{ system ? builtins.currentSystem , config ? {} , pkgs ? import ../.. { inherit system config; } }: let inherit (import ../lib/testing-python.nix { inherit system pkgs; }) makeTest; inherit (pkgs.lib) concatStringsSep maintainers mapAttrs mkMerge removeSuffix replaceChars singleton splitString; /* * The attrset `exporterTests` contains one attribute * for each exporter test. Each of these attributes * is expected to be an attrset containing: * * `exporterConfig`: * this attribute set contains config for the exporter itself * * `exporterTest` * this attribute set contains test instructions * * `metricProvider` (optional) * this attribute contains additional machine config * * Example: * exporterTests. = { * exporterConfig = { * enable = true; * }; * metricProvider = { * services..enable = true; * }; * exporterTest = '' * wait_for_unit("prometheus--exporter.service") * wait_for_open_port("1234") * succeed("curl -sSf 'localhost:1234/metrics'") * ''; * }; * * # this would generate the following test config: * * nodes. = { * services.prometheus. = { * enable = true; * }; * services..enable = true; * }; * * testScript = '' * .start() * .wait_for_unit("prometheus--exporter.service") * .wait_for_open_port("1234") * .succeed("curl -sSf 'localhost:1234/metrics'") * .shutdown() * ''; */ exporterTests = { bind = { exporterConfig = { enable = true; }; metricProvider = { services.bind.enable = true; services.bind.extraConfig = '' statistics-channels { inet 127.0.0.1 port 8053 allow { localhost; }; }; ''; }; exporterTest = '' wait_for_unit("prometheus-bind-exporter.service") wait_for_open_port(9119) succeed( "curl -sSf http://localhost:9119/metrics | grep -q 'bind_query_recursions_total 0'" ) ''; }; blackbox = { exporterConfig = { enable = true; configFile = pkgs.writeText "config.yml" (builtins.toJSON { modules.icmp_v6 = { prober = "icmp"; icmp.preferred_ip_protocol = "ip6"; }; }); }; exporterTest = '' wait_for_unit("prometheus-blackbox-exporter.service") wait_for_open_port(9115) succeed( "curl -sSf 'http://localhost:9115/probe?target=localhost&module=icmp_v6' | grep -q 'probe_success 1'" ) ''; }; collectd = { exporterConfig = { enable = true; extraFlags = [ "--web.collectd-push-path /collectd" ]; }; exporterTest = let postData = replaceChars [ "\n" ] [ "" ] '' [{ "values":[23], "dstypes":["gauge"], "type":"gauge", "interval":1000, "host":"testhost", "plugin":"testplugin", "time":DATE }] ''; in '' wait_for_unit("prometheus-collectd-exporter.service") wait_for_open_port(9103) succeed( 'echo \'${postData}\'> /tmp/data.json' ) succeed('sed -ie "s DATE $(date +%s) " /tmp/data.json') succeed( "curl -sSfH 'Content-Type: application/json' -X POST --data @/tmp/data.json localhost:9103/collectd" ) succeed( "curl -sSf localhost:9103/metrics | grep -q 'collectd_testplugin_gauge{instance=\"testhost\"} 23'" ) ''; }; dnsmasq = { exporterConfig = { enable = true; leasesPath = "/var/lib/dnsmasq/dnsmasq.leases"; }; metricProvider = { services.dnsmasq.enable = true; }; exporterTest = '' wait_for_unit("prometheus-dnsmasq-exporter.service") wait_for_open_port(9153) succeed("curl -sSf http://localhost:9153/metrics | grep -q 'dnsmasq_leases 0'") ''; }; dovecot = { exporterConfig = { enable = true; scopes = [ "global" ]; socketPath = "/var/run/dovecot2/old-stats"; user = "root"; # <- don't use user root in production }; metricProvider = { services.dovecot2.enable = true; }; exporterTest = '' wait_for_unit("prometheus-dovecot-exporter.service") wait_for_open_port(9166) succeed( "curl -sSf http://localhost:9166/metrics | grep -q 'dovecot_up{scope=\"global\"} 1'" ) ''; }; fritzbox = { # TODO add proper test case exporterConfig = { enable = true; }; exporterTest = '' wait_for_unit("prometheus-fritzbox-exporter.service") wait_for_open_port(9133) succeed( "curl -sSf http://localhost:9133/metrics | grep -q 'fritzbox_exporter_collect_errors 0'" ) ''; }; json = { exporterConfig = { enable = true; url = "http://localhost"; configFile = pkgs.writeText "json-exporter-conf.json" (builtins.toJSON [{ name = "json_test_metric"; path = "$.test"; }]); }; metricProvider = { systemd.services.prometheus-json-exporter.after = [ "nginx.service" ]; services.nginx = { enable = true; virtualHosts.localhost.locations."