Apps DBA Workshop

 This blogpost will provide details and steps for  automating VLAN-tagged bridge setup on a KVM host using Ansible , and then optionally connect it to OLVM if needed. Use Ansible to: Create a VLAN sub-interface on a physical NIC. Create a Linux bridge attached to that VLAN interface. Ensure the bridge is ready to be used by VMs or OLVM. Prerequisites Ansible installed on a control node. SSH access to the KVM host(s). nmcli or network role availability (for Red Hat-based distros). Ansible Playbook Example Directory Structure: vlan-bridge-setup/ ├── inventory └── vlan_bridge.yml inventory: [kvmhosts] 192.168.125.100 ansible_user=root vlan_bridge.yml: - name: Configure VLAN tagged bridge on KVM host   hosts: kvmhosts   become: yes   tasks:     - name: Create VLAN interface eth0.100       nmcli:         conn_name: vlan100         ifname: eth0         type: vla...