---

# Upload .osm.pbf files found at the root of the playbook or in the /files role's subfolder
- name: Imposm - Upload any local .osm.pbf files
  copy:
    src: "{{ item }}"
    dest: /srv/osm/imposm/
  with_fileglob:
    # Let's get to the root of the playbook
    - "../../../*.osm.pbf"
    - "*.osm.pbf"

# If the .osm.pbf files are not newer than the cache, we skip the whole thing.
- name: Imposm - Check if there is already a cache
  stat:
    path: /srv/osm/imposm/imposm_relations.cache
  register: tmp
- name: Imposm - List pbf files waiting to be imported
  command: find /srv/osm/imposm -iname '*.osm.pbf' {{ tmp.stat.exists | ternary('-newer imposm_relations.cache', '') }}
  args:
    chdir: /srv/osm/imposm
  register: imposm_pbf_list
  changed_when: False
  check_mode: no

- name: Imposm - Import each new files
  command: imposm --mapping-file=/srv/osm/basemaps/imposm-mapping.py --proj=EPSG:3857 --read --merge-cache {{ item|quote }}
  args:
    chdir: /srv/osm/imposm
  loop: "{{ imposm_pbf_list.stdout_lines }}"

- name: Imposm - Write to database
  command: imposm --mapping-file=/srv/osm/basemaps/imposm-mapping.py --proj=EPSG:3857 --connection=postgis://osm:osm@localhost:5432/osm --write
  args:
    chdir: /srv/osm/imposm
  when: imposm_pbf_list.stdout_lines

- name: Imposm - Optimze database
  command: imposm --mapping-file=/srv/osm/basemaps/imposm-mapping.py --proj=EPSG:3857 --connection=postgis://osm:osm@localhost:5432/osm --optimize
  args:
    chdir: /srv/osm/imposm
  when: imposm_pbf_list.stdout_lines

- name: Imposm - Switch new data to production
  command: imposm --mapping-file=/srv/osm/basemaps/imposm-mapping.py --proj=EPSG:3857 --connection=postgis://osm:osm@localhost:5432/osm --deploy-production-tables
  args:
    chdir: /srv/osm/imposm
  when: imposm_pbf_list.stdout_lines