ansible_role_restic/tasks/install.yml

---
- name: Download client binary
  get_url:
    url: '{{ restic_url }}'
    dest: '{{ restic_download_path }}/restic.bz2'
    force: true
  register: get_url_restic

# TODO: This needs to become independent of the shell module to actually work
# on every system. We could use a distribution specific aproach, but this would
# conflict with the current structure in tasks/distribution/
- name: Decompress the binary
  shell: "bzip2 -dc {{ get_url_restic.dest }} > {{ restic_bin_bath }}"
  args:
    creates: '{{ restic_download_path }}/bin/restic-{{ restic_version }}'

- name: Ensure permissions are correct
  file:
    path: '{{ restic_download_path }}/bin/restic-{{ restic_version }}'
    mode: '0755'
    owner: '{{ restic_dir_owner }}'
    group: '{{ restic_dir_group }}'

- name: Test the binary
  shell: "{{ restic_bin_bath }} version"
  ignore_errors: true
  register: restic_test_result

- name: Remove faulty binary
  file:
    path: '{{ restic_bin_bath }}'
    state: absent
  when: "'FAILED' in restic_test_result.stderr"

- name: Fail if restic could not be installed
  fail:
    msg: >-
      Restic binary has been faulty and has been removed.
      Try to re-run the role and make sure you have bzip2 installed!
  when: "'FAILED' in restic_test_result.stderr"

- name: Create symbolic link to the correct version
  file:
    src: '{{ restic_download_path }}/bin/restic-{{ restic_version }}'
    path: '{{ restic_install_path }}/restic'
    state: link
    force: true