log4net.config

<?xml version="1.0" encoding="utf-8" ?>
<!-- Modified by SignalFx -->
<configuration>
    <configSections>
        <section name="log4net" type="log4net.Config.Log4NetConfigurationSectionHandler, log4net" />
    </configSections>
    <log4net>
        <!-- For the SerializedLayout from the log4net.Ext.Json NuGet package, you can explicitly extract the 'trace_id' and 'span_id' values using new <member> nodes (see: https://github.com/BrightOpen/log4net.Ext.Json#json-stuff) -->
        <!--
            Additions to layout:
            - <member value='trace_id' />
            - <member value='span_id' />
        -->
        <appender name="jsonFileExplicitPropertiesAppender" type="log4net.Appender.FileAppender" >
            <file value="log-log4net-jsonFile-explicitProperties.log" />
            <layout type='log4net.Layout.SerializedLayout, log4net.Ext.Json'>
                <decorator type='log4net.Layout.Decorators.StandardTypesDecorator, log4net.Ext.Json' />
                <default />
                <!--explicit default members-->
                <remove value='message' />
                <!--remove the default preformatted message member-->
                <member value='message:messageobject' />
                <!--add raw message-->
                <member value='order-number' />

                <!-- Manual changes: start -->
                <member value='trace_id' />
                <member value='span_id' />
                <member value='service.name' />
                <member value='deployment.environment' />
                <!-- Manual changes: end -->
            </layout>
        </appender>

        <!-- For the SerializedLayout from the log4net.Ext.Json NuGet package, you can also explicitly extract the 'properties' value, which will automatically emit the `trace_id` and `span_id` values (see: https://github.com/BrightOpen/log4net.Ext.Json#json-stuff) -->
        <!--
            Additions to layout:
            - <member value='properties'/>
        -->
        <appender name="jsonFileAllPropertiesAppender" type="log4net.Appender.FileAppender" >
            <file value="log-log4net-jsonFile-allProperties.log" />
            <!-- Set up SerializedLayout as defined here: https://github.com/BrightOpen/log4net.Ext.Json#json-stuff -->
            <layout type='log4net.Layout.SerializedLayout, log4net.Ext.Json'>
                <decorator type='log4net.Layout.Decorators.StandardTypesDecorator, log4net.Ext.Json' />
                <default />
                <!--explicit default members-->
                <remove value='message' />
                <!--remove the default preformatted message member-->
                <member value='message:messageobject' />
                <!--add raw message-->

                <!-- Manual changes: start -->
                <member value='properties'/>
                <!-- Manual changes: end -->
            </layout>
        </appender>



        <!-- For the default PatternLayout, you must explicitly extract the 'trace_id' and 'span_id' values using the %property{name} syntax (see: https://logging.apache.org/log4net/release/manual/contexts.html) -->
        <!--
-            Additions to layout: {traceId=&quot;%property{trace_id}&quot;,spanId=&quot;%property{span_id}&quot;, service=&quot;%property{service.name}&quot;, environment=&quot;%property{deployment.environment}}
-       -->
        <!--
            Parsing this log line with a custom Pipeline that adds Trace/Log correlation can be done with the following Processors:
            1. Grok Parser: Set the parsing rules to `log_parser %{date("yyyy-MM-dd HH:mm:ss,SSS"):date} \[%{integer:thread}\] %{word:level} %{notSpace:logger} \{%{data::keyvalue}} - %{data:message}`
            2. Trace Id Remapper: Set the trace_id attribute to 'traceId'
        -->
        <appender name="textFileAppender" type="log4net.Appender.FileAppender">
            <file value="log-log4net-textFile.log" />
            <layout type="log4net.Layout.PatternLayout">
                <conversionPattern value="%date [%thread] %level %logger {traceId=&quot;%property{trace_id}&quot;, spanId=&quot;%property{span_id}&quot;, service=&quot;%property{service.name}&quot;, environment=&quot;%property{deployment.environment}&quot;} - %message%newline" />
            </layout>
        </appender>

        <root>
            <level value="INFO" />
            <appender-ref ref="jsonFileExplicitPropertiesAppender" />
            <appender-ref ref="jsonFileAllPropertiesAppender" />
            <appender-ref ref="textFileAppender" />
        </root>
    </log4net>
</configuration>