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searxngRebrandZaclys/utils/searx.sh
Alexandre Flament 253b850376 SearXNG: SEARXNG_SETTINGS_PATH
2021-10-02 17:18:05 +02:00

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#!/usr/bin/env bash
# SPDX-License-Identifier: AGPL-3.0-or-later
# shellcheck disable=SC2001
# shellcheck source=utils/lib.sh
source "$(dirname "${BASH_SOURCE[0]}")/lib.sh"
# shellcheck source=utils/lib_install.sh
source "${REPO_ROOT}/utils/lib_install.sh"
# ----------------------------------------------------------------------------
# config
# ----------------------------------------------------------------------------
SEARX_INTERNAL_HTTP="${SEARXNG_BIND_ADDRESS}:${SEARXNG_PORT}"
SEARX_URL_PATH="${SEARX_URL_PATH:-$(echo "${PUBLIC_URL}" \
| sed -e 's,^.*://[^/]*\(/.*\),\1,g')}"
[[ "${SEARX_URL_PATH}" == "${PUBLIC_URL}" ]] && SEARX_URL_PATH=/
SERVICE_NAME="searx"
SERVICE_USER="${SERVICE_USER:-${SERVICE_NAME}}"
SERVICE_HOME_BASE="${SERVICE_HOME_BASE:-/usr/local}"
SERVICE_HOME="${SERVICE_HOME_BASE}/${SERVICE_USER}"
# shellcheck disable=SC2034
SERVICE_GROUP="${SERVICE_USER}"
GIT_BRANCH="${GIT_BRANCH:-master}"
SEARX_PYENV="${SERVICE_HOME}/searx-pyenv"
SEARX_SRC="${SERVICE_HOME}/searx-src"
SEARXNG_SETTINGS_PATH="/etc/searx/settings.yml"
SEARX_UWSGI_APP="searx.ini"
# shellcheck disable=SC2034
SEARX_UWSGI_SOCKET="/run/uwsgi/app/searx/socket"
# apt packages
SEARX_PACKAGES_debian="\
python3-dev python3-babel python3-venv
uwsgi uwsgi-plugin-python3
git build-essential libxslt-dev zlib1g-dev libffi-dev libssl-dev
shellcheck"
BUILD_PACKAGES_debian="\
firefox graphviz imagemagick texlive-xetex librsvg2-bin
texlive-latex-recommended texlive-extra-utils fonts-dejavu
latexmk
npm"
# pacman packages
SEARX_PACKAGES_arch="\
python python-pip python-lxml python-babel
uwsgi uwsgi-plugin-python
git base-devel libxml2
shellcheck"
BUILD_PACKAGES_arch="\
firefox graphviz imagemagick texlive-bin extra/librsvg
texlive-core texlive-latexextra ttf-dejavu
npm"
# dnf packages
SEARX_PACKAGES_fedora="\
python python-pip python-lxml python-babel
uwsgi uwsgi-plugin-python3
git @development-tools libxml2
ShellCheck"
BUILD_PACKAGES_fedora="\
firefox graphviz graphviz-gd ImageMagick librsvg2-tools
texlive-xetex-bin texlive-collection-fontsrecommended
texlive-collection-latex dejavu-sans-fonts dejavu-serif-fonts
dejavu-sans-mono-fonts
npm"
# yum packages
#
# hint: We do no longer support yum packages, it is to complex to maintain
# automate installation of packages like npm. In the firts step we ignore
# CentOS-7 as developer & build platform (the inital patch which brought
# CentOS-7 supports was not intended to be a developer platform).
SEARX_PACKAGES_centos="\
python36 python36-pip python36-lxml python-babel
uwsgi uwsgi-plugin-python3
git @development-tools libxml2
ShellCheck"
BUILD_PACKAGES_centos="\
firefox graphviz graphviz-gd ImageMagick librsvg2-tools
texlive-xetex-bin texlive-collection-fontsrecommended
texlive-collection-latex dejavu-sans-fonts dejavu-serif-fonts
dejavu-sans-mono-fonts"
case $DIST_ID-$DIST_VERS in
ubuntu-16.04|ubuntu-18.04)
SEARX_PACKAGES="${SEARX_PACKAGES_debian}"
BUILD_PACKAGES="${BUILD_PACKAGES_debian}"
APACHE_PACKAGES="$APACHE_PACKAGES libapache2-mod-proxy-uwsgi"
;;
ubuntu-20.04)
# https://askubuntu.com/a/1224710
SEARX_PACKAGES="${SEARX_PACKAGES_debian} python-is-python3"
BUILD_PACKAGES="${BUILD_PACKAGES_debian}"
;;
ubuntu-*|debian-*)
SEARX_PACKAGES="${SEARX_PACKAGES_debian}"
BUILD_PACKAGES="${BUILD_PACKAGES_debian}"
;;
arch-*)
SEARX_PACKAGES="${SEARX_PACKAGES_arch}"
BUILD_PACKAGES="${BUILD_PACKAGES_arch}"
;;
fedora-*)
SEARX_PACKAGES="${SEARX_PACKAGES_fedora}"
BUILD_PACKAGES="${BUILD_PACKAGES_fedora}"
;;
centos-7)
SEARX_PACKAGES="${SEARX_PACKAGES_centos}"
BUILD_PACKAGES="${BUILD_PACKAGES_centos}"
;;
esac
# Apache Settings
APACHE_SEARX_SITE="searx.conf"
# shellcheck disable=SC2034
CONFIG_FILES=(
"${uWSGI_APPS_AVAILABLE}/${SEARX_UWSGI_APP}"
)
# shellcheck disable=SC2034
CONFIG_BACKUP_ENCRYPTED=(
