kubernetes/apps/authentik/blueprints-configmap.yaml

@@ -103,6 +103,16 @@ data:
           slug: paperless-proxy
         state: absent
 
+      # syncthing.paperless.renner.uno is gated by authentik-gate-sync
+      # (kubernetes/apps/paperless/syncthing.yaml), which admits this group.
+      # Members are managed in Authentik.
+      - model: authentik_core.group
+        identifiers:
+          name: Paperless Admins
+        state: present
+        attrs:
+          is_superuser: false
+
       # vscode.home.renner.uno is gated by authentik-gate-sync
       # (kubernetes/apps/home-assistant/vscode-ingress.yaml), which admits this
       # group. Members are managed in Authentik.

kubernetes/apps/monitoring-rules/probes-dns.yaml

@@ -142,4 +142,4 @@ spec:
         - "[fd02:47::1]:53"
         - "10.2.47.1:53"
       labels:
-        dns_name: syncthing.paperless.renner.uno
+        dns_name: sync.paperless.renner.uno

kubernetes/apps/monitoring/helmrelease-blackbox-exporter.yaml

@@ -136,7 +136,7 @@ spec:
           prober: dns
           timeout: 5s
           dns:
-            query_name: syncthing.paperless.renner.uno
+            query_name: sync.paperless.renner.uno
             query_type: A
             valid_rcodes: [NOERROR]
             validate_answer_rrs:

kubernetes/apps/paperless/kumamonitors.yaml

@@ -138,3 +138,25 @@ spec:
     expiryNotification: true
   keyword:
     keyword: "<title>authentik</title>"
+---
+apiVersion: uptime.renner.uno/v1alpha1
+kind: KumaMonitor
+metadata:
+  name: syncthing-ui-gate
+  namespace: paperless
+spec:
+  type: keyword
+  displayName: Syncthing Login
+  parentRef:
+    name: docs
+  interval: 60
+  retryInterval: 60
+  maxRetries: 1
+  timeout: 20
+  http:
+    # behind the Authentik gate; asserts the login page the redirect chain ends on
+    url: https://syncthing.paperless.renner.uno/
+    acceptedStatusCodes: ["200-299"]
+    expiryNotification: true
+  keyword:
+    keyword: "<title>authentik</title>"

kubernetes/apps/paperless/syncthing.yaml

@@ -52,11 +52,8 @@ spec:
         - name: syncthing
           image: syncthing/syncthing:2.1.7@sha256:2b71da7c0d0a91a6ae5285ad079226fecc0a365d08b27720e1f7037b018f7546
           env:
-            # UI bind: any-interface so the ClusterIP Service can reach
-            # it. Network exposure is gated by the absence of an Ingress
-            # and the namespace default-deny CNP — set a UI password in
-            # the Syncthing UI on first port-forward access before
-            # publishing it.
+            # UI bind: any-interface so the ClusterIP Service can reach it.
+            # External access goes through the syncthing-ui Ingress only.
             - name: STGUIADDRESS
               value: "0.0.0.0:8384"
             - name: PUID
@@ -115,10 +112,6 @@ spec:
           persistentVolumeClaim:
             claimName: paperless-consume
 ---
-# UI Service — ClusterIP only. Access via `kubectl -n paperless
-# port-forward svc/syncthing-ui 8384:8384` for first-time setup
-# (set admin password). Future Ingress + Authentik gate is a
-# separate change once auth is configured.
 apiVersion: v1
 kind: Service
 metadata:
@@ -132,6 +125,36 @@ spec:
       port: 8384
       targetPort: ui
 ---
+# LAN-only UI: Paperless Admins through the Authentik gate.
+apiVersion: networking.k8s.io/v1
+kind: Ingress
+metadata:
+  name: syncthing-ui
+  namespace: paperless
+  labels:
+    dns.renner.uno/internal: "true"
+  annotations:
+    traefik.ingress.kubernetes.io/router.middlewares: authentik-gate@kubernetescrd
+    cert-manager.io/cluster-issuer: letsencrypt-cluster
+    auth.renner.uno/group: Paperless Admins
+spec:
+  ingressClassName: traefik
+  rules:
+    - host: syncthing.paperless.renner.uno
+      http:
+        paths:
+          - path: /
+            pathType: Prefix
+            backend:
+              service:
+                name: syncthing-ui
+                port:
+                  number: 8384
+  tls:
+    - secretName: syncthing-ui-tls
+      hosts:
+        - syncthing.paperless.renner.uno
+---
 # Sync ports — LAN-reachable LoadBalancer. Peers (phones, laptops)
 # connect here for the dropbox sync. external-dns publishes the
 # hostname into UniFi DNS only (no cloudflare label); off-LAN peers
@@ -146,7 +169,7 @@ metadata:
     dns.renner.uno/internal: "true"
   annotations:
     io.cilium/lb-ipam-ips: "10.2.99.85,fd99::85"
-    external-dns.kubernetes.io/hostname: syncthing.paperless.renner.uno
+    external-dns.kubernetes.io/hostname: sync.paperless.renner.uno
 spec:
   type: LoadBalancer
   externalTrafficPolicy: Local

kubernetes/infrastructure/network-policies/paperless-ns.yaml

@@ -145,8 +145,8 @@ spec:
 # Allow Syncthing peer-to-peer sync from the LAN/world.
 # - 22000 TCP+QUIC: actual sync traffic between peers.
 # - 21027 UDP: local-discovery broadcast packets from peers on the LAN.
-# UI (8384) is intentionally NOT listed — accessed via port-forward
-# until an Ingress + Authentik gate is added.
+# UI (8384) is intentionally NOT listed — authentik-gate-sync generates the
+# CNP syncthing-ui-gate that admits traefik.
 apiVersion: cilium.io/v2
 kind: CiliumNetworkPolicy
 metadata: