Add yunohost installation as stage3

This commit is contained in:
Alexandre Aubin 2018-03-08 17:53:23 +00:00
parent 2ea945e62b
commit f7ca8d84e8
2 changed files with 528 additions and 0 deletions

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#!/bin/bash -e
install -m 744 files/install_yunohost ${ROOTFS_DIR}/tmp/
on_chroot << EOF
cd /tmp/
./install_yunohost -a -i
EOF

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#!/bin/bash
# Copyright (C) 2015-2017 YunoHost
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as
# published by the Free Software Foundation, either version 3 of the
# License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
set -u
# Globals
readonly YUNOHOST_LOG="/var/log/yunohost-installation_$(date +%Y%m%d_%H%M%S).log"
###############################################################################
# Main functions #
###############################################################################
function usage() {
echo "
Usage :
`basename $0` [-a] [-d <DISTRIB>] [-h]
Options :
-a Enable automatic mode. No questions are asked.
This does not perform the post-install step.
-d Choose the distribution to install ('stable', 'testing', 'unstable').
Defaults to 'stable'
-f Ignore checks before starting the installation. Use only if you know
what you are doing.
-h Prints this help and exit
"
}
function parse_options()
{
AUTOMODE=0
DISTRIB=stable
BUILD_IMAGE=0
FORCE=0
while getopts ":aid:fh" option; do
case $option in
a)
AUTOMODE=1
export DEBIAN_FRONTEND=noninteractive
;;
d)
DISTRIB=$OPTARG
;;
f)
FORCE=1
;;
i)
# This hidden option will allow to build generic image for Rpi/Olimex
BUILD_IMAGE=1
;;
h)
usage
exit 0
;;
:)
usage
exit 1
;;
\?)
usage
exit 1
;;
esac
done
}
function main()
{
parse_options "$@"
check_assertions
step upgrade_system || die "Unable to update the system"
step install_script_dependencies || die "Unable to install dependencies to install script"
step create_custom_config || die "Creating custom configuration file /etc/yunohost/yunohost.conf failed"
step confirm_installation || die "Installation cancelled at your request"
step setup_package_source || die "Setting up deb package sources failed"
step apt_update || die "Error caught during 'apt-get update'"
step register_debconf || die "Unable to insert new values into debconf database"
step workaround_avahi_installation || die "Unable to install workaround for avahi installation"
step install_yunohost_packages || die "Installation of Yunohost packages failed"
step restart_services || die "Error caught during services restart"
if is_raspbian ; then
step del_user_pi || die "Unable to delete user pi"
step setup_firstboot || die "Unable to setup firstboot"
fi
if [[ "$BUILD_IMAGE" == "1" ]] ; then
step clean_image || die "Unable to clean image"
fi
if is_raspbian ; then
# Reboot should be done before postinstall to be able to run iptables rules
reboot
fi
step post_install || die "Post-installation failed"
info "Installation logs are available in $YUNOHOST_LOG"
success "YunoHost installation completed !"
exit 0
}
###############################################################################
# Helpers #
###############################################################################
readonly normal=$(printf '\033[0m')
readonly bold=$(printf '\033[1m')
readonly faint=$(printf '\033[2m')
readonly underline=$(printf '\033[4m')
readonly negative=$(printf '\033[7m')
readonly red=$(printf '\033[31m')
readonly green=$(printf '\033[32m')
readonly orange=$(printf '\033[33m')
readonly blue=$(printf '\033[34m')
readonly yellow=$(printf '\033[93m')
readonly white=$(printf '\033[39m')
function success()
{
local msg=${1}
echo "[${bold}${green} OK ${normal}] ${msg}" | tee -a $YUNOHOST_LOG
}
function info()
{
local msg=${1}
echo "[${bold}${blue}INFO${normal}] ${msg}" | tee -a $YUNOHOST_LOG
}
function warn()
{
local msg=${1}
echo "[${bold}${orange}WARN${normal}] ${msg}" | tee -a $YUNOHOST_LOG >&2
}
function error()
{
local msg=${1}
echo "[${bold}${red}FAIL${normal}] ${msg}" | tee -a $YUNOHOST_LOG >&2
}
function die() {
error "$1"
info "Installation logs are available in $YUNOHOST_LOG"
exit 1
}
function step() {
info "Running $1"
$*
local return_code="$?"
