-}
+{-
+
+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.Container as Container
import qualified Ganeti.HTools.Instance as Instance
+import qualified Ganeti.HTools.Node as Node
import qualified Ganeti.HTools.Cluster as Cluster
import qualified Ganeti.HTools.CLI as CLI
-import Ganeti.HTools.Rapi
-import Ganeti.HTools.Utils
-- | Command line options structure.
data Options = Options
{ optShowNodes :: Bool
, optShowCmds :: Bool
, optNodef :: FilePath
- , optInstf :: FilePath
+ , optNodeSet :: Bool -- ^ The nodes have been set by options
+ , optInstf :: FilePath -- ^ Path to the instances file
+ , optInstSet :: Bool -- ^ The insts have been set by options
, optMinDepth :: Int
, optMaxRemovals :: Int
, optMinDelta :: Int
, 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 _ = False
+
-- | Default values for the command line options.
defaultOptions :: Options
defaultOptions = Options
{ optShowNodes = False
, optShowCmds = False
, optNodef = "nodes"
+ , optNodeSet = False
, optInstf = "instances"
+ , optInstSet = False
, optMinDepth = 1
, optMaxRemovals = -1
, optMinDelta = 0
, optMaxDelta = -1
- , optMaster = ""
- , optShowVer = False
- , optShowHelp = False
+ , optMaster = ""
+ , optShowVer = False
+ , optShowHelp = False
}
{- | Start computing the solution at the given depth and recurse until
we find a valid solution or we exceed the maximum depth.
-}
-iterateDepth :: Cluster.NodeList
+iterateDepth :: Node.List
-> [Instance.Instance]
-> Int
-> Int
(NoArg (\ opts -> opts { optShowCmds = True }))
"print the ganeti command list for reaching the solution"
, Option ['n'] ["nodes"]
- (ReqArg (\ f opts -> opts { optNodef = f }) "FILE")
+ (ReqArg (\ f opts -> opts { optNodef = f, optNodeSet = True }) "FILE")
"the node list FILE"
, Option ['i'] ["instances"]
- (ReqArg (\ f opts -> opts { optInstf = f }) "FILE")
+ (ReqArg (\ f opts -> opts { optInstf = f, optInstSet = True }) "FILE")
"the instance list FILE"
, Option ['d'] ["depth"]
(ReqArg (\ i opts -> opts { optMinDepth = (read i)::Int }) "D")
main :: IO ()
main = do
cmd_args <- System.getArgs
- (opts, _) <- CLI.parseOpts cmd_args "hn1" options defaultOptions optShowHelp
-
- when (optShowVer opts) $ do
- printf $ CLI.showVersion "hn1"
- exitWith ExitSuccess
-
- let min_depth = optMinDepth opts
- let (node_data, inst_data) =
- case optMaster opts of
- "" -> (readFile $ optNodef opts,
- readFile $ optInstf opts)
- host -> (readData getNodes host,
- readData getInstances host)
+ (opts, args) <- CLI.parseOpts cmd_args "hn1" options
+ defaultOptions
- (loaded_nl, il, csf, ktn, kti) <- liftM2 Cluster.loadData node_data inst_data
-
- let (fix_msgs, nl) = Cluster.checkData loaded_nl il ktn kti
+ unless (null args) $ do
+ hPutStrLn stderr "Error: this program doesn't take any arguments."
+ exitWith $ ExitFailure 1
- unless (null fix_msgs) $ do
- putStrLn "Warning: cluster has inconsistent data:"
- putStrLn . unlines . map (\s -> printf " - %s" s) $ fix_msgs
+ (nl, il, csf) <- CLI.loadExternalData opts
printf "Loaded %d nodes, %d instances\n"
(Container.size nl)
printf "Note: Stripping common suffix of '%s' from names\n" csf
let (bad_nodes, bad_instances) = Cluster.computeBadItems nl il
+ min_depth = optMinDepth opts
+
printf "Initial check done: %d bad nodes, %d bad instances.\n"
(length bad_nodes) (length bad_instances)
(Cluster.printStats ns)
printf "Solution (delta=%d):\n" $! min_d
- let (sol_strs, cmd_strs) = Cluster.printSolution il ktn kti solution
+ let (sol_strs, cmd_strs) = Cluster.printSolution ns il solution
putStr $ unlines $ sol_strs
when (optShowCmds opts) $
do
(final_mem, final_disk) = Cluster.totalResources ns
putStrLn ""
putStrLn "Final cluster status:"
- putStrLn $ Cluster.printNodes ktn ns
+ putStrLn $ Cluster.printNodes ns
printf "Original: mem=%d disk=%d\n" orig_mem orig_disk
printf "Final: mem=%d disk=%d\n" final_mem final_disk