-}
+{-
+
+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.Node as Node
import qualified Ganeti.HTools.Instance as Instance
import qualified Ganeti.HTools.CLI as CLI
-import Ganeti.HTools.Rapi
-import Ganeti.HTools.Utils
+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
, 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
"show help"
]
+-- | Serialize a single node
+serializeNode :: String -> Node.Node -> String
+serializeNode csf node =
+ printf "%s|%.0f|%d|%d|%.0f|%d|%.0f|%c" (Node.name node ++ csf)
+ (Node.t_mem node) (Node.n_mem node) (Node.f_mem node)
+ (Node.t_dsk node) (Node.f_dsk node) (Node.t_cpu node)
+ (if Node.offline node then 'Y' else 'N')
+
-- | 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
- nlines = map
- (\node ->
- let name = (fromJust $ lookup (Node.idx node) etn)
- t_mem = (truncate $ Node.t_mem node)::Int
- t_dsk = (truncate $ Node.t_dsk node)::Int
- in
- 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)
- (if Node.offline node then 'Y' else 'N')
- )
- nodes
- in unlines nlines
+serializeNodes :: String -> Node.List -> String
+serializeNodes csf =
+ unlines . map (serializeNode csf) . Container.elems
+
+-- | Serialize a single instance
+serializeInstance :: String -> Node.List -> Instance.Instance -> String
+serializeInstance csf nl inst =
+ let
+ iname = Instance.name inst ++ csf
+ pnode = (Container.nameOf nl $ Instance.pnode inst) ++ csf
+ sidx = Instance.snode inst
+ snode = (if sidx == Node.noSecondary
+ then ""
+ else (Container.nameOf nl sidx) ++ csf)
+ in
+ printf "%s|%d|%d|%d|%s|%s|%s"
+ iname (Instance.mem inst) (Instance.dsk inst)
+ (Instance.vcpus inst) (Instance.run_st inst)
+ pnode snode
-- | 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
- 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
- in
- printf "%s|%d|%d|%s|%s|%s"
- iname (Instance.mem inst) (Instance.dsk inst)
- (Instance.run_st inst)
- pnode snode
- )
- instances
- in unlines nlines
+serializeInstances :: String -> Node.List -> Instance.List -> String
+serializeInstances csf nl =
+ unlines . map (serializeInstance csf nl) . Container.elems
-- | 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
- t_ram = truncate . sum . map Node.t_mem $ nodes
- t_dsk = truncate . sum . map Node.t_dsk $ nodes
+ insts = Container.elems il
+ t_ram = sum . map Node.t_mem $ nodes
+ t_dsk = 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)
+ printf "%5d %5d %5d %5d %6.0f %6d %6.0f %6d %.8f"
+ (length nodes) (length insts)
(length bad_nodes) (length bad_instances)
- (t_ram::Integer) f_ram
- ((t_dsk::Integer) `div` 1024) (f_dsk `div` 1024)
+ t_ram f_ram
+ (t_dsk / 1024) (f_dsk `div` 1024)
ccv
main = do
cmd_args <- System.getArgs
(opts, clusters) <- CLI.parseOpts cmd_args "hscan" options
- defaultOptions optShowHelp
-
- when (optShowVer opts) $ do
- putStr $ CLI.showVersion "hscan"
- exitWith ExitSuccess
+ defaultOptions
let odir = optOutPath opts
nlen = maximum . map length $ clusters
do
printf "%-*s " nlen name
hFlush stdout
- node_data <- getNodes name
- inst_data <- getInstances name
- let ldresult = join $
- liftM2 Cluster.loadData node_data inst_data
+ 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, ktn, kti) = x
- (_, fix_nl) = Cluster.checkData nl il ktn kti
- putStrLn $ printCluster fix_nl il ktn kti
+ let (nl, il, csf) = x
+ (_, fix_nl) = Loader.checkData nl il
+ putStrLn $ printCluster fix_nl il
when (optShowNodes opts) $ do
- putStr $ Cluster.printNodes ktn fix_nl
- let ndata = serializeNodes nl csf ktn
- idata = serializeInstances il csf ktn kti
+ putStr $ Cluster.printNodes fix_nl
+ let ndata = serializeNodes csf nl
+ idata = serializeInstances csf nl il
oname = odir </> (fixSlash name)
writeFile (oname <.> "nodes") ndata
writeFile (oname <.> "instances") idata)
projects / ganeti-local / blobdiff