1 files changed, 15 insertions, 0 deletions
diff --git a/hsm-log/Hsm/Log.hs b/hsm-log/Hsm/Log.hs
new file mode 100644
index 0000000..0f388be
--- /dev/null
+++ b/hsm-log/Hsm/Log.hs
@@ -0,0 +1,15 @@
+{-# LANGUAGE OverloadedStrings #-}
+
+module Hsm.Log
+  ( logMsg
+  ) where
+
+import Data.Text qualified as T
+import Data.Text.IO qualified as T
+import Data.Time.Clock (getCurrentTime)
+import Data.Time.ISO8601 (formatISO8601Millis)
+
+logMsg :: [T.Text] -> T.Text -> IO ()
+logMsg domain msg = do
+  time <- T.pack . formatISO8601Millis <$> getCurrentTime
+  T.putStrLn $ T.unwords [time, "[" <> T.intercalate "/" domain <> "]", msg]