Use virtualenv for reclass-tools

virtualenv /root/venv-reclass-tools

Change-Id: Ie1a95ec99fa999d79fcb9594090417cb90f5e5f6
diff --git a/tcp_tests/templates/cookied-bm-mcp-dvr-vxlan/salt.yaml b/tcp_tests/templates/cookied-bm-mcp-dvr-vxlan/salt.yaml
index 4af4303..722816c 100644
--- a/tcp_tests/templates/cookied-bm-mcp-dvr-vxlan/salt.yaml
+++ b/tcp_tests/templates/cookied-bm-mcp-dvr-vxlan/salt.yaml
@@ -37,6 +37,7 @@
   cmd: |
     set -e;
     # Remove rack01 key
+    . /root/venv-reclass-tools/bin/activate;
     reclass-tools del-key parameters.reclass.storage.node.openstack_compute_rack01 /srv/salt/reclass/classes/cluster/{{ LAB_CONFIG_NAME }}/infra/config.yml;
 
     # Add openstack_compute_node definition from system