Add a configuration for a Vagrant test deployment

Vagrantfile

+
+Vagrant.configure(2) do |config|
+  config.vm.box = "debian/buster64"
+
+  # Use the old insecure Vagrant SSH key for access.
+  config.ssh.insert_key = false
+
+  # Disable synchronization of the /vagrant folder for faster startup.
+  config.vm.synced_folder ".", "/vagrant", disabled: true
+
+  config.vm.provider :libvirt do |libvirt|
+    libvirt.cpus = 1
+    libvirt.memory = 3072
+  end
+
+  config.vm.define "host1" do |m|
+    m.vm.hostname = "host1"
+    m.vm.network "private_network", ip: "10.121.20.10", libvirt__dhcp_enabled: false
+  end
+  config.vm.define "host2" do |m|
+    m.vm.hostname = "host2"
+    m.vm.network "private_network", ip: "10.121.20.11", libvirt__dhcp_enabled: false
+  end
+end

config-vagrant.yml

+---
+plugin: float
+services_file: config/services.common.yml
+hosts_file: hosts-vagrant.yml
+passwords_file: config/passwords.common.yml
+credentials_dir: credentials
+vars_dir: group_vars/all

group_vars/vagrant/config.yml

+enable_ssh: false
+testing: true

hosts-vagrant.yml

+hosts:
+  floatapp1:
+    groups: [backend, vagrant]
+    ansible_host: 10.121.20.10
+    ip: 10.121.20.10
+    ip_vpn0: 172.16.1.1
+  floatrp1:
+    groups: [frontend, vagrant]
+    ansible_host: 10.121.20.11
+    ip: 10.121.20.11
+    ip_vpn0: 172.16.1.2
+    location: Seattle
+group_vars:
+  vagrant:
+    ansible_user: vagrant
+    ansible_become: true
+    ansible_ssh_private_key_file: "~/.vagrant.d/insecure_private_key"
+    enable_ssh: false
+    testing: true
+