Add DnsServers param to network config templates

This patch adds a new optional DnsServers parameter
which can be used to provide a custom list of DNS
resolvers which will be configured in resolv.conf.

Change-Id: I2bb7259ebc09d786dc56da18694c862f802091b1
Depends-On: I9edecfdd4e1d0f39883b72be554cd92c5685881d

net-config-static-bridge.yaml

@@ -36,6 +36,10 @@ parameters:
   ControlPlaneDefaultRoute: # Override this via parameter_defaults
     description: The default route of the control plane network.
     type: string
+  DnsServers: # Override this via parameter_defaults
+    default: []
+    description: A list of DNS servers (2 max for some implementations) that will be added to resolv.conf.
+    type: comma_delimited_list
   EC2MetadataIp: # Override this via parameter_defaults
     description: The IP address of the EC2 metadata server.
     type: string
@@ -52,6 +56,7 @@ resources:
               type: ovs_bridge
               name: {get_input: bridge_name}
               use_dhcp: false
+              dns_servers: {get_param: DnsServers}
               addresses:
                 -
                   ip_netmask:

network/config/bond-with-vlans/ceph-storage.yaml

@@ -49,6 +49,10 @@ parameters:
   ControlPlaneDefaultRoute: # Override this via parameter_defaults
     description: The default route of the control plane network.
     type: string
+  DnsServers: # Override this via parameter_defaults
+    default: []
+    description: A list of DNS servers (2 max for some implementations) that will be added to resolv.conf.
+    type: comma_delimited_list
   EC2MetadataIp: # Override this via parameter_defaults
     description: The IP address of the EC2 metadata server.
     type: string
@@ -65,6 +69,7 @@ resources:
               type: interface
               name: nic1
               use_dhcp: false
+              dns_servers: {get_param: DnsServers}
               addresses:
                 -
                   ip_netmask:

network/config/bond-with-vlans/cinder-storage.yaml

@@ -53,6 +53,10 @@ parameters:
   ControlPlaneDefaultRoute: # Override this via parameter_defaults
     description: The default route of the control plane network.
     type: string
+  DnsServers: # Override this via parameter_defaults
+    default: []
+    description: A list of DNS servers (2 max for some implementations) that will be added to resolv.conf.
+    type: comma_delimited_list
   EC2MetadataIp: # Override this via parameter_defaults
     description: The IP address of the EC2 metadata server.
     type: string
@@ -69,6 +73,7 @@ resources:
               type: interface
               name: nic1
               use_dhcp: false
+              dns_servers: {get_param: DnsServers}
               addresses:
                 -
                   ip_netmask:

network/config/bond-with-vlans/compute.yaml

@@ -53,6 +53,10 @@ parameters:
   ControlPlaneDefaultRoute: # Override this via parameter_defaults
     description: The default route of the control plane network.
     type: string
+  DnsServers: # Override this via parameter_defaults
+    default: []
+    description: A list of DNS servers (2 max for some implementations) that will be added to resolv.conf.
+    type: comma_delimited_list
   EC2MetadataIp: # Override this via parameter_defaults
     description: The IP address of the EC2 metadata server.
     type: string
@@ -69,6 +73,7 @@ resources:
               type: interface
               name: nic1
               use_dhcp: false
+              dns_servers: {get_param: DnsServers}
               addresses:
                 -
                   ip_netmask:

network/config/bond-with-vlans/controller.yaml

@@ -63,6 +63,10 @@ parameters:
     default: '24'
     description: The subnet CIDR of the control plane network.
     type: string
+  DnsServers: # Override this via parameter_defaults
+    default: []
+    description: A list of DNS servers (2 max for some implementations) that will be added to resolv.conf.
+    type: comma_delimited_list
   EC2MetadataIp: # Override this via parameter_defaults
     description: The IP address of the EC2 metadata server.
     type: string
@@ -93,6 +97,7 @@ resources:
             -
               type: ovs_bridge
               name: {get_input: bridge_name}
+              dns_servers: {get_param: DnsServers}
               members:
                 -
                   type: ovs_bond

