Cache go dependencies

.gitlab-ci.yml

@@ -7,15 +7,14 @@ variables:
   MYSQL_PASSWORD: tester
   MYSQL_DATABASE: akamu
 
-# The problem is that to be able to use go get, one needs to put
-# the repository in the $GOPATH. So for example if your gitlab domain
-# is gitlab.com, and that your repository is namespace/project, and
-# the default GOPATH being /go, then you'd need to have your
-# repository in /go/src/gitlab.com/namespace/project
-# Thus, making a symbolic link corrects this.
-before_script:
-  - mkdir -p $GOPATH/src/$(dirname $REPO_NAME)
-  - ln -svf $CI_PROJECT_DIR $GOPATH/src/$REPO_NAME
+.go-cache:
+  variables:
+    GOPATH: $CI_PROJECT_DIR/.go
+  before_script:
+    - mkdir -p .go
+  cache:
+    paths:
+      - .go/pkg/mod/
 
 stages:
   - test
@@ -24,21 +23,19 @@ stages:
 
 precheck:
   stage: test
+  extends: .go-cache
   script:
-    - cd $GOPATH/src/$REPO_NAME
     - git config --global url."https://gitlab-ci-token:${CI_JOB_TOKEN}@gitlab.akamu.de/".insteadOf "https://gitlab.akamu.de/"
-    - go get ./...
     - go fmt $(go list ./... | grep -v /vendor/)
     - go vet $(go list ./... | grep -v /vendor/)
 
 unittest:
   stage: test
+  extends: .go-cache
   script:
-    - cd $GOPATH/src/$REPO_NAME
     - git config --global url."https://gitlab-ci-token:${CI_JOB_TOKEN}@gitlab.akamu.de/".insteadOf "https://gitlab.akamu.de/"
-    - go get ./...
     - go get -u github.com/jstemmer/go-junit-report
-    - go test ./test -v 2>&1 | go-junit-report > report-unit.xml
+    - go test ./test -v 2>&1 | $GOPATH/bin/go-junit-report > report-unit.xml
   artifacts:
     reports:
       junit: report-unit.xml
@@ -47,8 +44,8 @@ e2etest:
   stage: test
   services:
     - mariadb:latest
+  extends: .go-cache
   script:
-    - cd $GOPATH/src/$REPO_NAME
     - git config --global url."https://gitlab-ci-token:${CI_JOB_TOKEN}@gitlab.akamu.de/".insteadOf "https://gitlab.akamu.de/"
     - apt-get update && apt-get -y install mariadb-client
     - git clone --depth 1 --single-branch -b development https://gitlab-ci-token:${CI_JOB_TOKEN}@gitlab.akamu.de/akamu/data-schemas $HOME/data-schemas
@@ -57,19 +54,17 @@ e2etest:
     - TEST_CONFIGFILE=$CI_PROJECT_DIR/test/e2e/testconfig.json
     - TEST_DATAFILE=$CI_PROJECT_DIR/resources/data/testdata.sql
     - echo "{\"jwt-secret\":\"akamu\",\"database\":{\"name\":\"$MYSQL_DATABASE\",\"user\":\"$MYSQL_USER\",\"host\":\"mariadb\",\"password\":\"$MYSQL_PASSWORD\"}}" > $TEST_CONFIGFILE
-    - go get ./...
     - go get -u github.com/jstemmer/go-junit-report
-    - TEST_DATAFILE=$TEST_DATAFILE TEST_CONFIGFILE=$TEST_CONFIGFILE go test ./test/e2e  -v 2>&1 | go-junit-report > report-e2e.xml
+    - TEST_DATAFILE=$TEST_DATAFILE TEST_CONFIGFILE=$TEST_CONFIGFILE go test ./test/e2e  -v 2>&1 | $GOPATH/bin/go-junit-report > report-e2e.xml
   artifacts:
     reports:
       junit: report-e2e.xml
 
 compile:
   stage: build
+  extends: .go-cache
   script:
-    - cd $GOPATH/src/$REPO_NAME
     - git config --global url."https://gitlab-ci-token:${CI_JOB_TOKEN}@gitlab.akamu.de/".insteadOf "https://gitlab.akamu.de/"
-    - go get ./...
     - GOOS=linux GOARCH=amd64 go build -tags netgo -a -ldflags "-extldflags '-static' -X 'gitlab.akamu.de/akamu/game-server-go/version.Identifier=$(< MILESTONE)' -X 'gitlab.akamu.de/akamu/game-server-go/version.Commit=$CI_COMMIT_SHORT_SHA' -X 'gitlab.akamu.de/akamu/game-server-go/version.Environment=$CI_COMMIT_REF_NAME' -X 'gitlab.akamu.de/akamu/game-server-go/version.Pipeline=$CI_PIPELINE_ID' -X 'gitlab.akamu.de/akamu/game-server-go/version.Job=$CI_JOB_ID' -X 'gitlab.akamu.de/akamu/game-server-go/version.BuiltOn=$(date)'" -o $CI_PROJECT_DIR/linux
   artifacts:
     paths: