Refactor ansible-apply.yaml and inventory/hosts, add ansible.cfg

terraform/k8sapps/operator.tf

@@ -5,16 +5,109 @@ resource "kubernetes_service_account" "operator_service_account" {
   }
 }
 
-resource "kubernetes_cluster_role_binding" "operator_admin_access" {
-
+resource "kubernetes_cluster_role" "operator_maintenance_role" {
   metadata {
-    name = "operator-admin-access"
+    name = "operator-maintenance-role"
+  }
+
+  # Allow managing Pods (create, delete, exec, restart)
+  rule {
+    api_groups = [""]
+    resources  = ["pods"]
+    verbs      = ["get", "list", "watch", "create", "delete", "patch", "update", "exec"]
+  }
+
+  rule {
+    api_groups = [""]
+    resources  = ["replicationcontrollers"]
+    verbs      = ["get", "list"]
+  }
+
+  rule {
+    api_groups = ["autoscaling"]
+    resources  = ["horizontalpodautoscalers"]
+    verbs      = ["get", "list", "watch"]
+  }
+
+  rule {
+    api_groups = ["apps"]
+    resources  = ["deployments", "replicasets", "statefulsets", "daemonsets"]
+    verbs      = ["get", "list", "watch"]
+  }
+
+  rule {
+    api_groups = ["batch"]
+    resources  = ["cronjobs"]
+    verbs      = ["get", "list", "watch"]
+  }
+
+  rule {
+    api_groups = ["batch"]
+    resources  = ["jobs"]
+    verbs      = ["get", "list", "watch", "create", "delete", "patch", "update"]
+  }
+
+
+
+  # Allow reading Pod logs
+  rule {
+    api_groups = [""]
+    resources  = ["pods/log"]
+    verbs      = ["get", "list"]
+  }
+
+  # Allow managing Pod eviction for draining nodes, etc.
+  rule {
+    api_groups = ["policy"]
+    resources  = ["pods/eviction"]
+    verbs      = ["create"]
+  }
+
+  # Allow reading Namespaces (usually required for multi-namespace tools)
+  rule {
+    api_groups = [""]
+    resources  = ["namespaces"]
+    verbs      = ["get", "list", "watch"]
+  }
+
+  # Allow reading and managing PodDisruptionBudgets (useful for draining nodes)
+  rule {
+    api_groups = ["policy"]
+    resources  = ["poddisruptionbudgets"]
+    verbs      = ["get", "list", "watch", "patch", "update"]
+  }
+
+  # Allow managing Nodes (e.g., for cordoning, draining)
+  rule {
+    api_groups = [""]
+    resources  = ["nodes"]
+    verbs      = ["get", "list", "patch", "update"]
+  }
+
+  # Allow reading PersistentVolumeClaims (PVCs) but not PersistentVolumes
+  rule {
+    api_groups = [""]
+    resources  = ["persistentvolumeclaims"]
+    verbs      = ["get", "list", "watch"]
+  }
+
+  # Allow listing and getting services and endpoints (but not updating)
+  rule {
+    api_groups = [""]
+    resources  = ["services", "endpoints"]
+    verbs      = ["get", "list", "watch"]
+  }
+}
+
+resource "kubernetes_cluster_role_binding" "operator_maintenance_binding" {
+  metadata {
+    name = "operator-maintenance-binding"
   }
 
   role_ref {
-    api_group = "rbac.authorization.k8s.io"
     kind      = "ClusterRole"
-    name      = "cluster-admin"
+    name      = kubernetes_cluster_role.operator_maintenance_role.metadata[0].name
+    api_group = "rbac.authorization.k8s.io"
   }
 
   subject {