-}
+{-
+
+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 Data.Function
-import Data.Maybe(fromJust)
import Monad
import System
import System.IO
import qualified Ganeti.HTools.Container as Container
import qualified Ganeti.HTools.Cluster as Cluster
-import qualified Ganeti.HTools.Version as Version
import qualified Ganeti.HTools.Node as Node
import qualified Ganeti.HTools.Instance as Instance
-import Ganeti.HTools.Rapi
-import Ganeti.HTools.Utils
+import qualified Ganeti.HTools.CLI as CLI
+import qualified Ganeti.HTools.Rapi as Rapi
+import qualified Ganeti.HTools.Loader as Loader
+import Ganeti.HTools.Types
-- | Command line options structure.
data Options = Options
{ optShowNodes :: Bool -- ^ Whether to show node status
, optOutPath :: FilePath -- ^ Path to the output directory
, optVerbose :: Int -- ^ Verbosity level
- , optShowVer :: Bool -- ^ Just show the program version
, optNoHeader :: Bool -- ^ Do not show a header line
+ , optShowVer :: Bool -- ^ Just show the program version
+ , optShowHelp :: Bool -- ^ Just show the help
} deriving Show
+instance CLI.CLIOptions Options where
+ showVersion = optShowVer
+ showHelp = optShowHelp
+
-- | Default values for the command line options.
defaultOptions :: Options
defaultOptions = Options
{ optShowNodes = False
, optOutPath = "."
, optVerbose = 0
- , optShowVer = False
, optNoHeader = False
+ , optShowVer = False
+ , optShowHelp = False
}
-- | Options list and functions
, Option ['v'] ["verbose"]
(NoArg (\ opts -> opts { optVerbose = (optVerbose opts) + 1 }))
"increase the verbosity level"
- , Option ['V'] ["version"]
- (NoArg (\ opts -> opts { optShowVer = True}))
- "show the version of the program"
, Option [] ["no-headers"]
(NoArg (\ opts -> opts { optNoHeader = True }))
"do not show a header line"
+ , Option ['V'] ["version"]
+ (NoArg (\ opts -> opts { optShowVer = True}))
+ "show the version of the program"
+ , Option ['h'] ["help"]
+ (NoArg (\ opts -> opts { optShowHelp = True}))
+ "show help"
]
--- | Command line parser, using the 'options' structure.
-parseOpts :: [String] -> IO (Options, [String])
-parseOpts argv =
- case getOpt Permute options argv of
- (o, n, []) ->
- return (foldl (flip id) defaultOptions o, n)
- (_, _, errs) ->
- ioError (userError (concat errs ++ usageInfo header options))
- where header = printf "hscan %s\nUsage: hscan [OPTION...] cluster..."
- Version.version
-
-- | Generate node file data from node objects
-serializeNodes :: Cluster.NodeList -> String -> Cluster.NameList -> String
-serializeNodes nl csf ktn =
- let etn = map (\(idx, name) -> (idx, name ++ csf)) ktn
- nodes = Container.elems nl
+serializeNodes :: Node.List -> String -> String
+serializeNodes nl csf =
+ let nodes = Container.elems nl
nlines = map
(\node ->
- let name = (fromJust $ lookup (Node.idx node) etn)
+ let name = Node.name node ++ csf
t_mem = (truncate $ Node.t_mem node)::Int
t_dsk = (truncate $ Node.t_dsk node)::Int
in
- printf "%s|%d|%d|%d|%d|%d" name
+ printf "%s|%d|%d|%d|%d|%d|%c" name
t_mem (Node.n_mem node) (Node.f_mem node)
- t_dsk (Node.f_dsk node))
+ t_dsk (Node.f_dsk node)
+ (if Node.offline node then 'Y' else 'N')
+ )
nodes
in unlines nlines
-- | Generate instance file data from instance objects
-serializeInstances :: Cluster.InstanceList -> String
- -> Cluster.NameList -> Cluster.NameList -> String
-serializeInstances il csf ktn kti =
- let etn = map (\(idx, name) -> (idx, name ++ csf)) ktn
