Migrate to GitHub Actions (#20)

* remove circleci

* test CI

* use dockerhub again

* remove ghcr.io

* try docker login via actions

* cleanup

* update promu

.github/dependabot.yml

@@ -1,8 +1,18 @@
 version: 2
 updates:
-- package-ecosystem: gomod
-  directory: "/"
-  schedule:
-    interval: daily
-    time: "04:00"
-  open-pull-requests-limit: 10
+
+  - package-ecosystem: gomod
+    directory: "/"
+    target-branch: "main"
+    schedule:
+      interval: weekly
+      time: "04:00"
+    open-pull-requests-limit: 10
+
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    target-branch: "main"
+    schedule:
+      interval: "weekly"
+      time: "04:00"
+    open-pull-requests-limit: 10

.github/release-drafter.yml

@@ -0,0 +1,34 @@
+name-template: 'v$RESOLVED_VERSION'
+tag-template: 'v$RESOLVED_VERSION'
+
+categories:
+  - title: 'Features'
+    labels:
+      - 'feature'
+  - title: 'Bugs'
+    labels:
+      - 'bug'
+      - 'fix'
+  - title: 'Maintenance'
+    labels: 
+      - 'chore'
+
+change-template: '- $TITLE @$AUTHOR (#$NUMBER)'
+change-title-escapes: '\<*_&'
+
+version-resolver:
+  default: patch
+  major:
+    labels:
+      - 'major'
+  minor:
+    labels:
+      - 'minor'
+  patch:
+    labels:
+      - 'patch'
+
+template: |
+  ## Changes
+
+  $CHANGES

.github/workflows/ci.yml

@@ -0,0 +1,28 @@
+name: CI
+
+on: 
+  workflow_dispatch:
+  push:
+    branches-ignore:
+      - main
+  pull_request:
+    types: [opened]
+
+jobs:
+  build:
+    name: Build
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+
+      - name: Setup
+        uses: actions/setup-go@v2
+        with:
+          go-version: '^1.12'
+
+      - name: Build
+        run: make build
+
+      - name: Container - Build    
+        run: docker build .      

.github/workflows/deploy-main.yml

@@ -0,0 +1,37 @@
+name: Deploy Main
+
+on:
+  push:
+    branches:
+      - main
+
+env:
+  REGISTRY: containersol/locust_exporter
+
+jobs:
+  build:
+    name: Build
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+
+      - name: Setup
+        uses: actions/setup-go@v2
+        with:
+          go-version: '^1.12'
+
+      - name: Build
+        run: make build
+
+      - name: Container - Login
+        uses: docker/login-action@v1
+        with:
+          username: ${{ secrets.DOCKERHUB_USER }}
+          password: ${{ secrets.DOCKERHUB_PASS }}
+
+      - name: Container - Build    
+        run: docker build -t ${{ env.REGISTRY }}:latest .
+
+      - name: Container - Push    
+        run: docker push ${{ env.REGISTRY }}:latest

.github/workflows/deploy-release.yml

@@ -0,0 +1,38 @@
+name: Deploy Release
+
+on:
+  release:
+    types:
+      - released
+
+env:
+  REGISTRY: containersol/locust_exporter
+
+jobs:
+  build:
+    name: Release
+    runs-on: ubuntu-latest
+    steps:
+
+      - name: Checkout
+        uses: actions/checkout@v2
+
+      - name: Setup
+        uses: actions/setup-go@v2
+        with:
+          go-version: '^1.12'
+
+      - name: Build
+        run: make build
+
+      - name: Container - Login
+        uses: docker/login-action@v1
+        with:
+          username: ${{ secrets.DOCKERHUB_USER }}
+          password: ${{ secrets.DOCKERHUB_PASS }}
+
+      - name: Container - Build    
+        run: docker build -t ${{ env.REGISTRY }}:$(echo $GITHUB_REF | sed -e "s/refs\/tags\///g") .
+
+      - name: Container - Push    
+        run: docker push ${{ env.REGISTRY }}:$(echo $GITHUB_REF | sed -e "s/refs\/tags\///g") 

.github/workflows/release-drafter.yml

@@ -0,0 +1,14 @@
+name: Release Drafter
+
+on:
+  push:
+    branches:
+      - main
+
+jobs:
+  update_release_draft:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: release-drafter/release-drafter@v5
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

.promu.yml

@@ -1,4 +1,4 @@
-verbose: true
+verbose: false
 go:
   version: 1.12
   cgo: false

Dockerfile

@@ -1,11 +1,7 @@
-FROM golang:alpine AS builder
-RUN apk update && apk add --no-cache git
-WORKDIR $GOPATH/src/ContainerSolutions/locust_exporter/
-COPY . .
-RUN GO111MODULE=on go mod download
+FROM scratch
+EXPOSE 9646
+USER 1000
 
-RUN CGO_ENABLED=0 GOOS=linux GOARCH=amd64 GO111MODULE=on go build -a -installsuffix cgo -ldflags="-w -s" -o /go/bin/locust_exporter
+COPY locust_exporter /bin/locust_exporter
 
-FROM scratch
-COPY --from=builder /go/bin/locust_exporter /go/bin/locust_exporter
-ENTRYPOINT ["/go/bin/locust_exporter"]
+ENTRYPOINT ["locust_exporter"]

