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community.general/lib/ansible/modules/network/nxos/nxos_vpc.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 = {'metadata_version': '1.0',
'status': ['preview'],
'supported_by': 'community'}
DOCUMENTATION = '''
---
module: nxos_vpc
extends_documentation_fragment: nxos
version_added: "2.2"
short_description: Manages global VPC configuration
description:
- Manages global VPC configuration
author:
- Jason Edelman (@jedelman8)
- Gabriele Gerbino (@GGabriele)
notes:
- The feature vpc must be enabled before this module can be used
- If not using management vrf, vrf must be globally on the device
before using in the pkl config
- Although source IP isn't required on the command line it is
required when using this module. The PKL VRF must also be configured
prior to using this module.
- Both pkl_src and pkl_dest are needed when changing PKL VRF.
options:
domain:
description:
- VPC domain
required: true
role_priority:
description:
- Role priority for device. Remember lower is better.
required: false
default: null
system_priority:
description:
- System priority device. Remember they must match between peers.
required: false
default: null
pkl_src:
description:
- Source IP address used for peer keepalive link
required: false
default: null
pkl_dest:
description:
- Destination (remote) IP address used for peer keepalive link
required: false
default: null
pkl_vrf:
description:
- VRF used for peer keepalive link
required: false
default: management
peer_gw:
description:
- Enables/Disables peer gateway
required: true
choices: ['true','false']
auto_recovery:
description:
- Enables/Disables auto recovery
required: true
choices: ['true','false']
delay_restore:
description:
- manages delay restore command and config value in seconds
required: false
default: null
state:
description:
- Manages desired state of the resource
required: true
choices: ['present','absent']
'''
EXAMPLES = '''
# configure a simple asn
- nxos_vpc:
domain: 100
role_priority: 1000
system_priority: 2000
pkl_dest: 192.168.100.4
pkl_src: 10.1.100.20
peer_gw: true
auto_recovery: true
username: "{{ un }}"
password: "{{ pwd }}"
host: "{{ inventory_hostname }}"
'''
RETURN = '''
proposed:
description: k/v pairs of parameters passed into module
returned: always
type: dict
sample: {"auto_recovery": true, "domain": "100",
"peer_gw": true, "pkl_dest": "192.168.100.4",
"pkl_src": "10.1.100.20", "pkl_vrf": "management",
"role_priority": "1000", "system_priority": "2000"}
existing:
description: k/v pairs of existing VPC configuration
type: dict
sample: {"auto_recovery": true, "delay_restore": null,
"domain": "100", "peer_gw": true,
"pkl_dest": "192.168.100.2", "pkl_src": "10.1.100.20",
"pkl_vrf": "management", "role_priority": "1000",
"system_priority": "2000"}
end_state:
description: k/v pairs of VPC configuration after module execution
returned: always
type: dict
sample: {"auto_recovery": true, "domain": "100",
"peer_gw": true, "pkl_dest": "192.168.100.4",
"pkl_src": "10.1.100.20", "pkl_vrf": "management",
"role_priority": "1000", "system_priority": "2000"}
updates:
description: commands sent to the device
returned: always
type: list
sample: ["vpc domain 100",
"peer-keepalive destination 192.168.100.4 source 10.1.100.20 vrf management",
"auto-recovery", "peer-gateway"]
changed:
description: check to see if a change was made on the device
returned: always
type: boolean
sample: true
'''
from ansible.module_utils.nxos import get_config, load_config, run_commands
from ansible.module_utils.nxos import nxos_argument_spec, check_args
from ansible.module_utils.basic import AnsibleModule
