os/modules/monitoring-server/default.nix

130 lines
3 KiB
Nix

{
lib,
config,
pkgs,
...
}:
with lib; let
psCfg = config.pub-solar;
cfg = config.pub-solar.monitoring-server;
in {
options.pub-solar.monitoring-server = {
enable = mkEnableOption "Install a monitoring server node";
listenAddress = mkOption {
type = types.str;
default = "127.0.0.1";
};
grafana = {
enable = mkEnableOption "Run grafana";
port = mkOption {
type = types.int;
default = 2342;
};
};
node_exporter = {
enable = mkEnableOption "prometheus node-exporter support";
hosts = mkOption {
type = types.listOf types.str;
};
};
snmp = {
enable = mkEnableOption "prometheus snmp export support";
hosts = mkOption {
#type = types.Or (types.AttrSet types.listOf types.str);
};
settings = mkOption {
type = types.NullOr types.AttrSet;
default = null;
};
};
smokeping = {
enable = mkEnableOption "prometheus smokeping support";
hosts = mkOption {
type = types.listOf types.str;
};
};
};
config = mkIf cfg.enable {
networking.firewall.allowedTCPPorts = [cfg.grafana.port 9001 9374];
pub-solar.monitoring-client = {
enable = true;
listenAddress = cfg.listenAddress;
};
services.grafana = mkIf cfg.grafana.enable {
enable = true;
settings = {
server = {
http_addr = cfg.listenAddress;
http_port = cfg.grafana.port;
};
};
};
services.prometheus = {
enable = true;
listenAddress = cfg.listenAddress;
port = 9001;
scrapeConfigs = [
{
job_name = "node_exporters";
static_configs = [
{
targets =
["${cfg.listenAddress}:9002"]
++ cfg.node_exporter.hosts;
}
];
}
{
job_name = "snmp_wohnung_aachen_mikrotik";
scrape_interval = "15s";
static_configs = [
{
targets = cfg.snmp.hosts;
}
];
metrics_path = "/snmp";
params = {
auth = ["public_v2"];
module = ["if_mib"];
};
relabel_configs = [
{
source_labels = ["__address__"];
target_label = "__param_target";
}
{
source_labels = ["__param_target"];
target_label = "instance";
}
{
target_label = "__address__";
replacement = "10.0.1.254:9116";
}
];
}
{
job_name = "smokeping";
scrape_interval = "15s";
static_configs = [
{
targets = [
"${cfg.listenAddress}:9374"
];
}
];
}
];
exporters.smokeping = mkIf cfg.smokeping.enable {
enable = true;
listenAddress = cfg.listenAddress;
hosts = cfg.smokeping.hosts;
};
};
};
}