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{-# LANGUAGE ExistentialQuantification, TemplateHaskell #-}

{-# OPTIONS_GHC -fno-warn-orphans #-}

{-| Implementation of the opcodes.

-}

{-

Copyright (C) 2009, 2010, 2011, 2012, 2013, 2014 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.

-}

module Ganeti.OpCodes

  ( pyClasses

  , OpCode(..)

  , ReplaceDisksMode(..)

  , DiskIndex

  , mkDiskIndex

  , unDiskIndex

  , opID

  , opReasonSrcID

  , allOpIDs

  , allOpFields

  , opSummary

  , CommonOpParams(..)

  , defOpParams

  , MetaOpCode(..)

  , resolveDependencies

  , wrapOpCode

  , setOpComment

  , setOpPriority

  ) where

import Data.List (intercalate)

import Data.Map (Map)

import qualified Text.JSON

import Text.JSON (readJSON, JSObject, JSON, JSValue(..), makeObj, fromJSObject)

import qualified Ganeti.Constants as C

import qualified Ganeti.Hs2Py.OpDoc as OpDoc

import Ganeti.JSON (DictObject(..))

import Ganeti.OpParams

import Ganeti.PyValue ()

import Ganeti.Query.Language (queryTypeOpToRaw)

import Ganeti.THH

import Ganeti.Types

instance PyValue DiskIndex where

  showValue = showValue . unDiskIndex

instance PyValue IDiskParams where

  showValue _ = error "OpCodes.showValue(IDiskParams): unhandled case"

instance PyValue RecreateDisksInfo where

  showValue RecreateDisksAll = "[]"

  showValue (RecreateDisksIndices is) = showValue is

  showValue (RecreateDisksParams is) = showValue is

instance PyValue a => PyValue (SetParamsMods a) where

  showValue SetParamsEmpty = "[]"

  showValue _ = error "OpCodes.showValue(SetParamsMods): unhandled case"

instance PyValue a => PyValue (NonNegative a) where

  showValue = showValue . fromNonNegative

instance PyValue a => PyValue (NonEmpty a) where

  showValue = showValue . fromNonEmpty

-- FIXME: should use the 'toRaw' function instead of being harcoded or

-- perhaps use something similar to the NonNegative type instead of

-- using the declareSADT

instance PyValue ExportMode where

  showValue ExportModeLocal = show C.exportModeLocal

  showValue ExportModeRemote = show C.exportModeLocal

instance PyValue CVErrorCode where

  showValue = cVErrorCodeToRaw

instance PyValue VerifyOptionalChecks where

  showValue = verifyOptionalChecksToRaw

instance PyValue INicParams where

  showValue = error "instance PyValue INicParams: not implemented"

instance PyValue a => PyValue (JSObject a) where

  showValue obj =

    "{" ++ intercalate ", " (map showPair (fromJSObject obj)) ++ "}"

    where showPair (k, v) = show k ++ ":" ++ showValue v

instance PyValue JSValue where

  showValue (JSObject obj) = showValue obj

  showValue x = show x

type JobIdListOnly = Map String [(Bool, Either String JobId)]

type InstanceMultiAllocResponse =

  ([(Bool, Either String JobId)], NonEmptyString)

type QueryFieldDef =

  (NonEmptyString, NonEmptyString, TagKind, NonEmptyString)

type QueryResponse =

  ([QueryFieldDef], [[(QueryResultCode, JSValue)]])

type QueryFieldsResponse = [QueryFieldDef]

-- | OpCode representation.

--

-- We only implement a subset of Ganeti opcodes: those which are actually used

-- in the htools codebase.

$(genOpCode "OpCode"

  [ ("OpClusterPostInit",

     [t| Bool |],

     OpDoc.opClusterPostInit,

     [],

     [])

  , ("OpClusterDestroy",

     [t| NonEmptyString |],

     OpDoc.opClusterDestroy,

     [],

     [])

  , ("OpClusterQuery",

     [t| JSObject JSValue |],

     OpDoc.opClusterQuery,

     [],

     [])

  , ("OpClusterVerify",

     [t| JobIdListOnly |],

     OpDoc.opClusterVerify,

     [ pDebugSimulateErrors

     , pErrorCodes

     , pSkipChecks

     , pIgnoreErrors

     , pVerbose

     , pOptGroupName

     ],

     [])