return $return_code
}
function apt_get_wrapper() {
if [[ "$AUTOMODE" == "0" ]] ;
then
debconf-apt-progress \
--logfile $YUNOHOST_LOG \
-- \
apt-get $*
else
apt-get $* >> $YUNOHOST_LOG 2>&1
fi
}
function apt_update() {
apt_get_wrapper update
}
###############################################################################
# Installation steps #
###############################################################################
function check_assertions()
{
# Assert we're on Debian
# Note : we do not rely on lsb_release to avoid installing a dependency
# only to check this...
[[ -f "/etc/debian_version" ]] || die "This script can only be ran on Debian."
# Assert we're on Stretch
# Note : we do not rely on lsb_release to avoid installing a dependency
# only to check this...
[[ "$(cat /etc/debian_version)" =~ ^9.* ]] || die "This script can only be ran on Debian Stretch."
# Assert we're root
[[ "$(id -u)" == "0" ]] || die "This script must be run as root."
# Assert systemd is installed
command -v systemctl > /dev/null || die "YunoHost requires systemd to be installed."
# If we're on Raspbian, we want the user 'pi' to be logged out because
# it's going to be deleted for security reasons...
if is_raspbian ; then
user_pi_logged_out || die "The user pi should be logged out."
fi
# Check possible conflict with apache, bind9.
[[ -z "$(dpkg --get-selections | grep -v deinstall | grep 'bind9 ')" ]] || [[ "$FORCE" == "1" ]] \
|| die "Bind9 is installed and might conflict with dnsmasq. Uninstall it first, or if you know what you are doing, run this script with -f."
[[ -z "$(dpkg --get-selections | grep -v deinstall | grep 'apache2 ')" ]] || [[ "$FORCE" == "1" ]] \
|| die "Apache is installed and might conflict with nginx. Uninstall it first, or if you know what you are doing, run this script with -f."
}
function upgrade_system() {
apt_get_wrapper update \
|| return 1
apt_get_wrapper -y dist-upgrade \
|| return 2
if is_raspbian ; then
apt_get_wrapper -o Dpkg::Options::="--force-confold" \
-y --force-yes install rpi-update \
|| return 3
if [[ "$BUILD_IMAGE" != "1" ]] ; then
rpi-update >> $YUNOHOST_LOG 2>&1 \
|| return 4
fi
fi
}
function install_script_dependencies() {
# dependencies of the install script itself
local DEPENDENCIES="lsb-release wget whiptail"
if [[ "$AUTOMODE" == "0" ]] ;
then
DEPENDENCIES+=" dialog"
fi
apt_get_wrapper -o Dpkg::Options::="--force-confold" \
-y --force-yes install \
$DEPENDENCIES \
|| return 1
}
function create_custom_config() {
# Create YunoHost configuration folder
mkdir -p /etc/yunohost/
# Store info about installation method
touch /etc/yunohost/from_script
}
function confirm_installation() {
[[ "$AUTOMODE" == "1" ]] && return 0
local text="
Caution !
Your configuration files for :
- postfix
- dovecot
- mysql
- nginx
- metronome
will be overwritten !
Are you sure you want to proceed with the installation of Yunohost?
