root / htools / Ganeti / OpCodes.hs @ 61bbbed7
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{-# LANGUAGE TemplateHaskell #-} |
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{-| Implementation of the opcodes. |
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-} |
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{- |
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Copyright (C) 2009, 2010, 2011 Google Inc. |
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|
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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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|
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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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|
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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.OpCodes |
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( OpCode(..) |
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, ReplaceDisksMode(..) |
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, opID |
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) where |
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import Text.JSON (readJSON, showJSON, makeObj, JSON) |
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import qualified Text.JSON as J |
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import qualified Ganeti.Constants as C |
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import Ganeti.THH |
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import Ganeti.HTools.Utils |
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-- | Replace disks type. |
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$(declareSADT "ReplaceDisksMode" |
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[ ("ReplaceOnPrimary", 'C.replaceDiskPri) |
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, ("ReplaceOnSecondary", 'C.replaceDiskSec) |
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, ("ReplaceNewSecondary", 'C.replaceDiskChg) |
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, ("ReplaceAuto", 'C.replaceDiskAuto) |
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]) |
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$(makeJSONInstance ''ReplaceDisksMode) |
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-- | OpCode representation. |
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-- |
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-- We only implement a subset of Ganeti opcodes, but only what we |
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-- actually use in the htools codebase. |
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$(genOpCode "OpCode" |
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[ ("OpTestDelay", |
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[ ("duration", [t| Double |], noDefault) |
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, ("on_master", [t| Bool |], noDefault) |
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, ("on_nodes", [t| [String] |], noDefault) |
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]) |
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, ("OpInstanceReplaceDisks", |
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[ ("instance_name", [t| String |], noDefault) |
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, ("remote_node", [t| Maybe String |], noDefault) |
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, ("mode", [t| ReplaceDisksMode |], noDefault) |
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, ("disks", [t| [Int] |], noDefault) |
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, ("iallocator", [t| Maybe String |], noDefault) |
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]) |
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, ("OpInstanceFailover", |
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[ ("instance_name", [t| String |], noDefault) |
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, ("ignore_consistency", [t| Bool |], noDefault) |
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, ("target_node", [t| Maybe String |], noDefault) |
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]) |
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, ("OpInstanceMigrate", |
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[ ("instance_name", [t| String |], noDefault) |
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, ("live", [t| Bool |], noDefault) |
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, ("cleanup", [t| Bool |], noDefault) |
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, ("allow_failover", [t| Bool |], [| Just False |]) |
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, ("target_node", [t| Maybe String |], noDefault) |
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]) |
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]) |
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$(genOpID ''OpCode "opID") |
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instance JSON OpCode where |
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readJSON = loadOpCode |
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showJSON = saveOpCode |