caching tools for code gens

.gitignore

@@ -1,7 +1,8 @@
 ### Project specific
 bin/
 vendor/
-
+hack/code-gen
+hack/controller-gen
 
 ### mac
 .DS_Store
@@ -51,4 +52,4 @@ Session.vim
 # Auto-generated tag files
 tags
 # Persistent undo
-[._]*.un~
+[._]*.un~

Makefile

@@ -37,7 +37,7 @@ download:
 	go mod download
 
 .PHONY: prebuild
-prebuild: generate fmt vet
+prebuild: generate check-formatting
 
 .PHONY: manager
 # Build manager binary
@@ -83,6 +83,10 @@ deploy-clean:
 manifests:
 	./hack/update_manifests.sh
 
+.PHONY: manifests-clean
+manifests-clean:
+	rm -rf hack/controller-gen
+
 .PHONY: fmt
 # Run go fmt against code
 fmt:
@@ -116,6 +120,10 @@ imports:
 generate:
 	./hack/update_codegen.sh
 
+.PHONY: generate-clean
+generate-clean:
+	rm -rf hack/code-gen
+
 .PHONY: cli
 # Build CLI
 cli: prebuild
@@ -148,7 +156,7 @@ clean:  cli-clean test-clean manager-clean deploy-clean
 
 .PHONY: docker-build
 # Build the docker image
-docker-build: generate fmt vet manifests
+docker-build: generate check-formatting manifests
 	docker build --build-arg git_version_arg=${GIT_VERSION_PATH}=${GIT_VERSION} \
 	--build-arg git_commit_arg=${GIT_COMMIT_PATH}=${GIT_COMMIT} \
 	--build-arg build_date_arg=${BUILD_DATE_PATH}=${BUILD_DATE} . -t ${DOCKER_IMG}:${DOCKER_TAG}

hack/update_codegen.sh

@@ -4,24 +4,24 @@ set -o errexit
 set -o nounset
 set -o pipefail
 
-TMP_DIR=$(mktemp -d)
-
-cleanup() {
-  rm -rf "${TMP_DIR}"
-}
-trap "cleanup" EXIT SIGINT
-
-cleanup
-
 # The following solution for making code generation work with go modules is
 # borrowed and modified from https://github.com/heptio/contour/pull/1010.
+# it has been modified to enable caching.
 export GO111MODULE=on
 VERSION=$(go list -m all | grep k8s.io/code-generator | rev | cut -d"-" -f1 | cut -d" " -f1 | rev)
-git clone https://github.com/kubernetes/code-generator.git "${TMP_DIR}"
-(cd "${TMP_DIR}" && git reset --hard "${VERSION}" && go mod init)
-"${TMP_DIR}"/generate-groups.sh \
+CODE_GEN_DIR="hack/code-gen/$VERSION"
+
+if [ -d $CODE_GEN_DIR ]   # for file "if [-f /home/rama/file]"
+then
+    echo "Using cached code generator version: $VERSION"
+else
+  git clone https://github.com/kubernetes/code-generator.git "${CODE_GEN_DIR}"
+  (cd "${CODE_GEN_DIR}" && git reset --hard "${VERSION}" && go mod init)
+fi
+
+"${CODE_GEN_DIR}"/generate-groups.sh \
   all \
   github.com/kudobuilder/kudo/pkg/client \
   github.com/kudobuilder/kudo/pkg/apis \
   "kudo:v1alpha1" \
-  --go-header-file hack/boilerplate.go.txt # must be last for some reason
+  --go-header-file hack/boilerplate.go.txt # must be last for some reason

hack/update_manifests.sh

@@ -4,21 +4,20 @@ set -o errexit
 set -o nounset
 set -o pipefail
 
-TMP_DIR=$(mktemp -d)
-
-cleanup() {
-  rm -rf "${TMP_DIR}"
-}
-trap "cleanup" EXIT SIGINT
-
-cleanup
-
 # The following solution for making code generation work with go modules is
 # borrowed and modified from https://github.com/heptio/contour/pull/1010.
+# it has been modified to enable caching.
 export GO111MODULE=on
 VERSION=$(go list -m all | grep sigs.k8s.io/controller-tools | rev | cut -d"-" -f1 | cut -d" " -f1 | rev)
-git clone https://github.com/kubernetes-sigs/controller-tools.git "${TMP_DIR}"
-(cd "${TMP_DIR}" && git reset --hard "${VERSION}" && go mod init)
+CONTROLLER_GEN_DIR="hack/controller-gen/$VERSION"
+
+if [ -d $CONTROLLER_GEN_DIR ]   # for file "if [-f /home/rama/file]"
+then
+    echo "Using cached controller generator version: $VERSION"
+else
+  git clone https://github.com/kubernetes-sigs/controller-tools.git "${CONTROLLER_GEN_DIR}"
+  (cd "${CONTROLLER_GEN_DIR}" && git reset --hard "${VERSION}" && go mod init)
+fi
 
-go run "$TMP_DIR"/cmd/controller-gen/main.go rbac --output-dir=config/default/rbac
-go run "$TMP_DIR"/cmd/controller-gen/main.go crd
+go run "$CONTROLLER_GEN_DIR"/cmd/controller-gen/main.go rbac --output-dir=config/default/rbac
+go run "$CONTROLLER_GEN_DIR"/cmd/controller-gen/main.go crd