Files
simplexmq/scripts/main/simplex-servers-update
sh dad7e1b60c simplex-servers-update: download scripts from tag (#1457)
* simplex-servers-update: download scripts from tag

* set remote version when re-executing the update script

* safeguard variables

* additional checks
2025-02-20 09:26:03 +00:00

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#!/usr/bin/env sh
set -eu
# Make sure that PATH variable contains /usr/local/bin
PATH="/usr/local/bin:$PATH"
# Default installation paths
path_bin="/usr/local/bin"
path_bin_smp="$path_bin/smp-server"
path_bin_xftp="$path_bin/xftp-server"
path_bin_update="$path_bin/simplex-servers-update"
path_bin_uninstall="$path_bin/simplex-servers-uninstall"
path_bin_stopscript="$path_bin/simplex-servers-stopscript"
path_systemd="/etc/systemd/system"
path_systemd_smp="$path_systemd/smp-server.service"
path_systemd_xftp="$path_systemd/xftp-server.service"
# Temporary paths
path_tmp_bin="/tmp/simplex-servers"
path_tmp_bin_smp="$path_tmp_bin/smp-server"
path_tmp_bin_xftp="$path_tmp_bin/xftp-server"
path_tmp_bin_update="$path_tmp_bin/simplex-servers-update"
path_tmp_bin_uninstall="$path_tmp_bin/simplex-servers-uninstall"
path_tmp_bin_stopscript="$path_tmp_bin/simplex-servers-stopscript"
path_tmp_systemd_smp="$path_tmp_bin/smp-server.service"
path_tmp_systemd_xftp="$path_tmp_bin/xftp-server.service"
path_conf_etc='/etc/opt'
path_conf_info='/etc/opt/simplex-info'
GRN='\033[0;32m'
BLU='\033[1;36m'
YLW='\033[1;33m'
RED='\033[0;31m'
NC='\033[0m'
BLD='\033[1m'
UNDRL='\033[4m'
NL='
'
# Set VER globally and only once
VER="${VER:-latest}"
# Currently, XFTP default to v0.1.0, so it doesn't make sense to check its version
######################
### Misc functions ###
######################
# Checks "sanity" of downloaded thing, e.g. if it's really a script or binary
check_sanity() {
path="$1"
criteria="$2"
case "$criteria" in
string:*)
pattern="$(printf '%s' "$criteria" | awk '{print $2}')"
if grep -q "$pattern" "$path"; then
sane=0
else
sane=1
fi
;;
file:*)
pattern="$(printf '%s' "$criteria" | awk '{print $2}')"
if file "$path" | grep -q "$pattern"; then
sane=0
else
sane=1
fi
;;
*) printf 'Unknown criteria.\n'; sane=1 ;;
esac
unset path string
return "$sane"
}
# Checks if old thing and new thing is different
change_check() {
old="$1"
new="$2"
if [ -x "$new" ] || [ -f "$new" ]; then
type="$(file $new)"
else
type='string'
fi
case "$type" in
*script*|*text*)
if diff -q "$old" "$new" > /dev/null 2>&1; then
changed=1
else
changed=0
fi
;;
string)
if [ "$old" = "$new" ]; then
changed=1
else
changed=0
fi
;;
esac
return "$changed"
}
##########################
### Misc functions END ###
##########################
#########################
### Support functions ###
#########################
# Sets local/remote versions and "apps" variables
check_versions() {
# Sets:
# - ver
# - bin_url
# - remote_version
# - local_version
# - apps
case "$VER" in
latest)
remote_version="$(curl --proto '=https' --tlsv1.2 -sSf -L https://api.github.com/repos/simplex-chat/simplexmq/releases/latest 2>/dev/null | grep -i "tag_name" | awk -F \" '{print $4}')"
if [ -z "$remote_version" ]; then
printf "${RED}Something went wrong when ${YLW}resolving the lastest version${NC}: either you don't have connection to Github or you're rate-limited.\n"
exit 1
fi
;;
*)
# Check if this version really exist
ver_check="https://github.com/simplex-chat/simplexmq/releases/tag/${VER}"
if curl -o /dev/null --proto '=https' --tlsv1.2 -sf -L "${ver_check}"; then
remote_version="${VER}"
else
printf "Provided version ${BLU}%s${NC} ${RED}doesn't exist${NC}! Switching to ${BLU}latest${NC}.\n" "${VER}"
VER='latest'
# Re-execute check
check_versions
# Everything has been done, so return from the function
return 0
fi
;;
esac
# Links to scripts/configs
bin_url="https://github.com/simplex-chat/simplexmq/releases/download/${remote_version}"
