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{ config, lib, pkgs, options, ... }:
with lib;
let
cfg = config.services.prometheus.exporters.zfs;
in
{
port = 9134;
extraOpts = {
telemetryPath = mkOption {
type = types.str;
default = "/metrics";
description = lib.mdDoc ''
Path under which to expose metrics.
'';
};
pools = mkOption {
type = with types; nullOr (listOf str);
default = [ ];
description = lib.mdDoc ''
Name of the pool(s) to collect, repeat for multiple pools (default: all pools).
'';
};
};
serviceOpts = {
# needs zpool
path = [ config.boot.zfs.package ];
serviceConfig = {
ExecStart = ''
${pkgs.prometheus-zfs-exporter}/bin/zfs_exporter \
--web.listen-address ${cfg.listenAddress}:${toString cfg.port} \
--web.telemetry-path ${cfg.telemetryPath} \
${concatMapStringsSep " " (x: "--pool=${x}") cfg.pools} \
${concatStringsSep " \\\n " cfg.extraFlags}
'';
ProtectClock = false;
PrivateDevices = false;
};
};
}
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