From 42a0aaaa67f8bf43a75ad85deabac29f32a9c916 Mon Sep 17 00:00:00 2001
From: Jiajing Hu <hjiajing@vmware.com>
Date: Thu, 11 Jul 2024 11:07:31 +0800
Subject: [PATCH] Support building local kind Node image (#6399)

When trigger Manually  upstream conformance test on Linux, if the input
kubernetes version has no corresponding kind Node image, the job will build
kind Node image with the Kubernetes source code.

Signed-off-by: Jiajing Hu <hjiajing@vmware.com>
---
 .github/workflows/conformance.yml | 22 +++++++++++++++++++++-
 1 file changed, 21 insertions(+), 1 deletion(-)

diff --git a/.github/workflows/conformance.yml b/.github/workflows/conformance.yml
index af97debaf7c..2002d029503 100644
--- a/.github/workflows/conformance.yml
+++ b/.github/workflows/conformance.yml
@@ -71,10 +71,30 @@ jobs:
           ./hack/build-antrea-linux-all.sh --pull --distro ${{ inputs.antrea-image-distro }}
       - name: Install Kind
         run: |
-          KIND_VERSION=$(head -n1 ./ci/kind/version || echo v0.20.0)
+          KIND_VERSION=$(head -n1 ./ci/kind/version || echo v0.23.0)
           curl -Lo ./kind https://github.com/kubernetes-sigs/kind/releases/download/${KIND_VERSION}/kind-$(uname)-amd64
           chmod +x ./kind
           sudo mv kind /usr/local/bin
+      - name: Build local image for conformance test
+        run: |
+          image="kindest/node:${{ inputs.k8s-version }}"
+          if docker pull $image 2>&1; then
+            echo "Image $image exists, no need to build it."
+          else
+            echo "Image $image does not exist, preparing to build it."
+            # Building a local Kind Node image with the latest Kubernetes version will consume a lot of disk space.
+            # We need to free up some disk space before building the image.
+            sudo apt-get clean
+            sudo rm -rf /usr/share/dotnet || true
+            sudo rm -rf /opt/ghc || true
+            sudo rm -rf "/usr/local/share/boost" || true
+            sudo rm -rf "$AGENT_TOOLSDIRECTORY" || true
+
+            git clone --depth 1 --branch ${{ inputs.k8s-version }} https://github.com/kubernetes/kubernetes.git /tmp/kubernetes
+            echo "Building Kind Node image with Kubernetes version ${{ inputs.k8s-version }}"
+            kind build node-image --image kindest/node:${{ inputs.k8s-version }} /tmp/kubernetes
+            rm -rf /tmp/kubernetes
+          fi
       - name: Create K8s cluster
         run: |
           # If an image does not exist (unified vs split), a warning will be printed, but the script