Revert KB default scaffolding

Author: varshaprasad96

Dockerfile

@@ -1,5 +1,7 @@
 # Build the manager binary
-FROM golang:1.18 as builder
+FROM golang:1.19 as builder
+ARG TARGETOS
+ARG TARGETARCH
 
 WORKDIR /workspace
 # Copy the Go Modules manifests
@@ -15,7 +17,11 @@ COPY api/ api/
 COPY controllers/ controllers/
 
 # Build
-RUN CGO_ENABLED=0 GOOS=linux GOARCH=amd64 go build -a -o manager main.go
+# the GOARCH has not a default value to allow the binary be built according to the host where the command
+# was called. For example, if we call make docker-build in a local env which has the Apple Silicon M1 SO
+# the docker BUILDPLATFORM arg will be linux/arm64 when for Apple x86 it will be linux/amd64. Therefore,
+# by leaving it empty we can ensure that the container and binary shipped on it will have the same platform.
+RUN CGO_ENABLED=0 GOOS=${TARGETOS:-linux} GOARCH=${TARGETARCH} go build -a -o manager main.go
 
 # Use distroless as minimal base image to package the manager binary
 # Refer to https://github.com/GoogleContainerTools/distroless for more details

Makefile

@@ -2,7 +2,7 @@
 # Image URL to use all building/pushing image targets
 IMG ?= controller:latest
 # ENVTEST_K8S_VERSION refers to the version of kubebuilder assets to be downloaded by envtest binary.
-ENVTEST_K8S_VERSION = 1.24
+ENVTEST_K8S_VERSION = 1.25.0
 
 # Get the currently used golang install path (in GOPATH/bin, unless GOBIN is set)
 ifeq (,$(shell go env GOBIN))
@@ -12,7 +12,6 @@ GOBIN=$(shell go env GOBIN)
 endif
 
 # Setting SHELL to bash allows bash commands to be executed by recipes.
-# This is a requirement for 'setup-envtest.sh' in the test target.
 # Options are set to exit when a recipe line exits non-zero or a piped command fails.
 SHELL = /usr/bin/env bash -o pipefail
 .SHELLFLAGS = -ec
@@ -41,7 +40,7 @@ help: ## Display this help.
 
 .PHONY: manifests
 manifests: controller-gen ## Generate WebhookConfiguration, ClusterRole and CustomResourceDefinition objects.
-	$(CONTROLLER_GEN) rbac:roleName=manager-role crd webhook paths="./..." output:crd:artifacts:config=config/crd
+	$(CONTROLLER_GEN) rbac:roleName=manager-role crd webhook paths="./..." output:crd:artifacts:config=config/crd/bases
 
 .PHONY: generate
 generate: controller-gen ## Generate code containing DeepCopy, DeepCopyInto, and DeepCopyObject method implementations.
@@ -57,18 +56,21 @@ vet: ## Run go vet against code.
 
 .PHONY: test
 test: manifests generate fmt vet envtest ## Run tests.
-	KUBEBUILDER_ASSETS="$(shell $(ENVTEST) use $(ENVTEST_K8S_VERSION) -p path)" go test ./... -coverprofile cover.out
+	KUBEBUILDER_ASSETS="$(shell $(ENVTEST) use $(ENVTEST_K8S_VERSION) --bin-dir $(LOCALBIN) -p path)" go test ./... -coverprofile cover.out
 
 ##@ Build
 
 .PHONY: build
-build: generate fmt vet ## Build manager binary.
+build: manifests generate fmt vet ## Build manager binary.
 	go build -o bin/manager main.go
 
 .PHONY: run
 run: manifests generate fmt vet ## Run a controller from your host.
 	go run ./main.go
 
+# If you wish built the manager image targeting other platforms you can use the --platform flag.
+# (i.e. docker build --platform linux/arm64 ). However, you must enable docker buildKit for it.
+# More info: https://docs.docker.com/develop/develop-images/build_enhancements/
 .PHONY: docker-build
 docker-build: test ## Build docker image with the manager.
 	docker build -t ${IMG} .
@@ -77,6 +79,23 @@ docker-build: test ## Build docker image with the manager.
 docker-push: ## Push docker image with the manager.
 	docker push ${IMG}
 
