mirror of
https://github.com/hasura/graphql-engine.git
synced 2024-12-17 12:31:52 +03:00
404 lines
15 KiB
Haskell
404 lines
15 KiB
Haskell
-- | Types and classes related to configuration when the server is initialised
|
|
module Hasura.Server.Init.Config where
|
|
|
|
import qualified Data.Aeson as J
|
|
import qualified Data.Aeson.Casing as J
|
|
import qualified Data.Aeson.TH as J
|
|
import qualified Data.HashSet as Set
|
|
import qualified Data.String as DataString
|
|
import qualified Data.Text as T
|
|
import qualified Database.PG.Query as Q
|
|
import qualified Network.WebSockets as WS
|
|
|
|
|
|
import Data.Aeson
|
|
import Data.Char (toLower)
|
|
import Data.Time
|
|
import Data.URL.Template
|
|
import Network.Wai.Handler.Warp (HostPreference)
|
|
|
|
import qualified Hasura.Cache.Bounded as Cache
|
|
import qualified Hasura.GraphQL.Execute.LiveQuery.Options as LQ
|
|
import qualified Hasura.GraphQL.Execute.Plan as E
|
|
import qualified Hasura.Logging as L
|
|
import qualified System.Metrics as EKG
|
|
import qualified System.Metrics.Distribution as EKG.Distribution
|
|
import qualified System.Metrics.Gauge as EKG.Gauge
|
|
|
|
import Hasura.Prelude
|
|
import Hasura.RQL.Types
|
|
import Hasura.Server.Auth
|
|
import Hasura.Server.Cors
|
|
import Hasura.Server.Types
|
|
import Hasura.Server.Utils
|
|
import Hasura.Session
|
|
|
|
data RawConnParams
|
|
= RawConnParams
|
|
{ rcpStripes :: !(Maybe Int)
|
|
, rcpConns :: !(Maybe Int)
|
|
, rcpIdleTime :: !(Maybe Int)
|
|
, rcpConnLifetime :: !(Maybe NominalDiffTime)
|
|
-- ^ Time from connection creation after which to destroy a connection and
|
|
-- choose a different/new one.
|
|
, rcpAllowPrepare :: !(Maybe Bool)
|
|
, rcpPoolTimeout :: !(Maybe NominalDiffTime)
|
|
-- ^ See @HASURA_GRAPHQL_PG_POOL_TIMEOUT@
|
|
} deriving (Show, Eq)
|
|
|
|
type RawAuthHook = AuthHookG (Maybe Text) (Maybe AuthHookType)
|
|
|
|
-- | Sleep time interval for recurring activities such as (@'asyncActionsProcessor')
|
|
-- Presently @'msToOptionalInterval' interprets `0` as Skip.
|
|
data OptionalInterval
|
|
= Skip -- ^ No polling
|
|
| Interval !Milliseconds -- ^ Interval time
|
|
deriving (Show, Eq)
|
|
|
|
msToOptionalInterval :: Milliseconds -> OptionalInterval
|
|
msToOptionalInterval = \case
|
|
0 -> Skip
|
|
s -> Interval s
|
|
|
|
instance FromJSON OptionalInterval where
|
|
parseJSON v = msToOptionalInterval <$> parseJSON v
|
|
|
|
instance ToJSON OptionalInterval where
|
|
toJSON = \case
|
|
Skip -> toJSON @Milliseconds 0
|
|
Interval s -> toJSON s
|
|
|
|
data RawServeOptions impl
|
|
= RawServeOptions
|
|
{ rsoPort :: !(Maybe Int)
|
|
, rsoHost :: !(Maybe HostPreference)
|
|
, rsoConnParams :: !RawConnParams
|
|
, rsoTxIso :: !(Maybe Q.TxIsolation)
|
|
, rsoAdminSecret :: !(Maybe AdminSecretHash)
|
|
, rsoAuthHook :: !RawAuthHook
|
|
, rsoJwtSecret :: !(Maybe JWTConfig)
|
|
