[Internal] Refine tracing e2e test pipeline (#2289)

# Description

Refine tracing e2e test pipeline. Currently the pipeline didn't do auth
step, causing failure for 3p customers.

# All Promptflow Contribution checklist:
- [x] **The pull request does not introduce [breaking changes].**
- [ ] **CHANGELOG is updated for new features, bug fixes or other
significant changes.**
- [x] **I have read the [contribution guidelines](../CONTRIBUTING.md).**
- [ ] **Create an issue and link to the pull request to get dedicated
review from promptflow team. Learn more: [suggested
workflow](../CONTRIBUTING.md#suggested-workflow).**

## General Guidelines and Best Practices
- [x] Title of the pull request is clear and informative.
- [x] There are a small number of commits, each of which have an
informative message. This means that previously merged commits do not
appear in the history of the PR. For more information on cleaning up the
commits in your PR, [see this
page](https://github.com/Azure/azure-powershell/blob/master/documentation/development-docs/cleaning-up-commits.md).

### Testing Guidelines
- [ ] Pull request includes test coverage for the included changes.

---------

Co-authored-by: Lina Tang <[email protected]>

.github/workflows/promptflow-tracing-e2e-test.yml

@@ -1,33 +1,41 @@
 name: promptflow-tracing-e2e-test
-
 on:
   schedule:
     - cron: "40 17 * * *" # Every day starting at 1:40 BJT
-
-  pull_request:
+  pull_request_target:
     paths:
       - src/promptflow/**
       - scripts/building/**
       - .github/workflows/promptflow-tracing-e2e-test.yml
-
   workflow_dispatch:
-
-
 env:
   packageSetupType: promptflow_with_extra
   testWorkingDirectory: ${{ github.workspace }}/src/promptflow
   PYTHONPATH: ${{ github.workspace }}/src/promptflow
   IS_IN_CI_PIPELINE: "true"
-
-
 jobs:
+  authorize:
+    environment:
+      # forked prs from pull_request_target will be run in external environment, domain prs will be run in internal environment
+      ${{ github.event_name == 'pull_request_target' &&
+      github.event.pull_request.head.repo.full_name != github.repository &&
+      'external' || 'internal' }}
+    runs-on: ubuntu-latest
+    steps:
+      - run: true
   build:
+    needs: authorize
     strategy:
       fail-fast: false
     runs-on: ubuntu-latest
     steps:
     - name: checkout
       uses: actions/checkout@v4
+      with:
+        ref: ${{ github.event.pull_request.head.sha || github.ref }}
+        fetch-depth: 0
+    - name: merge main to current branch
+      uses: "./.github/actions/step_merge_main"
     - name: Display and Set Environment Variables
       run: |
         env | sort >> $GITHUB_OUTPUT
@@ -50,7 +58,6 @@ jobs:
         path: |
           ${{ github.workspace }}/src/promptflow/dist/*.whl
           ${{ github.workspace }}/src/promptflow-tools/dist/*.whl
-
   tracing_tests:
     needs: build
     strategy:
@@ -62,24 +69,25 @@ jobs:
     steps:
     - name: checkout
       uses: actions/checkout@v4
-
+      with:
+        ref: ${{ github.event.pull_request.head.sha || github.ref }}
+        fetch-depth: 0
+    - name: merge main to current branch
+      uses: "./.github/actions/step_merge_main"
     - name: Display and Set Environment Variables
       run: |
         env | sort >> $GITHUB_OUTPUT
       id: display_env
       shell: bash -el {0}
-
     - name: Python Setup - ${{ matrix.os }} - Python Version ${{ matrix.pythonVersion }}
       uses: "./.github/actions/step_create_python_environment"
       with:
         pythonVersion: ${{ matrix.pythonVersion }}
-
     - name: Download Artifacts
       uses: actions/download-artifact@v3
       with:
         name: wheel
         path: artifacts
-
     - name: Install wheel
       shell: pwsh
       working-directory: artifacts
@@ -89,21 +97,17 @@ jobs:
         gci ./promptflow -Recurse | % {if ($_.Name.Contains('.whl')) {python -m pip install "$($_.FullName)"}}
         gci ./promptflow-tools -Recurse | % {if ($_.Name.Contains('.whl')) {python -m pip install $_.FullName}}
         pip freeze
-
     - name: Azure Login
       uses: azure/login@v1
       with:
         creds: ${{ secrets.AZURE_CREDENTIALS }}
-
     - name: Generate Configs
       uses: "./.github/actions/step_generate_configs"
       with:
         targetFolder: ${{ env.testWorkingDirectory }}
-
     - name: Get number of CPU cores
       uses: SimenB/github-actions-cpu-cores@v1
       id: cpu-cores
-
     - name: run promptflow-tracing test
       shell: pwsh
       working-directory: ${{ env.testWorkingDirectory }}
@@ -116,7 +120,6 @@ jobs:
           -n ${{ steps.cpu-cores.outputs.count }} `
           --coverage-config ${{ github.workspace }}/src/promptflow/tests/tracing_test/.coveragerc `
           -o "${{ env.testWorkingDirectory }}/test-results-tracing.xml"
-
     - name: Upload Test Results
       if: always()
       uses: actions/upload-artifact@v3
@@ -125,22 +128,24 @@ jobs:
         path: |
           ${{ env.testWorkingDirectory }}/*.xml
           ${{ env.testWorkingDirectory }}/htmlcov/
-
-
   publish-test-results-tracing-test:
+    name: "Publish Tests Results"
     needs: tracing_tests
     if: always()
-
     runs-on: ubuntu-latest
     permissions:
       checks: write
       pull-requests: write
       contents: read
       issues: read
-
     steps:
     - name: checkout
       uses: actions/checkout@v4
+      with:
+        ref: ${{ github.event.pull_request.head.sha || github.ref }}
+        fetch-depth: 0
+    - name: merge main to current branch
+      uses: "./.github/actions/step_merge_main"
     - name: Publish Test Results
       uses: "./.github/actions/step_publish_test_results"
       with:

.github/workflows/promptflow-tracing-unit-test.yml

@@ -113,6 +113,7 @@ jobs:
 
 
   publish-test-results-tracing-test:
+    name: "Publish Tests Results"
     needs: tracing_tests
     if: always()