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root / Ganeti / HTools / IAlloc.hs @ 8c2ebac8

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# Date Author Comment
8c2ebac8 05/25/2009 09:50 pm Iustin Pop

hail: do not allocate on offline/drained nodes

This patch implements filtering out of the offline/drained nodes and
fixes a bug in IAllocator.hs parsing (similar to an older bug in Rapi.hs
from where the code was copied).
ed41c179 05/25/2009 01:09 am Iustin Pop

Start implementing the hail functionality

This patch implements a very stupid (and broken) version of hail
‘allocate’.
e3a684c5 05/24/2009 02:43 am Iustin Pop

Remove ktn/kti from first half of loader

This patch removes the ktn/kti lists from most parts of the first half
of the loading sequence. Some remain as the [(String, Int)] is the
nicest way to lookup names and get indices back.
8472a321 05/24/2009 02:36 am Iustin Pop

Remove the ktn/kti from second half of loading

This removes the return of ktn/kti from Loader.mergeData and associated
functions.
b513faa1 05/24/2009 01:33 am Iustin Pop

Make IAlloc.loadData return maps

This patch makes the format of IAlloc.loadData be similar the same as
Loader.mergeData.
497e30a1 05/23/2009 03:24 am Iustin Pop

Add a small class for Nodes and Instances

Since both nodes and instances support some common functionality (names
and indices), we add a class so that we can access these attributes in a
generic way.
2727257a 05/23/2009 02:34 am Iustin Pop

Add back names to nodes/instances

In order to simplify the data structures, we add back the name on the
node and instance objects. We still keep the index for, well, indexing,
but we will use the name directly from the object, in order to get rid
of the ktn/kti arguments which are passed around everywhere.
e4c5beaf 05/23/2009 02:29 am Iustin Pop

More code reorganizations

This new big patch does a couple of more cleanups in the loading of data
chapter:
- introduce a Types module that holds most types (except the base
Node/Instance/etc.) so that multiple other modules can use these
(instead of only Cluster and its users)...
585d4420 05/22/2009 01:14 am Iustin Pop

Initial work on hail

This makes hail compile and get a request parsed via IAlloc, but nothing
more.
942403e6 05/21/2009 12:25 am Iustin Pop

Switch from hand-written monads to a real one

This big patch converts from our home-grown monad-like constructs
(the Either stuff) to a real, Either-like-but-another-name monad.

We introduce a “Result a” monad, and this allows dropping many of the
extra constructs. Hopefully the code is also more clear....
144f190b 05/21/2009 12:25 am Iustin Pop

Small changes to the IAlloc module

Adding a small request type data structure.
3f6af65c 05/19/2009 01:19 am Iustin Pop

Update the IAlloc module

We know have a working parseData function that returns the node and
instance data. This uncovered bad support for non-drbd instances ☹
9ba5c28f 05/18/2009 12:03 pm Iustin Pop

Move the JSON utilities to Utils.hs

This patch moves the generic/reusable JSON functions to Utils.hs, so
that they're shared between RAPI/IAlloc.
43643696 05/18/2009 09:46 am Iustin Pop

Add a copy of Rapi.HS as IAlloc.hs

This will be used in two ways:
- format the response to Ganeti (easy, implemented)
- parse the input data and build the node/instance lists (hard :)