Support/gitlab develop (#168)

* Added code_quality to CI

* Update .gitlab-ci.yml

.gitlab-ci.yml

@@ -29,4 +29,26 @@ test:
     - ./tests/chain_test
     - ./tests/cli_test
   tags:
-    - builder
+    - builder
+
+code_quality:
+  stage: test
+  image: docker:stable
+  variables:
+    DOCKER_DRIVER: overlay2
+  allow_failure: true
+  services:
+    - docker:stable-dind
+  script:
+    - export SP_VERSION=$(echo "$CI_SERVER_VERSION" | sed 's/^\([0-9]*\)\.\([0-9]*\).*/\1-\2-stable/')
+    - docker run
+        --env SOURCE_CODE="$PWD"
+        --volume "$PWD":/code
+        --volume /var/run/docker.sock:/var/run/docker.sock
+        "registry.gitlab.com/gitlab-org/security-products/codequality:$SP_VERSION" /code
+  artifacts:
+    paths: [gl-code-quality-report.json]
+    expire_in: 1 week
+  except:
+    variables:
+      - $CODE_QUALITY_DISABLED