Don't store Neutron DB credentials on compute node

This patch removes all references to the Neutron DSN parameter
in the overcloud compute templates. These credentials
are not required in order to run the required Neutron
services.

Change-Id: I0691f43bd2ce85bec0d68ab979136414f0610c61

compute.yaml

@@ -114,8 +114,6 @@ parameters:
       scripts or be sure to keep 'datacentre' as a mapping network name.
     type: string
     default: ""
-  NeutronDSN:
-    type: string
   NeutronEnableTunnelling:
     type: string
     default: "True"
@@ -273,7 +271,6 @@ resources:
         keystone_host: {get_param: KeystoneHost}
         neutron_flat_networks: {get_param: NeutronFlatNetworks}
         neutron_host: {get_param: NeutronHost}
-        neutron_dsn: {get_param: NeutronDSN}
         neutron_local_ip: {get_attr: [NovaCompute, networks, ctlplane, 0]}
         neutron_tenant_network_type: {get_param: NeutronNetworkType}
         neutron_tunnel_types: {get_param: NeutronTunnelTypes}

nova-compute-config.yaml

@@ -35,7 +35,6 @@ resources:
           host: {get_input: neutron_host}
           router_distributed: {get_input: neutron_router_distributed}
           agent_mode: {get_input: neutron_agent_mode}
-          ovs_db: {get_input: neutron_dsn}
           metadata_proxy_shared_secret: {get_input: neutron_metadata_proxy_shared_secret}
           mechanism_drivers: {get_input: neutron_mechanism_drivers}
           allow_automatic_l3agent_failover: {get_input: neutron_allow_l3agent_failover}

nova-compute-instance.yaml

@@ -93,8 +93,6 @@ parameters:
     type: string
   NeutronBridgeMappings:
     type: string
-  NeutronDSN:
-    type: string
   NeutronEnableTunnelling:
     type: string
   NeutronFlatNetworks:
@@ -223,7 +221,6 @@ resources:
         keystone_host: {get_param: KeystoneHost}
         neutron_flat_networks: {get_param: NeutronFlatNetworks}
         neutron_host: {get_param: NeutronHost}
-        neutron_dsn: {get_param: NeutronDSN}
         neutron_local_ip: {get_attr: [NovaCompute0, networks, ctlplane, 0]}
         neutron_tenant_network_type: {get_param: NeutronNetworkType}
         neutron_tunnel_types: {get_param: NeutronTunnelTypes}

overcloud-source.yaml

@@ -427,12 +427,6 @@ resources:
             - - mysql://ceilometer:unset@
               - &compute_database_host {get_attr: [ControlVirtualIP, fixed_ips, 0, ip_address]}
               - /ceilometer
-        NeutronDSN:
-          Fn::Join:
-            - ''
-            - - mysql://neutron:unset@
-              - *compute_database_host
-              - /ovs_neutron
         NeutronNetworkType:
             get_param: NeutronNetworkType
         NeutronTunnelTypes:

overcloud-without-mergepy.yaml

@@ -583,12 +583,6 @@ resources:
               - - mysql://ceilometer:unset@
                 - &compute_database_host {get_attr: [ControlVirtualIP, fixed_ips, 0, ip_address]}
                 - /ceilometer
-          NeutronDSN:
-            list_join:
-              - ''
-              - - mysql://neutron:unset@
-                - *compute_database_host
-                - /ovs_neutron
 
   BlockStorage:
     type: OS::Heat::ResourceGroup