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offline_kubespray/collection/cisco/ios/plugins/modules/ios_interface.py
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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/>.
#
from __future__ import absolute_import, division, print_function
__metaclass__ = type
DOCUMENTATION = """
module: ios_interface
author: Ganesh Nalawade (@ganeshrn)
short_description: (deprecated, removed after 2022-06-01) Manage Interface on Cisco
IOS network devices
description:
- This module provides declarative management of Interfaces on Cisco IOS network devices.
version_added: 1.0.0
deprecated:
alternative: ios_interfaces
why: Newer and updated modules released with more functionality in Ansible 2.9
removed_at_date: '2022-06-01'
notes:
- Tested against IOS 15.6
options:
name:
description:
- Name of the Interface.
type: str
description:
description:
- Description of Interface.
type: str
enabled:
description:
- Interface link status.
default: True
type: bool
speed:
description:
- Interface link speed.
type: str
mtu:
description:
- Maximum size of transmit packet.
type: str
duplex:
description:
- Interface link status
type: str
choices:
- full
- half
- auto
tx_rate:
description:
- Transmit rate in bits per second (bps).
- This is state check parameter only.
- Supports conditionals, see
U(https://docs.ansible.com/ansible/latest/network/user_guide/network_working_with_command_output.html#conditionals-in-networking-modules)
type: str
rx_rate:
description:
- Receiver rate in bits per second (bps).
- This is state check parameter only.
- Supports conditionals, see
U(https://docs.ansible.com/ansible/latest/network/user_guide/network_working_with_command_output.html#conditionals-in-networking-modules)
type: str
neighbors:
description:
- Check the operational state of given interface C(name) for CDP/LLDP neighbor.
- The following suboptions are available.
type: list
elements: dict
suboptions:
host:
description:
- CDP/LLDP neighbor host for given interface C(name).
type: str
port:
description:
- CDP/LLDP neighbor port to which given interface C(name) is connected.
type: str
aggregate:
description: List of Interfaces definitions.
type: list
elements: dict
suboptions:
name:
description:
- Name of the Interface.
required: true
type: str
description:
description:
- Description of Interface.
type: str
enabled:
description:
- Interface link status.
type: bool
speed:
description:
- Interface link speed.
type: str
mtu:
description:
- Maximum size of transmit packet.
type: str
duplex:
description:
- Interface link status
choices:
- full
- half
- auto
type: str
tx_rate:
description:
- Transmit rate in bits per second (bps).
- This is state check parameter only.
- Supports conditionals, see
U(https://docs.ansible.com/ansible/latest/network/user_guide/network_working_with_command_output.html#conditionals-in-networking-modules)
type: str
rx_rate:
description:
- Receiver rate in bits per second (bps).
- This is state check parameter only.
- Supports conditionals, see
U(https://docs.ansible.com/ansible/latest/network/user_guide/network_working_with_command_output.html#conditionals-in-networking-modules)
type: str
neighbors:
description:
- Check the operational state of given interface C(name) for CDP/LLDP neighbor.
- The following suboptions are available.
type: list
elements: dict
suboptions:
host:
description:
- CDP/LLDP neighbor host for given interface C(name).
type: str
port:
description:
- CDP/LLDP neighbor port to which given interface C(name) is connected.
type: str
delay:
description:
- Time in seconds to wait before checking for the operational state on remote
device. This wait is applicable for operational state argument which are I(state)
with values C(up)/C(down), I(tx_rate) and I(rx_rate).
type: int
state:
description:
- State of the Interface configuration, C(up) means present and operationally
up and C(down) means present and operationally C(down)
choices:
- present
- absent
- up
- down
type: str
delay:
description:
- Time in seconds to wait before checking for the operational state on remote
device. This wait is applicable for operational state argument which are I(state)
with values C(up)/C(down), I(tx_rate) and I(rx_rate).