, rsoUnAuthRole :: !(Maybe RoleName)
|
|
, rsoCorsConfig :: !(Maybe CorsConfig)
|
|
, rsoEnableConsole :: !Bool
|
|
, rsoConsoleAssetsDir :: !(Maybe Text)
|
|
, rsoEnableTelemetry :: !(Maybe Bool)
|
|
, rsoWsReadCookie :: !Bool
|
|
, rsoStringifyNum :: !Bool
|
|
, rsoDangerousBooleanCollapse :: !(Maybe Bool)
|
|
, rsoEnabledAPIs :: !(Maybe [API])
|
|
, rsoMxRefetchInt :: !(Maybe LQ.RefetchInterval)
|
|
, rsoMxBatchSize :: !(Maybe LQ.BatchSize)
|
|
, rsoEnableAllowlist :: !Bool
|
|
, rsoEnabledLogTypes :: !(Maybe [L.EngineLogType impl])
|
|
, rsoLogLevel :: !(Maybe L.LogLevel)
|
|
, rsoPlanCacheSize :: !(Maybe Cache.CacheSize)
|
|
, rsoDevMode :: !Bool
|
|
, rsoAdminInternalErrors :: !(Maybe Bool)
|
|
, rsoEventsHttpPoolSize :: !(Maybe Int)
|
|
, rsoEventsFetchInterval :: !(Maybe Milliseconds)
|
|
, rsoAsyncActionsFetchInterval :: !(Maybe Milliseconds)
|
|
, rsoLogHeadersFromEnv :: !Bool
|
|
, rsoEnableRemoteSchemaPermissions :: !Bool
|
|
, rsoWebSocketCompression :: !Bool
|
|
, rsoWebSocketKeepAlive :: !(Maybe Int)
|
|
, rsoInferFunctionPermissions :: !(Maybe Bool)
|
|
, rsoEnableMaintenanceMode :: !Bool
|
|
, rsoSchemaPollInterval :: !(Maybe Milliseconds)
|
|
, rsoExperimentalFeatures :: !(Maybe [ExperimentalFeature])
|
|
, rsoEventsFetchBatchSize :: !(Maybe NonNegativeInt)
|
|
}
|
|
|
|
-- | @'ResponseInternalErrorsConfig' represents the encoding of the internal
|
|
-- errors in the response to the client.
|
|
-- See the github comment https://github.com/hasura/graphql-engine/issues/4031#issuecomment-609747705 for more details.
|
|
data ResponseInternalErrorsConfig
|
|
= InternalErrorsAllRequests
|
|
| InternalErrorsAdminOnly
|
|
| InternalErrorsDisabled
|
|
deriving (Show, Eq)
|
|
|
|
shouldIncludeInternal :: RoleName -> ResponseInternalErrorsConfig -> Bool
|
|
shouldIncludeInternal role = \case
|
|
InternalErrorsAllRequests -> True
|
|
InternalErrorsAdminOnly -> role == adminRoleName
|
|
InternalErrorsDisabled -> False
|
|
|
|
newtype KeepAliveDelay
|
|
= KeepAliveDelay
|
|
{ unKeepAliveDelay :: Seconds
|
|
} deriving (Eq, Show)
|
|
|
|
data ServeOptions impl
|
|
= ServeOptions
|
|
{ soPort :: !Int
|
|
, soHost :: !HostPreference
|
|
, soConnParams :: !Q.ConnParams
|
|
, soTxIso :: !Q.TxIsolation
|
|
, soAdminSecret :: !(Maybe AdminSecretHash)
|
|
, soAuthHook :: !(Maybe AuthHook)
|
|
, soJwtSecret :: !(Maybe JWTConfig)
|
|
, soUnAuthRole :: !(Maybe RoleName)
|
|
, soCorsConfig :: !CorsConfig
|
|
, soEnableConsole :: !Bool
|
|
, soConsoleAssetsDir :: !(Maybe Text)
|
|
, soEnableTelemetry :: !Bool
|
|
, soStringifyNum :: !Bool
|
|
, soDangerousBooleanCollapse :: !Bool
|
|
, soEnabledAPIs :: !(Set.HashSet API)
|
|
, soLiveQueryOpts :: !LQ.LiveQueriesOptions
|
|
, soEnableAllowlist :: !Bool
|
|
, soEnabledLogTypes :: !(Set.HashSet (L.EngineLogType impl))
|
|
, soLogLevel :: !L.LogLevel
|
|
, soPlanCacheOptions :: !E.PlanCacheOptions
