diff --git a/.gitignore b/.gitignore
index a0bc7ef..6fe3a61 100644
--- a/.gitignore
+++ b/.gitignore
@@ -109,3 +109,8 @@ ansible/*.retry
 ansible/roles/*\.*/
 # Galaxy collections
 ansible/collections/**/
+
+# Editors
+*~
+.*.swp
+.*sw?
diff --git a/examples/container-clusters.yml b/examples/container-clusters.yml
new file mode 100644
index 0000000..4d85d20
--- /dev/null
+++ b/examples/container-clusters.yml
@@ -0,0 +1,26 @@
+---
+###############################################################################
+# Configuration of Magnum container clusters.
+
+# List of magnum cluster templates. Format is as required by the
+# stackhpc.os-container-clusters role.
+openstack_container_clusters_templates:
+  - "{{ openstack_container_clusters_template_k8s_fedora_coreos }}"
+
+# Kubernetes magnum cluster template.
+openstack_container_clusters_template_k8s_fedora_coreos:
+  labels: "heat_container_agent_tag=ussuri-stable-1,kube_tag=v1.18.9,cloud_provider_tag=v1.18.2,monitoring_enabled=true,auto_scaling_enabled=true,auto_healing_enabled=true,auto_healing_controller=magnum-auto-healer,magnum_auto_healer_tag=latest,master_lb_floating_ip_enabled=true,cinder_csi_enabled=true,ingress_controller=octavia"
+  external-network: "external"
+  master-flavor: "m1.medium"
+  flavor: "m1.medium"
+  image: "FedoraCoreOS32"
+  name: "k8s-fedora-coreos-32"
+  coe: "kubernetes"
+  network-driver: "calico"
+  docker-storage_driver: "overlay2"
+  volume-driver: "cinder"
+  server-type: "vm"
+  master-lb-enabled:
+  floating-ip-enabled:
+  public:
+  dns-nameserver: "8.8.8.8"
diff --git a/examples/flavors-ironic.yml b/examples/flavors-ironic.yml
new file mode 100644
index 0000000..12d2d96
--- /dev/null
+++ b/examples/flavors-ironic.yml
@@ -0,0 +1,20 @@
+---
+###############################################################################
+# Configuration of nova flavors for openstack.
+
+# List of nova flavors in the openstack demo project. Format is as required by the
+# stackhpc.os-flavors role.
+openstack_flavors:
+  - "{{ openstack_flavor_baremetal_A }}"
+
+# Bare metal compute node.
+openstack_flavor_baremetal_A:
+  name: "baremetal-A"
+  ram: 65536
+  disk: 0
+  vcpus: 64
+  extra_specs:
+    "resources:CUSTOM_BAREMETAL_A": 1
+    "resources:VCPU": 0
+    "resources:MEMORY_MB": 0
+    "resources:DISK_GB": 0
diff --git a/examples/flavors.yml b/examples/flavors.yml
new file mode 100644
index 0000000..cc4d362
--- /dev/null
+++ b/examples/flavors.yml
@@ -0,0 +1,43 @@
+---
+###############################################################################
+# Configuration of nova flavors for openstack.
+
+# List of nova flavors in the openstack demo project. Format is as required by the
+# stackhpc.os-flavors role.
+openstack_flavors:
+  - "{{ openstack_flavor_m1_tiny }}"
+  - "{{ openstack_flavor_m1_small }}"
+  - "{{ openstack_flavor_m1_medium }}"
+  - "{{ openstack_flavor_m1_large }}"
+  - "{{ openstack_flavor_m1_xlarge }}"
+
+# Virtual machine flavors.
