mirror of
https://github.com/thegeeklab/ansible-later.git
synced 2024-07-06 09:00:58 +02:00
743 lines
25 KiB
Python
743 lines
25 KiB
Python
#!/usr/bin/python
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# -*- coding: utf-8 -*-
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# GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
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ANSIBLE_METADATA = {'metadata_version': '1.1',
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'status': ['preview'],
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'supported_by': 'network'}
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DOCUMENTATION = """
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---
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module: nxos_interface
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extends_documentation_fragment: nxos
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version_added: "2.1"
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short_description: Manages physical attributes of interfaces.
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description:
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- Manages physical attributes of interfaces of NX-OS switches.
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author:
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- Jason Edelman (@jedelman8)
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- Trishna Guha (@trishnaguha)
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notes:
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- Tested against NXOSv 7.3.(0)D1(1) on VIRL
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- This module is also used to create logical interfaces such as
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svis and loopbacks.
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- Be cautious of platform specific idiosyncrasies. For example,
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when you default a loopback interface, the admin state toggles
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on certain versions of NX-OS.
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- The M(nxos_overlay_global) C(anycast_gateway_mac) attribute must be
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set before setting the C(fabric_forwarding_anycast_gateway) property.
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options:
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name:
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description:
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- Full name of interface, i.e. Ethernet1/1, port-channel10.
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required: true
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aliases: [interface]
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interface_type:
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description:
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- Interface type to be unconfigured from the device.
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choices: ['loopback', 'portchannel', 'svi', 'nve']
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version_added: 2.2
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speed:
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description:
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- Interface link speed. Applicable for ethernet interface only.
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version_added: 2.5
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admin_state:
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description:
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- Administrative state of the interface.
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default: up
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choices: ['up','down']
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description:
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description:
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- Interface description.
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mode:
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description:
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- Manage Layer 2 or Layer 3 state of the interface.
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This option is supported for ethernet and portchannel interface.
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Applicable for ethernet and portchannel interface only.
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choices: ['layer2','layer3']
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mtu:
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description:
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- MTU for a specific interface. Must be an even number between 576 and 9216.
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Applicable for ethernet interface only.
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version_added: 2.5
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ip_forward:
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description:
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- Enable/Disable ip forward feature on SVIs.
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choices: ['enable','disable']
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version_added: 2.2
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fabric_forwarding_anycast_gateway:
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description:
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- Associate SVI with anycast gateway under VLAN configuration mode.
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Applicable for SVI interface only.
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type: bool
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version_added: 2.2
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duplex:
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description:
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- Interface link status. Applicable for ethernet interface only.
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default: auto
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choices: ['full', 'half', 'auto']
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version_added: 2.5
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tx_rate:
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description:
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- Transmit rate in bits per second (bps).
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- This is state check parameter only.
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- Supports conditionals, see L(Conditionals in Networking Modules,../network/user_guide/network_working_with_command_output.html)
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version_added: 2.5
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rx_rate:
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description:
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- Receiver rate in bits per second (bps).
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- This is state check parameter only.
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- Supports conditionals, see L(Conditionals in Networking Modules,../network/user_guide/network_working_with_command_output.html)
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version_added: 2.5
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neighbors:
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description:
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- Check the operational state of given interface C(name) for LLDP neighbor.
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- The following suboptions are available. This is state check parameter only.
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suboptions:
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host:
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description:
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- "LLDP neighbor host for given interface C(name)."
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port:
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description:
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- "LLDP neighbor port to which given interface C(name) is connected."
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version_added: 2.5
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aggregate:
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description: List of Interfaces definitions.
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version_added: 2.5
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state:
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description:
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- Specify desired state of the resource.
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default: present
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choices: ['present','absent','default']
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delay:
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description:
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- Time in seconds to wait before checking for the operational state on remote
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device. This wait is applicable for operational state arguments.
