586 lines
18 KiB
Python
586 lines
18 KiB
Python
#!/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/>.
|
|
#
|
|
|
|
DOCUMENTATION = '''
|
|
---
|
|
module: nxos_vpc_interface
|
|
version_added: "2.2"
|
|
short_description: Manages interface VPC configuration
|
|
description:
|
|
- Manages interface VPC configuration
|
|
extends_documentation_fragment: nxos
|
|
author:
|
|
- Jason Edelman (@jedelman8)
|
|
- Gabriele Gerbino (@GGabriele)
|
|
notes:
|
|
- Either vpc or peer_link param is required, but not both.
|
|
- I(state)=absent removes whatever VPC config is on a port-channel
|
|
if one exists.
|
|
- Re-assigning a vpc or peerlink from one portchannel to another is not
|
|
supported. The module will force the user to unconfigure an existing
|
|
vpc/pl before configuring the same value on a new portchannel
|
|
options:
|
|
portchannel:
|
|
description:
|
|
- group number of the portchannel that will be configured
|
|
required: true
|
|
vpc:
|
|
description:
|
|
- vpc group/id that will be configured on associated portchannel
|
|
required: false
|
|
default: null
|
|
peer_link:
|
|
description:
|
|
- Set to true/false for peer link config on assoicated portchannel
|
|
required: false
|
|
default: null
|
|
state:
|
|
description:
|
|
- Manages desired state of the resource
|
|
required: true
|
|
choices: ['present','absent']
|
|
'''
|
|
|
|
EXAMPLES = '''
|
|
- nxos_vpc_portchannel:
|
|
portchannel=10
|
|
vpc=100
|
|
username: "{{ un }}"
|
|
password: "{{ pwd }}"
|
|
host: "{{ inventory_hostname }}"
|
|
'''
|
|
|
|
RETURN = '''
|
|
proposed:
|
|
description: k/v pairs of parameters passed into module
|
|
returned: always
|
|
type: dict
|
|
sample: {"portchannel": "100", "vpc": "10"}
|
|
existing:
|
|
description: k/v pairs of existing configuration
|
|
type: dict
|
|
sample: {}
|
|
end_state:
|
|
description: k/v pairs of configuration after module execution
|
|
returned: always
|
|
type: dict
|
|
sample: {"peer-link": false, "portchannel": "100", "vpc": "10"}
|
|
updates:
|
|
description: commands sent to the device
|
|
returned: always
|
|
type: list
|
|
sample: ["interface port-channel100", "vpc 10"]
|
|
changed:
|
|
description: check to see if a change was made on the device
|
|
returned: always
|
|
type: boolean
|
|
sample: true
|
|
'''
|
|
|
|
|
|
import collections
|
|
import json
|
|
|
|
# COMMON CODE FOR MIGRATION
|
|
import re
|
|
|
|
from ansible.module_utils.basic import get_exception
|
|
from ansible.module_utils.netcfg import NetworkConfig, ConfigLine
|
|
from ansible.module_utils.shell import ShellError
|
|
|
|
try:
|
|
from ansible.module_utils.nxos import get_module
|
|
except ImportError:
|
|
from ansible.module_utils.nxos import NetworkModule
|
|
|
|
|
|
def to_list(val):
|
|
if isinstance(val, (list, tuple)):
|
|
return list(val)
|
|
elif val is not None:
|
|
return [val]
|
|
else:
|
|
return list()
|
|
|
|
|
|
class CustomNetworkConfig(NetworkConfig):
|
|
|
|
def expand_section(self, configobj, S=None):
|
|
if S is None:
|
|
S = list()
|
|
S.append(configobj)
|
|
for child in configobj.children:
|
|
if child in S:
|
|
continue
|
|
self.expand_section(child, S)
|
|
return S
|
|
|
|
def get_object(self, path):
|
|
for item in self.items:
|
|
if item.text == path[-1]:
|
|
parents = [p.text for p in item.parents]
|
|
if parents == path[:-1]:
|
|
return item
|
|
|
|
def to_block(self, section):
|
|
return '\n'.join([item.raw for item in section])
|
|
|
|
def get_section(self, path):
|
|
try:
|
|
