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@ -1,6 +1,6 @@
# Ansible Role: Docker # Ansible Role: Docker
[![CI](https://github.com/geerlingguy/ansible-role-docker/actions/workflows/ci.yml/badge.svg)](https://github.com/geerlingguy/ansible-role-docker/actions/workflows/ci.yml) [![CI](https://github.com/geerlingguy/ansible-role-docker/workflows/CI/badge.svg?event=push)](https://github.com/geerlingguy/ansible-role-docker/actions?query=workflow%3ACI)
An Ansible Role that installs [Docker](https://www.docker.com) on Linux. An Ansible Role that installs [Docker](https://www.docker.com) on Linux.
@ -35,18 +35,11 @@ docker_obsolete_packages:
- docker.io - docker.io
- docker-engine - docker-engine
- docker-doc - docker-doc
- docker-compose
- docker-compose-v2
- podman-docker - podman-docker
- containerd - containerd
- runc - runc
``` ```
`docker_obsolete_packages` for different os-family:
- [`RedHat.yaml`](./vars/RedHat.yml)
- [`Debian.yaml`](./vars/Debian.yml)
A list of packages to be uninstalled prior to running this role. See [Docker's installation instructions](https://docs.docker.com/engine/install/debian/#uninstall-old-versions) for an up-to-date list of old packages that should be removed. A list of packages to be uninstalled prior to running this role. See [Docker's installation instructions](https://docs.docker.com/engine/install/debian/#uninstall-old-versions) for an up-to-date list of old packages that should be removed.
```yaml ```yaml
@ -68,8 +61,8 @@ Docker Compose Plugin installation options. These differ from the below in that
```yaml ```yaml
docker_install_compose: false docker_install_compose: false
docker_compose_version: "v2.32.1" docker_compose_version: "2.29.2"
docker_compose_arch: "{{ ansible_facts.architecture }}" docker_compose_arch: "{{ ansible_architecture }}"
docker_compose_url: "https://github.com/docker/compose/releases/download/{{ docker_compose_version }}/docker-compose-linux-{{ docker_compose_arch }}" docker_compose_url: "https://github.com/docker/compose/releases/download/{{ docker_compose_version }}/docker-compose-linux-{{ docker_compose_arch }}"
docker_compose_path: /usr/local/bin/docker-compose docker_compose_path: /usr/local/bin/docker-compose
``` ```
@ -90,10 +83,10 @@ The main Docker repo URL, common between Debian and RHEL systems.
```yaml ```yaml
docker_apt_release_channel: stable docker_apt_release_channel: stable
docker_apt_arch: "{{ 'arm64' if ansible_facts.architecture == 'aarch64' else 'amd64' }}" docker_apt_arch: "{{ 'arm64' if ansible_architecture == 'aarch64' else 'amd64' }}"
docker_apt_repository: "deb [arch={{ docker_apt_arch }}{{' signed-by=/etc/apt/keyrings/docker.asc' if add_repository_key is not failed}}] {{ docker_repo_url }}/{{ ansible_facts.distribution | lower }} {{ ansible_facts.distribution_release }} {{ docker_apt_release_channel }}" docker_apt_repository: "deb [arch={{ docker_apt_arch }}] {{ docker_repo_url }}/{{ ansible_distribution | lower }} {{ ansible_distribution_release }} {{ docker_apt_release_channel }}"
docker_apt_ignore_key_error: True docker_apt_ignore_key_error: True
docker_apt_gpg_key: "{{ docker_repo_url }}/{{ ansible_facts.distribution | lower }}/gpg" docker_apt_gpg_key: "{{ docker_repo_url }}/{{ ansible_distribution | lower }}/gpg"
docker_apt_filename: "docker" docker_apt_filename: "docker"
``` ```
@ -103,10 +96,10 @@ You can change `docker_apt_gpg_key` to a different url if you are behind a firew
Usually in combination with changing `docker_apt_repository` as well. `docker_apt_filename` controls the name of the source list file created in `sources.list.d`. If you are upgrading from an older (<7.0.0) version of this role, you should change this to the name of the existing file (e.g. `download_docker_com_linux_debian` on Debian) to avoid conflicting lists. Usually in combination with changing `docker_apt_repository` as well. `docker_apt_filename` controls the name of the source list file created in `sources.list.d`. If you are upgrading from an older (<7.0.0) version of this role, you should change this to the name of the existing file (e.g. `download_docker_com_linux_debian` on Debian) to avoid conflicting lists.
```yaml ```yaml
docker_yum_repo_url: "{{ docker_repo_url }}/{{ (ansible_facts.distribution == 'Fedora') | ternary('fedora','centos') }}/docker-{{ docker_edition }}.repo" docker_yum_repo_url: "{{ docker_repo_url }}/{{ (ansible_distribution == 'Fedora') | ternary('fedora','centos') }}/docker-{{ docker_edition }}.repo"
docker_yum_repo_enable_nightly: '0' docker_yum_repo_enable_nightly: '0'
docker_yum_repo_enable_test: '0' docker_yum_repo_enable_test: '0'
docker_yum_gpg_key: "{{ docker_repo_url }}/{{ (ansible_facts.distribution == 'Fedora') | ternary('fedora', 'centos') }}/gpg" docker_yum_gpg_key: "{{ docker_repo_url }}/centos/gpg"
``` ```
(Used only for RedHat/CentOS.) You can enable the Nightly or Test repo by setting the respective vars to `1`. (Used only for RedHat/CentOS.) You can enable the Nightly or Test repo by setting the respective vars to `1`.

