Managing network connection with Ansible

• Two variables are used to configure network role:

  • network_provider: typically set to nm

  • network_connections: specifies details about network connection

• Defaults for thse variables are set in /usr/share/ansible/roles/rhel-system-roles.network

Module for Network Management

• nmcli: manage parameters for network devices and connections

• hostname: set name of a managed host

• firewalld: manage firewalld rules

Gather some facts:

• ansible all -m setup -a ‘gather_subset=network filter=ansible_interfaces’

---
- name: setup a NIC
  hosts: server2
  tasks:
  - name: configure ens224
    nmcli:
      conn_name: LAN
      ifname: ens224
      type: ethernet
      ip4: 10.0.0.1/24
      state: present
  - name: set hostname
    hostname:
      name: server2.domain.com
  - name: move ens224 to internal zone
    firewalld:
      zone: internal
      interface: ens224
      permanent: yes
      state: enabled
  - name: enable http in firewall internal zone
    firewalld:
      zone: internal
      service: http
      permanent: yes
      state: enabled