Import net-config-simple-bridge.yaml from tropleo-ci repo

This file has been used for the containerized undercloud so we can
deploy a simple bridge with os-net-config.

We're moving the environments used for CI into THT, so we can branch
them. This is part of this effort.

Change-Id: I4255120e12123568a388c75956e6e8d32dec66aa

ci/common/net-config-simple-bridge.yaml

@@ -0,0 +1,65 @@
+heat_template_version: queens
+description: >
+  Software Config to drive os-net-config for a simple bridge.
+parameters:
+  ControlPlaneIp:
+    default: ''
+    description: IP address/subnet on the ctlplane network
+    type: string
+  ControlPlaneSubnetCidr: # Override this via parameter_defaults
+    default: '24'
+    description: The subnet CIDR of the control plane network.
+    type: string
+  ExternalIpSubnet:
+    default: ''
+    description: IP address/subnet on the external network
+    type: string
+  InternalApiIpSubnet:
+    default: ''
+    description: IP address/subnet on the internal_api network
+    type: string
+  StorageIpSubnet:
+    default: ''
+    description: IP address/subnet on the storage network
+    type: string
+  StorageMgmtIpSubnet:
+    default: ''
+    description: IP address/subnet on the storage_mgmt network
+    type: string
+  TenantIpSubnet:
+    default: ''
+    description: IP address/subnet on the tenant network
+    type: string
+  ManagementIpSubnet:
+    default: ''
+    description: IP address/subnet on the management network
+    type: string
+resources:
+  OsNetConfigImpl:
+    type: OS::Heat::SoftwareConfig
+    properties:
+      group: script
+      config:
+        str_replace:
+          template:
+            get_file: /usr/share/openstack-tripleo-heat-templates/network/scripts/run-os-net-config.sh
+          params:
+            $network_config:
+              network_config:
+              - type: ovs_bridge
+                name: br-ctlplane
+                use_dhcp: false
+                ovs_extra:
+                  - "br-set-external-id br-ctlplane bridge-id br-ctlplane"
+                addresses:
+                - ip_netmask:
+                    list_join:
+                    - /
+                    - - get_param: ControlPlaneIp
+                      - get_param: ControlPlaneSubnetCidr
+
+outputs:
+  OS::stack_id:
+    description: The OsNetConfigImpl resource.
+    value:
+      get_resource: OsNetConfigImpl