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nixos/prometheus-postfix-exporter: fixes for systemd integration

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* Allow the service to read from the journal w/systemd.enable
* Ensure that the service is started after postfix.service
This commit is contained in:
Maximilian Bosch 2022-06-16 23:36:28 +02:00 committed by Bjørn Forsman
parent cb94b38115
commit 5ab65d9cd1
1 changed files with 2 additions and 0 deletions
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2
nixos/modules/services/monitoring/prometheus/exporters/postfix.nix
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@ -74,11 +74,13 @@ in
};
};
serviceOpts = {
after = mkIf cfg.systemd.enable [ cfg.systemd.unit ];
serviceConfig = {
DynamicUser = false;
# By default, each prometheus exporter only gets AF_INET & AF_INET6,
# but AF_UNIX is needed to read from the `showq`-socket.
RestrictAddressFamilies = [ "AF_UNIX" ];
SupplementaryGroups = mkIf cfg.systemd.enable [ "systemd-journal" ];
ExecStart = ''
${pkgs.prometheus-postfix-exporter}/bin/postfix_exporter \
--web.listen-address ${cfg.listenAddress}:${toString cfg.port} \