Makefile

@@ -13,4 +13,5 @@
 
 include Makefile.common
 
-DOCKER_IMAGE_NAME       ?= locust_exporter
+## This is a copy!
+## https://github.com/prometheus/prometheus/blob/main/Makefile.common

Makefile.common

@@ -69,12 +69,21 @@ else
 	GO_BUILD_PLATFORM ?= $(GOHOSTOS)-$(GOHOSTARCH)
 endif
 
-PROMU_VERSION ?= 0.5.0
+GOTEST := $(GO) test
+GOTEST_DIR :=
+ifneq ($(CIRCLE_JOB),)
+ifneq ($(shell which gotestsum),)
+	GOTEST_DIR := test-results
+	GOTEST := gotestsum --junitfile $(GOTEST_DIR)/unit-tests.xml --
+endif
+endif
+
+PROMU_VERSION ?= 0.7.0
 PROMU_URL     := https://github.com/prometheus/promu/releases/download/v$(PROMU_VERSION)/promu-$(PROMU_VERSION).$(GO_BUILD_PLATFORM).tar.gz
 
 GOLANGCI_LINT :=
 GOLANGCI_LINT_OPTS ?=
-GOLANGCI_LINT_VERSION ?= v1.17.1
+GOLANGCI_LINT_VERSION ?= v1.36.0
 # golangci-lint only supports linux, darwin and windows platforms on i386/amd64.
 # windows isn't included here because of the path separator being different.
 ifeq ($(GOHOSTOS),$(filter $(GOHOSTOS),linux darwin))
@@ -141,15 +150,29 @@ else
 	$(GO) get $(GOOPTS) -t ./...
 endif
 
+.PHONY: update-go-deps
+update-go-deps:
+	@echo ">> updating Go dependencies"
+	@for m in $$($(GO) list -mod=readonly -m -f '{{ if and (not .Indirect) (not .Main)}}{{.Path}}{{end}}' all); do \
+		$(GO) get $$m; \
+	done
+	GO111MODULE=$(GO111MODULE) $(GO) mod tidy
+ifneq (,$(wildcard vendor))
+	GO111MODULE=$(GO111MODULE) $(GO) mod vendor
+endif
+
 .PHONY: common-test-short
-common-test-short:
+common-test-short: $(GOTEST_DIR)
 	@echo ">> running short tests"
-	GO111MODULE=$(GO111MODULE) $(GO) test -short $(GOOPTS) $(pkgs)
+	GO111MODULE=$(GO111MODULE) $(GOTEST) -short $(GOOPTS) $(pkgs)
 
 .PHONY: common-test
-common-test:
+common-test: $(GOTEST_DIR)
 	@echo ">> running all tests"
-	GO111MODULE=$(GO111MODULE) $(GO) test $(test-flags) $(GOOPTS) $(pkgs)
+	GO111MODULE=$(GO111MODULE) $(GOTEST) $(test-flags) $(GOOPTS) $(pkgs)
+
+$(GOTEST_DIR):
+	@mkdir -p $@
 
 .PHONY: common-format
 common-format:
@@ -201,7 +224,7 @@ endif
 .PHONY: common-build
 common-build: promu
 	@echo ">> building binaries"
-	GO111MODULE=$(GO111MODULE) $(PROMU) build --prefix $(PREFIX)
+	GO111MODULE=$(GO111MODULE) $(PROMU) build --prefix $(PREFIX) $(PROMU_BINARIES)
 
 .PHONY: common-tarball
 common-tarball: promu
@@ -222,10 +245,12 @@ common-docker-publish: $(PUBLISH_DOCKER_ARCHS)
 $(PUBLISH_DOCKER_ARCHS): common-docker-publish-%:
 	docker push "$(DOCKER_REPO)/$(DOCKER_IMAGE_NAME)-linux-$*:$(DOCKER_IMAGE_TAG)"
 
+DOCKER_MAJOR_VERSION_TAG = $(firstword $(subst ., ,$(shell cat VERSION)))
 .PHONY: common-docker-tag-latest $(TAG_DOCKER_ARCHS)
 common-docker-tag-latest: $(TAG_DOCKER_ARCHS)
 $(TAG_DOCKER_ARCHS): common-docker-tag-latest-%:
 	docker tag "$(DOCKER_REPO)/$(DOCKER_IMAGE_NAME)-linux-$*:$(DOCKER_IMAGE_TAG)" "$(DOCKER_REPO)/$(DOCKER_IMAGE_NAME)-linux-$*:latest"
+	docker tag "$(DOCKER_REPO)/$(DOCKER_IMAGE_NAME)-linux-$*:$(DOCKER_IMAGE_TAG)" "$(DOCKER_REPO)/$(DOCKER_IMAGE_NAME)-linux-$*:v$(DOCKER_MAJOR_VERSION_TAG)"
 
 .PHONY: common-docker-manifest
 common-docker-manifest:
@@ -274,4 +299,4 @@ $(1)_precheck:
 		echo "Execution of '$$(PRECHECK_COMMAND_$(1))' command failed. Is $(1) installed?"; \
 		exit 1; \
 	fi
-endef
+endef