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{ config, pkgs, lib, ... }:
let
cfg = config.my.services.monitoring.prometheus;
blackboxConfig = {
modules = {
https_2xx = {
prober = "http";
timeout = "5s";
http = {
method = "GET";
valid_status_codes = [ ];
fail_if_not_ssl = true;
no_follow_redirects = false;
tls_config = { insecure_skip_verify = false; };
preferred_ip_protocol = "ip4";
};
};
icmp = {
prober = "icmp";
icmp = { preferred_ip_protocol = "ip4"; };
timeout = "5s";
};
};
};
relabelConfigs = [
{
source_labels = [ "__address__" ];
target_label = "instance";
replacement = "carmel";
action = "replace";
regex = "192.168.6.1:(.*)";
}
{
source_labels = [ "__address__" ];
target_label = "instance";
replacement = "tahoe";
action = "replace";
regex = "192.168.6.40:(.*)";
}
];
in
{
options.my.services.monitoring.prometheus = with lib; {
enable = mkEnableOption "Prometheus monitoring solution";
listenAddress = mkOption {
type = types.str;
default = "0.0.0.0";
description = lib.mdDoc ''
Address to listen on.
'';
};
listenPort = mkOption {
type = types.port;
default = 9090;
description = lib.mdDoc ''
Port to listen on.
'';
};
};
config = lib.mkIf cfg.enable {
services.prometheus.exporters.blackbox = {
enable = true;
listenAddress = "127.0.0.1";
port = 9115;
configFile =
pkgs.writeText "blackbox.yml" (builtins.toJSON blackboxConfig);
};
services.prometheus = {
enable = true;
port = cfg.listenPort;
listenAddress = cfg.listenAddress;
globalConfig.scrape_interval = "15s";
extraFlags = [
# 3 years of retention
"--storage.tsdb.retention=${toString (365 * 3)}d"
"--web.enable-admin-api"
];
scrapeConfigs = [
{
job_name = "blackbox-ping";
metrics_path = "/probe";
params = { module = [ "icmp" ]; };
static_configs = [{
targets = [ "8.8.8.8" "1.1.1.1" "git.fcuny.net" "fcuny.net" ];
}];
relabel_configs = [
{
source_labels = [ "__address__" ];
target_label = "__param_target";
}
{
source_labels = [ "__param_target" ];
target_label = "instance";
}
{
target_label = "__address__";
replacement = "localhost:9115";
}
];
}
{
job_name = "blackbox-http";
metrics_path = "/probe";
params = { module = [ "https_2xx" ]; };
static_configs = [{
targets = [
"https://fcuny.net"
"https://git.fcuny.net"
];
}];
relabel_configs = [
{
source_labels = [ "__address__" ];
target_label = "__param_target";
}
{
source_labels = [ "__param_target" ];
target_label = "instance";
}
{
target_label = "__address__";
replacement = "localhost:9115";
}
];
}
{
job_name = "node";
static_configs =
[{ targets = [ "192.168.6.1:9100" "192.168.6.40:9100" ]; }];
relabel_configs = relabelConfigs;
}
{
job_name = "prometheus";
static_configs = [{ targets = [ "192.168.6.40:9090" ]; }];
relabel_configs = relabelConfigs;
}
{
job_name = "dnsmasq";
static_configs = [{ targets = [ "192.168.6.1:9153" ]; }];
relabel_configs = relabelConfigs;
}
{
job_name = "unifi-poller";
static_configs = [{ targets = [ "192.168.6.40:9130" ]; }];
relabel_configs = relabelConfigs;
}
];
};
};
}
|
