Use goreleaser to handle releases

.github/workflows/release.yaml

@@ -0,0 +1,28 @@
+name: Release
+
+on:
+  push:
+    tags:
+      - '*'
+
+jobs:
+  release:
+    runs-on: ubuntu-latest
+    name: Create Release
+    steps:
+      - name: Set version
+        run: echo "VERSION=${GITHUB_REF#refs/*/}" >> $GITHUB_ENV
+      - name: Checkout
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+      - name: Setup Go
+        uses: actions/setup-go@v5
+        with:
+          go-version-file: go.mod
+      - uses: creekorful/[email protected]
+      - name: setup release environment
+        run: |-
+          echo 'GITHUB_TOKEN=${{secrets.GITHUB_TOKEN}}' > .release-env
+      - name: Run GoReleaser
+        run: make release

.github/workflows/release_docker.yaml

@@ -0,0 +1,49 @@
+name: Release Docker
+
+on:
+  push:
+    branches:
+      - master
+    tags:
+      - '*'
+
+jobs:
+  release-docker:
+    runs-on: ubuntu-latest
+    name: Release Docker
+    steps:
+      - name: Set version
+        run: |
+          ref=${GITHUB_REF#refs/*/}
+          if [ $ref = "master" ]; then
+            version="latest"
+          else
+            version=$ref
+          fi
+          echo "REF=${ref}" >> $GITHUB_ENV
+          echo "VERSION=${version}" >> $GITHUB_ENV
+      - uses: actions/checkout@v4
+      - uses: docker/setup-qemu-action@v3
+      - uses: docker/setup-buildx-action@v3
+      - name: Login to DockerHub
+        uses: docker/login-action@v3
+        with:
+          username: treydock
+          password: ${{ secrets.DOCKERHUB_TOKEN }}
+      - name: Login to quay.io
+        uses: docker/login-action@v3
+        with:
+          registry: quay.io
+          username: treydock
+          password: ${{ secrets.QUAY_PASSWORD }}
+      - name: Build and push
+        id: docker_build
+        uses: docker/build-push-action@v5
+        with:
+          context: ./
+          platforms: linux/amd64,linux/arm64
+          file: ./Dockerfile
+          push: true
+          tags: treydock/cgroup_exporter:${{ env.VERSION }},quay.io/treydock/cgroup_exporter:${{ env.VERSION }}
+      - name: Image digest
+        run: echo ${{ steps.docker_build.outputs.digest }}

.github/workflows/test.yaml

@@ -0,0 +1,46 @@
+name: Test
+
+on:
+  push:
+    branches:
+      - master
+      - main
+  pull_request:
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    name: Test
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          fetch-depth: 3
+      - name: Setup Go
+        uses: actions/setup-go@v5
+        with:
+          go-version-file: go.mod
+        run: make
+      - name: Run coverage
+        run: make coverage
+      - name: Upload coverage to Codecov
+        uses: codecov/codecov-action@v4
+        with:
+          token: ${{ secrets.CODECOV_TOKEN }}
+          file: ./coverage.txt
+  build:
+    runs-on: ubuntu-latest
+    name: Build
+    steps:
+      - uses: actions/checkout@v4
+      - name: Setup Go
+        uses: actions/setup-go@v5
+        with:
+          go-version-file: go.mod
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v3
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+      - name: Run GoReleaser build
+        run: release-test
+      - name: Docker Build
+        run: make docker

.gitignore

@@ -3,3 +3,4 @@
 /.build
 /cgroup_exporter
 /coverage.txt
+/dist

.goreleaser.yml

@@ -0,0 +1,58 @@
+before:
+  hooks:
+    # You may remove this if you don't use go modules.
+    - go mod download
+env:
+- CGO_ENABLED=1
+builds:
+  - id: amd64
+    main: cgroup_exporter.go
+    env:
+      - CC=x86_64-linux-gnu-gcc
+    goos:
+      - linux
+    goarch:
+      - amd64
+    ldflags:
+      - -extldflags "-static"
+      - -X github.com/prometheus/common/version.Version={{.Version}}
+      - -X github.com/prometheus/common/version.Revision={{.FullCommit}}
+      - -X github.com/prometheus/common/version.Branch={{.Branch}}
+      - -X github.com/prometheus/common/version.BuildUser=goreleaser
+      - -X github.com/prometheus/common/version.BuildDate={{.Date}}
+  - id: arm64
+    main: cgroup_exporter.go
+    env:
+      - CC=aarch64-linux-gnu-gcc
+    goos:
+      - linux
+    goarch:
+      - arm64
+    ldflags:
+      - -extldflags "-static"
+      - -X github.com/prometheus/common/version.Version={{.Version}}
+      - -X github.com/prometheus/common/version.Revision={{.FullCommit}}
+      - -X github.com/prometheus/common/version.Branch={{.Branch}}
+      - -X github.com/prometheus/common/version.BuildUser=goreleaser
+      - -X github.com/prometheus/common/version.BuildDate={{.Date}}
+archives:
+  - id: archive
+    builds:
+    - amd64
+    - arm64
+    files:
+    - LICENSE
+    - CHANGELOG.md
+    name_template: "cgroup_exporter-{{ .Version }}_{{ .Os }}_{{ .Arch }}"
+    wrap_in_directory: true
+    strip_binary_directory: true
+checksum:
+  name_template: 'checksums.txt'
+release:
+  prerelease: auto
+changelog:
+  sort: asc
+  filters:
+    exclude:
+      - '^docs:'
+      - '^test:'

Dockerfile

@@ -1,8 +1,11 @@
-ARG ARCH="amd64"
-ARG OS="linux"
-FROM quay.io/prometheus/busybox-${OS}-${ARCH}:glibc
-ARG ARCH="amd64"
-ARG OS="linux"
-COPY .build/${OS}-${ARCH}/cgroup_exporter /cgroup_exporter
-EXPOSE 9306
+FROM golang:1.20.7-alpine3.17 AS builder
+RUN apk update && apk add git make gcompat curl build-base
+WORKDIR /go/src/app
+COPY . ./
+RUN make build
+
+FROM alpine:3.17
+RUN apk --no-cache add ca-certificates gcompat
+WORKDIR /
+COPY --from=builder /go/src/app/cgroup_exporter .
 ENTRYPOINT ["/cgroup_exporter"]

Makefile

@@ -2,6 +2,7 @@
 DOCKER_ARCHS ?= amd64 arm64 ppc64le
 DOCKER_REPO	 ?= treydock
 export GOPATH ?= $(firstword $(subst :, ,$(shell go env GOPATH)))
+GOLANG_CROSS_VERSION ?= v1.20.7
 
 include Makefile.common
 
@@ -10,6 +11,18 @@ DOCKER_IMAGE_NAME ?= cgroup_exporter
 coverage:
 	go test -race -coverpkg=./... -coverprofile=coverage.txt -covermode=atomic ./...
 
+release-test:
+	docker run --rm -it -v /var/run/docker.sock:/var/run/docker.sock \
+	-v `pwd`:/work -w /work \
+	ghcr.io/goreleaser/goreleaser-cross:$(GOLANG_CROSS_VERSION) \
+	build --snapshot --clean
+
+release:
+	docker run --rm -it -v /var/run/docker.sock:/var/run/docker.sock \
+	--env-file .release-env -v `pwd`:/work -w /work \
+	ghcr.io/goreleaser/goreleaser-cross:$(GOLANG_CROSS_VERSION) \
+	release --clean
+
 %/.unpacked: %.ttar
 	@echo ">> extracting fixtures"
 	./ttar -C $(dir $*) -x -f $*.ttar