+# PLATFORMS defines the target platforms for  the manager image be build to provide support to multiple
+# architectures. (i.e. make docker-buildx IMG=myregistry/mypoperator:0.0.1). To use this option you need to:
+# - able to use docker buildx . More info: https://docs.docker.com/build/buildx/
+# - have enable BuildKit, More info: https://docs.docker.com/develop/develop-images/build_enhancements/
+# - be able to push the image for your registry (i.e. if you do not inform a valid value via IMG=<myregistry/image:<tag>> than the export will fail)
+# To properly provided solutions that supports more than one platform you should use this option.
+PLATFORMS ?= linux/arm64,linux/amd64,linux/s390x,linux/ppc64le
+.PHONY: docker-buildx
+docker-buildx: test ## Build and push docker image for the manager for cross-platform support
+	# copy existing Dockerfile and insert --platform=${BUILDPLATFORM} into Dockerfile.cross, and preserve the original Dockerfile
+	sed -e '1 s/\(^FROM\)/FROM --platform=\$$\{BUILDPLATFORM\}/; t' -e ' 1,// s//FROM --platform=\$$\{BUILDPLATFORM\}/' Dockerfile > Dockerfile.cross
+	- docker buildx create --name project-v3-builder
+	docker buildx use project-v3-builder
+	- docker buildx build --push --platform=$(PLATFORMS) --tag ${IMG} -f Dockerfile.cross .
+	- docker buildx rm project-v3-builder
+	rm Dockerfile.cross
+
 ##@ Deployment
 
 ifndef ignore-not-found
@@ -114,20 +133,20 @@ ENVTEST ?= $(LOCALBIN)/setup-envtest
 
 ## Tool Versions
 KUSTOMIZE_VERSION ?= v3.8.7
-CONTROLLER_TOOLS_VERSION ?= v0.8.0
+CONTROLLER_TOOLS_VERSION ?= v0.10.0
 
 KUSTOMIZE_INSTALL_SCRIPT ?= "https://raw.githubusercontent.com/kubernetes-sigs/kustomize/master/hack/install_kustomize.sh"
 .PHONY: kustomize
 kustomize: $(KUSTOMIZE) ## Download kustomize locally if necessary.
 $(KUSTOMIZE): $(LOCALBIN)
-	curl -s $(KUSTOMIZE_INSTALL_SCRIPT) | bash -s -- $(subst v,,$(KUSTOMIZE_VERSION)) $(LOCALBIN)
+	test -s $(LOCALBIN)/kustomize || { curl -Ss $(KUSTOMIZE_INSTALL_SCRIPT) | bash -s -- $(subst v,,$(KUSTOMIZE_VERSION)) $(LOCALBIN); }
 
 .PHONY: controller-gen
 controller-gen: $(CONTROLLER_GEN) ## Download controller-gen locally if necessary.
 $(CONTROLLER_GEN): $(LOCALBIN)
-	GOBIN=$(LOCALBIN) go install sigs.k8s.io/controller-tools/cmd/controller-gen@$(CONTROLLER_TOOLS_VERSION)
+	test -s $(LOCALBIN)/controller-gen || GOBIN=$(LOCALBIN) go install sigs.k8s.io/controller-tools/cmd/controller-gen@$(CONTROLLER_TOOLS_VERSION)
 
 .PHONY: envtest
 envtest: $(ENVTEST) ## Download envtest-setup locally if necessary.
 $(ENVTEST): $(LOCALBIN)
-	GOBIN=$(LOCALBIN) go install sigs.k8s.io/controller-runtime/tools/setup-envtest@latest
+	test -s $(LOCALBIN)/setup-envtest || GOBIN=$(LOCALBIN) go install sigs.k8s.io/controller-runtime/tools/setup-envtest@latest