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@ -13,8 +13,6 @@ docker_obsolete_packages:
- docker.io - docker.io
- docker-engine - docker-engine
- docker-doc - docker-doc
- docker-compose
- docker-compose-v2
- podman-docker - podman-docker
- containerd - containerd
- runc - runc
@ -32,8 +30,8 @@ docker_compose_package_state: present
# Docker Compose options. # Docker Compose options.
docker_install_compose: false docker_install_compose: false
docker_compose_version: "v2.32.1" docker_compose_version: "v2.29.2"
docker_compose_arch: "{{ ansible_facts.architecture }}" docker_compose_arch: "{{ ansible_architecture }}"
docker_compose_url: "https://github.com/docker/compose/releases/download/{{ docker_compose_version }}/docker-compose-linux-{{ docker_compose_arch }}" docker_compose_url: "https://github.com/docker/compose/releases/download/{{ docker_compose_version }}/docker-compose-linux-{{ docker_compose_arch }}"
docker_compose_path: /usr/local/bin/docker-compose docker_compose_path: /usr/local/bin/docker-compose
@ -47,19 +45,19 @@ docker_repo_url: https://download.docker.com/linux
docker_apt_release_channel: stable docker_apt_release_channel: stable
# docker_apt_ansible_distribution is a workaround for Ubuntu variants which can't be identified as such by Ansible, # docker_apt_ansible_distribution is a workaround for Ubuntu variants which can't be identified as such by Ansible,
# and is only necessary until Docker officially supports them. # and is only necessary until Docker officially supports them.
docker_apt_ansible_distribution: "{{ 'ubuntu' if ansible_facts.distribution in ['Pop!_OS', 'Linux Mint'] else ansible_facts.distribution }}" docker_apt_ansible_distribution: "{{ 'ubuntu' if ansible_distribution in ['Pop!_OS', 'Linux Mint'] else ansible_distribution }}"
docker_apt_arch: "{{ 'arm64' if ansible_facts.architecture == 'aarch64' else 'armhf' if ansible_facts.architecture == 'armv7l' else 'amd64' }}" docker_apt_arch: "{{ 'arm64' if ansible_architecture == 'aarch64' else 'armhf' if ansible_architecture == 'armv7l' else 'amd64' }}"
docker_apt_repository: "deb [arch={{ docker_apt_arch }} signed-by=/etc/apt/keyrings/docker.asc] {{ docker_repo_url }}/{{ docker_apt_ansible_distribution | lower }} {{ ansible_facts.distribution_release }} {{ docker_apt_release_channel }}" docker_apt_repository: "deb [arch={{ docker_apt_arch }} signed-by=/etc/apt/keyrings/docker.asc] {{ docker_repo_url }}/{{ docker_apt_ansible_distribution | lower }} {{ ansible_distribution_release }} {{ docker_apt_release_channel }}"
docker_apt_ignore_key_error: true docker_apt_ignore_key_error: true
docker_apt_gpg_key: "{{ docker_repo_url }}/{{ docker_apt_ansible_distribution | lower }}/gpg" docker_apt_gpg_key: "{{ docker_repo_url }}/{{ docker_apt_ansible_distribution | lower }}/gpg"
docker_apt_gpg_key_checksum: "sha256:1500c1f56fa9e26b9b8f42452a553675796ade0807cdce11975eb98170b3a570" docker_apt_gpg_key_checksum: "sha256:1500c1f56fa9e26b9b8f42452a553675796ade0807cdce11975eb98170b3a570"
docker_apt_filename: "docker" docker_apt_filename: "docker"
# Used only for RedHat/CentOS/Fedora. # Used only for RedHat/CentOS/Fedora.
docker_yum_repo_url: "{{ docker_repo_url }}/{{ (ansible_facts.distribution == 'Fedora') | ternary('fedora','centos') }}/docker-{{ docker_edition }}.repo" docker_yum_repo_url: "{{ docker_repo_url }}/{{ (ansible_distribution == 'Fedora') | ternary('fedora','centos') }}/docker-{{ docker_edition }}.repo"
docker_yum_repo_enable_nightly: '0' docker_yum_repo_enable_nightly: '0'
docker_yum_repo_enable_test: '0' docker_yum_repo_enable_test: '0'
docker_yum_gpg_key: "{{ docker_repo_url }}/{{ (ansible_facts.distribution == 'Fedora') | ternary('fedora', 'centos') }}/gpg" docker_yum_gpg_key: "{{ docker_repo_url }}/centos/gpg"
# A list of users who will be added to the docker group. # A list of users who will be added to the docker group.
docker_users: [] docker_users: []

