# Licensed to the Apache Software Foundation (ASF) under one or more contributor
# license agreements; and to You under the Apache License, Version 2.0.
---
# boot_instances.yml
# TODO, in "with_instance" loops, the "instance" variable that is passed in gets unset, look up the proper way to do nested loops
- name: set vars
  set_fact:
    name: "{{instance.name}}"
    flavor: "{{instance.flavor | default (default_flavor, true) }}"
    volume_env: "{{ lookup('env', 'OS_WSK_' + instance.name|upper + '_VOLUME')}}"
    volume_dict: "{{instance.volume | default({})}}"
    # instance: "{{instances | selectattr('name', 'equalto', 'db') | list | first}}"

- name: create volume
  os_volume:
    state: present
    size: "{{volume_env | default( volume_dict.size )}}"
    display_name: "{{name}}-{{item}}_volume"
    wait: yes
  with_sequence: count={{instance.num_instances}}
  when: (volume_env and volume_env != "") or (volume_dict and volume_dict.size)

- name: launch an instance
  os_server:
    validate_certs: False
    name: "{{name}}-{{item}}"
    state: present
    auth: "{{auth}}"
    nics:
      - net-id: "{{net_id}}"
      #- net-name: "{{net_name}}"
    image: "{{image}}"
    flavor: "{{item.flavor | default (flavor) }}"
    key_name: "{{key_name}}"
    security_groups: "{{security_groups}}"
    auto_ip: no
    wait: yes
  register: instance_info
  with_sequence: count={{instance.num_instances}}

- name: attach volume to host
  os_server_volume:
    server: "{{name}}-{{item}}"
    state: present
    volume: "{{name}}-{{item}}_volume"
    wait: yes
  # register: volume_info
  with_sequence: count={{instance.num_instances}}
  when: (volume_env and volume_env != "") or (volume_dict and volume_dict.size)

# - add_host: ansible_ssh_host={{ item.server.private_v4 }} groups={{name}}
#   with_items: instance_info.results

# - local_action: add_host ansible_ssh_host={{ item.server.private_v4 }} groupname={{name}}
#   with_items: instance_info.results

- shell: "grep -e {{name}} {{hosts_dir}}/hosts"
  ignore_errors: True
  register: hosts_file

# TODO, should render the hosts file from a template by using the add_host module commented below with a template
- shell: "echo [{{name}}] >> {{hosts_dir}}/hosts"
  when: "{{hosts_file.rc}} != 0"

- lineinfile: insertafter="^{{name}}" line="{{item.server.networks.itervalues().next()[0]}} block_device={{item.server.volumes[0].device }}" dest="{{hosts_dir}}/hosts"
  with_items: instance_info.results
  when: (volume_env and volume_env != "") or (volume_dict and volume_dict.size)

- lineinfile: insertafter="^{{name}}" line="{{item.server.networks.itervalues().next()[0]}}" dest="{{hosts_dir}}/hosts"
  with_items: instance_info.results
  when: (not volume_env or volume_env == "" ) and (not volume_dict or not volume_dict.size)