F5-add-node.yaml

# Playbook that uses the bigip_node module to configure two web servers as nodes on the F5 load balancer
## name is a user defined description that will display in the terminal output
## bigip_node: tells the task which module to use. Everything except loop is a module parameter
## The server: private_ip parameter tells the module to connect to the F5 IP address stored as a variable in the inventory
## The provider: parameter is a group of connection details for the Load balancer
## The user: "ansible_user" parameter tells the module the username to login to the F5 with, variable in the inventory
## The password: "ansible_password parameter tells the module the password to login to the F5 with, variable in the inventory
## The server_port: parameter tells the module the port to connect to the F5 with
## The host: "hostvars[item].ansible_host" parameter tells the module to add a web server IP address already defined in the inventory
## The name: "hostvars[item].inventory_hostname" parameter tells the module to use the inventory_hostname
## The validate_certs: false parameter tells the module to not validate SSL certificates
## The loop: tells the task to loop over the provided list. The list in this case is the group web which includes two webserver hosts


---
- name: F5 Add Nodes
  hosts: lb
  connection: local
  gather_facts: false

  tasks:
    - name: CREATE NODES
      f5networks.f5_modules.bigip_node:
        provider:
          server: "{{private_ip}}"
          user: "{{ansible_user}}"
          password: "{{ansible_password}}"
          server_port: 8443
          validate_certs: false
        host: "{{hostvars[item].ansible_host}}"
        name: "{{hostvars[item].inventory_hostname}}"
      loop: "{{ groups['web'] }}"
...