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@ -1,11 +1,7 @@
--- ---
- name: restart docker - name: restart docker
ansible.builtin.service: service:
name: docker name: docker
state: "{{ docker_restart_handler_state }}" state: "{{ docker_restart_handler_state }}"
ignore_errors: "{{ ansible_check_mode }}" ignore_errors: "{{ ansible_check_mode }}"
when: docker_service_manage | bool when: docker_service_manage | bool
- name: apt update
ansible.builtin.apt:
update_cache: true

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@ -1,12 +1,12 @@
--- ---
- name: Converge - name: Converge
hosts: all hosts: all
# become: true become: true
pre_tasks: pre_tasks:
- name: Update apt cache. - name: Update apt cache.
apt: update_cache=yes cache_valid_time=600 apt: update_cache=yes cache_valid_time=600
when: ansible_facts.os_family == 'Debian' when: ansible_os_family == 'Debian'
- name: Wait for systemd to complete initialization. # noqa 303 - name: Wait for systemd to complete initialization. # noqa 303
command: systemctl is-system-running command: systemctl is-system-running
@ -16,7 +16,7 @@
'degraded' in systemctl_status.stdout 'degraded' in systemctl_status.stdout
retries: 30 retries: 30
delay: 5 delay: 5
when: ansible_facts.service_mgr == 'systemd' when: ansible_service_mgr == 'systemd'
changed_when: false changed_when: false
failed_when: systemctl_status.rc > 1 failed_when: systemctl_status.rc > 1

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@ -1,51 +0,0 @@
---
- name: Verify Docker Role
hosts: all
tasks:
- name: Verify Docker binary is available
command: docker version
register: docker_version_result
changed_when: false
failed_when: docker_version_result.rc != 0
- name: Show Docker version details
debug:
msg: >
Docker Version Output:
{{ docker_version_result.stdout_lines | join('\n') }}
- name: Verify Docker service is running
command: systemctl is-active docker
register: docker_service_status
when: ansible_facts.service_mgr == 'systemd'
changed_when: false
failed_when: docker_service_status.stdout.strip() != "active"
- name: Display Docker service status
debug:
msg: "Docker service is {{ docker_service_status.stdout.strip() }}"
when: ansible_facts.service_mgr == 'systemd'
- name: Pull the 'hello-world' image
command: docker pull hello-world
register: docker_pull_result
changed_when: true
failed_when: docker_pull_result.rc != 0
- name: Show result of pulling the 'hello-world' image
debug:
msg: >
Pulling 'hello-world' completed with output:
{{ docker_pull_result.stdout_lines | join('\n') }}
- name: Run a test container (hello-world)
command: docker run --rm hello-world
register: docker_run_result
changed_when: true
failed_when: docker_run_result.rc != 0
- name: Display test container output
debug:
msg: >
Running 'hello-world' container completed with output:
{{ docker_run_result.stdout_lines | join('\n') }}