network/config/bond-with-vlans/swift-storage.yaml

@@ -53,6 +53,10 @@ parameters:
   ControlPlaneDefaultRoute: # Override this via parameter_defaults
     description: The default route of the control plane network.
     type: string
+  DnsServers: # Override this via parameter_defaults
+    default: []
+    description: A list of DNS servers (2 max for some implementations) that will be added to resolv.conf.
+    type: comma_delimited_list
   EC2MetadataIp: # Override this via parameter_defaults
     description: The IP address of the EC2 metadata server.
     type: string
@@ -69,6 +73,7 @@ resources:
               type: interface
               name: nic1
               use_dhcp: false
+              dns_servers: {get_param: DnsServers}
               addresses:
                 -
                   ip_netmask:

network/config/single-nic-vlans/ceph-storage.yaml

@@ -44,6 +44,10 @@ parameters:
   ControlPlaneDefaultRoute: # Override this via parameter_defaults
     description: The default route of the control plane network.
     type: string
+  DnsServers: # Override this via parameter_defaults
+    default: []
+    description: A list of DNS servers (2 max for some implementations) that will be added to resolv.conf.
+    type: comma_delimited_list
   EC2MetadataIp: # Override this via parameter_defaults
     description: The IP address of the EC2 metadata server.
     type: string
@@ -60,6 +64,7 @@ resources:
               type: ovs_bridge
               name: br-storage
               use_dhcp: false
+              dns_servers: {get_param: DnsServers}
               addresses:
                 -
                   ip_netmask:

network/config/single-nic-vlans/cinder-storage.yaml

@@ -48,6 +48,10 @@ parameters:
   ControlPlaneDefaultRoute: # Override this via parameter_defaults
     description: The default route of the control plane network.
     type: string
+  DnsServers: # Override this via parameter_defaults
+    default: []
+    description: A list of DNS servers (2 max for some implementations) that will be added to resolv.conf.
+    type: comma_delimited_list
   EC2MetadataIp: # Override this via parameter_defaults
     description: The IP address of the EC2 metadata server.
     type: string
@@ -64,6 +68,7 @@ resources:
               type: ovs_bridge
               name: br-storage
               use_dhcp: false
+              dns_servers: {get_param: DnsServers}
               addresses:
                 -
                   ip_netmask:

network/config/single-nic-vlans/compute.yaml

@@ -48,6 +48,10 @@ parameters:
   ControlPlaneDefaultRoute: # Override this via parameter_defaults
     description: The default route of the control plane network.
     type: string
+  DnsServers: # Override this via parameter_defaults
+    default: []
+    description: A list of DNS servers (2 max for some implementations) that will be added to resolv.conf.
+    type: comma_delimited_list
   EC2MetadataIp: # Override this via parameter_defaults
     description: The IP address of the EC2 metadata server.
     type: string
@@ -64,6 +68,7 @@ resources:
               type: ovs_bridge
               name: {get_input: bridge_name}
               use_dhcp: false
+              dns_servers: {get_param: DnsServers}
               addresses:
                 -
                   ip_netmask:

network/config/single-nic-vlans/controller.yaml

@@ -57,6 +57,10 @@ parameters:
     default: '24'
     description: The subnet CIDR of the control plane network.
     type: string
+  DnsServers: # Override this via parameter_defaults
+    default: []
+    description: A list of DNS servers (2 max for some implementations) that will be added to resolv.conf.
+    type: comma_delimited_list
   EC2MetadataIp: # Override this via parameter_defaults
     description: The IP address of the EC2 metadata server.
     type: string
@@ -73,6 +77,7 @@ resources:
               type: ovs_bridge
               name: {get_input: bridge_name}
               use_dhcp: false
+              dns_servers: {get_param: DnsServers}
               addresses:
                 -
                   ip_netmask:

network/config/single-nic-vlans/swift-storage.yaml

@@ -48,6 +48,10 @@ parameters:
   ControlPlaneDefaultRoute: # Override this via parameter_defaults
     description: The default route of the control plane network.
     type: string
+  DnsServers: # Override this via parameter_defaults
+    default: []
+    description: A list of DNS servers (2 max for some implementations) that will be added to resolv.conf.
+    type: comma_delimited_list
   EC2MetadataIp: # Override this via parameter_defaults
     description: The IP address of the EC2 metadata server.
     type: string
@@ -64,6 +68,7 @@ resources:
               type: ovs_bridge
               name: br-storage
               use_dhcp: false
+              dns_servers: {get_param: DnsServers}
               addresses:
                 -
                   ip_netmask: