mirror of
https://github.com/hasura/graphql-engine.git
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ec8b2c80b5
* remove phase one/two distinction and hdbquery typeclass * move extensions to default-extensions * switch to LazyTx which only acquires a connection if needed * move defns from TH module into Ops module * remove tojson orphan instance for http exception * remove orphan instance for dmlp1 * getTopLevelNodes will not throw any exceptions
68 lines
2.1 KiB
Haskell
68 lines
2.1 KiB
Haskell
module Hasura.Server.CheckUpdates
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( checkForUpdates
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) where
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import Control.Exception (try)
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import Control.Lens
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import Control.Monad (forever)
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import System.Environment (lookupEnv)
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import qualified Control.Concurrent as C
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import qualified Data.Aeson as A
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import qualified Data.Aeson.Casing as A
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import qualified Data.Aeson.TH as A
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import qualified Data.Text as T
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import qualified Network.HTTP.Client as H
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import qualified Network.Wreq as Wreq
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import qualified System.Log.FastLogger as FL
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import Hasura.HTTP
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import Hasura.Logging (LoggerCtx (..))
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import Hasura.Prelude
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import Hasura.Server.Version (currentVersion)
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newtype UpdateInfo
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= UpdateInfo
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{ _uiLatest :: T.Text
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} deriving (Show, Eq)
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$(A.deriveJSON (A.aesonDrop 2 A.snakeCase) ''UpdateInfo)
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checkForUpdates :: LoggerCtx -> H.Manager -> IO ()
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checkForUpdates (LoggerCtx loggerSet _ _) manager = do
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let options = wreqOptions manager []
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url <- getUrl
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forever $ do
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resp <- try $ Wreq.getWith options $ T.unpack url
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case resp of
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Left ex -> ignoreHttpErr ex
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Right bs -> do
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UpdateInfo latestVersion <- decodeResp $ bs ^. Wreq.responseBody
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when (latestVersion /= currentVersion) $
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FL.pushLogStrLn loggerSet $ FL.toLogStr $ updateMsg latestVersion
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C.threadDelay aDay
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where
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updateMsg v = "Update: A new version is available: " <> v
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getUrl = do
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let buildUrl a = "https://releases.hasura.io/graphql-engine?agent="
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<> a
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<> "&version="
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<> currentVersion
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isCI <- lookupEnv "CI"
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case isCI of
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Just "true" -> return $ buildUrl "server-ci"
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_ -> return $ buildUrl "server"
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aDay = 86400 * 1000 * 1000
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-- ignoring if there is any error in response and returning the current version
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decodeResp bs = case A.eitherDecode bs of
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Left _ -> return $ UpdateInfo currentVersion
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Right a -> return a
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ignoreHttpErr :: H.HttpException -> IO ()
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ignoreHttpErr _ = return ()
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