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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
|