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@ -4,17 +4,17 @@
vars: vars:
params: params:
files: files:
- '{{ansible_facts.distribution}}.yml' - '{{ansible_distribution}}.yml'
- '{{ansible_facts.os_family}}.yml' - '{{ansible_os_family}}.yml'
- main.yml - main.yml
paths: paths:
- 'vars' - 'vars'
- include_tasks: setup-RedHat.yml - include_tasks: setup-RedHat.yml
when: ansible_facts.os_family == 'RedHat' when: ansible_os_family == 'RedHat'
- include_tasks: setup-Debian.yml - include_tasks: setup-Debian.yml
when: ansible_facts.os_family == 'Debian' when: ansible_os_family == 'Debian'
- name: Install Docker packages. - name: Install Docker packages.
package: package:
@ -22,7 +22,7 @@
state: "{{ docker_packages_state }}" state: "{{ docker_packages_state }}"
notify: restart docker notify: restart docker
ignore_errors: "{{ ansible_check_mode }}" ignore_errors: "{{ ansible_check_mode }}"
when: "ansible_version.full is version_compare('2.12', '<') or ansible_facts.os_family not in ['RedHat', 'Debian']" when: "ansible_version.full is version_compare('2.12', '<') or ansible_os_family not in ['RedHat', 'Debian']"
- name: Install Docker packages (with downgrade option). - name: Install Docker packages (with downgrade option).
package: package:
@ -31,7 +31,7 @@
allow_downgrade: true allow_downgrade: true
notify: restart docker notify: restart docker
ignore_errors: "{{ ansible_check_mode }}" ignore_errors: "{{ ansible_check_mode }}"
when: "ansible_version.full is version_compare('2.12', '>=') and ansible_facts.os_family in ['RedHat', 'Debian']" when: "ansible_version.full is version_compare('2.12', '>=') and ansible_os_family in ['RedHat', 'Debian']"
- name: Install docker-compose plugin. - name: Install docker-compose plugin.
package: package:
@ -39,7 +39,7 @@
state: "{{ docker_compose_package_state }}" state: "{{ docker_compose_package_state }}"
notify: restart docker notify: restart docker
ignore_errors: "{{ ansible_check_mode }}" ignore_errors: "{{ ansible_check_mode }}"
when: "docker_install_compose_plugin | bool == true and (ansible_version.full is version_compare('2.12', '<') or ansible_facts.os_family not in ['RedHat', 'Debian'])" when: "docker_install_compose_plugin | bool == true and (ansible_version.full is version_compare('2.12', '<') or ansible_os_family not in ['RedHat', 'Debian'])"
- name: Install docker-compose-plugin (with downgrade option). - name: Install docker-compose-plugin (with downgrade option).
package: package:
@ -48,7 +48,7 @@
allow_downgrade: true allow_downgrade: true
notify: restart docker notify: restart docker
ignore_errors: "{{ ansible_check_mode }}" ignore_errors: "{{ ansible_check_mode }}"
when: "docker_install_compose_plugin | bool == true and ansible_version.full is version_compare('2.12', '>=') and ansible_facts.os_family in ['RedHat', 'Debian']" when: "docker_install_compose_plugin | bool == true and ansible_version.full is version_compare('2.12', '>=') and ansible_os_family in ['RedHat', 'Debian']"
- name: Ensure /etc/docker/ directory exists. - name: Ensure /etc/docker/ directory exists.
file: file:

