CI: test interface names with dashes

Interface names with dashes can cause problems in Ansible since dashes
are replaced with underscores when referencing facts.

Change-Id: Ib15f81120d353ebcf8965dc0aaba90f3a9b0ec44
Related-Bug: #1927357

roles/cephadm/templates/cephadm.yml.j2

@@ -2,8 +2,8 @@
 ---
 service_type: host
 hostname: {{ hostvars[host]['ansible_hostname'] }}
-addr: {{ hostvars[host]['ansible_vxlan0']['ipv4']['address'] }}
+addr: {{ hostvars[host]['ansible_vxlan_0']['ipv4']['address'] }}
-labels: 
+labels:
 - _admin
 - mon
 - mgr

tests/templates/neutron-server-overrides.j2

@@ -1,2 +1,2 @@
 [DEFAULT]
-global_physnet_mtu={{ ansible_vxlan0.mtu }}
+global_physnet_mtu={{ ansible_vxlan_1.mtu }}

zuul.d/base.yaml

@@ -18,7 +18,8 @@
       ansible_version_slurp: "==7.*"
       ansible_version_min: "==8.*"
       ansible_version_max: "==9.*"
-      api_interface_name: vxlan0
+      # NOTE(mgoddard): Test the use of interface names with dashes.
+      api_interface_name: "vxlan-0"
       api_network_prefix: "192.0.2."
       api_network_prefix_length: "24"
       configure_swap_size: 0
@@ -27,11 +28,11 @@
       is_slurp: false
       kolla_internal_vip_address: "192.0.2.10"
       le_enabled: false
-      neutron_external_bridge_name: br0
+      neutron_external_bridge_name: br-0
       neutron_external_interface_name: "veth-{{ neutron_external_bridge_name }}-ext"
       neutron_external_network_prefix: "198.51.100."
       neutron_external_network_prefix_length: "24"
-      neutron_external_vxlan_interface_name: vxlan1
+      neutron_external_vxlan_interface_name: "vxlan-1"
       neutron_tenant_network_dns_server: "8.8.8.8"
       neutron_tenant_network_prefix: "203.0.113."
       neutron_tenant_network_prefix_length: "24"