Merge pull request #53 from kairos-io/622-copy-grub-config

Copy our grub config in place

Author: mudler

tools-image/build-arm-image.sh

@@ -16,6 +16,7 @@ load_vars() {
   oem_size="${OEM_SIZE:-64}"
   recovery_size="${RECOVERY_SIZE:-2192}"
   default_active_size="${DEFAULT_ACTIVE_SIZE:-2400}"
+  menu_entry="${DEFAULT_MENU_ENTRY:-Kairos}"
 
   ## Repositories
   final_repo="${FINAL_REPO:-quay.io/costoolkit/releases-teal-arm64}"
@@ -287,6 +288,12 @@ else
   rsync -axq --exclude='host' --exclude='mnt' --exclude='proc' --exclude='sys' --exclude='dev' --exclude='tmp' ${directory}/ $TARGET
 fi
 
+# We copy the grubmenu.cfg to a temporary location to be copied later in the state partition
+# https://github.com/kairos-io/kairos/blob/62c67e3e61d49435c362014522e5c6696335376f/overlay/files/system/oem/08_grub.yaml#L105
+# This is a hack and we need a better way: https://github.com/kairos-io/kairos/issues/1427
+tmpgrubconfig=$(mktemp /tmp/grubmeny.cfg.XXXXXX)
+cp -rfv $TARGET/etc/kairos/branding/grubmenu.cfg "${tmpgrubconfig}"
+
 umount $TARGET
 sync
 
@@ -332,6 +339,8 @@ if [ -n "$EFI" ] && [  -n "$efi_dir" ]; then
   cp -rfv $efi_dir/* $EFI
 fi
 
+partprobe
+
 echo ">> Writing image and partition table"
 dd if=/dev/zero of="${output_image}" bs=1024000 count="${size}" || exit 1
 if [ "$model" == "rpi64" ]; then 
@@ -419,7 +428,10 @@ mkdir -p $WORKDIR/persistent/cloud-config
 
 cp -rfv /defaults.yaml $WORKDIR/persistent/cloud-config/01_defaults.yaml
 
-grub2-editenv $WORKDIR/state/grub_oem_env set "default_menu_entry=Kairos"
+grub2-editenv $WORKDIR/state/grub_oem_env set "default_menu_entry=$menu_entry"
+
+# We copy the file we saved earier to the STATE partition
+cp -rfv "${tmpgrubconfig}" $WORKDIR/state/grubmenu
 
 # Set a OEM config file if specified
 if [ -n "$config" ]; then

tools-image/prepare_arm_images.sh

@@ -20,6 +20,7 @@ size="${SIZE:-7544}"
 state_size="${STATE_SIZE:-4992}"
 recovery_size="${RECOVERY_SIZE:-2192}"
 default_active_size="${DEFAULT_ACTIVE_SIZE:-2400}"
+menu_entry="${DEFAULT_MENU_ENTRY:-Kairos}"
 
 container_image="${container_image:-quay.io/kairos/kairos-opensuse-leap-arm-rpi:v1.5.1-k3sv1.25.6-k3s1}"
 
@@ -67,6 +68,12 @@ else
   rsync -axq --exclude='host' --exclude='mnt' --exclude='proc' --exclude='sys' --exclude='dev' --exclude='tmp' ${directory}/ $TARGET
 fi
 
+# We copy the grubmenu.cfg to a temporary location to be copied later in the state partition
+# https://github.com/kairos-io/kairos/blob/62c67e3e61d49435c362014522e5c6696335376f/overlay/files/system/oem/08_grub.yaml#L105
+# This is a hack and we need a better way: https://github.com/kairos-io/kairos/issues/1427
+tmpgrubconfig=$(mktemp /tmp/grubmeny.cfg.XXXXXX)
+cp -rfv $TARGET/etc/kairos/branding/grubmenu.cfg "${tmpgrubconfig}"
+
 umount $TARGET
 sync
 
@@ -106,7 +113,11 @@ LOOP=$(losetup --show -f state_partition.img)
 mkdir -p $WORKDIR/state
 mount $LOOP $WORKDIR/state
 cp -arf $STATEDIR/* $WORKDIR/state
-grub2-editenv $WORKDIR/state/grub_oem_env set "default_menu_entry=Kairos"
+grub2-editenv $WORKDIR/state/grub_oem_env set "default_menu_entry=$menu_entry"
+
+# We copy the file we saved earier to the STATE partition
+cp -rfv "${tmpgrubconfig}" $WORKDIR/state/grubmenu
+
 umount $WORKDIR/state
 losetup -d $LOOP