  , ("OpClusterVerifyConfig",

     [t| Bool |],

     OpDoc.opClusterVerifyConfig,

     [ pDebugSimulateErrors

     , pErrorCodes

     , pIgnoreErrors

     , pVerbose

     ],

     [])

  , ("OpClusterVerifyGroup",

     [t| Bool |],

     OpDoc.opClusterVerifyGroup,

     [ pGroupName

     , pDebugSimulateErrors

     , pErrorCodes

     , pSkipChecks

     , pIgnoreErrors

     , pVerbose

     ],

     "group_name")

  , ("OpClusterVerifyDisks",

     [t| JobIdListOnly |],

     OpDoc.opClusterVerifyDisks,

     [],

     [])

  , ("OpGroupVerifyDisks",

     [t| (Map String String, [String], Map String [[String]]) |],

     OpDoc.opGroupVerifyDisks,

     [ pGroupName

     ],

     "group_name")

  , ("OpClusterRepairDiskSizes",

     [t| [(NonEmptyString, NonNegative Int, NonEmptyString, NonNegative Int)]|],

     OpDoc.opClusterRepairDiskSizes,

     [ pInstances

     ],

     [])

  , ("OpClusterConfigQuery",

     [t| [JSValue] |],

     OpDoc.opClusterConfigQuery,

     [ pOutputFields

     ],

     [])

  , ("OpClusterRename",

      [t| NonEmptyString |],

      OpDoc.opClusterRename,

     [ pName

     ],

     "name")

  , ("OpClusterSetParams",

     [t| Either () JobIdListOnly |],

     OpDoc.opClusterSetParams,

     [ pForce

     , pHvState

     , pDiskState

     , pVgName

     , pEnabledHypervisors

     , pClusterHvParams

     , pClusterBeParams

     , pOsHvp

     , pClusterOsParams

     , pClusterOsParamsPrivate

     , pDiskParams

     , pCandidatePoolSize

     , pMaxRunningJobs

     , pUidPool

     , pAddUids

     , pRemoveUids

     , pMaintainNodeHealth

     , pPreallocWipeDisks

     , pNicParams

     , withDoc "Cluster-wide node parameter defaults" pNdParams

     , withDoc "Cluster-wide ipolicy specs" pIpolicy

     , pDrbdHelper

     , pDefaultIAllocator

     , pDefaultIAllocatorParams

     , pNetworkMacPrefix

     , pMasterNetdev

     , pMasterNetmask

     , pReservedLvs

     , pHiddenOs

     , pBlacklistedOs

     , pUseExternalMipScript

     , pEnabledDiskTemplates

     , pModifyEtcHosts

     , pClusterFileStorageDir

     , pClusterSharedFileStorageDir

     , pClusterGlusterStorageDir

     , pInstanceCommunicationNetwork

     ],

     [])

  , ("OpClusterRedistConf",

     [t| () |],

     OpDoc.opClusterRedistConf,

     [],

     [])

  , ("OpClusterActivateMasterIp",

     [t| () |],

     OpDoc.opClusterActivateMasterIp,

     [],

     [])

  , ("OpClusterDeactivateMasterIp",

     [t| () |],

     OpDoc.opClusterDeactivateMasterIp,

     [],

     [])

  , ("OpClusterRenewCrypto",

     [t| () |],

     OpDoc.opClusterRenewCrypto,

     [],

     [])

  , ("OpQuery",

     [t| QueryResponse |],

     OpDoc.opQuery,

     [ pQueryWhat

     , pUseLocking

     , pQueryFields

     , pQueryFilter

     ],

     "what")

  , ("OpQueryFields",

     [t| QueryFieldsResponse |],

     OpDoc.opQueryFields,

     [ pQueryWhat

     , pQueryFieldsFields

     ],

     "what")

  , ("OpOobCommand",

     [t| [[(QueryResultCode, JSValue)]] |],

     OpDoc.opOobCommand,

     [ pNodeNames

     , withDoc "List of node UUIDs to run the OOB command against" pNodeUuids

     , pOobCommand

     , pOobTimeout

     , pIgnoreStatus

     , pPowerDelay

     ],

     [])

  , ("OpRestrictedCommand",

     [t| [(Bool, String)] |],

     OpDoc.opRestrictedCommand,

     [ pUseLocking

     , withDoc

       "Nodes on which the command should be run (at least one)"

       pRequiredNodes

     , withDoc

       "Node UUIDs on which the command should be run (at least one)"

       pRequiredNodeUuids

     , pRestrictedCommand

     ],

     [])

