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---
# tasks file for test_ec2_asg

# we are using a custom built AMI that runs an apache server to verify
# ELB health checks and perform rolling ASG updates
# this will only work on us-east-1

# ============================================================
# create and kill an ASG
- name: ensure launch config exists
  ec2_lc:
    name: "{{ resource_prefix }}-lc"
    ec2_access_key: "{{ ec2_access_key }}"
    ec2_secret_key: "{{ ec2_secret_key }}"
    region: "{{ ec2_region }}"
    image_id: ami-964a0efe
    instance_type: t2.micro

- name: launch asg and wait for instances to be deemed healthy (no ELB)
  ec2_asg:
    name: "{{ resource_prefix }}-asg"
    ec2_access_key: "{{ ec2_access_key }}"
    ec2_secret_key: "{{ ec2_secret_key }}"
    launch_config_name: "{{ resource_prefix }}-lc"
    desired_capacity: 1
    min_size: 1
    max_size: 1
    region: "{{ ec2_region }}"
    state: present
    wait_for_instances: yes
  register: output

- assert:
    that:
      - "output.viable_instances == 1"

# - name: pause for a bit to make sure that the group can't be trivially deleted
#   pause: seconds=30
- name: kill asg
  ec2_asg:
    name: "{{ resource_prefix }}-asg"
    ec2_access_key: "{{ ec2_access_key }}"
    ec2_secret_key: "{{ ec2_secret_key }}"
    region: "{{ ec2_region }}"
    state: absent
  async: 300


- name: launch asg and do not wait for instances to be deemed healthy (no ELB)
  ec2_asg:
    name: "{{ resource_prefix }}-asg"
    ec2_access_key: "{{ ec2_access_key }}"
    ec2_secret_key: "{{ ec2_secret_key }}"
    launch_config_name: "{{ resource_prefix }}-lc"
    desired_capacity: 1
    min_size: 1
    max_size: 1
    region: "{{ ec2_region }}"
    wait_for_instances: no
    state: present
  register: output

- assert:
    that:
      - "output.viable_instances == 0"

- name: kill asg
  ec2_asg:
    name: "{{ resource_prefix }}-asg"
    ec2_access_key: "{{ ec2_access_key }}"
    ec2_secret_key: "{{ ec2_secret_key }}"
    region: "{{ ec2_region }}"
    state: absent
  async: 300

- name: launch load balancer
  ec2_elb_lb:
    name: "{{ resource_prefix }}-lb"
    region: "{{ ec2_region }}"
    state: present
    ec2_access_key: "{{ ec2_access_key }}"
    ec2_secret_key: "{{ ec2_secret_key }}"
    zones:
      - "{{ ec2_region }}b"
      - "{{ ec2_region }}c"
    connection_draining_timeout: 60
    listeners:
      - protocol: http
        load_balancer_port: 80
        instance_port: 80
    health_check:
        ping_protocol: http
        ping_port: 80
        ping_path: "/"
        response_timeout: 5
        interval: 30
        unhealthy_threshold: 3
        healthy_threshold: 3
  register: load_balancer


- name: launch asg and wait for instances to be deemed healthy (ELB)
  ec2_asg:
    name: "{{ resource_prefix }}-asg"
    availability_zones:
      - "{{ ec2_region }}b"
      - "{{ ec2_region }}c"
    ec2_access_key: "{{ ec2_access_key }}"
    ec2_secret_key: "{{ ec2_secret_key }}"
    launch_config_name: "{{ resource_prefix }}-lc"
    health_check_type: ELB
    desired_capacity: 1
    min_size: 1
    max_size: 1
    health_check_period: 120
    load_balancers: "{{ resource_prefix }}-lb"
    region: "{{ ec2_region }}"
    wait_for_instances: yes
    wait_timeout: 600
    state: present
  register: output

- assert:
    that:
      - "output.viable_instances == 1"


# grow scaling group to 3

- name: add 2 more instances wait for instances to be deemed healthy (ELB)
  ec2_asg:
    name: "{{ resource_prefix }}-asg"
    availability_zones:
      - "{{ ec2_region }}b"
      - "{{ ec2_region }}c"
    ec2_access_key: "{{ ec2_access_key }}"
    ec2_secret_key: "{{ ec2_secret_key }}"
    launch_config_name: "{{ resource_prefix }}-lc"
    health_check_type: ELB
    desired_capacity: 3
    min_size: 3
    max_size: 5
    health_check_period: 120
    load_balancers: ec2-asg-int-test
    region: "{{ ec2_region }}"
    wait_for_instances: yes
    wait_timeout: 600
    state: present
  register: output

- assert:
    that:
      - "output.viable_instances == 3"

# # create new launch config with alternate AMI

- name: ensure launch config exists
  ec2_lc:
    name: "{{ resource_prefix }}-lc-2"
    ec2_access_key: "{{ ec2_access_key }}"
    ec2_secret_key: "{{ ec2_secret_key }}"
    region: "{{ ec2_region }}"
    image_id: ami-2a4a0e42
    instance_type: t2.micro


# # perform rolling replace

- name: perform rolling update to new AMI
  ec2_asg:
    name: "{{ resource_prefix }}-asg"
    availability_zones:
      - "{{ ec2_region }}b"
      - "{{ ec2_region }}c"
    ec2_access_key: "{{ ec2_access_key }}"
    ec2_secret_key: "{{ ec2_secret_key }}"
    launch_config_name: "{{ resource_prefix }}-lc-2"
    health_check_type: ELB
    desired_capacity: 3
    min_size: 3
    max_size: 5
    health_check_period: 120
    load_balancers: ec2-asg-int-test
    region: "{{ ec2_region }}"
    wait_for_instances: yes
    replace_all_instances: yes
    wait_timeout: 600
    state: present
  register: output

# ensure that all instances have new launch config
- assert:
    that:
      - "item.value.launch_config_name == '{{ resource_prefix }}-lc-2'"
  with_dict: output.instance_facts

# assert they are all healthy
- assert:
    that:
      - "output.viable_instances >= 3"


- name: kill asg
  ec2_asg:
    name: "{{ resource_prefix }}-asg"
    ec2_access_key: "{{ ec2_access_key }}"
    ec2_secret_key: "{{ ec2_secret_key }}"
    region: "{{ ec2_region }}"
    state: absent
  async: 300