8 Needed by software-type development (default) and zope.
12 Software URL of an existing frontend.
13 XXX: meaning should change (or it will go away) in order to be resilient to
14 software updates - as they are visible at software-url level.
15 If it is not provided, no frontend will be requested.
17 frontend-instance-guid
18 ~~~~~~~~~~~~~~~~~~~~~~
19 GUID of frontend instance.
20 Not perfect yet: if that instance is replaced, slaves have to be reconfigured.
21 Mandatory only if frontend-software-url is also provided.
22 XXX: should be complemented (or replaced) by more flexible and precise
25 frontend-software-type (optional)
26 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
27 Frontend software type as defined by the software relase at
28 frontend-software-url.
30 frontend-domain (optional)
31 ~~~~~~~~~~~~~~~~~~~~~~~~~~
32 Domain name frontend must recognise as belonging to this instance.