|
|
, soResponseInternalErrorsConfig :: !ResponseInternalErrorsConfig
|
|
, soEventsHttpPoolSize :: !(Maybe Int)
|
|
, soEventsFetchInterval :: !(Maybe Milliseconds)
|
|
, soAsyncActionsFetchInterval :: !OptionalInterval
|
|
, soLogHeadersFromEnv :: !Bool
|
|
, soEnableRemoteSchemaPermissions :: !RemoteSchemaPermsCtx
|
|
, soConnectionOptions :: !WS.ConnectionOptions
|
|
, soWebsocketKeepAlive :: !KeepAliveDelay
|
|
, soInferFunctionPermissions :: !FunctionPermissionsCtx
|
|
, soEnableMaintenanceMode :: !MaintenanceMode
|
|
, soSchemaPollInterval :: !OptionalInterval
|
|
, soExperimentalFeatures :: !(Set.HashSet ExperimentalFeature)
|
|
, soEventsFetchBatchSize :: !NonNegativeInt
|
|
}
|
|
|
|
data DowngradeOptions
|
|
= DowngradeOptions
|
|
{ dgoTargetVersion :: !Text
|
|
, dgoDryRun :: !Bool
|
|
} deriving (Show, Eq)
|
|
|
|
data PostgresConnInfo a
|
|
= PostgresConnInfo
|
|
{ _pciDatabaseConn :: !a
|
|
, _pciRetries :: !(Maybe Int)
|
|
} deriving (Show, Eq, Functor, Foldable, Traversable)
|
|
|
|
data PostgresRawConnDetails =
|
|
PostgresRawConnDetails
|
|
{ connHost :: !String
|
|
, connPort :: !Int
|
|
, connUser :: !String
|
|
, connPassword :: !String
|
|
, connDatabase :: !String
|
|
, connOptions :: !(Maybe String)
|
|
} deriving (Eq, Read, Show)
|
|
|
|
data PostgresRawConnInfo
|
|
= PGConnDatabaseUrl !URLTemplate
|
|
| PGConnDetails !PostgresRawConnDetails
|
|
deriving (Show, Eq)
|
|
|
|
rawConnDetailsToUrl :: PostgresRawConnDetails -> URLTemplate
|
|
rawConnDetailsToUrl =
|
|
mkPlainURLTemplate . rawConnDetailsToUrlText
|
|
|
|
rawConnDetailsToUrlText :: PostgresRawConnDetails -> Text
|
|
rawConnDetailsToUrlText PostgresRawConnDetails{..} =
|
|
T.pack $
|
|
"postgresql://" <> connUser <>
|
|
":" <> connPassword <>
|
|
"@" <> connHost <>
|
|
":" <> show connPort <>
|
|
"/" <> connDatabase <>
|
|
maybe "" ("?options=" <>) connOptions
|
|
|
|
data HGECommandG a
|
|
= HCServe !a
|
|
| HCExport
|
|
| HCClean
|
|
| HCExecute
|
|
| HCVersion
|
|
| HCDowngrade !DowngradeOptions
|
|
deriving (Show, Eq)
|
|
|
|
data API
|
|
= METADATA
|
|
| GRAPHQL
|
|
| PGDUMP
|
|
| DEVELOPER
|
|
| CONFIG
|
|
deriving (Show, Eq, Read, Generic)
|
|
|
|
$(J.deriveJSON (J.defaultOptions { J.constructorTagModifier = map toLower })
|
|
''API)
|
|
|
|
instance Hashable API
|
|
|
|
$(J.deriveJSON (J.aesonPrefix J.camelCase){J.omitNothingFields=True} ''PostgresRawConnDetails)
|
|
|
|
type HGECommand impl = HGECommandG (ServeOptions impl)
|
|
type RawHGECommand impl = HGECommandG (RawServeOptions impl)
|
|
|
|
data HGEOptionsG a b
|
|
= HGEOptionsG
|
|
{ hoDatabaseUrl :: !(PostgresConnInfo a)
|
|
, hoMetadataDbUrl :: !(Maybe String)
|
|
, hoCommand :: !(HGECommandG b)
|
|
} deriving (Show, Eq)
|
|
|
|
type RawHGEOptions impl = HGEOptionsG (Maybe PostgresRawConnInfo) (RawServeOptions impl)
|
|
type HGEOptions impl = HGEOptionsG (Maybe UrlConf) (ServeOptions impl)