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default: 10
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"""
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EXAMPLES = """
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- name: Ensure an interface is a Layer 3 port and that it has the proper description
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nxos_interface:
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name: Ethernet1/1
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description: 'Configured by Ansible'
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mode: layer3
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- name: Admin down an interface
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nxos_interface:
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name: Ethernet2/1
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admin_state: down
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- name: Remove all loopback interfaces
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nxos_interface:
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name: loopback
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state: absent
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- name: Remove all logical interfaces
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nxos_interface:
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interface_type: "{{ item }} "
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state: absent
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loop:
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- loopback
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- portchannel
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- svi
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- nve
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- name: Admin up all loopback interfaces
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nxos_interface:
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name: loopback 0-1023
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admin_state: up
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- name: Admin down all loopback interfaces
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nxos_interface:
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name: looback 0-1023
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admin_state: down
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- name: Check neighbors intent arguments
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nxos_interface:
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name: Ethernet2/3
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neighbors:
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- port: Ethernet2/3
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host: abc.mycompany.com
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- name: Add interface using aggregate
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nxos_interface:
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aggregate:
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- { name: Ethernet0/1, mtu: 256, description: test-interface-1 }
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- { name: Ethernet0/2, mtu: 516, description: test-interface-2 }
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duplex: full
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speed: 100
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state: present
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- name: Delete interface using aggregate
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nxos_interface:
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aggregate:
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- name: Loopback9
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- name: Loopback10
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state: absent
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- name: Check intent arguments
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nxos_interface:
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name: Ethernet0/2
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state: up
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tx_rate: ge(0)
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rx_rate: le(0)
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"""
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RETURN = """
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commands:
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description: command list sent to the device
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returned: always
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type: list
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sample:
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- interface Ethernet2/3
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- mtu 1500
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- speed 10
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"""
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import re
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import time
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from copy import deepcopy
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from ansible.module_utils.network.nxos.nxos import load_config, run_commands
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from ansible.module_utils.network.nxos.nxos import nxos_argument_spec, normalize_interface
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from ansible.module_utils.network.nxos.nxos import get_interface_type
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from ansible.module_utils.basic import AnsibleModule
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from ansible.module_utils.network.common.utils import conditional, remove_default_spec
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def execute_show_command(command, module):
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if 'show run' not in command:
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output = 'json'
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else:
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output = 'text'
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cmds = [{
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'command': command,
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'output': output,
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}]
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body = run_commands(module, cmds, check_rc=False)
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if body and "Invalid" in body[0]:
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return []
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else:
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return body
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def search_obj_in_list(name, lst):
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for o in lst:
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if o['name'] == name:
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return o
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return None
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def get_interfaces_dict(module):
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"""Gets all active interfaces on a given switch
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"""
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try:
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body = execute_show_command('show interface', module)[0]
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except IndexError:
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return {}
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interfaces = {
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'ethernet': [],
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'svi': [],
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'loopback': [],
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'management': [],
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'portchannel': [],
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'nve': [],
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'unknown': []
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}
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if body:
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interface_list = body['TABLE_interface']['ROW_interface']
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for index in interface_list:
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intf = index['interface']
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intf_type = get_interface_type(intf)
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interfaces[intf_type].append(intf)
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return interfaces
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def get_vlan_interface_attributes(name, intf_type, module):
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""" Returns dictionary that has two k/v pairs:
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admin_state & description if not an svi, returns None
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"""
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command = 'show run interface {0} all'.format(name)
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try:
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body = execute_show_command(command, module)[0]
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except (IndexError, TypeError):
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return None
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if body:
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command_list = body.split('\n')
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desc = None
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admin_state = 'down'
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for each in command_list:
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if 'description' in each:
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desc = each.lstrip().split("description")[1].lstrip()
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elif 'no shutdown' in each:
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admin_state = 'up'
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return dict(description=desc, admin_state=admin_state)
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else:
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return None
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def get_interface_type_removed_cmds(interfaces):
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commands = []
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for interface in interfaces:
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if interface != 'Vlan1':
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commands.append('no interface {0}'.format(interface))
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return commands
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def get_admin_state(admin_state):
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command = ''
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if admin_state == 'up':
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command = 'no shutdown'
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elif admin_state == 'down':
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command = 'shutdown'
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return command
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def is_default_interface(name, module):
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"""Checks to see if interface exists and if it is a default config
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"""
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command = 'show run interface {0}'.format(name)
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try:
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body = execute_show_command(command, module)[0]
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except (IndexError, TypeError) as e:
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body = ''
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if body:
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raw_list = body.split('\n')
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found = False
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for line in raw_list:
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if line.startswith('interface'):
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found = True
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if found and line and not line.startswith('interface'):
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return False
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return True
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else:
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return 'DNE'
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def add_command_to_interface(interface, cmd, commands):
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if interface not in commands:
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commands.append(interface)
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commands.append(cmd)
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def map_obj_to_commands(updates, module):
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commands = list()
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commands2 = list()
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want, have = updates
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args = ('speed', 'description', 'duplex', 'mtu')
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for w in want:
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name = w['name']
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mode = w['mode']
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ip_forward = w['ip_forward']
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fabric_forwarding_anycast_gateway = w['fabric_forwarding_anycast_gateway']
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admin_state = w['admin_state']
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state = w['state']
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interface_type = w['interface_type']
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del w['state']
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if name:
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w['interface_type'] = None
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if interface_type:
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obj_in_have = {}
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if state in ('present', 'default'):
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module.fail_json(msg='The interface_type param can be used only with state absent.')
