Jerry/menhera.sh
1
0
Fork 0
Code Issues Pull requests Projects Releases Wiki Activity

use namespace menhera

Browse source
This commit is contained in:
James Swineson 2019-09-01 22:46:31 +08:00 committed by GitHub
parent b996c0e7ee
commit 06e71d3b7b
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
1 changed files with 19 additions and 19 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

38
menhera.sh
View file

@ -13,7 +13,7 @@ NEWROOT=""
export PATH="$PATH:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin" export PATH="$PATH:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin"
# environment compatibility # environment compatibility
__compat_restart_ssh() { menhera::__compat_restart_ssh() {
if [ -x "$(command -v systemctl)" ]; then if [ -x "$(command -v systemctl)" ]; then
systemctl daemon-reload systemctl daemon-reload
systemctl restart ssh systemctl restart ssh
@ -25,7 +25,7 @@ __compat_restart_ssh() {
fi fi
} }
__compat_reload_init() { menhera::__compat_reload_init() {
if [ -x "$(command -v systemctl)" ]; then if [ -x "$(command -v systemctl)" ]; then
systemctl daemon-reexec systemctl daemon-reexec
elif [ -x "$(command -v telinit)" ]; then elif [ -x "$(command -v telinit)" ]; then
@ -38,7 +38,7 @@ __compat_reload_init() {
# helper functions # helper functions
# https://stackoverflow.com/a/3232082/2646069 # https://stackoverflow.com/a/3232082/2646069
confirm() { menhera::confirm() {
# call with a prompt string or use a default # call with a prompt string or use a default
read -r -p "${1:-Are you sure? [y/N]} " response read -r -p "${1:-Are you sure? [y/N]} " response
case "$response" in case "$response" in
@ -52,7 +52,7 @@ confirm() {
} }
# jobs # jobs
get_rootfs() { menhera::get_rootfs() {
if [ -n ${ROOTFS} ]; then if [ -n ${ROOTFS} ]; then
echo "Getting rootfs URL..." echo "Getting rootfs URL..."
@ -66,13 +66,13 @@ get_rootfs() {
fi fi
} }
sync_filesystem() { menhera::sync_filesystem() {
echo "Syncing..." echo "Syncing..."
sync sync
sync sync
} }
prepare_environment() { menhera::prepare_environment() {
echo "Loading kernel modules..." echo "Loading kernel modules..."
modprobe overlay modprobe overlay
modprobe squashfs modprobe squashfs
@ -97,7 +97,7 @@ prepare_environment() {
curl -L -C - -o "${WORKDIR}/rootfs.squashfs" "${ROOTFS}" curl -L -C - -o "${WORKDIR}/rootfs.squashfs" "${ROOTFS}"
} }
mount_new_rootfs() { menhera::mount_new_rootfs() {
echo "Mounting temporary rootfs..." echo "Mounting temporary rootfs..."
mount -t squashfs "${WORKDIR}/rootfs.squashfs" "${WORKDIR}/newrootro" mount -t squashfs "${WORKDIR}/rootfs.squashfs" "${WORKDIR}/newrootro"
mount -t overlay overlay -o rw,lowerdir="${WORKDIR}/newrootro",upperdir="${WORKDIR}/newrootrw",workdir="${WORKDIR}/overlayfs_workdir" "${WORKDIR}/newroot" mount -t overlay overlay -o rw,lowerdir="${WORKDIR}/newrootro",upperdir="${WORKDIR}/newrootrw",workdir="${WORKDIR}/overlayfs_workdir" "${WORKDIR}/newroot"
@ -105,7 +105,7 @@ mount_new_rootfs() {
NEWROOT="${WORKDIR}/newroot" NEWROOT="${WORKDIR}/newroot"
} }
install_software() { menhera::install_software() {
echo "Installing OpenSSH Server into new rootfs..." echo "Installing OpenSSH Server into new rootfs..."
# disable APT cache # disable APT cache
@ -115,7 +115,7 @@ install_software() {
DEBIAN_FRONTEND=noninteractive chroot "${NEWROOT}" apt-get -o Dpkg::Options::="--force-confdef" -o Dpkg::Options::="--force-confold" install -y openssh-server DEBIAN_FRONTEND=noninteractive chroot "${NEWROOT}" apt-get -o Dpkg::Options::="--force-confdef" -o Dpkg::Options::="--force-confold" install -y openssh-server
} }
copy_config() { menhera::copy_config() {
echo "Copying important config into new rootfs..." echo "Copying important config into new rootfs..."
! cp -ax "${OLDROOT}/etc/resolv.conf" "${NEWROOT}/etc" ! cp -ax "${OLDROOT}/etc/resolv.conf" "${NEWROOT}/etc"
! cp -axr "${OLDROOT}/etc/ssh" "${NEWROOT}/etc" ! cp -axr "${OLDROOT}/etc/ssh" "${NEWROOT}/etc"
@ -141,7 +141,7 @@ Have a lot of fun...
EOF EOF
} }
swap_root() { menhera::swap_root() {
echo "Swapping rootfs..." echo "Swapping rootfs..."
# prepare future mount point for our old rootfs # prepare future mount point for our old rootfs
mkdir -p "${WORKDIR}/newroot/mnt/oldroot" mkdir -p "${WORKDIR}/newroot/mnt/oldroot"
@ -164,7 +164,7 @@ swap_root() {
__compat_restart_ssh __compat_restart_ssh
} }
clear_processes() { menhera::clear_processes() {
echo "Disabling swap..." echo "Disabling swap..."
swapoff -a swapoff -a
@ -207,21 +207,21 @@ echo -e "\tYou have closed all programs you can, and backed up all important dat
echo -e "\tYou can SSH into your system as root user" echo -e "\tYou can SSH into your system as root user"
confirm || exit -1 confirm || exit -1
get_rootfs menhera::get_rootfs
sync_filesystem menhera::sync_filesystem
prepare_environment menhera::prepare_environment
mount_new_rootfs menhera::mount_new_rootfs
copy_config menhera::copy_config
install_software menhera::install_software
swap_root menhera::swap_root
echo -e "If you are connecting from SSH, please create a second session to this host use root and" echo -e "If you are connecting from SSH, please create a second session to this host use root and"
echo -e "confirm you can get a shell." echo -e "confirm you can get a shell."
echo -e "After your confirmation, we are going to kill the old SSH server." echo -e "After your confirmation, we are going to kill the old SSH server."
if confirm; then if confirm; then
clear_processes menhera::clear_processes
else else
echo -e "Please manually issue a reboot to recover your old OS. If you believe there is a bug in menhera.sh, " echo -e "Please manually issue a reboot to recover your old OS. If you believe there is a bug in menhera.sh, "
echo -e "raise a ticket at https://github.com/Jamesits/menhera.sh/issues ." echo -e "raise a ticket at https://github.com/Jamesits/menhera.sh/issues ."