|
|
|
|
type Env = [(String, String)]
|
|
|
|
readHookType :: String -> Either String AuthHookType
|
|
readHookType tyS =
|
|
case tyS of
|
|
"GET" -> Right AHTGet
|
|
"POST" -> Right AHTPost
|
|
_ -> Left "Only expecting GET / POST"
|
|
|
|
parseStrAsBool :: String -> Either String Bool
|
|
parseStrAsBool t
|
|
| map toLower t `elem` truthVals = Right True
|
|
| map toLower t `elem` falseVals = Right False
|
|
| otherwise = Left errMsg
|
|
where
|
|
truthVals = ["true", "t", "yes", "y"]
|
|
falseVals = ["false", "f", "no", "n"]
|
|
|
|
errMsg = " Not a valid boolean text. " ++ "True values are "
|
|
++ show truthVals ++ " and False values are " ++ show falseVals
|
|
++ ". All values are case insensitive"
|
|
|
|
readNonNegativeInt :: String -> Either String NonNegativeInt
|
|
readNonNegativeInt s =
|
|
onNothing (mkNonNegativeInt =<< readMaybe s) $ Left "Only expecting a non negative integer"
|
|
|
|
readAPIs :: String -> Either String [API]
|
|
readAPIs = mapM readAPI . T.splitOn "," . T.pack
|
|
where readAPI si = case T.toUpper $ T.strip si of
|
|
"METADATA" -> Right METADATA
|
|
"GRAPHQL" -> Right GRAPHQL
|
|
"PGDUMP" -> Right PGDUMP
|
|
"DEVELOPER" -> Right DEVELOPER
|
|
"CONFIG" -> Right CONFIG
|
|
_ -> Left "Only expecting list of comma separated API types metadata,graphql,pgdump,developer,config"
|
|
|
|
readExperimentalFeatures :: String -> Either String [ExperimentalFeature]
|
|
readExperimentalFeatures = mapM readAPI . T.splitOn "," . T.pack
|
|
where readAPI si = case T.toLower $ T.strip si of
|
|
"inherited_roles" -> Right EFInheritedRoles
|
|
_ -> Left "Only expecting list of comma separated experimental features"
|
|
|
|
readLogLevel :: String -> Either String L.LogLevel
|
|
readLogLevel s = case T.toLower $ T.strip $ T.pack s of
|
|
"debug" -> Right L.LevelDebug
|
|
"info" -> Right L.LevelInfo
|
|
"warn" -> Right L.LevelWarn
|
|
"error" -> Right L.LevelError
|
|
_ -> Left "Valid log levels: debug, info, warn or error"
|
|
|
|
readJson :: (J.FromJSON a) => String -> Either String a
|
|
readJson = J.eitherDecodeStrict . txtToBs . T.pack
|
|
|
|
class FromEnv a where
|
|
fromEnv :: String -> Either String a
|
|
|
|
-- Deserialize from seconds, in the usual way
|
|
instance FromEnv NominalDiffTime where
|
|
fromEnv s = maybe (Left "could not parse as a Double") (Right . realToFrac) $
|
|
(readMaybe s :: Maybe Double)
|
|
|
|
instance FromEnv String where
|
|
fromEnv = Right
|
|
|
|
instance FromEnv HostPreference where
|
|
fromEnv = Right . DataString.fromString
|
|
|
|
instance FromEnv Text where
|
|
fromEnv = Right . T.pack
|
|
|
|
instance FromEnv AuthHookType where
|
|
fromEnv = readHookType
|
|
|
|
instance FromEnv Int where
|
|
fromEnv = maybe (Left "Expecting Int value") Right . readMaybe
|
|
|
|
instance FromEnv AdminSecretHash where
|
|
fromEnv = Right . hashAdminSecret . T.pack
|
|
|
|
