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144 lines
5.1 KiB
144 lines
5.1 KiB
#!/usr/bin/env bash
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#
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# Copyright 2022 Northern.tech AS
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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# grub_create_grub_config
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#
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#
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function grub_create_grub_config() {
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run_and_log_cmd "wget -Nq '${MENDER_GRUBENV_URL}' -P work/"
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run_and_log_cmd "tar xzvf work/${MENDER_GRUBENV_VERSION}.tar.gz -C work/"
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cat <<- EOF > work/grub-mender-grubenv-${MENDER_GRUBENV_VERSION}/mender_grubenv_defines
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mender_rootfsa_part=${MENDER_ROOTFS_PART_A_NUMBER}
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mender_rootfsb_part=${MENDER_ROOTFS_PART_B_NUMBER}
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mender_grub_storage_device=${MENDER_GRUB_STORAGE_DEVICE}
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kernel_imagetype=kernel
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initrd_imagetype=initrd
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EOF
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# For partuuid support grub.cfg expects dedicated variables to be added
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if [ "${MENDER_ENABLE_PARTUUID}" == "y" ]; then
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rootfsa_partuuid=$(disk_get_partuuid_from_device "${root_part_a_device}")
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rootfsb_partuuid=$(disk_get_partuuid_from_device "${root_part_b_device}")
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log_info "Using root partition A partuuid in grubenv: $rootfsa_partuuid"
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log_info "Using root partition B partuuid in grubenv: $rootfsb_partuuid"
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cat <<- EOF >> work/grub-mender-grubenv-${MENDER_GRUBENV_VERSION}/mender_grubenv_defines
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mender_rootfsa_uuid=${rootfsa_partuuid}
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mender_rootfsb_uuid=${rootfsb_partuuid}
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EOF
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else
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cat <<- EOF >> work/grub-mender-grubenv-${MENDER_GRUBENV_VERSION}/mender_grubenv_defines
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mender_kernel_root_base=${MENDER_STORAGE_DEVICE_BASE}
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EOF
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fi
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if [ -n "${MENDER_GRUB_KERNEL_BOOT_ARGS}" ]; then
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cat <<- EOF > work/grub-mender-grubenv-${MENDER_GRUBENV_VERSION}/11_bootargs_grub.cfg
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set bootargs="${MENDER_GRUB_KERNEL_BOOT_ARGS}"
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EOF
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fi
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(
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cd work/grub-mender-grubenv-${MENDER_GRUBENV_VERSION}
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run_and_log_cmd "make 2>&1"
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run_and_log_cmd "sudo make DESTDIR=../ BOOT_DIR=boot install-boot-files"
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run_and_log_cmd "sudo make DESTDIR=../rootfs install-tools"
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)
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}
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# grub_install_grub_editenv_binary
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#
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# Install the editenv binary
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function grub_install_grub_editenv_binary() {
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log_info "Installing the GRUB editenv binary"
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arch=$(probe_arch)
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run_and_log_cmd "wget -Nq ${MENDER_GRUB_BINARY_STORAGE_URL}/${arch}/grub-editenv -P work/"
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run_and_log_cmd "sudo install -m 751 work/grub-editenv work/rootfs/usr/bin/"
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}
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# grub_install_with_shim_present
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#
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# Keep the existing boot shim, and bootloader, and only install the mender-grub
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# config
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function grub_install_with_grub_efi_present() {
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grub_create_grub_config
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grub_install_grub_editenv_binary
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}
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# grub_install_mender_grub
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#
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# Install mender-grub on the converted boot partition
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function grub_install_mender_grub() {
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kernel_imagetype=${MENDER_GRUB_KERNEL_IMAGETYPE:-$(probe_kernel_in_boot_and_root)}
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initrd_imagetype=${MENDER_GRUB_INITRD_IMAGETYPE:-$(probe_initrd_in_boot_and_root)}
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run_and_log_cmd "sudo ln -s ${kernel_imagetype} work/rootfs/boot/kernel"
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if [ "${initrd_imagetype}" != "" ]; then
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run_and_log_cmd "sudo ln -s ${initrd_imagetype} work/rootfs/boot/initrd"
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fi
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log_info "Generating the mender-grub config..."
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grub_create_grub_config
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# Remove conflicting boot files. These files do not necessarily effect the
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# functionality, but lets get rid of them to avoid confusion.
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#
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# There is no Mender integration for EFI boot or systemd-boot.
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sudo rm -rf work/boot/loader work/rootfs/boot/loader
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sudo rm -rf work/boot/EFI/Linux
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sudo rm -rf work/boot/EFI/systemd
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sudo rm -rf work/boot/NvVars
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for empty_dir in $(
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cd work/boot && find . -maxdepth 1 -type d -empty
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); do
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sudo rmdir work/boot/$empty_dir
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done
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log_info "Installing GRUB..."
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log_info "Installing mender-grub-editenv"
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grub_install_grub_editenv_binary
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local -r arch=$(probe_arch)
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local -r efi_name=$(probe_grub_efi_name)
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local -r efi_target_name=$(probe_grub_efi_target_name)
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log_info "GRUB EFI: ${efi_target_name}"
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run_and_log_cmd "wget -Nq ${MENDER_GRUB_BINARY_STORAGE_URL}/${arch}/${efi_name} -P work/"
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run_and_log_cmd "sudo mkdir -p work/boot/EFI/BOOT"
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run_and_log_cmd "sudo cp work/${efi_name} -P work/boot/EFI/BOOT/${efi_target_name}"
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# Copy dtb directory to the boot partition for use by the bootloader.
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if [ -d work/rootfs/boot/dtbs ]; then
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# Look for the first directory that has dtb files. First check the base
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# folder, then any subfolders in versioned order.
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for candidate in work/rootfs/boot/dtbs $(find work/rootfs/boot/dtbs/ -maxdepth 1 -type d | sort -V -r); do
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if [ $(find $candidate -maxdepth 1 -name '*.dtb' | wc -l) -gt 0 ]; then
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run_and_log_cmd "sudo cp -r $candidate work/boot/dtb"
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break
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fi
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done
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fi
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}
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