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|
{ config, lib, pkgs, options }:
with lib;
let
cfg = config.services.prometheus.exporters.nginxlog;
in {
port = 9117;
extraOpts = {
settings = mkOption {
type = types.attrs;
default = {};
description = ''
All settings of nginxlog expressed as an Nix attrset.
Check the official documentation for the corresponding YAML
settings that can all be used here: https://github.com/martin-helmich/prometheus-nginxlog-exporter
The `listen` object is already generated by `port`, `listenAddress` and `metricsEndpoint` and
will be merged with the value of `settings` before writting it as JSON.
'';
};
metricsEndpoint = mkOption {
type = types.str;
default = "/metrics";
description = ''
Path under which to expose metrics.
'';
};
};
serviceOpts = let
listenConfig = {
listen = {
port = cfg.port;
address = cfg.listenAddress;
metrics_endpoint = cfg.metricsEndpoint;
};
};
completeConfig = pkgs.writeText "nginxlog-exporter.yaml" (builtins.toJSON (lib.recursiveUpdate listenConfig cfg.settings));
in {
serviceConfig = {
ExecStart = ''
${pkgs.prometheus-nginxlog-exporter}/bin/prometheus-nginxlog-exporter -config-file ${completeConfig}
'';
Restart="always";
ProtectSystem="full";
};
};
}
|