This commit is contained in:
Bruce Leidl 2018-03-07 18:43:36 -05:00
parent 21662cdb06
commit 0c193ec3dd
4 changed files with 0 additions and 189 deletions

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[Unit]
Description=Run script to configure host0 interface
Before=network.target
[Service]
Type=oneshot
RemainAfterExit=yes
ExecStart=/usr/libexec/configure-host0.sh
[Install]
WantedBy=sysinit.target

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#!/bin/bash
# inspired by last section of
#
# https://www.freedesktop.org/wiki/Software/systemd/ContainerInterface/
#
SYSTEMD_ENV=$(xargs -a /proc/1/environ --null echo)
process_var() {
case ${1} in
"IFCONFIG_IP")
echo "IP: ${2}"
ip addr add ${2} dev host0
ip link set host0 up
;;
"IFCONFIG_GW")
echo "GW: ${2}"
ip route add default via ${2}
;;
esac
}
for var in ${SYSTEMD_ENV}; do
IFS="=" read -a PAIR <<< ${var}
if [[ ${#PAIR[@]} -eq 2 ]]; then
process_var ${PAIR[0]} ${PAIR[1]}
fi
done

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#!/bin/bash
DEBIAN_MIRROR="https://deb.debian.org/debian"
DEBIAN_RELEASE="buster"
SCRIPT_DIR=$(dirname $(realpath ${BASH_SOURCE}))
DBS_BASE=$(realpath ${SCRIPT_DIR}/../build/debootstrap)
DBS_ROOT=${DBS_BASE}/rootfs
CACHE_DIR=${DBS_BASE}/var-cache-apt-archives
run_debootstrap() {
[[ -d ${DBS_ROOT} ]] && rm -rf ${DBS_ROOT}
[[ -f ${CACHE_DIR}/lock ]] && rm -f ${CACHE_DIR}/lock
mkdir -p ${CACHE_DIR} ${DBS_ROOT}/var/cache/apt/archives
mount --bind ${CACHE_DIR} ${DBS_ROOT}/var/cache/apt/archives
debootstrap --verbose --merged-usr --variant=minbase \
--include=systemd-sysv,locales \
--exclude=sysv-rc,initscripts,startpar,lsb-base,insserv \
${DEBIAN_RELEASE} ${DBS_ROOT} ${DEBIAN_MIRROR}
}
run_chroot_stage() {
mount chproc ${DBS_ROOT}/proc -t proc
mount chsys ${DBS_ROOT}/sys -t sysfs
mkdir -p ${CACHE_DIR}/appimg-files
cp ${SCRIPT_DIR}/appimg-files/* ${CACHE_DIR}/appimg-files/
cp --preserve=mode ${SCRIPT_DIR}/build-user-rootfs-stage-two ${DBS_ROOT}/root/install.sh
DEBIAN_FRONTEND=noninteractive DEBCONF_NONINTERACTIVE_SEEN=true LC_ALL=C LANGUAGE=C LANG=C chroot ${DBS_ROOT} /root/install.sh ${DEBIAN_RELEASE} ${DEBIAN_MIRROR}
rm -f ${DBS_ROOT}/root/install.sh
}
cleanup_chroot() {
umount ${DBS_ROOT}/proc
umount ${DBS_ROOT}/sys
umount ${DBS_ROOT}/var/cache/apt/archives
rm -f ${DBS_ROOT}/var/cache/apt/pkgcache.bin
rm -f ${DBS_ROOT}/var/cache/apt/srcpkgcache.bin
}
generate_tarball() {
printf "\n\n----- Generating rootfs tarball -----\n\n"
tar -C ${DBS_ROOT} --numeric-owner -c --xattrs --xattrs-include=* -f ${DBS_BASE}/user-rootfs.tar .
xz --force --threads=0 ${DBS_BASE}/user-rootfs.tar
ls -al ${DBS_BASE}/user-rootfs.tar
printf "\n\n"
}
run_debootstrap
run_chroot_stage
cleanup_chroot
generate_tarball

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#!/bin/bash
PACKAGES="man manpages vim less xz-utils sudo tmux dbus libpam-systemd vifm openssh-client gnome-terminal packagekit-gtk3-module libcanberra-gtk3-module libpulse0 firefox fonts-roboto-hinted nautilus eog evince unzip"
# appimg-files are stored here because we're already bind mounting the parent directory
APPIMG_FILES="/var/cache/apt/archives/appimg-files"
setup_locale() {
echo "en_US.UTF-8 UTF-8" > /etc/locale.gen
locale-gen
update-locale LANG=en_US.UTF-8
export LANG=en_US.UTF-8 LC_ALL=en_US.UTF-8 LC_CTYPE=en_US.UTF-8
}
configure_systemd() {
mkdir -p /etc/systemd/user.conf.d
printf '[Manager]\nDefaultEnvironment="DISPLAY=:0"\n' > /etc/systemd/user.conf.d/50-display-env.conf
mkdir -p /etc/systemd/logind.conf.d
printf 'KillUserProcesses=no\n' > /etc/systemd/logind.conf.d/50-no-kill-user-processes.conf
}
write_launch_script() {
mkdir -p /usr/libexec
cat > /usr/libexec/launch <<- 'EOF'
#!/bin/bash
export DISPLAY=:0
export DBUS_SESSION_BUS_ADDRESS=unix:path=/run/user/1000/bus
export XDG_RUNTIME_DIR=/run/user/1000
export PULSE_SERVER=unix:/run/user/host/pulse/native
export GNOME_DESKTOP_SESSION_ID=this-is-deprecated
$@
EOF
chmod +x /usr/libexec/launch
}
generate_apt_sources() {
echo "deb ${DEBIAN_MIRROR} ${DEBIAN_RELEASE} main contrib non-free"
echo "deb ${DEBIAN_MIRROR}-security ${DEBIAN_RELEASE}/updates main contrib non-free"
echo "deb ${DEBIAN_MIRROR} unstable main"
}
setup_etc() {
printf "127.0.0.1\tsubgraph localhost\n" > /etc/hosts
echo "subgraph" > /etc/hostname
generate_apt_sources > /etc/apt/sources.list
echo 'APT::Install-Recommends "0";' > /etc/apt/apt.conf.d/99no-install-recommends
echo 'APT::Install-Suggests "0";' >> /etc/apt/apt.conf.d/99no-install-recommends
}
create_user() {
useradd -s /bin/bash -m user
echo "user:user" | chpasswd
usermod -aG sudo user
echo "export DISPLAY=:0" >> /home/user/.bashrc
}
install_packages() {
apt-get update
apt-get --assume-yes upgrade
apt-get --assume-yes install ${PACKAGES}
printf "\n\nInstalled Packages\n\n"
dpkg -l
}
post_install_packages() {
# Otherwise gnome-terminal won't work if nothing else has been launched
# see 'enable-linger' in loginctl(1)
mkdir /var/lib/systemd/linger
touch /var/lib/systemd/linger/user
install -m 0755 ${APPIMG_FILES}/configure-host0.sh /usr/libexec
install -m 0644 ${APPIMG_FILES}/configure-host0.service /usr/lib/systemd/system
systemctl enable configure-host0.service
}
set -u
set -e
DEBIAN_RELEASE=${1}
DEBIAN_MIRROR=${2}
setup_locale
configure_systemd
write_launch_script
setup_etc
create_user
install_packages
post_install_packages