11b89720b7
As the configuration for the exporters and alertmanager is unchanged between the two major versions this patch tries to minimize duplication while at the same time as there's no upgrade path from 1.x to 2.x, it allows running the two services in parallel. See also #56037
83 lines
2.6 KiB
Nix
83 lines
2.6 KiB
Nix
{ config, lib, pkgs }:
|
|
|
|
with lib;
|
|
|
|
baseCfg:
|
|
let
|
|
cfg = baseCfg.postfix;
|
|
in
|
|
{
|
|
port = 9154;
|
|
extraOpts = {
|
|
telemetryPath = mkOption {
|
|
type = types.str;
|
|
default = "/metrics";
|
|
description = ''
|
|
Path under which to expose metrics.
|
|
'';
|
|
};
|
|
logfilePath = mkOption {
|
|
type = types.path;
|
|
default = "/var/log/postfix_exporter_input.log";
|
|
example = "/var/log/mail.log";
|
|
description = ''
|
|
Path where Postfix writes log entries.
|
|
This file will be truncated by this exporter!
|
|
'';
|
|
};
|
|
showqPath = mkOption {
|
|
type = types.path;
|
|
default = "/var/spool/postfix/public/showq";
|
|
example = "/var/lib/postfix/queue/public/showq";
|
|
description = ''
|
|
Path where Postfix places it's showq socket.
|
|
'';
|
|
};
|
|
systemd = {
|
|
enable = mkEnableOption ''
|
|
reading metrics from the systemd-journal instead of from a logfile
|
|
'';
|
|
unit = mkOption {
|
|
type = types.str;
|
|
default = "postfix.service";
|
|
description = ''
|
|
Name of the postfix systemd unit.
|
|
'';
|
|
};
|
|
slice = mkOption {
|
|
type = types.nullOr types.str;
|
|
default = null;
|
|
description = ''
|
|
Name of the postfix systemd slice.
|
|
This overrides the <option>systemd.unit</option>.
|
|
'';
|
|
};
|
|
journalPath = mkOption {
|
|
type = types.nullOr types.path;
|
|
default = null;
|
|
description = ''
|
|
Path to the systemd journal.
|
|
'';
|
|
};
|
|
};
|
|
};
|
|
serviceOpts = {
|
|
serviceConfig = {
|
|
ExecStart = ''
|
|
${pkgs.prometheus-postfix-exporter}/bin/postfix_exporter \
|
|
--web.listen-address ${cfg.listenAddress}:${toString cfg.port} \
|
|
--web.telemetry-path ${cfg.telemetryPath} \
|
|
--postfix.showq_path ${cfg.showqPath} \
|
|
${concatStringsSep " \\\n " (cfg.extraFlags
|
|
++ optional cfg.systemd.enable "--systemd.enable"
|
|
++ optional cfg.systemd.enable (if cfg.systemd.slice != null
|
|
then "--systemd.slice ${cfg.systemd.slice}"
|
|
else "--systemd.unit ${cfg.systemd.unit}")
|
|
++ optional (cfg.systemd.enable && (cfg.systemd.journalPath != null))
|
|
"--systemd.jounal_path ${cfg.systemd.journalPath}"
|
|
++ optional (!cfg.systemd.enable) "--postfix.logfile_path ${cfg.logfilePath}")}
|
|
'';
|
|
};
|
|
};
|
|
}
|