htools: add parseUnit function
This is similar, but not identical, to Utils.ParseUnit. The biggestdifference is that we don't round up/down; as we only use integraltypes, the result will always be rounded down.
Moreover, since (real-world) disk sizes come in SI units, the function...
hspace: add support for units in the options
This patch converts hspace to allow units in all disk and memoryspecifications, and updates the man page accordingly. It also correcta mistake in the man page for the --max-cpu option.
Signed-off-by: Iustin Pop <iustin@google.com>...
htools: abstract and simplify a multigroup function
In the future, this 'split/associated instance idx list' functionalitywill be used by other code, so let's move it to its own code.
The new method of computing the split also requires exporting one more...
htools: rename an internal constant
'emptySolution' is fine while we have only one Solution type(AllocSolution), but in the future we'll introduce another one andthus we should rename it.
Signed-off-by: Iustin Pop <iustin@google.com>Reviewed-by: Guido Trotter <ultrotter@google.com>
htools: add a function for computing evacuated nodes
The new IAllocator interface is based on instances, not nodes, so weneed to backtrack and compute on which nodes we can't allocateinstances during the current operation. This patch adds a function for...
htools: add two monad-conversion utility functions
For monadic operations, these function will make it easier to convertother monads (or monad-like structure) to our 'Result' type.
htools: add more IAlloc data types and functions
These move the 'not supported' message deeper into the workflow;assuming that the workflow as added by this patch is correct, all thatremains is:
- for disk template DRBD8, plug in the currently existing mechanisms...
htools: simplify select tests
Rather than running all possible tests in one go, split them out inthree cases: "normal", undefined default value, undefined list values(both of which require a valid response before them).
Signed-off-by: Guido Trotter <ultrotter@google.com>...
htools: lookup instance names in select/exclude
Currently we just match the passed name with fqdns. With this change wedo a proper search for either the fqdn or the initial name component, asin Ganeti itself.
htools: infrastructure for looking up names
Signed-off-by: Guido Trotter <ultrotter@google.com>Reviewed-by: Iustin Pop <iustin@google.com>
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