  , ("OpNodeRemove",

     [t| () |],

      OpDoc.opNodeRemove,

     [ pNodeName

     , pNodeUuid

     ],

     "node_name")

  , ("OpNodeAdd",

     [t| () |],

      OpDoc.opNodeAdd,

     [ pNodeName

     , pHvState

     , pDiskState

     , pPrimaryIp

     , pSecondaryIp

     , pReadd

     , pNodeGroup

     , pMasterCapable

     , pVmCapable

     , pNdParams

     ],

     "node_name")

  , ("OpNodeQueryvols",

     [t| [JSValue] |],

     OpDoc.opNodeQueryvols,

     [ pOutputFields

     , withDoc "Empty list to query all nodes, node names otherwise" pNodes

     ],

     [])

  , ("OpNodeQueryStorage",

     [t| [[JSValue]] |],

     OpDoc.opNodeQueryStorage,

     [ pOutputFields

     , pOptStorageType

     , withDoc

       "Empty list to query all, list of names to query otherwise"

       pNodes

     , pStorageName

     ],

     [])

  , ("OpNodeModifyStorage",

     [t| () |],

     OpDoc.opNodeModifyStorage,

     [ pNodeName

     , pNodeUuid

     , pStorageType

     , pStorageName

     , pStorageChanges

     ],

     "node_name")

  , ("OpRepairNodeStorage",

      [t| () |],

      OpDoc.opRepairNodeStorage,

     [ pNodeName

     , pNodeUuid

     , pStorageType

     , pStorageName

     , pIgnoreConsistency

     ],

     "node_name")

  , ("OpNodeSetParams",

     [t| [(NonEmptyString, JSValue)] |],

     OpDoc.opNodeSetParams,

     [ pNodeName

     , pNodeUuid

     , pForce

     , pHvState

     , pDiskState

     , pMasterCandidate

     , withDoc "Whether to mark the node offline" pOffline

     , pDrained

     , pAutoPromote

     , pMasterCapable

     , pVmCapable

     , pSecondaryIp

     , pNdParams

     , pPowered

     ],

     "node_name")

  , ("OpNodePowercycle",

     [t| Maybe NonEmptyString |],

     OpDoc.opNodePowercycle,

     [ pNodeName

     , pNodeUuid

     , pForce

     ],

     "node_name")

  , ("OpNodeMigrate",

     [t| JobIdListOnly |],

     OpDoc.opNodeMigrate,

     [ pNodeName

     , pNodeUuid

     , pMigrationMode

     , pMigrationLive

     , pMigrationTargetNode

     , pMigrationTargetNodeUuid

     , pAllowRuntimeChgs

     , pIgnoreIpolicy

     , pIallocator

     ],

     "node_name")

  , ("OpNodeEvacuate",

     [t| JobIdListOnly |],

     OpDoc.opNodeEvacuate,

     [ pEarlyRelease

     , pNodeName

     , pNodeUuid

     , pRemoteNode

     , pRemoteNodeUuid

     , pIallocator

     , pEvacMode

     ],

     "node_name")

  , ("OpInstanceCreate",

     [t| [NonEmptyString] |],

     OpDoc.opInstanceCreate,

     [ pInstanceName

     , pForceVariant

     , pWaitForSync

     , pNameCheck

     , pIgnoreIpolicy

     , pOpportunisticLocking

     , pInstBeParams

     , pInstDisks

     , pOptDiskTemplate

     , pFileDriver

     , pFileStorageDir

     , pInstHvParams

     , pHypervisor

     , pIallocator

     , pResetDefaults

     , pIpCheck

     , pIpConflictsCheck

     , pInstCreateMode

     , pInstNics

     , pNoInstall

     , pInstOsParams

     , pInstOsParamsPrivate

     , pInstOsParamsSecret

     , pInstOs

     , pPrimaryNode

     , pPrimaryNodeUuid

     , pSecondaryNode

     , pSecondaryNodeUuid

     , pSourceHandshake

     , pSourceInstance

     , pSourceShutdownTimeout

     , pSourceX509Ca

     , pSrcNode

     , pSrcNodeUuid

     , pSrcPath

     , pBackupCompress

     , pStartInstance

     , pInstTags

     , pInstanceCommunication

     ],

     "instance_name")

