add diun to monitor for docker updates throughout the cluster [ci skip]

modules/kubernetes/diun/main.tf

@@ -0,0 +1,120 @@
+variable "tls_secret_name" {}
+
+resource "kubernetes_namespace" "diun" {
+  metadata {
+    name = "diun"
+    labels = {
+      "istio-injection" : "disabled"
+    }
+  }
+}
+
+module "tls_secret" {
+  source          = "../setup_tls_secret"
+  namespace       = "diun"
+  tls_secret_name = var.tls_secret_name
+}
+
+resource "kubernetes_service_account" "diun" {
+  metadata {
+    name      = "diun"
+    namespace = "diun"
+  }
+}
+
+resource "kubernetes_cluster_role" "diun" {
+  metadata {
+    name = "diun"
+  }
+  rule {
+    api_groups = [""]
+    resources  = ["pods"]
+    verbs      = ["get", "watch", "list"]
+  }
+}
+resource "kubernetes_cluster_role_binding" "diun" {
+  metadata {
+    name = "diun"
+
+  }
+  role_ref {
+    api_group = "rbac.authorization.k8s.io"
+    kind      = "ClusterRole"
+    name      = "diun"
+  }
+  subject {
+    kind      = "ServiceAccount"
+    name      = "diun"
+    namespace = "diun"
+  }
+}
+
+resource "kubernetes_deployment" "diun" {
+  metadata {
+    name      = "diun"
+    namespace = "diun"
+    labels = {
+      app = "diun"
+    }
+    annotations = {
+      "reloader.stakater.com/search" = "true"
+      "diun.enable"                  = "true"
+    }
+  }
+  spec {
+    replicas = 1
+    selector {
+      match_labels = {
+        app = "diun"
+      }
+    }
+    template {
+      metadata {
+        labels = {
+          app = "diun"
+        }
+      }
+      spec {
+        service_account_name = "diun"
+        container {
+          image = "crazymax/diun:latest"
+          name  = "diun"
+          args  = ["serve"]
+          env {
+            name  = "TZ"
+            value = "Europe/Sofia"
+          }
+          env {
+            name  = "DIUN_WATCH_WORKERS"
+            value = "20"
+          }
+          env {
+            name  = "DIUN_WATCH_SCHEDULE"
+            value = "* * * * *"
+          }
+          env {
+            name  = "DIUN_WATCH_JITTER"
+            value = "30s"
+          }
+          env {
+            name  = "DIUN_PROVIDERS_KUBERNETES"
+            value = "true"
+          }
+
+          # volume_mount {
+          #   name       = "data"
+          #   mount_path = "/data"
+          # }
+        }
+        # volume {
+        #   name = "data"
+        #   nfs {
+        #     path   = "/mnt/main/diun"
+        #     server = "10.0.10.15"
+        #   }
+        # }
+      }
+    }
+  }
+}
+

modules/kubernetes/main.tf

@@ -465,3 +465,8 @@ module "cyberchef" {
   source          = "./cyberchef"
   tls_secret_name = var.tls_secret_name
 }
+
+module "diun" {
+  source          = "./diun"
+  tls_secret_name = var.tls_secret_name
+}