Use yq in the kustomize transformer for splitting the CRD documents

Signed-off-by: Alper Rifat Ulucinar <[email protected]>

Makefile

@@ -69,6 +69,7 @@ UP_VERSION = v0.20.0
 UP_CHANNEL = stable
 UPTEST_VERSION = v0.8.0
 KUSTOMIZE_VERSION = v5.3.0
+YQ_VERSION = v4.40.5
 
 export UP_VERSION := $(UP_VERSION)
 export UP_CHANNEL := $(UP_CHANNEL)
@@ -315,13 +316,14 @@ go.mod.cachedir:
 
 build.init: kustomize-crds
 
-kustomize-crds: output.init $(KUSTOMIZE)
+kustomize-crds: output.init $(KUSTOMIZE) $(YQ)
 	@$(INFO) Kustomizing CRDs...
 	@rm -fr $(OUTPUT_DIR)/package || $(FAIL)
 	@cp -R package $(OUTPUT_DIR) && \
 	cd $(OUTPUT_DIR)/package/crds && \
 	kustomize create --autodetect || $(FAIL)
-	@XDG_CONFIG_HOME=$(PWD)/package $(KUSTOMIZE) build --enable-alpha-plugins $(OUTPUT_DIR)/package/kustomize -o $(OUTPUT_DIR)/package/crds.yaml || $(FAIL)
+	@export YQ=$(YQ) && \
+	XDG_CONFIG_HOME=$(PWD)/package $(KUSTOMIZE) build --enable-alpha-plugins $(OUTPUT_DIR)/package/kustomize -o $(OUTPUT_DIR)/package/crds.yaml || $(FAIL)
 	@$(OK) Kustomizing CRDs.
 
 .PHONY: kustomize-crds

package/kustomize/kustomization.yaml

@@ -11,4 +11,4 @@ patches:
     kind: CustomResourceDefinition
 
 transformers:
-  - transformer.yaml
+  - splitter.yaml

package/kustomize/plugin/providers.upbound.io/splittransformer/SplitTransformer

@@ -6,37 +6,5 @@ set -aeuo pipefail
 shift
 output_dir="$1"
 
-temp_file="$(mktemp)"
-
-function save_crd {
-    group="$(sed -nr 's/^[[:space:]]*group:[[:space:]]*(.+)/\1/p' "${temp_file}")"
-    plural="$(sed -nr 's/^[[:space:]]*plural:[[:space:]]*(.+)/\1/p' "${temp_file}")"
-    tee < "${temp_file}" "${output_dir}/${group//apiextensions.k8s.io?/}_${plural}.yaml"
-
-    # Reset the temporary file
-    : > "${temp_file}"
-}
-
-while IFS= read -r line || [[ -n "${line}" ]]; do
-    if [[ "$line" == "---" && -s "${temp_file}" ]]; then
-        save_crd
-    else
-        if [[ ! -s "${temp_file}" ]]; then
-            echo "---" >> "${temp_file}"
-        fi
-
-        echo "${line}" >> "${temp_file}"
-    fi
-done
-
-# Save the last document if there is one
-if [[ -s "${temp_file}" ]]; then
-    save_crd
-fi
-
-function cleanup {
-  # Clean up the temporary file
-  rm "${temp_file}"
-}
-
-trap cleanup EXIT
+cd "${output_dir}"
+${YQ} --split-exp '.spec.group + "_" + .spec.names.plural + ".yaml"' -