387 lines
12 KiB
Nix
387 lines
12 KiB
Nix
{ config
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, lib
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, pkgs
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, ... }:
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let
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cfg = config.server;
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synapseMetricsPort = 8009;
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synapseMetricsAddr = "127.0.0.1";
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collectListeners = names:
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map
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(x: "127.0.0.1:${toString x.port}")
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(builtins.attrValues
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(lib.filterAttrs (k: v: builtins.elem k names && v.enable) config.services.prometheus.exporters));
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in {
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# a bunch of services for personal use not intended for the public
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services.grafana = {
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enable = true;
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settings = {
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"auth.basic".enabled = false;
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# nginx login is used so this is fine, hopefully
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"auth.anonymous" = {
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enabled = true;
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# org_role = "Admin";
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};
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server.root_url = "https://home.${cfg.domainName}/grafana/";
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server.domain = "home.${cfg.domainName}";
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server.http_addr = "127.0.0.1";
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server.protocol = "socket";
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security.admin_user = "chayleaf";
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security.admin_password = "$__file{/secrets/grafana_password_file}";
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security.secret_key = "$__file{/secrets/grafana_key_file}";
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};
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};
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services.nginx.upstreams.grafana.servers."unix:/${config.services.grafana.settings.server.socket}" = {};
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services.nginx.virtualHosts."home.${cfg.domainName}" = {
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quic = true;
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enableACME = true;
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forceSSL = true;
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basicAuthFile = "/secrets/home_password";
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extraConfig = ''
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satisfy any;
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${lib.optionalString (cfg.lanCidrV4 != "0.0.0.0/0") "allow ${cfg.lanCidrV4};"}
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${lib.optionalString (cfg.lanCidrV6 != "::/0") "allow ${cfg.lanCidrV6};"}
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deny all;
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'';
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# locations."/.well-known/acme-challenge".extraConfig = "auth_basic off;";
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locations."/".root = "/var/www/home.${cfg.domainName}/";
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locations."/grafana/" = {
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proxyPass = "http://grafana/";
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proxyWebsockets = true;
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};
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locations."/grafana/public/".alias = "${config.services.grafana.settings.server.static_root_path}/";
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locations."/printer/" = {
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proxyPass = "http://127.0.0.1:631/";
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proxyWebsockets = true;
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};
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};
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services.nginx.virtualHosts."hydra.${cfg.domainName}" = {
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quic = true;
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enableACME = true;
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forceSSL = true;
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basicAuthFile = "/secrets/home_password";
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extraConfig = ''
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satisfy any;
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${lib.optionalString (cfg.lanCidrV4 != "0.0.0.0/0") "allow ${cfg.lanCidrV4};"}
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${lib.optionalString (cfg.lanCidrV6 != "::/0") "allow ${cfg.lanCidrV6};"}
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deny all;
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proxy_read_timeout 300;
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proxy_connect_timeout 300;
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proxy_send_timeout 300;
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client_body_timeout 300;
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send_timeout 300;
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'';
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locations."/".proxyPass = "http://${lib.quoteListenAddr config.services.hydra.listenHost}:${toString config.services.hydra.port}/";
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locations."/static/".root = lib.mkIf config.services.hydra.enable "${config.services.hydra.package}/libexec/hydra/root/";
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};
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users.users.nginx.extraGroups = [ "grafana" ];
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/*services.nix-serve = {
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enable = true;
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package = pkgs.nix-serve-ng;
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bindAddress = "127.0.0.1";
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secretKeyFile = "/secrets/cache-priv-key.pem";
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};*/
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services.harmonia = {
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enable = true;
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signKeyPath = "/secrets/cache-priv-key.pem";
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settings.bind = "[::1]:5000";
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};
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nix.settings.allowed-users = [ "nix-serve" "harmonia" "hydra" "hydra-www" ];
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# only hydra has access to this file anyway
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nix.settings.extra-builtins-file = "/etc/nixos/private/extra-builtins.nix";
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impermanence.directories = [
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{ directory = /etc/nixos/private; user = "hydra"; group = "hydra"; mode = "0700"; }
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];
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nix.settings.allowed-uris = [
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# required for home-manager
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"https://git.sr.ht/~rycee/nmd/"
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# required for server (I suppose since nvfetcher uses fetchTarball here...)
