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# Date Author Comment
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....

8ef418bb 06/12/2013 10:18 am Helga Velroyen

Remove XEN_CMD from constants, adjust to PowercycleNode

This patch extend the RPC to powercycle a node by a
hvparams parameter. This parameter is used by the
xen hypervisor to determine which xen command to use.
The respective LU is adjusted as well.

Since this was the last operation depending on the...

398fd4f6 06/12/2013 10:18 am Helga Velroyen

hv_xen.py: make hvparams mandatory, remove fallbacks

This patch removes the fallback to the xen command from the
auto config and adds an exception instead. Also, the
hvparams parameter of the functions GetCommand, _RunXen and
_GetInstanceList are made mandatory....

030ab01a 06/12/2013 10:18 am Helga Velroyen

Add hvparams to RPC call 'node_info'

This patch adds the hvparams parameter to the RPC call
'node_info'. It also adjusts the related code in noded.py
and Query/Node.hs

Signed-off-by: Helga Velroyen <>
Reviewed-by: Thomas Thrainer <>

439e1d3f 06/12/2013 10:18 am Helga Velroyen

backend.py: use hvparams in GetNodeInfo

This patch extends the GetNodeInfo function of the backend
module by a hvparams parameter. For now, it contains a
fallback solution for when the parameter is None. This
fallback will be removed in a later patch of this series....

fac489a5 06/12/2013 10:17 am Helga Velroyen

hypervisors: add hvparams to GetNodeInfo

This patch extends the GetNodeInfo function of the
hypervisors by a hvparams parameter. The parameter
is currently only used by the xen hypervisor to determine
which xen toolstack ('xm' or 'xl') to use.

Signed-off-by: Helga Velroyen <>...

2609da63 06/12/2013 10:17 am Helga Velroyen

hv_xen.py: renaming residual 'xm' occurrences

Some methods still refered to 'xm', which is inaccurate now
that xen can also be run with 'xl'. No functional changes
otherwise.

Signed-off-by: Helga Velroyen <>
Reviewed-by: Thomas Thrainer <>

def6577f 06/12/2013 10:17 am Helga Velroyen

Include hvparams in ssconf files

The watcher needs access to the cluster's hypervisor
parameters. This patch extends the ssconf infrastructure
by adding a hvparams file for each hypervisor. The format
of the hvparams file is a simple key=value format.

Signed-off-by: Helga Velroyen <>...

8351df2f 06/12/2013 10:17 am Helga Velroyen

Use hvparams in instance migration

This patch makes use of hvparams on instance migration to
determine the list of instance before the migration. This way, in
xen, the xl/xm choice is respected.

Signed-off-by: Helga Velroyen <>
Reviewed-by: Thomas Thrainer <>

75bf3149 06/12/2013 10:17 am Helga Velroyen

Verify: xen toolstack, hypervisor and hvparams

This patch extends the node verification by:
- Adding a check for the xen toolstack when the hypervisor
is verified.
- Factoring out the hypervisor verification in a
subfunction to increase testability.
- Factoring out the hvparams verification in a...

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