[Bug 548458] [NEW] uec-component-listener needs to respect deregistered components

[Dustin Kirkland]

Public bug reported:

uec-component-listener currently watches the network for new uec
components broadcasting avahi messages.

It appears to me that if I manually deregister a node, but leave it
running on the network (ie, eucalyptu-nc-publication is still running),
eventually the component listener will automatically register the node
again.

There's a few ways we could handle this (including documenting that the
node must be removed from the network or the publication job stopped).

I think it would make sense if we created a blacklist of manually
deregistered components (like nodes.list).  This could be a flat file,
or could be merged and denoted in the existing list.  There's a lot of
ways of doing this.  I think we should discuss it and try to solve this
in a manner that makes sense.

** Affects: eucalyptus (Ubuntu)
     Importance: Medium
     Assignee: Thierry Carrez (ttx)
         Status: Triaged

** Changed in: eucalyptus (Ubuntu)
       Status: New => Triaged

** Changed in: eucalyptus (Ubuntu)
   Importance: Undecided => Medium

** Changed in: eucalyptus (Ubuntu)
     Assignee: (unassigned) => Thierry Carrez (ttx)

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uec-component-listener needs to respect deregistered components
https://bugs.launchpad.net/bugs/548458
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