default: 10
type: int
state:
description:
- State of the Interface configuration, C(up) means present and operationally
up and C(down) means present and operationally C(down)
default: present
choices:
- present
- absent
- up
- down
type: str
extends_documentation_fragment:
- cisco.ios.ios
"""
EXAMPLES = """
- name: configure interface
cisco.ios.ios_interface:
name: GigabitEthernet0/2
description: test-interface
speed: 100
duplex: half
mtu: 512
- name: remove interface
cisco.ios.ios_interface:
name: Loopback9
state: absent
- name: make interface up
cisco.ios.ios_interface:
name: GigabitEthernet0/2
enabled: true
- name: make interface down
cisco.ios.ios_interface:
name: GigabitEthernet0/2
enabled: false
- name: Check intent arguments
cisco.ios.ios_interface:
name: GigabitEthernet0/2
state: up
tx_rate: ge(0)
rx_rate: le(0)
- name: Check neighbors intent arguments
cisco.ios.ios_interface:
name: Gi0/0
neighbors:
- port: eth0
host: netdev
- name: Config + intent
cisco.ios.ios_interface:
name: GigabitEthernet0/2
enabled: false
state: down
- name: Add interface using aggregate
cisco.ios.ios_interface:
aggregate:
- {name: GigabitEthernet0/1, mtu: 256, description: test-interface-1}
- {name: GigabitEthernet0/2, mtu: 516, description: test-interface-2}
duplex: full
speed: 100
state: present
- name: Delete interface using aggregate
cisco.ios.ios_interface:
aggregate:
- name: Loopback9
- name: Loopback10
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 GigabitEthernet0/2
- description test-interface
- duplex half
- mtu 512
"""
import re
from copy import deepcopy
from time import sleep
from ansible.module_utils._text import to_text
from ansible.module_utils.basic import AnsibleModule
from ansible.module_utils.connection import exec_command
from ansible_collections.cisco.ios.plugins.module_utils.network.ios.ios import (
get_config,
load_config,
)
from ansible_collections.cisco.ios.plugins.module_utils.network.ios.ios import (
ios_argument_spec,
)
from ansible_collections.ansible.netcommon.plugins.module_utils.network.common.config import (
NetworkConfig,
)
from ansible_collections.ansible.netcommon.plugins.module_utils.network.common.utils import (
conditional,
remove_default_spec,
)
def validate_mtu(value, module):
if value and not 64 <= int(value) <= 9600:
module.fail_json(msg="mtu must be between 64 and 9600")
def validate_param_values(module, obj, param=None):
if param is None:
param = module.params
for key in obj:
# validate the param value (if validator func exists)
validator = globals().get("validate_%s" % key)
if callable(validator):
validator(param.get(key), module)
def parse_shutdown(configobj, name):
cfg = configobj["interface %s" % name]
cfg = "\n".join(cfg.children)
match = re.search("^shutdown", cfg, re.M)
if match:
return True
else:
return False
def parse_config_argument(configobj, name, arg=None):
cfg = configobj["interface %s" % name]
cfg = "\n".join(cfg.children)
match = re.search("%s (.+)$" % arg, cfg, re.M)
if match:
return match.group(1)
def search_obj_in_list(name, lst):
for o in lst:
if o["name"] == name:
return o
return None
def add_command_to_interface(interface, cmd, commands):
if interface not in commands:
commands.append(interface)
commands.append(cmd)
def map_config_to_obj(module):
config = get_config(module)
configobj = NetworkConfig(indent=1, contents=config)
match = re.findall("^interface (\\S+)", config, re.M)
if not match:
return list()
instances = list()
for item in set(match):
obj = {
"name": item,
"description": parse_config_argument(
configobj, item, "description"
),
"speed": parse_config_argument(configobj, item, "speed"),
"duplex": parse_config_argument(configobj, item, "duplex"),
"mtu": parse_config_argument(configobj, item, "mtu"),
"disable": True if parse_shutdown(configobj, item) else False,
"state": "present",
}
instances.append(obj)
return instances
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]
validate_param_values(module, item, item)
d = item.copy()
if d["enabled"]:
d["disable"] = False
else:
d["disable"] = True
obj.append(d)
else:
params = {
"name": module.params["name"],
"description": module.params["description"],
"speed": module.params["speed"],
"mtu": module.params["mtu"],
"duplex": module.params["duplex"],
"state": module.params["state"],
"delay": module.params["delay"],
"tx_rate": module.params["tx_rate"],
"rx_rate": module.params["rx_rate"],
"neighbors": module.params["neighbors"],
}
validate_param_values(module, params)
if module.params["enabled"]:
params.update({"disable": False})
else:
params.update({"disable": True})
obj.append(params)
return obj
def map_obj_to_commands(updates):
commands = list()
want, have = updates
args = "speed", "description", "duplex", "mtu"
for w in want:
name = w["name"]
disable = w["disable"]
state = w["state"]
obj_in_have = search_obj_in_list(name, have)
interface = "interface " + name
