import qualified Ganeti.HTools.Cluster as Cluster
import qualified Ganeti.HTools.Node as Node
import qualified Ganeti.HTools.CLI as CLI
-import Ganeti.HTools.Rapi
+
import Ganeti.HTools.Utils
+import Ganeti.HTools.Types
-- | Command line options structure.
data Options = Options
, optShowHelp :: Bool -- ^ Just show the help
} deriving Show
+instance CLI.CLIOptions Options where
+ showVersion = optShowVer
+ showHelp = optShowHelp
+
+instance CLI.EToolOptions Options where
+ nodeFile = optNodef
+ nodeSet = optNodeSet
+ instFile = optInstf
+ instSet = optInstSet
+ masterName = optMaster
+ silent a = (optVerbose a) == 0
+
-- | Default values for the command line options.
defaultOptions :: Options
defaultOptions = Options
, optInstSet = False
, optMaxLength = -1
, optMaster = ""
- , optVerbose = 0
+ , optVerbose = 1
, optOffline = []
, optMinScore = 1e-9
, optShowVer = False
, Option ['v'] ["verbose"]
(NoArg (\ opts -> opts { optVerbose = (optVerbose opts) + 1 }))
"increase the verbosity level"
+ , Option ['q'] ["quiet"]
+ (NoArg (\ opts -> opts { optVerbose = (optVerbose opts) - 1 }))
+ "decrease the verbosity level"
, Option ['O'] ["offline"]
(ReqArg (\ n opts -> opts { optOffline = n:optOffline opts }) "NODE")
" set node as offline"
-}
iterateDepth :: Cluster.Table -- ^ The starting table
-> Int -- ^ Remaining length
- -> Cluster.NameList -- ^ Node idx to name list
- -> Cluster.NameList -- ^ Inst idx to name list
-> Int -- ^ Max node name len
-> Int -- ^ Max instance name len
-> [[String]] -- ^ Current command list
-> Cluster.Score -- ^ Score at which to stop
-> IO (Cluster.Table, [[String]]) -- ^ The resulting table and
-- commands
-iterateDepth ini_tbl max_rounds ktn kti nmlen imlen
+iterateDepth ini_tbl max_rounds nmlen imlen
cmd_strs oneline min_score =
let Cluster.Table ini_nl ini_il ini_cv ini_plc = ini_tbl
all_inst = Container.elems ini_il
in
do
let
- (sol_line, cmds) = Cluster.printSolutionLine ini_il ktn kti
+ (sol_line, cmds) = Cluster.printSolutionLine ini_nl ini_il
nmlen imlen (head fin_plc) fin_plc_len
upd_cmd_strs = cmds:cmd_strs
unless (oneline || fin_plc_len == ini_plc_len) $ do
hFlush stdout
(if fin_cv < ini_cv then -- this round made success, try deeper
if allowed_next && fin_cv > min_score
- then iterateDepth fin_tbl max_rounds ktn kti
+ then iterateDepth fin_tbl max_rounds
nmlen imlen upd_cmd_strs oneline min_score
-- don't go deeper, but return the better solution
else return (fin_tbl, upd_cmd_strs)
else
return (ini_tbl, cmd_strs))
+-- | Formats the solution for the oneline display
+formatOneline :: Double -> Int -> Double -> String
+formatOneline ini_cv plc_len fin_cv =
+ printf "%.8f %d %.8f %8.3f" ini_cv plc_len fin_cv
+ (if fin_cv == 0 then 1 else (ini_cv / fin_cv))
+
-- | Main function.
main :: IO ()
main = do
cmd_args <- System.getArgs
- (opts, args) <- CLI.parseOpts cmd_args "hbal" options
- defaultOptions optShowHelp
+ (opts, args) <- CLI.parseOpts cmd_args "hbal" options defaultOptions
unless (null args) $ do
hPutStrLn stderr "Error: this program doesn't take any arguments."
