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authorKarel Kočí <cynerd@email.cz>2022-12-18 13:39:13 +0100
committerKarel Kočí <cynerd@email.cz>2022-12-18 13:39:13 +0100
commit78e13fc7069875b6101b517fb0bff1fe72835cfb (patch)
tree80467e4c9290e62858458c7f78cb3acd652fa6e1 /nixos
parentd7e20342a2fed30403603987728ddf7138858f4d (diff)
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Add monitoring
Diffstat (limited to 'nixos')
-rw-r--r--nixos/modules/default.nix1
-rw-r--r--nixos/modules/develop.nix1
-rw-r--r--nixos/modules/monitoring.nix92
3 files changed, 94 insertions, 0 deletions
diff --git a/nixos/modules/default.nix b/nixos/modules/default.nix
index fd60aa4..8bf6a31 100644
--- a/nixos/modules/default.nix
+++ b/nixos/modules/default.nix
@@ -6,6 +6,7 @@ nixpkgs: {
cynerd-gaming = import ./gaming.nix;
cynerd-generic = import ./generic.nix;
cynerd-hosts = import ./hosts.nix;
+ cynerd-monitoring = import ./monitoring.nix;
cynerd-openvpn = import ./openvpn.nix;
cynerd-syncthing = import ./syncthing.nix;
cynerd-wifi-client = import ./wifi-client.nix;
diff --git a/nixos/modules/develop.nix b/nixos/modules/develop.nix
index c1c15b2..fa91d02 100644
--- a/nixos/modules/develop.nix
+++ b/nixos/modules/develop.nix
@@ -59,6 +59,7 @@ in {
jinja2
ruamel-yaml
msgpack
+ urllib3 influxdb-client
psycopg
diff --git a/nixos/modules/monitoring.nix b/nixos/modules/monitoring.nix
new file mode 100644
index 0000000..247253e
--- /dev/null
+++ b/nixos/modules/monitoring.nix
@@ -0,0 +1,92 @@
+{ config, lib, pkgs, ... }:
+
+with lib;
+
+let
+
+cnf = config.cynerd.monitoring;
+hostName = config.networking.hostName;
+isHost = cnf.host == hostName;
+
+in {
+ options.cynerd.monitoring = {
+ enable = mkOption {
+ type = types.bool;
+ default = true;
+ description = "If monitoring should be used";
+ };
+ hw = mkOption {
+ type = types.bool;
+ default = true;
+ description = "If hardware should be reported";
+ };
+
+ host = mkOption {
+ type = types.str;
+ description = "Host name of the monitoring hosting system";
+ readOnly = true;
+ };
+ };
+
+ config = mkMerge [
+ { cynerd.monitoring.host = "ridcully"; }
+ (mkIf cnf.enable {
+ # Telegraf configuration
+ services.telegraf = {
+ enable = true;
+ environmentFiles = ["/run/secrets/telegraf.env"];
+ extraConfig = {
+ agent = {};
+ outputs.influxdb_v2 = {
+ urls = ["http://${cnf.host}:8086"];
+ token = "$INFLUX_TOKEN";
+ organization = "personal";
+ bucket = "monitoring";
+ };
+ inputs = {
+ cpu = {
+ percpu = true;
+ totalcpu = true;
+ };
+ disk = {
+ ignore_fs = [
+ "tmpfs" "devtmpfs" "devfs" "iso9660" "overlay" "aufs" "squashfs"
+ ];
+ };
+ diskio = {};
+ diskio = {};
+ mem = {};
+ net = {};
+ processes = {};
+ swap = {};
+ system = {};
+ } // (optionalAttrs cnf.hw {
+ sensors = {};
+ smart = {};
+ });
+ };
+ };
+ # TODO probably add this to the upstream configuration
+ systemd.services.telegraf.path = with pkgs; [
+ ] ++ (optionals cnf.hw [
+ nvme-cli lm_sensors smartmontools
+ ]);
+ })
+ (mkIf isHost {
+ # InfluxDB
+ services.influxdb2.enable = mkIf isHost true;
+ # Grafana
+ services.grafana = mkIf isHost {
+ enable = true;
+ settings = {
+ users.allow_sign_up = false;
+ security = {
+ admin_user = "cynerd";
+ admin_password = "$__file{/run/secrets/grafana.admin.pass}";
+ };
+ };
+ };
+
+ })
+ ];
+}