---
- name: Check if docker is installed
  ignore_errors: true
  command: docker --version
  register: docker_install_version

- name: Install docker
  when: or (.docker_install_version.stderr | ne "") (.docker_install_version.stdout | hasPrefix (printf "Docker version %s," .docker_version) | not)
  block:
    - name: Sync docker binary to remote
      copy:
        src: |
          {{ .binary_dir }}/docker/{{ .docker_version }}/{{ .binary_type.stdout }}/docker-{{ .docker_version }}.tgz
        dest: |
          {{ .tmp_dir }}/docker-{{ .docker_version }}.tgz
    - name: Unpackage docker binary
      command: |
        tar -C /usr/local/bin/ --strip-components=1 -xvf {{ .tmp_dir }}/docker-{{ .docker_version }}.tgz --wildcards docker/*
    - name: Generate docker config file
      template:
        src: docker.config
        dest: /etc/docker/daemon.json
    - name: Generate docker service file
      copy:
        src: docker.service
        dest: /etc/systemd/system/docker.service
    - name: Generate containerd service file
      copy:
        src: containerd.service
        dest: /etc/systemd/system/containerd.service
    - name: Start docker service
      command: |
        systemctl daemon-reload && systemctl start containerd.service && systemctl enable containerd.service
        systemctl daemon-reload && systemctl start docker.service && systemctl enable docker.service