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...umentation/herp-logger-datadog/hs-opentelemetry-instrumentation-herp-logger-datadog.cabal
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| cabal-version: 2.4 | ||
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| name: hs-opentelemetry-instrumentation-herp-logger-datadog | ||
| version: 0.0.0.0 | ||
| author: Kazuki Okamoto (岡本和樹) | ||
| maintainer: kazuki.okamoto@herp.co.jp | ||
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| common common | ||
| build-depends: base >= 4 && < 5 | ||
| ghc-options: -Wall | ||
| if impl(ghc >= 8.0) | ||
| ghc-options: -Wcompat | ||
| default-language: Haskell2010 | ||
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| library | ||
| import: common | ||
| hs-source-dirs: src | ||
| exposed-modules: OpenTelemetry.Instrumentation.Herp.Logger.Datadog | ||
| build-depends: hs-opentelemetry-api, | ||
| hs-opentelemetry-vendor-datadog, | ||
| aeson, | ||
| herp-logger, | ||
| monad-logger, | ||
| mtl, | ||
| text, | ||
| ghc-options: -Wcompat | ||
| -Wno-name-shadowing | ||
| if impl(ghc >= 6.4) | ||
| ghc-options: -Wincomplete-record-updates | ||
| if impl(ghc >= 6.8) | ||
| ghc-options: -Wmonomorphism-restriction | ||
| if impl(ghc >= 7.0) | ||
| ghc-options: -Wmissing-import-lists | ||
| if impl(ghc >= 7.2) | ||
| ghc-options: -Wincomplete-uni-patterns | ||
| -Widentities | ||
| if impl(ghc >= 8.0) | ||
| ghc-options: -Wmissing-exported-signatures | ||
| -Wredundant-constraints | ||
| if impl(ghc >= 8.2) | ||
| ghc-options: -Wmissing-home-modules | ||
| if impl(ghc >= 8.4) | ||
| ghc-options: -Wmissing-export-lists | ||
| -Wpartial-fields | ||
| if impl(ghc >= 8.8) | ||
| ghc-options: -Wmissing-deriving-strategies | ||
| if impl(ghc >= 8.10) | ||
| ghc-options: -Wunused-packages | ||
| if impl(ghc >= 9.0) | ||
| ghc-options: -Winvalid-haddock | ||
| if impl(ghc >= 9.2) | ||
| ghc-options: -Wmissing-kind-signatures | ||
| -Woperator-whitespace | ||
| -Wredundant-bang-patterns |
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instrumentation/herp-logger-datadog/src/OpenTelemetry/Instrumentation/Herp/Logger/Datadog.hs
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| {-# LANGUAGE NamedFieldPuns #-} | ||
| {-# LANGUAGE OverloadedLabels #-} | ||
| {-# LANGUAGE OverloadedLists #-} | ||
| {-# LANGUAGE OverloadedStrings #-} | ||
| {-# LANGUAGE TupleSections #-} | ||
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| {- | This is herp-logger with connections of OpenTelemetry Traces and Logs. | ||
| Datadog functionality about connections of Traces and Logs is described in | ||
| <https://docs.datadoghq.com/tracing/other_telemetry/connect_logs_and_traces/opentelemetry/ Connect OpenTelemetry Traces and Logs>. | ||
| This logger requires 'Otel.Tracer' to retrieve OpenTelemetry context additionally. | ||
| -} | ||
| module OpenTelemetry.Instrumentation.Herp.Logger.Datadog ( | ||
| (Orig..=), | ||
| Orig.Logger (..), | ||
| Orig.HasLogger (..), | ||
| Orig.LogLevel (..), | ||
| Orig.LoggerConfig (..), | ||
| Orig.newLogger, | ||
| Orig.withLogger, | ||
| Orig.defaultLoggerConfig, | ||
| logM, | ||
| logOtherM, | ||
| logDebugM, | ||
| logInfoM, | ||
| logNoticeM, | ||
| logWarnM, | ||
| logErrorM, | ||
| logCritM, | ||
| logAlertM, | ||
| logEmergM, | ||
| logIO, | ||
