use ko to build container image (#6)

Author: kishorj

.ko.yaml

@@ -0,0 +1,12 @@
+builds:
+- env:
+  - CGO_ENABLED=0
+  flags:
+  - -mod=readonly
+  ldflags:
+  - -s
+  - -w
+  - -X github.com/aws/amazon-network-policy-controller-k8s/pkg/version.GitVersion={{.Env.GIT_VERSION}}
+  - -X github.com/aws/amazon-network-policy-controller-k8s/pkg/version.GitCommit={{.Env.GIT_COMMIT}}
+  - -X github.com/aws/amazon-network-policy-controller-k8s/pkg/version.BuildDate={{.Env.BUILD_DATE}}
+

Makefile

@@ -1,8 +1,25 @@
+# Copyright Amazon.com Inc. or its affiliates. All Rights Reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#    http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
 
 # Image URL to use all building/pushing image targets
-IMG ?= controller:latest
+IMG ?= public.ecr.aws/eks/amazon-network-policy-controller-k8s:v0.5.0
 # ENVTEST_K8S_VERSION refers to the version of kubebuilder assets to be downloaded by envtest binary.
 ENVTEST_K8S_VERSION = 1.26.1
+# PLATFORMS define the target platforms for the controller image be build
+PLATFORMS ?= linux/amd64,linux/arm64
+# IMG_SBOM defines the SBOM media type to use, we set to none since ECR doesn't support it yet
+IMG_SBOM ?= none
 
 # Get the currently used golang install path (in GOPATH/bin, unless GOBIN is set)
 ifeq (,$(shell go env GOBIN))
@@ -68,24 +85,17 @@ build: manifests generate fmt vet ## Build manager binary.
 run: manifests generate fmt vet ## Run a controller from your host.
 	go run ./cmd/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} .
-
 .PHONY: docker-push
-docker-push: ## Push docker image with the manager.
-	docker push ${IMG}
-
-# PLATFORMS defines the target platforms for  the manager image be build to provide support to multiple
-# architectures. (i.e. make docker-buildx IMG=myregistry/mypoperator:0.0.1). To use this option you need to:
-# - able to use docker buildx . More info: https://docs.docker.com/build/buildx/
-# - have enable BuildKit, More info: https://docs.docker.com/develop/develop-images/build_enhancements/
-# - be able to push the image for your registry (i.e. if you do not inform a valid value via IMG=<myregistry/image:<tag>> then the export will fail)
-# To properly provided solutions that supports more than one platform you should use this option.
-PLATFORMS ?= linux/arm64,linux/amd64,linux/s390x,linux/ppc64le
+docker-push: image-push
+
+.PHONY: image-push
+image-push: ko
+	KO_DOCKER_REPO=$(firstword $(subst :, ,${IMG})) \
+	GIT_VERSION=$(shell git describe --tags --dirty --always) \
+	GIT_COMMIT=$(shell git rev-parse HEAD)  \
+	BUILD_DATE=$(shell date +%Y-%m-%dT%H:%M:%S%z) \
+	$(KO) build --tags $(word 2,$(subst :, ,${IMG})) --platform=${PLATFORM} --bare --sbom ${IMG_SBOM} ./cmd
+
 .PHONY: docker-buildx
 docker-buildx: test ## Build and push docker image for the manager for cross-platform support
 	# copy existing Dockerfile and insert --platform=${BUILDPLATFORM} into Dockerfile.cross, and preserve the original Dockerfile
@@ -130,6 +140,8 @@ $(LOCALBIN):
 KUSTOMIZE ?= $(LOCALBIN)/kustomize
 CONTROLLER_GEN ?= $(LOCALBIN)/controller-gen
 ENVTEST ?= $(LOCALBIN)/setup-envtest
+KO ?= $(LOCALBIN)/ko
+MOCKGEN ?= $(LOCALBIN)/mockgen
 
 ## Tool Versions
 KUSTOMIZE_VERSION ?= v5.0.0
@@ -155,3 +167,13 @@ $(CONTROLLER_GEN): $(LOCALBIN)
 envtest: $(ENVTEST) ## Download envtest-setup locally if necessary.
 $(ENVTEST): $(LOCALBIN)
 	test -s $(LOCALBIN)/setup-envtest || GOBIN=$(LOCALBIN) go install sigs.k8s.io/controller-runtime/tools/setup-envtest@latest
+
+.PHONY: ko
+ko: $(KO)
+$(KO): $(LOCALBIN)
+	test -s $(LOCALBIN)/ko || GOBIN=$(LOCALBIN) go install github.com/google/[email protected]
+
+.PHONY: mockgen
+mockgen: $(MOCKGEN)
+$(MOCKGEN): $(LOCALBIN)
+	test -s $(MOCKGEN) || GOBIN=$(LOCALBIN) go install github.com/golang/mock/[email protected]