Galera cluster deployment based on docker swarm using Linux Containers (LXC) with automatic deployment via Ansible.
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- name: Install python-apt to use ansible apt module
shell: apt update && apt install -y python-apt
- name: Ensure python and other dependencies are installed.
apt:
name:
- apt-transport-https
- ca-certificates
- gnupg
- python-pip
#- python-docker
state: present
- name: pip install docker
pip:
name: docker
state: present
- name: Add docker gpg key
#shell: wget https://download.docker.com/linux/debian/gpg -O - | apt-key add -
apt_key:
url: "https://download.docker.com/linux/debian/gpg"
state: present
- name: Add docker stable repository for debian
apt_repository:
repo: "deb https://download.docker.com/linux/debian stretch stable"
state: present
- name: Install lxc & docker
apt:
name:
- lxc
- docker
- docker-ce
- python-lxc
when: inventory_hostname in groups['manager']
- name: Install docker on worker nodes
apt:
name:
- docker-ce
when: inventory_hostname in groups['workers']
- name: Fix docker module missing issue
command: touch /.dockerenv
run_once: true
when: inventory_hostname in groups['workers']
notify: Restart docker