Rework CI integration tests

.circleci/config.yml

@@ -42,7 +42,67 @@ commands:
             IMAGE_TAG_HELM_MINOR="${PLUGIN_VERSION}-helm${HELM_VERSION%*.*}"
             docker tag ${IMAGE_NAME}:local ${IMAGE_NAME}:${IMAGE_TAG_HELM_MINOR}
             docker push ${IMAGE_NAME}:${IMAGE_TAG_HELM_MINOR}
+  run_integration_tests:
+    description: "Runs integration tests"
+    parameters:
+      helm_version:
+        type: string
+    steps:
+      - run:
+          name: Prepare environment
+          command: |
+            tmp_dir="$(mktemp -d)"
+            echo "export IT_PLUGIN_VERSION=commit.${CIRCLE_SHA1}" >> $BASH_ENV
+            echo "export IT_TEMP_DIR=${tmp_dir}" >> $BASH_ENV
+            echo "export IT_HELM_VERSION=<< parameters.helm_version >>" >> $BASH_ENV
+      - run:
+          name: Install helm
+          command: |
+            curl -sSL https://get.helm.sh/helm-v${IT_HELM_VERSION}-linux-amd64.tar.gz | tar xz
+            mv linux-amd64/helm ${GOPATH}/bin/helm
+            rm -rf linux-amd64
+
+            # Run `helm init` only for helm v2
+            if [ "${IT_HELM_VERSION:0:1}" == "2" ]; then
+              helm init --client-only
+            fi
+
+            # Add `stable` repo only for helm v3
+            if [ "${IT_HELM_VERSION:0:1}" == "3" ]; then
+              helm repo add stable https://kubernetes-charts.storage.googleapis.com/
+            fi
+      - run:
+          name: Build and install the plugin
+          command: |
+            go build -o bin/helms3 \
+              -mod=vendor \
+              -ldflags "-X main.version=${IT_PLUGIN_VERSION}" \
+              ./cmd/helms3
+
+            # Copy plugin directory to outside of the CircleCI workspace.
+            cp -r /go/src/github.com/hypnoglow/helm-s3 ${IT_TEMP_DIR}
 
+            # Correct the plugin manifest to make installation purely local
+            cd ${IT_TEMP_DIR}/helm-s3
+            sed -i "/^hooks:/,+2 d" plugin.yaml
+            sed -i "s/^version:.*$/version: ${IT_PLUGIN_VERSION}/" plugin.yaml
+
+            helm plugin install ${IT_TEMP_DIR}/helm-s3
+      - run:
+          name: Install minio client, prepare minio
+          command: |
+            curl -sSL https://dl.minio.io/client/mc/release/linux-amd64/mc -o ${GOPATH}/bin/mc
+            chmod +x ${GOPATH}/bin/mc
+            mc config host add helm-s3-minio http://${AWS_ENDPOINT} ${AWS_ACCESS_KEY_ID} ${AWS_SECRET_ACCESS_KEY}
+            mc mb helm-s3-minio/test-bucket
+      - run:
+          name: Run (legacy) integration tests
+          command: |
+            ./hack/integration-tests.sh
+      - run:
+          name: Run e2e tests
+          command: |
+            go test -v ./tests/e2e/...
 jobs:
   dep:
     docker:
@@ -69,7 +129,51 @@ jobs:
           at: /go/src/github.com/hypnoglow
       - run: ./.circleci/testcover.sh
       - run: bash <(curl -s https://codecov.io/bash)
-  test-integration-and-e2e:
+  test-integration-helm-2_14:
+    docker:
+      - image: circleci/golang:1.12
+        environment:
+          GO111MODULE: "on"
+          AWS_ACCESS_KEY_ID: EXAMPLEKEY123
+          AWS_SECRET_ACCESS_KEY: EXAMPLESECRET123456
+          AWS_DEFAULT_REGION: us-east-1
+          AWS_ENDPOINT: helm-s3-minio:9000
+          AWS_DISABLE_SSL: true
+      - image: minio/minio:latest
+        name: helm-s3-minio
+        environment:
+          MINIO_ACCESS_KEY: EXAMPLEKEY123
+          MINIO_SECRET_KEY: EXAMPLESECRET123456
+        command: ["server", "/data"]
+    working_directory: /go/src/github.com/hypnoglow/helm-s3
+    steps:
+      - attach_workspace:
+          at: /go/src/github.com/hypnoglow
+      - run_integration_tests:
+          helm_version: 2.14.3
+  test-integration-helm-3_0:
+    docker:
+      - image: circleci/golang:1.12
+        environment:
+          GO111MODULE: "on"
+          AWS_ACCESS_KEY_ID: EXAMPLEKEY123
+          AWS_SECRET_ACCESS_KEY: EXAMPLESECRET123456
+          AWS_DEFAULT_REGION: us-east-1
+          AWS_ENDPOINT: helm-s3-minio:9000
+          AWS_DISABLE_SSL: true
+      - image: minio/minio:latest
+        name: helm-s3-minio
+        environment:
+          MINIO_ACCESS_KEY: EXAMPLEKEY123
+          MINIO_SECRET_KEY: EXAMPLESECRET123456
+        command: ["server", "/data"]
+    working_directory: /go/src/github.com/hypnoglow/helm-s3
+    steps:
+      - attach_workspace:
+          at: /go/src/github.com/hypnoglow
+      - run_integration_tests:
+          helm_version: 3.0.0
+  test-integration-and-e2e: # TODO: Rework
     docker:
       - image: circleci/golang:1.12
         environment:
@@ -216,6 +320,12 @@ workflows:
       - test-unit:
           requires:
             - dep
+      - test-integration-helm-2_14:
+          requires:
+            - dep
+      - test-integration-helm-3_0:
+          requires:
+            - dep
       - test-integration-and-e2e:
           requires:
             - dep