from ansible.module_utils.netcfg import CustomNetworkConfig
def execute_show_command(command, module, command_type='cli_show'):
if module.params['transport'] == 'cli':
if "section" not in command:
command += ' | json'
cmds = [command]
body = run_commands(module, cmds)
elif module.params['transport'] == 'nxapi':
cmds = [command]
body = run_commands(module, cmds)
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_vrf_list(module):
command = 'show vrf all'
vrf_table = None
body = execute_show_command(command, module)
try:
vrf_table = body[0]['TABLE_vrf']['ROW_vrf']
except (KeyError, AttributeError):
return []
vrf_list = []
if vrf_table:
for each in vrf_table:
vrf_list.append(str(each['vrf_name'].lower()))
return vrf_list
def get_autorecovery(auto):
auto_recovery = auto.split(' ')[0]
if 'enabled' in auto_recovery.lower():
return True
else:
return False
def get_vpc_running_config(module):
command = 'show running section vpc'
body = execute_show_command(command, module, command_type='cli_show_ascii')
return body
def get_vpc(module):
vpc = {}
command = 'show vpc'
body = execute_show_command(command, module)[0]
domain = str(body['vpc-domain-id'])
auto_recovery = get_autorecovery(str(
body['vpc-auto-recovery-status']))
if domain != 'not configured':
delay_restore = None
pkl_src = None
role_priority = None
system_priority = None
pkl_dest = None
pkl_vrf = None
peer_gw = False
run = get_vpc_running_config(module)[0]
if run:
vpc_list = run.split('\n')
for each in vpc_list:
if 'delay restore' in each:
line = each.split()
if len(line) == 5:
delay_restore = line[-1]
if 'peer-keepalive destination' in each:
line = each.split()
pkl_dest = line[2]
for word in line:
if 'source' in word:
index = line.index(word)
pkl_src = line[index + 1]
if 'role priority' in each:
line = each.split()
role_priority = line[-1]
if 'system-priority' in each:
line = each.split()
system_priority = line[-1]
if 'peer-gateway' in each:
peer_gw = True
command = 'show vpc peer-keepalive'
body = execute_show_command(command, module)[0]
if body:
pkl_dest = body['vpc-keepalive-dest']
if 'N/A' in pkl_dest:
pkl_dest = None
elif len(pkl_dest) == 2:
pkl_dest = pkl_dest[0]
pkl_vrf = str(body['vpc-keepalive-vrf'])
vpc['domain'] = domain
vpc['auto_recovery'] = auto_recovery
vpc['delay_restore'] = delay_restore
vpc['pkl_src'] = pkl_src
vpc['role_priority'] = role_priority
vpc['system_priority'] = system_priority
vpc['pkl_dest'] = pkl_dest
vpc['pkl_vrf'] = pkl_vrf
vpc['peer_gw'] = peer_gw
else:
vpc = {}
return vpc
def get_commands_to_config_vpc(module, vpc, domain, existing):
vpc = dict(vpc)
domain_only = vpc.get('domain')
pkl_src = vpc.get('pkl_src')
pkl_dest = vpc.get('pkl_dest')
pkl_vrf = vpc.get('pkl_vrf') or existing.get('pkl_vrf')
vpc['pkl_vrf'] = pkl_vrf
commands = []
if pkl_src or pkl_dest:
if pkl_src is None:
vpc['pkl_src'] = existing.get('pkl_src')
elif pkl_dest is None:
vpc['pkl_dest'] = existing.get('pkl_dest')
pkl_command = 'peer-keepalive destination {pkl_dest}'.format(**vpc) \
+ ' source {pkl_src} vrf {pkl_vrf}'.format(**vpc)
commands.append(pkl_command)
elif pkl_vrf:
pkl_src = existing.get('pkl_src')
pkl_dest = existing.get('pkl_dest')
if pkl_src and pkl_dest:
pkl_command = ('peer-keepalive destination {0}'
' source {1} vrf {2}'.format(pkl_dest, pkl_src, pkl_vrf))
commands.append(pkl_command)
if vpc.get('auto_recovery') is False:
vpc['auto_recovery'] = 'no'
else:
vpc['auto_recovery'] = ''
if vpc.get('peer_gw') is False:
vpc['peer_gw'] = 'no'
else:
vpc['peer_gw'] = ''
CONFIG_ARGS = {
'role_priority': 'role priority {role_priority}',
'system_priority': 'system-priority {system_priority}',
