mirror of
https://github.com/thegeeklab/ansible-later.git
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239 lines
8.0 KiB
Python
239 lines
8.0 KiB
Python
#!/usr/bin/python
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#
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# Copyright: Ansible Project
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# GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
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from __future__ import absolute_import, division, print_function
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__metaclass__ = type
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ANSIBLE_METADATA = {'metadata_version': '1.1',
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'status': ['preview'],
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'supported_by': 'community'}
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DOCUMENTATION = """
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---
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module: onyx_ospf
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version_added: "2.5"
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author: "Samer Deeb (@samerd)"
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short_description: Manage OSPF protocol on Mellanox ONYX network devices
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description:
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- This module provides declarative management and configuration of OSPF
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protocol on Mellanox ONYX network devices.
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notes:
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- Tested on ONYX 3.6.4000
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options:
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ospf:
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description:
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- "OSPF instance number 1-65535"
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required: true
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router_id:
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description:
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- OSPF router ID. Required if I(state=present).
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interfaces:
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description:
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- List of interfaces and areas. Required if I(state=present).
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suboptions:
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name:
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description:
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- Intrface name.
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required: true
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area:
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description:
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- OSPF area.
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required: true
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state:
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description:
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- OSPF state.
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default: present
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choices: ['present', 'absent']
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"""
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EXAMPLES = """
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- name: add ospf router to interface
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onyx_ospf:
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ospf: 2
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router_id: 192.168.8.2
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interfaces:
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- name: Eth1/1
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- area: 0.0.0.0
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"""
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RETURN = """
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commands:
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description: The list of configuration mode commands to send to the device.
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returned: always
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type: list
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sample:
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- router ospf 2
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- router-id 192.168.8.2
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- exit
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- interface ethernet 1/1 ip ospf area 0.0.0.0
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"""
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import re
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from ansible.module_utils.basic import AnsibleModule
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from ansible.module_utils.six import iteritems
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from ansible.module_utils.network.onyx.onyx import BaseOnyxModule
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from ansible.module_utils.network.onyx.onyx import show_cmd
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class OnyxOspfModule(BaseOnyxModule):
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OSPF_IF_REGEX = re.compile(
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r'^(Loopback\d+|Eth\d+\/\d+|Vlan\d+|Po\d+)\s+(\S+).*')
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OSPF_ROUTER_REGEX = re.compile(r'^Routing Process (\d+).*ID\s+(\S+).*')
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@classmethod
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def _get_element_spec(cls):
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interface_spec = dict(
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name=dict(required=True),
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area=dict(required=True),
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)
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element_spec = dict(
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ospf=dict(type='int', required=True),
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router_id=dict(),
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interfaces=dict(type='list', elements='dict',
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options=interface_spec),
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state=dict(choices=['present', 'absent'], default='present'),
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)
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return element_spec
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def init_module(self):
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""" Ansible module initialization
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"""
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element_spec = self._get_element_spec()
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argument_spec = dict()
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argument_spec.update(element_spec)
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self._module = AnsibleModule(
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argument_spec=argument_spec,
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supports_check_mode=True)
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def validate_ospf(self, value):
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if value and not 1 <= int(value) <= 65535:
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self._module.fail_json(msg='ospf id must be between 1 and 65535')
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def get_required_config(self):
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module_params = self._module.params
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self._required_config = dict(
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ospf=module_params['ospf'],
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router_id=module_params['router_id'],
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state=module_params['state'],
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)
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interfaces = module_params['interfaces'] or list()
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req_interfaces = self._required_config['interfaces'] = dict()
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for interface_data in interfaces:
