Merge branch '47-dockerfile' into 'v.0.1.0-codename-threadbare'

Resolve "Dockerfile"

See merge request cocsn/gosdn!63

.gitlab-ci.yml

@@ -3,7 +3,8 @@ variables:
 
 stages:
   - test
-  - documentation
+  - build
+  - deploy
 
 before_script:
   - git config --global url."https://$GO_MODULES_USER:$GO_MODULES_ACCESS_TOKEN@code.fbi.h-da.de".insteadOf "https://code.fbi.h-da.de"
@@ -12,3 +13,4 @@ include:
   - local: '/build/ci/.code-quality-ci.yml'
   - local: '/build/ci/.documentation-ci.yml'
   - local: '/build/ci/.security-and-compliance-ci.yml'
+  - local: '/build/ci/.build-container.yml'
\ No newline at end of file

Dockerfile

+FROM golang:1.15-alpine AS builder
+ARG GITLAB_USER
+ARG GITLAB_TOKEN
+WORKDIR /src/gosdn
+COPY . .
+RUN apk add git
+RUN git config --global url."https://$GITLAB_USER:$GITLAB_TOKEN@code.fbi.h-da.de".insteadOf "https://code.fbi.h-da.de"
+RUN go mod download
+RUN CGO_ENABLED=0 GOOS=linux go build ./cmd/gosdn
+
+FROM alpine:latest
+EXPOSE 8443
+EXPOSE 55055
+COPY --from=builder /src/gosdn/gosdn .
+COPY --from=builder /src/gosdn/configs ./configs
+
+ENTRYPOINT [ "./gosdn" ]
+CMD [""]

build/ci/.build-container.yml

+variables:
+  DOCKER_IMAGE_SHA: $CI_REGISTRY_IMAGE:$CI_COMMIT_SHA
+
+build:docker:
+  stage: build
+  tags:
+    - baremetal
+  rules:
+    - if: $CI_PIPELINE_SOURCE == "merge_request_event" && $CI_MERGE_REQUEST_TARGET_BRANCH_NAME == $CI_DEFAULT_BRANCH
+    - if: $CI_COMMIT_BRANCH == $CI_DEFAULT_BRANCH
+  script:
+    - >
+      docker build \
+        --build-arg GITLAB_USER=$GO_MODULES_USER \
+        --build-arg GITLAB_TOKEN=$GO_MODULES_ACCESS_TOKEN \
+        -t $DOCKER_IMAGE_SHA .
+
+.deploy: &deploy
+  stage: deploy
+  needs: ["build:docker"]
+  tags:
+    - baremetal
+  script:
+    - docker login -u gitlab-ci-token -p $CI_JOB_TOKEN $CI_REGISTRY
+    - docker tag $DOCKER_IMAGE_SHA $TAG
+    - docker push $TAG
+
+deploy:develop:
+  variables:
+    TAG: $CI_REGISTRY_IMAGE:develop
+  rules:
+    - if: $CI_PIPELINE_SOURCE == "merge_request_event" && $CI_MERGE_REQUEST_TARGET_BRANCH_NAME == $CI_DEFAULT_BRANCH
+  <<: *deploy
+
+deploy:tagged:
+  variables:
+    TAG: $CI_REGISTRY_IMAGE:CI_COMMIT_TAG
+  rules:
+    - if: $CI_COMMIT_TAG
+  <<: *deploy
+
+deploy:latest:
+  variables:
+    TAG: $CI_REGISTRY_IMAGE:latest
+  rules:
+    - if: $CI_COMMIT_BRANCH == $CI_DEFAULT_BRANCH
+  <<: *deploy
\ No newline at end of file

build/ci/.documentation-ci.yml

@@ -5,7 +5,7 @@ documentation:pdf:
     name: pandoc/latex
     entrypoint:
     - ''
-  stage: documentation
+  stage: deploy
   rules:
     - changes:
       - documentation/design/*.md
@@ -22,7 +22,7 @@ documentation:pdf:
       - cargo install mdbook
   image:
     name: rust:latest
-  stage: documentation
+  stage: deploy
   script:
   - mdbook build documentation --dest-dir public
   cache:

cmd/gosdn/main.go

@@ -4,13 +4,12 @@ import (
 	"code.fbi.h-da.de/cocsn/gosdn/log"
 	"code.fbi.h-da.de/cocsn/gosdn/nucleus"
 	"flag"
-	"log/syslog"
 )
 
 func main() {
 
 	// register our supported flags
-	cliListenAddr := flag.String("cli-listen-addr", "localhost", "The IP address of the grpcCLI.")
+	cliListenAddr := flag.String("cli-listen-addr", "", "The IP address of the grpcCLI.")
 	cliListenPort := flag.String("cli-server-port", "55055", "The port number of the grpcCLI")
 	configFileName := flag.String("config-file", "", "Path to the config file")
 
@@ -18,16 +17,6 @@ func main() {
 	cliSocket := *cliListenAddr + ":" + *cliListenPort
 
 	log.Loglevel(log.DEBUG)
-	syslogWriter, err := syslog.New(syslog.LOG_ALERT, "gosdn")
-	defer func() {
-		if err := syslogWriter.Close(); err != nil {
-			log.Fatal(err)
-		}
-	}()
-	if err != nil {
-		log.Fatal(err)
-	}
-	log.LoglevelOutput(log.INFO, syslogWriter)
 
 	// Setup a channel to communicate if goSDN should shutdown.
 	IsRunningChannel := make(chan bool)