Added migrations.d

alpine/build-rootfs.sh

@@ -17,6 +17,7 @@ mkdir -p \
   "$ROOTFS/build" \
   "$ROOTFS/var/cache/apk" \
   "$ROOTFS/usr/lib/monok8s/crds" \
+  "$ROOTFS/usr/lib/monok8s/migrations.d/k8s" \
   "$ROOTFS/opt/monok8s/config"
 
 mount --bind /var/cache/apk "$ROOTFS/var/cache/apk"
@@ -30,6 +31,15 @@ cp /etc/resolv.conf "$ROOTFS/etc/resolv.conf"
 cp /build/crio.tar.gz "$ROOTFS/build/"
 cp /build/crds/*.yaml "$ROOTFS/usr/lib/monok8s/crds"
 
+KUBE_MINOR=$(printf '%s\n' "$KUBE_VERSION" | sed -E 's/^v?([0-9]+\.[0-9]+).*/\1/')
+MIG_SRC="/build/migrations/k8s/$KUBE_MINOR"
+MIG_DST="$ROOTFS/usr/lib/monok8s/migrations.d/k8s/$KUBE_MINOR"
+
+if [ -d "$MIG_SRC" ]; then
+    mkdir -p "$MIG_DST"
+    cp -a "$MIG_SRC"/. "$MIG_DST"/
+fi
+
 chroot "$ROOTFS" /bin/sh -c "ln -s /var/cache/apk /etc/apk/cache"
 # chroot "$ROOTFS" /bin/sh -c "apk update"
 chroot "$ROOTFS" /bin/sh -c "apk add bash curl"