exitWith $ ExitFailure 1
- when (optShowVer opts) $ do
- putStr $ CLI.showVersion "hbal"
- exitWith ExitSuccess
-
- (env_node, env_inst) <- CLI.parseEnv ()
- let nodef = if optNodeSet opts then optNodef opts
- else env_node
- instf = if optInstSet opts then optInstf opts
- else env_inst
- oneline = optOneline opts
+ let oneline = optOneline opts
verbose = optVerbose opts
- (node_data, inst_data) =
- case optMaster opts of
- "" -> (readFile nodef,
- readFile instf)
- host -> (readData getNodes host,
- readData getInstances host)
-
- (loaded_nl, il, csf, ktn, kti) <- liftM2 Cluster.loadData node_data inst_data
- let (fix_msgs, fixed_nl) = Cluster.checkData loaded_nl il ktn kti
- unless (null fix_msgs) $ do
- putStrLn "Warning: cluster has inconsistent data:"
- putStrLn . unlines . map (\s -> printf " - %s" s) $ fix_msgs
+ (fixed_nl, il, csf, _, _) <- CLI.loadExternalData opts
let offline_names = optOffline opts
- all_names = snd . unzip $ ktn
+ all_nodes = Container.elems fixed_nl
+ all_names = map Node.name all_nodes
offline_wrong = filter (\n -> not $ elem n all_names) offline_names
- offline_indices = fst . unzip .
- filter (\(_, n) -> elem n offline_names) $ ktn
+ offline_indices = map Node.idx $
+ filter (\n -> elem (Node.name n) offline_names)
+ all_nodes
when (length offline_wrong > 0) $ do
printf "Wrong node name(s) set as offline: %s\n"
else n) fixed_nl
when (Container.size il == 0) $ do
- (if oneline then
- printf "%.8f %d %.8f %8.3f\n"
- (0::Double) (0::Integer) (0::Double) (1::Double)
- else
- printf "Cluster is empty, exiting.\n")
+ (if oneline then putStrLn $ formatOneline 0 0 0
+ else printf "Cluster is empty, exiting.\n")
exitWith ExitSuccess
-
unless oneline $ printf "Loaded %d nodes, %d instances\n"
(Container.size nl)
(Container.size il)
- when (length csf > 0 && not oneline && verbose > 0) $ do
+ when (length csf > 0 && not oneline && verbose > 1) $ do
printf "Note: Stripping common suffix of '%s' from names\n" csf
let (bad_nodes, bad_instances) = Cluster.computeBadItems nl il
when (optShowNodes opts) $
do
putStrLn "Initial cluster status:"
- putStrLn $ Cluster.printNodes ktn nl
+ putStrLn $ Cluster.printNodes nl
let ini_cv = Cluster.compCV nl
ini_tbl = Cluster.Table nl il ini_cv []
when (ini_cv < min_cv) $ do
(if oneline then
- printf "%.8f %d %.8f %8.3f\n"
- ini_cv (0::Integer) ini_cv (1::Double)
+ putStrLn $ formatOneline ini_cv 0 ini_cv
else printf "Cluster is already well balanced (initial score %.6g,\n\
\minimum score %.6g).\nNothing to do, exiting\n"
ini_cv min_cv)
exitWith ExitSuccess
- unless oneline (if verbose > 1 then
+ unless oneline (if verbose > 2 then
printf "Initial coefficients: overall %.8f, %s\n"
ini_cv (Cluster.printStats nl)
else
printf "Initial score: %.8f\n" ini_cv)
unless oneline $ putStrLn "Trying to minimize the CV..."
- let mlen_fn = maximum . (map length) . snd . unzip
- imlen = mlen_fn kti
- nmlen = mlen_fn ktn
+ let imlen = cMaxNamelen il
+ nmlen = cMaxNamelen nl
(fin_tbl, cmd_strs) <- iterateDepth ini_tbl (optMaxLength opts)
- ktn kti nmlen imlen [] oneline min_cv
+ nmlen imlen [] oneline min_cv
let (Cluster.Table fin_nl _ fin_cv fin_plc) = fin_tbl
ord_plc = reverse fin_plc
sol_msg = if null fin_plc
then printf "No solution found\n"
- else (if verbose > 1
+ else (if verbose > 2
then printf "Final coefficients: overall %.8f, %s\n"
fin_cv (Cluster.printStats fin_nl)
else printf "Cluster score improved from %.8f to %.8f\n"
(final_mem, final_disk) = Cluster.totalResources fin_nl
putStrLn ""
putStrLn "Final cluster status:"
- putStrLn $ Cluster.printNodes ktn fin_nl
- when (verbose > 2) $
+ putStrLn $ Cluster.printNodes fin_nl
+ when (verbose > 3) $
do
printf "Original: mem=%d disk=%d\n" orig_mem orig_disk
printf "Final: mem=%d disk=%d\n" final_mem final_disk
- when oneline $ do
- printf "%.8f %d %.8f %8.3f\n"
- ini_cv (length ord_plc) fin_cv (ini_cv / fin_cv)
+ when oneline $
+ putStrLn $ formatOneline ini_cv (length ord_plc) fin_cv
projects / ganeti-local / blobdiff