+openstack_flavor_m1_tiny:
+  name: "m1.tiny"
+  ram: 512
+  disk: 1
+  vcpus: 1
+
+openstack_flavor_m1_small:
+  name: "m1.small"
+  ram: 2048
+  disk: 20
+  vcpus: 1
+
+openstack_flavor_m1_medium:
+  name: "m1.medium"
+  ram: 4096
+  disk: 40
+  vcpus: 2
+
+openstack_flavor_m1_large:
+  name: "m1.large"
+  ram: 8192
+  disk: 40
+  vcpus: 4
+
+openstack_flavor_m1_xlarge:
+  name: "m1.xlarge"
+  ram: 16384
+  disk: 100
+  vcpus: 8
diff --git a/examples/host-aggregates.yml b/examples/host-aggregates.yml
new file mode 100644
index 0000000..9a647cd
--- /dev/null
+++ b/examples/host-aggregates.yml
@@ -0,0 +1,17 @@
+---
+###############################################################################
+# Configuration of nova host aggregates for openstack.
+
+# List of nova host aggregates. Format is as required by the
+# stackhpc.os_host_aggregates role.
+
+openstack_host_aggregates:
+  - "{{ openstack_example_aggregate }}"
+
+openstack_example_aggregate:
+  name: "example_aggregate"
+  hosts:
+    - host1
+    - host2
+  metadata:
+    type: example_cluster
diff --git a/examples/images.yml b/examples/images.yml
new file mode 100644
index 0000000..d879250
--- /dev/null
+++ b/examples/images.yml
@@ -0,0 +1,40 @@
+---
+###############################################################################
+# Configuration of Glance software images.
+
+# List of Glance images. Format is as required by the stackhpc.os-images role.
+openstack_images:
+  - "{{ openstack_image_centos_stream8 }}"
+
+openstack_image_centos_stream8:
+  name: "CentOS-stream8"
+  type: raw
+  elements:
+    - "centos"
+    - "cloud-init"
+    - "selinux-permissive"
+    - "dhcp-all-interfaces"
+    - "vm"
+    - "grub2"
+    - "stable-interface-names"
+  is_public: True
+  env:
+    YUM: dnf
+    DIB_RELEASE: "8-stream"
+  properties:
+    os_type: "linux"
+    os_distro: "centos"
+    os_version: "8-stream"
+
+# List of Diskimage Builder (DIB) elements paths to include in image builds.
+openstack_image_elements:
+  - "{{ openstack_image_stackhpc_elements }}/elements"
+
+# This creates a git checkout in the local user's home directory
+openstack_image_stackhpc_elements: "{{ ansible_env.PWD }}/stackhpc-image-elements"
+
+# List of Diskimage Builder (DIB) elements Git repositories to use in image
+# builds.
+openstack_image_git_elements:
+  - repo: "https://github.com/stackhpc/stackhpc-image-elements.git"
+    local: "{{ openstack_image_stackhpc_elements }}"
diff --git a/examples/networks-ironic.yml b/examples/networks-ironic.yml
new file mode 100644
index 0000000..8e26207
--- /dev/null
+++ b/examples/networks-ironic.yml
@@ -0,0 +1,150 @@
+---
+###############################################################################
+# Configuration of networks, subnets and routers for openstack.
+
+# List of networks in the openstack system. Format is as required by the
+# stackhpc.os-networks role.
+openstack_networks:
+  - "{{ openstack_network_internal }}"
+  - "{{ openstack_network_provision }}"
+  - "{{ openstack_network_cleaning }}"
+  - "{{ openstack_network_inspection }}"
+
+# openstack internal network name.
+openstack_network_internal_name: "internal"
+
+# openstack internal network.
+openstack_network_internal:
+  name: "{{ openstack_network_internal_name }}"
+  project: "admin"
+  provider_network_type: "vlan"
+  provider_physical_network: "physnet1"
+  provider_segmentation_id: 65
+  shared: false
+  # Subnet configuration.
+  subnets:
+    - "{{ openstack_subnet_internal }}"
+
+# openstack internal subnet.
