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community.general/plugins/modules/network/cloudengine/ce_is_is_instance.py
Ansible Core Team aebc1b03fd Initial commit
2020-03-09 09:11:07 +00:00

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#!/usr/bin/python
# -*- coding: utf-8 -*-
# Copyright 2019 Red Hat
# 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': 'community'}
DOCUMENTATION = r'''
---
module: ce_is_is_instance
author: xuxiaowei0512 (@CloudEngine-Ansible)
short_description: Manages isis process id configuration on HUAWEI CloudEngine devices.
description:
- Manages isis process id, creates a isis instance id or deletes a process id on HUAWEI CloudEngine devices.
notes:
- This module requires the netconf system service be enabled on the remote device being managed.
- This module works with connection C(netconf).
options:
instance_id:
description:
- Specifies the id of a isis process.The value is a number of 1 to 4294967295.
required: true
type: int
vpn_name:
description:
- VPN Instance, associate the VPN instance with the corresponding IS-IS process.
type: str
state:
description:
- Determines whether the config should be present or not on the device.
default: present
type: str
choices: ['present', 'absent']
'''
EXAMPLES = r'''
- name: Set isis process
ce_is_is_instance:
instance_id: 3
state: present
- name: Unset isis process
ce_is_is_instance:
instance_id: 3
state: absent
- name: check isis process
ce_is_is_instance:
instance_id: 4294967296
state: present
- name: Set vpn name
ce_is_is_instance:
instance_id: 22
vpn_name: vpn1
state: present
- name: check vpn name
ce_is_is_instance:
instance_id: 22
vpn_name: vpn1234567896321452212221556asdasdasdasdsadvdv
state: present
'''
RETURN = r'''
proposed:
description: k/v pairs of parameters passed into module
returned: always
type: dict
sample: {
"instance_id": 1,
"vpn_name": null
}
existing:
description: k/v pairs of existing configuration
returned: always
type: dict
sample: {
"session": {}
}
end_state:
description: k/v pairs of configuration after module execution
returned: always
type: dict
sample: {
"session": {
"instance_id": 1,
"vpn_name": null
}
}
updates:
description: commands sent to the device
returned: always
type: list
sample: [
"isis 1"
]
changed:
description: check to see if a change was made on the device
returned: always
type: bool
sample: true
'''
from xml.etree import ElementTree
from ansible.module_utils.basic import AnsibleModule
from ansible_collections.community.general.plugins.module_utils.network.cloudengine.ce import get_nc_config, set_nc_config
CE_NC_GET_ISIS = """
<filter type="subtree">
<isiscomm xmlns="http://www.huawei.com/netconf/vrp" content-version="1.0" format-version="1.0">
%s
</isiscomm>
</filter>
"""
CE_NC_GET_ISIS_INSTANCE = """
<isSites>
<isSite>
<instanceId>%s</instanceId>
<vpnName></vpnName>
</isSite>
</isSites>
"""
def is_valid_ip_vpn(vpname):
"""check ip vpn"""
if not vpname:
return False
if vpname == "_public_":
return False
if len(vpname) < 1 or len(vpname) > 31:
return False
return True
class ISIS_Instance(object):
"""Manages ISIS Instance"""
def __init__(self, argument_spec):
self.spec = argument_spec
self.module = None
self.__init_module__()
# module input info
self.instance_id = self.module.params['instance_id']
self.vpn_name = self.module.params['vpn_name']
self.state = self.module.params['state']
# state
self.changed = False
self.isis_dict = dict()
self.updates_cmd = list()
self.commands = list()
self.results = dict()
self.proposed = dict()
self.existing = dict()
self.end_state = dict()
def __init_module__(self):
"""init module"""
self.module = AnsibleModule(
argument_spec=self.spec, supports_check_mode=True)
def get_isis_dict(self):
"""isis config dict"""
isis_dict = dict()
