Build pipeline and image (#1)

* added initial pipeline

* improve(codebase) dependencies tracking and local build environment

* improve(pipeline) support docker publishing

* improve(docker) adjusted base to stretch

.dockerignore

@@ -0,0 +1 @@
+.go

.gitignore

@@ -1 +1,5 @@
+.go
+.idea
 /trafficmirror
+vendor
+trafficmirror

.gitlab-ci.yml

@@ -0,0 +1,50 @@
+variables:
+  GL_URL: github.com/rb3ckers
+  GO_PROJECT_NAMESPACE: trafficmirror
+  IMAGE_FAMILY: voronenko/trafficmirror
+  CI_REGISTRY: docker.io
+
+.prep_go: &prep_go
+  before_script:
+#    - export GL_URL=$(echo ${CI_PROJECT_URL:-https://github.com/rb3ckers/trafficmirror} | awk -F/ '{print $3}')
+    - echo export GO_PROJECT_PATH="$GOPATH/src/$GL_URL/$GO_PROJECT_NAMESPACE"
+    - export GO_PROJECT_PATH="$GOPATH/src/$GL_URL/$GO_PROJECT_NAMESPACE"
+    - rm -rf $GOPATH/src/$GL_URL
+    - mkdir -p $GOPATH/src/$GL_URL
+    - echo ln -s $(pwd) $GO_PROJECT_PATH
+    - ln -s $(pwd) $GO_PROJECT_PATH
+    - cd $GO_PROJECT_PATH
+
+stages:
+  - build
+  - docker_build
+#  - taglatest
+
+go_build:
+  <<: *prep_go
+  stage: build
+  image: golang:1.11
+  script:
+    - go get github.com/golang/dep/cmd/dep
+    - dep ensure
+    - mkdir -p build
+    - env GOOS=linux GOARCH=amd64 go build -o build/trafficmirror
+    - ls -la $GO_PROJECT_PATH/
+  artifacts:
+    paths:
+      - build
+    expire_in: 1 week
+
+docker_build:
+  stage: docker_build
+  image: docker:latest
+  dependencies:
+    - go_build
+  services:
+    - docker:dind
+  script:
+#    - echo "$CI_REGISTRY_PASSWORD" | docker login -u "$CI_REGISTRY_USER" "$CI_REGISTRY" --password-stdin
+    - docker login -u "$CI_REGISTRY_USER" -p "$CI_REGISTRY_PASSWORD" $CI_REGISTRY
+    - docker build -t $IMAGE_FAMILY:${CI_COMMIT_TAG:-dirty} .
+    - echo docker push $IMAGE_FAMILY:${CI_COMMIT_TAG:-dirty}
+    - docker push $IMAGE_FAMILY:${CI_COMMIT_TAG:-dirty}

Dockerfile

@@ -0,0 +1,7 @@
+FROM debian:stretch
+
+ADD build/trafficmirror /trafficmirror
+
+CMD ["trafficmirror"]
+
+EXPOSE 8080

Gopkg.toml

@@ -0,0 +1,34 @@
+# Gopkg.toml example
+#
+# Refer to https://golang.github.io/dep/docs/Gopkg.toml.html
+# for detailed Gopkg.toml documentation.
+#
+# required = ["github.com/user/thing/cmd/thing"]
+# ignored = ["github.com/user/project/pkgX", "bitbucket.org/user/project/pkgA/pkgY"]
+#
+# [[constraint]]
+#   name = "github.com/user/project"
+#   version = "1.0.0"
+#
+# [[constraint]]
+#   name = "github.com/user/project2"
+#   branch = "dev"
+#   source = "github.com/myfork/project2"
+#
+# [[override]]
+#   name = "github.com/x/y"
+#   version = "2.4.0"
+#
+# [prune]
+#   non-go = false
+#   go-tests = true
+#   unused-packages = true
+
+
+[[constraint]]
+  name = "github.com/sony/gobreaker"
+  version = "0.4.0"
+
+[prune]
+  go-tests = true
+  unused-packages = true

Makefile

@@ -0,0 +1,11 @@
+SHELL := /bin/bash
+
+clean:
+	rm -rf build
+
+build:
+	source build-env.sh && \
+	cd $(GO_PROJECT_PATH) && \
+	dep ensure && \
+	mkdir -p build && \
+	GOOS=linux GOARCH=amd64 go build -o build/trafficmirror

build-env.sh

@@ -0,0 +1,12 @@
+# use with source
+export GL_URL=github.com/rb3ckers
+export GO_PROJECT_NAMESPACE=trafficmirror
+if [ ! -d $(pwd)/.go ]
+then
+mkdir -p $(pwd)/.go/src/$GL_URL
+ln -s $(pwd) $(pwd)/.go/src/$GL_URL/$GO_PROJECT_NAMESPACE
+fi
+export GOPATH=$(pwd)/.go
+export GOBIN=$GOPATH/bin
+export PATH=$GOBIN:$PATH
+export GO_PROJECT_PATH=$(pwd)/.go/src/$GL_URL/$GO_PROJECT_NAMESPACE