1 {-| IAllocator plugin for Ganeti.
7 Copyright (C) 2009, 2010, 2011 Google Inc.
9 This program is free software; you can redistribute it and/or modify
10 it under the terms of the GNU General Public License as published by
11 the Free Software Foundation; either version 2 of the License, or
12 (at your option) any later version.
14 This program is distributed in the hope that it will be useful, but
15 WITHOUT ANY WARRANTY; without even the implied warranty of
16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17 General Public License for more details.
19 You should have received a copy of the GNU General Public License
20 along with this program; if not, write to the Free Software
21 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
26 module Main (main) where
29 import Data.Maybe (isJust, fromJust)
31 import qualified System
33 import qualified Ganeti.HTools.Cluster as Cluster
35 import Ganeti.HTools.CLI
36 import Ganeti.HTools.IAlloc
37 import Ganeti.HTools.Loader (Request(..), ClusterData(..))
39 -- | Options list and functions
53 cmd_args <- System.getArgs
54 (opts, args) <- parseOpts cmd_args "hail" options
56 let shownodes = optShowNodes opts
57 verbose = optVerbose opts
59 request <- readRequest opts args
61 let Request rq cdata = request
64 hPutStrLn stderr $ "Received request: " ++ show rq
67 hPutStrLn stderr $ "Received cluster data: " ++ show cdata
69 when (isJust shownodes) $ do
70 hPutStrLn stderr "Initial cluster status:"
71 hPutStrLn stderr $ Cluster.printNodes (cdNodes cdata)
74 let resp = runIAllocator request