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searxng/utils/morty.sh
Alexandre Flament 76cbfbbdda reference docs.searxng.org
2022-01-02 21:18:29 +01:00

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#!/usr/bin/env bash
# SPDX-License-Identifier: AGPL-3.0-or-later
# shellcheck source=utils/lib.sh
source "$(dirname "${BASH_SOURCE[0]}")/lib.sh"
# shellcheck source=utils/lib_go.sh
source "${REPO_ROOT}/utils/lib_go.sh"
# shellcheck source=utils/lib_install.sh
source "${REPO_ROOT}/utils/lib_install.sh"
# ----------------------------------------------------------------------------
# config
# ----------------------------------------------------------------------------
MORTY_LISTEN="${MORTY_LISTEN:-127.0.0.1:3000}"
PUBLIC_URL_PATH_MORTY="${PUBLIC_URL_PATH_MORTY:-/morty/}"
PUBLIC_URL_MORTY="${PUBLIC_URL_MORTY:-$(echo "$PUBLIC_URL" | sed -e's,^\(.*://[^/]*\).*,\1,g')${PUBLIC_URL_PATH_MORTY}}"
# shellcheck disable=SC2034
MORTY_TIMEOUT=5
SERVICE_NAME="morty"
SERVICE_USER="${SERVICE_USER:-${SERVICE_NAME}}"
SERVICE_HOME_BASE="${SERVICE_HOME_BASE:-/usr/local}"
SERVICE_HOME="${SERVICE_HOME_BASE}/${SERVICE_USER}"
SERVICE_SYSTEMD_UNIT="${SYSTEMD_UNITS}/${SERVICE_NAME}.service"
# shellcheck disable=SC2034
SERVICE_GROUP="${SERVICE_USER}"
# shellcheck disable=SC2034
SERVICE_ENV_DEBUG=false
GO_ENV="${SERVICE_HOME}/.go_env"
GO_VERSION="go1.17.2"
# shellcheck disable=SC2034
CONFIG_FILES=()
# Apache Settings
APACHE_MORTY_SITE="morty.conf"
NGINX_MORTY_SITE="morty.conf"
# ----------------------------------------------------------------------------
usage() {
# ----------------------------------------------------------------------------
# shellcheck disable=SC1117
cat <<EOF
usage::
$(basename "$0") shell
$(basename "$0") install [all|check|user]
$(basename "$0") reinstall all
$(basename "$0") update [morty]
$(basename "$0") remove [all]
$(basename "$0") activate [service]
$(basename "$0") deactivate [service]
$(basename "$0") inspect [service]
$(basename "$0") option [debug-on|debug-off|new-key]
$(basename "$0") apache [install|remove]
$(basename "$0") nginx [install|remove]
$(basename "$0") info [searx]
shell
start interactive shell from user ${SERVICE_USER}
install / remove
:all: complete setup of morty service
:user: add/remove service user '$SERVICE_USER' ($SERVICE_HOME)
install
:check: check the morty installation
reinstall:
:all: runs 'install/remove all'
update morty
Update morty installation ($SERVICE_HOME)
activate service
activate and start service daemon (systemd unit)
deactivate service
stop and deactivate service daemon (systemd unit)
inspect service
show service status and log
option
set one of the available options
:new-key: set new morty key
apache : ${PUBLIC_URL_MORTY}
:install: apache site with a reverse proxy (ProxyPass)
:remove: apache site ${APACHE_MORTY_SITE}
nginx (${PUBLIC_URL_MORTY})
:install: nginx site with a reverse proxy (ProxyPass)
:remove: nginx site ${NGINX_MORTY_SITE}
----
sourced ${DOT_CONFIG} :
SERVICE_USER : ${SERVICE_USER}
SERVICE_HOME : ${SERVICE_HOME}
PUBLIC_URL_MORTY: : ${PUBLIC_URL_MORTY}
MORTY_LISTEN: : ${MORTY_LISTEN}
EOF
install_log_searx_instance
if in_container; then
# in containers the service is listening on 0.0.0.0 (see lxc-searx.env)
for ip in $(global_IPs) ; do
if [[ $ip =~ .*:.* ]]; then
echo " container URL (IPv6): http://[${ip#*|}]:3000/"
else
# IPv4:
echo " container URL (IPv4): http://${ip#*|}:3000/"
fi
done
fi
echo
info_searx
[[ -n ${1} ]] && err_msg "$1"
}
info_searx() {
# shellcheck disable=SC1117
cat <<EOF
To activate result and image proxy in SearXNG read:
https://docs.searxng.org/admin/morty.html
Check settings in file ${SEARXNG_SETTINGS_PATH} ...
