Add codecov

.circleci/config.yml

@@ -3,6 +3,7 @@ version: 2.1
 
 orbs:
   prometheus: prometheus/prometheus@0.4.0
+  codecov: codecov/codecov@1.0.5
 
 executors:
   # Whenever the Go version is updated here, .promu.yml should
@@ -17,6 +18,9 @@ jobs:
     steps:
     - prometheus/setup_environment
     - run: make
+    - run: make coverage
+    - codecov/upload:
+        file: coverage.txt
     - prometheus/store_artifact:
         file: cgroup_exporter
   build:

.gitignore

@@ -1,3 +1,4 @@
 /.tarballs
 /.build
 /cgroup_exporter
+/coverage.txt

Makefile

@@ -5,3 +5,6 @@ DOCKER_REPO	 ?= treydock
 include Makefile.common
 
 DOCKER_IMAGE_NAME ?= cgroup_exporter
+
+coverage:
+	go test -race -coverpkg=./... -coverprofile=coverage.txt -covermode=atomic ./...

README.md

@@ -3,6 +3,7 @@
 [![Build Status](https://circleci.com/gh/treydock/cgroup_exporter/tree/master.svg?style=shield)](https://circleci.com/gh/treydock/cgroup_exporter)
 [![GitHub release](https://img.shields.io/github/v/release/treydock/cgroup_exporter?include_prereleases&sort=semver)](https://github.com/treydock/cgroup_exporter/releases/latest)
 ![GitHub All Releases](https://img.shields.io/github/downloads/treydock/cgroup_exporter/total)
+[![codecov](https://codecov.io/gh/treydock/cgroup_exporter/branch/master/graph/badge.svg)](https://codecov.io/gh/treydock/cgroup_exporter)
 
 # Check mount Prometheus exporter