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else:
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obj_in_have = search_obj_in_list(name, have)
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is_default = is_default_interface(name, module)
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if name:
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interface = 'interface ' + name
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if state == 'absent':
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if obj_in_have:
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commands.append('no interface {0}'.format(name))
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elif interface_type and not obj_in_have:
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intfs = get_interfaces_dict(module)[interface_type]
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cmds = get_interface_type_removed_cmds(intfs)
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commands.extend(cmds)
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elif state == 'present':
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if obj_in_have:
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# Don't run switchport command for loopback and svi interfaces
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if get_interface_type(name) in ('ethernet', 'portchannel'):
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if mode == 'layer2' and mode != obj_in_have.get('mode'):
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add_command_to_interface(interface, 'switchport', commands)
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elif mode == 'layer3' and mode != obj_in_have.get('mode'):
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add_command_to_interface(interface, 'no switchport', commands)
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if admin_state == 'up' and admin_state != obj_in_have.get('admin_state'):
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add_command_to_interface(interface, 'no shutdown', commands)
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elif admin_state == 'down' and admin_state != obj_in_have.get('admin_state'):
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add_command_to_interface(interface, 'shutdown', commands)
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if ip_forward == 'enable' and ip_forward != obj_in_have.get('ip_forward'):
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add_command_to_interface(interface, 'ip forward', commands)
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elif ip_forward == 'disable' and ip_forward != obj_in_have.get('ip forward'):
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add_command_to_interface(interface, 'no ip forward', commands)
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if (fabric_forwarding_anycast_gateway is True and
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obj_in_have.get('fabric_forwarding_anycast_gateway') is False):
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add_command_to_interface(interface, 'fabric forwarding mode anycast-gateway', commands)
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elif (fabric_forwarding_anycast_gateway is False and
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obj_in_have.get('fabric_forwarding_anycast_gateway') is True):
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add_command_to_interface(interface, 'no fabric forwarding mode anycast-gateway', commands)
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for item in args:
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candidate = w.get(item)
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if candidate and candidate != obj_in_have.get(item):
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cmd = item + ' ' + str(candidate)
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add_command_to_interface(interface, cmd, commands)
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if name and get_interface_type(name) == 'ethernet':
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if mode != obj_in_have.get('mode'):
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admin_state = w.get('admin_state') or obj_in_have.get('admin_state')
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if admin_state:
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c1 = 'interface {0}'.format(normalize_interface(w['name']))
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c2 = get_admin_state(admin_state)
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commands2.append(c1)
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commands2.append(c2)
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else:
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commands.append(interface)
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# Don't run switchport command for loopback and svi interfaces
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if get_interface_type(name) in ('ethernet', 'portchannel'):
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if mode == 'layer2':
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commands.append('switchport')
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elif mode == 'layer3':
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commands.append('no switchport')
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if admin_state == 'up':
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commands.append('no shutdown')
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elif admin_state == 'down':
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commands.append('shutdown')
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if ip_forward == 'enable':
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commands.append('ip forward')
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elif ip_forward == 'disable':
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commands.append('no ip forward')
