feat(cert-checker): add Kubernetes resources for certificate checking functionality

- Implemented a new module for cert-checker with Kubernetes resources including ServiceAccount, Role, RoleBinding, ConfigMap, and CronJob.
- Added Python script to check certificate expiry and restart deployments if necessary.
- Configured environment variables for deployment name, namespace, and service details.
- Included requirements for the Python environment.

feat(devolo-exporter): introduce Devolo exporter for Prometheus metrics

- Created a new module for Devolo exporter with Kubernetes resources including ServiceAccount, ConfigMap, Deployment, and Service.
- Developed Python scripts to scrape metrics from Devolo devices and expose them to Prometheus.
- Configured environment variables for Devolo device IP, model, and ports.
- Added requirements for the Python environment.

terraform/apps/dev-01/apps.tf

@@ -10,7 +10,7 @@ module "open-webui" {
 module "samba" {
   source = "../../modules/apps/samba"
 
-  shared_folder = local.samba_shared_folder
+  shares = local.samba_shares
 }
 
 module "dns" {
@@ -73,20 +73,3 @@ module "grafana" {
   fqdn              = local.grafana_fqdn
 }
 
-module "node_exporter" {
-  source = "../../modules/utils/node-exporter"
-}
-
-module "auth_exporter" {
-  source            = "../../modules/utils/auth-exporter"
-  persistent_folder = "${local.persistent_folder}/monitoring"
-}
-
-module "disk_exporter" {
-  source                  = "../../modules/utils/disk-exporter"
-  persistent_folder       = "${local.persistent_folder}/monitoring"
-  smartctl_static_version = local.smartctl_static_version
-  smartctl_sha256         = local.smartctl_sha256
-  check_frequency         = 600
-  standby_mode            = false
-}

terraform/apps/dev-01/config.tf

@@ -8,7 +8,18 @@ locals {
   internal_issuer = "internal-ca"
 
   # samba
-  samba_shared_folder = "/mnt/usb"
+  samba_shares = [
+    {
+      name    = "USB"
+      path    = "/mnt/usb"
+      comment = "USB Drive"
+    },
+    {
+      name    = "Storage"
+      path    = "/srv/storage"
+      comment = "Main Storage"
+    }
+  ]
 
   # DNS
   dns_nameservers = [
@@ -127,6 +138,18 @@ locals {
       upstream  = "dns.dns.svc.cluster.local"
       protocol  = "udp"
     }
+    "smb" = {
+      port      = 445
+      host_port = 445
+      upstream  = "smb.samba.svc.cluster.local"
+      protocol  = "tcp"
+    }
+    "netbios" = {
+      port      = 139
+      host_port = 139
+      upstream  = "netbios.samba.svc.cluster.local"
+      protocol  = "tcp"
+    }
   }
 
   ollama_proxy = {
@@ -191,6 +214,17 @@ locals {
   telegram_message = file("${path.module}/resources/telegram.tpl")
 
   grafana_fqdn = "grafana.${local.lab_domain}"
+
+  devolo_devices = {
+    devolo_620 = {
+      ip    = "192.168.0.199"
+      model = "620"
+    }
+    # devolo_326 = {
+    #   ip    = "192.168.0.200"
+    #   model = "326"
+    # }
+  }
 }
 
 data "terraform_remote_state" "scaleway" {

terraform/apps/dev-01/exporters.tf

@@ -0,0 +1,25 @@
+module "node_exporter" {
+  source = "../../modules/utils/node-exporter"
+}
+
+module "auth_exporter" {
+  source            = "../../modules/utils/auth-exporter"
+  persistent_folder = "${local.persistent_folder}/monitoring"
+}
+
+module "disk_exporter" {
+  source                  = "../../modules/utils/disk-exporter"
+  persistent_folder       = "${local.persistent_folder}/monitoring"
+  smartctl_static_version = local.smartctl_static_version
+  smartctl_sha256         = local.smartctl_sha256
+  check_frequency         = 600
+  standby_mode            = false
+}
+
+module "devolo_exporter" {
+  for_each     = local.devolo_devices
+  source       = "../../modules/utils/devolo-expporter"
+  devolo_ip    = each.value.ip
+  devolo_model = each.value.model
+}
+

terraform/apps/dev-01/resources/prometheus.yml

@@ -21,3 +21,9 @@ scrape_configs:
           - "disk-exporter.prometheus.svc.cluster.local:9100"
       - labels:
           cluster: "dev-01"
+  - job_name: devolo-exporter
+    scrape_interval: 10s
+    static_configs:
+      - targets:
+          - "devolo-exporter-620.prometheus.svc.cluster.local:9100"
+          # - "devolo-exporter-326.prometheus.svc.cluster.local:9100"