Function NewProxyBackend

tools/querytee/proxy_backend.go:30–52

NewProxyBackend makes a new ProxyBackend

(name string, endpoint *url.URL, timeout time.Duration, preferred bool)

// NewProxyBackend makes a new ProxyBackend
func NewProxyBackend(name string, endpoint *url.URL, timeout time.Duration, preferred bool) *ProxyBackend {
	return &ProxyBackend{
		name:      name,
		endpoint:  endpoint,
		timeout:   timeout,
		preferred: preferred,
		client: &http.Client{
			CheckRedirect: func(_ *http.Request, _ []*http.Request) error {
				return errors.New("the query-tee proxy does not follow redirects")
			},
			Transport: &http.Transport{
				Proxy: http.ProxyFromEnvironment,
				DialContext: (&net.Dialer{
					Timeout:   30 * time.Second,
					KeepAlive: 30 * time.Second,
				}).DialContext,
				MaxIdleConns:        100,
				MaxIdleConnsPerHost: 100, // see https://github.com/golang/go/issues/13801
				IdleConnTimeout:     90 * time.Second,
			},
		},
	}
}

func (b *ProxyBackend) ForwardRequest(orig *http.Request) (int, []byte, error) {
	req, err := b.createBackendRequest(orig)