diff --git a/etc/kayobe/inventory/group_vars/infra-vms/ansible-python-interpreter b/etc/kayobe/inventory/group_vars/infra-vms/ansible-python-interpreter
new file mode 100644
index 0000000..54abbf2
--- /dev/null
+++ b/etc/kayobe/inventory/group_vars/infra-vms/ansible-python-interpreter
@@ -0,0 +1,3 @@
+---
+# Use a virtual environment for remote operations.
+ansible_python_interpreter: "{{ virtualenv_path }}/kayobe/bin/python"
diff --git a/etc/kayobe/inventory/group_vars/infra-vms/network-interfaces b/etc/kayobe/inventory/group_vars/infra-vms/network-interfaces
new file mode 100644
index 0000000..015413d
--- /dev/null
+++ b/etc/kayobe/inventory/group_vars/infra-vms/network-interfaces
@@ -0,0 +1,12 @@
+---
+###############################################################################
+# Network interface definitions for the infra-vms group.
+
+# Overcloud provisioning network IP information.
+# provision_oc_net_interface:
+# provision_oc_net_bridge_ports:
+# provision_oc_net_bond_slaves:
+
+###############################################################################
+# Dummy variable to allow Ansible to accept this file.
+workaround_ansible_issue_8743: yes
diff --git a/etc/kayobe/inventory/host_vars/infra-vm-1 b/etc/kayobe/inventory/host_vars/infra-vm-1
new file mode 100644
index 0000000..3179497
--- /dev/null
+++ b/etc/kayobe/inventory/host_vars/infra-vm-1
@@ -0,0 +1,7 @@
+---
+
+# Number of vCPUs.
+infra_vm_vcpus: 1
+
+# Memory in MB.
+infra_vm_memory_mb: "{{ 2 * 1024 }}"
diff --git a/etc/kayobe/inventory/infra-vms b/etc/kayobe/inventory/infra-vms
new file mode 100644
index 0000000..8767b1a
--- /dev/null
+++ b/etc/kayobe/inventory/infra-vms
@@ -0,0 +1,2 @@
+[infra-vms]
+infra-vm-1
diff --git a/etc/kayobe/network-allocation.yml b/etc/kayobe/network-allocation.yml
index cb05f43..aa12640 100644
--- a/etc/kayobe/network-allocation.yml
+++ b/etc/kayobe/network-allocation.yml
@@ -1,5 +1,5 @@
----
 aio_ips:
   controller0: 192.168.33.3
-  seed-hypervisor: 192.168.33.4
+  infra-vm-1: 192.168.33.6
   seed: 192.168.33.5
+  seed-hypervisor: 192.168.33.4