+openstack_subnet_internal:
+  name: "{{ openstack_network_internal_name }}"
+  project: "admin"
+  cidr: "10.65.0.0/16"
+  enable_dhcp: false
+  allocation_pool_start: "10.65.0.2"
+  allocation_pool_end: "10.65.0.4"
+
+# openstack provision network name.
+openstack_network_provision_name: "provision-net"
+
+# openstack provision network.
+openstack_network_provision:
+  name: "{{ openstack_network_provision_name }}"
+  project: "admin"
+  provider_network_type: "vlan"
+  provider_physical_network: "physnet1"
+  provider_segmentation_id: 69
+  shared: false
+  # Subnet configuration.
+  subnets:
+    - "{{ openstack_subnet_provision }}"
+
+# openstack provision subnet.
+openstack_subnet_provision:
+  name: "{{ openstack_network_provision_name }}"
+  project: "admin"
+  cidr: "10.69.0.0/16"
+  enable_dhcp: false
+  allocation_pool_start: "10.69.0.1"
+  allocation_pool_end: "10.69.0.1"
+
+# openstack cleaning network name.
+openstack_network_cleaning_name: "cleaning-net"
+
+# openstack cleaning network.
+openstack_network_cleaning:
+  name: "{{ openstack_network_cleaning_name }}"
+  project: "admin"
+  provider_network_type: "vlan"
+  provider_physical_network: "physnet1"
+  provider_segmentation_id: 70
+  shared: false
+  # Subnet configuration.
+  subnets:
+    - "{{ openstack_subnet_cleaning }}"
+
+# openstack cleaning subnet.
+openstack_subnet_cleaning:
+  name: "{{ openstack_network_cleaning_name }}"
+  project: "admin"
+  cidr: "10.70.0.0/16"
+  enable_dhcp: false
+  allocation_pool_start: "10.70.0.1"
+  allocation_pool_end: "10.70.0.1"
+
+# openstack inspection network name.
+openstack_network_inspection_name: "inspection-net"
+
+# openstack inspection network.
+openstack_network_inspection:
+  name: "{{ openstack_network_inspection_name }}"
+  project: "admin"
+  provider_network_type: "vlan"
+  provider_physical_network: "physnet1"
+  provider_segmentation_id: 71
+  shared: false
+  # Subnet configuration.
+  subnets:
+    - "{{ openstack_subnet_inspection }}"
+
+# openstack inspection subnet.
+openstack_subnet_inspection:
+  name: "{{ openstack_network_inspection_name }}"
+  project: "admin"
+  cidr: "10.71.0.0/16"
+  enable_dhcp: false
+  allocation_pool_start: "10.71.0.1"
+  allocation_pool_end: "10.71.0.1"
+
+# List of routers in the openstack demo project. Format is as required by the
+# stackhpc.os-networks role.
+openstack_routers:
+  - "{{ openstack_router_provision }}"
+  - "{{ openstack_router_cleaning }}"
+  - "{{ openstack_router_inspection }}"
+
+# openstack bare metal provisioning router.
+openstack_router_provision:
+  - name: "provision"
+    project: "admin"
+    interfaces:
+      - net: "{{ openstack_network_internal_name }}"
+        subnet: "{{ openstack_network_internal_name }}"
+        portip: "10.65.0.2"
+      - net: "provision-net"
+        subnet: "provision-net"
+        portip: "10.69.0.1"
+
+# openstack bare metal cleaning router.
+openstack_router_cleaning:
+  - name: "cleaning"
+    project: "admin"
+    interfaces:
+      - net: "{{ openstack_network_internal_name }}"
+        subnet: "{{ openstack_network_internal_name }}"
+        portip: "10.65.0.3"
+      - net: "cleaning-net"
+        subnet: "cleaning-net"
+        portip: "10.70.0.1"
+
+# openstack bare metal inspection router.