isis_dict["instance"] = dict()
conf_str = CE_NC_GET_ISIS % (
(CE_NC_GET_ISIS_INSTANCE % self.instance_id))
xml_str = get_nc_config(self.module, conf_str)
if "<data/>" in xml_str:
return isis_dict
xml_str = xml_str.replace('\r', '').replace('\n', '').\
replace('xmlns="urn:ietf:params:xml:ns:netconf:base:1.0"', "").\
replace('xmlns="http://www.huawei.com/netconf/vrp"', "")
root = ElementTree.fromstring(xml_str)
# get isis info
glb = root.find("isiscomm/isSites/isSite")
if glb:
for attr in glb:
isis_dict["instance"][attr.tag] = attr.text
return isis_dict
def config_session(self):
"""configures isis"""
xml_str = ""
instance = self.isis_dict["instance"]
if not self.instance_id:
return xml_str
if self.state == "present":
xml_str = "<instanceId>%s</instanceId>" % self.instance_id
self.updates_cmd.append("isis %s" % self.instance_id)
if self.vpn_name:
xml_str += "<vpnName>%s</vpnName>" % self.vpn_name
self.updates_cmd.append("vpn-instance %s" % self.vpn_name)
else:
# absent
if self.instance_id and str(self.instance_id) == instance.get("instanceId"):
xml_str = "<instanceId>%s</instanceId>" % self.instance_id
self.updates_cmd.append("undo isis %s" % self.instance_id)
if self.state == "present":
return '<isSites><isSite operation="merge">' + xml_str + '</isSite></isSites>'
else:
if xml_str:
return '<isSites><isSite operation="delete">' + xml_str + '</isSite></isSites>'
def netconf_load_config(self, xml_str):
"""load isis config by netconf"""
if not xml_str:
return
xml_cfg = """
<config>
<isiscomm xmlns="http://www.huawei.com/netconf/vrp" content-version="1.0" format-version="1.0">
%s
</isiscomm>
</config>""" % xml_str
set_nc_config(self.module, xml_cfg)
self.changed = True
def check_params(self):
"""Check all input params"""
# check instance id
if not self.instance_id:
self.module.fail_json(msg="Error: Missing required arguments: instance_id.")
if self.instance_id:
if self.instance_id < 1 or self.instance_id > 4294967295:
self.module.fail_json(msg="Error: Instance id is not ranges from 1 to 4294967295.")
# check vpn_name
if self.vpn_name:
if not is_valid_ip_vpn(self.vpn_name):
self.module.fail_json(msg="Error: Session vpn_name is invalid.")
def get_proposed(self):
"""get proposed info"""
# base config
self.proposed["instance_id"] = self.instance_id
self.proposed["vpn_name"] = self.vpn_name
self.proposed["state"] = self.state
def get_existing(self):
"""get existing info"""
if not self.isis_dict:
self.existing["instance"] = None
self.existing["instance"] = self.isis_dict.get("instance")
def get_end_state(self):
"""get end state info"""
isis_dict = self.get_isis_dict()
if not isis_dict:
self.end_state["instance"] = None
self.end_state["instance"] = isis_dict.get("instance")
if self.end_state == self.existing:
self.changed = False
def work(self):
"""worker"""
self.check_params()
self.isis_dict = self.get_isis_dict()
self.get_existing()
self.get_proposed()
# deal present or absent
xml_str = ''
if self.instance_id:
cfg_str = self.config_session()
if cfg_str:
xml_str += cfg_str
# update to device
if xml_str:
self.netconf_load_config(xml_str)
self.changed = True
self.get_end_state()
self.results['changed'] = self.changed
self.results['proposed'] = self.proposed
self.results['existing'] = self.existing
self.results['end_state'] = self.end_state
if self.changed:
self.results['updates'] = self.updates_cmd
else:
self.results['updates'] = list()
self.module.exit_json(**self.results)
def main():
"""Module main"""
argument_spec = dict(
instance_id=dict(required=True, type='int'),
vpn_name=dict(required=False, type='str'),
state=dict(required=False, default='present', choices=['present', 'absent'])
)
module = ISIS_Instance(argument_spec)
module.work()
if __name__ == '__main__':
main()
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