root / htools / Ganeti / OpCodes.hs @ 1a865afe
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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, 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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module Ganeti.OpCodes |
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( OpCode(..) |
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, TagObject(..) |
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, tagObjectFrom |
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, encodeTagObject |
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, decodeTagObject |
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, ReplaceDisksMode(..) |
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, DiskIndex |
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, mkDiskIndex |
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, unDiskIndex |
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, opID |
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, allOpIDs |
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) where |
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import Text.JSON (readJSON, showJSON, JSON()) |
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import Ganeti.THH |
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import Ganeti.OpParams |
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-- | OpCode representation. |
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-- |
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-- We only implement a subset of Ganeti opcodes: those which are actually used |
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-- in the htools codebase. |
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$(genOpCode "OpCode" |
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[ ("OpTestDelay",
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[ simpleField "duration" [t| Double |] |
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, simpleField "on_master" [t| Bool |] |
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, simpleField "on_nodes" [t| [String] |] |
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]) |
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, ("OpInstanceReplaceDisks",
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[ pInstanceName |
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, optionalField $ simpleField "remote_node" [t| String |] |
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, simpleField "mode" [t| ReplaceDisksMode |] |
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, simpleField "disks" [t| [DiskIndex] |] |
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, optionalField $ simpleField "iallocator" [t| String |] |
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]) |
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, ("OpInstanceFailover",
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[ pInstanceName |
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, simpleField "ignore_consistency" [t| Bool |] |
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, optionalField $ simpleField "target_node" [t| String |] |
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]) |
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, ("OpInstanceMigrate",
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[ pInstanceName |
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, simpleField "live" [t| Bool |] |
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, simpleField "cleanup" [t| Bool |] |
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, defaultField [| False |] $ simpleField "allow_failover" [t| Bool |] |
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, optionalField $ simpleField "target_node" [t| String |] |
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]) |
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, ("OpTagsSet",
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[ pTagsObject |
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, pTagsList |
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]) |
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, ("OpTagsDel",
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[ pTagsObject |
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, pTagsList |
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]) |
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]) |
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-- | Returns the OP_ID for a given opcode value. |
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$(genOpID ''OpCode "opID") |
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-- | A list of all defined/supported opcode IDs. |
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$(genAllOpIDs ''OpCode "allOpIDs") |
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instance JSON OpCode where |
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readJSON = loadOpCode |
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showJSON = saveOpCode |