-}
+{-
+
+Copyright (C) 2009 Google Inc.
+
+This program is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful, but
+WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program; if not, write to the Free Software
+Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+02110-1301, USA.
+
+-}
+
module Main (main) where
import Data.List
import qualified Ganeti.HTools.Cluster as Cluster
import qualified Ganeti.HTools.Node as Node
import qualified Ganeti.HTools.CLI as CLI
-import qualified Ganeti.HTools.Rapi as Rapi
-import qualified Ganeti.HTools.Text as Text
-import qualified Ganeti.HTools.Loader as Loader
import Ganeti.HTools.Utils
-import Ganeti.HTools.Types
-- | Command line options structure.
data Options = Options
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
-}
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)
hPutStrLn stderr "Error: this program doesn't take any arguments."
exitWith $ ExitFailure 1
- (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
- input_data <-
- case optMaster opts of
- "" -> Text.loadData nodef instf
- host -> Rapi.loadData host
-
- let ldresult = input_data >>= Loader.mergeData
-
- (loaded_nl, il, csf, ktn, kti) <-
- (case ldresult of
- Ok x -> return x
- Bad s -> do
- printf "Error: failed to load data. Details:\n%s\n" s
- exitWith $ ExitFailure 1
- )
- let (fix_msgs, fixed_nl) = Loader.checkData loaded_nl il ktn kti
-
- unless (null fix_msgs || verbose == 0) $ 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
- putStrLn $ formatOneline 0 0 0
- 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 (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 []
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 = Container.maxNameLen il
+ nmlen = Container.maxNameLen 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 > 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"
- ini_cv fin_cv
- )
+ sol_msg = (if null fin_plc
+ then printf "No solution found\n"
+ 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"
+ ini_cv fin_cv
+ ))::String
unless oneline $ putStr sol_msg
(final_mem, final_disk) = Cluster.totalResources fin_nl
putStrLn ""
putStrLn "Final cluster status:"
- putStrLn $ Cluster.printNodes ktn fin_nl
+ putStrLn $ Cluster.printNodes fin_nl
when (verbose > 3) $
do
printf "Original: mem=%d disk=%d\n" orig_mem orig_disk