// https://www.envoyproxy.io/docs/envoy/latest/configuration/http/http_filters/router_filter.html#x-envoy-retry-on
		"5xx",
		"gateway-error",
		"reset",
		"connect-failure",
		"retriable-4xx",
		"refused-stream",
		"retriable-status-codes",
		"retriable-headers",
		"envoy-ratelimited",
		"http3-post-connect-failure",

		// 'x-envoy-retry-grpc-on' supported policies:

			}
		}
		// We don't expect any of the errors after this point to occur due
		// to rstAvoidanceDelay being too short, so we use t.Errorf for those
		// instead of returning a (retriable) error.

		if handlerN > maxSize {
			t.Errorf("expected max request body %d; got %d", maxSize, handlerN)
		}
		if requestSize > maxSize && handlerErr == nil {

    exit 1
  fi
}

# Reads kube-env metadata from master
#
# Assumed vars:
#   KUBE_MASTER
#   PROJECT
#   ZONE
function get-master-env() {
  # TODO(zmerlynn): Make this more reliable with retries.
  gcloud compute --project "${PROJECT}" ssh --zone "${ZONE}" "${KUBE_MASTER}" --command \
    "curl --fail --silent -H 'Metadata-Flavor: Google' \

	if u, err := urlpkg.Parse(url); err == nil {
		// If url was relative, make its path absolute by
		// combining with request path.
		// The client would probably do this for us,
		// but doing it ourselves is more reliable.
		// See RFC 7231, section 7.1.2
		if u.Scheme == "" && u.Host == "" {
			oldpath := r.URL.Path
			if oldpath == "" { // should not happen, but avoid a crash if it does
				oldpath = "/"
			}