/".extraConfig = '' return 200 "{\"test\":1}"; ''; }; }; exporterTest = '' wait_for_unit("nginx.service") wait_for_open_port(80) wait_for_unit("prometheus-json-exporter.service") wait_for_open_port(7979) succeed("curl -sSf localhost:7979/metrics | grep -q 'json_test_metric 1'") ''; }; mail = { exporterConfig = { enable = true; configuration = { monitoringInterval = "2s"; mailCheckTimeout = "10s"; servers = [ { name = "testserver"; server = "localhost"; port = 25; from = "mail-exporter@localhost"; to = "mail-exporter@localhost"; detectionDir = "/var/spool/mail/mail-exporter/new"; } ]; }; }; metricProvider = { services.postfix.enable = true; systemd.services.prometheus-mail-exporter = { after = [ "postfix.service" ]; requires = [ "postfix.service" ]; preStart = '' mkdir -p 0600 mail-exporter/new ''; serviceConfig = { ProtectHome = true; ReadOnlyPaths = "/"; ReadWritePaths = "/var/spool/mail"; WorkingDirectory = "/var/spool/mail"; }; }; users.users.mailexporter.isSystemUser = true; }; exporterTest = '' wait_for_unit("postfix.service") wait_for_unit("prometheus-mail-exporter.service") wait_for_open_port(9225) wait_until_succeeds( "curl -sSf http://localhost:9225/metrics | grep -q 'mail_deliver_success{configname=\"testserver\"} 1'" ) ''; }; nextcloud = { exporterConfig = { enable = true; passwordFile = "/var/nextcloud-pwfile"; url = "http://localhost/negative-space.xml"; }; metricProvider = { systemd.services.nc-pwfile = let passfile = (pkgs.writeText "pwfile" "snakeoilpw"); in { requiredBy = [ "prometheus-nextcloud-exporter.service" ]; before = [ "prometheus-nextcloud-exporter.service" ]; serviceConfig.ExecStart = '' ${pkgs.coreutils}/bin/install -o nextcloud-exporter -m 0400 ${passfile} /var/nextcloud-pwfile ''; }; services.nginx = { enable = true; virtualHosts."localhost" = { basicAuth.nextcloud-exporter = "snakeoilpw"; locations."/" = { root = "${pkgs.prometheus-nextcloud-exporter.src}/serverinfo/testdata"; }; }; }; }; exporterTest = '' wait_for_unit("nginx.service") wait_for_unit("prometheus-nextcloud-exporter.service") wait_for_open_port(9205) succeed("curl -sSf http://localhost:9205/metrics | grep -q 'nextcloud_up 1'") ''; }; nginx = { exporterConfig = { enable = true; }; metricProvider = { services.nginx = { enable = true; statusPage = true; virtualHosts."/".extraConfig = "return 204;"; }; }; exporterTest = '' wait_for_unit("nginx.service") wait_for_unit("prometheus-nginx-exporter.service") wait_for_open_port(9113) succeed("curl -sSf http://localhost:9113/metrics | grep -q 'nginx_up 1'") ''; }; node = { exporterConfig = { enable = true; }; exporterTest = '' wait_for_unit("prometheus-node-exporter.service") wait_for_open_port(9100) succeed( "curl -sSf http://localhost:9100/metrics | grep -q 'node_exporter_build_info{.\\+} 1'" ) ''; }; postfix = { exporterConfig = { enable = true; }; metricProvider = { services.postfix.enable = true; }; exporterTest = '' wait_for_unit("prometheus-postfix-exporter.service") wait_for_open_port(9154) succeed( "curl -sSf http://localhost:9154/metrics | grep -q 'postfix_smtpd_connects_total 0'" ) ''; }; postgres = { exporterConfig = { enable = true; runAsLocalSuperUser = true; }; metricProvider = { services.postgresql.enable = true; }; exporterTest = '' wait_for_unit("prometheus-postgres-exporter.service") wait_for_open_port(9187) wait_for_unit("postgresql.service") succeed( "curl -sSf http://localhost:9187/metrics | grep -q 'pg_exporter_last_scrape_error 0'" ) succeed("curl -sSf http://localhost:9187/metrics | grep -q 'pg_up 1'") systemctl("stop