Added script to force delete everything remaining in namespace

scripts/force_delete_ns.sh

@@ -0,0 +1,72 @@
+#!/bin/bash
+###############################################################################
+# Remove all api-resources in namespace and then remove the namespace
+#
+# Query all api-resources in namespace, remove the finalizers and
+# then remove the resource. Finally remove the finalizers on the Namespace and
+# finally remove the namespace.
+#
+# Oracle Consulting Netherlands
+#
+# History
+# -------
+# 2024-05-11, M. van den Akker, Initial Creation
+#
+###############################################################################
+
+export NS=$1
+
+function count_apiresources() {
+  resource=$1
+  ROWS=$(kubectl get $resource -n $NS -o name |wc -l);
+  echo $ROWS
+  return $ROWS
+}
+
+function patch_apiresources(){
+  resource=$1
+  for resource_name in $(kubectl get $resource -n $NS -o name); do
+    echo "Patch $resource $resource_name"
+    kubectl -n $NS patch $resource_name -p '{"metadata":{"finalizers":null}}' --type=merge
+  done
+}
+
+function delete_apiresources(){
+  resource=$1
+  for resource_name in $(kubectl get $resource -n $NS -o name); do
+    echo "Delete $resource $resource_name"
+    kubectl -n $NS delete $resource_name --force
+  done
+}
+
+function patch_delete_apiresources(){
+  API_RESOURCE=$1
+  ROWS=$(count_apiresources $API_RESOURCE)
+  if [ $ROWS -gt 0 ]; then
+    echo Patch $ROWS occurrences of api-resource $API_RESOURCE for $NS to remove finalizers
+    patch_apiresources $API_RESOURCE
+    ROWS=$(count_apiresources $API_RESOURCE)
+    if [ $ROWS -gt 0 ]; then
+      echo Delete $ROWS occurrences of api-resource $API_RESOURCE for $NS
+      delete_apiresources $API_RESOURCE
+    else
+      echo No occurrences of api-resource $API_RESOURCE left.
+    fi
+  else
+    echo No occurrences of api-resource $API_RESOURCE found...
+  fi
+}
+
+for API_RESOURCE in $(kubectl api-resources --no-headers --verbs=list --namespaced -o name); do
+  patch_delete_apiresources $API_RESOURCE
+done
+
+
+echo Patch namespace $NS to clear metadata.finalizers
+kubectl patch ns $NS -p '{"metadata":{"finalizers":null}}'
+echo Patch namespace $NS to clear spec.finalizers
+kubectl patch ns $NS -p '{"spec":{"finalizers":null}}'
+echo Patch namespace $NS to clear metadata.annotations
+kubectl patch ns $NS -p '{"metadata":{"annotations":null}}'
+echo Force delete namespace $NS
+kubectl delete ns $NS --grace-period=0 --force