List only sites in the domain_sites() to ensure we co-exist with other projects

def _ls_sites(path):
    """
    List only sites in the domain_sites() to ensure we co-exist with other projects
    """
    with cd(path):
        sites = run('ls').split('\n')
        doms =  [d.name for d in domain_sites()]
        dom_sites = []
        for s in sites:
            ds = s.split('-')[0]
            ds = ds.replace('_','.')
            if ds in doms and s not in dom_sites:
                dom_sites.append(s)
    return dom_sites