Update for physical disks and EFI

build.sh

@@ -3,62 +3,83 @@
 OS_CODENAME=focal
 OS_VERSION=20.04
 DEV=/dev/nbd0
-TYPE=cloud
+NBD=yes
+TYPE=maas
 DOWNLOAD=yes
-MAAS_ID=20220524
+# MAAS_ID=20220601
 
-if [ ${TYPE} == cloud ]; then
-	ROOTPART="${DEV}p1"
-else
-	BOOTPART="${DEV}p1"
-	ROOTPART="${DEV}p2"
+# partition block device
+lastchar=${DEV: -1}
+EFIPART="${DEV}1"
+BOOTPART="${DEV}2"
+ROOTPART="${DEV}3"
+if [ "$lastchar" -eq "$lastchar" ] 2>/dev/null; then
+	EFIPART="${DEV}p1"
+	BOOTPART="${DEV}p2"
+	ROOTPART="${DEV}p3"
 fi
 
+function get_maas_id(){
+	streams=$(mktemp)
+	wget -O $streams https://images.maas.io/ephemeral-v3/stable/streams/v1/com.ubuntu.maas:stable:v3:download.json
+	MAAS_ID=$(jq -r '.products[]|select(.version=="'"$OS_VERSION"'" and .arch=="amd64" and .kflavor=="generic" and .subarch=="ga-'"$OS_VERSION"'")|.versions|keys|max' \
+		        "$streams")
+	rm -f $streams
+	echo "MAAS_ID=$MAAS_ID"
+}
+
 function download(){
 	if [ -z "$DOWNLOAD" ]; then
 		return
 	fi
 	echo "Downloading"
-	if [ ${TYPE} == "cloud" ]; then
-		wget -O build/${TYPE}/initrd.img \
-			https://cloud-images.ubuntu.com/$OS_CODENAME/current/unpacked/${OS_CODENAME}-server-cloudimg-amd64-initrd-generic
-		wget -O build/${TYPE}/vmlinuz \
-			https://cloud-images.ubuntu.com/${OS_CODENAME}/current/unpacked/${OS_CODENAME}-server-cloudimg-amd64-vmlinuz-generic
-		wget -O build/${TYPE}/rootfs.tar.xz \
-			https://cloud-images.ubuntu.com/${OS_CODENAME}/current/${OS_CODENAME}-server-cloudimg-amd64-root.tar.xz
-	else
-		wget -O build/${TYPE}/initrd.img \
-			https://images.maas.io/ephemeral-v3/stable/${OS_CODENAME}/amd64/${MAAS_ID}/ga-${OS_VERSION}/boot-initrd
-		wget -O build/${TYPE}/vmlinuz \
-			https://images.maas.io/ephemeral-v3/stable/${OS_CODENAME}/amd64/${MAAS_ID}/ga-${OS_VERSION}/boot-kernel
-		wget -O build/${TYPE}/rootfs.squashfs \
-			https://cloud-images.ubuntu.com/${OS_CODENAME}/amd64/${MAAS_ID}/squashfs
-fi
+	wget -N -P download \
+		https://cloud-images.ubuntu.com/$OS_CODENAME/current/unpacked/${OS_CODENAME}-server-cloudimg-amd64-initrd-generic \
+		https://cloud-images.ubuntu.com/${OS_CODENAME}/current/unpacked/${OS_CODENAME}-server-cloudimg-amd64-vmlinuz-generic \
+		https://cloud-images.ubuntu.com/${OS_CODENAME}/current/${OS_CODENAME}-server-cloudimg-amd64-root.tar.xz \
+		https://images.maas.io/ephemeral-v3/stable/${OS_CODENAME}/amd64/${MAAS_ID}/ga-${OS_VERSION}/generic/boot-initrd \
+		https://images.maas.io/ephemeral-v3/stable/${OS_CODENAME}/amd64/${MAAS_ID}/ga-${OS_VERSION}/generic/boot-kernel \
+		https://images.maas.io/ephemeral-v3/stable/${OS_CODENAME}/amd64/${MAAS_ID}/squashfs
+
+
+	# CLOUD
+	ln -f download/${OS_CODENAME}-server-cloudimg-amd64-vmlinuz-generic cloud-vmlinuz
+	ln -f download/${OS_CODENAME}-server-cloudimg-amd64-initrd-generic cloud-initrd.img
+	ln -f download/${OS_CODENAME}-server-cloudimg-amd64-root.tar.xz rootfs.tar.xz
+
+	# MAAS
+	ln -f download/boot-kernel maas-vmlinuz
+	ln -f download/boot-initrd maas-initrd.img
 }
 
