content: --
  -- Copyright (C) 2022 Wire Swiss GmbH <opensource@wire.com>
  --
  -- This program is free software: you can redistribute it and/or modify it under
  -- the terms of the GNU Affero General Public License as published by the Free
  -- Software Foundation, either version 3 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 Affero General Public License for more
  -- details.
  --
  -- You should have received a copy of the GNU Affero General Public License along
  -- with this program. If not, see <https://www.gnu.org/licenses/>.
  
  module Data.Metrics.AWS (gaugeTokenRemaing) where
  
  import Data.Time
  import Imports
  import Prometheus qualified as Prom
  
  gaugeTokenRemaing :: Maybe NominalDiffTime -> IO ()
  gaugeTokenRemaing mbRemaining = do
    let t = toSeconds (fromMaybe 0 mbRemaining)
    Prom.setGauge awsAuthTokenSecsRemaining t
    where
      toSeconds :: NominalDiffTime -> Double
      toSeconds = fromRational . toRational
  
  {-# NOINLINE awsAuthTokenSecsRemaining #-}
  awsAuthTokenSecsRemaining :: Prom.Gauge
  awsAuthTokenSecsRemaining =
    Prom.unsafeRegister $
      Prom.gauge
        Prom.Info
          { Prom.metricName = "aws_auth_token_secs_remaining",
            Prom.metricHelp = "Number of seconds left before AWS Auth expires"
          }
  