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#!/bin/bash
# Copyright (c) 2012 - OpenSLX GmbH
#
# This program is free software distributed under the GPL version 2.
# See http://openslx.org/COPYING
#
# If you have any feedback please consult http://openslx.org/feedback and
# send your feedback to feedback@openslx.org
#
# General information about OpenSLX can be found at http://openslx.org
#
# Server side script to generate stage3.1,2 initial ramfses for OpenSLX Linux
# stateless clients
#############################################################################
#where we are
MODE_DIR="${ROOT_DIR}/server"
#files generated by this script land in boot
SERVER_BOOT_DIR="${MODE_DIR}/boot/${REMOTE_IP}"
#builds from remote server
SERVER_BUILD_DIR="${MODE_DIR}/local_builds/${REMOTE_IP}"
#stage32 sqfs directory
STAGE32_SQFS_DIR="${SERVER_BOOT_DIR}/stage32_sqfs/mnt"
# initial checks
initial_checks() {
local TOOL_STR="$TOOL_STR initial_checks:"
#check for required tools
for BIN in squashfs-tools
do
if dpkg -l "${BIN}" 2&>/dev/null; then
pinfo "Installing ${BIN}..."
apt-get -y install ${BIN}
fi
done
[ ! -d "${SERVER_BOOT_DIR}" ] && mkdir -p "${SERVER_BOOT_DIR}"
}
copy_kernel() {
#copy kernel to boot directory
pinfo "Copying kernel from ${REMOTE_IP} to ${SERVER_BOOT_DIR}/kernel/"
if [ -d ${SERVER_BUILD_DIR}/kernel ]; then
cd ${SERVER_BUILD_DIR}
tarcopy kernel ${SERVER_BOOT_DIR}
cd - &> /dev/null
fi
}
sync_remote() {
[[ "${#SERVER_BUILD_DIR}" -lt "10" ]] && perror "Safety check failed: SERVER_BUILD_DIR is less than 10 chars. ($SERVER_BUILD_DIR)"
pinfo "Synching '$REMOTE_IP:export/build' to './server/local_builds'..."
#TODO setup link to remote build directory, later this directory will be rsynced or exported to this server...
mkdir -p "${SERVER_BUILD_DIR}" || perror "Could not create directory for local copy of remote system ($SERVER_BUILD_DIR)"
rsync -a --numeric-ids --delete -v -e "ssh -oStrictHostKeyChecking=no" "root@$REMOTE_IP:/export/build/*" "$SERVER_BUILD_DIR" || perror "rsync from 'root@$REMOTE_IP:/export/build' to '$SERVER_BUILD_DIR' failed."
}
generate_stage32() {
local TOOL_STR="${TOOL_STR} generate_stage32:"
[ ! -d "${STAGE32_SQFS_DIR}" ] && mkdir -p "${STAGE32_SQFS_DIR}"
[ -e "${STAGE32_SQFS_DIR}/${TARGET}.sqfs" ] && rm "${STAGE32_SQFS_DIR}/${TARGET}.sqfs"
pinfo "Writing '${TARGET}.sqfs' to '${STAGE32_SQFS_DIR}/${TARGET}.sqfs'"
mksquashfs "${SERVER_BUILD_DIR}/${TARGET}" "${STAGE32_SQFS_DIR}/${TARGET}.sqfs" -comp xz -b 1M -no-recovery >&6 || perror "mksquashfs failed ($?)."
generate_initramfs "${SERVER_BOOT_DIR}/stage32_sqfs" "./mnt/${TARGET}.sqfs" "${SERVER_BOOT_DIR}/initramfs-${TARGET}"
# cleanup
[ -d "${SERVER_BOOT_DIR}/stage32_sqfs" ] && rm -rf ${SERVER_BOOT_DIR}/stage32_sqfs
}
generate_stage31() {
local TOOL_STR="${TOOL_STR} generate_stage31:"
pinfo "Writing 'initramfs-${TARGET}' to '${SERVER_BOOT_DIR}'"
generate_initramfs "${SERVER_BUILD_DIR}/${TARGET}" "." "${SERVER_BOOT_DIR}/initramfs-${TARGET}"
}
generate_addons() {
local TOOL_STR="${TOOL_STR} generate_addons:"
pinfo "Writing '${TARGET}.sqfs' to '${SERVER_BOOT_DIR}/${TARGET}.sqfs'"
[ -e "${SERVER_BOOT_DIR}/${TARGET}.sqfs" ] && rm "${SERVER_BOOT_DIR}/${TARGET}.sqfs"
mksquashfs "${SERVER_BUILD_DIR}/${TARGET}" "${SERVER_BOOT_DIR}/${TARGET}.sqfs" -comp xz -b 1M -no-recovery >&6 || perror "mksquashfs failed ($?)."
}
export_target() {
initial_checks
copy_kernel
TARGET=$1
[ -d ${SERVER_BUILD_DIR}/${TARGET} ] || perror "Given target directory does not exist: ${SERVER_BUILD_DIR}/${TARGET}"
case "$2" in
stage31)
generate_stage31
;;
stage32)
generate_stage32
;;
addons)
generate_addons
;;
esac
}
clean_target() {
TARGET=$1
local TOOL_STR="$TOOL_STR clean_target"
pinfo "Cleaning '${SERVER_BUILD_DIR}/${TARGET}'..."
[ -d "${SERVER_BUILD_DIR}/${TARGET}" -a ! -h "${SERVER_BUILD_DIR}" ] && { rm -rf "${SERVER_BUILD_DIR}/${TARGET}" || perror "rm -rf failed."; }
pinfo "Cleaning '${SERVER_BOOT_DIR}/kernel'..."
[ -e "${SERVER_BOOT_DIR}/kernel" ] && { rm "${SERVER_BOOT_DIR}/kernel" || perror "rm failed."; }
pinfo "Cleaning '${SERVER_BOOT_DIR}/initramfs-${TARGET}'..."
[ -e "${SERVER_BOOT_DIR}/initramfs-${TARGET}" ] && { rm "${SERVER_BOOT_DIR}/initramfs-${TARGET}" || perror "rm failed."; }
pinfo "Cleaning '${SERVER_BOOT_DIR}/${TARGET}.sqfs'..."
[ -e "${SERVER_BOOT_DIR}/${TARGET}.sqfs" ] && { rm "${SERVER_BOOT_DIR}/${TARGET}.sqfs" || perror "rm failed."; }
pinfo "Cleaning '${SERVER_BOOT_DIR}/stage32_dqfs/mnt/${TARGET}.sqfs'..."
[ -e "${SERVER_BOOT_DIR}/stage32_sqfs/mnt/${TARGET}.sqfs" ] && { rm "${SERVER_BOOT_DIR}/stage32_sqfs/mnt/${TARGET}.sqfs" || perror "rm failed."; }
}
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