-sudo apt -yq install syslinux syslinux-common syslinux-efi extlinux f2fs-tools
+sudo apt -yq install syslinux syslinux-common syslinux-efi extlinux f2fs-tools dosfstools
 
-mkdir -p build/${TYPE} mnt out squashmount
+mkdir -p build/${TYPE} download mnt out squashmount
 
-download
+#get_maas_id
+#download
 
-KERNEL_VERSION="$(file build/${TYPE}/vmlinuz |cut -d, -f2|cut -d\  -f3)"
+KERNEL_VERSION="$(file ${TYPE}-vmlinuz |cut -d, -f2|cut -d\  -f3)"
 echo "Detected kernel ${KERNEL_VERSION}"
 
+if [ "$NBD" ]; then
 	echo "Creating empty image"
-qemu-img create -f qcow2 build/${TYPE}/ubuntu-${OS_CODENAME}.qcow2 2G || exit 1
-
+	qemu-img create -f qcow2 build/${TYPE}/ubuntu-${OS_CODENAME}.qcow2 5G || exit 1
 	echo "attaching image"
 	sudo modprobe nbd
 	sudo qemu-nbd -c "${DEV}" build/${TYPE}/ubuntu-${OS_CODENAME}.qcow2 || exit 1
+fi
 
 echo "partitioning"
 sudo parted -s "${DEV}" -- \
        	mklabel gpt \
        	unit MiB \
-        mkpart '"Ubuntu"' btrfs 1 100% \
+	mkpart '"EFI system partition"' fat32 1 32MiB \
+       	mkpart '"Boot"' btrfs 32MiB 512MiB \
+       	mkpart '"Ubuntu"' btrfs 512MiB 100% \
+        set 1 esp on \
        	set 1 legacy_boot on
-until [ -b "${DEV}1" ] || [ -b "${DEV}p1" ]; do
+until [ -b "$EFIPART" ] && [ -b "$BOOTPART" ] && [ -b "$ROOTPART" ]; do
 	sleep 1
 done
 
@@ -68,14 +89,17 @@ sudo dd bs=440 count=1 conv=notrunc \
 	if=/usr/lib/syslinux/mbr/gptmbr.bin of="$DEV" 2> /dev/null
 sync
 
+echo "mkfs.vfat (EFI)"
+sudo mkfs.vfat -n EFI ${EFIPART}
+echo "mkfs.btrfs (boot)"
+sudo mkfs.btrfs -L boot ${BOOTPART} || exit 1
+
 if [ ${TYPE} == "cloud" ]; then
-	echo "mkfs.btrfs"
-	sudo mkfs.btrfs -L rootfs ${ROOTPART}" || exit 1
+	echo "mkfs.btrfs (root)"
+	sudo mkfs.btrfs -L rootfs ${ROOTPART} || exit 1
 else
-	echo "mkfs.btrfs"
-	sudo mkfs.btrfs -L boot ${BOOTPART}" || exit 1
-	echo "mkfs.f2fs"
-	sudo mkfs.f2fs -l rootfs -O extra_attr,inode_checksum,sb_checksum,compression ${ROOTPART} || exit 1
+	echo "mkfs.f2fs (root)"
+	sudo mkfs.f2fs -l rootfs -O extra_attr ${ROOTPART} || exit 1
 fi
 sync
 
@@ -84,22 +108,24 @@ if [ ${TYPE} == "cloud" ]; then
 	sudo mount -t btrfs ${ROOTPART} mnt || exit 1
 else
 	sudo mount -t f2fs ${ROOTPART} mnt || exit 1
+fi
 sudo mkdir -p mnt/boot
 sudo mount -t btrfs ${BOOTPART} mnt/boot || exit 1
-fi
+sudo mkdir -p mnt/boot/EFI
+sudo mount -t vfat ${EFIPART} mnt/boot/EFI || exit 1
 
 echo "unpacking root fs"
 if [ ${TYPE} == "cloud" ]; then
-	sudo tar xJf build/${TYPE}/rootfs.tar.xz -C mnt || exit 1
+	sudo tar xJf rootfs.tar.xz -C mnt || exit 1
 else
-	sudo mount -t squashfs build/${TYPE}/rootfs.squashfs squashmount -o ro,loop || exit 1
+	sudo mount -t squashfs download/squashfs squashmount -o ro,loop || exit 1
 	cp -ar squashmount/. mnt
+	umount squashmount
 fi
 
