ci: Build docker image for multiple architectures (#1619)

* ci: Build docker image for multiple architectures

* Print executable name and version

* Better way to print versions during qns run

.github/workflows/qns.yml

@@ -5,14 +5,17 @@ on:
     - cron: '42 3 * * 2,5' # Runs at 03:42 UTC (m and h chosen arbitrarily) twice a week.
   workflow_dispatch:
   pull_request:
-    branch: ["main"]
+    branches: ["main"]
     paths:
       - 'qns/**'
       - '.github/workflows/qns.yml'
 jobs:
   docker-image:
     runs-on: ubuntu-latest
     steps:
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v3
+
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v3
 
@@ -47,3 +50,4 @@ jobs:
             RUST_VERSION=stable
           cache-from: type=gha
           cache-to: type=gha,mode=max
+          platforms: linux/amd64, linux/arm64

qns/interop.sh

@@ -13,6 +13,7 @@ case "$ROLE" in
   client)
     /wait-for-it.sh sim:57832 -s -t 30
     sleep 5
+    neqo-client --help | head -n 1
     RUST_LOG=debug RUST_BACKTRACE=1 neqo-client --cc cubic --qns-test "$TESTCASE" \
         --qlog-dir "$QLOGDIR" --output-dir /downloads $REQUESTS
     ;;
@@ -27,6 +28,7 @@ case "$ROLE" in
         -name "$CERT" -passout pass: -out "$P12CERT"
     pk12util -d "sql:$DB" -i "$P12CERT" -W ''
     certutil -L -d "sql:$DB" -n "$CERT"
+    neqo-server --help | head -n 1
     RUST_LOG=info RUST_BACKTRACE=1 neqo-server --cc cubic --qns-test "$TESTCASE" \
         --qlog-dir "$QLOGDIR" -d "$DB" -k "$CERT" [::]:443
     ;;