'delay_restore': 'delay restore {delay_restore}',
'peer_gw': '{peer_gw} peer-gateway',
'auto_recovery': '{auto_recovery} auto-recovery',
}
for param, value in vpc.items():
command = CONFIG_ARGS.get(param, 'DNE').format(**vpc)
if command and command != 'DNE':
commands.append(command.strip())
command = None
if commands or domain_only:
commands.insert(0, 'vpc domain {0}'.format(domain))
return commands
def get_commands_to_remove_vpc_interface(portchannel, config_value):
commands = []
command = 'no vpc {0}'.format(config_value)
commands.append(command)
commands.insert(0, 'interface port-channel{0}'.format(portchannel))
return commands
def main():
argument_spec = dict(
domain=dict(required=True, type='str'),
role_priority=dict(required=False, type='str'),
system_priority=dict(required=False, type='str'),
pkl_src=dict(required=False),
pkl_dest=dict(required=False),
pkl_vrf=dict(required=False, default='management'),
peer_gw=dict(required=True, type='bool'),
auto_recovery=dict(required=True, type='bool'),
delay_restore=dict(required=False, type='str'),
state=dict(choices=['absent', 'present'], default='present'),
include_defaults=dict(default=False),
config=dict(),
save=dict(type='bool', default=False)
)
argument_spec.update(nxos_argument_spec)
module = AnsibleModule(argument_spec=argument_spec,
supports_check_mode=True)
warnings = list()
check_args(module, warnings)
domain = module.params['domain']
role_priority = module.params['role_priority']
system_priority = module.params['system_priority']
pkl_src = module.params['pkl_src']
pkl_dest = module.params['pkl_dest']
pkl_vrf = module.params['pkl_vrf']
peer_gw = module.params['peer_gw']
auto_recovery = module.params['auto_recovery']
delay_restore = module.params['delay_restore']
state = module.params['state']
args = dict(domain=domain, role_priority=role_priority,
system_priority=system_priority, pkl_src=pkl_src,
pkl_dest=pkl_dest, pkl_vrf=pkl_vrf, peer_gw=peer_gw,
auto_recovery=auto_recovery,
delay_restore=delay_restore)
if not (pkl_src and pkl_dest and pkl_vrf):
# if only the source or dest is set, it'll fail and ask to set the
# other
if pkl_src or pkl_dest:
module.fail_json(msg='source AND dest IP for pkl are required at '
'this time (although source is technically not '
' required by the device.)')
args.pop('pkl_src')
args.pop('pkl_dest')
args.pop('pkl_vrf')
if pkl_vrf:
if pkl_vrf.lower() not in get_vrf_list(module):
module.fail_json(msg='The VRF you are trying to use for the peer '
'keepalive link is not on device yet. Add it'
' first, please.')
proposed = dict((k, v) for k, v in args.items() if v is not None)
changed = False
existing = get_vpc(module)
end_state = existing
commands = []
if state == 'present':
delta = set(proposed.items()).difference(existing.items())
if delta:
command = get_commands_to_config_vpc(module, delta, domain, existing)
commands.append(command)
elif state == 'absent':
if existing:
if domain != existing['domain']:
module.fail_json(msg="You are trying to remove a domain that "
"does not exist on the device")
else:
commands.append('no vpc domain {0}'.format(domain))
cmds = flatten_list(commands)
if cmds:
if module.check_mode:
module.exit_json(changed=True, commands=cmds)
else:
changed = True
load_config(module, cmds)
end_state = get_vpc(module)
if 'configure' in cmds:
cmds.pop(0)
results = {}
results['proposed'] = proposed
results['existing'] = existing
results['end_state'] = end_state
results['updates'] = cmds
results['changed'] = changed
results['warnings'] = warnings
module.exit_json(**results)
if __name__ == '__main__':
main()
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