chore(apps): Add network policies to standalone apps

apps/bentopdf/kustomization.yaml

@@ -4,3 +4,4 @@ resources:
   - deployment.yaml
   - service.yaml
   - httproute.yaml
+  - networkpolicy.yaml

apps/bentopdf/networkpolicy.yaml

@@ -0,0 +1,21 @@
+apiVersion: networking.k8s.io/v1
+kind: NetworkPolicy
+metadata:
+  name: bentopdf
+  namespace: bentopdf
+spec:
+  egress: []
+  ingress:
+    - from:
+        - namespaceSelector:
+            matchLabels:
+              kubernetes.io/metadata.name: traefik
+      ports:
+        - port: 8080
+          protocol: TCP
+  podSelector:
+    matchLabels:
+      app.kubernetes.io/name: bentopdf
+  policyTypes:
+    - Ingress
+    - Egress

apps/garage-ui/kustomization.yaml

@@ -4,3 +4,4 @@ resources:
   - sealed-secret.yaml
   - middleware.yaml
   - httproute.yaml
+  - networkpolicy.yaml

apps/garage-ui/networkpolicy.yaml

@@ -0,0 +1,40 @@
+apiVersion: networking.k8s.io/v1
+kind: NetworkPolicy
+metadata:
+  name: garage-ui
+  namespace: garage
+spec:
+  egress:
+    - ports:
+        - port: 53
+          protocol: UDP
+        - port: 53
+          protocol: TCP
+      to:
+        - namespaceSelector:
+            matchLabels:
+              kubernetes.io/metadata.name: kube-system
+          podSelector:
+            matchLabels:
+              k8s-app: kube-dns
+    - ports:
+        - port: 3903
+          protocol: TCP
+      to:
+        - podSelector:
+            matchLabels:
+              app.kubernetes.io/name: garage
+  ingress:
+    - from:
+        - namespaceSelector:
+            matchLabels:
+              kubernetes.io/metadata.name: traefik
+      ports:
+        - port: 8080
+          protocol: TCP
+  podSelector:
+    matchLabels:
+      app.kubernetes.io/name: garage-ui
+  policyTypes:
+    - Ingress
+    - Egress

apps/qbit/kustomization.yaml

@@ -7,3 +7,4 @@ resources:
   - service.yaml
   - middleware.yaml
   - httproute.yaml
+  - networkpolicy.yaml

apps/qbit/networkpolicy.yaml

@@ -0,0 +1,28 @@
+apiVersion: networking.k8s.io/v1
+kind: NetworkPolicy
+metadata:
+  name: qbittorrent
+  namespace: qbit
+spec:
+  egress:
+    - to:
+        - ipBlock:
+            cidr: 0.0.0.0/0
+            except:
+              - 10.0.0.0/8
+              - 172.16.0.0/12
+              - 192.168.0.0/16
+  ingress:
+    - from:
+        - namespaceSelector:
+            matchLabels:
+              kubernetes.io/metadata.name: traefik
+      ports:
+        - port: 8080
+          protocol: TCP
+  podSelector:
+    matchLabels:
+      app.kubernetes.io/name: qbittorrent
+  policyTypes:
+    - Ingress
+    - Egress

apps/rustbin/kustomization.yaml

@@ -5,3 +5,4 @@ resources:
   - deployment.yaml
   - service.yaml
   - httproute.yaml
+  - networkpolicy.yaml

apps/rustbin/networkpolicy.yaml

@@ -0,0 +1,21 @@
+apiVersion: networking.k8s.io/v1
+kind: NetworkPolicy
+metadata:
+  name: rustbin
+  namespace: rustbin
+spec:
+  egress: []
+  ingress:
+    - from:
+        - namespaceSelector:
+            matchLabels:
+              kubernetes.io/metadata.name: traefik
+      ports:
+        - port: 3000
+          protocol: TCP
+  podSelector:
+    matchLabels:
+      app.kubernetes.io/name: rustbin
+  policyTypes:
+    - Ingress
+    - Egress

apps/wireguard/kustomization.yaml

@@ -7,3 +7,4 @@ resources:
   - service.yaml
   - service-admin.yaml
   - httproute.yaml
+  - networkpolicy.yaml

apps/wireguard/networkpolicy.yaml

@@ -0,0 +1,48 @@
+apiVersion: networking.k8s.io/v1
+kind: NetworkPolicy
+metadata:
+  name: wireguard
+  namespace: wireguard
+spec:
+  egress:
+    - ports:
+        - port: 53
+          protocol: UDP
+        - port: 53
+          protocol: TCP
+      to:
+        - namespaceSelector:
+            matchLabels:
+              kubernetes.io/metadata.name: kube-system
+          podSelector:
+            matchLabels:
+              k8s-app: kube-dns
+    - to:
+        - ipBlock:
+            cidr: 192.168.2.0/24
+        - ipBlock:
+            cidr: 0.0.0.0/0
+            except:
+              - 10.0.0.0/8
+              - 172.16.0.0/12
+              - 192.168.0.0/16
+  ingress:
+    - from:
+        - ipBlock:
+            cidr: 0.0.0.0/0
+      ports:
+        - port: 27299
+          protocol: UDP
+    - from:
+        - namespaceSelector:
+            matchLabels:
+              kubernetes.io/metadata.name: traefik
+      ports:
+        - port: 51821
+          protocol: TCP
+  podSelector:
+    matchLabels:
+      app.kubernetes.io/name: wireguard
+  policyTypes:
+    - Ingress
+    - Egress

argocd-apps/apps/jellyfin.yaml

@@ -30,6 +30,28 @@ spec:
               enabled: true
               type: hostPath
               hostPath: /srv/media
+          # Metadata, artwork, and subtitles come from the internet; the
+          # cluster and the LAN stay off limits
+          networkPolicy:
+            enabled: true
+            ingress:
+              allowExternal: false
+              namespaceSelector:
+                matchLabels:
+                  kubernetes.io/metadata.name: traefik
+            egress:
+              allowAllEgress: false
+              restrictedEgress:
+                allowMetadata: false
+                allowInCluster: false
+              customRules:
+                - to:
+                    - ipBlock:
+                        cidr: 0.0.0.0/0
+                        except:
+                          - 10.0.0.0/8
+                          - 172.16.0.0/12
+                          - 192.168.0.0/16
           resources:
             limits:
               cpu: 3000m