root / src / Ganeti / Query / Cluster.hs @ 1c3231aa
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{-| Implementation of the Ganeti Query2 cluster queries.
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-} |
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{-
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Copyright (C) 2012, 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 Ganeti.Query.Cluster |
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( clusterMasterNodeName |
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) where |
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import Control.Monad (liftM) |
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import Ganeti.Objects |
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import Ganeti.Config |
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import Ganeti.Errors |
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-- | Get master node name. |
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clusterMasterNodeName :: ConfigData -> ErrorResult String |
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clusterMasterNodeName cfg = |
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let cluster = configCluster cfg |
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masterNodeUuid = clusterMasterNode cluster |
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in liftM nodeName $ getNode cfg masterNodeUuid |