heat_context.py 文件源码

def __call__(self):
        ctxt = super(HeatIdentityServiceContext, self).__call__()
        if not ctxt:
            return

        # the ec2 api needs to know the location of the keystone ec2
        # tokens endpoint, set in nova.conf
        ec2_tokens = generate_ec2_tokens(ctxt['service_protocol'] or 'http',
                                         ctxt['service_host'],
                                         ctxt['service_port'])
        ctxt['keystone_ec2_url'] = ec2_tokens
        ctxt['region'] = config('region')
        return ctxt