Merge pull request #199524 from ymarkus/zfs-exporter

nixos/prometheus-zfs-exporter: init
This commit is contained in:
Franz Pletz 2022-11-11 02:01:13 +01:00 committed by GitHub
commit 8cc2dcce7d
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3 changed files with 62 additions and 1 deletions

View file

@ -77,6 +77,7 @@ let
"varnish"
"wireguard"
"flow"
"zfs"
] (name:
import (./. + "/exporters/${name}.nix") { inherit config lib pkgs options; }
);
@ -196,7 +197,7 @@ let
serviceConfig.LockPersonality = true;
serviceConfig.MemoryDenyWriteExecute = true;
serviceConfig.NoNewPrivileges = true;
serviceConfig.PrivateDevices = true;
serviceConfig.PrivateDevices = mkDefault true;
serviceConfig.ProtectClock = mkDefault true;
serviceConfig.ProtectControlGroups = true;
serviceConfig.ProtectHome = true;

View file

@ -0,0 +1,44 @@
{ 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;
};
};
}

View file

@ -1396,6 +1396,22 @@ let
)
'';
};
zfs = {
exporterConfig = {
enable = true;
};
metricProvider = {
boot.supportedFilesystems = [ "zfs" ];
networking.hostId = "7327ded7";
};
exporterTest = ''
wait_for_unit("prometheus-zfs-exporter.service")
wait_for_unit("zfs.target")
wait_for_open_port(9134)
wait_until_succeeds("curl -f localhost:9134/metrics | grep 'zfs_scrape_collector_success{.*} 1'")
'';
};
};
in
mapAttrs