commit 65fd0312778cc86f0db9c4c87edcd5b06aacee7f · pyrox.dev/nixpkgs

nixos/modules/services/monitoring/prometheus/exporters.nix

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           "modemmanager"

     

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           "nextcloud"

     

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           "nginx"

     

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       +
           "nginxlog"

     

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           "node"

     

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           "openvpn"

     

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           "postfix"

+51

nixos/modules/services/monitoring/prometheus/exporters/nginxlog.nix

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       { config, lib, pkgs, options }:

     

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       with lib;

     

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       let

     

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         cfg = config.services.prometheus.exporters.nginxlog;

     

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       in {

     

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         port = 9117;

     

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         extraOpts = {

     

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           settings = mkOption {

     

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             type = types.attrs;

     

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             default = {};

     

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             description = ''

     

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               All settings of nginxlog expressed as an Nix attrset.

     

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               Check the official documentation for the corresponding YAML

     

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               settings that can all be used here: https://github.com/martin-helmich/prometheus-nginxlog-exporter

     

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               The `listen` object is already generated by `port`, `listenAddress` and `metricsEndpoint` and

     

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               will be merged with the value of `settings` before writting it as JSON.

     

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             '';

     

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           };

     

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           metricsEndpoint = mkOption {

     

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             type = types.str;

     

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             default = "/metrics";

     

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             description = ''

     

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               Path under which to expose metrics.

     

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             '';

     

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           };

     

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         };

     

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       +
       

     

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         serviceOpts = let

     

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           listenConfig = {

     

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             listen = {

     

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               port = cfg.port;

     

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               address = cfg.listenAddress;

     

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               metrics_endpoint = cfg.metricsEndpoint;

     

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             };

     

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           };

     

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           completeConfig = pkgs.writeText "nginxlog-exporter.yaml" (builtins.toJSON (lib.recursiveUpdate listenConfig cfg.settings));

     

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         in {

     

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           serviceConfig = {

     

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             ExecStart = ''

     

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               ${pkgs.prometheus-nginxlog-exporter}/bin/prometheus-nginxlog-exporter -config-file ${completeConfig}

     

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             '';

     

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             Restart="always";

     

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             ProtectSystem="full";

     

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           };

     

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         };

     

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       }

+61

nixos/tests/prometheus-exporters.nix

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             '';

     

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           };

     

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           nginxlog = {

     

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             exporterConfig = {

     

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               enable = true;

     

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               group = "nginx";

     

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               settings = {

     

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                 namespaces = [

     

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                   {

     

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                     name = "filelogger";

     

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                     source = {

     

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                       files = [ "/var/log/nginx/filelogger.access.log" ];

     

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                     };

     

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                   }

     

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                   {

     

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                     name = "syslogger";

     

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                     source = {

     

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                       syslog = {

     

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                         listen_address = "udp://127.0.0.1:10000";

     

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                         format = "rfc3164";

     

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                         tags = ["nginx"];

     

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                       };

     

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                     };

     

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                   }

     

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                 ];

     

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               };

     

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             };

     

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             metricProvider = {

     

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               services.nginx = {

     

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                 enable = true;

     

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                 httpConfig = ''

     

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                   server {

     

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                     listen 80;

     

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                     server_name filelogger.local;

     

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                     access_log /var/log/nginx/filelogger.access.log;

     

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                   }

     

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                   server {

     

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                     listen 81;

     

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                     server_name syslogger.local;

     

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                     access_log syslog:server=127.0.0.1:10000,tag=nginx,severity=info;

     

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                   }

     

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                 '';

     

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               };

     

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             };

     

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             exporterTest = ''

     

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               wait_for_unit("nginx.service")

     

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               wait_for_unit("prometheus-nginxlog-exporter.service")

     

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               wait_for_open_port(9117)

     

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               wait_for_open_port(80)

     

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               wait_for_open_port(81)

     

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               succeed("curl http://localhost")

     

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               execute("sleep 1")

     

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               succeed(

     

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                   "curl -sSf http://localhost:9117/metrics | grep 'filelogger_http_response_count_total' | grep -q 1"

     

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               )

     

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               succeed("curl http://localhost:81")

     

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               execute("sleep 1")

     

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               succeed(

     

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                   "curl -sSf http://localhost:9117/metrics | grep 'syslogger_http_response_count_total' | grep -q 1"

     

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               )

     

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             '';

     

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           };

     

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       +
       

     

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           node = {

     

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             exporterConfig = {

     

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               enable = true;

+3 -1

pkgs/servers/monitoring/prometheus/nginxlog-exporter.nix

···

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       -
       { stdenv, buildGoModule, fetchFromGitHub }:

     

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       { stdenv, buildGoModule, fetchFromGitHub, nixosTests }:

     

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       buildGoModule rec {

     

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         pname = "nginxlog_exporter";

     
···

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         subPackages = [ "." ];

     

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         runVend = true;

     

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         passthru.tests = { inherit (nixosTests.prometheus-exporters) nginxlog; };

     

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         meta = with stdenv.lib; {

     

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           description = "Export metrics from Nginx access log files to Prometheus";