Place nic-configs in the t-h-t path

See https://bugs.launchpad.net/heat-templates/+bug/1650625.
using the full path in the templates does not seem
workable as the temmplates path is configurable.
Moving the custom nic-configs to the t-h-t dir
so that the relative script path resolves.

Change-Id: I70867ee90313ea4a8a1c5da312ad0fed3144d58c

roles/extras-common/defaults/main.yml

@@ -1,3 +1,4 @@
 overcloud_ipv6: false
 containerized_overcloud: false
+overcloud_templates_path: /usr/share/openstack-tripleo-heat-templates
 

roles/overcloud-prep-config/meta/main.yml

@@ -0,0 +1,2 @@
+dependencies:
+  - extras-common

roles/overcloud-prep-config/templates/bond-with-vlans-copy-nic-configs.sh.j2

@@ -12,15 +12,16 @@ set -eux
 ## * Copy the yaml file from the standard template files directory
 ## ::
 
-mkdir -p {{ working_dir }}/nic-configs
-ORIGIN_TEMPLATES_DIR=/usr/share/openstack-tripleo-heat-templates/network/config/bond-with-vlans
-cp $ORIGIN_TEMPLATES_DIR/*.yaml {{ working_dir }}/nic-configs/
+ORIGIN_TEMPLATES_DIR={{ overcloud_templates_path }}/network/config/bond-with-vlans
+CUSTOM_TEMPLATES_DIR={{ overcloud_templates_path }}/network/config/custom-bond-with-vlans
+sudo mkdir -p $CUSTOM_TEMPLATES_DIR
+sudo cp $ORIGIN_TEMPLATES_DIR/*.yaml $CUSTOM_TEMPLATES_DIR/
 
 ## * Modify the yaml files to use Linux bonds
 ## ::
 
-grep -rl 'type: ovs_bond' {{ working_dir }}/nic-configs/ | xargs sed -i 's/type: ovs_bond/type: linux_bond/g'
-grep -rl 'ovs_options' {{ working_dir }}/nic-configs/ | xargs sed -i 's/ovs_options/bonding_options/g'
+sudo grep -rl 'type: ovs_bond' $CUSTOM_TEMPLATES_DIR/ | xargs sudo sed -i 's/type: ovs_bond/type: linux_bond/g'
+sudo grep -rl 'ovs_options' $CUSTOM_TEMPLATES_DIR/ | xargs sudo sed -i 's/ovs_options/bonding_options/g'
 
 ### --stop_docs