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Add blackbox-exporter config

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This commit is contained in:
Pablo Ovelleiro Corral 2024-08-25 17:17:54 +02:00
parent b6be95d032
commit 37f9419aef
Signed by: pinpox
GPG key ID: 29E9A6ED72CCB334
2 changed files with 59 additions and 4 deletions
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8
modules/prometheus/alert-rules.nix
View file

@ -198,10 +198,10 @@ lib.mapAttrsToList
description = "{{$labels.instance}}: healtcheck {{$labels.job}} fails!";
};
*/
#cert_expiry = {
# condition = "(probe_ssl_earliest_cert_expiry - time())/(3600*24) < 30";
# description = "{{$labels.instance}}: The TLS certificate will expire in less than 30 days: {{$value}}s";
#};
cert_expiry = {
condition = "(probe_ssl_earliest_cert_expiry - time())/(3600*24) < 30";
description = "{{$labels.instance}}: The TLS certificate will expire in less than 30 days: {{$value}}s";
};
# ignore devices that disabled S.M.A.R.T (example if attached via USB)

55
modules/prometheus/default.nix
View file

@ -5,6 +5,10 @@
flake,
...
}:
let
# TODO add hosts here
blackboxTargets = [ "https://pablo.tools" ];
in
{
age.secrets.alertmanager-envfile = {
file = "${flake.self}/secrets/alertmanager-envfile.age";
@ -27,6 +31,33 @@
enable = true;
port = 9001;
exporters = {
blackbox = {
enable = true;
# Default port is 9115
# Listen on 0.0.0.0, bet we only open the firewall for wg0
openFirewall = false;
configFile = pkgs.writeTextFile {
name = "blackbox-exporter-config";
text = ''
modules:
http_2xx:
prober: http
timeout: 5s
http:
valid_http_versions: ["HTTP/1.1", "HTTP/2.0"]
valid_status_codes: [] # Defaults to 2xx
method: GET
no_follow_redirects: false
fail_if_ssl: false
fail_if_not_ssl: false
tls_config:
insecure_skip_verify: false
preferred_ip_protocol: "ip4" # defaults to "ip6"
ip_protocol_fallback: true # fallback to "ip6"
'';
};
};
node = {
enable = true;
enabledCollectors = [ "systemd" ];
@ -38,6 +69,30 @@
scrape_timeout = "9s";
};
scrapeConfigs = [
{
job_name = "blackbox";
scrape_interval = "2m";
metrics_path = "/probe";
params = {
module = [ "http_2xx" ];
};
static_configs = [ { targets = blackboxTargets; } ];
relabel_configs = [
{
source_labels = [ "__address__" ];
target_label = "__param_target";
}
{
source_labels = [ "__param_target" ];
target_label = "instance";
}
{
target_label = "__address__";
replacement = "127.0.0.1:9115"; # The blackbox exporter's real hostname:port.
}
];
}
{
job_name = "node-exporter";
static_configs = [