import Data.Maybe (isNothing, fromJust)
import Text.Printf (printf)
import Data.Function
+import Control.Monad
import qualified Ganeti.HTools.Container as Container
import qualified Ganeti.HTools.Instance as Instance
-- iterate over all instances, computing the best move
best_tbl =
foldl'
- (\ step_tbl elem -> compareTables step_tbl $
- checkInstanceMove nodes_idx ini_tbl elem)
+ (\ step_tbl elem ->
+ if Instance.snode elem == Node.noSecondary then step_tbl
+ else compareTables step_tbl $
+ checkInstanceMove nodes_idx ini_tbl elem)
ini_tbl victims
Table _ _ _ best_plc = best_tbl
in
-- Loading functions
-{- | Convert newline and delimiter-separated text.
-
-This function converts a text in tabular format as generated by
-@gnt-instance list@ and @gnt-node list@ to a list of objects using a
-supplied conversion function.
-
--}
-loadTabular :: String -> ([String] -> (String, a))
- -> (a -> Int -> a) -> ([(String, Int)], [(Int, a)])
-loadTabular text_data convert_fn set_fn =
- let lines_data = lines text_data
- rows = map (sepSplit '|') lines_data
- kerows = (map convert_fn rows)
- idxrows = map (\ (idx, (k, v)) -> ((k, idx), (idx, set_fn v idx)))
- (zip [0..] kerows)
- in unzip idxrows
-
-- | For each instance, add its index to its primary and secondary nodes
fixNodes :: [(Int, Node.Node)]
-> [(Int, Instance.Instance)]
pdx = Instance.pnode inst
sdx = Instance.snode inst
pold = fromJust $ lookup pdx accu
- sold = fromJust $ lookup sdx accu
pnew = Node.setPri pold idx
- snew = Node.setSec sold idx
ac1 = deleteBy assocEqual (pdx, pold) accu
- ac2 = deleteBy assocEqual (sdx, sold) ac1
- ac3 = (pdx, pnew):(sdx, snew):ac2
- in ac3) nl il
+ ac2 = (pdx, pnew):ac1
+ in
+ if sdx /= Node.noSecondary then
+ let
+ sold = fromJust $ lookup sdx accu
+ snew = Node.setSec sold idx
+ ac3 = deleteBy assocEqual (sdx, sold) ac2
+ ac4 = (sdx, snew):ac3
+ in ac4
+ else
+ ac2
+ ) nl il
-- | Compute the longest common suffix of a NameList list that
-- | starts with a dot
let sflen = length suffix in
map (\ (key, name) -> (key, take ((length name) - sflen) name)) lst
+
{-| Initializer function that loads the data from a node and list file
and massages it into the correct format. -}
-loadData :: String -- ^ Node data in text format
- -> String -- ^ Instance data in text format
- -> Result (Container.Container Node.Node,
- Container.Container Instance.Instance,
- String, NameList, NameList)
-loadData ndata idata =
- let
- {- node file: name t_mem n_mem f_mem t_disk f_disk -}
- (ktn, nl) = loadTabular ndata
- (\ (name:tm:nm:fm:td:fd:fo:[]) ->
- (name,
- if any (== "?") [tm,nm,fm,td,fd] || fo == "Y" then
- Node.create 0 0 0 0 0 True
- else
- Node.create (read tm) (read nm) (read fm)
- (read td) (read fd) False
- ))
- Node.setIdx
- {- instance file: name mem disk status pnode snode -}
- (kti, il) = loadTabular idata
- (\ (name:mem:dsk:status:pnode:snode:[]) ->
- (name,
- Instance.create (read mem) (read dsk)
- status
- (fromJust $ lookup pnode ktn)
- (fromJust $ lookup snode ktn)))
- Instance.setIdx
- nl2 = fixNodes nl il
- il3 = Container.fromAssocList il
- nl3 = Container.fromAssocList
- (map (\ (k, v) -> (k, Node.buildPeers v il3 (length nl2))) nl2)
- xtn = swapPairs ktn
- xti = swapPairs kti
- common_suffix = longestDomain (xti ++ xtn)
- stn = stripSuffix common_suffix xtn
- sti = stripSuffix common_suffix xti
- in
- Ok (nl3, il3, common_suffix, stn, sti)
+loadData :: ([(String, Int)], Node.AssocList,
+ [(String, Int)], Instance.AssocList) -- ^ Data from either
+ -- Text.loadData
+ -- or Rapi.loadData
+ -> Result (NodeList, InstanceList, String, NameList, NameList)
+loadData (ktn, nl, kti, il) = do
+ let
+ nl2 = fixNodes nl il
+ il3 = Container.fromAssocList il
+ nl3 = Container.fromAssocList
+ (map (\ (k, v) -> (k, Node.buildPeers v il3 (length nl2))) nl2)
+ xtn = swapPairs ktn
+ xti = swapPairs kti
+ common_suffix = longestDomain (xti ++ xtn)
+ stn = stripSuffix common_suffix xtn
+ sti = stripSuffix common_suffix xti
+ return (nl3, il3, common_suffix, stn, sti)
-- | Compute the amount of memory used by primary instances on a node.
nodeImem :: Node.Node -> InstanceList -> Int
in sum . map Instance.dsk .
map rfind $ (Node.plist node) ++ (Node.slist node)
-
-- | Check cluster data for consistency
checkData :: NodeList -> InstanceList -> NameList -> NameList
-> ([String], NodeList)