WIP: feat(docker): add support for redhat targets

roles/docker/defaults/main/rhel.yml

@@ -0,0 +1,34 @@
+---
+docker_rhel_repo_name: "docker-ce-stable"
+docker_rhel_repo_description: "Docker CE Stable - $basearch"
+docker_rhel_repo_url: "https://download.docker.com/linux/rhel/$releasever/$basearch/stable"
+docker_rhel_repo_validate_certs: true
+docker_rhel_repo_gpg_check: true
+docker_rhel_repo_gpg_key: "https://download.docker.com/linux/rhel/gpg"
+
+docker_rhel_cli_package: "docker-ce-cli"
+docker_rhel_plugin_buildx_package: "docker-buildx-plugin"
+docker_rhel_plugin_compose_package: "docker-compose-plugin"
+docker_rhel_base_packages:
+  - "docker-ce"
+  - "docker-ce-cli"
+  - "containerd.io"
+docker_rhel_packages: >-2
+  {{
+    docker_fedora_base_packages
+    + (docker_plugin_buildx_enable | default(false)
+      | ternary([ docker_rhel_plugin_buildx_package ], []))
+    + (docker_plugin_compose_enable | default(false)
+      | ternary([ docker_rhel_plugin_compose_package ], []))
+  }}
+docker_rhel_legacy_packages:
+  - "docker"
+  - "docker-client"
+  - "docker-client-latest"
+  - "docker-common"
+  - "docker-latest"
+  - "docker-latest-logrotate"
+  - "docker-logrotate"
+  - "docker-engine"
+  - "podman"
+  - "runc"

roles/docker/tasks/install-redhat.yml

@@ -0,0 +1,21 @@
+---
+- name: Ensure legacy docker packages are removed
+  ansible.builtin.dnf:
+    name: "{{ docker_rhel_legacy_packages }}"
+    state: absent
+  when: docker_remove_legacy_packages
+
+- name: Add dnf repository for docker
+  ansible.builtin.yum_repository:
+    name: "{{ docker_rhel_repo_name }}"
+    description: "{{ docker_rhel_repo_description }}"
+    baseurl: "{{ docker_rhel_repo_url }}"
+    validate_certs: "{{ docker_rhel_repo_validate_certs }}"
+    gpgkey: "{{ docker_rhel_repo_gpg_key }}"
+    gpgcheck: "{{ docker_rhel_repo_gpg_check }}"
+    state: "{{ docker_state }}"
+
+- name: Install dnf packages for docker
+  ansible.builtin.dnf:
+    name: "{{ docker_rhel_packages }}"
+    state: "{{ docker_state }}"

roles/docker/vars/main.yml

@@ -2,3 +2,5 @@
 docker_supported_oses:
   - 'debian'
   - 'fedora'
+docker_supported_os_families:
+  - 'rhel'