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Contributing lib/ansible/modules/network/cloudengine/ce_vlan.py module to manage HUAWEI data center CloudEngine (#22076)

Browse Source 
* add ce_vlan.py

* metadata_version update

* fix review issues

* Update ce_vlan.py

* fix check issue

required_if not work well when the option value is "not None"
pull/24799/head
QijunPan 8 years ago committed by John R Barker
parent fb54e47491
commit cb75f2a43d
1 changed files with 690 additions and 0 deletions
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lib/ansible/modules/network/cloudengine/ce_vlan.py
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#!/usr/bin/python
#
# This file is part of Ansible
#
# Ansible is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# Ansible is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with Ansible. If not, see <http://www.gnu.org/licenses/>.
#
ANSIBLE_METADATA = {'status': ['preview'],
'supported_by': 'community',
'metadata_version': '1.0'}
DOCUMENTATION = '''
---
module: ce_vlan
version_added: "2.4"
short_description: Manages VLAN resources and attributes on Huawei CloudEngine switches.
description:
- Manages VLAN configurations on Huawei CloudEngine switches.
author: QijunPan (@CloudEngine-Ansible)
options:
vlan_id:
description:
- Single VLAN ID, in the range from 1 to 4094.
required: false
default: null
vlan_range:
description:
- Range of VLANs such as C(2-10) or C(2,5,10-15), etc.
required: false
default: null
name:
description:
- Name of VLAN, in the range from 1 to 31.
required: false
default: null
description:
description:
- Specify VLAN description, in the range from 1 to 80.
required: false
default: null
state:
description:
- Manage the state of the resource.
required: false
default: present
choices: ['present','absent']
'''
EXAMPLES = '''
- name: vlan module test
hosts: cloudengine
connection: local
gather_facts: no
vars:
cli:
host: "{{ inventory_hostname }}"
port: "{{ ansible_ssh_port }}"
username: "{{ username }}"
password: "{{ password }}"
transport: cli
tasks:
- name: Ensure a range of VLANs are not present on the switch
ce_vlan:
vlan_range: "2-10,20,50,55-60,100-150"
state: absent
provider: "{{ cli }}"
- name: Ensure VLAN 50 exists with the name WEB
ce_vlan:
vlan_id: 50
name: WEB
state: absent
provider: "{{ cli }}"
- name: Ensure VLAN is NOT on the device
ce_vlan:
vlan_id: 50
state: absent
provider: "{{ cli }}"
'''
RETURN = '''
proposed_vlans_list:
description: list of VLANs being proposed
returned: always
type: list
sample: ["100"]
existing_vlans_list:
description: list of existing VLANs on the switch prior to making changes
returned: always
type: list
sample: ["1", "2", "3", "4", "5", "20"]
end_state_vlans_list:
description: list of VLANs after the module is executed
returned: always
type: list
sample: ["1", "2", "3", "4", "5", "20", "100"]
proposed:
description: k/v pairs of parameters passed into module (does not include
vlan_id or vlan_range)
returned: always
type: dict
sample: {"vlan_id":"20", "name": "VLAN_APP", "description": "vlan for app" }
existing:
description: k/v pairs of existing vlan or null when using vlan_range
returned: always
type: dict
sample: {"vlan_id":"20", "name": "VLAN_APP", "description": "" }
end_state:
description: k/v pairs of the VLAN after executing module or null
when using vlan_range
returned: always
type: dict
