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{-# LANGUAGE TupleSections, TemplateHaskell #-}
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{-| Unittests for Instance Queries.
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-}
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{-
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Copyright (C) 2013 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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module Test.Ganeti.Query.Instance
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( testQuery_Instance
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) where
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import qualified Data.Map as Map
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import qualified Data.Set as Set
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import Ganeti.JSON
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import Ganeti.Objects
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import Ganeti.Query.Instance
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import Ganeti.Rpc
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import Ganeti.Types
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import Test.Ganeti.TestHelper
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import Test.HUnit
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{-# ANN module "HLint: ignore Use camelCase" #-}
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-- | Creates an instance with the desired name, pnode uuid, and AdminState.
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-- All other fields are placeholders.
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createInstance :: String -> String -> AdminState -> Instance
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createInstance name pnodeUuid adminState =
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Instance name pnodeUuid "" Kvm
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(GenericContainer Map.empty)
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(PartialBeParams Nothing Nothing Nothing Nothing Nothing Nothing)
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(GenericContainer Map.empty)
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adminState [] [] DTDrbd8 False Nothing 0.0 0.0 "" 0 Set.empty
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-- | A fake InstanceInfo to be used to check values.
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fakeInstanceInfo :: InstanceInfo
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fakeInstanceInfo = InstanceInfo 0 "" 0 0
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-- | Erroneous node response - the exact error does not matter.
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responseError :: String -> (String, ERpcError a)
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responseError name = (name, Left . RpcResultError $ "Insignificant error")
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-- | Successful response - the error does not really matter.
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responseSuccess :: String
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-> [String]
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-> (String, ERpcError RpcResultAllInstancesInfo)
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responseSuccess name instNames = (name, Right .
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RpcResultAllInstancesInfo . map (, fakeInstanceInfo) $ instNames)
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-- | The instance used for testing. Called Waldo as test cases involve trouble
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-- finding information related to it.
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waldoInstance :: Instance
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waldoInstance = createInstance "Waldo" "prim" AdminUp
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-- | Check that an error is thrown when the node is offline
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case_nodeOffline :: Assertion
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case_nodeOffline =
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let responses = [ responseError "prim"
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, responseError "second"
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, responseSuccess "node" ["NotWaldo", "DefinitelyNotWaldo"]
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]
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in case getInstanceInfo responses waldoInstance of
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Left _ -> return ()
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Right _ -> assertFailure
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"Error occurred when instance info is missing and node is offline"
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-- | Check that a Right Nothing is returned when the node is online, yet no info
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-- is present anywhere in the system.
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case_nodeOnlineNoInfo :: Assertion
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case_nodeOnlineNoInfo =
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let responses = [ responseSuccess "prim" ["NotWaldo1"]
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, responseSuccess "second" ["NotWaldo2"]
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, responseError "node"
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]
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in case getInstanceInfo responses waldoInstance of
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Left _ -> assertFailure
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"Error occurred when instance info could be found on primary"
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Right Nothing -> return ()
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Right _ -> assertFailure
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"Some instance info found when none should be"
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-- | Check the case when the info is on the primary node
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case_infoOnPrimary :: Assertion
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case_infoOnPrimary =
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let responses = [ responseSuccess "prim" ["NotWaldo1", "Waldo"]
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, responseSuccess "second" ["NotWaldo2"]
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, responseSuccess "node" ["NotWaldo3"]
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]
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in case getInstanceInfo responses waldoInstance of
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Left _ -> assertFailure
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"Cannot retrieve instance info when present on primary node"
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Right (Just (_, True)) -> return ()
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Right _ -> assertFailure
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"Instance info not found on primary node, despite being there"
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-- | Check the case when the info is on the primary node
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case_infoOnSecondary :: Assertion
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case_infoOnSecondary =
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let responses = [ responseSuccess "prim" ["NotWaldo1"]
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, responseSuccess "second" ["Waldo", "NotWaldo2"]
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, responseError "node"
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]
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in case getInstanceInfo responses waldoInstance of
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Left _ -> assertFailure
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"Cannot retrieve instance info when present on secondary node"
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Right (Just (_, False)) -> return ()
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Right _ -> assertFailure
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"Instance info not found on secondary node, despite being there"
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testSuite "Query_Instance"
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[ 'case_nodeOffline
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, 'case_nodeOnlineNoInfo
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, 'case_infoOnPrimary
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, 'case_infoOnSecondary
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]
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