text: #!/usr/bin/python
  
  # (c) 2018, NetApp, Inc
  # GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
  
  from __future__ import absolute_import, division, print_function
  __metaclass__ = type
  
  
  ANSIBLE_METADATA = {'metadata_version': '1.1',
                      'status': ['preview'],
                      'supported_by': 'certified'}
  
  DOCUMENTATION = '''
  module: na_ontap_node
  short_description: NetApp ONTAP Rename a node.
  extends_documentation_fragment:
      - netapp.na_ontap
  version_added: '2.7'
  author: NetApp Ansible Team (@carchi8py) <ng-ansibleteam@netapp.com>
  description:
  - Rename an ONTAP node.
  options:
    name:
      description:
      - The new name for the node
      required: true
  
    from_name:
      description:
      - The name of the node to be renamed.  If I(name) already exists, no action will be performed.
      required: true
  
  '''
  
  EXAMPLES = """
  - name: rename node
    na_ontap_node:
      hostname: "{{ netapp_hostname }}"
      username: "{{ netapp_username }}"
      password: "{{ netapp_password }}"
      from_name: laurentn-vsim1
      name: laurentncluster-2
  """
  
  RETURN = """
  
  """
  import traceback
  
  from ansible.module_utils.basic import AnsibleModule
  from ansible.module_utils._text import to_native
  import ansible.module_utils.netapp as netapp_utils
  from ansible.module_utils.netapp_module import NetAppModule
  
  HAS_NETAPP_LIB = netapp_utils.has_netapp_lib()
  
  
  class NetAppOntapNode(object):
      """
      Rename node
      """
  
      def __init__(self):
          self.argument_spec = netapp_utils.na_ontap_host_argument_spec()
          self.argument_spec.update(dict(
              name=dict(required=True, type='str'),
              from_name=dict(required=True, type='str'),
          ))
  
          self.module = AnsibleModule(
              argument_spec=self.argument_spec,
              supports_check_mode=True
          )
  
          self.na_helper = NetAppModule()
          self.parameters = self.na_helper.set_parameters(self.module.params)
  
          if HAS_NETAPP_LIB is False:
              self.module.fail_json(msg="the python NetApp-Lib module is required")
          else:
              self.cluster = netapp_utils.setup_na_ontap_zapi(module=self.module)
          return
  
      def rename_node(self):
          """
          Rename an existing node
          :return: none
          """
          node_obj = netapp_utils.zapi.NaElement('system-node-rename')
          node_obj.add_new_child('node', self.parameters['from_name'])
          node_obj.add_new_child('new-name', self.parameters['name'])
          try:
              self.cluster.invoke_successfully(node_obj, True)
          except netapp_utils.zapi.NaApiError as error:
              self.module.fail_json(msg='Error creating node: %s' %
                                    (to_native(error)),
                                    exception=traceback.format_exc())
  
      def get_node(self, name):
          node_obj = netapp_utils.zapi.NaElement('system-node-get')
          node_obj.add_new_child('node', name)
          try:
              self.cluster.invoke_successfully(node_obj, True)
          except netapp_utils.zapi.NaApiError as error:
              if to_native(error.code) == "13115":
                  # 13115 (EINVALIDINPUTERROR) if the node does not exist
                  return None
              else:
                  self.module.fail_json(msg=to_native(
                      error), exception=traceback.format_exc())
          return True
  
      def apply(self):
          # logging ems event
          results = netapp_utils.get_cserver(self.cluster)
          cserver = netapp_utils.setup_na_ontap_zapi(module=self.module, vserver=results)
          netapp_utils.ems_log_event("na_ontap_node", cserver)
  
          exists = self.get_node(self.parameters['name'])
          from_exists = self.get_node(self.parameters['from_name'])
          changed = False
          if exists:
              pass
          else:
              if from_exists:
                  self.rename_node()
                  changed = True
              else:
                  self.module.fail_json(msg='Error renaming node, from_name %s does not exist' % self.parameters['from_name'])
  
          self.module.exit_json(changed=changed)
  
  
  def main():
      """
      Start, Stop and Enable node services.
      """
      obj = NetAppOntapNode()
      obj.apply()
  
  
  if __name__ == '__main__':
      main()
  