+openstack_router_inspection:
+  - name: "inspection"
+    project: "admin"
+    interfaces:
+      - net: "{{ openstack_network_internal_name }}"
+        subnet: "{{ openstack_network_internal_name }}"
+        portip: "10.65.0.4"
+      - net: "inspection-net"
+        subnet: "inspection-net"
+        portip: "10.71.0.1"
diff --git a/examples/networks.yml b/examples/networks.yml
new file mode 100644
index 0000000..f6e6c12
--- /dev/null
+++ b/examples/networks.yml
@@ -0,0 +1,137 @@
+---
+###############################################################################
+# Configuration of networks, subnets and routers for openstack.
+
+# List of networks in the openstack system. Format is as required by the
+# stackhpc.os-networks role.
+openstack_networks:
+  - "{{ openstack_network_external }}"
+  - "{{ openstack_network_demo_vxlan }}"
+  - "{{ openstack_network_demo_vlan }}"
+  - "{{ openstack_network_demo_provider }}"
+
+# openstack external network name.
+openstack_network_external_name: "external"
+
+# openstack external network.
+openstack_network_external:
+  name: "{{ openstack_network_external_name }}"
+  project: "admin"
+  provider_network_type: "vlan"
+  provider_physical_network: "physnet1"
+  provider_segmentation_id: 60
+  shared: true
+  external: true
+  # Subnet configuration.
+  subnets:
+    - "{{ openstack_subnet_external }}"
+
+# openstack external subnet.
+openstack_subnet_external:
+  name: "{{ openstack_network_external_name }}"
+  project: "admin"
+  cidr: "10.60.0.0/16"
+  gateway_ip: "10.60.255.1"
+  allocation_pool_start: "10.60.2.0"
+  allocation_pool_end: "10.60.5.255"
+
+# openstack demo VXLAN network name.
+openstack_network_demo_vxlan_name: "demo-vxlan"
+
+# openstack demo VXLAN network.
+openstack_network_demo_vxlan:
+  name: "{{ openstack_network_demo_vxlan_name }}"
+  project: demo
+  provider_network_type: "vxlan"
+  shared: false
+  # Subnet configuration.
+  subnets:
+    - "{{ openstack_subnet_demo_vxlan }}"
+
+# openstack demo VXLAN subnet.
+openstack_subnet_demo_vxlan:
+  name: "{{ openstack_network_demo_vxlan_name }}"
+  project: demo
+  cidr: "10.1.0.0/24"
+  gateway_ip: "10.1.0.1"
+  allocation_pool_start: "10.1.0.2"
+  allocation_pool_end: "10.1.0.254"
+
+# openstack demo VLAN network name.
+openstack_network_demo_vlan_name: "demo-vlan"
+
+# openstack demo VLAN network.
+openstack_network_demo_vlan:
+  name: "{{ openstack_network_demo_vlan_name }}"
+  project: demo
+  provider_network_type: "vlan"
+  provider_physical_network: "physnet1"
+  shared: false
+  # Subnet configuration.
+  subnets:
+    - "{{ openstack_subnet_demo_vlan }}"
+
+# openstack demo VLAN subnet.
+openstack_subnet_demo_vlan:
+  name: "{{ openstack_network_demo_vlan_name }}"
+  project: demo
+  cidr: "10.0.0.0/24"
+  gateway_ip: "10.0.0.1"
+  allocation_pool_start: "10.0.0.2"
+  allocation_pool_end: "10.0.0.254"
+
+# openstack demo provider VLAN network name.
+openstack_network_demo_provider_name: "demo-provider"
+
+# openstack demo provider VLAN
+openstack_network_demo_provider:
+  name: "{{ openstack_network_demo_provider_name }}"
+  project: demo
+  provider_network_type: "vlan"
+  provider_physical_network: "physnet1"
+  provider_segmentation_id: 100
+  shared: false
+  # Subnet configuration.
