refactor code structure (#1738)

pkg/kapis/terminal/v1alpha2/handler.go

@@ -0,0 +1,43 @@
+package v1alpha2
+
+import (
+    "github.com/emicklei/go-restful"
+    "github.com/gorilla/websocket"
+    "k8s.io/client-go/kubernetes"
+    "k8s.io/client-go/rest"
+    "k8s.io/klog"
+    "kubesphere.io/kubesphere/pkg/models/terminal"
+    "net/http"
+)
+
+var upgrader = websocket.Upgrader{
+    ReadBufferSize:  1024,
+    WriteBufferSize: 1024,
+    // Allow connections from any Origin
+    CheckOrigin: func(r *http.Request) bool { return true },
+}
+
+type terminalHandler struct {
+    terminaler terminal.Interface
+}
+
+func newTerminalHandler(client kubernetes.Interface, config *rest.Config) *terminalHandler {
+    return &terminalHandler{
+        terminaler: terminal.NewTerminaler(client, config),
+    }
+}
+
+func (t *terminalHandler) handleTerminalSession(request *restful.Request, response *restful.Response) {
+    namespace := request.PathParameter("namespace")
+    podName := request.PathParameter("pod")
+    containerName := request.QueryParameter("container")
+    shell := request.QueryParameter("shell")
+
+    conn, err := upgrader.Upgrade(response.ResponseWriter, request.Request, nil)
+    if err != nil {
+        klog.Warning(err)
+        return
+    }
+
+    t.terminaler.HandleSession(shell, namespace, podName, containerName, conn)
+}