section = self.get_section_objects(path)
|
|
return self.to_block(section)
|
|
except ValueError:
|
|
return list()
|
|
|
|
def get_section_objects(self, path):
|
|
if not isinstance(path, list):
|
|
path = [path]
|
|
obj = self.get_object(path)
|
|
if not obj:
|
|
raise ValueError('path does not exist in config')
|
|
return self.expand_section(obj)
|
|
|
|
|
|
def add(self, lines, parents=None):
|
|
"""Adds one or lines of configuration
|
|
"""
|
|
|
|
ancestors = list()
|
|
offset = 0
|
|
obj = None
|
|
|
|
## global config command
|
|
if not parents:
|
|
for line in to_list(lines):
|
|
item = ConfigLine(line)
|
|
item.raw = line
|
|
if item not in self.items:
|
|
self.items.append(item)
|
|
|
|
else:
|
|
for index, p in enumerate(parents):
|
|
try:
|
|
i = index + 1
|
|
obj = self.get_section_objects(parents[:i])[0]
|
|
ancestors.append(obj)
|
|
|
|
except ValueError:
|
|
# add parent to config
|
|
offset = index * self.indent
|
|
obj = ConfigLine(p)
|
|
obj.raw = p.rjust(len(p) + offset)
|
|
if ancestors:
|
|
obj.parents = list(ancestors)
|
|
ancestors[-1].children.append(obj)
|
|
self.items.append(obj)
|
|
ancestors.append(obj)
|
|
|
|
# add child objects
|
|
for line in to_list(lines):
|
|
# check if child already exists
|
|
for child in ancestors[-1].children:
|
|
if child.text == line:
|
|
break
|
|
else:
|
|
offset = len(parents) * self.indent
|
|
item = ConfigLine(line)
|
|
item.raw = line.rjust(len(line) + offset)
|
|
item.parents = ancestors
|
|
ancestors[-1].children.append(item)
|
|
self.items.append(item)
|
|
|
|
|
|
def get_network_module(**kwargs):
|
|
try:
|
|
return get_module(**kwargs)
|
|
except NameError:
|
|
return NetworkModule(**kwargs)
|
|
|
|
def get_config(module, include_defaults=False):
|
|
config = module.params['config']
|
|
if not config:
|
|
try:
|
|
config = module.get_config()
|
|
except AttributeError:
|
|
defaults = module.params['include_defaults']
|
|
config = module.config.get_config(include_defaults=defaults)
|
|
return CustomNetworkConfig(indent=2, contents=config)
|
|
|
|
def load_config(module, candidate):
|
|
config = get_config(module)
|
|
|
|
commands = candidate.difference(config)
|
|
commands = [str(c).strip() for c in commands]
|
|
|
|
save_config = module.params['save']
|
|
|
|
result = dict(changed=False)
|
|
|
|
if commands:
|
|
if not module.check_mode:
|
|
try:
|
|
module.configure(commands)
|
|
except AttributeError:
|
|
module.config(commands)
|
|
|
|
if save_config:
|
|
try:
|
|
module.config.save_config()
|
|
except AttributeError:
|
|
module.execute(['copy running-config startup-config'])
|
|
|
|
result['changed'] = True
|
|
result['updates'] = commands
|
|
|
|
return result
|
|
# END OF COMMON CODE
|
|
|
|
def execute_config_command(commands, module):
|
|
try:
|
|
module.configure(commands)
|
|
except ShellError:
|
|
clie = get_exception()
|
|
module.fail_json(msg='Error sending CLI commands',
|
|
error=str(clie), commands=commands)
|
|
except AttributeError:
|
|
try:
|
|
commands.insert(0, 'configure')
|
|
module.cli.add_commands(commands, output='config')
|
|
module.cli.run_commands()
|
|
except ShellError:
|
|
clie = get_exception()
|
|
module.fail_json(msg='Error sending CLI commands',
|
|
error=str(clie), commands=commands)
|
|
|
|
|
|
def get_cli_body_ssh(command, response, module):
|
|
"""Get response for when transport=cli. This is kind of a hack and mainly
|
|
needed because these modules were originally written for NX-API. And
|
|
not every command supports "| json" when using cli/ssh.