scripts_url="https://raw.githubusercontent.com/simplex-chat/simplexmq/refs/tags/${remote_version}/scripts/main"
scripts_url_systemd_smp="$scripts_url/smp-server.service"
scripts_url_systemd_xftp="$scripts_url/xftp-server.service"
scripts_url_update="$scripts_url/simplex-servers-update"
scripts_url_uninstall="$scripts_url/simplex-servers-uninstall"
scripts_url_stopscript="$scripts_url/simplex-servers-stopscript"
set +u
for i in smp xftp; do
# Only check local directory where binaries are installed by the script
if command -v "/usr/local/bin/$i-server" >/dev/null; then
apps="$i $apps"
fi
done
set -u
if [ -z "$apps" ]; then
printf "${RED}No simplex servers installed! Aborting.${NC}\n"
exit 1
fi
for server in $apps; do
# Check if info file is present
if [ -f "$path_conf_info/release" ]; then
# If present, source it
. "$path_conf_info/release" 2>/dev/null
# Check if line containing local version exists in file
if grep -q "local_version_${server}" "$path_conf_info/release"; then
# if exists, set the var
eval "local_version=\$local_version_${server}"
else
# If it doesn't, append it to file
printf "local_version_${server}=unset\n" >> "$path_conf_info/release"
# And set it in script (so we don't have to re-source the file)
eval "local_version_${server}=unset"
fi
else
# If there isn't info file, populate it
printf "local_version_${server}=unset\n" >> "$path_conf_info/release"
fi
done
# Return
return 0
}
# Checks the distro and sets the urls variables
check_distro() {
. /etc/os-release
case "$VERSION_ID" in
20.04|22.04) : ;;
24.04) VERSION_ID='22.04' ;;
*) printf "${RED}Unsupported Ubuntu version!${NC}\nPlease file Github issue with request to support Ubuntu %s: https://github.com/simplex-chat/simplexmq/issues/new\n" "$VERSION_ID" && exit 1 ;;
esac
version="$(printf '%s' "$VERSION_ID" | tr '.' '_')"
arch="$(uname -p)"
case "$arch" in
x86_64) arch="$(printf '%s' "$arch" | tr '_' '-')" ;;
*) printf "${RED}Unsupported architecture!${NC}\nPlease file Github issue with request to support %s architecture: https://github.com/simplex-chat/simplexmq/issues/new" "$arch" && exit 1 ;;
esac
bin_url_smp="$bin_url/smp-server-ubuntu-${version}-${arch}"
bin_url_xftp="$bin_url/xftp-server-ubuntu-${version}-${arch}"
return 0
}
# General checks that must be performed on the initial execution of script
checks() {
if [ "$(id -u)" -ne 0 ]; then
printf "This script is intended to be run with root privileges. Please re-run script using sudo.\n"
exit 1
fi
check_versions
check_distro
mkdir -p $path_conf_info $path_tmp_bin
return 0
}
#############################
### Support functions END ###
#############################
######################
### Main functions ###
######################
# Downloads thing to directory and checks its sanity
download_thing() {
thing="$1"
path="$2"
check_pattern="$3"
err_msg="$4"
if ! curl --proto '=https' --tlsv1.2 -sSf -L "$thing" -o "$path"; then
printf "${RED}Something went wrong when downloading ${YLW}%s${NC}: either you don't have connection to Github or you're rate-limited.\n" "$err_msg"
exit 1
fi
type="$(file "$path")"
case "$type" in
*script*|*executable*) chmod +x "$path" ;;
esac
if ! check_sanity "$path" "$check_pattern"; then
printf "${RED}Something went wrong with downloaded ${YLW}%s${NC}: file is corrupted.\n" "$err_msg"
exit 1
fi
return 0
}
# Downloads all necessary files to temp dir and set update messages for the menu
download_all() {
download_thing "$scripts_url_update" "$path_tmp_bin_update" 'string: /usr/bin/env' 'Update script'
if change_check "$path_tmp_bin_update" "$path_bin_update"; then
msg_scripts="${msg_scripts+$msg_scripts, }${YLW}simplex-servers-update${NC}"
msg_scripts_raw="${msg_scripts_raw+$msg_scripts_raw/}update"
fi
download_thing "$scripts_url_stopscript" "$path_tmp_bin_stopscript" 'string: /usr/bin/env' 'Stop script'
if change_check "$path_tmp_bin_stopscript" "$path_bin_stopscript"; then
