lb_health_monitor_test.yml

---

- hosts: localhost
  vars:
    network: "private"
  tasks:
    - name : Create security group webservers
      openstack.cloud.security_group:
        cloud: {{cloud}}
        state: present
        name: webservers
        description: security group for foo servers

    - name: Allow port 80 access
      openstack.cloud.security_group_rule:
        cloud: {{ cloud }}
        security_group: webservers  
        protocol: tcp
        port_range_min: 80
        port_range_max: 80
        remote_ip_prefix: 0.0.0.0/0
    
    - name: Create a cirros server that acts as simple webserver
      openstack.cloud.server:
        cloud: {{ cloud }}
        state: present
        name: "cirros01"
        image: "{{ image }}"
        flavor: "{{ flavor }}"
        security_groups: 
          - default
          - webservers
        network: "{{network}}"
        auto_floating_ip: false
        wait: true
        userdata: "#!/bin/sh\n MYIP=$(ifconfig eth0|grep 'inet addr'|awk -F: '{print $2}'| awk '{print $1}'); while true; do echo -e \"HTTP/1.0 200 OK\\r\\n\\r\\nWelcome to $MYIP\" | sudo nc -l -p 80 ; done&"
      register: server
    
    - name: print
      debug:
        msg: "{{ server.openstack.addresses[network][0].addr }}"

    - name: "Create load balancer"
      openstack.cloud.loadbalancer:
        name: lbtest
        state: present
        vip_subnet: "private-subnet"
        auto_public_ip: yes
        public_network: public
        listeners:
          - name: listener01_80
            protocol: HTTP
            protocol_port: 80
            pool:
              name: pool01
              protocol: HTTP
              members:
                - name: cirros01
                  address: "{{ server.openstack.addresses[network][0].addr }}"
                  protocol_port: 80
                  subnet: "shared-subnet"
        wait: yes
        timeout: 1200
      register: lb

    - name: print
      debug:
        msg: "{{ lb }}"


  - name: "Create health monitor"
    openstack.cloud.lb_health_monitor:
      cloud: "{{ cloud }}"  
      wait: true
      admin_state_up: True
      expected_codes: '200'
      max_retries_down: '4'
      http_method: GET
      url_path: "/"
      pool: "{{ lb.loadbalancer.pools[0].id }}"
      name: 'test_health_monitor'
      delay: '15'
      max_retries: '3'
      resp_timeout: '10'
      state: present
      register: result
    
  - name: print
    debug:
      msg: "{{ result.health_monitor }}"

This is a draft for a playbook that should do some CI octavia tests for ansible-collections-openstack