sample: {"vlan_id":"20", "name": "VLAN_APP", "description": "vlan for app" }
updates:
description: command string sent to the device
returned: always
type: list
sample: ["vlan 20", "name VLAN20"]
changed:
description: check to see if a change was made on the device
returned: always
type: boolean
sample: true
'''
import re
from ansible.module_utils.basic import AnsibleModule
from ansible.module_utils.ce import get_nc_config, set_nc_config, execute_nc_action, ce_argument_spec
CE_NC_CREATE_VLAN = """
<config>
<vlan xmlns="http://www.huawei.com/netconf/vrp" content-version="1.0" format-version="1.0">
<vlans>
<vlan operation="create">
<vlanId>%s</vlanId>
<vlanName>%s</vlanName>
<vlanDesc>%s</vlanDesc>
<vlanType></vlanType>
<subVlans/>
</vlan>
</vlans>
</vlan>
</config>
"""
CE_NC_DELETE_VLAN = """
<config>
<vlan xmlns="http://www.huawei.com/netconf/vrp" content-version="1.0" format-version="1.0">
<vlans>
<vlan operation="delete">
<vlanId>%s</vlanId>
</vlan>
</vlans>
</vlan>
</config>
"""
CE_NC_MERGE_VLAN_DES = """
<config>
<vlan xmlns="http://www.huawei.com/netconf/vrp" content-version="1.0" format-version="1.0">
<vlans>
<vlan operation="merge">
<vlanId>%s</vlanId>
<vlanDesc>%s</vlanDesc>
<vlanType></vlanType>
<subVlans/>
</vlan>
</vlans>
</vlan>
</config>
"""
CE_NC_MERGE_VLAN_NAME = """
<config>
<vlan xmlns="http://www.huawei.com/netconf/vrp" content-version="1.0" format-version="1.0">
<vlans>
<vlan operation="merge">
<vlanId>%s</vlanId>
<vlanName>%s</vlanName>
<vlanType></vlanType>
<subVlans/>
</vlan>
</vlans>
</vlan>
</config>
"""
CE_NC_MERGE_VLAN = """
<config>
<vlan xmlns="http://www.huawei.com/netconf/vrp" content-version="1.0" format-version="1.0">
<vlans>
<vlan operation="merge">
<vlanId>%s</vlanId>
<vlanName>%s</vlanName>
<vlanDesc>%s</vlanDesc>
<vlanType></vlanType>
<subVlans/>
</vlan>
</vlans>
</vlan>
</config>
"""
CE_NC_GET_VLAN = """
<filter type="subtree">
<vlan xmlns="http://www.huawei.com/netconf/vrp" content-version="1.0" format-version="1.0">
<vlans>
<vlan>
<vlanId>%s</vlanId>
<vlanDesc/>
<vlanName/>
</vlan>
</vlans>
</vlan>
</filter>
"""
CE_NC_GET_VLANS = """
<filter type="subtree">
<vlan xmlns="http://www.huawei.com/netconf/vrp" content-version="1.0" format-version="1.0">
<vlans>
<vlan>
<vlanId/>
<vlanName/>
</vlan>
</vlans>
</vlan>
</filter>
"""
CE_NC_CREATE_VLAN_BATCH = """
<action>
<vlan xmlns="http://www.huawei.com/netconf/vrp" content-version="1.0" format-version="1.0">
<shVlanBatchCrt>
<vlans>%s:%s</vlans>
</shVlanBatchCrt>
</vlan>
</action>
"""
CE_NC_DELETE_VLAN_BATCH = """
<action>
<vlan xmlns="http://www.huawei.com/netconf/vrp" content-version="1.0" format-version="1.0">
<shVlanBatchDel>
<vlans>%s:%s</vlans>
</shVlanBatchDel>
</vlan>
</action>
"""
class Vlan(object):
"""
Manages VLAN resources and attributes
"""
def __init__(self, argument_spec):
self.spec = argument_spec
self.module = None
self.init_module()
# vlan config info
self.vlan_id = self.module.params['vlan_id']
self.vlan_range = self.module.params['vlan_range']
self.name = self.module.params['name']
self.description = self.module.params['description']
self.state = self.module.params['state']
# state
self.changed = False
self.vlan_exist = False
self.vlan_attr_exist = None
self.vlans_list_exist = list()
self.vlans_list_change = list()
self.updates_cmd = list()
self.results = dict()
self.vlan_attr_end = dict()
def init_module(self):
"""
init ansilbe NetworkModule.
