Use code-generator v1.29.1 for code-generation (#2908)

Signed-off-by: Sanket Sudake <sanketsudake@gmail.com>

hack/update-codegen.sh

@@ -3,17 +3,27 @@ set -o errexit
 set -o nounset
 set -o pipefail
 
-if [ ! -d "../code-generator" ]; then
-	echo "Please get code-generator from fission org"
-	exit 1
-fi
-
+GOPATH=$(go env GOPATH)
 SCRIPT_ROOT=$(dirname "${BASH_SOURCE[0]}")/..
-CODEGEN_PKG=${CODEGEN_PKG:-$(cd "${SCRIPT_ROOT}"; ls -d -1 ./vendor/k8s.io/code-generator 2>/dev/null || echo ../code-generator)}
+CODEGEN_PKG=${CODEGEN_PKG:-$(
+	cd "${SCRIPT_ROOT}"
+	ls -d -1 ${SCRIPT_ROOT}/../code-generator 2>/dev/null || echo $GOPATH/pkg/mod/k8s.io/code-generator@v0.29.1
+)}
+OUTDIR="${HOME}/go/src"
 
-bash "${CODEGEN_PKG}"/generate-groups.sh "client,informer,lister" \
-	github.com/fission/fission/pkg/generated \
-	github.com/fission/fission/pkg/apis \
-	"core:v1" \
-	--output-base "$(dirname "${BASH_SOURCE[0]}")/../../../.." \
-	--go-header-file "$(dirname "${BASH_SOURCE[0]}")/boilerplate.txt"
+echo "Generating code under ${OUTDIR} using ${CODEGEN_PKG} ..."
+
+source "${CODEGEN_PKG}/kube_codegen.sh"
+
+# kube::codegen::gen_helpers \
+#     --input-pkg-root github.com/fission/fission/pkg/apis \
+#     --output-base "${OUTDIR}" \
+#     --boilerplate "${SCRIPT_ROOT}/hack/boilerplate.txt"
+
+kube::codegen::gen_client \
+	--with-watch \
+	--with-applyconfig \
+	--input-pkg-root github.com/fission/fission/pkg/apis \
+	--output-pkg-root github.com/fission/fission/pkg/generated \
+	--output-base "${OUTDIR}" \
+	--boilerplate "${SCRIPT_ROOT}/hack/boilerplate.txt"