[make][pre-commit]Check CRD schema to avoid update issues

.pre-commit-config.yaml

@@ -25,6 +25,12 @@ repos:
       entry: make
       args: ['docs']
       pass_filenames: false
+    - id: make-crd-schema-check
+      name: make-crd-schema-check
+      language: system
+      entry: make
+      args: ['crd-schema-check']
+      pass_filenames: false
 
 - repo: https://github.com/dnephin/pre-commit-golang
   rev: v0.5.1

Makefile

@@ -429,3 +429,12 @@ run-with-webhook: manifests generate fmt vet ## Run a controller from your host.
 ginkgo: $(GINKGO) ## Download ginkgo locally if necessary.
 $(GINKGO): $(LOCALBIN)
 	test -s $(LOCALBIN)/ginkgo || GOBIN=$(LOCALBIN) go install github.com/onsi/ginkgo/v2/ginkgo
+
+CRD_SCHEMA_CHECKER_VERSION ?= release-4.16
+
+BRANCH=main
+
+PHONY: crd-schema-check
+crd-schema-check: manifests
+	INSTALL_DIR=$(LOCALBIN) CRD_SCHEMA_CHECKER_VERSION=$(CRD_SCHEMA_CHECKER_VERSION) hack/build-crd-schema-checker.sh
+	INSTALL_DIR=$(LOCALBIN) BASE_REF="$${PULL_BASE_SHA:-$(BRANCH)}" hack/crd-schema-checker.sh

hack/build-crd-schema-checker.sh

@@ -0,0 +1,15 @@
+#!/bin/bash
+set -euxo pipefail
+
+if [ -f "$INSTALL_DIR/crd-schema-checker" ]; then
+    exit 0
+fi
+
+mkdir -p "$INSTALL_DIR/git-tmp"
+git clone https://github.com/openshift/crd-schema-checker.git \
+    -b "$CRD_SCHEMA_CHECKER_VERSION" "$INSTALL_DIR/git-tmp"
+pushd "$INSTALL_DIR/git-tmp"
+GOWORK=off make
+cp crd-schema-checker "$INSTALL_DIR/"
+popd
+rm -rf "$INSTALL_DIR/git-tmp"

hack/crd-schema-checker.sh

@@ -0,0 +1,21 @@
+#!/bin/bash
+set -euxo pipefail
+
+CHECKER=$INSTALL_DIR/crd-schema-checker
+
+TMP_DIR=$(mktemp -d)
+
+function cleanup {
+    rm -rf "$TMP_DIR"
+}
+
+trap cleanup EXIT
+
+
+for crd in config/crd/bases/*.yaml; do
+    mkdir -p "$(dirname "$TMP_DIR/$crd")"
+    git show "$BASE_REF:$crd" > "$TMP_DIR/$crd"
+    $CHECKER check-manifests \
+        --existing-crd-filename="$TMP_DIR/$crd" \
+        --new-crd-filename="$crd"
+done