chore(argocd): prevent namespace deletion

As things move around something might be deleted. If the namespace is
deleted however then everything gets deleted. Let's just be a little bit
safe out of the box.

Author: cardoe

apps/appsets/appset-understack-infra.yaml

@@ -97,6 +97,10 @@ spec:
           - CreateNamespace=true
           - ServerSideApply=true
           - RespectIgnoreDifferences=true
+        managedNamespaceMetadata:
+          annotations:
+            # ArgoCD can create our namespace but let's not delete it
+            argocd.argoproj.io/sync-options: Delete=false
   templatePatch: |
     spec:
       sources:

apps/appsets/appset-understack-operators.yaml

@@ -155,6 +155,10 @@ spec:
           - CreateNamespace=true
           - ServerSideApply=true
           - RespectIgnoreDifferences=true
+        managedNamespaceMetadata:
+          annotations:
+            # ArgoCD can create our namespace but let's not delete it
+            argocd.argoproj.io/sync-options: Delete=false
   templatePatch: |
     spec:
       sources:

apps/appsets/components.yaml

@@ -248,6 +248,10 @@ spec:
           - CreateNamespace=true
           - ServerSideApply=true
           - RespectIgnoreDifferences=true
+        managedNamespaceMetadata:
+          annotations:
+            # ArgoCD can create our namespace but let's not delete it
+            argocd.argoproj.io/sync-options: Delete=false
   templatePatch: |
     spec:
       {{- if hasKey . "source" }}

apps/appsets/openstack.yaml

@@ -99,6 +99,9 @@ spec:
           - ServerSideApply=true
           - RespectIgnoreDifferences=true
         managedNamespaceMetadata:
+          annotations:
+            # ArgoCD can create our namespace but let's not delete it
+            argocd.argoproj.io/sync-options: Delete=false
           labels:
             kubernetes.io/metadata.name: openstack
             name: openstack