result_proxy:
url : ${PUBLIC_URL_MORTY}
server:
image_proxy : True
EOF
}
main() {
required_commands \
sudo install git wget curl \
|| exit
local _usage="ERROR: unknown or missing $1 command $2"
case $1 in
--getenv) var="$2"; echo "${!var}"; exit 0;;
-h|--help) usage; exit 0;;
shell)
sudo_or_exit
interactive_shell "${SERVICE_USER}"
;;
inspect)
case $2 in
service)
sudo_or_exit
inspect_service
;;
*) usage "$_usage"; exit 42;;
esac ;;
reinstall)
rst_title "re-install $SERVICE_NAME" part
sudo_or_exit
case $2 in
all)
remove_all
install_all
;;
*) usage "$_usage"; exit 42;;
esac ;;
install)
rst_title "$SERVICE_NAME" part
sudo_or_exit
case $2 in
all) install_all ;;
check)
rst_title "Check morty installation" part
install_check
;;
user) assert_user ;;
*) usage "$_usage"; exit 42;;
esac ;;
update)
sudo_or_exit
case $2 in
morty) update_morty ;;
*) usage "$_usage"; exit 42;;
esac ;;
remove)
sudo_or_exit
case $2 in
all) remove_all;;
user) drop_service_account "${SERVICE_USER}" ;;
*) usage "$_usage"; exit 42;;
esac ;;
activate)
sudo_or_exit
case $2 in
service) systemd_activate_service "${SERVICE_NAME}" ;;
*) usage "$_usage"; exit 42;;
esac ;;
deactivate)
sudo_or_exit
case $2 in
service) systemd_deactivate_service "${SERVICE_NAME}" ;;
*) usage "$_usage"; exit 42;;
esac ;;
apache)
sudo_or_exit
case $2 in
install) install_apache_site ;;
remove) remove_apache_site ;;
*) usage "$_usage"; exit 42;;
esac ;;
nginx)
sudo_or_exit
case $2 in
install) install_nginx_site ;;
remove) remove_nginx_site ;;
*) usage "$_usage"; exit 42;;
esac ;;
info)
case $2 in
searx) info_searx ;;
*) usage "$_usage"; exit 42;;
esac ;;
option)
sudo_or_exit
case $2 in
new-key) set_new_key ;;
debug-on) enable_debug ;;
debug-off) disable_debug ;;
*) usage "$_usage"; exit 42;;
esac ;;
doc) rst-doc ;;
*) usage "ERROR: unknown or missing command $1"; exit 42;;
esac
}
install_all() {
MORTY_KEY="$(head -c 32 /dev/urandom | base64)"
rst_title "Install $SERVICE_NAME (service)"
assert_user
wait_key
go.golang "${GO_VERSION}" "${SERVICE_USER}"
wait_key
install_morty
wait_key
systemd_install_service "${SERVICE_NAME}" "${SERVICE_SYSTEMD_UNIT}"
wait_key
if ! service_is_available "http://${MORTY_LISTEN}" ; then
err_msg "Morty is not listening on: http://${MORTY_LISTEN}"
fi
if apache_is_installed; then
info_msg "Apache is installed on this host."
if ask_yn "Do you want to install a reverse proxy (ProxyPass)" Yn; then
install_apache_site
fi
elif nginx_is_installed; then
info_msg "nginx is installed on this host."
if ask_yn "Do you want to install a reverse proxy (ProxyPass)" Yn; then
install_nginx_site
fi
fi
info_searx
if ask_yn "Add image and result proxy to SearXNG settings.yml?" Yn; then
"${REPO_ROOT}/utils/searx.sh" option result-proxy "${PUBLIC_URL_MORTY}" "${MORTY_KEY}"
"${REPO_ROOT}/utils/searx.sh" option image-proxy-on
fi
if ask_yn "Do you want to inspect the installation?" Ny; then
inspect_service
fi
}
install_check() {
if service_account_is_available "$SERVICE_USER"; then
info_msg "service account $SERVICE_USER available."
else
err_msg "service account $SERVICE_USER not available!"
