prometheus-postgres-exporter: init at 0.5.1
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@ -32,6 +32,7 @@ let
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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"
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@ -0,0 +1,46 @@
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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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}
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@ -232,6 +232,30 @@ let
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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;
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24
pkgs/servers/monitoring/prometheus/postgres-exporter.nix
Normal file
24
pkgs/servers/monitoring/prometheus/postgres-exporter.nix
Normal file
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@ -0,0 +1,24 @@
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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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}
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@ -14808,6 +14808,7 @@ in
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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 {
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