msg_scripts="${msg_scripts+$msg_scripts, }${YLW}simplex-servers-stopscript${NC}"
msg_scripts_raw="${msg_scripts_raw+$msg_scripts_raw/}stop"
fi
download_thing "$scripts_url_uninstall" "$path_tmp_bin_uninstall" 'string: /usr/bin/env' 'Uninstall script'
if change_check "$path_tmp_bin_uninstall" "$path_bin_uninstall"; then
msg_scripts="${msg_scripts+$msg_scripts, }${YLW}simplex-servers-uninstall${NC}"
msg_scripts_raw="${msg_scripts_raw+$msg_scripts_raw/}uninstall"
fi
for i in $apps; do
service="${i}-server"
eval "scripts_url_systemd_final=\$scripts_url_systemd_${i}"
eval "path_tmp_systemd_final=\$path_tmp_systemd_${i}"
eval "path_systemd_final=\$path_systemd_${i}"
download_thing "$scripts_url_systemd_final" "$path_tmp_systemd_final" 'string: [Unit]' "$service systemd service"
if change_check "$path_tmp_systemd_final" "$path_systemd_final"; then
msg_services="${msg_services+$msg_services, }${YLW}$service.service${NC}"
msg_services_raw="${msg_services_raw+$msg_services_raw/}$service"
fi
done
for i in $apps; do
service="${i}-server"
eval "local_version=\$local_version_${i}"
if change_check "$local_version" "$remote_version"; then
msg_bins="${msg_bins+$msg_bins$NL} - ${YLW}$service${NC}: from ${BLU}$local_version${NC} to ${BLU}$remote_version${NC}"
msg_bins_alt="${msg_bins_alt+$msg_bins_alt, }${YLW}$service${NC}"
msg_bins_raw="${msg_bins_raw+$msg_bins_raw/}$service"
fi
done
return 0
}
# Updates systemd and scripts. This function depends om variables from "download_all"
update_misc() {
OLD_IFS="$IFS"
IFS='/'
for script in ${msg_scripts_raw:-}; do
case "$script" in
update)
printf -- "- Updating update script..."
mv "$path_tmp_bin_update" "$path_bin_update"
printf "${GRN}Done!${NC}\n"
printf -- "- Re-executing Update script..."
exec env UPDATE_SCRIPT_DONE=1 VER="$remote_version" "$path_bin_update" "${selection}"
;;
stop)
printf -- "- Updating stopscript script..."
mv "$path_tmp_bin_stopscript" "$path_bin_stopscript"
printf "${GRN}Done!${NC}\n"
;;
uninstall)
printf -- "- Updating uninstall script..."
mv "$path_tmp_bin_uninstall" "$path_bin_uninstall"
printf "${GRN}Done!${NC}\n"
;;
esac
done
for service in ${msg_services_raw:-}; do
app="${service%%-*}"
eval "path_systemd=\$path_systemd_${app}"
eval "path_tmp_systemd=\$path_tmp_systemd_${app}"
printf -- "- Updating %s service..." "$service"
mv "$path_tmp_systemd" "$path_systemd"
systemctl daemon-reload
printf "${GRN}Done!${NC}\n"
done
IFS="$OLD_IFS"
return 0
}
# Updates binaries. This function depends on variables from "download_all"
update_bins() {
OLD_IFS="$IFS"
IFS='/'
for service in ${msg_bins_raw:-}; do
app="${service%%-*}"
eval "local_version=\$local_version_${app}"
eval "bin_url_final=\$bin_url_${app}"
eval "path_tmp_bin_final=\$path_tmp_bin_${app}"
eval "path_bin_final=\$path_bin_${app}"
# If systemd service is active
if systemctl is-active --quiet "$service"; then
printf -- "- Stopping %s service..." "$service"
systemctl stop "$service"
printf "${GRN}Done!${NC}\n"
printf -- "- Updating ${YLW}%s${NC} from ${BLU}%s${NC} to ${BLU}%s${NC}..." "$service" "$local_version" "$remote_version"
download_thing "$bin_url_final" "$path_tmp_bin_final" 'file: ELF' "$service"
mv "$path_tmp_bin_final" "$path_bin_final"
printf "${GRN}Done!${NC}\n"
printf -- "- Starting %s service..." "$service"
systemctl start "$service"
printf "${GRN}Done!${NC}\n"
else
# If systemd service is NOT active
printf -- "- Updating ${YLW}%s${NC} from ${BLU}%s${NC} to ${BLU}%s${NC}..." "$service" "$local_version" "$remote_version"
download_thing "$bin_url_final" "$path_tmp_bin_final" 'file: ELF' "$service"
mv "$path_tmp_bin_final" "$path_bin_final"
printf "${GRN}Done!${NC}\n"
fi
# Don't forget to set version
sed -i -- "s|local_version_${app}=.*|local_version_${app}='${remote_version}'|" "$path_conf_info/release"
done
IFS="$OLD_IFS"
return 0
}
# Just download binaries
download_bins() {
