ELb

# get the public ip from instance id
# IP=`aws ec2 describe-instances --instance-id i-03a598019b860ff29 --profile My_Own | grep ASSOCIATION | awk '{print $3}' | head -1`
#
---
- hosts: localhost
  connection: local
  gather_facts: no
  tasks:
   - name: Get the facts about the ELB
     ec2_elb_facts:
       names: TestELB
       region: "us-west-2"
     register: elb_facts

   - name: Instance(s) ID that are currently registered to the ELB
     debug:
       #msg: "{{ elb_facts.elbs.0.instances }}"
       msg: "{{ elb_facts.elbs.0.instances.0 }}"

   - name: remove an instance from ELB
     local_action: ec2_elb
     args:
       instance_id: "{{ elb_facts.elbs.0.instances.0 }}"
       #instance_id: "i-03a598019b860ff29"
       region: 'us-west-2'
       state: absent
       wait: yes

   - name: Get the facts about the ELB
     ec2_elb_facts:
       names: TestELB
       region: "us-west-2"
     register: out_from_elb

   #- name: find which instance is out from elb
   #  shell: aws ec2 describe-instances --instance-id i-03a598019b860ff29 --profile My_Own | grep ASSOCIATION | awk '{print $3}'
   #  pause: 10

   - name: add instance back to ELB
     local_action: ec2_elb
     args:
       instance_id: "{{ elb_facts.elbs.0.instances.0 }}"
       #instance_id: "i-03a598019b860ff29"
       ec2_elbs: "TestELB"
       region: 'us-west-2'
       state: present
       wait: yes