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req_interfaces[interface_data['name']] = interface_data['area']
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self.validate_param_values(self._required_config)
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def _update_ospf_data(self, ospf_data):
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match = self.OSPF_ROUTER_REGEX.match(ospf_data)
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if match:
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ospf_id = int(match.group(1))
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router_id = match.group(2)
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self._current_config['ospf'] = ospf_id
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self._current_config['router_id'] = router_id
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def _update_ospf_interfaces(self, ospf_interfaces):
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interfaces = self._current_config['interfaces'] = dict()
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lines = ospf_interfaces.split('\n')
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for line in lines:
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line = line.strip()
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match = self.OSPF_IF_REGEX.match(line)
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if match:
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name = match.group(1)
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area = match.group(2)
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for prefix in ("Vlan", "Loopback"):
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if name.startswith(prefix):
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name = name.replace(prefix, prefix + ' ')
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interfaces[name] = area
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def _get_ospf_config(self, ospf_id):
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cmd = 'show ip ospf %s | include Process' % ospf_id
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return show_cmd(self._module, cmd, json_fmt=False, fail_on_error=False)
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def _get_ospf_interfaces_config(self, ospf_id):
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cmd = 'show ip ospf interface %s brief' % ospf_id
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return show_cmd(self._module, cmd, json_fmt=False, fail_on_error=False)
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def load_current_config(self):
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# called in base class in run function
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ospf_id = self._required_config['ospf']
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self._current_config = dict()
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ospf_data = self._get_ospf_config(ospf_id)
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if ospf_data:
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self._update_ospf_data(ospf_data)
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ospf_interfaces = self._get_ospf_interfaces_config(ospf_id)
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if ospf_interfaces:
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self._update_ospf_interfaces(ospf_interfaces)
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def _generate_no_ospf_commands(self):
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req_ospf_id = self._required_config['ospf']
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curr_ospf_id = self._current_config.get('ospf')
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if curr_ospf_id == req_ospf_id:
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cmd = 'no router ospf %s' % req_ospf_id
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self._commands.append(cmd)
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def _get_interface_command_name(self, if_name):
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if if_name.startswith('Eth'):
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return if_name.replace("Eth", "ethernet ")
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if if_name.startswith('Po'):
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return if_name.replace("Po", "port-channel ")
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if if_name.startswith('Vlan'):
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return if_name.replace("Vlan", "vlan")
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if if_name.startswith('Loopback'):
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return if_name.replace("Loopback", "loopback")
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self._module.fail_json(
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msg='invalid interface name: %s' % if_name)
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def _get_interface_area_cmd(self, if_name, area):
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interface_prefix = self._get_interface_command_name(if_name)
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if area:
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area_cmd = 'ip ospf area %s' % area
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else:
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area_cmd = 'no ip ospf area'
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cmd = 'interface %s %s' % (interface_prefix, area_cmd)
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return cmd
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def _generate_ospf_commands(self):
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req_router_id = self._required_config['router_id']
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req_ospf_id = self._required_config['ospf']
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curr_router_id = self._current_config.get('router_id')
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curr_ospf_id = self._current_config.get('ospf')
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if curr_ospf_id != req_ospf_id or req_router_id != curr_router_id:
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cmd = 'router ospf %s' % req_ospf_id
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self._commands.append(cmd)
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if req_router_id != curr_router_id:
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if req_router_id:
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cmd = 'router-id %s' % req_router_id
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else:
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cmd = 'no router-id'
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self._commands.append(cmd)
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self._commands.append('exit')
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req_interfaces = self._required_config['interfaces']
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curr_interfaces = self._current_config.get('interfaces', dict())
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for if_name, area in iteritems(req_interfaces):
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curr_area = curr_interfaces.get(if_name)
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if curr_area != area:
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cmd = self._get_interface_area_cmd(if_name, area)
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self._commands.append(cmd)
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for if_name in curr_interfaces:
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if if_name not in req_interfaces:
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cmd = self._get_interface_area_cmd(if_name, None)
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self._commands.append(cmd)
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def generate_commands(self):
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req_state = self._required_config['state']
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if req_state == 'absent':
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return self._generate_no_ospf_commands()
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return self._generate_ospf_commands()
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def main():
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""" main entry point for module execution
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"""
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OnyxOspfModule.main()
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if __name__ == '__main__':
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main()
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