crictl can import images but slow

alpine/rootfs-extra/etc/fancontrol

@@ -0,0 +1,9 @@
+INTERVAL=10
+DEVPATH=hwmon0=devices/platform/soc/2180000.i2c/i2c-0/i2c-7/7-002e hwmon1=devices/virtual/thermal/thermal_zone0
+DEVNAME=hwmon0=emc2305 hwmon1=ddr_thermal
+FCTEMPS=hwmon0/pwm2=hwmon1/temp1_input
+FCFANS= hwmon0/pwm2=hwmon0/fan1_input
+MINTEMP=hwmon0/pwm2=40
+MAXTEMP=hwmon0/pwm2=60
+MINSTART=hwmon0/pwm2=60
+MINSTOP=hwmon0/pwm2=45

alpine/rootfs-extra/etc/fstab

@@ -0,0 +1 @@
+none /sys/fs/cgroup cgroup2 defaults 0 0

alpine/rootfs-extra/etc/hostname.tmpl.override

@@ -0,0 +1 @@
+${ALPINE_HOSTNAME}

alpine/rootfs-extra/etc/inittab

@@ -0,0 +1,2 @@
+# Dev only
+ttyS0::respawn:/sbin/getty -L ttyS0 115200 vt100 -n -l /bin/bash

alpine/rootfs-extra/opt/scripts/load-images.sh

@@ -0,0 +1,56 @@
+#!/bin/sh
+set -eu
+
+KUBE_VERSION="${KUBE_VERSION:-v1.35.3}"
+REGISTRY_ADDR="${REGISTRY_ADDR:-127.0.0.1:5000}"
+
+mkdir -p /opt/registry
+cat >/opt/registry/config.yml <<EOF
+version: 0.1
+log:
+  level: info
+storage:
+  filesystem:
+    rootdirectory: /var/lib/registry
+http:
+  addr: ${REGISTRY_ADDR}
+EOF
+
+cat >/opt/crictl.yaml <<'EOF'
+runtime-endpoint: unix:///var/run/crio/crio.sock
+image-endpoint: unix:///var/run/crio/crio.sock
+timeout: 10
+debug: false
+EOF
+
+registry serve /opt/registry/config.yml >/var/log/registry.log 2>&1 &
+REG_PID=$!
+
+cleanup() {
+    kill "$REG_PID" 2>/dev/null || true
+}
+trap cleanup EXIT INT TERM
+
+for _ in $(seq 1 30); do
+    if curl -fsS "http://${REGISTRY_ADDR}/v2/_catalog" >/dev/null; then
+        break
+    fi
+    sleep 1
+done
+
+curl -fsS "http://${REGISTRY_ADDR}/v2/_catalog" >/dev/null
+
+for img in $(kubeadm config images list --kubernetes-version "${KUBE_VERSION}"); do
+    name="${img#registry.k8s.io/}"
+    echo "Importing ${img} from ${REGISTRY_ADDR}/${name}"
+    skopeo copy --src-tls-verify=false \
+      "docker://${REGISTRY_ADDR}/${name}" \
+      "containers-storage:${img}"
+done
+
+echo "Imported images now visible to CRI-O:"
+crictl images
+
+kill "$REG_PID" 2>/dev/null || true
+wait "$REG_PID" 2>/dev/null || true
+trap - EXIT INT TERM