Gitlab Integration with Servicenow

.gitlab-ci.yml

stages:
  - plan
  - approval
  - deploy

variables:
  SERVICENOW_INSTANCE: "https://your-instance.service-now.com"
  CHANGE_REQUEST_ID_FILE: "change_request_id.txt"

# Step 1: Create a Change Request in ServiceNow
create_change_request:
  stage: plan
  script:
    - echo "Creating Change Request in ServiceNow..."
    - >
      curl -s -X POST "$SERVICENOW_INSTANCE/api/devops/create-change" \
        -H "Authorization: Bearer $SERVICENOW_TOKEN" \
        -H "Content-Type: application/json" \
        -d '{
              "short_description": "GitLab CI Deployment - $CI_PROJECT_NAME",
              "category": "Software",
              "pipeline_id": "'$CI_PIPELINE_ID'",
              "commit_id": "'$CI_COMMIT_SHA'"
            }' | jq -r '.result.change_request_id' > $CHANGE_REQUEST_ID_FILE
    - export CHANGE_ID=$(cat $CHANGE_REQUEST_ID_FILE)
    - echo "Created CR: $CHANGE_ID"
  artifacts:
    paths:
      - $CHANGE_REQUEST_ID_FILE
    expire_in: 1 hour

# Step 2: Wait for Change Approval
wait_for_approval:
  stage: approval
  dependencies:
    - create_change_request
  script:
    - export CHANGE_ID=$(cat $CHANGE_REQUEST_ID_FILE)
    - echo "Waiting for approval of CR: $CHANGE_ID..."
    - |
      for i in {1..30}; do
        STATUS=$(curl -s -X GET "$SERVICENOW_INSTANCE/api/devops/change-status?cr_id=$CHANGE_ID" \
                  -H "Authorization: Bearer $SERVICENOW_TOKEN" | jq -r '.result.status')

        echo "Current status: $STATUS"

        if [[ "$STATUS" == "approved" ]]; then
          echo "✅ Change Request approved."
          break
        elif [[ "$STATUS" == "rejected" ]]; then
          echo "❌ Change Request rejected."
          exit 1
        fi

        echo "Waiting for approval..."
        sleep 30
      done
  when: on_success
  timeout: 15 minutes

# Step 3: Proceed with Deployment
deploy_app:
  stage: deploy
  script:
    - echo "Deploying application to production..."
    - ./deploy-prod.sh
  only:
    - main