create_nlb.yaml

---
- hosts: localhost
  gather_facts: no 
  module_defaults:
    group/aws:
      region: "us-east-2"
  tasks:
    - name: Create Target Group
      elb_target_group:
        name: Module5-tg
        protocol: tcp
        port: 80
        stickiness_enabled: no
        stickiness_type: source_ip
        vpc_id: "{{ vpc.vpc.id }}"
        state: present
        health_check_path: /
      register: nlb_tg
#    - name: Show debug for NLB-TG
#      debug: var=nlb_tg
    - name: Get first EIP
      ec2_eip_info:
        filters:
          tag:Name: nginx-server-ip-1
      register: eip_one
    - name: Get second EIP
      ec2_eip_info:
        filters:
          tag:Name: nginx-server-ip-2
      register: eip_two
 #   - name: Show eip_one info
 #     debug: var=eip_one
 #   - name: Show eip_two info
 #     debug: var=eip_two
    - name: Create Network Load Balancer
      elb_network_lb:
        name: Module5-nlb
        subnet_mappings:
          - SubnetId: "{{  public_subnet_1.subnet.id }}"
            AllocationId: "{{ eip_one.addresses[0].allocation_id }}"
          - SubnetId: "{{  public_subnet_2.subnet.id }}"
            AllocationId: "{{ eip_two.addresses[0].allocation_id }}"
        purge_listeners: yes 
        listeners:
          - Protocol: TCP
            Port: 80
            DefaultActions:
              - Type: forward
                TargetGroupName: "{{ nlb_tg.target_group_name }}"
          - Protocol: TLS
            Port: 443
            Certificates:
              - CertificateArn: "{{ secrets.cert }}"
            DefaultActions:
              - Type: forward
                TargetGroupName: "{{ nlb_tg.target_group_name }}"
        state: present
      register: nlb
#    - name: Show Network Load Balancer info
#      debug: var=nlb
    - name: Create Launch Template
      ec2_launch_template:
        name: "Module5_launch_template"
        image_id: "ami-026dea5602e368e96"
        key_name: mint-tower
        instance_type: t2.micro
        iam_instance_profile: image-gallery-server-role
        network_interfaces:
        - device_index: 0
          description: Module 5 launch template
          associate_public_ip_address: yes
          delete_on_termination: yes
          groups:
            - "{{ nginx_sg.group_id }}"
            - "{{ development_sg.group_id }}"
            - "{{ postgres_tag_sg.group_id }}"
        user_data: "{{ lookup('file', './startup-scripts/ec2_startup.sh') | b64encode }}"
        tags:
          Name: Module5-server-asg
        state: present
      register: launch_template
    - name: Gather EC2 info for Auto Scaling Group
      ec2_instance_info:
        filters:
          tag:Name: Module5-server-asg
          instance-state-name: "running"
      register: asg_ec2
    - name: Show asg_ec2 instances
      debug: var=asg_ec2.instances
    - name: Restart EC2 instances if Network Load Balancer changed
      ec2:
        state: 'absent'
        instance_ids: "{{ item.instance_id}}" 
      with_items: "{{ asg_ec2.instances }}" 
      when: nlb['changed'] == true
#    - name: Debug EC2s in ASG info
#      debug: var=running_asg_ec2s
    - name: Create Auto Scaling Group
      ec2_asg:
        name: Module5_asg
        health_check_type: ELB
        wait_for_instances: False
        lt_check: yes
        launch_template:
          version: '$Latest'
          launch_template_id: "{{ launch_template.latest_template.launch_template_id }}"
        min_size: 2
        max_size: 4
        desired_capacity: 2
        availability_zones:
          - "{{ public_subnet_1.subnet.availability_zone }}"
          - "{{ public_subnet_2.subnet.availability_zone }}"
        vpc_zone_identifier:
          - "{{ public_subnet_1.subnet.id }}"
          - "{{ public_subnet_2.subnet.id }}"
        target_group_arns: "{{ nlb_tg.target_group_arn }}"
        state: present