Remove nessus from cluster configuration

Remove all nessus references: ArgoCD project destination, Istio ambient
enrollment, waypoint gateway, authorization policies, ext-authz policy,
TLS certificate, ingress gateway host, Kyverno exclusion, and Authentik
forward-auth blueprint.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

infrastructure/istio/manifests/apps/authorization-policies-apps.yaml

@@ -273,30 +273,6 @@ spec:
             ipBlocks:
               - "10.244.0.0/16"
 
----
-# --- Nessus: Allow ingress + Prometheus + intra-namespace ---
-apiVersion: security.istio.io/v1
-kind: AuthorizationPolicy
-metadata:
-  name: allow-nessus-access
-  namespace: nessus
-spec:
-  action: ALLOW
-  rules:
-    # Intra-namespace
-    - from:
-        - source:
-            namespaces:
-              - nessus
-    - from:
-        - source:
-            namespaces:
-              - istio-system
-    - from:
-        - source:
-            namespaces:
-              - prometheus
-
 ---
 # --- Rancher: Allow ingress + Prometheus + intra-namespace ---
 apiVersion: security.istio.io/v1

infrastructure/istio/manifests/apps/namespace-enrollment-job.yaml

@@ -25,7 +25,7 @@ spec:
               echo "=== Enrolling app namespaces in Istio ambient mesh ==="
 
               # Enroll app namespaces in ambient mesh
-              APP_NAMESPACES=(argocd gitlab n8n nextcloud teslamate home-assistant frigate guacamole nessus cattle-system)
+              APP_NAMESPACES=(argocd gitlab n8n nextcloud teslamate home-assistant frigate guacamole cattle-system)
               for ns in "${APP_NAMESPACES[@]}"; do
                 echo "Enrolling $ns in ambient mesh..."
                 kubectl label namespace "$ns" istio.io/dataplane-mode=ambient --overwrite 2>/dev/null || true
@@ -34,7 +34,7 @@ spec:
 
               # Attach waypoint proxies for L7 policy enforcement
               echo "Attaching waypoint proxies to app namespaces..."
-              WAYPOINT_APP_NAMESPACES=(argocd gitlab n8n nextcloud teslamate home-assistant frigate guacamole nessus)
+              WAYPOINT_APP_NAMESPACES=(argocd gitlab n8n nextcloud teslamate home-assistant frigate guacamole)
               for ns in "${WAYPOINT_APP_NAMESPACES[@]}"; do
                 kubectl label namespace "$ns" istio.io/use-waypoint=waypoint --overwrite 2>/dev/null || true
               done

infrastructure/istio/manifests/edge/edge.yaml

@@ -31,7 +31,6 @@ spec:
     - everest.kube.huskypup.net
     - rancher.kube.huskypup.net
     - netbird.kube.huskypup.net
-    - nessus.kube.huskypup.net
     - scylla-manager.kube.huskypup.net
 
 ---
@@ -71,7 +70,6 @@ spec:
         - everest.kube.huskypup.net
         - rancher.kube.huskypup.net
         - netbird.kube.huskypup.net
-        - nessus.kube.huskypup.net
         - scylla-manager.kube.huskypup.net
       tls:
         mode: SIMPLE

infrastructure/istio/manifests/mesh/ext-authz-policies.yaml

@@ -119,21 +119,3 @@ spec:
         - operation:
             hosts:
               - scylla-manager.kube.huskypup.net
----
-# --- Nessus: Require Authentik auth ---
-# NOTE: Namespace 'nessus' must exist before applying this policy.
-# This policy will be skipped if the namespace doesn't exist yet.
-apiVersion: security.istio.io/v1
-kind: AuthorizationPolicy
-metadata:
-  name: ext-authz-nessus
-  namespace: nessus
-spec:
-  action: CUSTOM
-  provider:
-    name: authentik-ext-authz
-  rules:
-    - to:
-        - operation:
-            hosts:
-              - nessus.kube.huskypup.net

infrastructure/istio/manifests/mesh/waypoint-gateways.yaml

@@ -238,20 +238,6 @@ spec:
 ---
 apiVersion: gateway.networking.k8s.io/v1
 kind: Gateway
-metadata:
-  name: waypoint
-  namespace: nessus
-  labels:
-    istio.io/waypoint-for: service
-spec:
-  gatewayClassName: istio-waypoint
-  listeners:
-    - name: mesh
-      port: 15008
-      protocol: HBONE
----
-apiVersion: gateway.networking.k8s.io/v1
-kind: Gateway
 metadata:
   name: waypoint
   namespace: crowdsec