feat: sync runtime secrets from doppler

infrastructure/addons/flux-ui/cluster-user-auth-externalsecret.yaml

@@ -0,0 +1,25 @@
+apiVersion: external-secrets.io/v1
+kind: ExternalSecret
+metadata:
+  name: cluster-user-auth
+  namespace: flux-system
+spec:
+  refreshInterval: 1h
+  secretStoreRef:
+    name: doppler-hetznerterra
+    kind: ClusterSecretStore
+  target:
+    name: cluster-user-auth
+    creationPolicy: Owner
+    template:
+      type: Opaque
+      data:
+        username: "{{ .fluxAdminUsername }}"
+        password: "{{ .fluxAdminPasswordHash }}"
+  data:
+    - secretKey: fluxAdminUsername
+      remoteRef:
+        key: WEAVE_GITOPS_ADMIN_USERNAME
+    - secretKey: fluxAdminPasswordHash
+      remoteRef:
+        key: WEAVE_GITOPS_ADMIN_PASSWORD_BCRYPT_HASH