feat: Add check for cluster-autoscaler or karpenter

hardeneks/cluster_wide/cluster_autoscaling/cluster_autoscaler.py

@@ -0,0 +1,25 @@
+from kubernetes import client
+from rich.panel import Panel
+
+from hardeneks import console
+from ...resources import Resources
+
+
+def check_any_cluster_autoscaler_exists(resources: Resources):
+
+    deployments = [
+        i.metadata.name
+        for i in client.AppsV1Api().list_deployment_for_all_namespaces().items
+    ]
+
+    if not ("cluster-autoscaler" in deployments or "karpenter" in deployments):
+        console.print(
+            Panel(
+                "[red]Cluster Autoscaler or Karpeneter is not deployed.",
+                subtitle="[link=https://aws.github.io/aws-eks-best-practices/cluster-autoscaling/]Click to see the guide[/link]",
+            )
+        )
+        console.print()
+        return False
+    else:
+        return True

hardeneks/config.yaml

@@ -43,6 +43,9 @@ rules:
       applications:
         - check_metrics_server_is_running
         - check_vertical_pod_autoscaler_exists
+    cluster_autoscaling:
+      cluster_autoscaler:
+        - check_any_cluster_autoscaler_exists
   namespace_based:
     security: 
       iam:
@@ -71,13 +74,4 @@ rules:
         - schedule_replicas_across_nodes
         - run_multiple_replicas
         - avoid_running_singleton_pods
-    #   data_plane:
-    # networking:
-    #   vpc_subnets:
-    #   vpc_cni:
-    #   prefix_mode:
-    #   ipv6:
-    #   security_groups:
-    #   custom_networking:
-    #   load_balancing: