93 lines
2.3 KiB
YAML
93 lines
2.3 KiB
YAML
- name: Set up Docker
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hosts: remote_host
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become: yes
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vars:
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docker_gpg_key_url: "https://download.docker.com/linux/ubuntu/gpg"
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docker_gpg_key_path: "/etc/apt/keyrings/docker.asc"
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tasks:
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- name: Check if Docker is installed
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command: which docker
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register: is_docker_present
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ignore_errors: yes
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- name: Check if docker is present
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debug:
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var: "Output of `which docker` is {{ is_docker_present }}"
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- block:
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- name: Exit if docker is present
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debug:
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msg: "Docker already on host, ending play"
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- meta: end_play
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when: is_docker_present.rc == 0
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- name: Update apt cache
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apt:
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update_cache: yes
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- name: Install prerequisites
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apt:
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name:
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- ca-certificates
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- curl
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state: present
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- name: Ensure keyrings directory exists
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file:
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path: "/etc/apt/keyrings"
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state: directory
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mode: '0755'
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- name: Download Docker GPG key
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get_url:
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url: "{{ docker_gpg_key_url }}"
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dest: "{{ docker_gpg_key_path }}"
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mode: '0644'
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- name: Get system architecture
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shell: dpkg --print-architecture
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register: system_arch
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- name: Add Docker repository
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apt_repository:
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repo: "deb [arch={{ system_arch.stdout }} signed-by={{ docker_gpg_key_path }}] https://download.docker.com/linux/ubuntu {{ ansible_lsb.codename }} stable"
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state: present
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filename: docker
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- name: Update apt cache
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apt:
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update_cache: yes
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- name: Install Docker packages
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apt:
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name:
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- docker-ce
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- docker-ce-cli
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- containerd.io
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- docker-buildx-plugin
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- docker-compose-plugin
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state: latest
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notify: Restart Docker
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- name: Verify Docker installation by running the hello world image
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command: docker run hello-world
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register: hello_world_output
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ignore_errors: true
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- name: Display hello-world output
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debug:
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var: hello_world_output.stdout_lines
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- name: Add user to docker group
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user:
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name: "{{ ansible_user }}"
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groups: docker
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append: true
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handlers:
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- name: Restart Docker
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service:
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name: docker
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state: restarted
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