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[ci skip] Add Grafana dashboard for Technitium DNS query logs

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Add MySQL datasource and 15-panel dashboard for DNS analytics:
queries over time, response codes, top domains/clients, response
times, blocked/NxDomain domains. Enable Grafana dashboard sidecar
for auto-provisioning dashboards from ConfigMaps.
This commit is contained in:
Viktor Barzin 2026-02-16 23:06:41 +00:00
parent 1802b4c86d
commit c0363be5e4
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7 changed files with 557 additions and 10 deletions
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43
modules/kubernetes/technitium/main.tf
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@ -1,6 +1,7 @@
variable "tls_secret_name" {}
variable "tier" { type = string }
variable "homepage_token" {}
variable "technitium_db_password" {}
resource "kubernetes_namespace" "technitium" {
metadata {
@ -260,3 +261,45 @@ module "ingress-doh" {
service_name = "technitium-web"
}
# Grafana datasource for Technitium DNS query logs in MySQL
resource "kubernetes_config_map" "grafana_technitium_datasource" {
metadata {
name = "grafana-technitium-datasource"
namespace = "monitoring"
labels = {
grafana_datasource = "1"
}
}
data = {
"technitium-datasource.yaml" = yamlencode({
apiVersion = 1
datasources = [{
name = "Technitium MySQL"
type = "mysql"
access = "proxy"
url = "mysql.dbaas.svc.cluster.local:3306"
database = "technitium"
user = "technitium"
uid = "technitium-mysql"
secureJsonData = {
password = var.technitium_db_password
}
}]
})
}
}
# Grafana dashboard for Technitium DNS query logs
resource "kubernetes_config_map" "grafana_technitium_dashboard" {
metadata {
name = "grafana-technitium-dashboard"
namespace = "monitoring"
labels = {
grafana_dashboard = "1"
}
}
data = {
"technitium-dns.json" = file("${path.module}/../monitoring/dashboards/technitium-dns.json")
}
}