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"https://github.com/searxng/searxng/"
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# required for home config (nvfetcher again)
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"https://api.github.com/repos/FAForever/"
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];
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services.nginx.virtualHosts."binarycache.${cfg.domainName}" = {
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quic = true;
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enableACME = true;
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forceSSL = true;
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basicAuthFile = "/secrets/home_password";
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/*locations."/".proxyPass = "http://${config.services.nix-serve.bindAddress}:${toString config.services.nix-serve.port}";
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extraConfig = ''
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proxy_read_timeout 300;
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proxy_connect_timeout 300;
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proxy_send_timeout 300;
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'';*/
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locations."/".proxyPass = "http://${config.services.harmonia.settings.bind or "[::1]:5000"}";
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locations."/".extraConfig = ''
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proxy_set_header Host $host;
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proxy_http_version 1.1;
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proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
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proxy_set_header Upgrade $http_upgrade;
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proxy_set_header Connection $connection_upgrade;
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location ~ "^/nar/([a-z0-9]{32})-.*\.narinfo$" {
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proxy_pass http://127.0.0.1:5000/$1.narinfo$is_args$args;
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}
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'';
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# zstd on;
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# zstd_types application/x-nix-archive;
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};
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services.hydra = {
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enable = true;
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hydraURL = "home.${cfg.domainName}/hydra";
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listenHost = "127.0.0.1";
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minimumDiskFree = 30;
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notificationSender = "noreply@${cfg.domainName}";
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# smtpHost = "mail.${cfg.domainName}";
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useSubstitutes = true;
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};
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boot.binfmt.emulatedSystems = [ "aarch64-linux" ];
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nix.buildMachines = [
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{
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# there were some bugs related to not specifying the machine
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# not sure they're still there, but it surely won't hurt
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hostName = "localhost";
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protocol = null;
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maxJobs = 8;
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supportedFeatures = [ "kvm" "local" "nixos-test" "benchmark" "big-parallel" ];
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systems = [ "builtin" "x86_64-linux" "i686-linux" "aarch64-linux" ];
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}
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];
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# limit CI CPU usage since I'm running everything else off this server too
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systemd.services.nix-daemon.serviceConfig.CPUQuota = "100%";
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nix.daemonCPUSchedPolicy = "idle";
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nix.daemonIOSchedClass = "idle";
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systemd.services.hydra-evaluator = lib.mkIf config.services.hydra.enable {
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serviceConfig.CPUQuota = "100%";
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serviceConfig.CPUSchedulingPolicy = "idle";
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serviceConfig.IOSchedulingClass = "idle";
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};
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programs.ccache.enable = true;
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services.nginx.statusPage = true;
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services.gitea.settings.metrics.ENABLED = true;
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services.akkoma.config.":prometheus"."Pleroma.Web.Endpoint.MetricsExporter" = {
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enabled = true;
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auth = [ ((pkgs.formats.elixirConf { }).lib.mkRaw ":basic") "prometheus" {
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_secret = "/secrets/akkoma/prometheus_password";
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} ];
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ip_whitelist = ["127.0.0.1"];
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path = "/api/pleroma/app_metrics";
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format = (pkgs.formats.elixirConf { }).lib.mkRaw ":text";
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};
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services.prometheus = {
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enable = true;
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exporters = {
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node = {
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enable = true;
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enabledCollectors = [ "logind" "systemd" ];
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listenAddress = "127.0.0.1";
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port = 9101; # cups is 9100
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};
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dovecot = {
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enable = true;
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scopes = [ "user" "global" ];
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listenAddress = "127.0.0.1";
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};
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nextcloud = {
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enable = true;
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url = "https://cloud.${cfg.domainName}";
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username = "nextcloud-exporter";
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passwordFile = "/secrets/nextcloud_exporter_password";
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listenAddress = "127.0.0.1";
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};
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nginx = {
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enable = true;
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listenAddress = "127.0.0.1";
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};
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nginxlog = {
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enable = true;
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group = "nginx";
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settings.namespaces = [
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{
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name = "comments";
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format = "{\"ip\":\"$remote_addr\",\"time\":\"$time_iso8601\",\"referer\":\"$http_referer\",\"body\":\"$request_body\",\"ua\":\"$http_user_agent\"}";
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source.files = [ "/var/log/nginx/comments.log" ];
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}
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];
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listenAddress = "127.0.0.1";
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};
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postfix = {
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enable = true;
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listenAddress = "127.0.0.1";
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};
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postgres = {
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enable = true;
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listenAddress = "127.0.0.1";
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};
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process = {
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enable = true;
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listenAddress = "127.0.0.1";
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};
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redis = {
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enable = true;
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listenAddress = "127.0.0.1";
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};
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rspamd = {
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enable = true;
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listenAddress = "127.0.0.1";
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};
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smartctl = {
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enable = true;
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listenAddress = "127.0.0.1";
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};
