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{-| RPC test program.

-}

{-

Copyright (C) 2011, 2012 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.

-}

import System.Environment

import System.Exit

import System.IO

import Ganeti.Config

import Ganeti.Objects

import qualified Ganeti.Path as P

import Ganeti.Rpc

import Ganeti.Utils

-- | Show usage info and exit.

usage :: IO ()

usage = do

  prog <- getProgName

  exitErr "Usage: " ++ prog ++ " delay node..."

main :: IO ()

main = do

  args <- getArgs

  (delay, nodes) <- case args of

                      [] -> usage >> return ("", []) -- workaround types...

                      _:[] -> usage >> return ("", [])

                      x:xs -> return (x, xs)

  cfg <- loadConfig P.clusterConfFile >>=

         exitIfBad "Can't load configuration"

  let call = RpcCallTestDelay (read delay)

  nodes' <- exitIfBad "Can't find node" $ mapM (getNode cfg) nodes

  results <- executeRpcCall nodes' call

  putStr $ printTable "" ["Node", "Result"]

           (map (\(n, r) -> [nodeName n, show r]) results) [False, False]