System/Log Files - add "Service Log (this boot)" including parser as an option to provide access to entries collected in https://github.com/opnsense/core/issues/6099 (proposal for 23.1)

src/opnsense/mvc/app/models/OPNsense/Core/Menu/Menu.xml

@@ -95,6 +95,7 @@
             <Backend url="/ui/diagnostics/log/core/configd"/>
             <General url="/ui/diagnostics/log/core/system"/>
             <WebGUI VisibleName="Web GUI" url="/ui/diagnostics/log/core/lighttpd"/>
+            <ServiceLog VisibleName="Service Log (this boot)" url="/ui/diagnostics/log/core/boot"/>
         </LogFiles>
         <Diagnostics order="160" cssClass="fa fa-medkit fa-fw">
             <Services url="/status_services.php">

src/opnsense/scripts/syslog/logformats/syslog.py

@@ -61,6 +61,23 @@ class SysLogFormat(NewBaseLogFormat):
         return response[:tmp].strip().split()[-1] if tmp > -1 else ""
 
 
+class ServiceLogFormat(NewBaseLogFormat):
+    def __init__(self, filename):
+        super(ServiceLogFormat, self).__init__(filename)
+
+    @staticmethod
+    def match(line):
+        return len(line) > 25 and line[19] == '+' and re.match(r'\d{4}(.\d{2}){2}(\s|T)(\d{2}.){2}\d{2}', line[0:19])
+
+    @property
+    def timestamp(self):
+        return self._line[0:19]
+
+    @property
+    def line(self):
+        return self._line[26:]
+
+
 class SysLogFormatEpoch(NewBaseLogFormat):
     def __init__(self, filename):
         super(SysLogFormatEpoch, self).__init__(filename)