|
|
"""
|
|
if '^' == response[0]:
|
|
body = []
|
|
elif 'running' in command or 'xml' in response[0]:
|
|
body = response
|
|
else:
|
|
try:
|
|
body = [json.loads(response[0])]
|
|
except ValueError:
|
|
module.fail_json(msg='Command does not support JSON output',
|
|
command=command)
|
|
return body
|
|
|
|
|
|
def execute_show(cmds, module, command_type=None):
|
|
command_type_map = {
|
|
'cli_show': 'json',
|
|
'cli_show_ascii': 'text'
|
|
}
|
|
|
|
try:
|
|
if command_type:
|
|
response = module.execute(cmds, command_type=command_type)
|
|
else:
|
|
response = module.execute(cmds)
|
|
except ShellError:
|
|
clie = get_exception()
|
|
module.fail_json(msg='Error sending {0}'.format(cmds),
|
|
error=str(clie))
|
|
except AttributeError:
|
|
try:
|
|
if command_type:
|
|
command_type = command_type_map.get(command_type)
|
|
module.cli.add_commands(cmds, output=command_type)
|
|
response = module.cli.run_commands()
|
|
else:
|
|
module.cli.add_commands(cmds, output=command_type)
|
|
response = module.cli.run_commands()
|
|
except ShellError:
|
|
clie = get_exception()
|
|
module.fail_json(msg='Error sending {0}'.format(cmds),
|
|
error=str(clie))
|
|
return response
|
|
|
|
|
|
def execute_show_command(command, module, command_type='cli_show'):
|
|
if module.params['transport'] == 'cli':
|
|
command += ' | json'
|
|
cmds = [command]
|
|
response = execute_show(cmds, module)
|
|
body = get_cli_body_ssh(command, response, module)
|
|
elif module.params['transport'] == 'nxapi':
|
|
cmds = [command]
|
|
body = execute_show(cmds, module, command_type=command_type)
|
|
|
|
return body
|
|
|
|
|
|
def flatten_list(command_lists):
|
|
flat_command_list = []
|
|
for command in command_lists:
|
|
if isinstance(command, list):
|
|
flat_command_list.extend(command)
|
|
else:
|
|
flat_command_list.append(command)
|
|
return flat_command_list
|
|
|
|
|
|
def get_portchannel_list(module):
|
|
command = 'show port-channel summary'
|
|
portchannels = []
|
|
pc_list = []
|
|
|
|
body = execute_show_command(command, module)
|
|
|
|
try:
|
|
pc_list = body[0]['TABLE_channel']['ROW_channel']
|
|
except (KeyError, AttributeError):
|
|
return portchannels
|
|
|
|
if pc_list:
|
|
if isinstance(pc_list, dict):
|
|
pc_list = [pc_list]
|
|
|
|
for pc in pc_list:
|
|
portchannels.append(pc['group'])
|
|
|
|
return portchannels
|
|
|
|
|
|
def get_existing_portchannel_to_vpc_mappings(module):
|
|
command = 'show vpc brief'
|
|
pc_vpc_mapping = {}
|
|
|
|
body = execute_show_command(command, module)
|
|
|
|
try:
|
|
vpc_table = body[0]['TABLE_vpc']['ROW_vpc']
|
|
except (KeyError, AttributeError, TypeError):
|
|
vpc_table = None
|
|
|
|
if vpc_table:
|
|
if isinstance(vpc_table, dict):
|
|
vpc_table = [vpc_table]
|
|
|
|
for vpc in vpc_table:
|
|
pc_vpc_mapping[str(vpc['vpc-id'])] = str(vpc['vpc-ifindex'])
|
|
|
|
return pc_vpc_mapping
|
|
|
|
|
|
def peer_link_exists(module):
|
|
found = False
|
|
run = get_vpc_running_config(module)
|
|
|
|
vpc_list = run.split('\n')
|
|
for each in vpc_list:
|
|
if 'peer-link' in each:
|
|
found = True
|
|