  , ("OpInstanceMultiAlloc",

     [t| InstanceMultiAllocResponse |],

     OpDoc.opInstanceMultiAlloc,

     [ pOpportunisticLocking

     , pIallocator

     , pMultiAllocInstances

     ],

     [])

  , ("OpInstanceReinstall",

     [t| () |],

     OpDoc.opInstanceReinstall,

     [ pInstanceName

     , pInstanceUuid

     , pForceVariant

     , pInstOs

     , pTempOsParams

     , pTempOsParamsPrivate

     , pTempOsParamsSecret

     ],

     "instance_name")

  , ("OpInstanceRemove",

     [t| () |],

     OpDoc.opInstanceRemove,

     [ pInstanceName

     , pInstanceUuid

     , pShutdownTimeout

     , pIgnoreFailures

     ],

     "instance_name")

  , ("OpInstanceRename",

     [t| NonEmptyString |],

     OpDoc.opInstanceRename,

     [ pInstanceName

     , pInstanceUuid

     , withDoc "New instance name" pNewName

     , pNameCheck

     , pIpCheck

     ],

     [])

  , ("OpInstanceStartup",

     [t| () |],

     OpDoc.opInstanceStartup,

     [ pInstanceName

     , pInstanceUuid

     , pForce

     , pIgnoreOfflineNodes

     , pTempHvParams

     , pTempBeParams

     , pNoRemember

     , pStartupPaused

     ],

     "instance_name")

  , ("OpInstanceShutdown",

     [t| () |],

     OpDoc.opInstanceShutdown,

     [ pInstanceName

     , pInstanceUuid

     , pForce

     , pIgnoreOfflineNodes

     , pShutdownTimeout'

     , pNoRemember

     ],

     "instance_name")

  , ("OpInstanceReboot",

     [t| () |],

     OpDoc.opInstanceReboot,

     [ pInstanceName

     , pInstanceUuid

     , pShutdownTimeout

     , pIgnoreSecondaries

     , pRebootType

     ],

     "instance_name")

  , ("OpInstanceReplaceDisks",

     [t| () |],

     OpDoc.opInstanceReplaceDisks,

     [ pInstanceName

     , pInstanceUuid

     , pEarlyRelease

     , pIgnoreIpolicy

     , pReplaceDisksMode

     , pReplaceDisksList

     , pRemoteNode

     , pRemoteNodeUuid

     , pIallocator

     ],

     "instance_name")

  , ("OpInstanceFailover",

     [t| () |],

     OpDoc.opInstanceFailover,

     [ pInstanceName

     , pInstanceUuid

     , pShutdownTimeout

     , pIgnoreConsistency

     , pMigrationTargetNode

     , pMigrationTargetNodeUuid

     , pIgnoreIpolicy

     , pMigrationCleanup

     , pIallocator

     ],

     "instance_name")

  , ("OpInstanceMigrate",

     [t| () |],

     OpDoc.opInstanceMigrate,

     [ pInstanceName

     , pInstanceUuid

     , pMigrationMode

     , pMigrationLive

     , pMigrationTargetNode

     , pMigrationTargetNodeUuid

     , pAllowRuntimeChgs

     , pIgnoreIpolicy

     , pMigrationCleanup

     , pIallocator

     , pAllowFailover

     ],

     "instance_name")

  , ("OpInstanceMove",

     [t| () |],

     OpDoc.opInstanceMove,

     [ pInstanceName

     , pInstanceUuid

     , pShutdownTimeout

     , pIgnoreIpolicy

     , pMoveTargetNode

     , pMoveTargetNodeUuid

     , pMoveCompress

     , pIgnoreConsistency

     ],

     "instance_name")

  , ("OpInstanceConsole",

     [t| JSObject JSValue |],

     OpDoc.opInstanceConsole,

     [ pInstanceName

     , pInstanceUuid

     ],

     "instance_name")

  , ("OpInstanceActivateDisks",

     [t| [(NonEmptyString, NonEmptyString, NonEmptyString)] |],

     OpDoc.opInstanceActivateDisks,

     [ pInstanceName

     , pInstanceUuid

     , pIgnoreDiskSize

     , pWaitForSyncFalse

     ],

     "instance_name")

