove stale lock files (files which are 1-2 days old)
+    find "${data_path}"/locks/ -name '*.lock' -type f -mtime +1 -delete
+ 
+    # remove empty directories
+    find "${data_path}"/{attic,cache,index,locks,media,media_attic,media_meta,meta,pages,tmp}/ \
+        -mindepth 1 -type d -empty -delete
+ 
+    # remove files older than ${retention_days} days from the cache
+    if [ -e "${data_path}"/cache/?/ ]
+    then
+        find "${data_path}"/cache/?/ -type f -mtime +${retention_days} -delete
+    fi
+}
+
+cleanup /var/lib/dokuwiki/data    30
+
 # Start nginx.
 /usr/sbin/nginx -c /opt/app/.sandstorm/service-config/nginx.conf -g "daemon off;"

.sandstorm/sandstorm-files.list

@@ -5284,6 +5284,7 @@ sandstorm-http-bridge
 sandstorm-http-bridge-config
 sandstorm-manifest
 usr/bin/file
+usr/bin/find
 usr/bin/id
 usr/bin/rsync
 usr/bin/touch