anthos-bm-edge-deployment/roles/update-automation/tasks/main.yaml

# Copyright 2022 Google LLC
#
# 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.

###
### Sets up the host systems to perform updates
###
### Based on configuration hosted on the machine, can be updated by Ansible Pull or a future agent
###

- name: Create folder for abm-install if not exist
  file:
    path: "{{ abm_install_folder }}"
    state: directory
    mode: '0755'

- name: Setup default update configuration file
  template:
    src: "abm-update-config.j2.conf"
    dest: "{{ abm_install_folder }}/abm-update-config.conf"
    owner: root
    group: root
    mode: '0600'

### unattended upgrades configuration & setup

# Set the upgrades to all happen daily (conditional to timer) and enable auto removal
- name: Replace unattended upgrades configuration
  template:
    src: "20auto-upgrades.j2.conf"
    dest: "/etc/apt/apt.conf.d/20auto-upgrades"
    owner: root
    group: root
    mode: '0600'

- name: Create folder for update timer config
  file:
    path: "/etc/systemd/system/apt-daily.timer.d"
    state: directory
    mode: '0700'

- name: Create folder for upgrade timer config
  file:
    path: "/etc/systemd/system/apt-daily-upgrade.timer.d/"
    state: directory
    mode: '0700'

- name: Set timer for apt UPDATE via unattended upgrades
  template:
    src: "apt-timer-update-override.j2.conf"
    dest: "/etc/systemd/system/apt-daily.timer.d/override.conf"
    owner: root
    group: root
    mode: '0600'

- name: Set timer for apt UPGRADE via unattended upgrades
  template:
    src: "apt-timer-upgrade-override.j2.conf"
    dest: "/etc/systemd/system/apt-daily-upgrade.timer.d/override.conf"
    owner: root
    group: root
    mode: '0600'

- name: Cron file for OS update
  template:
    src: "system-update-cron.j2"
    dest: "/etc/cron.d/system-update-cron"
    owner: root
    group: root
    mode: '0700'

### gcloud cron updates

- name: Script for gcloud cron update
  template:
    src: "gcloud-update-script.sh"
    dest: "{{ abm_install_folder }}/gcloud-update-script.sh"
    owner: root
    group: root
    mode: '0700'

- name: Set up logrotate for gcloud updates
  template:
    src: gcloud-update-logrotate.j2
    dest: /etc/logrotate.d/gcloud-update-log-rotate
    owner: root
    group: root
    mode: 0644

- name: Cron file for gcloud update
  template:
    src: "gcloud-update-cron.j2"
    dest: "/etc/cron.d/gcloud-update-cron"
    owner: root
    group: root
    mode: '0700'