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offline_kubespray/collection/cisco/nxos/plugins/modules/nxos_linkagg.py
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2024-02-19 16:02:29 +09:00

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Python

#!/usr/bin/python
# -*- coding: utf-8 -*-
# (c) 2017, Ansible by Red Hat, inc
# 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
DOCUMENTATION = """
module: nxos_linkagg
extends_documentation_fragment:
- cisco.nxos.nxos
short_description: (deprecated, removed after 2022-06-01) Manage link
aggregation groups on Cisco NXOS devices.
description:
- This module provides declarative management of link aggregation groups on Cisco
NXOS devices.
version_added: 1.0.0
deprecated:
alternative: nxos_lag_interfaces
why: Updated modules released with more functionality.
removed_at_date: '2022-06-01'
author:
- Trishna Guha (@trishnaguha)
notes:
- Tested against NXOSv 7.0(3)I5(1).
- Unsupported for Cisco MDS
- C(state=absent) removes the portchannel config and interface if it already exists.
If members to be removed are not explicitly passed, all existing members (if any),
are removed.
- Members must be a list.
- LACP needs to be enabled first if active/passive modes are used.
options:
group:
description:
- Channel-group number for the port-channel Link aggregation group.
type: str
mode:
description:
- Mode for the link aggregation group.
choices:
- 'active'
- 'on'
- 'passive'
default: 'on'
type: str
min_links:
description:
- Minimum number of ports required up before bringing up the link aggregation
group.
type: int
members:
description:
- List of interfaces that will be managed in the link aggregation group.
type: list
elements: str
force:
description:
- When true it forces link aggregation group members to match what is declared
in the members param. This can be used to remove members.
type: bool
default: no
aggregate:
description: List of link aggregation definitions.
type: list
elements: dict
suboptions:
group:
description:
- Channel-group number for the port-channel Link aggregation group.
type: str
required: True
mode:
description:
- Mode for the link aggregation group.
choices:
- 'active'
- 'on'
- 'passive'
type: str
min_links:
description:
- Minimum number of ports required up before bringing up the link aggregation
group.
type: int
members:
description:
- List of interfaces that will be managed in the link aggregation group.
type: list
elements: str
force:
description:
- When true it forces link aggregation group members to match what is declared
in the members param. This can be used to remove members.
type: bool
state:
description:
- State of the link aggregation group.
choices:
- present
- absent
type: str
state:
description:
- State of the link aggregation group.
default: present
choices:
- present
- absent
type: str
purge:
description:
- Purge links not defined in the I(aggregate) parameter.
type: bool
default: no
"""
EXAMPLES = """
- name: create link aggregation group
cisco.nxos.nxos_linkagg:
group: 99
state: present
- name: delete link aggregation group
cisco.nxos.nxos_linkagg:
group: 99
state: absent
- name: set link aggregation group to members
cisco.nxos.nxos_linkagg:
group: 10
min_links: 3
mode: active
members:
- Ethernet1/2
- Ethernet1/4
- name: remove link aggregation group from Ethernet1/2
cisco.nxos.nxos_linkagg:
group: 10
min_links: 3
mode: active
members:
- Ethernet1/4
- name: Create aggregate of linkagg definitions
cisco.nxos.nxos_linkagg:
aggregate:
- {group: 3}
- {group: 100, min_links: 3}
- name: Remove aggregate of linkagg definitions
cisco.nxos.nxos_linkagg:
aggregate:
- {group: 3}
- {group: 100, min_links: 3}
state: absent
"""
RETURN = """
commands:
description: The list of configuration mode commands to send to the device
returned: always, except for the platforms that use Netconf transport to manage the device.
type: list
sample:
- interface port-channel 30
- lacp min-links 5
- interface Ethernet2/1
- channel-group 30 mode active
- no interface port-channel 30
"""
import re
from copy import deepcopy
from ansible_collections.cisco.nxos.plugins.module_utils.network.nxos.nxos import (
get_config,
load_config,
run_commands,
)
from ansible_collections.cisco.nxos.plugins.module_utils.network.nxos.nxos import (
nxos_argument_spec,
)
from ansible_collections.cisco.nxos.plugins.module_utils.network.nxos.nxos import (
normalize_interface,
)
from ansible.module_utils.basic import AnsibleModule
from ansible_collections.ansible.netcommon.plugins.module_utils.network.common.utils import (
remove_default_spec,
)
def search_obj_in_list(group, lst):
for o in lst:
if o["group"] == group:
return o
def get_diff(w, obj):
c = deepcopy(w)
o = deepcopy(obj)
if o["group"] == c["group"] and o.get("members") == c.get("members"):
if "members" in o:
del o["members"]
if "members" in c:
del c["members"]
diff_dict = dict(set(c.items()) - set(o.items()))
return diff_dict
def map_obj_to_commands(updates, module):
commands = list()
want, have = updates
purge = module.params["purge"]
force = module.params["force"]
for w in want:
group = w["group"]
mode = w["mode"]
min_links = w["min_links"]
members = w.get("members") or []
state = w["state"]
del w["state"]
obj_in_have = search_obj_in_list(group, have)
if state == "absent":
if obj_in_have:
members_to_remove = list(
set(obj_in_have["members"]) - set(members)
)
if members_to_remove:
for m in members_to_remove:
commands.append("interface {0}".format(m))
commands.append(
"no channel-group {0}".format(obj_in_have["group"])
)
commands.append("exit")
commands.append("no interface port-channel {0}".format(group))
elif state == "present":
if not obj_in_have:
commands.append("interface port-channel {0}".format(group))
if min_links != "None":
commands.append("lacp min-links {0}".format(min_links))
commands.append("exit")
if members:
for m in members:
commands.append("interface {0}".format(m))
if force:
commands.append(
"channel-group {0} force mode {1}".format(
group, mode
)
)
else:
commands.append(
"channel-group {0} mode {1}".format(
group, mode
)
)
else:
if members:
if not obj_in_have["members"]:
for m in members:
commands.append(
"interface port-channel {0}".format(group)
)
commands.append("exit")
commands.append("interface {0}".format(m))
if force:
commands.append(
"channel-group {0} force mode {1}".format(
group, mode
)
)
else:
commands.append(
"channel-group {0} mode {1}".format(
group, mode
)
)
elif set(members) != set(obj_in_have["members"]):
missing_members = list(
set(members) - set(obj_in_have["members"])
)
for m in missing_members:
commands.append(
"interface port-channel {0}".format(group)
)
commands.append("exit")
commands.append("interface {0}".format(m))
if force:
commands.append(
"channel-group {0} force mode {1}".format(
group, mode
)
)
else:
commands.append(
"channel-group {0} mode {1}".format(
group, mode
)
)
superfluous_members = list(
set(obj_in_have["members"]) - set(members)
)
for m in superfluous_members:
commands.append(
"interface port-channel {0}".format(group)
)
commands.append("exit")
commands.append("interface {0}".format(m))
commands.append(
"no channel-group {0}".format(group)
)
else:
diff = get_diff(w, obj_in_have)
if diff and "mode" in diff:
mode = diff["mode"]
for i in members:
commands.append("interface {0}".format(i))
if force:
commands.append(
"channel-group {0} force mode {1}".format(
group, mode
)
)
else:
commands.append(
"channel-group {0} mode {1}".format(
group, mode
)
)
if purge:
for h in have:
obj_in_want = search_obj_in_list(h["group"], want)
if not obj_in_want:
commands.append(
"no interface port-channel {0}".format(h["group"])
)
return commands
def map_params_to_obj(module):
obj = []
aggregate = module.params.get("aggregate")
if aggregate:
for item in aggregate:
for key in item:
if item.get(key) is None:
item[key] = module.params[key]
d = item.copy()
d["group"] = str(d["group"])
d["min_links"] = str(d["min_links"])
if d["members"]:
d["members"] = [normalize_interface(i) for i in d["members"]]
obj.append(d)
else:
members = None
if module.params["members"]:
members = [
normalize_interface(i) for i in module.params["members"]
]
obj.append(
{
"group": str(module.params["group"]),
"mode": module.params["mode"],
"min_links": str(module.params["min_links"]),
"members": members,
"state": module.params["state"],
}
)
return obj
def parse_min_links(module, group):
min_links = None
flags = ["| section interface.port-channel{0}".format(group)]
config = get_config(module, flags=flags)
match = re.search(r"lacp min-links (\S+)", config, re.M)
if match:
min_links = match.group(1)
return min_links
def parse_mode(module, m):
mode = None
flags = ["| section interface.{0}".format(m)]
config = get_config(module, flags=flags)
match = re.search(
r"channel-group [0-9]+ (force )?mode (\S+)", config, re.M
)
if match:
mode = match.group(2)
return mode
def get_members(channel):
members = []
if "TABLE_member" in channel.keys():
interfaces = channel["TABLE_member"]["ROW_member"]
else:
return list()
if isinstance(interfaces, dict):
members.append(normalize_interface(interfaces.get("port")))
elif isinstance(interfaces, list):
for i in interfaces:
members.append(normalize_interface(i.get("port")))
return members
def parse_members(output, group):
channels = output["TABLE_channel"]["ROW_channel"]
if isinstance(channels, list):
for channel in channels:
if channel["group"] == group:
members = get_members(channel)
elif isinstance(channels, dict):
if channels["group"] == group:
members = get_members(channels)
else:
return list()
return members
def parse_channel_options(module, output, channel):
obj = {}
group = channel["group"]
obj["group"] = str(group)
obj["min_links"] = parse_min_links(module, group)
members = parse_members(output, group)
obj["members"] = members
for m in members:
obj["mode"] = parse_mode(module, m)
return obj
def map_config_to_obj(module):
objs = list()
output = run_commands(module, ["show port-channel summary | json"])[0]
if not output:
return list()
try:
channels = output["TABLE_channel"]["ROW_channel"]
except (TypeError, KeyError):
return objs
if channels:
if isinstance(channels, list):
for channel in channels:
obj = parse_channel_options(module, output, channel)
objs.append(obj)
elif isinstance(channels, dict):
obj = parse_channel_options(module, output, channels)
objs.append(obj)
return objs
def main():
"""main entry point for module execution"""
element_spec = dict(
group=dict(type="str"),
mode=dict(
required=False,
choices=["on", "active", "passive"],
default="on",
type="str",
),
min_links=dict(required=False, default=None, type="int"),
members=dict(
required=False, default=None, type="list", elements="str"
),
force=dict(required=False, default=False, type="bool"),
state=dict(
required=False, choices=["absent", "present"], default="present"
),
)
aggregate_spec = deepcopy(element_spec)
aggregate_spec["group"] = dict(required=True)
# remove default in aggregate spec, to handle common arguments
remove_default_spec(aggregate_spec)
argument_spec = dict(
aggregate=dict(type="list", elements="dict", options=aggregate_spec),
purge=dict(default=False, type="bool"),
)
argument_spec.update(element_spec)
argument_spec.update(nxos_argument_spec)
required_one_of = [["group", "aggregate"]]
mutually_exclusive = [["group", "aggregate"]]
module = AnsibleModule(
argument_spec=argument_spec,
required_one_of=required_one_of,
mutually_exclusive=mutually_exclusive,
supports_check_mode=True,
)
warnings = list()
result = {"changed": False}
if warnings:
result["warnings"] = warnings
want = map_params_to_obj(module)
have = map_config_to_obj(module)
commands = map_obj_to_commands((want, have), module)
result["commands"] = commands
if commands:
if not module.check_mode:
resp = load_config(module, commands, True)
if resp:
for item in resp:
if item:
if isinstance(item, dict):
err_str = item["clierror"]
else:
err_str = item
if "cannot add" in err_str.lower():
module.fail_json(msg=err_str)
result["changed"] = True
module.exit_json(**result)
if __name__ == "__main__":
main()