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if fabric_forwarding_anycast_gateway is True:
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commands.append('fabric forwarding mode anycast-gateway')
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elif fabric_forwarding_anycast_gateway is False:
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commands.append('no fabric forwarding mode anycast-gateway')
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for item in args:
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candidate = w.get(item)
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if candidate:
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commands.append(item + ' ' + str(candidate))
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elif state == 'default':
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if is_default is False:
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commands.append('default interface {0}'.format(name))
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elif is_default == 'DNE':
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module.exit_json(msg='interface you are trying to default does not exist')
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return commands, commands2
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def map_params_to_obj(module):
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obj = []
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aggregate = module.params.get('aggregate')
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if aggregate:
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for item in aggregate:
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for key in item:
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if item.get(key) is None:
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item[key] = module.params[key]
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d = item.copy()
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name = d['name']
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d['name'] = normalize_interface(name)
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obj.append(d)
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else:
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obj.append({
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'name': normalize_interface(module.params['name']),
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'description': module.params['description'],
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'speed': module.params['speed'],
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'mode': module.params['mode'],
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'mtu': module.params['mtu'],
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'duplex': module.params['duplex'],
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'ip_forward': module.params['ip_forward'],
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'fabric_forwarding_anycast_gateway': module.params['fabric_forwarding_anycast_gateway'],
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'admin_state': module.params['admin_state'],
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'state': module.params['state'],
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'interface_type': module.params['interface_type'],
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'tx_rate': module.params['tx_rate'],
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'rx_rate': module.params['rx_rate'],
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'neighbors': module.params['neighbors']
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})
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return obj
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def map_config_to_obj(want, module):
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objs = list()
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for w in want:
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obj = dict(name=None, description=None, admin_state=None, speed=None,
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mtu=None, mode=None, duplex=None, interface_type=None,
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ip_forward=None, fabric_forwarding_anycast_gateway=None)
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if not w['name']:
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return obj
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command = 'show interface {0}'.format(w['name'])
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try:
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body = execute_show_command(command, module)[0]
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except IndexError:
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return list()
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if body:
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try:
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interface_table = body['TABLE_interface']['ROW_interface']
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except (KeyError, TypeError):
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return list()
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if interface_table:
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if interface_table.get('eth_mode') == 'fex-fabric':
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module.fail_json(msg='nxos_interface does not support interfaces with mode "fex-fabric"')
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intf_type = get_interface_type(w['name'])
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if intf_type in ['portchannel', 'ethernet']:
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mode = interface_table.get('eth_mode')
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if mode in ('access', 'trunk', 'dot1q-tunnel'):
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obj['mode'] = 'layer2'
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elif mode in ('routed', 'layer3'):
