backend.py: use hvparams in GetNodeInfo
This patch extends the GetNodeInfo function of the backendmodule by a hvparams parameter. For now, it contains afallback solution for when the parameter is None. Thisfallback will be removed in a later patch of this series....
hypervisors: add hvparams to GetNodeInfo
This patch extends the GetNodeInfo function of thehypervisors by a hvparams parameter. The parameteris currently only used by the xen hypervisor to determinewhich xen toolstack ('xm' or 'xl') to use.
Signed-off-by: Helga Velroyen <helgav@google.com>...
hv_xen.py: renaming residual 'xm' occurrences
Some methods still refered to 'xm', which is inaccurate nowthat xen can also be run with 'xl'. No functional changesotherwise.
Signed-off-by: Helga Velroyen <helgav@google.com>Reviewed-by: Thomas Thrainer <thomasth@google.com>
Include hvparams in ssconf files
The watcher needs access to the cluster's hypervisorparameters. This patch extends the ssconf infrastructureby adding a hvparams file for each hypervisor. The formatof the hvparams file is a simple key=value format.
Use hvparams in instance migration
This patch makes use of hvparams on instance migration todetermine the list of instance before the migration. This way, inxen, the xl/xm choice is respected.
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...
backend.py: hvparams in 'GetInstanceList'
Propagating the use of hvparams further up the callinghierarchy, this patch makes the backend module use thehvparams in 'GetInstanceList'. Unit tests provided.
hv_xen.py: _RunXen and GetInstanceList use hvparams
Propagating the use of hvparams further up in the callinghierarchy, the functions '_RunXen' and 'GetInstanceList'use the given hvparams. Unit tests provided. Calling function'StopInstance' adjusted in this patch as well....
hv_xen.py: rename GetXmList to GetInstanceList
Since one can retrieve xen's instance list via both 'xm'or 'xl', it is no longer appropriate to call the function'GetXmList'. This patch renames it to 'GetInstanceList'.Other than that, there are no functional changes....
hv_xen._GetCommand: retrieve xen command from hvparams
This patch adds a (so far optional) hvparams parameterto the '_GetCommand' function. This dictionary is usedto retrieve the xen command (xm or xl). It is optionalfor now to make the refactoring possible without breaking...
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