update entrypoint and kindnetd

deploy/kicbase/entrypoint

@@ -102,22 +102,36 @@ overlayfs_preferrable() {
 
 configure_containerd() {
   local snapshotter=${KIND_EXPERIMENTAL_CONTAINERD_SNAPSHOTTER:-}
+
+  # handle userns (rootless)
   if [[ -n "$userns" ]]; then
-    # userns (rootless) configs
-
-    # Adjust oomScoreAdj
+    # enable restrict_oom_score_adj
     sed -i 's/restrict_oom_score_adj = false/restrict_oom_score_adj = true/' /etc/containerd/config.toml
-
     # Use fuse-overlayfs if overlayfs is not preferrable: https://github.com/kubernetes-sigs/kind/issues/2275
     if [[ -z "$snapshotter" ]] && ! overlayfs_preferrable; then
       snapshotter="fuse-overlayfs"
     fi
-  else
-    # we need to switch to the 'native' snapshotter on zfs
-    if [[ -z "$snapshotter" ]] && [["$(stat -f -c %T /kind)" == 'zfs' ]]; then
-      snapshotter="native"
+  fi
+
+  # if we have not already overridden the snapshotter, attempt to auto select
+  if [[ -z "$snapshotter" ]]; then
+    # we need to switch to 'native' or 'fuse-overlayfs' on zfs
+    container_filesystem="$(stat -f -c %T /kind)"
+    if [[ "$container_filesystem" == 'zfs' ]]; then
+      # if fuse is present, use fuse-overlayfs, else fallback to native
+      # we do not use the ZFS snapshotter because of skew issues vs the host
+      if [[ -e /dev/fuse ]]; then
+        snapshotter="fuse-overlayfs"
+      else
+        snapshotter="native"
+      fi
+    # fuse likely implies fuse-overlayfs, we should switch to fuse-overlayfs (or native)
+    elif [[ "$container_filesystem" == 'fuseblk' ]]; then
+      snapshotter="fuse-overlayfs"
     fi
   fi
+
+  # if we've overridden or auto-selected the snapshotter vs the default, update containerd
   if [[ -n "$snapshotter" ]]; then
     echo "INFO: changing snapshotter from \"overlayfs\" to \"$snapshotter\""
     sed -i "s/snapshotter = \"overlayfs\"/snapshotter = \"$snapshotter\"/" /etc/containerd/config.toml
@@ -386,22 +400,6 @@ fix_product_uuid() {
   fi
 }
 
-fix_kmsg() {
-  # In environments where /dev/kmsg is not available, the kubelet (1.15+) won't
-  # start because it cannot open /dev/kmsg when starting the kmsgparser in the
-  # OOM parser.
-  # To support those environments, we link /dev/kmsg to /dev/console.
-  # https://github.com/kubernetes-sigs/kind/issues/662
-  if [[ ! -e /dev/kmsg ]]; then
-    if [[ -e /dev/console ]]; then
-      echo 'WARN: /dev/kmsg does not exist, symlinking /dev/console' >&2
-      ln -s /dev/console /dev/kmsg
-    else
-      echo 'WARN: /dev/kmsg does not exist, nor does /dev/console!' >&2
-    fi
-  fi
-}
-
 select_iptables() {
   # based on: https://github.com/kubernetes-sigs/iptables-wrappers/blob/97b01f43a8e8db07840fc4b95e833a37c0d36b12/iptables-wrapper-installer.sh
   local mode num_legacy_lines num_nft_lines
@@ -534,7 +532,6 @@ validate_userns
 # NOTE: it's important that we do configure* first in this order to avoid races
 configure_containerd
 configure_proxy
-fix_kmsg
 fix_mount
 retryable_fix_cgroup
 fix_machine_id

pkg/minikube/bootstrapper/images/images.go

@@ -182,7 +182,7 @@ func KindNet(repo string) string {
 	if repo == "" {
 		repo = "kindest"
 	}
-	return path.Join(repo, "kindnetd:v20220726-ed811e41")
+	return path.Join(repo, "kindnetd:v20220927-ce36d7c0")
 }
 
 // all calico images are from https://docs.projectcalico.org/manifests/calico.yaml