instance FromEnv RoleName where
|
|
fromEnv string = case mkRoleName (T.pack string) of
|
|
Nothing -> Left "empty string not allowed"
|
|
Just roleName -> Right roleName
|
|
|
|
instance FromEnv Bool where
|
|
fromEnv = parseStrAsBool
|
|
|
|
instance FromEnv Q.TxIsolation where
|
|
fromEnv = readIsoLevel
|
|
|
|
instance FromEnv CorsConfig where
|
|
fromEnv = readCorsDomains
|
|
|
|
instance FromEnv [API] where
|
|
fromEnv = readAPIs
|
|
|
|
instance FromEnv [ExperimentalFeature] where
|
|
fromEnv = readExperimentalFeatures
|
|
|
|
instance FromEnv LQ.BatchSize where
|
|
fromEnv s = do
|
|
val <- readEither s
|
|
maybe (Left "batch size should be a non negative integer") Right $ LQ.mkBatchSize val
|
|
|
|
instance FromEnv LQ.RefetchInterval where
|
|
fromEnv x = do
|
|
val <- fmap (milliseconds . fromInteger) . readEither $ x
|
|
maybe (Left "refetch interval should be a non negative integer") Right $ LQ.mkRefetchInterval val
|
|
|
|
instance FromEnv Milliseconds where
|
|
fromEnv = fmap fromInteger . readEither
|
|
|
|
instance FromEnv JWTConfig where
|
|
fromEnv = readJson
|
|
|
|
instance L.EnabledLogTypes impl => FromEnv [L.EngineLogType impl] where
|
|
fromEnv = L.parseEnabledLogTypes
|
|
|
|
instance FromEnv L.LogLevel where
|
|
fromEnv = readLogLevel
|
|
|
|
instance FromEnv Cache.CacheSize where
|
|
fromEnv = Cache.parseCacheSize
|
|
|
|
instance FromEnv URLTemplate where
|
|
fromEnv = parseURLTemplate . T.pack
|
|
|
|
instance FromEnv NonNegativeInt where
|
|
fromEnv = readNonNegativeInt
|
|
|
|
type WithEnv a = ReaderT Env (ExceptT String Identity) a
|
|
|
|
runWithEnv :: Env -> WithEnv a -> Either String a
|
|
runWithEnv env m = runIdentity $ runExceptT $ runReaderT m env
|
|
|
|
-- | Collection of various server metrics
|
|
data ServerMetrics
|
|
= ServerMetrics
|
|
{ smWarpThreads :: !EKG.Gauge.Gauge
|
|
-- ^ Current Number of active Warp threads
|
|
, smWebsocketConnections :: !EKG.Gauge.Gauge
|
|
-- ^ Current number of active websocket connections
|
|
, smNumEventsFetched :: !EKG.Distribution.Distribution
|
|
-- ^ Total Number of events fetched from last 'Event Trigger Fetch'
|
|
, smNumEventHTTPWorkers :: !EKG.Gauge.Gauge
|
|
-- ^ Current number of Event trigger's HTTP workers in process
|
|
, smEventLockTime :: !EKG.Distribution.Distribution
|
|
-- ^ Time between the 'Event Trigger Fetch' from DB and the processing of the event
|
|
}
|
|
|
|
createServerMetrics :: EKG.Store -> IO ServerMetrics
|
|
createServerMetrics store = do
|
|
smWarpThreads <- EKG.createGauge "warp_threads" store
|
|
smWebsocketConnections <- EKG.createGauge "websocket_connections" store
|
|
smNumEventsFetched <- EKG.createDistribution "num_events_fetched" store
|
|
smNumEventHTTPWorkers <- EKG.createGauge "num_event_trigger_http_workers" store
|
|
smEventLockTime <- EKG.createDistribution "event_lock_time" store
|
|
pure ServerMetrics { .. }
|