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Proxy middleware refactor
Signed-off-by: Vishal Rana <vr@labstack.com>
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parent
e827c85dc5
commit
e1e3ebe5a1
@ -50,7 +50,7 @@ func BodyDump(handler BodyDumpHandler) echo.MiddlewareFunc {
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}
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// BodyDumpWithConfig returns a BodyDump middleware with config.
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// See: `BodyConfig()`.
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// See: `BodyDump()`.
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func BodyDumpWithConfig(config BodyDumpConfig) echo.MiddlewareFunc {
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// Defaults
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if config.Handler == nil {
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@ -53,6 +53,13 @@ type (
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}
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)
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var (
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// DefaultProxyConfig is the default Proxy middleware config.
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DefaultProxyConfig = ProxyConfig{
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Skipper: DefaultSkipper,
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}
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)
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func proxyHTTP(t *ProxyTarget) http.Handler {
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return httputil.NewSingleHostReverseProxy(t.URL)
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}
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@ -113,8 +120,18 @@ func (r *RoundRobinBalancer) Next() *ProxyTarget {
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return t
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}
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// Proxy returns an HTTP/WebSocket reverse proxy middleware.
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func Proxy(config ProxyConfig) echo.MiddlewareFunc {
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// Proxy returns a Proxy middleware.
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//
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// Proxy middleware forwards a request to upstream server using a configured load balancing technique.
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func Proxy(balancer ProxyBalancer) echo.MiddlewareFunc {
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c := DefaultProxyConfig
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c.Balancer = balancer
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return ProxyWithConfig(c)
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}
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// ProxyWithConfig returns a Proxy middleware with config.
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// See: `Proxy()`
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func ProxyWithConfig(config ProxyConfig) echo.MiddlewareFunc {
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// Defaults
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if config.Skipper == nil {
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config.Skipper = DefaultLoggerConfig.Skipper
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@ -55,15 +55,13 @@ func TestProxy(t *testing.T) {
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URL: url2,
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},
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}
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config := ProxyConfig{
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Balancer: &RandomBalancer{
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Targets: targets,
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},
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rb := &RandomBalancer{
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Targets: targets,
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}
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// Random
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e := echo.New()
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e.Use(Proxy(config))
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e.Use(Proxy(rb))
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req := httptest.NewRequest(echo.GET, "/", nil)
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rec := newCloseNotifyRecorder()
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e.ServeHTTP(rec, req)
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@ -77,11 +75,11 @@ func TestProxy(t *testing.T) {
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})
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// Round-robin
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config.Balancer = &RoundRobinBalancer{
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rrb := &RoundRobinBalancer{
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Targets: targets,
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}
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e = echo.New()
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e.Use(Proxy(config))
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e.Use(Proxy(rrb))
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rec = newCloseNotifyRecorder()
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e.ServeHTTP(rec, req)
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body = rec.Body.String()
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