Only download files in pre-ci

Author: jiechen0826

.github/workflows/pre.yml

@@ -1,7 +1,9 @@
-name: Create Linux Boot Files
+name: Pre-CI
 on: 
-  - push
-  - pull_request_target
+  push:
+  pull_request_target:
+    # branches:
+    #   - main # The workflow would be run based on the workflow file of the base branch to protect against malicious workflow in the PR.
 
 env:
   LCOW_ARTIFACT_PROJECT: "ContainerPlatform"
@@ -14,7 +16,7 @@ jobs:
   # This job downloads the Linux boot files from the Azure Artifact feed and
   # create the rootfs containing the local Linux-GCS. It needs to be run on
   # the 1ES github runner pool in order to access the Azure Artifact feed.
-  create-linux-boot-files:
+  donwload-linux-boot-files:
     runs-on:
       - self-hosted
       - 1ES.Pool=containerplat-github-runner-pool-east-us-2
@@ -26,25 +28,26 @@ jobs:
     - name: Check access
       if: ${{ github.event.pull_request.author_association != 'COLLABORATOR' && github.event.pull_request.author_association != 'OWNER' }}
       run: |
-        echo "Event not triggered by a collaborator. Will not continue CI."
         echo "Author association: ${{ github.event.pull_request.author_association }}"
+        echo "Pull Request: ${{ github.event.pull_request }}"
+
+        echo "Event not triggered by a collaborator. Will not continue CI."
         exit 1
 
-    - name: Checkout hcsshim
-      uses: actions/checkout@v4
-      with:
-        show-progress: false
+    # - name: Checkout hcsshim
+    #   uses: actions/checkout@v4
+    #   with:
+    #     show-progress: false
 
     # Install Azure CLI and login to Azure
     - name: Azure OIDC Login
       uses: azure/login@v2
       with:
-        auth-type: IDENTITY
         client-id: "930a0428-2b45-4cf9-9afe-b81bde516504"
         tenant-id: "72f988bf-86f1-41af-91ab-2d7cd011db47"
         allow-no-subscriptions: true
 
-    - name: Download artifact from feed
+    - name: Download Linux artifact from feed
       uses: azure/cli@v2
       with:
         azcliversion: latest
@@ -64,52 +67,29 @@ jobs:
     - name: Show downloaded lcow artifacts
       run: find ./downloaded_artifacts -maxdepth 3 -ls
 
-    - name: Create directory for storing linux boot files
+    - name: Create directory for storing linux artifacts
       run: |
-        mkdir -p ${{ env.LINUX_BOOT_FILES_PATH }}/
-        mkdir -p ./temp_rootfs/
+        mkdir -p ./linux_artifacts/
 
     - name: Copy Linux kernel and rootfs tar files
       run: |
-        mv ./downloaded_artifacts/LinuxBootFiles/kernel ${{ env.LINUX_BOOT_FILES_PATH }}/
-        mv ./downloaded_artifacts/LinuxBootFiles/vmlinux ${{ env.LINUX_BOOT_FILES_PATH }}/
-        mv ./downloaded_artifacts/rootfs-*.tar.gz ./temp_rootfs/
-
-    - name: Install dependencies
-      run: |
-        sudo apt-get update
-        sudo apt-get install -y make gcc binutils linux-headers-generic \
-          libarchive-tools btrfs-progs libseccomp-dev pkg-config cpio libkmod-dev
-
-    - name: Create rootfs containing the local Linux-GCS
-      run: |
-        chmod a+x ${{ github.workspace }}/hack/catcpio.sh
-
-        # Find the full file name for rootfs tar
-        ROOTFS_TAR=$(ls temp_rootfs/rootfs-*.tar.gz | head -n 1)
-        echo "The full file name is $ROOTFS_TAR"
-
-        make clean
-        sudo make KMOD=1 BASE=${{ github.workspace }}/$ROOTFS_TAR rootfs
-
-    - name: Move newly created rootfs.vhd and initrd.img
-      run: |
-        mv out/rootfs.vhd ${{ env.LINUX_BOOT_FILES_PATH }}/
-        mv out/initrd.img ${{ env.LINUX_BOOT_FILES_PATH }}/
+        mv ./downloaded_artifacts/LinuxBootFiles/kernel ./linux_artifacts/
+        mv ./downloaded_artifacts/LinuxBootFiles/vmlinux ./linux_artifacts/
+        mv ./downloaded_artifacts/rootfs-*.tar.gz ./linux_artifacts/
 
     # This is a workaround to overcome the limitation of actions/upload-artifact@v4 used in later jobs.
     # See https://github.com/actions/upload-artifact/tree/v4/?tab=readme-ov-file#permission-loss.
     - name: Tar the files to preserve file permissions prior to upload
       run: |
-        cd ${{ env.LINUX_BOOT_FILES_PATH }}
-        tar -cvf ../linux_boot_files.tar .
+        cd linux_artifacts
+        tar -cvf linux_artifacts.tar .
 
     # Upload the Linux boot files so that they can be used in later jobs.
-    - name: Upload Linux boot files to artifact
+    - name: Upload Linux artifact
       uses: actions/upload-artifact@v4
       with:
         name: linux_artifact
-        path: linux_boot_files.tar
+        path: linux_artifact.tar
         if-no-files-found: error
         overwrite: true
         retention-days: 1