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cross build test/images/serve_hostname and update README
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@ -12,9 +12,8 @@
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# See the License for the specific language governing permissions and
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# limitations under the License.
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FROM busybox
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FROM BASEIMAGE
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MAINTAINER Tim Hockin <thockin@google.com>
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ADD serve_hostname /serve_hostname
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ADD serve_hostname.go /serve_hostname.go
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EXPOSE 9376
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ENTRYPOINT ["/serve_hostname"]
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@ -12,26 +12,90 @@
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# See the License for the specific language governing permissions and
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# limitations under the License.
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all: serve_hostname
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# Cross-build the serve_hostname image
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#
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# Usage:
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# [TAG=v1.5] [PREFIX=gcr.io/google_containers] [TEST_REGISTRY=b.gcr.io/k8s_authenticated_test] [ARCH=amd64] [BASEIMAGE=busybox] make all
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TAG = v1.4
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PREFIX = gcr.io/google_containers
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TEST_PREFIX = b.gcr.io/k8s_authenticated_test
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.PHONY: all push container clean
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serve_hostname: serve_hostname.go
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CGO_ENABLED=0 go build -a -installsuffix cgo --ldflags '-w' ./serve_hostname.go
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TAG ?= v1.5
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container: serve_hostname
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docker build -t $(PREFIX)/serve_hostname:$(TAG) .
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if [ -n "$(TEST_PREFIX)" ]; then \
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docker tag -f $(PREFIX)/serve_hostname:$(TAG) $(TEST_PREFIX)/serve_hostname:$(TAG); \
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REGISTRY ?= gcr.io/google_containers
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TEST_REGISTRY ?= b.gcr.io/k8s_authenticated_test
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# Architectures supported: amd64, arm, arm64 and ppc64le
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ARCH ?= amd64
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ALL_ARCH = amd64 arm arm64 ppc64le
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GOARM=6
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TEMP_DIR := $(shell mktemp -d)
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KUBE_CROSS_IMAGE = gcr.io/google_containers/kube-cross
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KUBE_CROSS_VERSION = $(shell cat ../../../build/build-image/cross/VERSION)
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BIN = serve_hostname
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SRCS = serve_hostname.go
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IMAGE = $(REGISTRY)/$(BIN)-$(ARCH)
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TEST_IMAGE = $(TEST_REGISTRY)/$(BIN)-$(ARCH)
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# Set default base image dynamically for each arch
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ifeq ($(ARCH),amd64)
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BASEIMAGE?=busybox
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endif
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ifeq ($(ARCH),arm)
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BASEIMAGE?=armel/busybox
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endif
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ifeq ($(ARCH),arm64)
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BASEIMAGE?=aarch64/busybox
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endif
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ifeq ($(ARCH),ppc64le)
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BASEIMAGE?=ppc64le/busybox
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endif
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# If you want to build AND push all containers, see the 'all-push' rule.
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all: all-container
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sub-container-%:
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$(MAKE) ARCH=$* container
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sub-push-%:
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$(MAKE) ARCH=$* push
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all-container: $(addprefix sub-container-,$(ALL_ARCH))
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all-push: $(addprefix sub-push-,$(ALL_ARCH))
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build: bin/$(BIN)-$(ARCH)
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bin/$(BIN)-$(ARCH): $(SRCS)
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# Copy the content in this dir to the temp dir
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cp ./* $(TEMP_DIR)
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docker run -it -v $(TEMP_DIR):/build \
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$(KUBE_CROSS_IMAGE):$(KUBE_CROSS_VERSION) \
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/bin/bash -c "\
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cd /build && \
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CGO_ENABLED=0 GOARM=$(GOARM) GOARCH=$(ARCH) go build -a -installsuffix cgo --ldflags '-w' -o $(BIN) ./$(SRCS)"
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container: .container-$(ARCH)
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.container-$(ARCH): bin/$(BIN)-$(ARCH)
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# Set the base image
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cd $(TEMP_DIR) && sed -i.bak 's|BASEIMAGE|$(BASEIMAGE)|g' Dockerfile
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docker build -t $(IMAGE):$(TAG) $(TEMP_DIR)
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if [ -n "$(TEST_REGISTRY)" ]; then \
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docker tag -f $(IMAGE):$(TAG) $(TEST_IMAGE):$(TAG) ;\
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fi
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push:
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gcloud docker push $(PREFIX)/serve_hostname:$(TAG)
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if [ -n "$(TEST_PREFIX)" ]; then \
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gcloud docker push $(TEST_PREFIX)/serve_hostname:$(TAG); \
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push: .push-$(ARCH)
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.push-$(ARCH): .container-$(ARCH)
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gcloud docker push $(IMAGE):$(TAG)
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if [ -n "$(TEST_REGISTRY)" ]; then \
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gcloud docker push $(TEST_IMAGE):$(TAG) ;\
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fi
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clean:
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rm -f serve_hostname
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rm -rf $(BIN)
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@ -1,7 +1,31 @@
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serve_hostname
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==============
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## serve_hostname
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Util app to serve your hostname on TCP and/or UDP. Useful for testing.
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This is a small util app to serve your hostname on TCP and/or UDP. Useful for testing.
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The `serve_hostname` Makefile supports multiple architectures, which means it may cross-compile and build an docker image easily.
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Arch-specific busybox images serve as base images.
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If you are releasing a new version, please bump the `TAG` value in the `Makefile` before building the images.
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## How to release:
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```
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# Build for linux/amd64 (default)
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$ make push
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$ make push ARCH=amd64
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# ---> gcr.io/google_containers/serve_hostname-amd64:TAG
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$ make push ARCH=arm
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# ---> gcr.io/google_containers/serve_hostname-arm:TAG
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$ make push ARCH=arm64
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# ---> gcr.io/google_containers/serve_hostname-arm64:TAG
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$ make push ARCH=ppc64le
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# ---> gcr.io/google_containers/serve_hostname-ppc64le:TAG
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```
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Of course, if you don't want to push the images, just run `make container`
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[]()
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