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add telegraf

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soraefir
2026-06-06 00:34:26 +02:00
parent dddbd8309f
commit 2066940c77
6 changed files with 216 additions and 61 deletions
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62
modules/nixos/tools/default.nix
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@@ -1,64 +1,4 @@
{ pkgs, ... }: {
imports = [ ./debug ./develop ];
imports = [ ./debug ./develop ./telegraf ];
# services.telegraf = {
# enable = true;
# extraConfig = {
# agent = {
# interval = "10s";
# round_interval = true;
# metric_batch_size = 1000;
# metric_buffer_limit = 10000;
# collection_jitter = "0s";
# flush_interval = "10s";
# flush_jitter = "0s";
# precision = "";
# hostname = "valinor";
# omit_hostname = false;
# };
# inputs.cpu = {
# percpu = true;
# totalcpu = true;
# collect_cpu_time = false;
# report_active = false;
# };
# inputs.mem = {};
# inputs.swap = {};
# inputs.system = {};
# inputs.disk = {
# ignore_fs = ["tmpfs" "devtmpfs" "devfs"];
# };
# inputs.net = {};
# inputs.netstat = {};
# inputs.ping = {
# urls = ["8.8.8.8" "8.8.4.4"];
# count = 4;
# interval = "60s";
# binary = "${pkgs.iputils.out}/bin/ping";
# };
# inputs.internet_speed = {
# interval = "2m";
# };
# inputs.net_response = {
# protocol = "tcp";
# address = "google.com:80";
# timeout = "5s";
# read_timeout = "5s";
# interval = "30s";
# };
# outputs.influxdb_v2 = {
# urls = [""];
# token = "";
# organization = "";
# bucket = "";
# };
# };
# };
}

129
modules/nixos/tools/telegraf/default.nix Normal file
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@@ -0,0 +1,129 @@
{ config, lib, pkgs, ... }:
let
cfg = config.syscfg.monitoring.telegraf;
hasCollector = name: builtins.elem name cfg.collectors;
influxCfg = cfg.outputs.influxdb_v3;
telegrafEnvFiles =
lib.optional (influxCfg.secretName != null) "/run/secrets/${influxCfg.secretName}";
dockerGroups =
lib.optionals (cfg.enable && hasCollector "docker" && config.virtualisation.podman.enable) [ "podman" ]
++ lib.optionals (cfg.enable && hasCollector "docker" && config.virtualisation.docker.enable) [ "docker" ];
baseConfig = {
agent = {
interval = "10s";
round_interval = true;
metric_batch_size = 1000;
metric_buffer_limit = 10000;
flush_interval = "10s";
hostname = config.syscfg.hostname;
omit_hostname = false;
};
global_tags = {
host = config.syscfg.hostname;
};
};
inputsConfig = lib.mkMerge [
(lib.mkIf (hasCollector "cpu") {
inputs.cpu = {
percpu = true;
totalcpu = true;
collect_cpu_time = false;
report_active = false;
};
})
(lib.mkIf (hasCollector "mem") {
inputs.mem = { };
})
(lib.mkIf (hasCollector "swap") {
inputs.swap = { };
})
(lib.mkIf (hasCollector "system") {
inputs.system = { };
})
(lib.mkIf (hasCollector "disk") {
inputs.disk = {
ignore_fs = [ "tmpfs" "devtmpfs" "devfs" "overlay" "squashfs" ];
};
})
(lib.mkIf (hasCollector "diskio") {
inputs.diskio = { };
})
(lib.mkIf (hasCollector "kernel") {
inputs.kernel = { };
})
(lib.mkIf (hasCollector "net") {
inputs.net = { };
})
(lib.mkIf (hasCollector "netstat") {
inputs.netstat = { };
})
(lib.mkIf (hasCollector "processes") {
inputs.processes = { };
})
(lib.mkIf (hasCollector "temp") {
inputs.temp = { };
})
(lib.mkIf (hasCollector "mdstat") {
inputs.mdstat = { };
})
(lib.mkIf (hasCollector "smart") {
inputs.smart = {
use_sudo = true;
attributes = true;
};
})
(lib.mkIf (hasCollector "docker") {
inputs.docker = {
endpoint = "unix:///var/run/docker.sock";
timeout = "5s";
perdevice = true;
total = false;
};
})
(lib.mkIf (hasCollector "ping") {
inputs.ping = {
urls = [ "1.1.1.1" ];
count = 4;
interval = "60s";
timeout = 5.0;
binary = "${pkgs.iputils}/bin/ping";
};
})
];
outputsConfig = lib.mkMerge [{
outputs.influxdb_v3 = {
urls = influxCfg.urls;
token = influxCfg.token;
database = influxCfg.database or "telegraf";
};
}
];
in {
config = lib.mkIf cfg.enable {
services.telegraf = {
enable = true;
environmentFiles = telegrafEnvFiles;
extraConfig = lib.mkMerge [
baseConfig
inputsConfig
outputsConfig
cfg.extraConfig
];
};
users.users.telegraf.extraGroups = dockerGroups;
systemd.services.telegraf = {
path = lib.optionals (hasCollector "smart") [ pkgs.smartmontools ];
serviceConfig.SupplementaryGroups = dockerGroups;
};
security.sudo.extraRules = lib.optionals (hasCollector "smart") [{
users = [ "telegraf" ];
commands = [{
command = "${pkgs.smartmontools}/bin/smartctl";
options = [ "NOPASSWD" ];
}];
}];
};
}

3
modules/shared/sops/default.nix
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@@ -23,6 +23,9 @@ in {
group = config.users.users.${config.syscfg.defaultUser}.group;
};
"${config.syscfg.hostname}_wg_priv" = { };
telegraf = {
mode = "0400";
};
}
];
}

4
modules/shared/syscfg/default.nix
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@@ -28,6 +28,10 @@ in with lib; {
type = types.oneOf [ types.bool (types.submodule { options = import ./server.nix {inherit lib;}; }) ];
default = false;
};
monitoring = mkOption {
type = types.submodule { options = import ./monitoring.nix { inherit lib; }; };
default = { };
};
media = mkOption {
type = types.submodule { options = import ./media.nix { inherit lib; }; };
default = {};

54
modules/shared/syscfg/monitoring.nix Normal file
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@@ -0,0 +1,54 @@
{ lib, ... }:
with lib; {
telegraf = {
enable = mkOption {
type = types.bool;
default = false;
};
collectors = mkOption {
type = types.listOf (types.enum [
"cpu"
"mem"
"swap"
"system"
"disk"
"diskio"
"kernel"
"net"
"netstat"
"processes"
"temp"
"mdstat"
"smart"
"docker"
"ping"
]);
default = [ ];
};
outputs = {
urls = mkOption {
type = types.listOf types.str;
default = [ ];
};
database = mkOption {
type = types.nullOr types.str;
default = null;
};
token = mkOption {
type = types.str;
default = "$INFLUXDB_TOKEN";
};
secretName = mkOption {
type = types.nullOr types.str;
default = null;
};
};
extraConfig = mkOption {
type = types.attrs;
default = { };
};
};
}