Function AddCacheTTLHeader

api/http_client.go:143–151

AddCacheTTLHeader adds a header to the request telling the cache that the request should be cached for a specified amount of time.

(rt http.RoundTripper, ttl time.Duration)

// AddCacheTTLHeader adds a header to the request telling the cache that the request
// should be cached for a specified amount of time.
func AddCacheTTLHeader(rt http.RoundTripper, ttl time.Duration) http.RoundTripper {
	return &funcTripper{roundTrip: func(req *http.Request) (*http.Response, error) {
		// If the header is already set in the request, don't overwrite it.
		if req.Header.Get(cacheTTL) == "" {
			req.Header.Set(cacheTTL, ttl.String())
		}
		return rt.RoundTrip(req)
	}}
}

// AddAuthTokenHeader adds an authentication token header for the host specified by the request.
func AddAuthTokenHeader(rt http.RoundTripper, cfg config) http.RoundTripper {