Run coverage in CI

Signed-off-by: Joffrey F <joffrey@docker.com>

Author: shin-

Dockerfile

@@ -6,7 +6,8 @@ ARG TAG=unknown
 FROM golang:${GO_VERSION}-alpine${ALPINE_VERSION} AS build
 RUN apk add --no-cache \
   build-base \
-  git
+  git \
+  util-linux
 WORKDIR /go/src/github.com/docker/lunchbox/
 COPY . .
 

Jenkinsfile

@@ -35,7 +35,7 @@ pipeline {
                                 archiveArtifacts '*.tar.gz'
                             }
                         } finally {
-                            def clean_images = /docker image ls --format "{{.ID}}\t{{.Tag}}" | grep $(git describe --always --dirty) | awk '{print $1}' | xargs docker image rm/
+                            def clean_images = /docker image ls --format "{{.ID}}\t{{.Tag}}" | grep $(git describe --always --dirty) | awk '{print $1}' | xargs docker image rm -f/
                             sh clean_images
                         }
                     }
@@ -44,6 +44,20 @@ pipeline {
         }
         stage('Test') {
             parallel {
+                stage("Coverage report") {
+                    agent {
+                        label 'gcp-linux-worker-0'
+                    }
+                    steps {
+                        dir('src/github.com/docker/lunchbox') {
+                            sh 'ls -la'
+                            sh 'make ci-coverage'
+                            archiveArtifacts 'cov/all.out'
+                            archiveArtifacts 'cov/coverage.html'
+                            sh 'curl -s https://codecov.io/bash | bash -s - -t 0b5323a7-aa90-4855-95ad-c859a917d611 -f cov/all.out -C'
+                        }
+                    }
+                }
                 stage("Test Linux") {
                     agent {
                         label 'linux'

Makefile

@@ -102,6 +102,8 @@ clean:
 # Continuous Integration #
 ##########################
 
+COV_LABEL := com.docker.lunchbox.cov-run=$(TAG)
+
 ci-lint:
 	@echo "Linting..."
 	docker build -t $(IMAGE_NAME)-lint:$(TAG) $(IMAGE_BUILD_ARGS) -f Dockerfile.lint . --target=lint-image
@@ -111,6 +113,11 @@ ci-test:
 	@echo "Testing..."
 	docker build -t $(IMAGE_NAME)-test:$(TAG) $(IMAGE_BUILD_ARGS) . --target=test
 
+ci-coverage:
+	docker build --target=build -t $(IMAGE_NAME)-cov:$(TAG) $(IMAGE_BUILD_ARGS) .
+	docker run --label $(COV_LABEL) $(IMAGE_NAME)-cov:$(TAG) make COMMIT=$(TAG) TAG=$(COMMIT) coverage
+	docker cp $$(docker ps -aql --filter label=$(COV_LABEL)):$(PKG_PATH)/_build/cov/ ./cov
+
 ci-bin-all:
 	docker build -t $(IMAGE_NAME)-bin-all:$(TAG) $(IMAGE_BUILD_ARGS) . --target=bin-build
 	$(foreach OS, $(OS_LIST), docker run --rm $(IMAGE_NAME)-bin-all:$(TAG) tar -cz -C $(PKG_PATH)/_build $(BIN_NAME)-$(OS)$(if $(filter windows, $(OS)),.exe,) > $(BIN_NAME)-$(OS)-$(TAG).tar.gz || exit 1;)
@@ -121,5 +128,5 @@ ci-gradle-test:
 	  -e GRADLE_USER_HOME=/tmp/gradle \
 	  gradle:jdk8 bash -c "cd /gradle && gradle --stacktrace build && cd example && gradle renderIt"
 
-.PHONY: bin bin-all release test check lint test-cov e2e-test e2e-all unit-test coverage coverage-bin clean ci-lint ci-test ci-bin-all ci-e2e-all ci-gradle-test
+.PHONY: bin bin-all release test check lint test-cov e2e-test e2e-all unit-test coverage coverage-bin clean ci-lint ci-test ci-coverage ci-bin-all ci-e2e-all ci-gradle-test
 .DEFAULT: all