Generate V1 CRDs (#56)

Update tools to newer versions.

Note that despite preserveUnknownFields, this is not included in the
generated CRDs due to [1]. Importing our local kustomize hack to
include it here does not seem worthwhile since it is mostly an upgrade
issue.

[1] - kubernetes-sigs/controller-tools#476

Makefile

@@ -17,7 +17,7 @@ export PATH := $(abspath $(BIN_DIR)):$(abspath $(TOOLS_BIN_DIR)):$(PATH)
 
 # Tooling binaries
 CONTROLLER_GEN     := $(TOOLS_BIN_DIR)/controller-gen
-CLIENT_GEN	       := $(TOOLS_BIN_DIR)/client-gen
+CLIENT_GEN         := $(TOOLS_BIN_DIR)/client-gen
 INFORMER_GEN       := $(TOOLS_BIN_DIR)/informer-gen
 LISTER_GEN         := $(TOOLS_BIN_DIR)/lister-gen
 GOLANGCI_LINT      := $(TOOLS_BIN_DIR)/golangci-lint
@@ -80,7 +80,10 @@ generate-manifests: $(CONTROLLER_GEN) ## Generate manifests e.g. CRD, RBAC etc.
 	$(CONTROLLER_GEN) \
 		paths=./api/... \
 		crd:trivialVersions=true \
-		output:crd:dir=$(CRD_ROOT)
+		crd:crdVersions=v1 \
+		crd:preserveUnknownFields=false \
+		output:crd:dir=$(CRD_ROOT) \
+		output:none
 
 .PHONY: generate-client
 generate-client: tools ## Generate api client

hack/tools/go.mod

@@ -3,6 +3,6 @@ module github.com/vmware-tanzu/vm-operator-api/hack/tools
 go 1.13
 
 require (
-	k8s.io/code-generator v0.17.4
-	sigs.k8s.io/controller-tools v0.2.8
+	k8s.io/code-generator v0.18.2
+	sigs.k8s.io/controller-tools v0.4.1
 )