  , ("OpInstanceDeactivateDisks",

     [t| () |],

     OpDoc.opInstanceDeactivateDisks,

     [ pInstanceName

     , pInstanceUuid

     , pForce

     ],

     "instance_name")

  , ("OpInstanceRecreateDisks",

     [t| () |],

     OpDoc.opInstanceRecreateDisks,

     [ pInstanceName

     , pInstanceUuid

     , pRecreateDisksInfo

     , withDoc "New instance nodes, if relocation is desired" pNodes

     , withDoc "New instance node UUIDs, if relocation is desired" pNodeUuids

     , pIallocator

     ],

     "instance_name")

  , ("OpInstanceQueryData",

     [t| JSObject (JSObject JSValue) |],

     OpDoc.opInstanceQueryData,

     [ pUseLocking

     , pInstances

     , pStatic

     ],

     [])

  , ("OpInstanceSetParams",

      [t| [(NonEmptyString, JSValue)] |],

      OpDoc.opInstanceSetParams,

     [ pInstanceName

     , pInstanceUuid

     , pForce

     , pForceVariant

     , pIgnoreIpolicy

     , pInstParamsNicChanges

     , pInstParamsDiskChanges

     , pInstBeParams

     , pRuntimeMem

     , pInstHvParams

     , pOptDiskTemplate

     , pPrimaryNode

     , pPrimaryNodeUuid

     , withDoc "Secondary node (used when changing disk template)" pRemoteNode

     , withDoc

       "Secondary node UUID (used when changing disk template)"

       pRemoteNodeUuid

     , pOsNameChange

     , pInstOsParams

     , pInstOsParamsPrivate

     , pWaitForSync

     , withDoc "Whether to mark the instance as offline" pOffline

     , pIpConflictsCheck

     , pHotplug

     , pHotplugIfPossible

     , pOptInstanceCommunication

     ],

     "instance_name")

  , ("OpInstanceGrowDisk",

     [t| () |],

     OpDoc.opInstanceGrowDisk,

     [ pInstanceName

     , pInstanceUuid

     , pWaitForSync

     , pDiskIndex

     , pDiskChgAmount

     , pDiskChgAbsolute

     ],

     "instance_name")

  , ("OpInstanceChangeGroup",

     [t| JobIdListOnly |],

     OpDoc.opInstanceChangeGroup,

     [ pInstanceName

     , pInstanceUuid

     , pEarlyRelease

     , pIallocator

     , pTargetGroups

     ],

     "instance_name")

  , ("OpGroupAdd",

     [t| Either () JobIdListOnly |],

     OpDoc.opGroupAdd,

     [ pGroupName

     , pNodeGroupAllocPolicy

     , pGroupNodeParams

     , pDiskParams

     , pHvState

     , pDiskState

     , withDoc "Group-wide ipolicy specs" pIpolicy

     ],

     "group_name")

  , ("OpGroupAssignNodes",

     [t| () |],

     OpDoc.opGroupAssignNodes,

     [ pGroupName

     , pForce

     , withDoc "List of nodes to assign" pRequiredNodes

     , withDoc "List of node UUIDs to assign" pRequiredNodeUuids

     ],

     "group_name")

  , ("OpGroupSetParams",

     [t| [(NonEmptyString, JSValue)] |],

     OpDoc.opGroupSetParams,

     [ pGroupName

     , pNodeGroupAllocPolicy

     , pGroupNodeParams

     , pDiskParams

     , pHvState

     , pDiskState

     , withDoc "Group-wide ipolicy specs" pIpolicy

     ],

     "group_name")

  , ("OpGroupRemove",

     [t| () |],

     OpDoc.opGroupRemove,

     [ pGroupName

     ],

     "group_name")

  , ("OpGroupRename",

     [t| NonEmptyString |],

     OpDoc.opGroupRename,

     [ pGroupName

     , withDoc "New group name" pNewName

     ],

     [])

  , ("OpGroupEvacuate",

     [t| JobIdListOnly |],

     OpDoc.opGroupEvacuate,

     [ pGroupName

     , pEarlyRelease

     , pIallocator

     , pTargetGroups

     ],

     "group_name")

  , ("OpOsDiagnose",

     [t| [[JSValue]] |],

     OpDoc.opOsDiagnose,

     [ pOutputFields

     , withDoc "Which operating systems to diagnose" pNames

     ],

     [])