fi
if go_is_available "$SERVICE_USER"; then
info_msg "~$SERVICE_USER: go is installed"
else
err_msg "~$SERVICE_USER: go is not installed"
fi
if morty_is_installed; then
info_msg "~$SERVICE_USER: morty app is installed"
else
err_msg "~$SERVICE_USER: morty app is not installed!"
fi
if ! service_is_available "http://${MORTY_LISTEN}" ; then
err_msg "Morty is not listening on: http://${MORTY_LISTEN}"
echo -e "${_Green}stop with [${_BCyan}CTRL-C${_Green}] or .."
wait_key
fi
if ! service_is_available "${PUBLIC_URL_MORTY}"; then
warn_msg "Public service at ${PUBLIC_URL_MORTY} is not available!"
if ! in_container; then
warn_msg "Check if public name is correct and routed or use the public IP from above."
fi
fi
if [[ "${GO_VERSION}" > "$(go_version)" ]]; then
warn_msg "golang ($(go_version)) needs to be $GO_VERSION at least"
warn_msg "you need to reinstall $SERVICE_USER --> $0 reinstall all"
else
info_msg "golang $(go_version) is installed (min needed is: $GO_VERSION)"
fi
}
go_version(){
go.version "${SERVICE_USER}"
}
remove_all() {
rst_title "De-Install $SERVICE_NAME (service)"
rst_para "\
It goes without saying that this script can only be used to remove
installations that were installed with this script."
if systemd_remove_service "${SERVICE_NAME}" "${SERVICE_SYSTEMD_UNIT}"; then
drop_service_account "${SERVICE_USER}"
fi
}
assert_user() {
rst_title "user $SERVICE_USER" section
echo
tee_stderr 1 <<EOF | bash | prefix_stdout
useradd --shell /bin/bash --system \
--home-dir "$SERVICE_HOME" \
--comment 'Web content sanitizer proxy' $SERVICE_USER
mkdir "$SERVICE_HOME"
chown -R "$SERVICE_GROUP:$SERVICE_GROUP" "$SERVICE_HOME"
groups $SERVICE_USER
EOF
SERVICE_HOME="$(sudo -i -u "$SERVICE_USER" echo \$HOME)"
export SERVICE_HOME
echo "export SERVICE_HOME=$SERVICE_HOME"
tee_stderr <<EOF | sudo -i -u "$SERVICE_USER"
touch $GO_ENV
grep -qFs -- 'source "$GO_ENV"' ~/.profile || echo 'source "$GO_ENV"' >> ~/.profile
EOF
}
morty_is_installed() {
[[ -f $SERVICE_HOME/go-apps/bin/morty ]]
}
install_morty() {
rst_title "Install morty in user's ~/go-apps" section
echo
go.install github.com/asciimoo/morty@latest "${SERVICE_USER}"
}
update_morty() {
rst_title "Update morty" section
echo
go.install github.com/asciimoo/morty@latest "${SERVICE_USER}"
}
set_service_env_debug() {
# usage: set_service_env_debug [false|true]
# shellcheck disable=SC2034
local SERVICE_ENV_DEBUG="${1:-false}"
if systemd_remove_service "${SERVICE_NAME}" "${SERVICE_SYSTEMD_UNIT}"; then
systemd_install_service "${SERVICE_NAME}" "${SERVICE_SYSTEMD_UNIT}"
fi
}
inspect_service() {
rst_title "service status & log"
cat <<EOF
sourced ${DOT_CONFIG} :
SERVICE_USER : ${SERVICE_USER}
SERVICE_HOME : ${SERVICE_HOME}
PUBLIC_URL_MORTY: : ${PUBLIC_URL_MORTY}
MORTY_LISTEN: : ${MORTY_LISTEN}
EOF
install_log_searx_instance
install_check
if in_container; then
lxc_suite_info
else
info_msg "public URL --> ${PUBLIC_URL_MORTY}"
info_msg "morty URL --> http://${MORTY_LISTEN}"
fi
local _debug_on
if ask_yn "Enable morty debug mode (needs reinstall of systemd service)?"; then
enable_debug
_debug_on=1
else
systemctl --no-pager -l status "${SERVICE_NAME}"
fi
echo
# shellcheck disable=SC2059
printf "// use ${_BCyan}CTRL-C${_creset} to stop monitoring the log"
read -r -s -n1 -t 5
echo
while true; do
trap break 2
journalctl -f -u "${SERVICE_NAME}"
done
if [[ $_debug_on == 1 ]]; then
FORCE_SELECTION=Y disable_debug
fi
return 0
}
enable_debug() {
warn_msg "Do not enable debug in production environments!!"
info_msg "Enabling debug option needs to reinstall systemd service!"
set_service_env_debug true
}
disable_debug() {
info_msg "Disabling debug option needs to reinstall systemd service!"
set_service_env_debug false
}
set_new_key() {
rst_title "Set morty key"
echo
MORTY_KEY="$(head -c 32 /dev/urandom | base64)"
info_msg "morty key: '${MORTY_KEY}'"
warn_msg "this will need to reinstall services .."