postgresql.service") succeed( "curl -sSf http://localhost:9187/metrics | grep -qv 'pg_exporter_last_scrape_error 0'" ) succeed("curl -sSf http://localhost:9187/metrics | grep -q 'pg_up 0'") systemctl("start postgresql.service") wait_for_unit("postgresql.service") succeed( "curl -sSf http://localhost:9187/metrics | grep -q 'pg_exporter_last_scrape_error 0'" ) succeed("curl -sSf http://localhost:9187/metrics | grep -q 'pg_up 1'") ''; }; rspamd = { exporterConfig = { enable = true; }; metricProvider = { services.rspamd.enable = true; }; exporterTest = '' wait_for_unit("rspamd.service") wait_for_unit("prometheus-rspamd-exporter.service") wait_for_open_port(11334) wait_for_open_port(7980) wait_until_succeeds( "curl -sSf localhost:7980/metrics | grep -q 'rspamd_scanned{host=\"rspamd\"} 0'" ) ''; }; snmp = { exporterConfig = { enable = true; configuration.default = { version = 2; auth.community = "public"; }; }; exporterTest = '' wait_for_unit("prometheus-snmp-exporter.service") wait_for_open_port(9116) succeed("curl -sSf localhost:9116/metrics | grep -q 'snmp_request_errors_total 0'") ''; }; surfboard = { exporterConfig = { enable = true; modemAddress = "localhost"; }; metricProvider = { systemd.services.prometheus-surfboard-exporter.after = [ "nginx.service" ]; services.nginx = { enable = true; virtualHosts.localhost.locations."/cgi-bin/status".extraConfig = '' return 204; ''; }; }; exporterTest = '' wait_for_unit("nginx.service") wait_for_open_port(80) wait_for_unit("prometheus-surfboard-exporter.service") wait_for_open_port(9239) succeed("curl -sSf localhost:9239/metrics | grep -q 'surfboard_up 1'") ''; }; tor = { exporterConfig = { enable = true; }; metricProvider = { # Note: this does not connect the test environment to the Tor network. # Client, relay, bridge or exit connectivity are disabled by default. services.tor.enable = true; services.tor.controlPort = 9051; }; exporterTest = '' wait_for_unit("tor.service") wait_for_open_port(9051) wait_for_unit("prometheus-tor-exporter.service") wait_for_open_port(9130) succeed("curl -sSf localhost:9130/metrics | grep -q 'tor_version{.\\+} 1'") ''; }; varnish = { exporterConfig = { enable = true; instance = "/var/spool/varnish/varnish"; group = "varnish"; }; metricProvider = { systemd.services.prometheus-varnish-exporter.after = [ "varnish.service" ]; services.varnish = { enable = true; config = '' vcl 4.0; backend default { .host = "127.0.0.1"; .port = "80"; } ''; }; }; exporterTest = '' wait_for_unit("prometheus-varnish-exporter.service") wait_for_open_port(6081) wait_for_open_port(9131) succeed("curl -sSf http://localhost:9131/metrics | grep -q 'varnish_up 1'") ''; }; wireguard = let snakeoil = import ./wireguard/snakeoil-keys.nix; in { exporterConfig.enable = true; metricProvider = { networking.wireguard.interfaces.wg0 = { ips = [ "10.23.42.1/32" "fc00::1/128" ]; listenPort = 23542; inherit (snakeoil.peer0) privateKey; peers = singleton { allowedIPs = [ "10.23.42.2/32" "fc00::2/128" ]; inherit (snakeoil.peer1) publicKey; }; }; systemd.services.prometheus-wireguard-exporter.after = [ "wireguard-wg0.service" ]; }; exporterTest = '' wait_for_unit("prometheus-wireguard-exporter.service") wait_for_open_port(9586) wait_until_succeeds( "curl -sSf http://localhost:9586/metrics | grep '${snakeoil.peer1.publicKey}'" ) ''; }; }; in mapAttrs (exporter: testConfig: (makeTest { name = "prometheus-${exporter}-exporter"; nodes.${exporter} = mkMerge [{ services.prometheus.exporters.${exporter} = testConfig.exporterConfig; } testConfig.metricProvider or {}]; testScript = '' ${exporter}.start() ${concatStringsSep "\n" (map (line: if (builtins.substring 0 1 line == " " || builtins.substring 0 1 line == ")") then line else "${exporter}.${line}" ) (splitString "\n" (removeSuffix "\n" testConfig.exporterTest)))} ${exporter}.shutdown() ''; meta = with maintainers; { maintainers = [ willibutz ]; }; })) exporterTests