commit c221f9fdf2775010384c995ff26bf2da683aaa43 · pyrox.dev/nixpkgs

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

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           "nginx"

     

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           "node"

     

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           "postfix"

     

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           "postgres"

     

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           "snmp"

     

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           "surfboard"

     

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           "tor"

+46

nixos/modules/services/monitoring/prometheus/exporters/postgres.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.postgres;

     

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       in

     

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       {

     

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         port = 9187;

     

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         extraOpts = {

     

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           telemetryPath = 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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           dataSourceName = mkOption {

     

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             type = types.str;

     

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             default = "user=postgres database=postgres host=/run/postgresql sslmode=disable";

     

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             example = "postgresql://username:password@localhost:5432/postgres?sslmode=disable";

     

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             description = ''

     

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               Accepts PostgreSQL URI form and key=value form arguments.

     

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             '';

     

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           };

     

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           runAsLocalSuperUser = mkOption {

     

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             type = types.bool;

     

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             default = false;

     

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             description = ''

     

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               Whether to run the exporter as the local 'postgres' super user.

     

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             '';

     

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           };

     

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         };

     

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         serviceOpts = {

     

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           environment.DATA_SOURCE_NAME = cfg.dataSourceName;

     

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           serviceConfig = {

     

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             User = mkIf cfg.runAsLocalSuperUser (mkForce "postgres");

     

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             ExecStart = ''

     

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               ${pkgs.prometheus-postgres-exporter}/bin/postgres_exporter \

     

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                 --web.listen-address ${cfg.listenAddress}:${toString cfg.port} \

     

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                 --web.telemetry-path ${cfg.telemetryPath} \

     

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                 ${concatStringsSep " \\\n  " cfg.extraFlags}

     

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             '';

     

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           };

     

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         };

     

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       }

+24

nixos/tests/prometheus-exporters.nix

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             '';

     

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           };

     

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           postgres = {

     

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             exporterConfig = {

     

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               enable = true;

     

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               runAsLocalSuperUser = true;

     

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             };

     

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             metricProvider = {

     

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               services.postgresql.enable = true;

     

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             };

     

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             exporterTest = ''

     

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               waitForUnit("prometheus-postgres-exporter.service");

     

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               waitForOpenPort(9187);

     

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               waitForUnit("postgresql.service");

     

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               succeed("curl -sSf http://localhost:9187/metrics | grep -q 'pg_exporter_last_scrape_error 0'");

     

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               succeed("curl -sSf http://localhost:9187/metrics | grep -q 'pg_up 1'");

     

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               systemctl("stop postgresql.service");

     

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               succeed("curl -sSf http://localhost:9187/metrics | grep -qv 'pg_exporter_last_scrape_error 0'");

     

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               succeed("curl -sSf http://localhost:9187/metrics | grep -q 'pg_up 0'");

     

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               systemctl("start postgresql.service");

     

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               waitForUnit("postgresql.service");

     

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               succeed("curl -sSf http://localhost:9187/metrics | grep -q 'pg_exporter_last_scrape_error 0'");

     

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               succeed("curl -sSf http://localhost:9187/metrics | grep -q 'pg_up 1'");

     

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             '';

     

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           };

     

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           snmp = {

     

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             exporterConfig = {

     

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               enable = true;

+24

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

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       { stdenv, buildGoPackage, fetchFromGitHub }:

     

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       with stdenv.lib;

     

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       buildGoPackage rec {

     

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         name = "postgres_exporter-${version}";

     

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         version = "0.5.1";

     

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         goPackagePath = "github.com/wrouesnel/postgres_exporter";

     

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         src = fetchFromGitHub {

     

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           owner = "wrouesnel";

     

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           repo = "postgres_exporter";

     

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           rev = "v${version}";

     

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           sha256 = "1awcqhiak56nrsaa49lkw6mcbrlm86ls14sp9v69h3a0brc1q7bn";

     

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         };

     

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         meta = {

     

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           inherit (src.meta) homepage;

     

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           description = "A Prometheus exporter for PostgreSQL";

     

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           license = licenses.asl20;

     

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           maintainers = with maintainers; [ fpletz ];

     

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         };

     

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       }

pkgs/top-level/all-packages.nix

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         prometheus-node-exporter = callPackage ../servers/monitoring/prometheus/node-exporter.nix { };

     

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         prometheus-openvpn-exporter = callPackage ../servers/monitoring/prometheus/openvpn-exporter.nix { };

     

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         prometheus-postfix-exporter = callPackage ../servers/monitoring/prometheus/postfix-exporter.nix { };

     

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         prometheus-postgres-exporter = callPackage ../servers/monitoring/prometheus/postgres-exporter.nix { };

     

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         prometheus-pushgateway = callPackage ../servers/monitoring/prometheus/pushgateway.nix { };

     

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         prometheus-rabbitmq-exporter = callPackage ../servers/monitoring/prometheus/rabbitmq-exporter.nix { };

     

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         prometheus-snmp-exporter = callPackage ../servers/monitoring/prometheus/snmp-exporter.nix {