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@ -4,40 +4,58 @@
path: /etc/apt/trusted.gpg.d/docker.asc path: /etc/apt/trusted.gpg.d/docker.asc
state: absent state: absent
- name: Ensure old apt source list is not present in /etc/apt/sources.list.d - name: Ensure the repo referencing the previous trusted.gpg.d key is not present
ansible.builtin.file: apt_repository:
path: "/etc/apt/sources.list.d/download_docker_com_linux_{{ docker_apt_ansible_distribution | lower }}.list" repo: "deb [arch={{ docker_apt_arch }} signed-by=/etc/apt/trusted.gpg.d/docker.asc] {{ docker_repo_url }}/{{ docker_apt_ansible_distribution | lower }} {{ ansible_distribution_release }} {{ docker_apt_release_channel }}"
state: absent state: absent
filename: "{{ docker_apt_filename }}"
update_cache: true
when: docker_add_repo | bool
# See https://docs.docker.com/engine/install/debian/#uninstall-old-versions - # See https://docs.docker.com/engine/install/debian/#uninstall-old-versions
- name: Ensure old versions of Docker are not installed. name: Ensure old versions of Docker are not installed.
ansible.builtin.package: package:
name: "{{ docker_obsolete_packages }}" name: "{{ docker_obsolete_packages }}"
state: absent state: absent
- name: Ensure legacy repo file is not present.
ansible.builtin.file:
path: "/etc/apt/sources.list.d/docker.list"
state: absent
- name: Ensure dependencies are installed. - name: Ensure dependencies are installed.
ansible.builtin.apt: apt:
name: name:
- apt-transport-https - apt-transport-https
- ca-certificates - ca-certificates
- python3-debian
state: present state: present
when: docker_add_repo | bool
- name: Add or remove Docker repository. - name: Ensure directory exists for /etc/apt/keyrings
ansible.builtin.deb822_repository: file:
name: docker path: /etc/apt/keyrings
types: deb state: directory
uris: "{{ docker_repo_url }}/{{ ansible_facts.distribution | lower }}" mode: '0755'
suites: "{{ ansible_facts.distribution_release }}"
components: "{{ docker_apt_release_channel }}"
signed_by: "{{ docker_apt_gpg_key }}"
state: "{{ 'present' if docker_add_repo | bool else 'absent' }}"
notify: apt update
- name: Ensure handlers are notified immediately to update the apt cache. - name: Add Docker apt key.
ansible.builtin.meta: flush_handlers ansible.builtin.get_url:
url: "{{ docker_apt_gpg_key }}"
dest: /etc/apt/keyrings/docker.asc
mode: '0644'
force: false
checksum: "{{ docker_apt_gpg_key_checksum | default(omit) }}"
register: add_repository_key
ignore_errors: "{{ docker_apt_ignore_key_error }}"
when: docker_add_repo | bool
- name: Ensure curl is present (on older systems without SNI).
package: name=curl state=present
when: add_repository_key is failed and docker_add_repo | bool
- name: Add Docker apt key (alternative for older systems without SNI).
shell: >
curl -sSL {{ docker_apt_gpg_key }} | apt-key add -
when: add_repository_key is failed and docker_add_repo | bool
- name: Add Docker repository.
apt_repository:
repo: "{{ docker_apt_repository }}"
state: present
filename: "{{ docker_apt_filename }}"
update_cache: true
when: docker_add_repo | bool

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@ -1,7 +1,10 @@
--- ---
- name: Ensure old versions of Docker are not installed. - name: Ensure old versions of Docker are not installed.
package: package:
name: "{{ docker_obsolete_packages }}" name:
- docker
- docker-common
- docker-engine
state: absent state: absent
- name: Add Docker GPG key. - name: Add Docker GPG key.
@ -55,4 +58,4 @@
package: package:
name: containerd.io name: containerd.io
state: present state: present
when: ansible_facts.distribution_major_version | int == 8 when: ansible_distribution_major_version | int == 8

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@ -1,3 +1,2 @@
--- ---
docker_packages: "docker" docker_packages: "docker"
docker_compose_package: docker-cli-compose

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@ -1,14 +0,0 @@
---
# Used only for Debian/Ubuntu (Debian OS-Family)
# https://docs.docker.com/engine/install/debian/#uninstall-old-versions
docker_obsolete_packages:
- docker
- docker.io
- docker-engine
- docker-doc
- docker-compose
- docker-compose-v2
- podman-docker
- containerd
- runc

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@ -1,14 +0,0 @@
---
# Used only for Fedora/Rocky (RedHat OS-Family)
# https://docs.docker.com/engine/install/fedora/#uninstall-old-versions
# https://docs.docker.com/engine/install/centos/#uninstall-old-versions
docker_obsolete_packages:
- docker
- docker-client
- docker-client-latest
- docker-common
- docker-latest
- docker-latest-logrotate
- docker-logrotate
- docker-engine