split up circleCI jobs into parrallel workflows

.circleci/config.yml

@@ -1,13 +1,24 @@
 version: 2
 jobs:
   build:
-    working_directory: /home/circleci/.go_workspace/src/github.com/grafana/metrictank
-    machine: true
+    working_directory: /go/src/github.com/grafana/metrictank
+    docker:
+      - image: circleci/golang:1.9.1
     steps:
-      - run: go version
+      - checkout
       - run: echo $GOPATH
-      - run: docker version
-      - run: docker-compose version
+      - run: scripts/build.sh
+      - run: scripts/build_tools.sh
+      - run: scripts/build_docker.sh
+      - persist_to_workspace:
+          root: .
+          paths: build
+
+  qa:
+    working_directory: /go/src/github.com/grafana/metrictank
+    docker:
+      - image: circleci/golang:1.9.1
+    steps:
       - checkout
       - run: scripts/qa/gofmt.sh
       - run: scripts/qa/go-generate.sh
@@ -17,12 +28,26 @@ jobs:
       - run: scripts/qa/unused.sh
       - run: scripts/qa/vendor.sh
       - run: go vet ./...
-      - run: scripts/build.sh
-      - run: scripts/build_tools.sh
-      - run: scripts/build_docker.sh
-      - run: scripts/qa/docs.sh
       - run: go test -v -race $(go list ./... | grep -v github.com/grafana/metrictank/chaos)
+
+  qa-post-build:
+    working_directory: /home/circleci/.go_workspace/src/github.com/grafana/metrictank
+    machine: true
+    steps:
+      - attach_workspace:
+          at: build
+      - run: find . build
+      - run: scripts/qa/docs.sh
       - run: scripts/qa/end2end.sh
+
+  deploy:
+    working_directory: /go/src/github.com/grafana/metrictank
+    docker:
+      - image: circleci/golang:1.9
+    steps:
+      - attach_workspace:
+          at: build
+      - checkout
       - run: scripts/depends.sh
       - run: scripts/build_packages.sh
       - store_artifacts:
@@ -36,3 +61,18 @@ jobs:
               docker login -u $DOCKER_USER -p $DOCKER_PASS
               scripts/push/docker.sh
             fi
+
+workflows:
+  version: 2
+  build_accept_deploy:
+    jobs:
+      - build
+      - qa
+      - qa-post-build:
+          requires:
+            - build
+      - deploy:
+          requires:
+            - qa
+            - build
+            - qa-post-build