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obj['mode'] = 'layer3'
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else:
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obj['mode'] = 'layer3'
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if intf_type == 'ethernet':
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obj['name'] = normalize_interface(interface_table.get('interface'))
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obj['admin_state'] = interface_table.get('admin_state')
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obj['description'] = interface_table.get('desc')
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obj['mtu'] = interface_table.get('eth_mtu')
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obj['duplex'] = interface_table.get('eth_duplex')
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speed = interface_table.get('eth_speed')
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command = 'show run interface {0}'.format(obj['name'])
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body = execute_show_command(command, module)[0]
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|
|
speed_match = re.search(r'speed (\d+)', body)
|
|
if speed_match is None:
|
|
obj['speed'] = 'auto'
|
|
else:
|
|
obj['speed'] = speed_match.group(1)
|
|
|
|
duplex_match = re.search(r'duplex (\S+)', body)
|
|
if duplex_match is None:
|
|
obj['duplex'] = 'auto'
|
|
else:
|
|
obj['duplex'] = duplex_match.group(1)
|
|
|
|
if 'ip forward' in body:
|
|
obj['ip_forward'] = 'enable'
|
|
else:
|
|
obj['ip_forward'] = 'disable'
|
|
|
|
elif intf_type == 'svi':
|
|
obj['name'] = normalize_interface(interface_table.get('interface'))
|
|
attributes = get_vlan_interface_attributes(obj['name'], intf_type, module)
|
|
obj['admin_state'] = str(attributes.get('admin_state',
|
|
'nxapibug'))
|
|
obj['description'] = str(attributes.get('description',
|
|
'nxapi_bug'))
|
|
obj['mtu'] = interface_table.get('svi_mtu')
|
|
|
|
command = 'show run interface {0}'.format(obj['name'])
|
|
body = execute_show_command(command, module)[0]
|
|
if 'ip forward' in body:
|
|
obj['ip_forward'] = 'enable'
|
|
else:
|
|
obj['ip_forward'] = 'disable'
|
|
if 'fabric forwarding mode anycast-gateway' in body:
|
|
obj['fabric_forwarding_anycast_gateway'] = True
|
|
else:
|
|
obj['fabric_forwarding_anycast_gateway'] = False
|
|
|
|
elif intf_type in ('loopback', 'management', 'nve'):
|
|
obj['name'] = normalize_interface(interface_table.get('interface'))
|
|
obj['admin_state'] = interface_table.get('admin_state')
|
|
obj['description'] = interface_table.get('desc')
|
|
|
|
elif intf_type == 'portchannel':
|
|
obj['name'] = normalize_interface(interface_table.get('interface'))
|
|
obj['admin_state'] = interface_table.get('admin_state')
|
|
obj['description'] = interface_table.get('desc')
|
|
obj['mtu'] = interface_table.get('eth_mtu')
|
|
|
|
objs.append(obj)
|
|
|
|
return objs
|
|
|
|
|
|
def check_declarative_intent_params(module, want):
|
|
failed_conditions = []
|
|
have_neighbors = None
|
|
for w in want:
|
|
want_tx_rate = w.get('tx_rate')
|
|
want_rx_rate = w.get('rx_rate')
|
|
want_neighbors = w.get('neighbors')
|
|
|
|
time.sleep(module.params['delay'])
|
|
|
|
if w['interface_type']:
|
|
return
|
|
|
|
cmd = [{'command': 'show interface {0}'.format(w['name']), 'output': 'text'}]
|
|
|
|
try:
|
|
out = run_commands(module, cmd, check_rc=False)[0]
|
|
except (AttributeError, IndexError, TypeError):
|
|
out = ''
|
|
|
|
if want_tx_rate:
|
|
match = re.search(r'output rate (\d+)', 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(r'input rate (\d+)', 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 = []
|
|
if have_neighbors is None:
|
|
cmd = [{'command': 'show lldp neighbors interface {0} detail'.format(w['name']), 'output': 'text'}]
|
|
output = run_commands(module, cmd, check_rc=False)
|
|
if output:
|
|
have_neighbors = output[0]
|
|
else:
|
|
have_neighbors = ''
|
|
if have_neighbors and 'Total entries displayed: 0' not in have_neighbors:
|
|
for line in have_neighbors.strip().split('\n'):
|
|
if line.startswith('Port Description'):
|
|
have_port.append(line.split(': ')[1])
|
|
if line.startswith('System Name'):
|
|
have_host.append(line.split(': ')[1])
|
|
|
|
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(aliases=['interface']),
|
|
admin_state=dict(default='up', choices=['up', 'down']),
|
|
description=dict(),
|
|
speed=dict(),
|
|
mode=dict(choices=['layer2', 'layer3']),
|
|
mtu=dict(),
|
|
duplex=dict(choices=['full', 'half', 'auto']),
|
|
interface_type=dict(choices=['loopback', 'portchannel', 'svi', 'nve']),
|
|
ip_forward=dict(choices=['enable', 'disable']),
|
|
fabric_forwarding_anycast_gateway=dict(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(choices=['absent', 'present', 'default'], default='present')
|
|
)
|
|
|
|
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,
|
|
mutually_exclusive=[['name', 'interface_type']])
|
|
)
|
|
|
|
argument_spec.update(element_spec)
|
|
argument_spec.update(nxos_argument_spec)
|
|
|
|
required_one_of = [['name', 'aggregate', 'interface_type']]
|
|
mutually_exclusive = [['name', 'aggregate'],
|
|
['name', 'interface_type']]
|
|
|
|
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(want, module)
|
|
|
|
commands = []
|
|
commands1, commands2 = map_obj_to_commands((want, have), module)
|
|
commands.extend(commands1)
|
|
|
|
if commands:
|
|
if not module.check_mode:
|
|
load_config(module, commands)
|
|
result['changed'] = True
|
|
# if the mode changes from L2 to L3, the admin state
|
|
# seems to change after the API call, so adding a second API
|
|
# call to ensure it's in the desired state.
|
|
if commands2:
|
|
load_config(module, commands2)
|
|
commands.extend(commands2)
|
|
commands = [cmd for cmd in commands if cmd != 'configure']
|
|
result['commands'] = commands
|
|
|
|
if result['changed']:
|
|
failed_conditions = check_declarative_intent_params(module, want)
|
|
|
|
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()
|