| Orig.urgentLog, | ||
| Orig.flush, | ||
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| -- * Payload | ||
| Orig.Payload, | ||
| Orig.level, | ||
| Orig.message, | ||
| Orig.object, | ||
| Orig.messageString, | ||
| Orig.messageShow, | ||
| Orig.messageException, | ||
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| -- * monad-logger | ||
| runLoggingT, | ||
| toLoggerIO, | ||
| ) where | ||
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| import Control.Applicative (Alternative ((<|>))) | ||
| import Control.Monad (void) | ||
| import Control.Monad.IO.Class (MonadIO) | ||
| import qualified Control.Monad.Logger as ML | ||
| import Control.Monad.Reader.Class (MonadReader (ask)) | ||
| import qualified Data.Aeson.KeyMap as Aeson | ||
| import qualified Data.Aeson.Types as Aeson | ||
| import Data.Maybe (maybeToList) | ||
| import Data.Text (Text) | ||
| import qualified Data.Text as Text | ||
| import qualified Data.Text.Encoding as Text | ||
| import Herp.Logger ((.=)) | ||
| import qualified Herp.Logger as Orig | ||
| import qualified Herp.Logger.LogLevel as Orig | ||
| import qualified Herp.Logger.Payload as Orig | ||
| import qualified OpenTelemetry.Attributes as Otel | ||
| import qualified OpenTelemetry.Context as Otel | ||
| import qualified OpenTelemetry.Context.ThreadLocal as Otel | ||
| import qualified OpenTelemetry.Resource as Otel | ||
| import qualified OpenTelemetry.Trace.Core as Otel | ||
| import qualified OpenTelemetry.Vendor.Datadog as Datadog | ||
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| logIO :: MonadIO m => Otel.Tracer -> Orig.Logger -> Orig.Payload -> m () | ||
| logIO tracer logger payload = do | ||
| context <- Otel.getContext | ||
| payload' <- datadogPayload (Otel.getTracerTracerProvider tracer) $ Otel.lookupSpan context | ||
| Orig.logIO logger (payload' <> payload) | ||
| {-# INLINE logIO #-} | ||
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| logM :: (MonadIO m, MonadReader r m, Orig.HasLogger r, Otel.HasTracer r) => Orig.Payload -> m () | ||
| logM payload = do | ||
| r <- ask | ||
| void $ flip Otel.tracerL r $ \tracer -> do | ||
| logIO tracer (Orig.toLogger r) payload | ||
| pure tracer | ||
| {-# INLINE logM #-} | ||
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| logOtherM :: (MonadIO m, MonadReader r m, Orig.HasLogger r, Otel.HasTracer r) => Orig.LogLevel -> Orig.Payload -> m () | ||
| logOtherM logLevel payload = logM $ Orig.level logLevel <> payload | ||
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| logDebugM :: (MonadIO m, MonadReader r m, Orig.HasLogger r, Otel.HasTracer r) => Orig.Payload -> m () | ||
| logDebugM = logOtherM Orig.Debug | ||
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| logInfoM :: (MonadIO m, MonadReader r m, Orig.HasLogger r, Otel.HasTracer r) => Orig.Payload -> m () | ||
| logInfoM = logOtherM Orig.Informational | ||
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| logNoticeM :: (MonadIO m, MonadReader r m, Orig.HasLogger r, Otel.HasTracer r) => Orig.Payload -> m () | ||
| logNoticeM = logOtherM Orig.Notice | ||
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| logWarnM :: (MonadIO m, MonadReader r m, Orig.HasLogger r, Otel.HasTracer r) => Orig.Payload -> m () | ||
| logWarnM = logOtherM Orig.Warning | ||