PROJECT

@@ -0,0 +1,16 @@
+domain: kcp.dev
+layout:
+- go.kubebuilder.io/v3
+projectName: catalog
+repo: github.com/kcp-dev/catalog
+resources:
+- api:
+    crdVersion: v1
+    namespaced: true
+  controller: true
+  domain: kcp.dev
+  group: catalog
+  kind: CatalogEntry
+  path: github.com/kcp-dev/catalog/api/v1alpha1
+  version: v1alpha1
+version: "3"

api/v1alpha1/groupversion_info.go

@@ -14,9 +14,9 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
-// Package v1alpha1 contains API Schema definitions for the catalog.kcp.dev v1alpha1 API group
-//+kubebuilder:object:generate=true
-//+groupName=catalog.kcp.dev
+// Package v1alpha1 contains API Schema definitions for the catalog v1alpha1 API group
+// +kubebuilder:object:generate=true
+// +groupName=catalog.kcp.dev
 package v1alpha1
 
 import (

…/crd/catalog.kcp.dev_catalogentries.yaml …ases/catalog.kcp.dev_catalogentries.yamlconfig/crd/catalog.kcp.dev_catalogentries.yaml renamed to config/crd/bases/catalog.kcp.dev_catalogentries.yaml config/crd/catalog.kcp.dev_catalogentries.yaml renamed to config/crd/bases/catalog.kcp.dev_catalogentries.yaml

@@ -3,7 +3,7 @@ apiVersion: apiextensions.k8s.io/v1
 kind: CustomResourceDefinition
 metadata:
   annotations:
-    controller-gen.kubebuilder.io/version: v0.8.0
+    controller-gen.kubebuilder.io/version: v0.10.0
   creationTimestamp: null
   name: catalogentries.catalog.kcp.dev
 spec:
@@ -57,9 +57,8 @@ spec:
                           type: string
                         path:
                           description: path is an absolute reference to a workspace,
-                            e.g. root:org:ws. The workspace must be some ancestor
-                            or a child of some ancestor. If it is unset, the path
-                            of the APIBinding is used.
+                            e.g. root:org:ws. If it is unset, the path of the APIBinding
+                            is used.
                           pattern: ^root(:[a-z0-9]([-a-z0-9]*[a-z0-9])?)*$
                           type: string
                       required:
@@ -125,11 +124,12 @@ spec:
                   by the API provider(s) for this catalog entry.
                 items:
                   description: PermissionClaim identifies an object by GR and identity
-                    hash. It's purpose is to determine the added permisions that a
+                    hash. Its purpose is to determine the added permissions that a
                     service provider may request and that a consumer may accept and
-                    alllow the service provider access to.
+                    allow the service provider access to.
                   properties:
                     group:
+                      default: ""
                       description: group is the name of an API group. For core groups
                         this is the empty string '""'.
                       pattern: ^(|[a-z0-9]([-a-z0-9]*[a-z0-9](\.[a-z0-9]([-a-z0-9]*[a-z0-9])?)*)?)$
@@ -174,9 +174,3 @@ spec:
     storage: true
     subresources:
       status: {}
-status:
-  acceptedNames:
-    kind: ""
-    plural: ""
-  conditions: []
-  storedVersions: []

config/crd/kustomization.yaml

@@ -0,0 +1,21 @@
+# This kustomization.yaml is not intended to be run by itself,
+# since it depends on service name and namespace that are out of this kustomize package.
+# It should be run by config/default
+resources:
+- bases/catalog.kcp.dev_catalogentries.yaml
+#+kubebuilder:scaffold:crdkustomizeresource
+
+patchesStrategicMerge:
+# [WEBHOOK] To enable webhook, uncomment all the sections with [WEBHOOK] prefix.
+# patches here are for enabling the conversion webhook for each CRD
+#- patches/webhook_in_catalogentries.yaml
+#+kubebuilder:scaffold:crdkustomizewebhookpatch
+
+# [CERTMANAGER] To enable cert-manager, uncomment all the sections with [CERTMANAGER] prefix.
+# patches here are for enabling the CA injection for each CRD
+#- patches/cainjection_in_catalogentries.yaml
+#+kubebuilder:scaffold:crdkustomizecainjectionpatch
+
+# the following config is for teaching kustomize how to do kustomization for CRDs.
+configurations:
+- kustomizeconfig.yaml

config/crd/kustomizeconfig.yaml

@@ -0,0 +1,19 @@
+# This file is for teaching kustomize how to substitute name and namespace reference in CRD
+nameReference:
+- kind: Service
+  version: v1
+  fieldSpecs:
+  - kind: CustomResourceDefinition
+    version: v1
+    group: apiextensions.k8s.io
+    path: spec/conversion/webhook/clientConfig/service/name
+
+namespace:
+- kind: CustomResourceDefinition
+  version: v1
+  group: apiextensions.k8s.io
+  path: spec/conversion/webhook/clientConfig/service/namespace
+  create: false
+
+varReference:
+- path: metadata/annotations

