enable golang e2e test in CI (#85)

Signed-off-by: Yingchun Guo <yingchun.guo@intel.com>

Author: daisy-ycguo

.github/workflows/go-e2e.yaml

@@ -0,0 +1,71 @@
+# Copyright (C) 2024 Intel Corporation
+# SPDX-License-Identifier: Apache-2.0
+
+name: Golang E2e Tests
+
+on:
+  pull_request:
+    branches: [main]
+    types: [opened, reopened, ready_for_review, synchronize] # added `ready_for_review` since draft is skipped
+    paths:
+      - microservices-connector/**
+  workflow_dispatch:
+
+# If there is a new commit, the previous jobs will be canceled
+concurrency:
+  group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.ref }}
+  cancel-in-progress: true
+
+env:
+  GOSRC_DIR: "microservices-connector"
+
+jobs:
+  go-e2e:
+    runs-on: k8s
+    steps:
+      - name: Checkout out Repo
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+
+      - name: Set variables
+        run: |
+          echo "SYSTEM_NAMESPACE=opea-system-$(date +%Y%m%d%H%M%S)" >> $GITHUB_ENV
+          echo "APP_NAMESPACE=chatqna-$(date +%Y%m%d%H%M%S)" >> $GITHUB_ENV
+          echo "DOCKER_REGISTRY=$OPEA_IMAGE_REPO/opea" >> $GITHUB_ENV
+          echo "VERSION=${{ github.event.pull_request.head.sha }}" >> $GITHUB_ENV
+          echo "should_cleanup=false" >> $GITHUB_ENV
+          echo "skip_validate=false" >> $GITHUB_ENV
+
+      - name: Build image and push
+        run: |
+          cd $GOSRC_DIR
+          make docker.build
+          make docker.push
+
+      - name: Install modules
+        run: |
+          echo "should_cleanup=true" >> $GITHUB_ENV
+          .github/workflows/scripts/e2e/go_test.sh install_gmc
+          exit_status=$$?$$
+          if [ $$exit_status -ne 0 ]; then
+            echo "Failed to install modules"
+            echo "skip_validate=true" >> $GITHUB_ENV
+          fi
+
+      - name: Run e2e tests
+        run: |
+          # export DOCKER_REGISTRY={{ env.DOCKER_REGISTRY }}
+          # export VERSION={{ env.VERSION }}
+          if $skip_validate; then
+            echo "Skip validate"
+          else
+            .github/workflows/scripts/e2e/go_test.sh validate_gmc
+          fi
+
+      - name: Cleanup modules
+        if: always()
+        run: |
+          if $should_cleanup; then
+            .github/workflows/scripts/e2e/go_test.sh cleanup_gmc
+          fi

.github/workflows/scripts/e2e/go_test.sh

@@ -0,0 +1,46 @@
+#!/bin/bash
+# Copyright (C) 2024 Intel Corporation
+# SPDX-License-Identifier: Apache-2.0
+
+set -xe
+USER_ID=$(whoami)
+LOG_PATH=/home/$(whoami)/logs
+MOUNT_DIR=/home/$USER_ID/charts-mnt
+IMAGE_REPO=${OPEA_IMAGE_REPO:-docker.io}
+
+function install_gmc() {
+    # Make sure you have to use image tag $VERSION for microservice-connector installation
+    echo "install microservice-connector, using repo $DOCKER_REGISTRY and tag $VERSION"
+    echo "using namespace $SYSTEM_NAMESPACE and $APP_NAMESPACE"
+}
+
+function validate_gmc() {
+    echo "validate microservice-connector"
+}
+
+function cleanup_gmc() {
+    echo "clean up microservice-connector"
+    # clean up the images
+    docker rmi $DOCKER_REGISTRY/gmcrouter:$VERSION
+    docker rmi $DOCKER_REGISTRY/gmcmanager:$VERSION
+}
+
+if [ $# -eq 0 ]; then
+    echo "Usage: $0 <function_name>"
+    exit 1
+fi
+
+case "$1" in
+    install_gmc)
+        install_gmc
+        ;;
+    validate_gmc)
+        validate_gmc
+        ;;
+    cleanup_gmc)
+        cleanup_gmc
+        ;;
+    *)
+        echo "Unknown function: $1"
+        ;;
+esac