128 lines
3.8 KiB
Bash
128 lines
3.8 KiB
Bash
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#!/usr/bin/env bash
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set -o errexit
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set -o nounset
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set -o pipefail
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# set -o xtrace
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if [[ $EUID -ne 0 ]]; then
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echo "This script must be run as root"
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exit 1
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fi
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file_exists() {
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[[ -f $1 ]];
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}
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require_command () {
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type "$1" &> /dev/null || { echo "Command $1 is missing. Install it e.g. with 'apt-get install $1'. Aborting." >&2; exit 1; }
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}
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require_command kpartx
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require_command qemu-system-arm
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require_command zerofree
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__dir="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
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__file="${__dir}/$(basename "${BASH_SOURCE[0]}")"
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__base="$(basename ${__file} .sh)"
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MOUNT_POINT="${__dir}/root_mount"
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OVERWRITE_FILES_BEFORE_INIT_DIR="${__dir}/overwrite_before_init"
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OVERWRITE_FILES_AFTER_INIT_DIR="${__dir}/overwrite_after_init"
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if [ ! -f kernel-qemu ] || ! file_exists *raspbian*.img ; then
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./posbox_download_images.sh
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fi
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cp -a *raspbian*.img posbox.img
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CLONE_DIR="${OVERWRITE_FILES_BEFORE_INIT_DIR}/home/pi/odoo"
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rm -rf "${CLONE_DIR}"
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if [ ! -d $CLONE_DIR ]; then
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echo "Clone Github repo"
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mkdir -p "${CLONE_DIR}"
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git clone -b 8.0 --no-local --no-checkout --depth 1 https://github.com/odoo/odoo.git "${CLONE_DIR}"
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cd "${CLONE_DIR}"
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git config core.sparsecheckout true
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echo "addons/web
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addons/hw_*
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addons/point_of_sale/tools/posbox/configuration
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openerp/
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odoo.py" | tee --append .git/info/sparse-checkout > /dev/null
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git read-tree -mu HEAD
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fi
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cd "${__dir}"
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USR_BIN="${OVERWRITE_FILES_BEFORE_INIT_DIR}/usr/bin/"
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mkdir -p "${USR_BIN}"
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cd "/tmp"
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curl 'https://bin.equinox.io/c/4VmDzA7iaHb/ngrok-stable-linux-arm.zip' > ngrok.zip
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unzip ngrok.zip
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rm ngrok.zip
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cd "${__dir}"
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mv /tmp/ngrok "${USR_BIN}"
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# zero pad the image to be around 3.5 GiB, by default the image is only ~1.3 GiB
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echo "Enlarging the image..."
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dd if=/dev/zero bs=1M count=2048 >> posbox.img
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# resize partition table
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echo "Fdisking"
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START_OF_ROOT_PARTITION=$(fdisk -l posbox.img | tail -n 1 | awk '{print $2}')
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(echo 'p'; # print
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echo 'd'; # delete
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echo '2'; # second partition
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echo 'n'; # create new partition
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echo 'p'; # primary
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echo '2'; # number 2
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echo "${START_OF_ROOT_PARTITION}"; # starting at previous offset
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echo ''; # ending at default (fdisk should propose max)
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echo 'p'; # print
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echo 'w') | fdisk posbox.img # write and quit
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LOOP_MAPPER_PATH=$(kpartx -avs posbox.img | tail -n 1 | cut -d ' ' -f 3)
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LOOP_MAPPER_PATH="/dev/mapper/${LOOP_MAPPER_PATH}"
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sleep 5
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# resize filesystem
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e2fsck -f "${LOOP_MAPPER_PATH}" # resize2fs requires clean fs
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resize2fs "${LOOP_MAPPER_PATH}"
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mkdir "${MOUNT_POINT}"
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mount "${LOOP_MAPPER_PATH}" "${MOUNT_POINT}"
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# 'overlay' the overwrite directory onto the mounted image filesystem
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cp -a "${OVERWRITE_FILES_BEFORE_INIT_DIR}"/* "${MOUNT_POINT}"
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# get rid of the git clone
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rm -rf "${CLONE_DIR}"
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# and the ngrok usr/bin
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rm -rf "${OVERWRITE_FILES_BEFORE_INIT_DIR}/usr"
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# get rid of the mount, we have to remount it anyway because we have
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# to "refresh" the filesystem after qemu modified it
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sleep 2
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umount "${MOUNT_POINT}"
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# from http://paulscott.co.za/blog/full-raspberry-pi-raspbian-emulation-with-qemu/
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# ssh pi@localhost -p10022
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QEMU_OPTS=(-kernel kernel-qemu -cpu arm1176 -m 256 -M versatilepb -no-reboot -serial stdio -append 'root=/dev/sda2 rootfstype=ext4 rw' -hda posbox.img -net user,hostfwd=tcp::10022-:22,hostfwd=tcp::18069-:8069 -net nic)
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if [ -z ${DISPLAY:-} ] ; then
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QEMU_OPTS+=(-nographic)
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fi
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qemu-system-arm "${QEMU_OPTS[@]}"
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mount "${LOOP_MAPPER_PATH}" "${MOUNT_POINT}"
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cp -av "${OVERWRITE_FILES_AFTER_INIT_DIR}"/* "${MOUNT_POINT}"
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# cleanup
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sleep 2
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umount "${MOUNT_POINT}"
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rm -r "${MOUNT_POINT}"
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echo "Running zerofree..."
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zerofree -v "${LOOP_MAPPER_PATH}" || true
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kpartx -d posbox.img
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