Cleanup contrail kolla cluster using ansible - ganeshahv/Contrail_SRE GitHub Wiki
This should work for cleanup from within the contrail-command container
cd /usr/share/contrail/contrail-kolla-ansible/ansible; 
ansible-playbook -i inventory/my_inventory -e ../etc/kolla/globals.yml -e ../etc/kolla/passwords.yml destroy.yml
cd /usr/share/contrail/contrail-ansible-deployer; 
ansible-playbook -i inventory/ -e config_file=/var/tmp/contrail_cluster/<cluster_id>/instances.yml -e orchestrator=openstack -e ansible_sudo_pass=contrail playbooks/contrail_destroy.yml