roles/local-ubuntu-repository/tasks/main.yml

# Copyright 2017-present Open Networking Foundation
#
# 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
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---
- name: Ensure Local Repository Settings
  become: yes
  template:
    backup: yes
    dest: /etc/apt/sources.list
    src: sources.list.j2
    group: root
    owner: root
    mode: "0644"
  when: ubuntu_apt_repo is defined

- name: Capture Existing Respositories
  command: find /etc/apt/sources.list.d \! -type d -name '*.list'
  changed_when: false
  register: existing_repo_lists
  when: ubuntu_apt_repo is defined

- name: Capture Timestamp
  set_fact:
    timestamp: "{{ lookup('pipe', 'date +%Y-%m-%d@%H:%M:%S') }}"
  changed_when: false
  when: ubuntu_apt_repo is defined

- name: Backup Existing Respositories
  become: yes
  copy:
    remote_src: True
    src:  "{{ item }}"
    dest: "{{ item }}.{{ timestamp }}~"
  with_items: "{{ existing_repo_lists['stdout_lines'] | default([])  }}"
  when: ubuntu_apt_repo is defined

- name: Remove Existing Repositories
  become: yes
  file:
    state: absent
    path: "{{ item }}"
  with_items: "{{ existing_repo_lists['stdout_lines'] | default([]) }}"
  when: ubuntu_apt_repo is defined

- name: Ensure Update Repository List
  become: yes
  apt:
    update_cache: yes
  when: ubuntu_apt_repo is defined