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| logErrorM :: (MonadIO m, MonadReader r m, Orig.HasLogger r, Otel.HasTracer r) => Orig.Payload -> m () | ||
| logErrorM = logOtherM Orig.Error | ||
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| logCritM :: (MonadIO m, MonadReader r m, Orig.HasLogger r, Otel.HasTracer r) => Orig.Payload -> m () | ||
| logCritM = logOtherM Orig.Critical | ||
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| logAlertM :: (MonadIO m, MonadReader r m, Orig.HasLogger r, Otel.HasTracer r) => Orig.Payload -> m () | ||
| logAlertM = logOtherM Orig.Alert | ||
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| logEmergM :: (MonadIO m, MonadReader r m, Orig.HasLogger r, Otel.HasTracer r) => Orig.Payload -> m () | ||
| logEmergM = logOtherM Orig.Emergency | ||
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| runLoggingT :: Otel.Tracer -> Orig.Logger -> ML.LoggingT m a -> m a | ||
| runLoggingT tracer logger (ML.LoggingT run) = run $ toLoggerIO tracer logger | ||
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| toLoggerIO :: Otel.Tracer -> Orig.Logger -> ML.Loc -> ML.LogSource -> ML.LogLevel -> ML.LogStr -> IO () | ||
| toLoggerIO tracer logger loc logSrc lv logStr = do | ||
| let msg = Text.decodeUtf8 $ ML.fromLogStr $ ML.defaultLogStr loc logSrc lv logStr | ||
| logIO | ||
| tracer | ||
| logger | ||
| [ Orig.message msg | ||
| , case Orig.convertLogLevel lv of | ||
| Right x -> Orig.level x | ||
| Left other -> [#warn, "level" .= other] | ||
| ] | ||
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| datadogPayload :: MonadIO m => Otel.TracerProvider -> Maybe Otel.Span -> m Orig.Payload | ||
| datadogPayload tracerProvider maybeSpan = do | ||
| (maybeSpanId, maybeTraceId) <- | ||
| case maybeSpan of | ||
| Nothing -> pure (Nothing, Nothing) | ||
| Just span -> do | ||
| Otel.SpanContext {Otel.spanId, Otel.traceId} <- Otel.getSpanContext span | ||
| pure | ||
| ( Just $ Text.pack $ show $ Datadog.convertOpenTelemetrySpanIdToDatadogSpanId spanId | ||
| , Just $ Text.pack $ show $ Datadog.convertOpenTelemetryTraceIdToDatadogTraceId traceId | ||
| ) | ||
| let | ||
| attributes = Otel.getMaterializedResourcesAttributes $ Otel.getTracerProviderResources tracerProvider | ||
| maybeEnv = attributeAsText =<< Otel.lookupAttribute attributes Datadog.envKey | ||
| maybeService = | ||
| attributeAsText | ||
| =<< ( Otel.lookupAttribute attributes Datadog.serviceKey | ||
| <|> | ||
| -- "service.name" is the same key in the OpenTelemetry.Resource.Service module | ||
| Otel.lookupAttribute attributes "service.name" | ||
| ) | ||
| maybeVersion = attributeAsText =<< Otel.lookupAttribute attributes Datadog.versionKey | ||
| pure $ | ||
| (\payloadObject -> mempty {Orig.payloadObject}) $ | ||
| Aeson.fromList $ | ||
| mconcat $ | ||
| maybeToList | ||
| <$> [ ("span_id",) . Aeson.String <$> maybeSpanId | ||
| , ("trace_id",) . Aeson.String <$> maybeTraceId | ||
| , ("dd.env",) . Aeson.String <$> maybeEnv | ||
| , ("dd.service",) . Aeson.String <$> maybeService | ||
| , ("dd.version",) . Aeson.String <$> maybeVersion | ||
| ] | ||
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| attributeAsText :: Otel.Attribute -> Maybe Text | ||
| attributeAsText (Otel.AttributeValue (Otel.TextAttribute a)) = Just a | ||
| attributeAsText _ = Nothing |
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