lookup_interface_names.yml

---
# Copyright 2019 IBM Corp.
#
# All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

- name: Lookup device names for any physical interface with rename=false
  hosts: client_nodes
  gather_facts: True
  vars:
    mac_to_device: {}
    set_macs: {}
  tasks:
    - name: Create dictionary mapping MAC addresses to device names
      set_fact:
        mac_to_device: "{{ mac_to_device| combine( \
                        {vars['ansible_' + item]['macaddress']: item} ) }}"
      with_items: "{{ ansible_interfaces }}"
      when: vars['ansible_' + item]['macaddress'] is defined

    - name: Create list of PXE MACs with rename=false in inventory
      set_fact:
        set_macs: "{{ set_macs| combine( {item.0: mac_to_device[item.0|lower]} ) }}"
      with_together:
        - "{{ vars['pxe']['macs'] }}"
        - "{{ vars['pxe']['rename'] }}"
      when:
        - item.0 is not none
        - not item.1

    - name: Create list of data MACs with rename=false in inventory
      set_fact:
        set_macs: "{{ set_macs| combine( {item.0: mac_to_device[item.0|lower]} ) }}"
      with_together:
        - "{{ vars['data']['macs'] }}"
        - "{{ vars['data']['rename'] }}"
      when:
        - item.0 is not none
        - not item.1

- name: Modify interface device names in inventory
  hosts: deployer
  vars:
    set_macs_all: {}
  tasks:
    - name: Combine client node tables
      set_fact:
        set_macs_all: "{{ set_macs_all| combine(hostvars[item]['set_macs']) }}"
      with_items: "{{ groups['client_nodes'] }}"
      when: hostvars[item]['set_macs'] is defined

    - name: Call 'inv_set_interface_names.py' with lookup data
      command: "{{ python_executable }} \
                {{ scripts_path }}/python/inv_set_interface_names.py \
                {{ item.key }} {{ item.value }} {{ config_path }}"
      with_dict: "{{ set_macs_all }}"

- name: Disable any ifcfg scripts that will become stale after renames
  hosts: client_nodes
  gather_facts: True
  vars:
    stale_devs: []
  tasks:
    - block:
        - name: Create list of PXE devices that will be renamed
          set_fact:
            stale_devs: "{{ stale_devs + [mac_to_device[item.0|lower]] }}"
          with_together:
            - "{{ vars['pxe']['macs'] }}"
            - "{{ vars['pxe']['rename'] }}"
            - "{{ vars['pxe']['devices'] }}"
          when:
            - item.0 is not none
            - item.1
            - item.2 != mac_to_device[item.0|lower]

        - name: Create list of Data devices that will be renamed
          set_fact:
            stale_devs: "{{ stale_devs + [mac_to_device[item.0|lower]] }}"
          with_together:
            - "{{ vars['data']['macs'] }}"
            - "{{ vars['data']['rename'] }}"
            - "{{ vars['data']['devices'] }}"
          when:
            - item.0 is not none
            - item.1
            - item.2 != mac_to_device[item.0|lower]

        - name: Find all interface configuration scripts
          find:
            paths: /etc/sysconfig/network-scripts/
            patterns: 'ifcfg-*'
          register: ifcfg_scripts

        - name: Disable any interface scripts that will become stale
          lineinfile:
            path: "{{ item.path }}"
            regexp: '^ONBOOT='
            line: 'ONBOOT=no  # Disabled by POWER-Up'
          when:
            - (item.path | basename).split('-')[1] != 'lo'
            - (item.path | basename).split('-')[1] in stale_devs
          loop: "{{ ifcfg_scripts.files }}"
      when: (ansible_distribution == 'CentOS' or
             ansible_distribution == 'RedHat')
...