Move gradle-check code to its own scripts and upload codecov (#3742)

* Move gradle-check to script, add codecov, add comments

Signed-off-by: Peter Zhu <zhujiaxi@amazon.com>

* Add more improvements on comments handling

Signed-off-by: Peter Zhu <zhujiaxi@amazon.com>

* Add more comments

Signed-off-by: Peter Zhu <zhujiaxi@amazon.com>

.github/workflows/gradle-check.yml

@@ -16,58 +16,50 @@ jobs:
             echo "pr_title=$(jq --raw-output .pull_request.title $GITHUB_EVENT_PATH)" >> $GITHUB_ENV
             echo "pr_number=$(jq --raw-output .pull_request.number $GITHUB_EVENT_PATH)" >> $GITHUB_ENV
 
+      - name: Checkout opensearch-build repo
+        uses: actions/checkout@v2
+        with:
+          repository: opensearch-project/opensearch-build
+          ref: main
+
       - name: Trigger jenkins workflow to run gradle check
         run: |
-            echo "${{ env.pr_to_clone_url }} PR: ${{ env.pr_number }}"
-            echo "Raise from ${{ env.pr_from_clone_url }} ${{ env.pr_from_sha }}"
-            echo "PR Title: ${{ env.pr_title }}"
-            JENKINS_URL="https://build.ci.opensearch.org"
-            TIMEPASS=0
-            TIMEOUT=7200
-            RESULT="null"
-
-            echo "Trigger Jenkins workflows"
-            JENKINS_REQ=$(curl -s -XPOST \
-                 -H "Authorization: Bearer ${{ secrets.JENKINS_GRADLE_CHECK_GENERIC_WEBHOOK_TOKEN }}" \
-                 -H "Content-Type: application/json" \
-                 --data '{"pr_from_sha": "${{ env.pr_from_sha }}", "pr_from_clone_url": "${{ env.pr_from_clone_url }}", "pr_to_clone_url": "${{ env.pr_to_clone_url }}", "pr_title": "${{ env.pr_title }}", "pr_number": "${{ env.pr_number }}"}' \
-                 'https://build.ci.opensearch.org/generic-webhook-trigger/invoke')
-
-            QUEUE_URL=$(echo $JENKINS_REQ | jq --raw-output '.jobs."gradle-check".url')
-            echo QUEUE_URL $QUEUE_URL
-            echo "wait for jenkins to start workflow" && sleep 15
-
-            echo "Check if queue exist in Jenkins after triggering"
-            if [ -z "$QUEUE_URL" ] || [ "$QUEUE_URL" != "null" ]; then
-                WORKFLOW_URL=$(curl -s -XGET ${JENKINS_URL}/${QUEUE_URL}api/json | jq --raw-output .executable.url)
-                echo WORKFLOW_URL $WORKFLOW_URL
+            set -e
+            set -o pipefail
+            bash scripts/gradle/gradle-check.sh ${{ secrets.JENKINS_GRADLE_CHECK_GENERIC_WEBHOOK_TOKEN }} | tee -a gradle-check.log
 
-                echo "Use queue information to find build number in Jenkins if available"
-                if [ -z "$WORKFLOW_URL" ] || [ "$WORKFLOW_URL" != "null" ]; then
-
-                    RUNNING="true"
-
-                    echo "Waiting for Jenkins to complete the run"
-                    while [ "$RUNNING" = "true" ] && [ "$TIMEPASS" -le "$TIMEOUT" ]; do
-                        echo "Still running, wait for another 30 seconds before checking again, max timeout $TIMEOUT"
-                        echo "Jenkins Workflow Url: $WORKFLOW_URL"
-                        TIMEPASS=$(( TIMEPASS + 30 )) && echo time pass: $TIMEPASS
-                        sleep 30
-                        RUNNING=$(curl -s -XGET ${WORKFLOW_URL}api/json | jq --raw-output .building)
-                    done
-
-                    echo "Complete the run, checking results now......"
-                    RESULT=$(curl -s -XGET ${WORKFLOW_URL}api/json | jq --raw-output .result)
+      - name: Setup Result Status
+        if: always()
+        run: |
+            WORKFLOW_URL=`cat gradle-check.log | grep 'WORKFLOW_URL' | awk '{print $2}'`
+            RESULT=`cat gradle-check.log | grep 'Result:' | awk '{print $2}'`
+            echo "workflow_url=$WORKFLOW_URL" >> $GITHUB_ENV
+            echo "result=$RESULT" >> $GITHUB_ENV
 
-                fi
-            fi
+      - name: Upload Coverage Report
+        if: success()
+        uses: codecov/codecov-action@v2
+        with:
+          files: ./codeCoverage.xml
 
-            echo "Please check jenkins url for logs: $WORKFLOW_URL"
+      - name: Create Comment Success
+        if: success()
+        uses: peter-evans/create-or-update-comment@v2
+        with:
+          issue-number: ${{ env.pr_number }}
+          body: |
+              ### Gradle Check (Jenkins) Run Completed with:
+              * **RESULT:** ${{ env.result }} :white_check_mark:
+              * **URL:** ${{ env.workflow_url }}
+              * **CommitID:** ${{ env.pr_from_sha }}
 
-            if [ "$RESULT" != "SUCCESS" ]; then
-                echo "Result: $RESULT"
-                exit 1
-            else
-                echo "Result: $RESULT"
-                echo 0
-            fi
+      - name: Create Comment Failure
+        if: failure()
+        uses: peter-evans/create-or-update-comment@v2
+        with:
+          issue-number: ${{ env.pr_number }}
+          body: |
+              ### Gradle Check (Jenkins) Run Completed with:
+              * **RESULT:** ${{ env.result }} :x:
+              * **URL:** ${{ env.workflow_url }}
+              * **CommitID:** ${{ env.pr_from_sha }}