feat(dump): fix integration tests for multiarch

.github/workflows/main.yaml

@@ -114,6 +114,10 @@ jobs:
     steps:
     - name: Checkout
       uses: actions/checkout@v2
+    - name: Set up QEMU
+      uses: docker/setup-qemu-action@v1
+    - name: Set up Docker Buildx
+      uses: docker/setup-buildx-action@v1
     - name: Setup Golang
       uses: actions/setup-go@v2
       with:

dumper/Dockerfile

@@ -1,13 +1,12 @@
-ARG ARCH=
 ARG RUNTIME_VERSION=3.1.20
 
-FROM mcr.microsoft.com/dotnet/core/sdk:3.1-bionic${ARCH} as tools-install
+FROM mcr.microsoft.com/dotnet/core/sdk:3.1-bionic as tools-install
 
 RUN dotnet tool install -g dotnet-gcdump && \
     dotnet tool install -g dotnet-trace && \
     dotnet tool install -g dotnet-dump
 
-FROM mcr.microsoft.com/dotnet/core/runtime:${RUNTIME_VERSION}-bionic${ARCH}
+FROM mcr.microsoft.com/dotnet/core/runtime:${RUNTIME_VERSION}-bionic
 
 ARG RUNTIME_VERSION=3.1.20
 ARG DOTNET_TOOLS_PATH="/root/.dotnet/tools"

hacks/run-integration-tests.sh

@@ -13,11 +13,7 @@ if [ "${current_context}" != "${kind_context}" ]; then
 fi
 
 arch=${1:-amd64}
-if [ "$arch" == "amd64" ]; then
-  docker_build_args=""
-elif [ "$arch" == "arm64" ]; then
-  docker_build_args="--build-arg ARCH=-arm64v8"
-else
+if [ "$arch" != "amd64" ] && [ "$arch" != "arm64" ]; then
   echo "Unsupported arch, choose from: amd64 or arm64"
   exit 1
 fi
@@ -32,10 +28,10 @@ image_tag="latest"
 image_repository="kubectl-shovel/dumper-integration-tests"
 
 echo "Building dumper's image..."
-docker build \
+docker buildx build \
+  --platform "linux/$arch" \
   -t ${image_repository}:${image_tag} \
   -f "${project_dir}/dumper/Dockerfile" \
-  $docker_build_args \
   "${project_dir}/dumper"
 rm "${project_dir}/dumper/bin/dumper"