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README: first draft

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Denis Knauf 2022-04-06 00:40:07 +02:00
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postfix_exporter
================
Collects continuesly events from postfix and dovecot via journald.
Exports the collected event-counters and the currently count of queued messages.
Usage
-----
For nix, `nix-shell` knows any dependencies.
Any other: You need `libffi` and some gems:
apt install libffi
bundle install
Run puma for testing and use curl for first fetch.
puma
curl http://localhost:9296/metrics
You should see the collected data. On first run, this code be very empty. Wait some minutes to have some emails.
journald should not drop loglines! TODO: /etc/systemd/journald.conf