From e42a9ba6c6e2d9d15587a54c9ef40e130713382d Mon Sep 17 00:00:00 2001
From: Karan Parashar <whyredfire@gmail.com>
Date: Thu, 5 Nov 2026 20:16:35 +0530
Subject: [PATCH] chore(add-ons): Add Argo CD Image Updater

---
 .../argocd-image-updater/kustomization.yaml   |  4 ++
 .../argocd-image-updater/networkpolicy.yaml   | 37 +++++++++++++++++++
 argocd-apps/add-ons/argocd-image-updater.yaml | 35 ++++++++++++++++++
 argocd-apps/add-ons/kustomization.yaml        |  1 +
 4 files changed, 77 insertions(+)
 create mode 100644 add-ons/argocd-image-updater/kustomization.yaml
 create mode 100644 add-ons/argocd-image-updater/networkpolicy.yaml
 create mode 100644 argocd-apps/add-ons/argocd-image-updater.yaml

diff --git a/add-ons/argocd-image-updater/kustomization.yaml b/add-ons/argocd-image-updater/kustomization.yaml
new file mode 100644
index 0000000..b90ff79
--- /dev/null
+++ b/add-ons/argocd-image-updater/kustomization.yaml
@@ -0,0 +1,4 @@
+apiVersion: kustomize.config.k8s.io/v1beta1
+kind: Kustomization
+resources:
+  - networkpolicy.yaml
diff --git a/add-ons/argocd-image-updater/networkpolicy.yaml b/add-ons/argocd-image-updater/networkpolicy.yaml
new file mode 100644
index 0000000..65bf81d
--- /dev/null
+++ b/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
diff --git a/argocd-apps/add-ons/argocd-image-updater.yaml b/argocd-apps/add-ons/argocd-image-updater.yaml
new file mode 100644
index 0000000..62a268d
--- /dev/null
+++ b/argocd-apps/add-ons/argocd-image-updater.yaml
@@ -0,0 +1,35 @@
+apiVersion: argoproj.io/v1alpha1
+kind: Application
+metadata:
+  annotations:
+    argocd.argoproj.io/client-side-apply-migration-manager: argocd-controller
+    argocd.argoproj.io/sync-wave: "1"
+  name: argocd-image-updater
+  namespace: argocd
+spec:
+  destination:
+    namespace: argocd
+    server: https://kubernetes.default.svc
+  project: default
+  sources:
+    - chart: argocd-image-updater
+      repoURL: https://argoproj.github.io/argo-helm
+      targetRevision: 1.4.0
+      helm:
+        values: |
+          resources:
+            limits:
+              cpu: 200m
+              memory: 256Mi
+            requests:
+              cpu: 10m
+              memory: 64Mi
+    - path: add-ons/argocd-image-updater
+      repoURL: https://gitea.whyredfire.dev/whyredfire/gitops.git
+      targetRevision: main
+  syncPolicy:
+    automated:
+      prune: true
+      selfHeal: true
+    syncOptions:
+      - ServerSideApply=true
diff --git a/argocd-apps/add-ons/kustomization.yaml b/argocd-apps/add-ons/kustomization.yaml
index f222c2f..55ae8a9 100644
--- a/argocd-apps/add-ons/kustomization.yaml
+++ b/argocd-apps/add-ons/kustomization.yaml
@@ -3,6 +3,7 @@ kind: Kustomization
 resources:
   - alloy.yaml
   - argocd-dashboard.yaml
+  - argocd-image-updater.yaml
   - authentik.yaml
   - cert-manager.yaml
   - cnpg.yaml