'Returns a tuple with instances of the following admin clients
(in this order):
identity
network'

def _get_admin_clients(self, endpoint_type):

    os = clients.ServiceClients(self.default_admin_creds, self.identity_uri)
    params = {'endpoint_type': endpoint_type}
    if (self.identity_version == 'v2'):
        return (os.identity_v2.IdentityClient(**params), os.identity_v2.TenantsClient(**params), os.identity_v2.UsersClient(**params), os.identity_v2.RolesClient(**params), None, os.network.NetworksClient(), os.network.RoutersClient(), os.network.SubnetsClient(), os.network.PortsClient(), os.network.SecurityGroupsClient())
    else:
        scope = ('domain' if self.identity_admin_domain_scope else 'project')
        identity_os = clients.ServiceClients(self.default_admin_creds, self.identity_uri, scope=scope)
        return (identity_os.identity_v3.IdentityClient(**params), identity_os.identity_v3.ProjectsClient(**params), identity_os.identity_v3.UsersClient(**params), identity_os.identity_v3.RolesClient(**params), identity_os.identity_v3.DomainsClient(**params), os.network.NetworksClient(), os.network.RoutersClient(), os.network.SubnetsClient(), os.network.PortsClient(), os.network.SecurityGroupsClient())
