124 lines
3.0 KiB
Nix
124 lines
3.0 KiB
Nix
{ config, lib, pkgs, ... }:
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let
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cfg = config.syscfg.monitoring.telegraf;
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hasCollector = name: builtins.elem name cfg.collectors;
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baseConfig = {
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agent = {
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interval = "10s";
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round_interval = true;
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metric_batch_size = 1000;
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metric_buffer_limit = 10000;
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flush_interval = "10s";
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hostname = config.syscfg.hostname;
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omit_hostname = false;
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};
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global_tags = {
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host = config.syscfg.hostname;
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};
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};
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inputsConfig = lib.mkMerge [
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(lib.mkIf (hasCollector "cpu") {
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inputs.cpu = {
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percpu = true;
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totalcpu = true;
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collect_cpu_time = false;
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report_active = false;
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};
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})
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(lib.mkIf (hasCollector "mem") {
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inputs.mem = { };
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})
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(lib.mkIf (hasCollector "swap") {
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inputs.swap = { };
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})
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(lib.mkIf (hasCollector "system") {
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inputs.system = { };
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})
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(lib.mkIf (hasCollector "disk") {
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inputs.disk = {
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ignore_fs = [ "tmpfs" "devtmpfs" "devfs" "overlay" "squashfs" ];
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};
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})
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(lib.mkIf (hasCollector "diskio") {
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inputs.diskio = { };
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})
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(lib.mkIf (hasCollector "kernel") {
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inputs.kernel = { };
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})
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(lib.mkIf (hasCollector "net") {
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inputs.net = { };
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})
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(lib.mkIf (hasCollector "netstat") {
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inputs.netstat = { };
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})
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(lib.mkIf (hasCollector "processes") {
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inputs.processes = { };
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})
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(lib.mkIf (hasCollector "temp") {
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inputs.temp = { };
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})
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(lib.mkIf (hasCollector "mdstat") {
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inputs.mdstat = { };
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})
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(lib.mkIf (hasCollector "smart") {
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inputs.smart = {
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use_sudo = true;
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attributes = true;
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};
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})
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(lib.mkIf (hasCollector "docker") {
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inputs.docker = {
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endpoint = "unix:///var/run/docker.sock";
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timeout = "5s";
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perdevice_include = ["blkio", "cpu", "network"];
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total_include = [];
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};
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})
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(lib.mkIf (hasCollector "ping") {
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inputs.ping = {
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urls = [ "1.1.1.1" ];
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count = 4;
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interval = "60s";
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timeout = 5.0;
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binary = "${pkgs.iputils}/bin/ping";
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};
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})
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];
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outputsConfig = lib.mkMerge [{
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outputs.influxdb_v3 = {
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urls = cfg.outputs;
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token = "$INFLUX_TOKEN";#config.sops.secrets.telegraf.path;
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database = "telegraf";
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};
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}
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];
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in {
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config = lib.mkIf cfg.enable {
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services.telegraf = {
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enable = true;
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environmentFiles = [ config.sops.secrets.telegraf.path ];
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extraConfig = lib.mkMerge [
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baseConfig
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inputsConfig
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outputsConfig
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cfg.extraConfig
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];
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};
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users.users.telegraf.extraGroups = ["podman"];
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systemd.services.telegraf = {
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path = lib.optionals (hasCollector "smart") [ pkgs.smartmontools ];
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serviceConfig.SupplementaryGroups = ["podman"];
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};
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security.sudo.extraRules = lib.optionals (hasCollector "smart") [{
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users = [ "telegraf" ];
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commands = [{
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command = "${pkgs.smartmontools}/bin/smartctl";
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options = [ "NOPASSWD" ];
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}];
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}];
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};
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}
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