---
- name: Get start timestamp
  set_fact: starttime="{{ ansible_date_time }}"

- name: Retrieve specified flavor
  os_flavor_facts:
    auth: "{{ auth }}"
    region_name: "{{ app_env.region_name }}"
    availability_zone: "{{ app_env.availability_zone }}"
    validate_certs: "{{ app_env.validate_certs }}"
    name: "{{ app_env.flavor_name }}"

- name: Create a key-pair
  os_keypair:
    state: "present"
    auth: "{{ auth }}"
    region_name: "{{ app_env.region_name }}"
    availability_zone: "{{ app_env.availability_zone }}"
    validate_certs: "{{ app_env.validate_certs }}"
    name: "lampstack"
    public_key_file: "{{ app_env.public_key_file }}"

- name: Create volume
  os_volume:
    state: present
    auth: "{{ auth }}"
    region_name: "{{ app_env.region_name }}"
    availability_zone: "{{ app_env.availability_zone }}"
    validate_certs: "{{ app_env.validate_certs }}"
    size: "{{ app_env.volume_size }}"
    wait: yes
    display_name: db_volume

- name: Create security group
  os_security_group:
    state: present
    auth: "{{ auth }}"
    region_name: "{{ app_env.region_name }}"
    availability_zone: "{{ app_env.availability_zone }}"
    validate_certs: "{{ app_env.validate_certs }}"
    name: lampstack_sg
    description: security group for lampstack

- name: Add security rules
  os_security_group_rule:
    state: present
    auth: "{{ auth }}"
    region_name: "{{ app_env.region_name }}"
    availability_zone: "{{ app_env.availability_zone }}"
    validate_certs: "{{ app_env.validate_certs }}"
    security_group: lampstack_sg
    protocol: "{{ item.protocol }}"
    direction: "{{ item.dir }}"
    port_range_min: "{{ item.p_min }}"
    port_range_max: "{{ item.p_max }}"
    remote_ip_prefix: 0.0.0.0/0
  with_items:
    - { p_min: 22, p_max: 22, dir: ingress, protocol: tcp }
    - { p_min: 80, p_max: 80, dir: ingress, protocol: tcp }
    - { p_min: 2049, p_max: 2049, dir: ingress, protocol: tcp }
    - { p_min: 2049, p_max: 2049, dir: egress, protocol: tcp }
    - { p_min: 3306, p_max: 3306, dir: ingress, protocol: tcp }
    - { p_min: -1, p_max: -1, dir: ingress, protocol: icmp }
    - { p_min: -1, p_max: -1, dir: egress, protocol: icmp }

- name: Create database node
  os_server:
    state: "present"
    auth: "{{ auth }}"
    region_name: "{{ app_env.region_name }}"
    availability_zone: "{{ app_env.availability_zone }}"
    validate_certs: "{{ app_env.validate_certs }}"
    name: database
    image: "{{ app_env.image_name }}"
    key_name: "lampstack"
    timeout: 200
    flavor: "{{ app_env.flavor_name }}"
    network: "{{ app_env.private_net_name }}"
    userdata: "{{ lookup('file', 'templates/userdata.j2') }}"
    config_drive: "{{ app_env.config_drive | default('no') }}"
    security_groups: lampstack_sg
    floating_ip_pools: "{{ app_env.public_net_name | default(omit) }}"
    meta:
      hostname: database
  register: database

- name: Add database node to the dbservers host group
  add_host:
    name: "{{ database.openstack.public_v4 }}"
    groups: dbservers
  when: database.openstack.public_v4 != ""

- name: Add database node to the dbservers host group
  add_host:
    name: "{{ database.openstack.private_v4 }}"
    groups: dbservers
  when: database.openstack.public_v4 == ""

- name: Create balancer node
  os_server:
    state: "present"
    auth: "{{ auth }}"
    region_name: "{{ app_env.region_name }}"
    availability_zone: "{{ app_env.availability_zone }}"
    validate_certs: "{{ app_env.validate_certs }}"
    name: balancer
    image: "{{ app_env.image_name }}"
    key_name: "lampstack"
    timeout: 200
    flavor: "{{ app_env.flavor_name }}"
    network: "{{ app_env.private_net_name }}"
    userdata: "{{ lookup('file', 'templates/userdata.j2') }}"
    config_drive: "{{ app_env.config_drive | default('no') }}"
    security_groups: lampstack_sg
    floating_ip_pools: "{{ app_env.public_net_name | default(omit) }}"
    meta:
      hostname: balancer
  register: balancer

- name: Add balancer node to the balancers host group
  add_host:
    name: "{{ balancer.openstack.public_v4 }}"
    groups: balancers
  when: balancer.openstack.public_v4 != ""

- name: Add balancer node to the balancers host group
  add_host:
    name: "{{ balancer.openstack.private_v4 }}"
    groups: balancers
  when: balancer.openstack.public_v4 == ""

- name: Create a volume for database to save data
  os_server_volume:
    state: present
    auth: "{{ auth }}"
    region_name: "{{ app_env.region_name }}"
    availability_zone: "{{ app_env.availability_zone }}"
    validate_certs: "{{ app_env.validate_certs }}"
    server: database
    volume: db_volume
    device: "{{ app_env.block_device_name }}"

- name: Create web server nodes to host application
  os_server:
    state: "present"
    auth: "{{ auth }}"
    region_name: "{{ app_env.region_name }}"
    availability_zone: "{{ app_env.availability_zone }}"
    validate_certs: "{{ app_env.validate_certs }}"
    name: apache-{{ item }}
    image: "{{ app_env.image_name }}"
    key_name: "lampstack"
    timeout: 200
    flavor: "{{ app_env.flavor_name }}"
    network: "{{ app_env.private_net_name }}"
    floating_ip_pools: "{{ app_env.public_net_name | default(omit) }}"
    userdata: "{{ lookup('file', 'templates/userdata.j2') }}"
    config_drive: "{{ app_env.config_drive | default('no') }}"
    security_groups: lampstack_sg
    meta:
      hostname: apache-{{ item }}
  with_sequence: count={{ app_env.stack_size - 2 }}
  register: webserver

- name: Add web servers to webservers host group
  add_host:
    name: "{{ item.openstack.public_v4 }}"
    groups: webservers
  when: item.openstack.public_v4 != ""
  with_items: "{{ webserver.results }}"
  no_log: True

- name: Add web servers to webservers host group
  add_host:
    name: "{{ item.openstack.private_v4 }}"
    groups: webservers
  when: item.openstack.public_v4 == ""
  with_items: "{{ webserver.results }}"
  no_log: True

- name: Add one web servers to wps host group
  add_host:
    name: "{{ webserver.results[0].openstack.public_v4 }}"
    groups: wps
  when: webserver.results[0].openstack.public_v4 != ""
  no_log: True

- name: Add one web servers to wps host group
  add_host:
    name: "{{ webserver.results[0].openstack.private_v4 }}"
    groups: wps
  when: webserver.results[0].openstack.public_v4 == ""
  no_log: True