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{-| RPC test program.
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-}
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{-
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Copyright (C) 2011, 2012 Google Inc.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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02110-1301, USA.
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-}
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import System.Environment
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import Ganeti.Errors
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import Ganeti.Config
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import Ganeti.Objects
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import qualified Ganeti.Path as P
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import Ganeti.Rpc
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import Ganeti.Utils
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-- | Show usage info and exit.
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usage :: IO ()
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usage = do
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  prog <- getProgName
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  exitErr $ "Usage: " ++ prog ++ " delay node..."
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main :: IO ()
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main = do
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  args <- getArgs
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  (delay, nodes) <- case args of
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                      [] -> usage >> return ("", []) -- workaround types...
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                      _:[] -> usage >> return ("", [])
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                      x:xs -> return (x, xs)
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  cfg_file <- P.clusterConfFile
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  cfg <- loadConfig  cfg_file>>= exitIfBad "Can't load configuration"
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  let call = RpcCallTestDelay (read delay)
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  nodes' <- exitIfBad "Can't find node" . errToResult $
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            mapM (getNode cfg) nodes
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  results <- executeRpcCall nodes' call
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  putStr $ printTable "" ["Node", "Result"]
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           (map (\(n, r) -> [nodeName n, either explainRpcError show r])
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                results)
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           [False, False]