adjust-mtu-dnsmasq-ironic.yml

- when: mtu is defined
  block:

    - name: Adjust interface mtus
      become: yes
      shell: >
        ip link set {{ item }} mtu {{ mtu }};
        echo "MTU={{ mtu }}" >> /etc/sysconfig/network-scripts/ifcfg-{{ item }}
      with_items:  "{{ mtu_interface }}"

    - name: Modify dnsmasq-ironic.conf
      become: yes
      shell: >
        echo -e "\ndhcp-option-force=26,{{ mtu }}" >> /etc/dnsmasq-ironic.conf;
        systemctl restart 'neutron-*'