- eti = map (\(idx, name) -> (idx, name ++ csf)) kti
- instances = Container.elems il
+serializeInstances :: Node.List -> Instance.List
+ -> String -> String
+serializeInstances nl il csf =
+ let instances = Container.elems il
nlines = map
(\inst ->
let
- iname = fromJust $ lookup (Instance.idx inst) eti
- pnode = fromJust $ lookup (Instance.pnode inst) etn
- snode = fromJust $ lookup (Instance.snode inst) etn
+ iname = Instance.name inst ++ csf
+ pnode = Container.nameOf nl $ Instance.pnode inst
+ snode = Container.nameOf nl $ Instance.snode inst
in
- printf "%s|%d|%d|%s|%s"
+ printf "%s|%d|%d|%s|%s|%s"
iname (Instance.mem inst) (Instance.dsk inst)
+ (Instance.run_st inst)
pnode snode
)
instances
in unlines nlines
-- | Return a one-line summary of cluster state
-printCluster :: Cluster.NodeList -> Cluster.InstanceList
- -> Cluster.NameList -> Cluster.NameList
+printCluster :: Node.List -> Instance.List
-> String
-printCluster nl il ktn kti =
+printCluster nl il =
let (bad_nodes, bad_instances) = Cluster.computeBadItems nl il
ccv = Cluster.compCV nl
nodes = Container.elems nl
+ insts = Container.elems il
t_ram = truncate . sum . map Node.t_mem $ nodes
t_dsk = truncate . sum . map Node.t_dsk $ nodes
f_ram = sum . map Node.f_mem $ nodes
f_dsk = sum . map Node.f_dsk $ nodes
in
printf "%5d %5d %5d %5d %6d %6d %6d %6d %.8f"
- (length ktn) (length kti)
+ (length nodes) (length insts)
(length bad_nodes) (length bad_instances)
(t_ram::Integer) f_ram
((t_dsk::Integer) `div` 1024) (f_dsk `div` 1024)
ccv
+-- | Replace slashes with underscore for saving to filesystem
+
+fixSlash :: String -> String
+fixSlash = map (\x -> if x == '/' then '_' else x)
+
-- | Main function.
main :: IO ()
main = do
cmd_args <- System.getArgs
- (opts, clusters) <- parseOpts cmd_args
-
- when (optShowVer opts) $ do
- putStr $ showVersion "hscan"
- exitWith ExitSuccess
+ (opts, clusters) <- CLI.parseOpts cmd_args "hscan" options
+ defaultOptions
let odir = optOutPath opts
nlen = maximum . map length $ clusters
"Name" "Nodes" "Inst" "BNode" "BInst" "t_mem" "f_mem"
"t_disk" "f_disk" "Score"
- mapM (\ name ->
+ mapM_ (\ name ->
do
printf "%-*s " nlen name
hFlush stdout
- node_data <- getNodes name
- inst_data <- getInstances name
- (if isLeft(node_data)
- then putStrLn $ fromLeft node_data
- else if isLeft(inst_data)
- then putStrLn $ fromLeft inst_data
- else do
- let ndata = fromRight node_data
- idata = fromRight inst_data
- (nl, il, csf, ktn, kti) =
- Cluster.loadData ndata idata
- putStrLn $ printCluster nl il ktn kti
- when (optShowNodes opts) $
- putStr $ Cluster.printNodes ktn nl
- let ndata = serializeNodes nl csf ktn
- idata = serializeInstances il csf ktn kti
- oname = odir </> name
- writeFile (oname <.> "nodes") ndata
- writeFile (oname <.> "instances") idata)
+ input_data <- Rapi.loadData name
+ let ldresult = input_data >>= Loader.mergeData
+ (case ldresult of
+ Bad err -> printf "\nError: failed to load data. \
+ \Details:\n%s\n" err
+ Ok x -> do
+ let (nl, il, csf) = x
+ (_, fix_nl) = Loader.checkData nl il
+ putStrLn $ printCluster fix_nl il
+ when (optShowNodes opts) $ do
+ putStr $ Cluster.printNodes fix_nl
+ let ndata = serializeNodes nl csf
+ idata = serializeInstances nl il csf
+ oname = odir </> (fixSlash name)
+ writeFile (oname <.> "nodes") ndata
+ writeFile (oname <.> "instances") idata)
) clusters
- exitWith ExitSuccess
projects / ganeti-local / blobdiff