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# Date Author Comment
ff1c051b 03/04/2014 11:41 am Thomas Thrainer

Use node UUIDs for executing LU hooks

LUNodeAdd, the only LU using a node name still, is changed to overwrite
PreparePostHookNodes() and use node UUIDs only as well.
This allows to remove the support for 3-tuples as results of
BuildHooksNodes() and removes the translation to node names....
237a833c 03/04/2014 11:40 am Thomas Thrainer

Add PreparePostHookNodes to LUs

This method can be used to alter the list of node UUIDs on which post
hooks are executed. PreparePostHookNodes is called after Exec, so LUs
can use data only known after the execution of the LU.

Signed-off-by: Thomas Thrainer <>...
1c3231aa 06/13/2013 12:32 pm Thomas Thrainer

Index nodes by their UUID

No longer index nodes by their name but by their UUID in the cluster
config. This change changes large parts of the code, as the following
adjustments were necessary: * Change the index key to UUID in the configuration and the
ConfigWriter, including all methods....
68d95757 04/17/2013 09:27 am Guido Trotter

Move HooksMaster out of the mcpu module

We need to do this, so that backend.py doesn't need to import mcpu, and
thus indirectly cmdlib. This reduces the size of the node daemon by
about half, which is very important as it is pinned in memory.

This solves Issue 419....