feat: godoxy agent

agent/pkg/handler/docker_socket.go

@@ -0,0 +1,31 @@
+package handler
+
+import (
+	"net/http"
+	"net/url"
+
+	"github.com/docker/docker/client"
+	"github.com/yusing/go-proxy/internal/common"
+	"github.com/yusing/go-proxy/internal/docker"
+	"github.com/yusing/go-proxy/internal/logging"
+	"github.com/yusing/go-proxy/internal/net/gphttp/reverseproxy"
+	"github.com/yusing/go-proxy/internal/net/types"
+)
+
+func serviceUnavailable(w http.ResponseWriter, r *http.Request) {
+	http.Error(w, "docker socket is not available", http.StatusServiceUnavailable)
+}
+
+func DockerSocketHandler() http.HandlerFunc {
+	dockerClient, err := docker.NewClient(common.DockerHostFromEnv)
+	if err != nil {
+		logging.Warn().Err(err).Msg("failed to connect to docker client")
+		return serviceUnavailable
+	}
+	rp := reverseproxy.NewReverseProxy("docker", types.NewURL(&url.URL{
+		Scheme: "http",
+		Host:   client.DummyHost,
+	}), dockerClient.HTTPClient().Transport)
+
+	return rp.ServeHTTP
+}