"""
required_one_of = [["vlan_id", "vlan_range"]]
mutually_exclusive = [["vlan_id", "vlan_range"]]
self.module = AnsibleModule(
argument_spec=self.spec,
required_one_of=required_one_of,
mutually_exclusive=mutually_exclusive,
supports_check_mode=True)
def check_response(self, xml_str, xml_name):
"""Check if response message is already succeed."""
if "<ok/>" not in xml_str:
self.module.fail_json(msg='Error: %s failed.' % xml_name)
def config_vlan(self, vlan_id, name='', description=''):
"""Create vlan."""
if name is None:
name = ''
if description is None:
description = ''
conf_str = CE_NC_CREATE_VLAN % (vlan_id, name, description)
recv_xml = set_nc_config(self.module, conf_str)
self.check_response(recv_xml, "CREATE_VLAN")
self.changed = True
def merge_vlan(self, vlan_id, name, description):
"""Merge vlan."""
conf_str = None
if not name and description:
conf_str = CE_NC_MERGE_VLAN_DES % (vlan_id, description)
if not description and name:
conf_str = CE_NC_MERGE_VLAN_NAME % (vlan_id, name)
if description and name:
conf_str = CE_NC_MERGE_VLAN % (vlan_id, name, description)
if not conf_str:
return
recv_xml = set_nc_config(self.module, conf_str)
self.check_response(recv_xml, "MERGE_VLAN")
self.changed = True
def create_vlan_batch(self, vlan_list):
"""Create vlan batch."""
if not vlan_list:
return
vlan_bitmap = self.vlan_list_to_bitmap(vlan_list)
xmlstr = CE_NC_CREATE_VLAN_BATCH % (vlan_bitmap, vlan_bitmap)
recv_xml = execute_nc_action(self.module, xmlstr)
self.check_response(recv_xml, "CREATE_VLAN_BATCH")
self.updates_cmd.append('vlan batch %s' % (
self.vlan_range.replace(',', ' ').replace('-', ' to ')))
self.changed = True
def delete_vlan_batch(self, vlan_list):
"""Delete vlan batch."""
if not vlan_list:
return
vlan_bitmap = self.vlan_list_to_bitmap(vlan_list)
xmlstr = CE_NC_DELETE_VLAN_BATCH % (vlan_bitmap, vlan_bitmap)
recv_xml = execute_nc_action(self.module, xmlstr)
self.check_response(recv_xml, "DELETE_VLAN_BATCH")
self.updates_cmd.append('undo vlan batch %s' % (
self.vlan_range.replace(',', ' ').replace('-', ' to ')))
self.changed = True
def undo_config_vlan(self, vlanid):
"""Delete vlan."""
conf_str = CE_NC_DELETE_VLAN % vlanid
recv_xml = set_nc_config(self.module, conf_str)
self.check_response(recv_xml, "DELETE_VLAN")
self.changed = True
self.updates_cmd.append('undo vlan %s' % self.vlan_id)
def get_vlan_attr(self, vlan_id):
""" get vlan attributes."""
