Add a CircleCI configuration for building container images.

.circleci/config.yml

@@ -0,0 +1,70 @@
+# -*- mode: yaml -*-
+
+version: 2
+jobs:
+  test-1.8:
+    working_directory: /go/src/go.universe.tf/netboot
+    docker:
+      - image: circleci/golang:1.8
+    steps:
+      - checkout
+      - run: make ci-prepare
+      - run: make build
+      - run: make test
+      - run: make lint
+  test-1.9:
+    working_directory: /go/src/go.universe.tf/netboot
+    docker:
+      - image: circleci/golang:1.9
+    steps:
+      - checkout
+      - run: make ci-prepare
+      - run: make build
+      - run: make test
+      - run: make lint
+  test-1.10beta2:
+    working_directory: /go/src/go.universe.tf/netboot
+    docker:
+      - image: circleci/golang:1.10beta2
+    steps:
+      - checkout
+      - run: make ci-prepare
+      - run: make build
+      - run: make test
+      - run: make lint
+  deploy:
+    working_directory: /go/src/go.universe.tf/metallb
+    docker:
+      - image: circleci/golang:1.9
+    steps:
+      - checkout
+      - setup_remote_docker
+      - run: echo $CIRCLE_BRANCH
+      - run: docker login -u $DOCKER_USER -p $DOCKER_PASSWORD
+      - run: make ci-prepare
+      - run: ci-push-images TAG=${CIRCLE_BRANCH:-${CIRCLE_TAG}}
+workflows:
+  version: 2
+  test-and-deploy:
+    jobs:
+      - test-1.8:
+          filters:
+            tags:
+              only: /.*/
+      - test-1.9:
+          filters:
+            tags:
+              only: /.*/
+      - test-1.10beta2:
+          filters:
+            tags:
+              only: /.*/
+      - deploy:
+          filters:
+            branches:
+              ignore: /pull\/.*/
+            tags:
+              only: /.*/
+          requires:
+            - test-1.8
+            - test-1.9

.circleci/config.yml.tmpl

@@ -0,0 +1,46 @@
+# -*- mode: yaml -*-
+
+version: 2
+jobs:
+{{- range .GoVersions }}
+  test-{{.}}:
+    working_directory: /go/src/go.universe.tf/netboot
+    docker:
+      - image: circleci/golang:{{.}}
+    steps:
+      - checkout
+      - run: make ci-prepare
+      - run: make build
+      - run: make test
+      - run: make lint
+{{- end }}
+  deploy:
+    working_directory: /go/src/go.universe.tf/metallb
+    docker:
+      - image: circleci/golang:1.9
+    steps:
+      - checkout
+      - setup_remote_docker
+      - run: echo $CIRCLE_BRANCH
+      - run: docker login -u $DOCKER_USER -p $DOCKER_PASSWORD
+      - run: make ci-prepare
+      - run: ci-push-images TAG=${CIRCLE_BRANCH:-${CIRCLE_TAG}}
+workflows:
+  version: 2
+  test-and-deploy:
+    jobs:
+{{- range .GoVersions }}
+      - test-{{.}}:
+          filters:
+            tags:
+              only: /.*/
+{{- end }}
+      - deploy:
+          filters:
+            branches:
+              ignore: /pull\/.*/
+            tags:
+              only: /.*/
+          requires:
+            - test-1.8
+            - test-1.9

.circleci/gen-config.go

@@ -0,0 +1,19 @@
+package main
+
+import (
+	"html/template"
+	"os"
+
+	"github.com/golang/glog"
+)
+
+func main() {
+	tmpl := template.Must(template.ParseFiles("config.yml.tmpl"))
+	v := map[string][]string{
+		"GoVersions": []string{"1.8", "1.9", "1.10beta2"},
+		"Arch":       []string{"amd64", "arm", "arm64", "ppc64le", "s390x"},
+	}
+	if err := tmpl.Execute(os.Stdout, v); err != nil {
+		glog.Fatalf("Error executing template: %s", err)
+	}
+}

.gitignore

@@ -4,3 +4,4 @@ dhcp4/dhcp4.test
 pcap/pcap.test
 pixiecore/pixiecore.test
 vendor/
+build/

Makefile

@@ -8,10 +8,6 @@ endif
 all:
 	$(error Please request a specific thing, there is no default target)
 
-.PHONY: ci-config
-ci-config:
-	(cd .circleci && go run gen-config.go >config.yml)
-
 .PHONY: ci-prepare
 ci-prepare:
 	$(GOCMD) get -u github.com/golang/dep/cmd/dep
@@ -23,7 +19,7 @@ build:
 	$(GOCMD) install -v ./cmd/pixiecore
 
 .PHONY: test
-test: build
+test:
 	$(GOCMD) test ./...
 	$(GOCMD) test -race ./...
 
