rgw optional keystone pass

gistfile1.erb

[client.radosgw.gateway]
    keyring = /var/lib/ceph/radosgw/$cluster-$id/keyring
    log file = /var/log/ceph/radosgw.log
    rgw enable ops log = false
    rgw enable usage log = false
    debug rgw = 0/0
<% if config_defined?('keystone-admin-token') %>
    rgw keystone url = <%=node['bcpc']['management']['vip']%>:35358
    rgw keystone admin token = <%=get_config('keystone-admin-token')%>
    rgw keystone accepted roles = admin Member _member_
    rgw keystone token cache size = 1000
    rgw keystone revocation interval = 1200
    rgw s3 auth use keystone = true
<% end %>
    rgw dns name = s3.<%=node['bcpc']['domain_name'] %>