root / htools / Ganeti / Query / Job.hs @ a7e484c4
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{-| Implementation of the Ganeti Query2 job queries. |
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-} |
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{- |
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Copyright (C) 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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|
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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.Query.Job |
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( RuntimeData |
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, fieldsMap |
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, loadRuntimeData |
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, wantArchived |
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) where |
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|
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import qualified Data.Map as Map |
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import qualified Text.JSON as J |
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import Ganeti.BasicTypes |
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import qualified Ganeti.Constants as C |
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import Ganeti.JQueue |
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import Ganeti.OpCodes (opSummary, metaOpCode) |
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import Ganeti.Path |
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import Ganeti.Query.Common |
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import Ganeti.Query.Language |
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import Ganeti.Query.Types |
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import Ganeti.Types |
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-- | The runtime data for a job. |
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type RuntimeData = Result (QueuedJob, Bool) |
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-- | Job priority explanation. |
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jobPrioDoc :: String |
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jobPrioDoc = "Current job priority (" ++ show C.opPrioLowest ++ " to " ++ |
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show C.opPrioHighest ++ ")" |
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-- | Timestamp doc. |
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tsDoc :: String -> String |
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tsDoc = (++ " (tuple containing seconds and microseconds)") |
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-- | Wrapper for unavailable job. |
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maybeJob :: (J.JSON a) => |
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(QueuedJob -> a) -> RuntimeData -> JobId -> ResultEntry |
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maybeJob _ (Bad _) _ = rsUnavail |
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maybeJob f (Ok (v, _)) _ = rsNormal $ f v |
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-- | Simple helper for a job getter. |
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jobGetter :: (J.JSON a) => (QueuedJob -> a) -> FieldGetter JobId RuntimeData |
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jobGetter = FieldRuntime . maybeJob |
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-- | Simple helper for a per-opcode getter. |
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opsGetter :: (J.JSON a) => (QueuedOpCode -> a) -> FieldGetter JobId RuntimeData |
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opsGetter f = FieldRuntime $ maybeJob (map f . qjOps) |
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-- | Archived field name. |
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archivedField :: String |
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archivedField = "archived" |
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-- | Check whether we should look at archived jobs as well. |
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wantArchived :: [FilterField] -> Bool |
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wantArchived = (archivedField `elem`) |
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-- | List of all node fields. FIXME: QFF_JOB_ID on the id field. |
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jobFields :: FieldList JobId RuntimeData |
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jobFields = |
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[ (FieldDefinition "id" "ID" QFTNumber "Job ID", FieldSimple rsNormal, |
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QffNormal) |
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, (FieldDefinition "status" "Status" QFTText "Job status", |
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jobGetter calcJobStatus, QffNormal) |
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, (FieldDefinition "priority" "Priority" QFTNumber jobPrioDoc, |
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jobGetter calcJobPriority, QffNormal) |
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, (FieldDefinition archivedField "Archived" QFTBool |
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"Whether job is archived", |
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FieldRuntime (\jinfo _ -> case jinfo of |
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Ok (_, archive) -> rsNormal archive |
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_ -> rsUnavail), QffNormal) |
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, (FieldDefinition "ops" "OpCodes" QFTOther "List of all opcodes", |
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opsGetter qoInput, QffNormal) |
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, (FieldDefinition "opresult" "OpCode_result" QFTOther |
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"List of opcodes results", opsGetter qoResult, QffNormal) |
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, (FieldDefinition "opstatus" "OpCode_status" QFTOther |
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"List of opcodes status", opsGetter qoStatus, QffNormal) |
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, (FieldDefinition "oplog" "OpCode_log" QFTOther |
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"List of opcode output logs", opsGetter qoLog, QffNormal) |
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, (FieldDefinition "opstart" "OpCode_start" QFTOther |
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"List of opcode start timestamps (before acquiring locks)", |
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opsGetter qoStartTimestamp, QffNormal) |
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, (FieldDefinition "opexec" "OpCode_exec" QFTOther |
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"List of opcode execution start timestamps (after acquiring locks)", |
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opsGetter qoExecTimestamp, QffNormal) |
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, (FieldDefinition "opend" "OpCode_end" QFTOther |
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"List of opcode execution end timestamps", |
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opsGetter qoEndTimestamp, QffNormal) |
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, (FieldDefinition "oppriority" "OpCode_prio" QFTOther |
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"List of opcode priorities", opsGetter qoPriority, QffNormal) |
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, (FieldDefinition "summary" "Summary" QFTOther |
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"List of per-opcode summaries", |
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opsGetter (opSummary . metaOpCode . qoInput), QffNormal) |
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, (FieldDefinition "received_ts" "Received" QFTOther |
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(tsDoc "Timestamp of when job was received"), |
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jobGetter qjReceivedTimestamp, QffTimestamp) |
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, (FieldDefinition "start_ts" "Start" QFTOther |
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(tsDoc "Timestamp of job start"), |
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jobGetter qjStartTimestamp, QffTimestamp) |
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, (FieldDefinition "end_ts" "End" QFTOther |
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(tsDoc "Timestamp of job end"), |
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jobGetter qjEndTimestamp, QffTimestamp) |
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] |
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-- | The node fields map. |
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fieldsMap :: FieldMap JobId RuntimeData |
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fieldsMap = |
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Map.fromList $ map (\v@(f, _, _) -> (fdefName f, v)) jobFields |
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-- | Load the given jobs from disk. |
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loadRuntimeData :: [JobId] -> Bool -> IO [RuntimeData] |
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loadRuntimeData ids archived = do |
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qdir <- queueDir |
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mapM (loadJobFromDisk qdir archived) ids |