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nixos/hosts/web-arm/modules/grafana/alerting/service/amzebs_phpfpm_down.nix

59 lines
1.5 KiB
Nix

{ lib, pkgs, config, ... }:
{
grafanaAlertRuleDefinitions = [
{
uid = "amzebs-phpfpm-service-down-alert-uid";
title = "PHP-FPM Service Down on amzebs-01";
condition = "C";
data = [
{
refId = "A";
relativeTimeRange = {
from = 300;
to = 0;
};
datasourceUid = "vm-datasource-uid";
model = {
editorMode = "code";
expr = "node_systemd_unit_state{state=\"active\", name=~\"phpfpm-.*\\\\.service\", instance=\"amzebs-01:9100\"} OR on() vector(0)";
hide = false;
intervalMs = 1000;
legendFormat = "__auto";
maxDataPoints = 43200;
range = true;
refId = "A";
};
}
{
refId = "B";
datasourceUid = "__expr__";
model = {
type = "reduce";
expression = "A";
reducer = "min";
};
}
{
refId = "C";
datasourceUid = "__expr__";
model = {
type = "math";
expression = "$B < 1";
};
}
];
noDataState = "Alerting";
execErrState = "Alerting";
for = "5m";
annotations = {
description = "One or more PHP-FPM services are down on amzebs-01";
summary = "PHP-FPM Service Down on amzebs-01";
};
labels = {
severity = "critical";
host = "amzebs-01";
};
}
];
}