Migrate to Gitlab CI

Signed-off-by: Valdas Petrulis <petrulis.valdas@gmail.com>

Author: Waldz

.gitlab-ci.yml

@@ -0,0 +1,27 @@
+stages:
+  - test
+
+variables:
+  GO_PACKAGE: github.com/mysteriumnetwork/go-openvpn
+  GIT_CLONE_PATH: /home/gitlab-runner/go/src/$GO_PACKAGE
+  GOFLAGS: "-count=1" # Supersedes GOCACHE=off, see: https://github.com/golang/go/issues/29378#issuecomment-449383809
+
+checks:
+  stage: test
+  tags: [go]
+  script: go run mage.go -v Check
+
+test:
+  stage: test
+  tags: [go]
+  script: go run mage.go Test
+
+check-binaries:
+  stage: test
+  tags: [go]
+  script: ./check-all.sh
+
+go-report:
+  stage: test
+  tags: [go]
+  script: go run mage.go GoReport

.travis.yml

@@ -1,6 +1,6 @@
 # go-openvpn
 
-[![Build Status](https://travis-ci.com/mysteriumnetwork/go-openvpn.svg?branch=master)](https://travis-ci.com/mysteriumnetwork/go-openvpn)
+[![pipeline status](https://gitlab.com/mysteriumnetwork/go-openvpn/badges/master/pipeline.svg)](https://gitlab.com/mysteriumnetwork/go-openvpn/pipelines)
 [![Go Report Card](https://goreportcard.com/badge/github.com/mysteriumnetwork/go-openvpn)](https://goreportcard.com/report/github.com/mysteriumnetwork/go-openvpn)
 
 Go gettable library for wrapping openvpn functionality in go way.