feat(workflow): add Sync CSI Repos with Upstream action

Signed-off-by: Derek Su <[email protected]>

.github/workflows/build-csi-sidecar-images.yml

@@ -1,4 +1,4 @@
-name: Build External Images
+name: Build CSI Sidecar Images
 
 on:
   workflow_dispatch:

.github/workflows/sync-csi-repos.yml

@@ -0,0 +1,38 @@
+name: Sync CSI Repos with Upstream
+
+on:
+  schedule:
+    # Every day at 3:00
+    - cron: '0 3 * * *'
+  workflow_dispatch:
+
+defaults:
+  run:
+    shell: bash
+
+env:
+  CARGO_TERM_COLOR: always
+
+jobs:
+  release:
+    runs-on: ubuntu-latest
+
+    env:
+      GITHUB_TOKEN: ${{ secrets.CUSTOM_GITHUB_TOKEN }}
+
+    permissions:
+      contents: write
+
+    steps:
+    - name: Setup Git
+      run: |
+        gh auth setup-git
+
+    - run: |
+        git config --global user.email "[email protected]"
+        git config --global user.name "Derek Su"
+
+    - uses: actions/checkout@v4
+
+    - name: Sync Repos
+      run: bash ./scripts/sync-csi-repos-with-upstream.sh

scripts/sync-csi-repos-with-upstream.sh

@@ -0,0 +1,32 @@
+#!/bin/bash
+
+source_target_repos=(
+    "external-snapshotter:csi-snapshotter"
+    "external-resizer:csi-resizer"
+    "external-provisioner:csi-provisioner"
+    "external-attacher:csi-attacher"
+    "node-driver-registrar:csi-node-driver-registrar"
+    "livenessprobe:livenessprobe"
+)
+
+for source_target_repo in "${source_target_repos[@]}"; do
+    source_repo=$(echo "$source_target_repo" | cut -d ":" -f 1)
+    target_repo=$(echo "$source_target_repo" | cut -d ":" -f 2)
+
+    echo "Syncing $target_repo"
+
+    SOURCE_REPO_PATH="https://github.com/kubernetes-csi/${source_repo}.git"
+    TARGET_REPO_PATH="https://github.com/longhorn/${target_repo}.git"
+
+    git clone ${TARGET_REPO_PATH}
+    pushd ${target_repo}
+
+    # Sync branches
+    git remote add src_remote ${SOURCE_REPO_PATH}
+    git fetch src_remote --quiet
+    git push origin "refs/remotes/src_remote/*:refs/heads/*" --force
+
+    # Sync tags
+    git fetch src_remote --tags --quiet
+    git push origin --tags --force
+done