  , ("OpExtStorageDiagnose",

     [t| [[JSValue]] |],

     OpDoc.opExtStorageDiagnose,

     [ pOutputFields

     , withDoc "Which ExtStorage Provider to diagnose" pNames

     ],

     [])

  , ("OpBackupPrepare",

     [t| Maybe (JSObject JSValue) |],

     OpDoc.opBackupPrepare,

     [ pInstanceName

     , pInstanceUuid

     , pExportMode

     ],

     "instance_name")

  , ("OpBackupExport",

     [t| (Bool, [Bool]) |],

     OpDoc.opBackupExport,

     [ pInstanceName

     , pInstanceUuid

     , pBackupCompress

     , pShutdownTimeout

     , pExportTargetNode

     , pExportTargetNodeUuid

     , pShutdownInstance

     , pRemoveInstance

     , pIgnoreRemoveFailures

     , defaultField [| ExportModeLocal |] pExportMode

     , pX509KeyName

     , pX509DestCA

     ],

     "instance_name")

  , ("OpBackupRemove",

     [t| () |],

     OpDoc.opBackupRemove,

     [ pInstanceName

     , pInstanceUuid

     ],

     "instance_name")

  , ("OpTagsGet",

     [t| [NonEmptyString] |],

     OpDoc.opTagsGet,

     [ pTagsObject

     , pUseLocking

     , withDoc "Name of object to retrieve tags from" pTagsName

     ],

     "name")

  , ("OpTagsSearch",

     [t| [(NonEmptyString, NonEmptyString)] |],

     OpDoc.opTagsSearch,

     [ pTagSearchPattern

     ],

     "pattern")

  , ("OpTagsSet",

     [t| () |],

     OpDoc.opTagsSet,

     [ pTagsObject

     , pTagsList

     , withDoc "Name of object where tag(s) should be added" pTagsName

     ],

     [])

  , ("OpTagsDel",

     [t| () |],

     OpDoc.opTagsDel,

     [ pTagsObject

     , pTagsList

     , withDoc "Name of object where tag(s) should be deleted" pTagsName

     ],

     [])

  , ("OpTestDelay",

     [t| () |],

     OpDoc.opTestDelay,

     [ pDelayDuration

     , pDelayOnMaster

     , pDelayOnNodes

     , pDelayOnNodeUuids

     , pDelayRepeat

     ],

     "duration")

  , ("OpTestAllocator",

     [t| String |],

     OpDoc.opTestAllocator,

     [ pIAllocatorDirection

     , pIAllocatorMode

     , pIAllocatorReqName

     , pIAllocatorNics

     , pIAllocatorDisks

     , pHypervisor

     , pIallocator

     , pInstTags

     , pIAllocatorMemory

     , pIAllocatorVCpus

     , pIAllocatorOs

     , pDiskTemplate

     , pIAllocatorInstances

     , pIAllocatorEvacMode

     , pTargetGroups

     , pIAllocatorSpindleUse

     , pIAllocatorCount

     ],

     "iallocator")

  , ("OpTestJqueue",

     [t| Bool |],

     OpDoc.opTestJqueue,

     [ pJQueueNotifyWaitLock

     , pJQueueNotifyExec

     , pJQueueLogMessages

     , pJQueueFail

     ],

     [])

  , ("OpTestDummy",

     [t| () |],

     OpDoc.opTestDummy,

     [ pTestDummyResult

     , pTestDummyMessages

     , pTestDummyFail

     , pTestDummySubmitJobs

     ],

     [])

  , ("OpNetworkAdd",

     [t| () |],

     OpDoc.opNetworkAdd,

     [ pNetworkName

     , pNetworkAddress4

     , pNetworkGateway4

     , pNetworkAddress6

     , pNetworkGateway6

     , pNetworkMacPrefix

     , pNetworkAddRsvdIps

     , pIpConflictsCheck

     , withDoc "Network tags" pInstTags

     ],

     "network_name")

  , ("OpNetworkRemove",

     [t| () |],

     OpDoc.opNetworkRemove,

     [ pNetworkName

     , pForce

     ],

     "network_name")

  , ("OpNetworkSetParams",

     [t| () |],

     OpDoc.opNetworkSetParams,

     [ pNetworkName

     , pNetworkGateway4

     , pNetworkAddress6

     , pNetworkGateway6

     , pNetworkMacPrefix

     , withDoc "Which external IP addresses to reserve" pNetworkAddRsvdIps

     , pNetworkRemoveRsvdIps

     ],

     "network_name")

  , ("OpNetworkConnect",

     [t| () |],

     OpDoc.opNetworkConnect,

     [ pGroupName

     , pNetworkName

     , pNetworkMode

     , pNetworkLink

     , pIpConflictsCheck

     ],

     "network_name")

  , ("OpNetworkDisconnect",

     [t| () |],

     OpDoc.opNetworkDisconnect,

     [ pGroupName

     , pNetworkName

     ],

     "network_name")

  ])

-- | Returns the OP_ID for a given opcode value.

