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Revision d833acc6

IDd833acc6028900b802563fa6344ff57d3dcee48c

Added by Iustin Pop almost 13 years ago

Prevent readding of the master node

This breaks Ganeti in multiple ways. If we don't make the check in
gnt-node itself, then bootstrap.SetupNodeDaemon will restart the
master daemon, making the operation fail:

node1# gnt-node add --readd node1
  Cannot communicate with the master daemon.
  Is it running and listening for connections?

The check in cmdlib is more of a safety check, as we shouldn't reach
it. If we do (via a bad client), then it will prevent breakage in the
job queue/config handling.

Signed-off-by: Iustin Pop <>
Reviewed-by: Michael Hanselmann <>

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