Fix interpolation of reclass param in bm labs

Change-Id: I9eff41441ccd93e31244037d4e6b807cfe0ad842
diff --git a/tcp_tests/templates/cookied-model-generator/salt_cookied-bm-mcp-ocata-contrail.yaml b/tcp_tests/templates/cookied-model-generator/salt_cookied-bm-mcp-ocata-contrail.yaml
index 6cbffdd..62da3ec 100644
--- a/tcp_tests/templates/cookied-model-generator/salt_cookied-bm-mcp-ocata-contrail.yaml
+++ b/tcp_tests/templates/cookied-model-generator/salt_cookied-bm-mcp-ocata-contrail.yaml
@@ -36,8 +36,8 @@
     # Add openstack_compute_node definition from system
     reclass-tools add-key 'classes' 'system.reclass.storage.system.openstack_compute_multi' /srv/salt/reclass/classes/cluster/{{ SHARED.CLUSTER_NAME }}/infra/config.yml --merge;
     # Workaround for compute nodes addresses
-    reclass-tools add-key parameters._param.openstack_compute_node01_address ${_param:openstack_compute_rack01_single_subnet}.105 /srv/salt/reclass/classes/cluster/{{ SHARED.CLUSTER_NAME }}/infra/config.yml;
-    reclass-tools add-key parameters._param.openstack_compute_node02_address ${_param:openstack_compute_rack01_single_subnet}.106 /srv/salt/reclass/classes/cluster/{{ SHARED.CLUSTER_NAME }}/infra/config.yml;
+    reclass-tools add-key parameters._param.openstack_compute_node01_address '${_param:openstack_compute_rack01_single_subnet}'.105 /srv/salt/reclass/classes/cluster/{{ SHARED.CLUSTER_NAME }}/infra/config.yml;
+    reclass-tools add-key parameters._param.openstack_compute_node02_address '${_param:openstack_compute_rack01_single_subnet}'.106 /srv/salt/reclass/classes/cluster/{{ SHARED.CLUSTER_NAME }}/infra/config.yml;
   node_name: {{ HOSTNAME_CFG01 }}
   retry: {count: 1, delay: 10}
   skip_fail: false