return found
|
|
|
|
|
|
def get_vpc_running_config(module):
|
|
command = 'show running section vpc'
|
|
body = execute_show_command(command, module,
|
|
command_type='cli_show_ascii')[0]
|
|
|
|
return body
|
|
|
|
|
|
def get_active_vpc_peer_link(module):
|
|
command = 'show vpc brief'
|
|
peer_link = None
|
|
body = execute_show_command(command, module)
|
|
try:
|
|
peer_link = body[0]['TABLE_peerlink']['ROW_peerlink']['peerlink-ifindex']
|
|
except (KeyError, AttributeError):
|
|
return peer_link
|
|
|
|
return peer_link
|
|
|
|
|
|
def get_portchannel_vpc_config(module, portchannel):
|
|
command = 'show vpc brief'
|
|
peer_link_pc = None
|
|
peer_link = False
|
|
vpc = ""
|
|
pc = ""
|
|
config = {}
|
|
|
|
body = execute_show_command(command, module)
|
|
|
|
try:
|
|
table = body[0]['TABLE_peerlink']['ROW_peerlink']
|
|
except (KeyError, AttributeError, TypeError):
|
|
table = {}
|
|
|
|
if table:
|
|
peer_link_pc = table.get('peerlink-ifindex', None)
|
|
|
|
if peer_link_pc:
|
|
plpc = str(peer_link_pc[2:])
|
|
if portchannel == plpc:
|
|
config['portchannel'] = portchannel
|
|
config['peer-link'] = True
|
|
config['vpc'] = vpc
|
|
|
|
mapping = get_existing_portchannel_to_vpc_mappings(module)
|
|
|
|
for existing_vpc, port_channel in mapping.iteritems():
|
|
port_ch = str(port_channel[2:])
|
|
if port_ch == portchannel:
|
|
pc = port_ch
|
|
vpc = str(existing_vpc)
|
|
|
|
config['portchannel'] = pc
|
|
config['peer-link'] = peer_link
|
|
config['vpc'] = vpc
|
|
|
|
return config
|
|
|
|
|
|
def get_commands_to_config_vpc_interface(portchannel, delta, config_value, existing):
|
|
commands = []
|
|
|
|
if delta.get('peer-link') is False and existing.get('peer-link') is True:
|
|
command = 'no vpc peer-link'
|
|
commands.append('no vpc peer-link')
|
|
commands.insert(0, 'interface port-channel{0}'.format(portchannel))
|
|
|
|
elif delta.get('peer-link') or not existing.get('vpc'):
|
|
command = 'vpc {0}'.format(config_value)
|
|
commands.append(command)
|
|
commands.insert(0, 'interface port-channel{0}'.format(portchannel))
|
|
|
|
return commands
|
|
|
|
|
|
def main():
|
|
argument_spec = dict(
|
|
portchannel=dict(required=True, type='str'),
|
|
vpc=dict(required=False, type='str'),
|
|
peer_link=dict(required=False, type='bool'),
|
|
state=dict(choices=['absent', 'present'], default='present'),
|
|
include_defaults=dict(default=False),
|
|
config=dict(),
|
|
save=dict(type='bool', default=False)
|
|
)
|
|
module = get_network_module(argument_spec=argument_spec,
|
|
mutually_exclusive=[['vpc', 'peer_link']],
|
|
supports_check_mode=True)
|
|
|
|
portchannel = module.params['portchannel']
|
|
vpc = module.params['vpc']
|
|
peer_link = module.params['peer_link']
|
|
state = module.params['state']
|
|
|
|
changed = False
|
|
args = {'portchannel': portchannel, 'vpc': vpc, 'peer-link': peer_link}
|
|
active_peer_link = None
|
|
|
|
if portchannel not in get_portchannel_list(module):
|
|
module.fail_json(msg="The portchannel you are trying to make a"
|
|
" VPC or PL is not created yet. "
|
|
"Create it first!")
|
|
if vpc:
|
|
mapping = get_existing_portchannel_to_vpc_mappings(module)
|
|
|
|
if vpc in mapping.keys() and portchannel != mapping[vpc].strip('Po'):
|
|
module.fail_json(msg="This vpc is already configured on "
|
|
"another portchannel. Remove it first "
|
|
"before trying to assign it here. ",
|
|
existing_portchannel=mapping[vpc])
|
|
|
|
for vpcid, existing_pc in mapping.iteritems():
|
|
if portchannel == existing_pc.strip('Po') and vpcid != vpc:
|
|
module.fail_json(msg="This portchannel already has another"
|
|
" VPC configured. Remove it first "
|
|
"before assigning this one",
|
|
existing_vpc=vpcid)
|
|
|
|
if peer_link_exists(module):
|
|
active_peer_link = get_active_vpc_peer_link(module)
|
|
if active_peer_link[-2:] == portchannel:
|
|
module.fail_json(msg="That port channel is the current "
|
|
"PEER LINK. Remove it if you want it"
|
|
" to be a VPC")
|
|
config_value = vpc
|
|
|
|
elif peer_link is not None:
|
|
if peer_link_exists(module):
|
|
active_peer_link = get_active_vpc_peer_link(module)[2::]
|
|
if active_peer_link != portchannel:
|
|
if peer_link:
|
|
module.fail_json(msg="A peer link already exists on"
|
|
" the device. Remove it first",
|
|
current_peer_link='Po{0}'.format(
|
|
active_peer_link))
|
|
config_value = 'peer-link'
|
|
|
|
|
|
proposed = dict((k, v) for k, v in args.iteritems() if v is not None)
|
|
existing = get_portchannel_vpc_config(module, portchannel)
|
|
end_state = existing
|
|
commands = []
|
|
|
|
if state == 'present':
|
|
delta = dict(set(proposed.iteritems()).difference(existing.iteritems()))
|
|
if delta:
|
|
command = get_commands_to_config_vpc_interface(
|
|
portchannel,
|
|
delta,
|
|
config_value,
|
|
existing
|
|
)
|
|
commands.append(command)
|
|
|
|
elif state == 'absent':
|
|
if existing.get('vpc'):
|
|
command = ['no vpc']
|
|
commands.append(command)
|
|
elif existing.get('peer-link'):
|
|
command = ['no vpc peer-link']
|
|
commands.append(command)
|
|
if commands:
|
|
commands.insert(0, ['interface port-channel{0}'.format(portchannel)])
|
|
|
|
cmds = flatten_list(commands)
|
|
if cmds:
|
|
if module.check_mode:
|
|
module.exit_json(changed=True, commands=cmds)
|
|
else:
|
|
changed = True
|
|
output = execute_config_command(cmds, module)
|
|
if module.params['transport'] == 'cli':
|
|
output = ' '.join(output)
|
|
if 'error' in output.lower():
|
|
module.fail_json(msg=output.replace('\n', ''))
|
|
end_state = get_portchannel_vpc_config(module, portchannel)
|
|
|
|
results = {}
|
|
results['proposed'] = proposed
|
|
results['existing'] = existing
|
|
results['end_state'] = end_state
|
|
results['updates'] = cmds
|
|
results['changed'] = changed
|
|
|
|
module.exit_json(**results)
|
|
|
|
|
|
if __name__ == '__main__':
|
|
main()
|