"
whiptail --title "Yunohost Installation" --yesno "$text" 20 78
}
function setup_package_source() {
local CUSTOMAPT=/etc/apt/sources.list.d/yunohost.list
# Debian repository
# FIXME : move "vinaigrette." to "repo." at some point...
local CUSTOMDEB="deb http://vinaigrette.yunohost.org/debian/ stretch stable testing unstable"
if [[ "$DISTRIB" == "stable" ]] ; then
echo "$CUSTOMDEB" > $CUSTOMAPT
elif [[ "$DISTRIB" == "testing" ]] ; then
echo "$CUSTOMDEB testing" > $CUSTOMAPT
elif [[ "$DISTRIB" == "unstable" ]] ; then
echo "$CUSTOMDEB testing unstable" > $CUSTOMAPT
fi
# Add YunoHost repository key to the keyring
# FIXME : move "vinaigrette." to "repo." at some point...
wget -O- https://vinaigrette.yunohost.org/yunohost.asc -q | apt-key add -qq - >/dev/null 2>&1
}
function register_debconf() {
debconf-set-selections << EOF
slapd slapd/password1 password yunohost
slapd slapd/password2 password yunohost
slapd slapd/domain string yunohost.org
slapd shared/organization string yunohost.org
slapd slapd/allow_ldap_v2 boolean false
slapd slapd/invalid_config boolean true
slapd slapd/backend select MDB
postfix postfix/main_mailer_type select Internet Site
postfix postfix/mailname string /etc/mailname
mysql-server-5.5 mysql-server/root_password password yunohost
mysql-server-5.5 mysql-server/root_password_again password yunohost
mariadb-server-10.0 mysql-server/root_password password yunohost
mariadb-server-10.0 mysql-server/root_password_again password yunohost
nslcd nslcd/ldap-bindpw password
nslcd nslcd/ldap-starttls boolean false
nslcd nslcd/ldap-reqcert select
nslcd nslcd/ldap-uris string ldap://localhost/
nslcd nslcd/ldap-binddn string
nslcd nslcd/ldap-base string dc=yunohost,dc=org
libnss-ldapd libnss-ldapd/nsswitch multiselect group, passwd, shadow
EOF
}
function workaround_avahi_installation() {
# When attempting several installation of Yunohost on the same host
# with a light VM system like LXC
# we hit a bug with avahi-daemon postinstallation
# This is described in detail in https://github.com/lxc/lxc/issues/25
#
# It makes the configure step of avahi-daemon fail, because the service does
# start correctly. Then all other packages depending on avahi-daemon refuse to
# configure themselves.
#
# The workaround we use is to generate a random uid for the avahi user, and
# create the user with this id beforehand, so that the avahi-daemon postinst
# script does not do it on its own. Our randomized uid has far less chances to
# be already in use in another system than the automated one (which tries to use
# consecutive uids).
# Return without error if avahi already exists
if id avahi > /dev/null 2>&1 ; then
info "User avahi already exists (with uid $(id avahi)), skipping avahi workaround"
return 0
fi
# Get a random unused uid between 500 and 999 (system-user)
local avahi_id=$((500 + RANDOM % 500))
while cut -d ':' -f 3 /etc/passwd | grep -q $avahi_id ;
do
avahi_id=$((500 + RANDOM % 500))
done
info "Workaround for avahi : creating avahi user with uid $avahi_id"
# Use the same adduser parameter as in the avahi-daemon postinst script
# Just specify --uid explicitely
adduser --disabled-password --quiet --system \
--home /var/run/avahi-daemon --no-create-home \
--gecos "Avahi mDNS daemon" --group avahi \
--uid $avahi_id
}
function install_yunohost_packages() {
# Allow sudo removal even if no root password has been set (on some DO
# droplet or Vagrant virtual machines), as YunoHost use sudo-ldap
export SUDO_FORCE_REMOVE=yes
# On some machines (e.g. OVH VPS), the /etc/resolv.conf is immutable
# We need to make it mutable for the resolvconf dependency to be installed
chattr -i /etc/resolv.conf 2>/dev/null || true
# Install YunoHost
apt_get_wrapper \
-o Dpkg::Options::="--force-confold" \
-y --force-yes install \
yunohost yunohost-admin postfix
}
function restart_services() {
service slapd restart
# service yunohost-firewall start
service unscd restart
service nslcd restart
# NOTE : We don't fail if slapd fails to restart...
return 0
}
function post_install() {
# No postinstall in auto mode
[[ "$AUTOMODE" == "1" ]] && return 0
# Remove whiptail and dialog remains...
clear
local text="
Yunohost packages have been installed successfully!