$(genOpID ''OpCode "opID")

-- | A list of all defined/supported opcode IDs.

$(genAllOpIDs ''OpCode "allOpIDs")

-- | Convert the opcode name to lowercase with underscores and strip

-- the @Op@ prefix.

$(genOpLowerStrip (C.opcodeReasonSrcOpcode ++ ":") ''OpCode "opReasonSrcID")

instance JSON OpCode where

  readJSON = loadOpCode

  showJSON = saveOpCode

-- | Generates the summary value for an opcode.

opSummaryVal :: OpCode -> Maybe String

opSummaryVal OpClusterVerifyGroup { opGroupName = s } = Just (fromNonEmpty s)

opSummaryVal OpGroupVerifyDisks { opGroupName = s } = Just (fromNonEmpty s)

opSummaryVal OpClusterRename { opName = s } = Just (fromNonEmpty s)

opSummaryVal OpQuery { opWhat = s } = Just (queryTypeOpToRaw s)

opSummaryVal OpQueryFields { opWhat = s } = Just (queryTypeOpToRaw s)

opSummaryVal OpNodeRemove { opNodeName = s } = Just (fromNonEmpty s)

opSummaryVal OpNodeAdd { opNodeName = s } = Just (fromNonEmpty s)

opSummaryVal OpNodeModifyStorage { opNodeName = s } = Just (fromNonEmpty s)

opSummaryVal OpRepairNodeStorage  { opNodeName = s } = Just (fromNonEmpty s)

opSummaryVal OpNodeSetParams { opNodeName = s } = Just (fromNonEmpty s)

opSummaryVal OpNodePowercycle { opNodeName = s } = Just (fromNonEmpty s)

opSummaryVal OpNodeMigrate { opNodeName = s } = Just (fromNonEmpty s)

opSummaryVal OpNodeEvacuate { opNodeName = s } = Just (fromNonEmpty s)

opSummaryVal OpInstanceCreate { opInstanceName = s } = Just s

opSummaryVal OpInstanceReinstall { opInstanceName = s } = Just s

opSummaryVal OpInstanceRemove { opInstanceName = s } = Just s

-- FIXME: instance rename should show both names; currently it shows none

-- opSummaryVal OpInstanceRename { opInstanceName = s } = Just s

opSummaryVal OpInstanceStartup { opInstanceName = s } = Just s

opSummaryVal OpInstanceShutdown { opInstanceName = s } = Just s

opSummaryVal OpInstanceReboot { opInstanceName = s } = Just s

opSummaryVal OpInstanceReplaceDisks { opInstanceName = s } = Just s

opSummaryVal OpInstanceFailover { opInstanceName = s } = Just s

opSummaryVal OpInstanceMigrate { opInstanceName = s } = Just s

opSummaryVal OpInstanceMove { opInstanceName = s } = Just s

opSummaryVal OpInstanceConsole { opInstanceName = s } = Just s

opSummaryVal OpInstanceActivateDisks { opInstanceName = s } = Just s

opSummaryVal OpInstanceDeactivateDisks { opInstanceName = s } = Just s

opSummaryVal OpInstanceRecreateDisks { opInstanceName = s } = Just s

opSummaryVal OpInstanceSetParams { opInstanceName = s } = Just s

opSummaryVal OpInstanceGrowDisk { opInstanceName = s } = Just s

opSummaryVal OpInstanceChangeGroup { opInstanceName = s } = Just s

opSummaryVal OpGroupAdd { opGroupName = s } = Just (fromNonEmpty s)

opSummaryVal OpGroupAssignNodes { opGroupName = s } = Just (fromNonEmpty s)

opSummaryVal OpGroupSetParams { opGroupName = s } = Just (fromNonEmpty s)

opSummaryVal OpGroupRemove { opGroupName = s } = Just (fromNonEmpty s)

