Check that instance exists before confirm. queries
Currently we ask the user for confirmation, and only after (try to)remove, failover or migrate the instance. This doesn't work nicely ifthe instance doesn't exist, so we make a query for the instance before...
Rework the multi-instance gnt commands
This patch changes the multi-instance gnt-* commands (gnt-instancestart/stop, gnt-node evacuate/failover) such that the individualoperations are submitted in parallel, ideally improving the speed of theexecution....
Sort the instance names in batcher
In case we submit multiple instances via batcher, it's nicer to have thesorted nicely.
Reviewed-by: imsnah
Fix batcher for 2.0-style disks and nics
This patch fixes the gnt-instance batch-create command, and in doing soalso slightly changes two other functions: - we change utils.ParseUnit so that it accepts integer values also (both ParseUnit(5) and ParseUnit("5") return the same value)...
Make iallocator work with offline nodes
This patch changes the iallocator framework to work with and properlyexport to plugins offline nodes. It does this by only exporting thestatic configuration data for those nodes, and not attempting to parsethe runtime data....
A couple of small fixes to iallocator
This removes some constraints: - only two disks supported, this is no longer true as the underlying functions can now compute size for a variable number of disks - error when the hypervisor was not being passed...
Fix a couple of epydoc warnings
Reviewed-by: ultrotter
Move the default MAC prefix to the constants file
Instead of having the default live in the gnt-cluster script, we move itto the constants file. The patch also fixes a typo on constants.py.
Forward port the live migration from 1.2 branch
This is forward port via copy (and not individual patches cherry-pick)of the latest code on the 1.2 branch related to the migration.
The changes compared to 1.2 are the fact that we don't need theIdentifyDisks step anymore (the drbd rpc calls are independent now), and...
Skip offline nodes in gnt-cluster commands
This patch makes gnt-cluster copyfile and command skip the offlinenodes.
Reviwed-by: ultrotter, imsnah
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