🎉 initial commit

devices-api/log.lua

@@ -0,0 +1,16 @@
+-- Structured JSON logging
+local cjson = require("cjson")
+
+local function log(level, msg, fields)
+    fields = fields or {}
+    fields.level = level
+    fields.msg = msg
+    fields.time = os.date("!%Y-%m-%dT%H:%M:%SZ")
+    print(cjson.encode(fields))
+end
+
+return {
+    info = function(msg, fields) log("info", msg, fields) end,
+    warn = function(msg, fields) log("warn", msg, fields) end,
+    error = function(msg, fields) log("error", msg, fields) end,
+}