Merge pull request #55403 from sttts/sttts-client-gen-ext-group-list

Automatic merge from submit-queue. If you want to cherry-pick this change to another branch, please follow the instructions <a href="https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md">here</a>.

code-generator: move kube group list out of client-gen

We had a hard-coded group list in the client-gen code for the internal Kubernetes api groups. For the external groups, we collected the actual GVs in update-codegen.sh. This PR does the latter for internal groups as well.

hack/update-codegen.sh

@@ -40,6 +40,7 @@ informergen=$(kube::util::find-binary "informer-gen")
 
 GROUP_VERSIONS=(${KUBE_AVAILABLE_GROUP_VERSIONS})
 GV_DIRS=()
+INTERNAL_DIRS=()
 for gv in "${GROUP_VERSIONS[@]}"; do
 	# add items, but strip off any leading apis/ you find to match command expectations
 	api_dir=$(kube::util::group-version-to-pkg-path "${gv}")
@@ -47,19 +48,30 @@ for gv in "${GROUP_VERSIONS[@]}"; do
 	nopkg_dir=${nopkg_dir#vendor/k8s.io/api/}
 	pkg_dir=${nopkg_dir#apis/}
 
+
 	# skip groups that aren't being served, clients for these don't matter
     if [[ " ${KUBE_NONSERVER_GROUP_VERSIONS} " == *" ${gv} "* ]]; then
       continue
     fi
 
 	GV_DIRS+=("${pkg_dir}")
+
+	# collect internal groups
+	int_group="${pkg_dir%/*}/"
+	if [[ "${pkg_dir}" = core/* ]]; then
+	    int_group="api/"
+	fi
+    if ! [[ " ${INTERNAL_DIRS[@]:-} " =~ " ${int_group} " ]]; then
+        INTERNAL_DIRS+=("${int_group}")
+    fi
 done
 # delimit by commas for the command
 GV_DIRS_CSV=$(IFS=',';echo "${GV_DIRS[*]// /,}";IFS=$)
+INTERNAL_DIRS_CSV=$(IFS=',';echo "${INTERNAL_DIRS[*]// /,}";IFS=$)
 
 # This can be called with one flag, --verify-only, so it works for both the
 # update- and verify- scripts.
-${clientgen} "$@"
+${clientgen} --input-base="k8s.io/kubernetes/pkg/apis" --input="${INTERNAL_DIRS_CSV}" "$@"
 ${clientgen} --output-base "${KUBE_ROOT}/vendor" --clientset-path="k8s.io/client-go" --clientset-name="kubernetes" --input-base="k8s.io/kubernetes/vendor/k8s.io/api" --input="${GV_DIRS_CSV}" "$@"
 
 listergen_internal_apis=(