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};
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checkConfig = "syntax-only";
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scrapeConfigs = [
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{
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job_name = "local_frequent";
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scrape_interval = "1m";
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static_configs = [ {
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targets = collectListeners [
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"node"
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"nginx"
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"process"
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];
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labels.machine = "server";
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} ];
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}
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{
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job_name = "local_medium_freq";
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scrape_interval = "15m";
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static_configs = [ {
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targets = [ "127.0.0.1:9548" "127.0.0.1:9198" ];
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labels.machine = "server";
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} ];
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}
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{
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job_name = "local_infrequent";
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scrape_interval = "1h";
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static_configs = [ {
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targets = collectListeners [
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"dovecot"
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"nextcloud"
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"nginxlog"
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"postfix"
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"postgres"
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"redis"
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"rspamd"
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"smartctl"
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];
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labels.machine = "server";
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} ];
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}
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{
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job_name = "gitea";
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bearer_token_file = "/secrets/prometheus_bearer";
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scrape_interval = "1h";
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static_configs = [ {
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targets = [ "git.${cfg.domainName}" ];
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labels.machine = "server";
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} ];
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}
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{
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job_name = "router_frequent";
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scrape_interval = "1m";
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static_configs = [ {
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targets = [
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"retracker.local:9101"
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"retracker.local:9256"
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"retracker.local:9167"
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];
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labels.machine = "router";
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} ];
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}
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{
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job_name = "router_infrequent";
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scrape_interval = "10m";
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static_configs = [ {
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targets = [
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"retracker.local:9430"
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"retracker.local:9547"
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];
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labels.machine = "router";
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} ];
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}
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{
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job_name = "synapse";
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metrics_path = "/_synapse/metrics";
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scrape_interval = "15s";
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static_configs = [ {
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targets = [ "${lib.quoteListenAddr synapseMetricsAddr}:${toString synapseMetricsPort}" ];
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labels.machine = "server";
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} ];
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}
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{
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job_name = "akkoma";
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metrics_path = "/api/pleroma/app_metrics";
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scrape_interval = "10m";
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basic_auth.username = "prometheus";
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basic_auth.password_file = "/secrets/akkoma/prometheus_password";
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static_configs = [ {
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targets = [ "pleroma.${cfg.domainName}" ];
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labels.machine = "server";
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} ];
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}
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];
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};
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services.matrix-synapse.settings = {
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enable_metrics = true;
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federation_metrics_domains = [ "matrix.org" ];
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/*
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normally you're supposed to use
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- port: 9000
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type: metrics
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bind_addresses: ['::1', '127.0.0.1']
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but the NixOS module doesn't allow creating such a listener
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*/
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listeners = [ {
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port = synapseMetricsPort;
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bind_addresses = [ synapseMetricsAddr ];
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type = "metrics";
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tls = false;
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resources = [ ];
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} ];
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};
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/*
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# this uses elasticsearch, rip
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services.parsedmarc = {
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enable = true;
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provision = {
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localMail = {
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enable = true;
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hostname = cfg.domainName;
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};
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grafana = {
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datasource = true;
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dashboard = true;
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};
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};
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};*/
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networking.firewall.allowedTCPPorts = [ 631 ];
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services.printing = {
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enable = true;
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allowFrom = [ cfg.lanCidrV4 cfg.lanCidrV6 ];
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browsing = true;
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clientConf = ''
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ServerName home.${cfg.domainName}
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'';
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listenAddresses = [ "*:631" ];
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defaultShared = true;
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drivers = [ pkgs.hplip ];
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startWhenNeeded = false;
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};
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services.avahi = {
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enable = true;
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hostName = "home";
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publish.enable = true;
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publish.addresses = true;
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publish.userServices = true;
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};
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}
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