sm0svx / ansible-role-fcos-virt

An Ansible role for installing Fedora CoreOS on libvirt

Ansible Role for installing Fedora CoreOS on libvirt

This is an Ansible role which is used to install Fedora CoreOS as a virtual machine on a libvirt virtualisation host.

Configuration

There are a number of configuration variables that can be used to customize this role. All variables can be found in defaults/main.yml.

You will probably have to change at least the variables below.

Configuration Example

# The hostname or IP address of the host running libvirt
fcos_virt_vm_host: "my_virtualisation_host.example.org"

# The name of the bridge interface on the VM host to use for networking
fcos_virt_vm_bridge_name: "dmz"

# The IPv4 address of the network interface
fcos_virt_vm_ip4: "192.168.1.55/24"

# The IPv4 default gateway to use
fcos_virt_vm_gw4: "192.168.1.254"

# List of DNS server(s) to use
fcos_virt_vm_dns:
  - 192.168.0.254

# The SSH public keys for the users that are allowed to log in to the 'core'
# user account
fcos_virt_ssh_authorized_keys:
  - ssh-rsa AAAA_YOUR_COMPLETE_SSH_PUBLIC_KEY_GOES_HERE [e-mail]

Example playbook

This is an example playbook for using this role. In addition to installing FCOS this example playbook will also install a ''hello'' service that just print hello to stdout.

---
- name: Install Fedora Core OS on libvirt
  hosts: fcos
  gather_facts: False
  vars:
    ansible_become: True
  roles:
    - fcos-virt

- name: Install services on Fedora CoreOS
  hosts: fcos
  vars:
    ansible_become: True
  tasks:
    - name: Install test service
      copy:
        dest: /etc/systemd/system/hello.service
        owner: root
        group: root
        mode: 0644
        content: |
          [Unit]
          Description=MyApp
          After=network-online.target
          Wants=network-online.target

          [Service]
          TimeoutStartSec=0
          ExecStartPre=-/bin/podman kill busybox1
          ExecStartPre=-/bin/podman rm busybox1
          ExecStartPre=/bin/podman pull busybox
          ExecStart=/bin/podman run --name busybox1 busybox /bin/sh -c "trap 'exit 0' INT TERM; while true; do echo Hello World; sleep 1; done"

          [Install]
          WantedBy=multi-user.target

    - name: Start test service
      service:
        name: hello.service
        enabled: True
        state: started