---
# tasks file for test_ec2_asg

- name: Test incomplete arguments with ec2_asg

  block:

    # ============================================================

    - name: test without specifying required module options
      ec2_asg:
        aws_access_key: "{{ aws_access_key }}"
        aws_secret_key: "{{ aws_secret_key }}"
        security_token: "{{ security_token }}"
      ignore_errors: yes
      register: result

    - name: assert name is a required module option
      assert:
        that:
          - "result.msg == 'missing required arguments: name'"

- name: Run ec2_asg integration tests.

  block:

    # ============================================================

    # Set up the testing dependencies: VPC, subnet, security group, and two launch configurations

    - name: set connection information for all tasks
      set_fact:
        aws_connection_info: &aws_connection_info
          aws_access_key: "{{ aws_access_key }}"
          aws_secret_key: "{{ aws_secret_key }}"
          security_token: "{{ security_token }}"
          region: "{{ aws_region }}"
      no_log: yes

    - name: Create VPC for use in testing
      ec2_vpc_net:
        name: "{{ resource_prefix }}-vpc"
        cidr_block: 10.55.77.0/24
        tags:
          Name: Ansible Testing VPC
        tenancy: default
        <<: *aws_connection_info
      register: testing_vpc

    - name: Create internet gateway for use in testing
      ec2_vpc_igw:
        vpc_id: "{{ testing_vpc.vpc.id }}"
        state: present
        <<: *aws_connection_info
      register: igw

    - name: Create subnet for use in testing
      ec2_vpc_subnet:
        tags: "{{ resource_prefix }}-subnet"
        state: present
        vpc_id: "{{ testing_vpc.vpc.id }}"
        cidr: 10.55.77.0/24
        az: "{{ aws_region }}a"
        resource_tags:
          Name: Ansible Testing Subnet
        <<: *aws_connection_info
      register: testing_subnet

    - name: create routing rules
      ec2_vpc_route_table:
        vpc_id: "{{ testing_vpc.vpc.id }}"
        tags:
          created: "{{ resource_prefix }}-route"
        routes:
          - dest: 0.0.0.0/0
            gateway_id: "{{ igw.gateway_id }}"
        subnets:
          - "{{ testing_subnet.subnet.id }}"
        <<: *aws_connection_info

    - name: create a security group with the vpc created in the ec2_setup
      ec2_group:
        name: "{{ resource_prefix }}-sg"
        description: a security group for ansible tests
        vpc_id: "{{ testing_vpc.vpc.id }}"
        rules:
          - proto: tcp
            from_port: 22
            to_port: 22
            cidr_ip: 0.0.0.0/0
          - proto: tcp
            from_port: 80
            to_port: 80
            cidr_ip: 0.0.0.0/0
        <<: *aws_connection_info
      register: sg

    - name: ensure launch configs exist
      ec2_lc:
        name: "{{ item }}"
        assign_public_ip: true
        image_id: "{{ ec2_ami_image[aws_region] }}"
        user_data: |
          #cloud-config
          package_upgrade: true
          package_update: true
          packages:
            - httpd
          runcmd:
            - "service httpd start"
        security_groups: "{{ sg.group_id }}"
        instance_type: t2.micro
        <<: *aws_connection_info
      with_items:
        - "{{ resource_prefix }}-lc"
        - "{{ resource_prefix }}-lc-2"

    # ============================================================

    - name: launch asg and wait for instances to be deemed healthy (no ELB)
      ec2_asg:
        name: "{{ resource_prefix }}-asg"
        launch_config_name: "{{ resource_prefix }}-lc"
        desired_capacity: 1
        min_size: 1
        max_size: 1
        vpc_zone_identifier: "{{ testing_subnet.subnet.id }}"
        state: present
        wait_for_instances: yes
        <<: *aws_connection_info
      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"
        state: absent
        wait_timeout: 700
        <<: *aws_connection_info
      async: 300

    # ============================================================

    - name: launch asg and do not wait for instances to be deemed healthy (no ELB)
      ec2_asg:
        name: "{{ resource_prefix }}-asg"
        launch_config_name: "{{ resource_prefix }}-lc"
        desired_capacity: 1
        min_size: 1
        max_size: 1
        vpc_zone_identifier: "{{ testing_subnet.subnet.id }}"
        wait_for_instances: no
        state: present
        <<: *aws_connection_info
      register: output

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

    - name: kill asg
      ec2_asg:
        name: "{{ resource_prefix }}-asg"
        state: absent
        <<: *aws_connection_info
      async: 300

    # ============================================================

    - name: load balancer name has to be less than 32 characters
      # the 8 digit identifier at the end of resource_prefix helps determine during which test something
      # was created
      set_fact:
        load_balancer_name: "{{ item }}-lb"
      with_items: "{{ resource_prefix | regex_findall('.{8}$') }}"

    - name: launch load balancer
      ec2_elb_lb:
        name: "{{ load_balancer_name }}"
        state: present
        security_group_ids:
          - "{{ sg.group_id }}"
        subnets: "{{ testing_subnet.subnet.id }}"
        connection_draining_timeout: 60
        listeners:
          - protocol: http
            load_balancer_port: 80
            instance_port: 80
        health_check:
            ping_protocol: tcp
            ping_port: 80
            ping_path: "/"
            response_timeout: 5
            interval: 10
            unhealthy_threshold: 4
            healthy_threshold: 2
        <<: *aws_connection_info
      register: load_balancer

