misc/mtail: Start of an mtail config
Stashing it here in case anyone wants to continue working on it.
Currently it's only counting log messages by level.
Due to the permissions set by systemd on Prosody logs, mtail never
managed to start correctly until permissions were manually relaxed.
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/misc/mtail/prosody.mtail Sun Sep 17 13:36:30 2023 +0200
@@ -0,0 +1,13 @@
+counter prosody_log_messages by level
+
+/^(?P<date>(?P<legacy_date>\w+\s+\d+\s+\d+:\d+:\d+)|(?P<rfc3339_date>\d{4}-\d{2}-\d{2}T\d{2}:\d{2}:\d{2}.\d+[+-]\d{2}:\d{2})) (?P<sink>\S+)\s(?P<loglevel>\w+)\s(?P<message>.*)/ {
+ len($legacy_date) > 0 {
+ strptime($2, "Jan _2 15:04:05")
+ }
+ len($rfc3339_date) > 0 {
+ strptime($rfc3339_date, "2006-01-02T03:04:05-0700")
+ }
+ $loglevel != "" {
+ prosody_log_messages[$loglevel]++
+ }
+}