Hello,
You can use the command line that is documented here:
http://docs.couchbase.com/couchbase-manual-2.2/#command-line-interface-for-administration
You can then integrate this in any administration tool, I have for example written some scripts for Ansible.
- https://github.com/tgrall/couchbase-ansible-playbook
- and blog post/video : http://blog.couchbase.com/create-couchbase-cluster-with-ansible
Regards
Tug
@tgrall