Added support for RHEL 7 & 8

master
shnee 4 years ago
parent f56e439967
commit b1df5ccd17

@ -2,16 +2,94 @@
# A list of users to be added to the docker group.
docker_users: []
centos_repo_file: docker-ce.repo
centos_repo_full_path: "/etc/yum.repos.d/{{ centos_repo_file }}"
centos_repo_url: "https://download.docker.com/linux/centos/\
{{ centos_repo_file }}"
docker_base_url: "https://download.docker.com/linux"
docker_distro_aliases:
CentOS: centos
# RedHat -> centos is intentional.
RedHat: centos
Ubuntu: ubuntu
docker_distro_base_url: "{{ docker_base_url }}/\
{{ docker_distro_aliases[ansible_distribution] }}"
ubuntu_docker_base_url: https://download.docker.com/linux/ubuntu
ubuntu_gpg_url: "{{ ubuntu_docker_base_url }}/gpg"
################################################################################
# RedHat family docker repo.
################################################################################
redhat_fam_docker_repo_file: docker-ce.repo
redhat_fam_repo_url: "{{ docker_base_url }}/\
{{ docker_distro_aliases[ansible_distribution] }}/\
{{ redhat_fam_docker_repo_file }}"
redhat_fam_docker_repo_full_path: "{{ redhat_fam_repo_base_path }}/\
{{ redhat_fam_docker_repo_file }}"
################################################################################
# RedHat family extras repo.
#
# The extras repo holds some packages that are dependencies of docker.
################################################################################
redhat_fam_repo_base_path: /etc/yum.repos.d
# RedHat 8 doesn't seem to have an extras repo. Docker also installs fine i RHEL
# 8 without making any changes to an extras repo.
redhat_7_extras_repo_file: redhat.repo
redhat_7_extras_group: rhel-7-server-extras-rpms
centos_7_extras_repo_file: CentOS-Sources.repo
centos_8_extras_repo_file: CentOS-Linux-Extras.repo
centos_7_8_extras_group: extras
redhat_fam_extras_repo_file:
CentOS:
"7":
repo: "{{ redhat_fam_repo_base_path }}/{{ centos_7_extras_repo_file }}"
group: "{{ centos_7_8_extras_group }}"
"8":
repo: "{{ redhat_fam_repo_base_path }}/{{ centos_8_extras_repo_file }}"
group: "{{ centos_7_8_extras_group }}"
RedHat:
"7":
repo: "{{ redhat_fam_repo_base_path }}/{{ redhat_7_extras_repo_file }}"
group: "{{ redhat_7_extras_group }}"
################################################################################
# Ubuntu 3rd party repo.
################################################################################
ubuntu_gpg_url: "{{ docker_distro_base_url }}/gpg"
ubuntu_gpg_fingerprint: 9DC858229FC7DD38854AE2D88D81803C0EBFCD88
ubuntu_apt_repo: >
deb [arch=amd64]
"{{ ubuntu_docker_base_url }}"
"{{ docker_distro_base_url }}"
"{{ ansible_distribution_release }}"
stable
################################################################################
# Thes are the packages that are removed before adding the 3rd party repo.
################################################################################
centos_remove_old_packages:
- docker
- docker-client
- docker-client-latest
- docker-common
- docker-latest
- docker-latest-logrotate
- docker-logrotate
- docker-engine
ubuntu_remove_old_packages:
- docker
- docker-engine
- docker.io
- containerd
- runc
# A map of ansible_distribution -> old packages to remove.
#
# We use centos for RedHat because Docker doesn't officially support RHEL for
# x86_64, however the centos repo works.
docker_remove_old_packages:
CentOS: "{{centos_remove_old_packages}}"
RedHat: "{{centos_remove_old_packages}}"
Ubuntu: "{{ubuntu_remove_old_packages}}"

@ -16,9 +16,11 @@ galaxy_info:
- name: Amazon Linux 2
versions:
- all
- name: EL
- 7
- 8
- name: Ubuntu
- focal # 20.04
# CentOS is apparently not in https://galaxy.ansible.com/api/v1/platforms/
galaxy_tags:
- containers

@ -2,27 +2,38 @@
# This has only been tests on Amazon Linux 2, CentOS 7-8, Ubuntu 20.04, and
# ArchLinux.
################################################################################
# Prequisites
# This step will:
# 1. Remove any unwanted docker packages, (we want newest package from official
# docker repos.
# 2. Install dependencies.
# 3. Add official docker repo.
################################################################################
# Archlinux and Amazon Linux don't have any prequisite steps, they're
# repositories have up to date docker packages so we don't need to add a 3rd
# party repo or uninstall unwanted packages.
- include_tasks: prereq_centos.yml
when: ansible_distribution == "CentOS"
- include_tasks: prereq_redhat_family.yml
# We need to exclude Amazon because it's technically in the "RedHat" family
# but it does not require these prereq steps.
when: ansible_os_family == "RedHat" and ansible_distribution != "Amazon"
- include_tasks: prereq_ubuntu.yml
when: ansible_distribution == "Ubuntu"
# The arch cloud image does not have a package cache.
################################################################################
# End prerequisite steps
################################################################################
# The arch cloud image does not have a package cache, this file will update the
# cache only if we need to install the docker package (not already installed).
- include_tasks: update_arch.yml
when: ansible_distribution == "Archlinux"
# Install the docker packages. The packages and their names depends on the
# distro,
- name: Install docker packages after adding 3rd party repo.
package:
name:

