---
- hosts: all
  gather_facts: no
  become: yes
  tasks:
    - name: add CAHC ostree remote
      command: >
        ostree remote add --set=gpg-verify=false centos-atomic-continuous
        https://ci.centos.org/artifacts/sig-atomic/rdgo/centos-continuous/ostree/repo/
      args:
        creates: /etc/ostree/remotes.d/centos-atomic-continuous.conf

    # Experimenting with this as a potential new name.
    - name: link nxs -> rpm-ostree
      file: src=/usr/bin/rpm-ostree dest=/usr/local/bin/nxs owner=0 group=0 state=link

    # add a little bit of storage (default is 3G) or docker save complains
    - name: resize root
      shell: lvresize -L 4G -r /dev/atomicos/root && touch /root/.resized
      args:
        creates: /root/.resized

    - name: check for builder image
      command: docker inspect rpm-ostree-builder
      failed_when: False
      changed_when: False
      register: inspect

    - name: check for local cache of builder image
      local_action: stat path=vagrant/buildimg.tar.gz
      register: cache
      become: no

    - set_fact:
        # the image is available on the guest
        on_guest: "{{ inspect.rc == 0 | bool }}"
        # the image is available on the host
        on_host: "{{ cache.stat.isreg is defined and cache.stat.isreg | bool }}"

    # sync them up, building if necessary

    # XXX: this is just a stopgap, we should also make it easy to update the
    # container without having to rebuild it completely

    - name: copy cached builder image
      copy: src=buildimg.tar.gz dest=/tmp
      when: not on_guest and on_host

    - name: import cached builder image
      shell: gunzip -c /tmp/buildimg.tar.gz | docker load
      when: not on_guest and on_host

    - name: build builder image
      command: make buildimg
      args:
        chdir: sync/vagrant
      when: not on_guest and not on_host

    - name: export builder image
      shell: docker save rpm-ostree-builder | gzip -c > /tmp/buildimg.tar.gz
      when: not on_host
      args:
        creates: /tmp/buildimg.tar.gz

    - name: fetch cached builder image
      fetch: src=/tmp/buildimg.tar.gz dest=. flat=true
      when: not on_host
      become: no