Merge pull request #15269 from GuiLeme/override-variables-cronjob

feat(bbb-config): Override of cronjob variables

bigbluebutton-config/cron.daily/bigbluebutton

@@ -21,13 +21,19 @@
 test -x /var/bigbluebutton || exit 0
 
 #
-# How N days back to keep files
+# Defaults to decide how many days back to keep files
+# If you need to change them, do so in /etc/default/bigbluebutton-cron-config
 #
 history=5
 unrecorded_days=14
 published_days=14
 log_history=28
 
+# Load variables from /etc/default/bigbluebutton-cron-config if it exists
+if [ -r /etc/default/bigbluebutton-cron-config ]; then
+  . /etc/default/bigbluebutton-cron-config
+fi
+
 #
 # Delete presentations older than N days
 #