chore(add-ons): Let Image Updater read GHCR

add-ons/argocd-image-updater/applications.yaml

@@ -1,3 +1,5 @@
+# Rolls out each push of :latest by pinning its digest on the Application, so
+# CI never commits a tag
 apiVersion: argocd-image-updater.argoproj.io/v1alpha1
 kind: ImageUpdater
 metadata:

add-ons/argocd-image-updater/kustomization.yaml

@@ -1,5 +1,6 @@
 apiVersion: kustomize.config.k8s.io/v1beta1
 kind: Kustomization
 resources:
+  - applications.yaml
   - ghcr-sealedsecret.yaml
-  - pixelos-applications.yaml
+  - networkpolicy.yaml

add-ons/argocd-image-updater/networkpolicy.yaml

@@ -0,0 +1,37 @@
+# DNS, the API, and container registries over HTTPS; kubelet probes the
+# health port
+apiVersion: networking.k8s.io/v1
+kind: NetworkPolicy
+metadata:
+  name: argocd-image-updater
+  namespace: argocd
+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: 6443
+          protocol: TCP
+    - ports:
+        - port: 443
+          protocol: TCP
+  ingress:
+    - ports:
+        - port: 8081
+          protocol: TCP
+  podSelector:
+    matchLabels:
+      app.kubernetes.io/name: argocd-image-updater
+  policyTypes:
+    - Ingress
+    - Egress

argocd-apps/apps/applications.yaml

@@ -11,6 +11,7 @@ spec:
     namespace: pixelos
     server: https://kubernetes.default.svc
   project: default
+  # Private; read with the applications-repo deploy key
   source:
     path: k8s
     repoURL: [email protected]:PixelOS-CI/applications.git

argocd-apps/apps/kustomization.yaml

@@ -1,6 +1,7 @@
 apiVersion: kustomize.config.k8s.io/v1beta1
 kind: Kustomization
 resources:
+  - applications.yaml
   - applications-repo-sealedsecret.yaml
   - bentopdf.yaml
   - betterslcm.yaml
@@ -8,7 +9,6 @@ resources:
   - garage-ui.yaml
   - jellyfin.yaml
   - pgweb.yaml
-  - pixelos-applications.yaml
   - qbit.yaml
   - redoost.yaml
   - rustbin.yaml