OLD_IFS="$IFS"
IFS='/'
for service in ${msg_bins_raw:-}; do
app="${service%%-*}"
eval "local_version=\$local_version_${app}"
eval "bin_url_final=\$bin_url_${app}"
eval "path_tmp_bin_final=\$path_tmp_bin_${app}"
eval "path_bin_final=\$path_bin_${app}"
printf -- "- Downloading ${YLW}%s${NC} binary..." "$service"
download_thing "$bin_url_final" "$path_tmp_bin_final" 'file: ELF' "$service"
printf "${GRN}Done!${NC}\n"
done
IFS="$OLD_IFS"
return 0
}
menu_init_help() {
menu_help="Update script for SimpleX servers and scripts.${NL}${NL}"
menu_help="${menu_help}${BLD}${UNDRL}Usage:${NC} [<VARIABLE>] ${BLD}simplex-servers-update${NC}${NL} [<VARIABLE>] ${BLD}simplex-servers-update${NC} [<SUBCOMMAND>]${NL}${NL}"
menu_help="${menu_help}${BLD}${UNDRL}Subcommands:${NC}${NL}"
menu_help_sub=" ${BLD}[a]ll${NC} Update everything without confirmation${NL}"
menu_help_sub="${menu_help_sub} ${BLD}[b]inaries${NC} Update binaries only without confirmation${NL}"
menu_help_sub="${menu_help_sub} ${BLD}[d]ownload${NC} Download everything without updating${NL}"
menu_help_sub="${menu_help_sub} ${BLD}[h]elp${NC} Print this message${NL}${NL}"
menu_help="${menu_help}${menu_help_sub}"
menu_help="${menu_help}${BLD}${UNDRL}Variables:${NC}${NL}"
menu_help="${menu_help} ${BLD}VER=v3.2.1-beta.0${NC} Update binaries to specified version${NL}"
return 0
}
menu_init() {
menu_end="${RED}x${NC}) Exit${NL}${NL}Selection: "
menu_option_download="${GRN}d${NC}) Download files only${NL}"
if [ -n "${msg_scripts:-}" ]; then
menu_option_misc_raw="${menu_option_misc_raw+${menu_option_misc_raw}${NL}} - script(s): ${msg_scripts}"
fi
if [ -n "${msg_services:-}" ]; then
menu_option_misc_raw="${menu_option_misc_raw+${menu_option_misc_raw}${NL}} - systemd service file(s): ${msg_services}"
fi
menu_option_all="${GRN}a${NC}) Update all: ${BLU}(recommended)${NC}${NL}${menu_option_misc_raw+${menu_option_misc_raw}${NL}}${msg_bins+${msg_bins}${NL}}"
if [ -n "${msg_bins:-}" ]; then
menu_option_bins="${GRN}b${NC}) Update server binaries: ${msg_bins_alt}${NL}"
fi
# Abort early if there's neither update binaries, nor update scripts options
if [ -z "${menu_option_bins:-}" ] && [ -z "${menu_option_misc_raw:-}" ]; then
printf "${YLW}Everything is up-to-date${NC}.\n"
exit 0
fi
menu="${menu_option_all}${menu_option_bins:-}${menu_option_download}${menu_end}"
return 0
}
options_parse() {
selection="$1"
case "$selection" in
a|all)
check=0
if [ -z "${menu_option_misc_raw:-}" ] && [ -z "${menu_option_bins:-}" ]; then
printf "${YLW}Everything is up-to-date${NC}.\n"
else
if [ -n "${menu_option_misc_raw:-}" ]; then
update_misc
fi
if [ -n "${menu_option_bins:-}" ]; then
update_bins
fi
fi
;;
b|binaries)
check=0
if [ -n "${menu_option_bins:-}" ]; then
update_bins
else
printf "${YLW}Binaries is up-to-date${NC}.\n"
fi
;;
d|download)
check=0
if [ -n "${menu_option_bins:-}" ]; then
download_bins
fi
printf "\n${YLW}Scripts${NC}/${YLW}services${NC}/${YLW}binaries${NC} has been downloaded to ${BLU}%s${NC}\n" "$path_tmp_bin"
;;
x)
check=0
;;
*)
check=1
;;
esac
return "$check"
}
##########################
### Main functions END ###
##########################
############
### Init ###
############
main() {
# Early hook to print Done after script re-execution
if [ -n "${UPDATE_SCRIPT_DONE:-}" ]; then
printf "${GRN}Done!${NC}\n"
fi
# Early help menu
menu_init_help
case "${1:-}" in
h|help)
printf '%b' "$menu_help"
exit 0
;;
esac
checks
download_all
menu_init
onetime=0
while true; do
if [ "$onetime" = 0 ]; then
onetime=1
if [ -n "${1:-}" ]; then
selection="$1"
else
printf '%b' "$menu"
read selection
fi
else
read selection
fi
if options_parse "$selection"; then
break
else
# Rerender whole menu if the first non-interactive option was bogus
if [ -n "${1:-}" ]; then
onetime=0
shift 1
else
# Erase last line
printf '\e[A\e[K'
# Only rerended selection
printf 'Selection: '
fi
fi
done
}
main "$@"