Support for nested resource pools

I propose to change the logic of defining the target resource pool. In the current logic, nested resource pools cannot be defined, and the virtual machine is deployed in the first pool found by name, nesting is not considered. Issue ansible-collections#1360

plugins/modules/vmware_guest.py

@@ -2884,12 +2884,19 @@ def get_resource_pool(self, cluster=None, host=None, resource_pool=None):
             cluster = None
 
         # get resource pools limiting search to cluster or datacenter
-        resource_pool = find_obj(self.content, [vim.ResourcePool], resource_pool_name, folder=cluster or datacenter)
-        if not resource_pool:
-            if resource_pool_name:
-                self.module.fail_json(msg='Unable to find resource_pool "%s"' % resource_pool_name)
+        resource_pool = find_obj(self.content, [vim.ResourcePool], None, folder=cluster or datacenter)
+        if not resource_pool:   
+            self.module.fail_json(msg='Unable to find resource pool, need esxi_hostname, resource_pool, or cluster')
+        resource_pool_path = resource_pool_name.split('/') if resource_pool_name else []
+        # filter path from empty items
+        rp_path_nodes = list(filter(None, resource_pool_path))
+        for i in range(len(rp_path_nodes)):
+            child = list(filter(lambda x: x.name == rp_path_nodes[i], resource_pool.resourcePool))
+            if len(child) != 1:
+                self.module.fail_json(msg='Unable to find node "%s" in resource pool path "%s"' % (rp_path_nodes[i], resource_pool_name))
+                break
             else:
-                self.module.fail_json(msg='Unable to find resource pool, need esxi_hostname, resource_pool, or cluster')
+                resource_pool = child[0]
         return resource_pool
 
     def deploy_vm(self):