@@ -33,6 +29,21 @@ lint:
 	gometalinter --install golint
 	gometalinter --deadline=1m --disable-all --enable=gofmt --enable=golint --enable=vet --enable=deadcode --enable=structcheck --enable=unconvert --vendor ./...
 
+REGISTRY=pixiecore
+TAG=dev
+.PHONY: ci-push-images
+ci-push-images:
+	make -f Makefile.inc push GOARCH=amd64   TAG=$(TAG)-amd64   BINARY=pixiecore REGISTRY=$(REGISTRY)
+	make -f Makefile.inc push GOARCH=arm     TAG=$(TAG)-arm     BINARY=pixiecore REGISTRY=$(REGISTRY)
+	make -f Makefile.inc push GOARCH=arm64   TAG=$(TAG)-arm64   BINARY=pixiecore REGISTRY=$(REGISTRY)
+	make -f Makefile.inc push GOARCH=ppc64le TAG=$(TAG)-ppc64le BINARY=pixiecore REGISTRY=$(REGISTRY)
+	make -f Makefile.inc push GOARCH=s390x   TAG=$(TAG)-s390x   BINARY=pixiecore REGISTRY=$(REGISTRY)
+	manifest-tool push from-args --platforms linux/amd64,linux/arm,linux/arm64,linux/ppc64le,linux/s390x --template $(REGISTRY)/pixiecore:$(TAG)-ARCH --target $(REGISTRY)/pixiecore:$(TAG)
+
+.PHONY: ci-config
+ci-config:
+	(cd .circleci && go run gen-config.go >config.yml)
+
 .PHONY: update-ipxe
 update-ipxe:
 	# rm -rf third_party/ipxe

Makefile.inc

@@ -0,0 +1,64 @@
+# -*- mode: makefile-gmake -*-
+
+# Inputs. Invoke from the parent makefile with these options set.
+GOARCH:=
+BINARY:=
+TAG:=
+REGISTRY:=
+GOCMD:=go
+DOCKER_SUDO:=
+GITCOMMIT:=
+GITBRANCH:=
+
+ifeq ($(GOARCH),)
+	$(error GOARCH not specified)
+endif
+ifeq ($(BINARY),)
+	$(error BINARY not specified)
+endif
+ifeq ($(TAG),)
+	$(error TAG not specified)
+endif
+ifeq ($(REGISTRY),)
+	$(error REGISTRY not specified)
+endif
+
+# Other variables.
+GITCOMMIT:=$(shell git describe --dirty --always)
+BUILD_DIR:=build/$(GOARCH)/$(BINARY)
+DOCKERCMD:=docker
+ifneq ($(DOCKER_SUDO),)
+	DOCKERCMD:=sudo docker
+endif
+DOCKERFILE_BASE:=alpine:latest
+ifneq ($(GOARCH),amd64)
+	DOCKERFILE_BASE:=$(GOARCH)/alpine:latest
+endif
+ifeq ($(GOARCH),arm)
+	DOCKERFILE_BASE:=arm32v6/alpine:latest
+endif
+ifeq ($(GOARCH),arm64)
+	DOCKERFILE_BASE:=arm64v8/alpine:latest
+endif
+
+.PHONY: push
+push: image
+	$(DOCKERCMD) push $(REGISTRY)/$(BINARY):$(TAG)
+
+.PHONY: image
+image: dockerfile binary
+	$(DOCKERCMD) build -t $(REGISTRY)/$(BINARY):$(TAG) $(BUILD_DIR)
+
+.PHONY: dockerfile
+dockerfile: build-dir
+	perl -pe "s#alpine:latest#$(DOCKERFILE_BASE)#g" ./cmd/$(BINARY)/Dockerfile >$(BUILD_DIR)/Dockerfile
+
+.PHONY: binary
+binary: build-dir
+	CGO_ENABLED=0 GOOS=linux GOARCH=$(GOARCH) GOARM=6 \
+		$(GOCMD) build -o $(BUILD_DIR)/$(BINARY) \
+		go.universe.tf/netboot/cmd/$(BINARY)
+
+.PHONY: build-dir
+build-dir:
+	mkdir -p $(BUILD_DIR)

cmd/pixiecore/Dockerfile

@@ -0,0 +1,4 @@
+FROM alpine:latest
+
+ADD pixiecore /pixiecore
+ENTRYPOINT ["/pixiecore"]