Example of an ansible playbook for replacing an NLB cluster

nlb_cluster.yml

---

- name: CREATE NODES,POOL,VIRTUAL SERVER FOR MyNLBcluster
  hosts: f5
  connection: local
  gather_facts: false
  vars:
    default_partition: "_NLB_Partition"
    pool_name: "POOL-PROD_MyNLBcluster"
    vip_basename: "VIP_PROD_MyNLBcluster"
    ports:
      - 80
      - 443
    nodes:
      - { ip: "10.6.1.11", fqdn: "server_1.mycompany.com", node_name: "/Common/server_1", name: "server_1", description: "PROD-WEB", env: "PROD" }
      - { ip: "10.6.1.12", fqdn: "server_2.mycompany.com", node_name: "/Common/server_2", name: "server_2", description: "PROD-WEB", env: "PROD" }
      - { ip: "10.6.1.13", fqdn: "server_3.mycompany.com", node_name: "/Common/server_3", name: "server_3", description: "PROD-WEB", env: "PROD" }
      - { ip: "10.6.1.14", fqdn: "server_4.mycompany.com", node_name: "/Common/server_4", name: "server_4", description: "PROD-WEB", env: "PROD" }
  tasks:
    - name: Add nodes
      bigip_node:
        server: "10.1.1.10"
        validate_certs: false
        user: "{{ my_login }}"
        password: "{{ my_password }}"
        state: "present"
        partition: "Common"
        address: "{{ item.ip }}"
        name: "{{ item.node_name }}"
        description: "{{ item.description }}"
        monitors:
          - "/Common/_NODE-internal-default_{{ item.env }}_ICMP"
      with_items: "{{ nodes }}"

    - name: "Add pools: {{ pool_name }}"
      bigip_pool:
        server: "10.1.1.10"
        validate_certs: false
        user: "{{ my_login }}"
        password: "{{ my_password }}"
        state: "present"
        partition: "{{ default_partition }}"
        lb_method: "least_connection_node_address"
        name: "{{ pool_name }}-{{ item }}"
        monitors:
          - "/Common/_POOL_{{ item }}_GenericTCP"
      with_items: "{{ ports }}"

    - name: Add <nodes>:80 to pool
      bigip_pool_member:
        server: "10.1.1.10"
        validate_certs: false
        user: "{{ my_login }}"
        password: "{{ my_password }}"
        state: "present"
        partition: "{{ default_partition }}"
        pool: "{{ pool_name }}-80"
        host: "{{ item.ip }}"
        port: 80
        description: "{{ item.description }}"
        name: "{{ item.node_name }}"
        connection_limit: 0
        monitor_state: enabled
        preserve_node: false
        rate_limit: 0
        ratio: 1
        session_state: enabled
      with_items: "{{ nodes }}"

    - name: Add <nodes>:443 to pool
      bigip_pool_member:
        server: "10.1.1.10"
        validate_certs: false
        user: "{{ my_login }}"
        password: "{{ my_password }}"
        state: "present"
        partition: "{{ default_partition }}"
        pool: "{{ pool_name }}-443"
        host: "{{ item.ip }}"
        port: 443
        description: "{{ item.description }}"
        name: "{{ item.node_name }}"
        connection_limit: 0
        monitor_state: enabled
        preserve_node: false
        rate_limit: 0
        ratio: 1
        session_state: enabled
      with_items: "{{ nodes }}"

    - name: Add Virtual Servers for MyNLBcluster (sticky)
      bigip_virtual_server:
        server: "10.1.1.10"
        validate_certs: false
        user: "{{ my_login }}"
        password: "{{ my_password }}"
        state: "present"
        partition: "{{ default_partition }}"
        name: "{{ vip_basename }}_{{ item }}_Int"
        destination: "10.6.1.178"
        port: "{{ item }}"
        snat: Automap
        default_persistence_profile: "/Common/source_addr"
        pool: "{{ pool_name }}-{{ item }}"
      with_items: "{{ ports }}"