opSummaryVal OpGroupEvacuate { opGroupName = s } = Just (fromNonEmpty s)

opSummaryVal OpBackupPrepare { opInstanceName = s } = Just s

opSummaryVal OpBackupExport { opInstanceName = s } = Just s

opSummaryVal OpBackupRemove { opInstanceName = s } = Just s

opSummaryVal OpTagsGet { opKind = s } = Just (show s)

opSummaryVal OpTagsSearch { opTagSearchPattern = s } = Just (fromNonEmpty s)

opSummaryVal OpTestDelay { opDelayDuration = d } = Just (show d)

opSummaryVal OpTestAllocator { opIallocator = s } =

  -- FIXME: Python doesn't handle None fields well, so we have behave the same

  Just $ maybe "None" fromNonEmpty s

opSummaryVal OpNetworkAdd { opNetworkName = s} = Just (fromNonEmpty s)

opSummaryVal OpNetworkRemove { opNetworkName = s} = Just (fromNonEmpty s)

opSummaryVal OpNetworkSetParams { opNetworkName = s} = Just (fromNonEmpty s)

opSummaryVal OpNetworkConnect { opNetworkName = s} = Just (fromNonEmpty s)

opSummaryVal OpNetworkDisconnect { opNetworkName = s} = Just (fromNonEmpty s)

opSummaryVal _ = Nothing

-- | Computes the summary of the opcode.

opSummary :: OpCode -> String

opSummary op =

  case opSummaryVal op of

    Nothing -> op_suffix

    Just s -> op_suffix ++ "(" ++ s ++ ")"

  where op_suffix = drop 3 $ opID op

-- | Generic\/common opcode parameters.

$(buildObject "CommonOpParams" "op"

  [ pDryRun

  , pDebugLevel

  , pOpPriority

  , pDependencies

  , pComment

  , pReason

  ])

-- | Default common parameter values.

defOpParams :: CommonOpParams

defOpParams =

  CommonOpParams { opDryRun     = Nothing

                 , opDebugLevel = Nothing

                 , opPriority   = OpPrioNormal

                 , opDepends    = Nothing

                 , opComment    = Nothing

                 , opReason     = []

                 }

-- | Resolve relative dependencies to absolute ones, given the job ID.

resolveDependsCommon :: (Monad m) => CommonOpParams -> JobId -> m CommonOpParams

resolveDependsCommon p@(CommonOpParams { opDepends = Just deps}) jid = do

  deps' <- mapM (`absoluteJobDependency` jid) deps

  return p { opDepends = Just deps' }

resolveDependsCommon p _ = return p

-- | The top-level opcode type.

data MetaOpCode = MetaOpCode { metaParams :: CommonOpParams

                             , metaOpCode :: OpCode

                             } deriving (Show, Eq)

-- | Resolve relative dependencies to absolute ones, given the job Id.

resolveDependencies :: (Monad m) => MetaOpCode -> JobId -> m MetaOpCode

resolveDependencies mopc jid = do

  mpar <- resolveDependsCommon (metaParams mopc) jid

  return (mopc { metaParams = mpar })

-- | JSON serialisation for 'MetaOpCode'.

showMeta :: MetaOpCode -> JSValue

showMeta (MetaOpCode params op) =

  let objparams = toDict params

      objop = toDictOpCode op

  in makeObj (objparams ++ objop)

-- | JSON deserialisation for 'MetaOpCode'

readMeta :: JSValue -> Text.JSON.Result MetaOpCode

readMeta v = do

  meta <- readJSON v

  op <- readJSON v

  return $ MetaOpCode meta op

instance JSON MetaOpCode where

  showJSON = showMeta

  readJSON = readMeta

-- | Wraps an 'OpCode' with the default parameters to build a

-- 'MetaOpCode'.

wrapOpCode :: OpCode -> MetaOpCode

wrapOpCode = MetaOpCode defOpParams

-- | Sets the comment on a meta opcode.

setOpComment :: String -> MetaOpCode -> MetaOpCode

setOpComment comment (MetaOpCode common op) =

  MetaOpCode (common { opComment = Just comment}) op

-- | Sets the priority on a meta opcode.

setOpPriority :: OpSubmitPriority -> MetaOpCode -> MetaOpCode

setOpPriority prio (MetaOpCode common op) =

  MetaOpCode (common { opPriority = prio }) op