You can now proceed with Yunohost post-installation.
This is where you will be asked for :
- the main DNS domain name of your server
- the administration password
You can also perform this step later on your own :
- either from a shell, by running 'yunohost tools postinstall'
as root
- either from your web browser, by accessing https://yunohost.local
Please refer to https://yunohost.org/#/postinstall
for additionnal information.
Do you want to proceed with YunoHost post-installation now?
"
whiptail --title "Post-installation" --yesno "$text" 25 78 \
|| return 0
/usr/bin/yunohost tools postinstall
local POSTINSTALL_EXIT_CODE="$?"
while [[ "$POSTINSTALL_EXIT_CODE" != "0" ]] ;
do
local text_retry="
Yunohost post-installation has failed.
Do you want to try again now?
"
whiptail --title "Post-installation" --yesno "$text_retry" 12 78 --defaultno \
|| return $POSTINSTALL_EXIT_CODE
/usr/bin/yunohost tools postinstall
POSTINSTALL_EXIT_CODE="$?"
done
return 0
}
###############################################################################
# Raspbian specific stuff #
###############################################################################
function is_raspbian() {
# On Raspbian image lsb_release is available
if [[ "$(lsb_release -i -s 2> /dev/null)" != "Raspbian" ]] ;
then
return 1
fi
return 0
}
function user_pi_logged_out() {
who | grep pi > /dev/null && return 1
return 0
}
function del_user_pi() {
deluser --remove-all-files pi >> $YUNOHOST_LOG 2>&1
}
function setup_firstboot() {
cat > /etc/init.d/yunohost-firstboot << EOF
#!/bin/sh
### BEGIN INIT INFO
# Provides: expand rootfs and Generates new ssh host keys on first boot
# Required-Start: \$remote_fs \$syslog
# Required-Stop: \$remote_fs \$syslog
# Default-Start: 2 3 4 5
# Default-Stop:
# Short-Description: Generates new ssh host keys on first boot
# Description: Generates apt-get --purge clean new ssh host keys on $
### END INIT INFO
echo "Expanding rootfs ..."
raspi-config --expand-rootfs
echo "Removing myself ..."
insserv -r /etc/init.d/yunohost-firstboot
rm -f /etc/init.d/yunohost-firstboot
rm /etc/yunohost/firstboot
echo "Rebooting ..."
reboot
EOF
chmod a+x /etc/init.d/yunohost-firstboot
insserv /etc/init.d/yunohost-firstboot
touch /etc/yunohost/firstboot
}
###############################################################################
# Image building specific stuff #
###############################################################################
function clean_image() {
# Delete SSH keys
rm -f /etc/ssh/ssh_host_* >> $YUNOHOST_LOG 2>&1
yes | ssh-keygen -f /etc/ssh/ssh_host_rsa_key -N '' -t rsa >> $YUNOHOST_LOG 2>&1
yes | ssh-keygen -f /etc/ssh/ssh_host_dsa_key -N '' -t dsa >> $YUNOHOST_LOG 2>&1
yes | ssh-keygen -f /etc/ssh/ssh_host_ecdsa_key -N '' -t ecdsa -b 521 >> $YUNOHOST_LOG 2>&1
# Deleting logs ...
find /var/log -type f -exec rm {} \; >> $YUNOHOST_LOG 2>&1
# Purging apt ...
apt-get --purge clean >> $YUNOHOST_LOG 2>&1
}
###############################################################################
main "$@"