Send keys as strings

and move more attributes to the formatter

Author: reidmorrison

lib/semantic_logger/appender/open_telemetry.rb

@@ -43,15 +43,18 @@ def initialize(name: "SemanticLogger",
       def log(log)
         # return log_metric(log) if metrics && log.metric_only?
 
-        ap formatter.call(log, self)
-        ap log.payload
+        body        = formatter.call(log, self)
+        level       = body.delete(:level)
+        level_index = body.delete(:level_index)
+        time        = body.delete(:time)
+        payload     = body.delete(:payload)
 
         @logger.on_emit(
-          severity_text:   log.level.to_s,
-          severity_number: severity_number(log.level),
-          timestamp:       log.time,
-          body:            formatter.call(log, self),
-          attributes:      log.payload,
+          severity_text:   level,
+          severity_number: level_index,
+          timestamp:       time,
+          body:            body.transform_keys!(&:to_s),
+          attributes:      payload,
           context:         log.context[:open_telemetry] || ::OpenTelemetry::Context.current
         )
         true
@@ -76,25 +79,6 @@ def close
       #   ap log.payload
       #   true
       # end
-
-      def severity_number(severity)
-        case severity.downcase
-        when :trace
-          ::OpenTelemetry::Logs::SeverityNumber::SEVERITY_NUMBER_TRACE
-        when :debug
-          ::OpenTelemetry::Logs::SeverityNumber::SEVERITY_NUMBER_DEBUG
-        when :info
-          ::OpenTelemetry::Logs::SeverityNumber::SEVERITY_NUMBER_INFO
-        when :warn
-          ::OpenTelemetry::Logs::SeverityNumber::SEVERITY_NUMBER_WARN
-        when :error
-          ::OpenTelemetry::Logs::SeverityNumber::SEVERITY_NUMBER_ERROR
-        when :fatal
-          ::OpenTelemetry::Logs::SeverityNumber::SEVERITY_NUMBER_FATAL
-        else
-          ::OpenTelemetry::Logs::SeverityNumber::SEVERITY_NUMBER_UNSPECIFIED
-        end
-      end
     end
   end
 end

lib/semantic_logger/formatters/open_telemetry.rb

@@ -2,16 +2,38 @@
 module SemanticLogger
   module Formatters
     class OpenTelemetry < Raw
-      # Remove the following fields since they are sent via the OpenTelemetry API
-      def time
-      end
-
       # Log level
       def level
+        hash[:level]       = log.level.to_s
+        hash[:level_index] = severity_number(log.level_index)
       end
 
       # Payload is submitted directly as attributes
       def payload
+        return unless log.payload.respond_to?(:empty?) && !log.payload.empty?
+
+        hash[:payload] = log.payload.transform_keys!(&:to_s)
+      end
+
+      private
+
+      def severity_number(severity)
+        case severity
+        when :trace
+          ::OpenTelemetry::Logs::SeverityNumber::SEVERITY_NUMBER_TRACE
+        when :debug
+          ::OpenTelemetry::Logs::SeverityNumber::SEVERITY_NUMBER_DEBUG
+        when :info
+          ::OpenTelemetry::Logs::SeverityNumber::SEVERITY_NUMBER_INFO
+        when :warn
+          ::OpenTelemetry::Logs::SeverityNumber::SEVERITY_NUMBER_WARN
+        when :error
+          ::OpenTelemetry::Logs::SeverityNumber::SEVERITY_NUMBER_ERROR
+        when :fatal
+          ::OpenTelemetry::Logs::SeverityNumber::SEVERITY_NUMBER_FATAL
+        else
+          ::OpenTelemetry::Logs::SeverityNumber::SEVERITY_NUMBER_UNSPECIFIED
+        end
       end
     end
   end