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lima-vm
GitHub Repository: lima-vm/lima
 Path: blob/master/pkg/cidata/cidata.TEMPLATE.d/boot/05-lima-disks.sh
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#!/bin/bash

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# SPDX-FileCopyrightText: Copyright The Lima Authors

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# SPDX-License-Identifier: Apache-2.0

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set -eux -o pipefail

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test "$LIMA_CIDATA_DISKS" -gt 0 || exit 0

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get_disk_var() {

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	diskvarname="LIMA_CIDATA_DISK_${1}_${2}"

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	eval echo \$"$diskvarname"

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}

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for i in $(seq 0 $((LIMA_CIDATA_DISKS - 1))); do

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	DISK_NAME="$(get_disk_var "$i" "NAME")"

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	DEVICE_NAME="$(get_disk_var "$i" "DEVICE")"

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	FORMAT_DISK="$(get_disk_var "$i" "FORMAT")"

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	FORMAT_FSTYPE="$(get_disk_var "$i" "FSTYPE")"

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	FORMAT_FSARGS="$(get_disk_var "$i" "FSARGS")"

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	test -n "$FORMAT_DISK" || FORMAT_DISK=true

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	test -n "$FORMAT_FSTYPE" || FORMAT_FSTYPE=ext4

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	# first time setup

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	if [[ ! -b "/dev/disk/by-label/lima-${DISK_NAME}" ]]; then

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		if $FORMAT_DISK; then

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			if [ "$FORMAT_FSTYPE" == "swap" ]; then

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				echo 'type=swap' | sfdisk --label gpt "/dev/${DEVICE_NAME}"

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				# shellcheck disable=SC2086

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				mkswap $FORMAT_FSARGS -L "lima-${DISK_NAME}" "/dev/${DEVICE_NAME}1"

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			else

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				echo 'type=linux' | sfdisk --label gpt "/dev/${DEVICE_NAME}"

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				# shellcheck disable=SC2086

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				mkfs.$FORMAT_FSTYPE $FORMAT_FSARGS -L "lima-${DISK_NAME}" "/dev/${DEVICE_NAME}1"

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			fi

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		fi

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	fi

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	if [ "$FORMAT_FSTYPE" == "swap" ]; then

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		swapon "/dev/${DEVICE_NAME}1"

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	else

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		mkdir -p "/mnt/lima-${DISK_NAME}"

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		mount -t "$FORMAT_FSTYPE" "/dev/${DEVICE_NAME}1" "/mnt/lima-${DISK_NAME}"

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	fi

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	if command -v growpart >/dev/null 2>&1 && command -v resize2fs >/dev/null 2>&1; then

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		growpart "/dev/${DEVICE_NAME}" 1 || true

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		# Only resize when filesystem is in a healthy state

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		if command -v "fsck.$FORMAT_FSTYPE" -f -p "/dev/disk/by-label/lima-${DISK_NAME}"; then

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			if [[ $FORMAT_FSTYPE == "ext2" || $FORMAT_FSTYPE == "ext3" || $FORMAT_FSTYPE == "ext4" ]]; then

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				resize2fs "/dev/disk/by-label/lima-${DISK_NAME}" || true

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			elif [ "$FORMAT_FSTYPE" == "xfs" ]; then

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				xfs_growfs "/dev/disk/by-label/lima-${DISK_NAME}" || true

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			else

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				echo >&2 "WARNING: unknown fs '$FORMAT_FSTYPE'. FS will not be grew up automatically"

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			fi

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		fi

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	fi

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done

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