@ -1,103 +0,0 @@
---
# This commented out code was an attempt to make sure the CentOS extras repo is
# enabled.
# TODO This isn't working. It will create the repo everytime regardless whether
# or not the repo is already enabled. For now we leave it because this repo is
# enabled by defaullt on CentOS 7 & 8
#
# https://docs.docker.com/engine/install/centos/#os-requirements
# Look in /etc/yum.repos.d/ for examples of the fields for a repo. This files
# have variables in their config. To get the values of the variables you can
# run:
# `python -c 'import yum; yb = yum.YumBase(); print(yb.conf.yumvar)'`
# - name: Ensure CentOS extras repo is enbaled for CentOS 7.
# yum_repository:
# name: extras
# description: CentOS-{{ ansible_distribution_major_version }} - Extras
# enabled: true
# mirrorlist: "http://mirrorlist.centos.org/?\
# release={{ ansible_distribution_major_version }}&\
# arch={{ ansible_architecture }}&\
# repo=extras&infra=genclo"
# gpgcheck: true
# become: true
# when: >
# ansible_distribution == "CentOS" and
# ansible_distribution_major_version == "7"
# - name: Ensure CentOS extras repo is enbaled for CentOS 8.
# yum_repository:
# name: extras
# description: >
# CentOS Linux {{ ansible_distribution_major_version }} - Extras
# enabled: true
# mirrorlist: "http://mirrorlist.centos.org/?\
# release={{ ansible_distribution_major_version }}&\
# arch={{ ansible_architecture }}&\
# repo=extras&infra=genclo"
# gpgcheck: true
# become: true
# when: >
# ansible_distribution == "CentOS" and
# ansible_distribution_major_version == "8"
# TODO Add this step.
# https://docs.docker.com/engine/install/centos/#os-requirements
################################################################################
# Uninstall unwanted docker packages.
################################################################################
# This step combines "Uninstall old versions" for RedHat family distros.
# https://docs.docker.com/engine/install/centos/#uninstall-old-versions
# https://docs.docker.com/engine/install/fedora/#uninstall-old-versions
# https://docs.docker.com/engine/install/rhel/#uninstall-old-versions
# We check if a docker repo has alredy been added to yum. If so, then we want to
# skip the removing of the old docker packages to make this script more
# idempotent.
- name: Check if docker repo has alredy been added.
command: yum repolist # noqa command-instead-of-module
changed_when: false
register: repolist
- name: Uninstall old versions of docker RedHat like distros..
yum:
name:
- docker
- docker-client
- docker-client-latest
- docker-common
- docker-latest
- docker-latest-logrotate
- docker-logrotate
- docker-selinux
- docker-engine-selinux
- docker-engine
- podman
- runc
state: absent
become: true
when: "'docker' not in repolist.stdout"
################################################################################
# Install dependencies
################################################################################
# https://docs.docker.com/engine/install/centos/#install-using-the-repository
- name: Install dependencies for yum distros.
yum:
name:
- yum-utils
state: present
become: true
################################################################################
# Install docker repo.
################################################################################
# https://docs.docker.com/engine/install/centos/#install-using-the-repository
- name: Add docker yum repo for centos.
command:
cmd: "yum-config-manager --add-repo {{ centos_repo_url }}"
creates: "{{ centos_repo_full_path }}"
become: true

@ -0,0 +1,63 @@
---
# https://docs.docker.com/engine/install/centos/#os-requirements
- name: Enable the extras repo in RedHat family distros.
ini_file:
path: "{{ redhat_fam_extras_repo_file[ansible_distribution]\
[ansible_distribution_major_version].repo }}"
section: "{{ redhat_fam_extras_repo_file[ansible_distribution]\
[ansible_distribution_major_version].group }}"
option: enabled
value: 1
mode: '0644'
exclusive: true
state: present
backup: true
become: true
when: >
ansible_distribution == "CentOS" or
( ansible_distribution == "RedHat" and
ansible_distribution_major_version == "7" )
################################################################################
# Uninstall unwanted docker packages.
################################################################################
# https://docs.docker.com/engine/install/centos/#uninstall-old-versions
#
# We check if a docker repo has alredy been added to yum. If so, then we want to
# skip the removing of the old docker packages to make this script more
# idempotent.
- name: Check if docker repo has already been added.
command: yum repolist # noqa command-instead-of-module
changed_when: false
register: repolist
- name: Uninstall old versions of docker RedHat like distros.
yum:
name: "{{ docker_remove_old_packages[ansible_distribution] }}"
state: absent
become: true
when: "'docker' not in repolist.stdout"
################################################################################
# Install dependencies
################################################################################
# https://docs.docker.com/engine/install/centos/#install-using-the-repository
- name: Install dependencies for yum distros.
yum:
name:
- yum-utils
state: present
become: true
################################################################################
# Install docker repo.
################################################################################
# https://docs.docker.com/engine/install/centos/#install-using-the-repository
- name: Add docker yum repo for centos.
command:
cmd: "yum-config-manager --add-repo {{ redhat_fam_repo_url }}"
creates: "{{ redhat_fam_docker_repo_full_path }}"
become: true

@ -6,12 +6,7 @@
# https://docs.docker.com/engine/install/ubuntu/#uninstall-old-versions
- name: Remove old docker packages for Debian like distros.
apt:
name:
- docker
- docker-engine
- docker.io
- containerd
- runc
name: "{{ docker_remove_old_packages[ansible_distribution] }}"
state: absent
become: true

@ -1,5 +1,5 @@
---
# These tasks will update the pacman repos if Docker is not alredy instflled.
# These tasks will update the pacman repos if Docker is not already installed.
#
# We only want to update the chache if needed, otherwise this will break
# idempotentcy.

Loading…
Cancel
Save