# Depends on:
# - gitano-setup.yml
---
# First of all check if the site groups are created.
- name: Check for site groups (This task can fail)
  shell: su git -c 'ssh git@localhost group list' | grep '^'{{ item.name|quote }}':'
  changed_when: False
  ignore_errors: True
  with_items:
  - { name: 'site-readers', description: 'Users with read access to the site project' }
  - { name: 'site-writers', description: 'Users with write access to the site project' }
  - { name: 'site-admins', description: 'Users with admin access to the site project' }
  - { name: 'site-managers', description: 'Users with manager access to the site project' }
  register: gitano_groups
# Iterate over the results of the previous check, and create the sites needed.
# In this task we are using the list of results of the previous task
# - item is the result of the execution of one of the elements of
#  the list of the previous task.
# - item.item is the item of the previous task being executed when
#   the result (stored in item) was taken.
#
# For example, the task: (From http://docs.ansible.com/playbooks_loops.html#using-register-with-a-loop)
#
# - shell: echo "{{ item }}"
#   with_items:
#   - one
#   - two
#   register: echo 
#
# Would register in the variable "echo":
#
# {
#    "changed": true,
#    "msg": "All items completed",
#    "results": [
#        {
#            "changed": true,
#            "cmd": "echo \"one\" ",
#            "delta": "0:00:00.003110",
#            "end": "2013-12-19 12:00:05.187153",
#            "invocation": {
#                "module_args": "echo \"one\"",
#                "module_name": "shell"
#            },
#            "item": "one",
#            "rc": 0,
#            "start": "2013-12-19 12:00:05.184043",
#            "stderr": "",
#            "stdout": "one"
#        },
#        {
#            "changed": true,
#            "cmd": "echo \"two\" ",
#            "delta": "0:00:00.002920",
#            "end": "2013-12-19 12:00:05.245502",
#            "invocation": {
#                "module_args": "echo \"two\"",
#                "module_name": "shell"
#            },
#            "item": "two",
#            "rc": 0,
#            "start": "2013-12-19 12:00:05.242582",
#            "stderr": "",
#            "stdout": "two"
#        }
#    ]
# }

- name: Create the site groups needed.
  shell: su git -c 'ssh git@localhost group add '{{ item.item.name|quote|quote|quote }}' '{{ item.item.description|quote|quote|quote }}
  when: item|failed
  with_items: gitano_groups.results

# When the groups are created, check if they are linked.
- name: Check for linked groups (This task can fail)
  shell: su git -c 'ssh git@localhost group show '{{ item.name|quote|quote|quote }} | grep '^ \[] '{{ item.super_group|quote }}
  changed_when: False
  ignore_errors: True
  with_items:
  - { name: 'site-readers', super_group: 'site-writers' }
  - { name: 'site-writers', super_group: 'site-admins' }
  - { name: 'site-admins', super_group: 'site-managers' }
  register: gitano_linked_groups

# Link the groups that weren't linked following the same strategy as for the groups
- shell: su git -c 'ssh git@localhost group addgroup '{{ item.item.name|quote|quote|quote }}' '{{ item.item.super_group|quote|quote|quote }}
  when: item|failed
  with_items: gitano_linked_groups.results