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htools: run IAllocator input through checkData
As the IAllocator backend is using a different data path than theothers, it doesn't get the full functionality that loadExternalDatadoes. This results in the current situation where checkData is not runon the input cluster state, which means the node memory properties are...
htools: return the final instance map in ialloc
Similar to the previous patch, this returns the final instance mapfrom the iallocator run, which will allow saving the cluster state forfurther examination/post-processing.
Signed-off-by: Iustin Pop <iustin@google.com>...
htools: implement post-alloc cluster status display
This patch changes the IAllocator result formatting workflow to returnthe final node list, which can be then used to display the final nodestatus too—currently only the initial status can be shown, which is...
htools: return new state from new IAllocator modes
The old modes already return the node list (as part of AllocSolution),this patch makes the new modes provide this new information.
Signed-off-by: Iustin Pop <iustin@google.com>Reviewed-by: Guido Trotter <ultrotter@google.com>
htools: update the node-evac/change-group result
… per the new design changes. This also requires changes toupdateEvacSolution, as passing in the original instance is nothelpful; we just pass the instance index now and look up the actualinstance in the modified instance map....
htools: add change-group IAllocator mode
This builds a lot upon the node-evacuation mode, and itsimplementation is therefore quite easy (once node-evac was added).
htools: add ChangeGroup to IAllocator types/loader
This patch updates the types and functions in IAllocator.hs andLoader.hs to the new design changes (elimination of multi-relocatemode and replacement with change-group).
It also removes an extra re-export of EvacMode from Loader.hs....
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: read the disk template in Luxi and Rapi
Both these backends already have the data, we just need to use it.
htools: add DiskTemplate to instance definition
Currently always fixed to DRBD8, as that is what we assume already.
htools: simplify some JSON-related code
Instead of manually encoding the JSValue(s), we can use showJSON aslong as we use data types that can be auto-converted.
htools: allow different result types
This patch extends the previous patch changes to allow that eachCluster function returns a different result type, as long as we havean auxiliary function that processes that into the standardIAllocResult type.
htools: start reorganising the IAllocator workflow
Currently, all IAllocator requests return the same result type: a listof strings (usually nodes, but can also be instance:nodes). This won'tbe true in the future, with the new request types that will return...
htools: split more code from hail/main
The logic of request processing is not separated into its ownfunction, and (beside CLI interaction, e.g. verbosity handling) alllogic is now in IAllocator.hs.
htools: move code from hail.hs to IAllocator.hs
This will make it easier to unittest the code, and keeps all login in asingle module.
htools: add parsing of input node-evac messages
This is a lot of duplication with modeMreloc, which will get sortedout once we convert mreloc to change-group.
Signed-off-by: Iustin Pop <iustin@google.com>Reviewed-by: Michael Hanselmann <hansmi@google.com>
htools: docstring fixes and improvements
No code changes (except one definition being moved around in QC.hs)are contained in this patch.
htools: some lint fixes
Removal of duplicate parantheses, removal of extra 'do', conversion fromnested if to guards, use hierarchical imports. All per hlint.
Add instance selection list to Loader.mergeData
Signed-off-by: Guido Trotter <ultrotter@google.com>Reviewed-by: Iustin Pop <iustin@google.com>
htools: introduce a type alias for JSON objects
This makes the type definitions a bit more readable/simpler.
hail: stop using old-style 'nodes' key
hail: add parsing of multi-relocate request
This is not handled yet, this patch just adds parsing of the incomingrequest.
IAllocator.hs: replace a few strings with constants
Add a new attribute to Instance.Instance
This will mirror Ganeti's be/auto_balance one, which we need to use toproperly match N+1 computations.
Merge remote branch 'htools/master'