disable-pool-member.yml

---
- name: "Disabling a pool member"
  hosts: lb
  gather_facts: false
  connection: local

  tasks:
    - name: Setup provider
      set_fact:
        provider:
          server: "{{private_ip}}"
          user: "{{ansible_user}}"
          password: "{{ansible_ssh_pass}}"
          server_port: 8443
          validate_certs: false

    - name: Query BIG-IP facts
      f5networks.f5_modules.bigip_device_info:
        provider: "{{provider}}"
        gather_subset:
          - ltm-pools
      register: bigip_facts

    - name: Display Pools available
      debug: "msg={{item.name}}"
      loop: "{{bigip_facts.ltm_pools}}"
      loop_control:
        label: "{{item.name}}"

    - name: Store pool name in a variable
      set_fact:
        pool_name: "{{item.name}}"
      loop: "{{bigip_facts.ltm_pools}}"
      no_log: true

    - name: "Show members belonging to pool {{pool_name}}"
      debug: "msg={{item}}"
      loop: "{{bigip_facts.ltm_pools | json_query(query_string)}}"
      vars:
        query_string: "[?name=='{{pool_name}}'].members[*].name[]"

    - pause:
        prompt: "To disable a particular member enter member with format member_name:port \nTo disable all members of the pool enter 'all'"
      register: member_name

    - name: Disable ALL pool members
      f5networks.f5_modules.bigip_pool_member:
        provider: "{{provider}}"
        state: "forced_offline"
        name: "{{item.split(':')[0]}}"
        pool: "{{pool_name}}"
        port: "{{item.split(':')[1]}}"
        host: "{{hostvars[item.split(':')[0]].ansible_host}}"
      loop: "{{bigip_facts.ltm_pools | json_query(query_string)}}"
      vars:
        query_string: "[?name=='{{pool_name}}'].members[*].name[]"
      when: '"all" in member_name.user_input'

    - name: Disable pool member {{member_name.user_input}}
      f5networks.f5_modules.bigip_pool_member:
        provider: "{{provider}}"
        state: "forced_offline"
        name: "{{member_name.user_input.split(':')[0]}}"
        pool: "{{pool_name}}"
        port: "{{member_name.user_input.split(':')[1]}}"
        host: "{{hostvars[member_name.user_input.split(':')[0]].ansible_host}}"
      when: '"all" not in member_name.user_input'