+  subnets:
+    - "{{ openstack_subnet_demo_provider }}"
+
+# openstack demo provider VLAN subnet
+openstack_subnet_demo_provider:
+  name: "{{ openstack_network_demo_provider_name }}"
+  project: demo
+  cidr: "10.100.0.0/16"
+  gateway_ip: "10.100.0.1"
+  allocation_pool_start: "10.100.1.0"
+  allocation_pool_end: "10.100.99.255"
+  host_routes:
+    - destination: "10.66.0.0/16"
+      nexthop: "10.100.0.2"
+
+# List of routers in the openstack demo project. Format is as required by the
+# stackhpc.os-networks role.
+openstack_routers:
+  - "{{ openstack_router_demo }}"
+
+# openstack demo router.
+openstack_router_demo:
+  - name: demo
+    project: demo
+    interfaces:
+      - "{{ openstack_network_demo_vlan_name }}"
+      - "{{ openstack_network_demo_vxlan_name }}"
+      - "{{ openstack_network_demo_provider_name }}"
+    network: "{{ openstack_network_external_name }}"
+
+# List of security groups in the openstack demo project.
+# Format is as required by the stackhpc.os-networks role.
+openstack_security_groups:
+  # Default security group for the openstack demo project.
+  - name: default
+    project: demo
+    rules:
+      # Allow ICMP (for ping, etc.).
+      - protocol: icmp
+      # Allow SSH.
+      - protocol: tcp
+        port_range_min: 22
+        port_range_max: 22
diff --git a/examples/projects.yml b/examples/projects.yml
new file mode 100644
index 0000000..ab5250d
--- /dev/null
+++ b/examples/projects.yml
@@ -0,0 +1,72 @@
+---
+###############################################################################
+# Configuration of OpenStack user environment for OpenStack.
+
+# List of OpenStack projects. Format is as required by the stackhpc.os-projects
+# role.
+openstack_projects:
+  - "{{ openstack_demo_project }}"
+
+# Definition of the openstack demo project. Format is as required by the
+# stackhpc.os-projects role.
+openstack_demo_project:
+  name: demo
+  description: OpenStack demo project
+  project_domain: default
+  user_domain: default
+  users: "{{ openstack_demo_users }}"
+  quotas: "{{ openstack_unlimited_quotas }}"
+
+# List of users in the openstack ResOps team. Format is as required by the
+# stackhpc.os-projects role.
+openstack_demo_users:
+  - name: alice
+    password: !vault |
+      $ANSIBLE_VAULT;1.1;AES256
+      <snip>
+    email: alice@example.com
+    roles: "{{ openstack_admin_roles }}"
+  - name: bob
+    password: !vault |
+      $ANSIBLE_VAULT;1.1;AES256
+      <snip>
+    email: bob@example.com
+    roles: "{{ openstack_user_roles }}"
+
+# List of roles to apply to admin users in the openstack demo project.
+openstack_admin_roles:
+  - admin
+  - heat_stack_owner
+  # This allows a user admin access to octavia APIs.
+  # https://docs.openstack.org/octavia/latest/configuration/policy.html
+  - load-balancer_admin
+
+# List of roles to apply to regular users in the openstack demo project.
+openstack_user_roles:
+  - member
+  - heat_stack_owner
+  # This allows a user read and write access to octavia APIs.
+  # https://docs.openstack.org/octavia/latest/configuration/policy.html
+  - load-balancer_member
+  # This allows a user read access to Barbican secrets.
+  # https://docs.openstack.org/barbican/latest/admin/access_control.html
+  - observer
+
+# Dict of quotas to set for projects with unlimited resource quotas
+openstack_unlimited_quotas:
+  backup_gigabytes: -1
+  backups: -1
+  cores: -1
+  fixed_ips: -1
+  floatingip: -1
+  gigabytes: -1
+  injected_file_size: -1
+  injected_files: -1
+  instances: -1
+  key_pairs: -1
+  per_volume_gigabytes: -1
+  ram: -1
+  security_group: -1
+  security_group_rule: -1
+  snapshots: -1
+  volumes: -1