    - name: launch asg and wait for instances to be deemed healthy (ELB)
      ec2_asg:
        name: "{{ resource_prefix }}-asg"
        launch_config_name: "{{ resource_prefix }}-lc"
        health_check_type: ELB
        desired_capacity: 1
        min_size: 1
        max_size: 1
        health_check_period: 300
        vpc_zone_identifier: "{{ testing_subnet.subnet.id }}"
        load_balancers: "{{ load_balancer_name }}"
        wait_for_instances: yes
        wait_timeout: 900
        state: present
        <<: *aws_connection_info
      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"
        launch_config_name: "{{ resource_prefix }}-lc"
        health_check_type: ELB
        desired_capacity: 3
        min_size: 3
        max_size: 5
        health_check_period: 600
        vpc_zone_identifier: "{{ testing_subnet.subnet.id }}"
        load_balancers: "{{ load_balancer_name }}"
        wait_for_instances: yes
        wait_timeout: 1200
        state: present
        <<: *aws_connection_info
      register: output

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

    # ============================================================

    # # perform rolling replace with different launch configuration

    - name: perform rolling update to new AMI
      ec2_asg:
        name: "{{ resource_prefix }}-asg"
        launch_config_name: "{{ resource_prefix }}-lc-2"
        health_check_type: ELB
        desired_capacity: 3
        min_size: 1
        max_size: 5
        health_check_period: 900
        load_balancers: "{{ load_balancer_name }}"
        vpc_zone_identifier: "{{ testing_subnet.subnet.id }}"
        wait_for_instances: yes
        replace_all_instances: yes
        wait_timeout: 1800
        state: present
        <<: *aws_connection_info
      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 and that the rolling update resulted in the appropriate number of instances
    - assert:
        that:
          - "output.viable_instances == 3"

    # ============================================================

    # perform rolling replace with the original launch configuration

    - name: perform rolling update to new AMI while removing the load balancer
      ec2_asg:
        name: "{{ resource_prefix }}-asg"
        launch_config_name: "{{ resource_prefix }}-lc"
        health_check_type: EC2
        desired_capacity: 3
        min_size: 1
        max_size: 5
        health_check_period: 900
        load_balancers: []
        vpc_zone_identifier: "{{ testing_subnet.subnet.id }}"
        wait_for_instances: yes
        replace_all_instances: yes
        wait_timeout: 1800
        state: present
        <<: *aws_connection_info
      register: output

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

    # assert they are all healthy and that the rolling update resulted in the appropriate number of instances
    # there should be the same number of instances as there were before the rolling update was performed
    - assert:
        that:
          - "output.viable_instances == 3"

    # ============================================================

  always:

    - name: kill asg
      ec2_asg:
        name: "{{ resource_prefix }}-asg"
        state: absent
        <<: *aws_connection_info
      register: removed
      until: removed is not failed
      ignore_errors: yes
      retries: 10

    # Remove the testing dependencies

    - name: remove the load balancer
      ec2_elb_lb:
        name: "{{ load_balancer_name }}"
        state: absent
        security_group_ids:
          - "{{ sg.group_id }}"
        subnets: "{{ testing_subnet.subnet.id }}"
        wait: yes
        connection_draining_timeout: 60
        listeners:
          - protocol: http
            load_balancer_port: 80
            instance_port: 80
        health_check:
            ping_protocol: tcp
            ping_port: 80
            ping_path: "/"
            response_timeout: 5
            interval: 10
            unhealthy_threshold: 4
            healthy_threshold: 2
        <<: *aws_connection_info
      register: removed
      until: removed is not failed
      ignore_errors: yes
      retries: 10

    - name: remove launch configs
      ec2_lc:
        name: "{{ resource_prefix }}-lc"
        state: absent
        <<: *aws_connection_info
      register: removed
      until: removed is not failed
      ignore_errors: yes
      retries: 10
      with_items:
        - "{{ resource_prefix }}-lc"
        - "{{ resource_prefix }}-lc-2"

    - name: remove the security group
      ec2_group:
        name: "{{ resource_prefix }}-sg"
        description: a security group for ansible tests
        vpc_id: "{{ testing_vpc.vpc.id }}"
        state: absent
        <<: *aws_connection_info
      register: removed
      until: removed is not failed
      ignore_errors: yes
      retries: 10

    - name: remove routing rules
      ec2_vpc_route_table:
        state: absent
        vpc_id: "{{ testing_vpc.vpc.id }}"
        tags:
          created: "{{ resource_prefix }}-route"
        routes:
          - dest: 0.0.0.0/0
            gateway_id: "{{ igw.gateway_id }}"
        subnets:
          - "{{ testing_subnet.subnet.id }}"
        <<: *aws_connection_info
      register: removed
      until: removed is not failed
      ignore_errors: yes
      retries: 10

    - name: remove internet gateway
      ec2_vpc_igw:
        vpc_id: "{{ testing_vpc.vpc.id }}"
        state: absent
        <<: *aws_connection_info
      register: removed
      until: removed is not failed
      ignore_errors: yes
      retries: 10

    - name: remove the subnet
      ec2_vpc_subnet:
        tags: "{{ resource_prefix }}-subnet"
        state: absent
        vpc_id: "{{ testing_vpc.vpc.id }}"
        cidr: 10.55.77.0/24
        az: "{{ aws_region }}a"
        resource_tags:
          Name: Ansible Testing Subnet
        <<: *aws_connection_info
      register: removed
      until: removed is not failed
      ignore_errors: yes
      retries: 10

    - name: remove the VPC
      ec2_vpc_net:
        name: "{{ resource_prefix }}-vpc"
        cidr_block: 10.55.77.0/24
        state: absent
        tags:
          Name: Ansible Testing VPC
        tenancy: default
        <<: *aws_connection_info
      register: removed
      until: removed is not failed
      ignore_errors: yes
      retries: 10