if state == "absent" and obj_in_have:
commands.append("no " + interface)
elif state in ("present", "up", "down"):
if obj_in_have:
for item in args:
candidate = w.get(item)
running = obj_in_have.get(item)
if candidate != running:
if candidate:
cmd = item + " " + str(candidate)
add_command_to_interface(interface, cmd, commands)
if disable and not obj_in_have.get("disable", False):
add_command_to_interface(interface, "shutdown", commands)
elif not disable and obj_in_have.get("disable", False):
add_command_to_interface(
interface, "no shutdown", commands
)
else:
commands.append(interface)
for item in args:
value = w.get(item)
if value:
commands.append(item + " " + str(value))
if disable:
commands.append("no shutdown")
return commands
def check_declarative_intent_params(module, want, result):
failed_conditions = []
have_neighbors_lldp = None
have_neighbors_cdp = None
for w in want:
want_state = w.get("state")
want_tx_rate = w.get("tx_rate")
want_rx_rate = w.get("rx_rate")
want_neighbors = w.get("neighbors")
if (
want_state not in ("up", "down")
and not want_tx_rate
and not want_rx_rate
and not want_neighbors
):
continue
if result["changed"]:
sleep(w["delay"])
command = "show interfaces %s" % w["name"]
rc, out, err = exec_command(module, command)
if rc != 0:
module.fail_json(
msg=to_text(err, errors="surrogate_then_replace"),
command=command,
rc=rc,
)
if want_state in ("up", "down"):
match = re.search("%s (\\w+)" % "line protocol is", out, re.M)
have_state = None
if match:
have_state = match.group(1)
if have_state is None or not conditional(
want_state, have_state.strip()
):
failed_conditions.append("state " + "eq(%s)" % want_state)
if want_tx_rate:
match = re.search("%s (\\d+)" % "output rate", out, re.M)
have_tx_rate = None
if match:
have_tx_rate = match.group(1)
if have_tx_rate is None or not conditional(
want_tx_rate, have_tx_rate.strip(), cast=int
):
failed_conditions.append("tx_rate " + want_tx_rate)
if want_rx_rate:
match = re.search("%s (\\d+)" % "input rate", out, re.M)
have_rx_rate = None
if match:
have_rx_rate = match.group(1)
if have_rx_rate is None or not conditional(
want_rx_rate, have_rx_rate.strip(), cast=int
):
failed_conditions.append("rx_rate " + want_rx_rate)
if want_neighbors:
have_host = []
have_port = []
# Process LLDP neighbors
if have_neighbors_lldp is None:
rc, have_neighbors_lldp, err = exec_command(
module, "show lldp neighbors detail"
)
if rc != 0:
module.fail_json(
msg=to_text(err, errors="surrogate_then_replace"),
command=command,
rc=rc,
)
if have_neighbors_lldp:
lines = have_neighbors_lldp.strip().split("Local Intf: ")
for line in lines:
field = line.split("\n")
if field[0].strip() == w["name"]:
for item in field:
if item.startswith("System Name:"):
have_host.append(item.split(":")[1].strip())
if item.startswith("Port Description:"):
have_port.append(item.split(":")[1].strip())
# Process CDP neighbors
if have_neighbors_cdp is None:
rc, have_neighbors_cdp, err = exec_command(
module, "show cdp neighbors detail"
)
if rc != 0:
module.fail_json(
msg=to_text(err, errors="surrogate_then_replace"),
command=command,
rc=rc,
)
if have_neighbors_cdp:
neighbors_cdp = re.findall(
"""Device ID: (.*?)
.*?Interface: (.*?), Port ID .outgoing port.: (.*?)
""",
have_neighbors_cdp,
re.S,
)
for host, localif, remoteif in neighbors_cdp:
if localif == w["name"]:
have_host.append(host)
have_port.append(remoteif)
for item in want_neighbors:
host = item.get("host")
port = item.get("port")
if host and host not in have_host:
failed_conditions.append("host " + host)
if port and port not in have_port:
failed_conditions.append("port " + port)
return failed_conditions
def main():
"""main entry point for module execution"""
neighbors_spec = dict(host=dict(), port=dict())
element_spec = dict(
name=dict(),
description=dict(),
speed=dict(),
mtu=dict(),
duplex=dict(choices=["full", "half", "auto"]),
enabled=dict(default=True, type="bool"),
tx_rate=dict(),
rx_rate=dict(),
neighbors=dict(type="list", elements="dict", options=neighbors_spec),
delay=dict(default=10, type="int"),
state=dict(
default="present", choices=["present", "absent", "up", "down"]
),
)
aggregate_spec = deepcopy(element_spec)
aggregate_spec["name"] = 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)
)
argument_spec.update(element_spec)
argument_spec.update(ios_argument_spec)
required_one_of = [["name", "aggregate"]]
mutually_exclusive = [["name", "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))
result["commands"] = commands
if commands:
if not module.check_mode:
load_config(module, commands)
result["changed"] = True
failed_conditions = check_declarative_intent_params(module, want, result)
if failed_conditions:
msg = "One or more conditional statements have not been satisfied"
module.fail_json(msg=msg, failed_conditions=failed_conditions)
module.exit_json(**result)
if __name__ == "__main__":
main()