conf_str = CE_NC_GET_VLAN % vlan_id
xml_str = get_nc_config(self.module, conf_str)
attr = dict()
if "<data/>" in xml_str:
return attr
else:
re_find = re.findall(r'.*<vlanId>(.*)</vlanId>.*\s*'
r'<vlanName>(.*)</vlanName>.*\s*'
r'<vlanDesc>(.*)</vlanDesc>.*', xml_str)
if re_find:
attr = dict(vlan_id=re_find[0][0], name=re_find[0][1],
description=re_find[0][2])
return attr
def get_vlans_name(self):
""" get all vlan vid and its name list,
sample: [ ("20", "VLAN_NAME_20"), ("30", "VLAN_NAME_30") ]"""
conf_str = CE_NC_GET_VLANS
xml_str = get_nc_config(self.module, conf_str)
vlan_list = list()
if "<data/>" in xml_str:
return vlan_list
else:
vlan_list = re.findall(
r'.*<vlanId>(.*)</vlanId>.*\s*<vlanName>(.*)</vlanName>.*', xml_str)
return vlan_list
def get_vlans_list(self):
""" get all vlan vid list, sample: [ "20", "30", "31" ]"""
conf_str = CE_NC_GET_VLANS
xml_str = get_nc_config(self.module, conf_str)
vlan_list = list()
if "<data/>" in xml_str:
return vlan_list
else:
vlan_list = re.findall(
r'.*<vlanId>(.*)</vlanId>.*', xml_str)
return vlan_list
def vlan_series(self, vlanid_s):
""" convert vlan range to list """
vlan_list = []
peerlistlen = len(vlanid_s)
if peerlistlen != 2:
self.module.fail_json(msg='Error: Format of vlanid is invalid.')
for num in range(peerlistlen):
if not vlanid_s[num].isdigit():
self.module.fail_json(
msg='Error: Format of vlanid is invalid.')
if int(vlanid_s[0]) > int(vlanid_s[1]):
self.module.fail_json(msg='Error: Format of vlanid is invalid.')
elif int(vlanid_s[0]) == int(vlanid_s[1]):
vlan_list.append(str(vlanid_s[0]))
return vlan_list
for num in range(int(vlanid_s[0]), int(vlanid_s[1])):
vlan_list.append(str(num))
vlan_list.append(vlanid_s[1])
return vlan_list
def vlan_region(self, vlanid_list):
""" convert vlan range to vlan list """
vlan_list = []
peerlistlen = len(vlanid_list)
for num in range(peerlistlen):
if vlanid_list[num].isdigit():
vlan_list.append(vlanid_list[num])
else:
vlan_s = self.vlan_series(vlanid_list[num].split('-'))
vlan_list.extend(vlan_s)
return vlan_list
def vlan_range_to_list(self, vlan_range):
""" convert vlan range to vlan list """
vlan_list = self.vlan_region(vlan_range.split(','))
return vlan_list
def vlan_list_to_bitmap(self, vlanlist):
""" convert vlan list to vlan bitmap """
vlan_bit = ['0'] * 1024
bit_int = [0] * 1024
vlan_list_len = len(vlanlist)
for num in range(vlan_list_len):
tagged_vlans = int(vlanlist[num])
if tagged_vlans <= 0 or tagged_vlans > 4094:
self.module.fail_json(
msg='Error: Vlan id is not in the range from 1 to 4094.')
j = tagged_vlans / 4
bit_int[j] |= 0x8 >> (tagged_vlans % 4)
vlan_bit[j] = hex(bit_int[j])[2]
vlan_xml = ''.join(vlan_bit)
return vlan_xml
def check_params(self):
"""Check all input params"""
if not self.vlan_id and self.description:
self.module.fail_json(
msg='Error: Vlan description could be set only at one vlan.')
if not self.vlan_id and self.name:
self.module.fail_json(
msg='Error: Vlan name could be set only at one vlan.')
# check vlan id
if self.vlan_id:
if not self.vlan_id.isdigit():
self.module.fail_json(
msg='Error: Vlan id is not digit.')
if int(self.vlan_id) <= 0 or int(self.vlan_id) > 4094:
self.module.fail_json(
msg='Error: Vlan id is not in the range from 1 to 4094.')
# check vlan description
if self.description:
if len(self.description) > 81 or len(self.description.replace(' ', '')) < 1:
self.module.fail_json(
msg='Error: vlan description is not in the range from 1 to 80.')
# check vlan name
if self.name:
if len(self.name) > 31 or len(self.name.replace(' ', '')) < 1:
self.module.fail_json(
msg='Error: Vlan name is not in the range from 1 to 31.')
def get_proposed(self):
"""
get proposed config.
