---
# tasks file for test_ec2_elb

# ============================================================
# create an ELB for testing

- name: create the test load balancer
  ec2_elb_lb:
    name: "{{ resource_prefix }}"
    ec2_access_key: "{{ ec2_access_key }}"
    ec2_secret_key: "{{ ec2_secret_key }}"
    region: "{{ ec2_region }}"
    state: present
    zones:
      - "{{ ec2_region }}b"
      - "{{ ec2_region }}c"
    listeners:
      - protocol: http
        load_balancer_port: 80
        instance_port: 80
    health_check:
        ping_protocol: http
        ping_port: 80
        ping_path: "/index.html"
        response_timeout: 5
        interval: 10
        unhealthy_threshold: 3
        healthy_threshold: 2
  register: result

- name: assert the test load balancer was created correctly
  assert:
    that:
      - 'result.changed'
      - '"failed" not in result'
      - 'result.elb.status == "created"'
      - '"{{ ec2_region }}b" in result.elb.zones'
      - '"{{ ec2_region }}c" in result.elb.zones'
      - 'result.elb.health_check.healthy_threshold == 2'
      - 'result.elb.health_check.interval == 10'
      - 'result.elb.health_check.target == "HTTP:80/index.html"'
      - 'result.elb.health_check.timeout == 5'
      - 'result.elb.health_check.unhealthy_threshold == 3'
      - '[80, 80, "HTTP", "HTTP"] in result.elb.listeners'


# ============================================================
# add one of the instances to the LB

- name: add first instance to the load balancer
  ec2_elb:
    ec2_elbs: "{{ resource_prefix }}"
    ec2_access_key: "{{ ec2_access_key }}"
    ec2_secret_key: "{{ ec2_secret_key }}"
    region: "{{ ec2_region }}"
    instance_id: "{{ ec2_provision_result.instance_ids[0] }}"
    state: present
    wait_timeout: 300
  register: result

- name: assert the first instance was added ok
  assert:
    that:
      - 'result.changed == True'
      - '"{{resource_prefix}}" in result.ansible_facts.ec2_elbs'

# ============================================================
# add all other instances to the LB

- name: add other instances to the load balancer
  ec2_elb:
    ec2_elbs: "{{ resource_prefix }}"
    ec2_access_key: "{{ ec2_access_key }}"
    ec2_secret_key: "{{ ec2_secret_key }}"
    region: "{{ ec2_region }}"
    instance_id: "{{ item }}"
    state: present
    wait_timeout: 300
  with_items: "ec2_provision_result.instance_ids[1:]"
  register: result

- name: assert the other instances were added ok
  assert:
    that:
      - 'item.changed == True'
      - '"{{resource_prefix}}" in item.ansible_facts.ec2_elbs'
  with_items: result.results

# ============================================================
# shutdown http first instance so it goes out of service

- name: "shutdown the apache service on the first instance ({{ec2_provision_result.instances[0].public_ip}})"
  service: name=httpd state=stopped
  remote_user: "ec2-user"
  become: yes
  become_user: root
  delegate_to: "{{ec2_provision_result.instances[0].public_ip}}"

- name: assert that the httpd service was stopped
  assert:
    that:
      - 'result.changed == True'

- name: pause long enough for the instance to go out of service
  pause: seconds=60

# ============================================================
# remove the out of service instance

- name: remove the out of service instance
  ec2_elb:
    ec2_elbs: "{{ resource_prefix }}"
    ec2_access_key: "{{ ec2_access_key }}"
    ec2_secret_key: "{{ ec2_secret_key }}"
    region: "{{ ec2_region }}"
    instance_id: "{{ ec2_provision_result.instance_ids[0] }}"
    state: absent
    wait_timeout: 300
  register: result

- name: assert that the out of service instance was removed
  assert:
    that:
      - 'result.changed == True'
      - '"{{resource_prefix}}" in result.ansible_facts.ec2_elbs'

# ============================================================
# remove another instance that is still in service

- name: remove the second instance
  ec2_elb:
    ec2_elbs: "{{ resource_prefix }}"
    ec2_access_key: "{{ ec2_access_key }}"
    ec2_secret_key: "{{ ec2_secret_key }}"
    region: "{{ ec2_region }}"
    instance_id: "{{ ec2_provision_result.instance_ids[1] }}"
    state: absent
    wait_timeout: 300
  register: result

- name: assert that the second instance was removed
  assert:
    that:
      - 'result.changed == True'
      - '"{{resource_prefix}}" in result.ansible_facts.ec2_elbs'

# ============================================================
# re-register the second instance (issue #4902)

- name: re-register the second instance (issue #4902)
  ec2_elb:
    ec2_elbs: "{{ resource_prefix }}"
    ec2_access_key: "{{ ec2_access_key }}"
    ec2_secret_key: "{{ ec2_secret_key }}"
    region: "{{ ec2_region }}"
    instance_id: "{{ ec2_provision_result.instance_ids[1] }}"
    state: present
    wait_timeout: 300
  register: result

- name: assert the instance was re-registered ok
  assert:
    that:
      - 'result.changed == True'
      - '"{{resource_prefix}}" in result.ansible_facts.ec2_elbs'

# ============================================================
# remove all other instances

- name: remove the rest of the instances
  ec2_elb:
    ec2_elbs: "{{ resource_prefix }}"
    ec2_access_key: "{{ ec2_access_key }}"
    ec2_secret_key: "{{ ec2_secret_key }}"
    region: "{{ ec2_region }}"
    instance_id: "{{ item }}"
    state: absent
    wait_timeout: 300
  with_items: "ec2_provision_result.instance_ids[1:]"
  register: result

- name: assert the other instances were removed
  assert:
    that:
      - 'item.changed == True'
      - '"{{resource_prefix}}" in item.ansible_facts.ec2_elbs'
  with_items: result.results

