Update post-delete script and Add README.md

charts/rancher/scripts/post-delete-hook.sh

@@ -78,6 +78,7 @@ done
 
 echo "Removing Rancher bootstrap secret in the following namespace: ${rancher_namespace}"
 kubectl --ignore-not-found=true delete secret bootstrap-secret -n "${rancher_namespace}"
+kubectl --ignore-not-found=true delete secret tls-ca -n ${rancher_namespace}
 
 echo "------ Summary ------"
 if [[ ${#succeeded[@]} -ne 0 ]]; then
@@ -92,3 +93,27 @@ if [[ ${#failed[@]} -ne 0 ]]; then
 else
   echo "Cleanup finished successfully."
 fi
+
+
+for ns in $(kubectl get namespaces -o jsonpath='{.items[*].metadata.name}'); do
+    # Remove finalizers from the namespace itself
+    kubectl patch namespace "$ns" -p '{"metadata":{"finalizers":[]}}' --type=merge
+
+    # Remove finalizers from all roles in the namespace
+    for role in $(kubectl get roles -n "$ns" -o jsonpath='{.items[*].metadata.name}'); do
+        kubectl patch role "$role" -n "$ns" -p '{"metadata":{"finalizers":[]}}' --type=merge
+    done
+
+    # Remove finalizers from all rolebindings in the namespace
+    for rolebinding in $(kubectl get rolebindings -n $ns -o jsonpath='{.items[*].metadata.name}'); do
+        kubectl patch rolebinding "$rolebinding" -n "$ns" -p '{"metadata":{"finalizers":[]}}' --type=merge
+    done
+done
+
+for cr in $(kubectl get clusterroles -o jsonpath='{.items[*].metadata.name}'); do
+    kubectl patch clusterrole "$cr" -p '{"metadata":{"finalizers":[]}}' --type=merge
+done
+
+for crb in $(kubectl get clusterrolebindings -o jsonpath='{.items[*].metadata.name}'); do
+    kubectl patch clusterrolebinding "$crb" -p '{"metadata":{"finalizers":[]}}' --type=merge
+done