MSG="${_Green}press any [${_BCyan}KEY${_Green}] to continue // stop with [${_BCyan}CTRL-C${_creset}]" wait_key
systemd_install_service "${SERVICE_NAME}" "${SERVICE_SYSTEMD_UNIT}"
"${REPO_ROOT}/utils/searx.sh" option result-proxy "${PUBLIC_URL_MORTY}" "${MORTY_KEY}"
"${REPO_ROOT}/utils/searx.sh" option image-proxy-on
}
install_apache_site() {
rst_title "Install Apache site $APACHE_MORTY_SITE"
rst_para "\
This installs a reverse proxy (ProxyPass) into apache site (${APACHE_MORTY_SITE})"
! apache_is_installed && err_msg "Apache is not installed."
if ! ask_yn "Do you really want to continue?" Yn; then
return
else
install_apache
fi
apache_install_site "${APACHE_MORTY_SITE}"
info_msg "testing public url .."
if ! service_is_available "${PUBLIC_URL_MORTY}"; then
err_msg "Public service at ${PUBLIC_URL_MORTY} is not available!"
fi
}
remove_apache_site() {
rst_title "Remove Apache site $APACHE_MORTY_SITE"
rst_para "\
This removes apache site ${APACHE_MORTY_SITE}."
! apache_is_installed && err_msg "Apache is not installed."
if ! ask_yn "Do you really want to continue?" Yn; then
return
fi
apache_remove_site "$APACHE_MORTY_SITE"
}
install_nginx_site() {
rst_title "Install nginx site $NGINX_MORTY_SITE"
rst_para "\
This installs a reverse proxy (ProxyPass) into nginx site (${NGINX_MORTY_SITE})"
! nginx_is_installed && err_msg "nginx is not installed."
if ! ask_yn "Do you really want to continue?" Yn; then
return
else
install_nginx
fi
"${REPO_ROOT}/utils/searx.sh" install uwsgi
# shellcheck disable=SC2034
SEARX_SRC=$("${REPO_ROOT}/utils/searx.sh" --getenv SEARX_SRC)
# shellcheck disable=SC2034
SEARXNG_URL_PATH=$("${REPO_ROOT}/utils/searx.sh" --getenv SEARXNG_URL_PATH)
nginx_install_app "${NGINX_MORTY_SITE}"
info_msg "testing public url .."
if ! service_is_available "${PUBLIC_URL_MORTY}"; then
err_msg "Public service at ${PUBLIC_URL_MORTY} is not available!"
fi
}
remove_nginx_site() {
rst_title "Remove nginx site $NGINX_MORTY_SITE"
rst_para "\
This removes nginx site ${NGINX_MORTY_SITE}."
! nginx_is_installed && err_msg "nginx is not installed."
if ! ask_yn "Do you really want to continue?" Yn; then
return
fi
nginx_remove_site "$NGINX_MORTY_SITE"
}
rst-doc() {
eval "echo \"$(< "${REPO_ROOT}/docs/build-templates/morty.rst")\""
echo -e "\n.. START install systemd unit"
cat <<EOF
.. tabs::
.. group-tab:: systemd
.. code:: bash
EOF
eval "echo \"$(< "${TEMPLATES}/${SERVICE_SYSTEMD_UNIT}")\"" | prefix_stdout " "
echo -e "\n.. END install systemd unit"
# for DIST_NAME in ubuntu-20.04 arch fedora centos; do
# (
# DIST_ID=${DIST_NAME%-*}
# DIST_VERS=${DIST_NAME#*-}
# [[ $DIST_VERS =~ $DIST_ID ]] && DIST_VERS=
# # ...
# )
# done
}
# ----------------------------------------------------------------------------
main "$@"
# ----------------------------------------------------------------------------
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