"""
if self.vlans_list_change:
if self.state == 'present':
proposed_vlans_tmp = list(self.vlans_list_change)
proposed_vlans_tmp.extend(self.vlans_list_exist)
self.results['proposed_vlans_list'] = list(
set(proposed_vlans_tmp))
else:
self.results['proposed_vlans_list'] = list(
set(self.vlans_list_exist) - set(self.vlans_list_change))
self.results['proposed_vlans_list'].sort()
else:
self.results['proposed_vlans_list'] = self.vlans_list_exist
if self.vlan_id:
if self.state == "present":
self.results['proposed'] = dict(
vlan_id=self.vlan_id,
name=self.name,
description=self.description
)
else:
self.results['proposed'] = None
else:
self.results['proposed'] = None
def get_existing(self):
"""
get existing config.
"""
self.results['existing_vlans_list'] = self.vlans_list_exist
if self.vlan_id:
if self.vlan_attr_exist:
self.results['existing'] = dict(
vlan_id=self.vlan_attr_exist['vlan_id'],
name=self.vlan_attr_exist['name'],
description=self.vlan_attr_exist['description']
)
else:
self.results['existing'] = None
else:
self.results['existing'] = None
def get_end_state(self):
"""
get end state config.
"""
self.results['end_state_vlans_list'] = self.get_vlans_list()
if self.vlan_id:
if self.vlan_attr_end:
self.results['end_state'] = dict(
vlan_id=self.vlan_attr_end['vlan_id'],
name=self.vlan_attr_end['name'],
description=self.vlan_attr_end['description']
)
else:
self.results['end_state'] = None
else:
self.results['end_state'] = None
def work(self):
"""
worker.
"""
# check param
self.check_params()
# get all vlan info
self.vlans_list_exist = self.get_vlans_list()
# get vlan attributes
if self.vlan_id:
self.vlans_list_change.append(self.vlan_id)
self.vlan_attr_exist = self.get_vlan_attr(self.vlan_id)
if self.vlan_attr_exist:
self.vlan_exist = True
if self.vlan_range:
new_vlans_tmp = self.vlan_range_to_list(self.vlan_range)
if self.state == 'present':
self.vlans_list_change = list(
set(new_vlans_tmp) - set(self.vlans_list_exist))
else:
self.vlans_list_change = [
val for val in new_vlans_tmp if val in self.vlans_list_exist]
if self.state == 'present':
if self.vlan_id:
if not self.vlan_exist:
# create a new vlan
self.config_vlan(self.vlan_id, self.name, self.description)
elif self.description and self.description != self.vlan_attr_exist['description']:
# merge vlan description
self.merge_vlan(self.vlan_id, self.name, self.description)
elif self.name and self.name != self.vlan_attr_exist['name']:
# merge vlan name
self.merge_vlan(self.vlan_id, self.name, self.description)
# update command for results
if self.changed:
self.updates_cmd.append('vlan %s' % self.vlan_id)
if self.name:
self.updates_cmd.append('name %s' % self.name)
if self.description:
self.updates_cmd.append(
'description %s' % self.description)
elif self.vlan_range and self.vlans_list_change:
self.create_vlan_batch(self.vlans_list_change)
else: # absent
if self.vlan_id:
if self.vlan_exist:
# delete the vlan
self.undo_config_vlan(self.vlan_id)
elif self.vlan_range and self.vlans_list_change:
self.delete_vlan_batch(self.vlans_list_change)
# result
if self.vlan_id:
self.vlan_attr_end = self.get_vlan_attr(self.vlan_id)
self.get_existing()
self.get_proposed()
self.get_end_state()
self.results['changed'] = self.changed
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(
vlan_id=dict(required=False),
vlan_range=dict(required=False, type='str'),
name=dict(required=False, type='str'),
description=dict(required=False, type='str'),
state=dict(choices=['absent', 'present'],
default='present', required=False),
)
argument_spec.update(ce_argument_spec)
vlancfg = Vlan(argument_spec)
vlancfg.work()
if __name__ == '__main__':
main()
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