 echo "installing kernel and inintd"
-sudo mkdir -p mnt/boot
-sudo cp -ar build/${TYPE}/initrd.img "mnt/boot/initrd.img-${KERNEL_VERSION}"
-sudo cp -ar build/${TYPE}/vmlinuz "mnt/boot/vmlinuz-${KERNEL_VERSION}"
+sudo cp -ar ${TYPE}-initrd.img "mnt/boot/initrd.img-${KERNEL_VERSION}"
+sudo cp -ar ${TYPE}-vmlinuz "mnt/boot/vmlinuz-${KERNEL_VERSION}"
 sudo ln -s "vmlinuz-${KERNEL_VERSION}" mnt/boot/vmlinuz
 sudo ln -s "initrd.img-${KERNEL_VERSION}" mnt/boot/initrd.img
 
@@ -107,6 +133,11 @@ echo "installing legacy syslinux files"
 sudo mkdir -p mnt/boot/syslinux
 sudo cp /usr/lib/syslinux/modules/bios/*.c32 mnt/boot/syslinux/
 sudo cp syslinux/{mainmenu,syslinux}.cfg mnt/boot/syslinux
+echo "installing EFI syslinux files"
+sudo mkdir -p mnt/EFI/BOOT
+sudo cp /usr/lib/SYSLINUX.EFI/efi64/syslinux.efi mnt/EFI/BOOT/BOOTX64.EFI
+sudo cp /usr/lib/syslinux/modules/efi64/ldlinux.e64 mnt/EFI/BOOT/ldlinux.e64
+sudo cp /usr/lib/syslinux/modules/efi64/*.c32 mnt/EFI/BOOT/
 if [ -n "$1" ]; then
     echo "Patching UUID $1"
     sudo sed -i -e "s/?/?uuid=$1\&/g" mnt/boot/syslinux/mainmenu.cfg
@@ -118,24 +149,26 @@ if [ ${TYPE} == "cloud" ]; then
 	echo "LABEL=rootfs / btrfs defaults 0 1" | sudo tee mnt/etc/fstab
 else
 	echo "LABEL=rootfs / f2fs defaults 0 1" | sudo tee mnt/etc/fstab
-	echo "LABEL=boot /boot btrfs defaults 0 1" | sudo tee -a mnt/etc/fstab
 fi
+echo "LABEL=boot /boot btrfs defaults 0 1" | sudo tee -a mnt/etc/fstab
+echo "LABEL=EFI /boot/EFI vfat defaults 0 1" | sudo tee -a mnt/etc/fstab
 
 echo "installing syslinux bootloader"
 sudo extlinux -i mnt/boot/syslinux
 
 echo "umounting"
 sync
-if [ ${TYPE} != "cloud" ]; then
-	umount /mnt/boot
-fi
+sudo umount mnt/boot/EFI
+sudo umount mnt/boot
 sudo umount mnt
 
+if [ "$NBD" ]; then
 	echo "detaching"
 	sudo qemu-nbd -d "${DEV}"
-
 	echo "compressing"
 	qemu-img convert -cpO qcow2 build/${TYPE}/ubuntu-${OS_CODENAME}.qcow2 out/ubuntu-${OS_CODENAME}-${TYPE}.qcow2
 	# rm -f out/ubuntu-${OS_CODENAME}.qcow2
+fi
+
 
 echo "done"

syslinux/mainmenu.cfg

@@ -4,9 +4,9 @@ TOTALTIMEOUT 3000
 LABEL Current
   KERNEL /boot/vmlinuz
   INITRD /boot/initrd.img
-  APPEND root=LABEL=cloudimg-rootfs ds=nocloud-net;s=https://cloud-init.sysdeploy.org/apiv2?filetype=
+  APPEND root=LABEL=rootfs ds=nocloud-net;s=https://cloud-init.sysdeploy.org/apiv2?filetype=
 
 LABEL Previous
   KERNEL /boot/vmlinuz.old
   INITRD /boot/initrd.img.old
-  APPEND root=LABEL=cloudimg-rootfs ds=nocloud-net;s=https://cloud-init.sysdeploy.org/apiv2?filetype=
+  APPEND root=LABEL=rootfs ds=nocloud-net;s=https://cloud-init.sysdeploy.org/apiv2?filetype=

syslinux/syslinux.cfg

@@ -1,4 +1,4 @@
 MENU TITLE Legacy boot
 UI vesamenu.c32
 
-INCLUDE /boot/syslinux/mainmenu.cfg
+INCLUDE /syslinux/mainmenu.cfg