cleanup nerdctl after nodeadm containerized build (#1599)

* cleanup nerdctl after nodeadm containerized build

* use host network and only remove build and dangling imagest

templates/al2023/provisioners/install-nodeadm.sh

@@ -4,15 +4,24 @@ set -o pipefail
 set -o nounset
 set -o errexit
 
+BUILD_IMAGE=public.ecr.aws/eks-distro-build-tooling/golang:1.21
+
 sudo systemctl start containerd
 
 sudo nerdctl run \
   --rm \
+  --network host \
   --workdir /workdir \
   --volume $PROJECT_DIR:/workdir \
-  public.ecr.aws/eks-distro-build-tooling/golang:1.21 \
+  $BUILD_IMAGE \
   make build
 
+# cleanup build image and snapshots
+sudo nerdctl rmi \
+  --force \
+  $BUILD_IMAGE \
+  $(sudo nerdctl images -a | grep none | awk '{ print $3 }')
+
 # move the nodeadm binary into bin folder
 sudo chmod a+x $PROJECT_DIR/_bin/nodeadm
 sudo mv $PROJECT_DIR/_bin/nodeadm /usr/bin/

templates/al2023/provisioners/validate.sh

@@ -52,3 +52,12 @@ if [ ${FREE_MEBIBYTES} -lt ${REQUIRED_FREE_MEBIBYTES} ]; then
 else
   echo "Disk space requirements were met."
 fi
+
+################################
+### network ####################
+################################
+
+if sudo ip link | grep nerdctl0; then
+  echo "nerdctl0 interface should be removed."
+  exit 1
+fi