config/crd/patches/cainjection_in_catalogentries.yaml

@@ -0,0 +1,7 @@
+# The following patch adds a directive for certmanager to inject CA into the CRD
+apiVersion: apiextensions.k8s.io/v1
+kind: CustomResourceDefinition
+metadata:
+  annotations:
+    cert-manager.io/inject-ca-from: $(CERTIFICATE_NAMESPACE)/$(CERTIFICATE_NAME)
+  name: catalogentries.catalog.kcp.dev

config/crd/patches/webhook_in_catalogentries.yaml

@@ -0,0 +1,16 @@
+# The following patch enables a conversion webhook for the CRD
+apiVersion: apiextensions.k8s.io/v1
+kind: CustomResourceDefinition
+metadata:
+  name: catalogentries.catalog.kcp.dev
+spec:
+  conversion:
+    strategy: Webhook
+    webhook:
+      clientConfig:
+        service:
+          namespace: system
+          name: webhook-service
+          path: /convert
+      conversionReviewVersions:
+      - v1

config/default/kustomization.yaml

@@ -0,0 +1,72 @@
+# Adds namespace to all resources.
+namespace: catalog-system
+
+# Value of this field is prepended to the
+# names of all resources, e.g. a deployment named
+# "wordpress" becomes "alices-wordpress".
+# Note that it should also match with the prefix (text before '-') of the namespace
+# field above.
+namePrefix: catalog-
+
+# Labels to add to all resources and selectors.
+#commonLabels:
+#  someName: someValue
+
+bases:
+- ../crd
+- ../rbac
+- ../manager
+# [WEBHOOK] To enable webhook, uncomment all the sections with [WEBHOOK] prefix including the one in
+# crd/kustomization.yaml
+#- ../webhook
+# [CERTMANAGER] To enable cert-manager, uncomment all sections with 'CERTMANAGER'. 'WEBHOOK' components are required.
+#- ../certmanager
+# [PROMETHEUS] To enable prometheus monitor, uncomment all sections with 'PROMETHEUS'.
+#- ../prometheus
+
+patchesStrategicMerge:
+# Protect the /metrics endpoint by putting it behind auth.
+# If you want your controller-manager to expose the /metrics
+# endpoint w/o any authn/z, please comment the following line.
+- manager_auth_proxy_patch.yaml
+
+
+
+# [WEBHOOK] To enable webhook, uncomment all the sections with [WEBHOOK] prefix including the one in
+# crd/kustomization.yaml
+#- manager_webhook_patch.yaml
+
+# [CERTMANAGER] To enable cert-manager, uncomment all sections with 'CERTMANAGER'.
+# Uncomment 'CERTMANAGER' sections in crd/kustomization.yaml to enable the CA injection in the admission webhooks.
+# 'CERTMANAGER' needs to be enabled to use ca injection
+#- webhookcainjection_patch.yaml
+
+# the following config is for teaching kustomize how to do var substitution
+vars:
+# [CERTMANAGER] To enable cert-manager, uncomment all sections with 'CERTMANAGER' prefix.
+#- name: CERTIFICATE_NAMESPACE # namespace of the certificate CR
+#  objref:
+#    kind: Certificate
+#    group: cert-manager.io
+#    version: v1
+#    name: serving-cert # this name should match the one in certificate.yaml
+#  fieldref:
+#    fieldpath: metadata.namespace
+#- name: CERTIFICATE_NAME
+#  objref:
+#    kind: Certificate
+#    group: cert-manager.io
+#    version: v1
+#    name: serving-cert # this name should match the one in certificate.yaml
+#- name: SERVICE_NAMESPACE # namespace of the service
+#  objref:
+#    kind: Service
+#    version: v1
+#    name: webhook-service
+#  fieldref:
+#    fieldpath: metadata.namespace
+#- name: SERVICE_NAME
+#  objref:
+#    kind: Service
+#    version: v1
+#    name: webhook-service