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diff --git a/doc/log-forward.md b/doc/log-forward.md new file mode 100644 index 0000000..44409dc --- /dev/null +++ b/doc/log-forward.md @@ -0,0 +1,95 @@ +Forward log messages via notification +===================================== + +[![GitHub stars](https://img.shields.io/github/stars/eworm-de/routeros-scripts?logo=GitHub&style=flat&color=red)](https://github.com/eworm-de/routeros-scripts/stargazers) +[![GitHub forks](https://img.shields.io/github/forks/eworm-de/routeros-scripts?logo=GitHub&style=flat&color=green)](https://github.com/eworm-de/routeros-scripts/network) +[![GitHub watchers](https://img.shields.io/github/watchers/eworm-de/routeros-scripts?logo=GitHub&style=flat&color=blue)](https://github.com/eworm-de/routeros-scripts/watchers) +[![required RouterOS version](https://img.shields.io/badge/RouterOS-7.13-yellow?style=flat)](https://mikrotik.com/download/changelogs/) +[![Telegram group @routeros_scripts](https://img.shields.io/badge/Telegram-%40routeros__scripts-%2326A5E4?logo=telegram&style=flat)](https://t.me/routeros_scripts) +[![donate with PayPal](https://img.shields.io/badge/Like_it%3F-Donate!-orange?logo=githubsponsors&logoColor=orange&style=flat)](https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&hosted_button_id=A4ZXBD6YS2W8J) + +[⬅️ Go back to main README](../README.md) + +> ℹ️ **Info**: This script can not be used on its own but requires the base +> installation. See [main README](../README.md) for details. + +Description +----------- + +RouterOS itself supports sending log messages via e-mail or to a syslog +server (see `/system/logging`). This has some limitation, however: + +* does not work early after boot if network connectivity is not + yet established, or breaks intermittently +* lots of messages generate a flood of mails +* Matrix and Telegram are not supported + +The script works around the limitations, for example it does: + +* read from `/log`, including messages from early boot +* skip multi-repeated messages +* rate-limit itself to mitigate flooding +* forward via notification (which includes *e-mail*, *Matrix* and *Telegram* + when installed and configured, see below) + +It is intended to be run periodically from scheduler, then collects new +log messages and forwards them via notification. + +### Sample notification + +![log-forward notification](log-forward.d/notification.avif) + +Requirements and installation +----------------------------- + +Just install the script: + + $ScriptInstallUpdate log-forward; + +... and add a scheduler: + + /system/scheduler/add interval=1m name=log-forward on-event="/system/script/run log-forward;" start-time=startup; + +Configuration +------------- + +The configuration goes to `global-config-overlay`, these are the parameters: + +* `LogForwardFilter`: define topics *not* to be forwarded +* `LogForwardFilterMessage`: define message text *not* to be forwarded +* `LogForwardInclude`: define topics to be forwarded (even if filter matches) +* `LogForwardIncludeMessage`: define message text to be forwarded (even if + filter matches) + +> ℹ️ **Info**: Copy relevant configuration from +> [`global-config`](../global-config.rsc) (the one without `-overlay`) to +> your local `global-config-overlay` and modify it to your specific needs. + +These patterns are matched as +[regular expressions](https://wiki.mikrotik.com/wiki/Manual:Regular_Expressions). +To forward **all** (ignoring severity) log messages with topics `account` +(which includes user logins) and `dhcp` you need something like: + + :global LogForwardInclude "(account|dhcp)"; + +Also notification settings are required for +[e-mail](mod/notification-email.md), +[matrix](mod/notification-matrix.md), +[ntfy](mod/notification-ntfy.md) and/or +[telegram](mod/notification-telegram.md). + +Tips & Tricks +------------- + +### Notification on reboot + +You want to receive a notification on every device (re-)boot? Quite easy, +just add: + + :global LogForwardIncludeMessage "(^router rebooted)"; + +This will match on every log message beginning with `router rebooted`. + +--- +[⬅️ Go back to main README](../README.md) +[⬆️ Go back to top](#top) |