Make update-codegen swagger work on gengo/v2

hack/lib/util.sh

@@ -322,14 +322,14 @@ kube::util::group-version-to-pkg-path() {
     # Change "foo.bar.k8s.io/v1" -> "foo/v1" notation.
     local simple_gv="${group_version/.*k8s.io/}"
     if [[ "${api}" = "${simple_gv}" ]]; then
-      echo "vendor/k8s.io/api/${simple_gv}"
+      echo "staging/src/k8s.io/api/${simple_gv}"
       return
     fi
   done
 
   # "v1" is the API GroupVersion
   if [[ "${group_version}" == "v1" ]]; then
-    echo "vendor/k8s.io/api/core/v1"
+    echo "staging/src/k8s.io/api/core/v1"
     return
   fi
 
@@ -342,13 +342,13 @@ kube::util::group-version-to-pkg-path() {
       echo "pkg/apis/core"
       ;;
     meta/v1)
-      echo "vendor/k8s.io/apimachinery/pkg/apis/meta/v1"
+      echo "staging/src/k8s.io/apimachinery/pkg/apis/meta/v1"
       ;;
     meta/v1beta1)
-      echo "vendor/k8s.io/apimachinery/pkg/apis/meta/v1beta1"
+      echo "staging/src/k8s.io/apimachinery/pkg/apis/meta/v1beta1"
       ;;
     internal.apiserver.k8s.io/v1alpha1)
-      echo "vendor/k8s.io/api/apiserverinternal/v1alpha1"
+      echo "staging/src/k8s.io/api/apiserverinternal/v1alpha1"
       ;;
     *.k8s.io)
       echo "pkg/apis/${group_version%.*k8s.io}"

hack/update-codegen.sh

@@ -247,7 +247,7 @@ EOF
 # first in the case of regenerating everything.
 function codegen::swagger() {
     # Build the tool
-    GO111MODULE=on GOPROXY=off go install \
+    GOPROXY=off go install \
         ./cmd/genswaggertypedocs
 
     local group_versions=()