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{ 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}";
};
};
};
})
];
}
|