"${SEARXNG_SETTINGS_PATH}"
)
# ----------------------------------------------------------------------------
usage() {
# ----------------------------------------------------------------------------
# shellcheck disable=SC1117
cat <<EOF
usage::
$(basename "$0") shell
$(basename "$0") install [all|init-src|dot-config|user|searx-src|pyenv|uwsgi|packages|settings|buildhost]
$(basename "$0") update [searx]
$(basename "$0") remove [all|user|pyenv|searx-src]
$(basename "$0") activate [service]
$(basename "$0") deactivate [service]
$(basename "$0") inspect [service|settings <key>]
$(basename "$0") option [debug-[on|off]|image-proxy-[on|off]|result-proxy <url> <key>]
$(basename "$0") apache [install|remove]
shell
start interactive shell from user ${SERVICE_USER}
install / remove
:all: complete (de-) installation of searx service
:user: add/remove service user '$SERVICE_USER' ($SERVICE_HOME)
:dot-config: copy ./config.sh to ${SEARX_SRC}
:searx-src: clone $GIT_URL
:init-src: copy files (SEARX_SRC_INIT_FILES) to ${SEARX_SRC}
:pyenv: create/remove virtualenv (python) in $SEARX_PYENV
:uwsgi: install searx uWSGI application
:settings: reinstall settings from ${SEARXNG_SETTINGS_PATH}
:packages: install needed packages from OS package manager
:buildhost: install packages from OS package manager needed by buildhosts
update searx
Update SearXNG installation ($SERVICE_HOME)
activate service
activate and start service daemon (systemd unit)
deactivate service
stop and deactivate service daemon (systemd unit)
inspect
:service: run some small tests and inspect service's status and log
:settings: inspect YAML setting <key> from SearXNG instance (${SEARX_SRC})
option
set one of the available options
apache
:install: apache site with the SearXNG uwsgi app
:remove: apache site ${APACHE_FILTRON_SITE}
---- sourced ${DOT_CONFIG}
SERVICE_USER : ${SERVICE_USER}
SERVICE_HOME : ${SERVICE_HOME}
EOF
install_log_searx_instance
[[ -n ${1} ]] && err_msg "$1"
}
main() {
required_commands \
sudo systemctl install git wget curl \
|| exit
local _usage="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
;;
settings)
prompt_installation_setting "$3"
dump_return $?
;;
*) usage "$_usage"; exit 42;;
esac ;;
install)
sudo_or_exit
case $2 in
all)
rst_title "SearXNG (install)" part
install_all
;;
user)
rst_title "SearXNG (install user)"
verify_continue_install
assert_user
;;
pyenv)
rst_title "SearXNG (install pyenv)"
verify_continue_install
create_pyenv
;;
searx-src)
rst_title "SearXNG (install searx-src)"
verify_continue_install
assert_user
clone_searx
install_DOT_CONFIG
init_SEARX_SRC
;;
init-src)
init_SEARX_SRC
;;
dot-config)
install_DOT_CONFIG
;;
settings)
install_settings
;;
uwsgi)
rst_title "SearXNG (install uwsgi)"
verify_continue_install
install_searx_uwsgi
if ! service_is_available "http://${SEARX_INTERNAL_HTTP}"; then
err_msg "URL http://${SEARX_INTERNAL_HTTP} not available, check SearXNG & uwsgi setup!"
fi
;;
packages)
rst_title "SearXNG (install packages)"
pkg_install "$SEARX_PACKAGES"
;;
buildhost)
rst_title "SearXNG (install buildhost)"
pkg_install "$SEARX_PACKAGES"
pkg_install "$BUILD_PACKAGES"
;;
*) usage "$_usage"; exit 42;;
esac ;;
update)
sudo_or_exit
case $2 in
searx) update_searx;;
*) usage "$_usage"; exit 42;;
esac ;;
remove)
rst_title "SearXNG (remove)" part
sudo_or_exit
case $2 in
all) remove_all;;
user) drop_service_account "${SERVICE_USER}";;
pyenv) remove_pyenv ;;
searx-src) remove_searx ;;
*) usage "$_usage"; exit 42;;
esac ;;
activate)
sudo_or_exit
case $2 in
service)
activate_service ;;
*) usage "$_usage"; exit 42;;
esac ;;
deactivate)
sudo_or_exit
case $2 in
service) deactivate_service ;;
*) usage "$_usage"; exit 42;;
esac ;;
option)
sudo_or_exit
case $2 in
debug-on) echo; enable_debug ;;
debug-off) echo; disable_debug ;;
result-proxy) set_result_proxy "$3" "$4" ;;
image-proxy-on) enable_image_proxy ;;
image-proxy-off) disable_image_proxy ;;
*) usage "$_usage"; exit 42;;
esac ;;
apache)
sudo_or_exit
case $2 in
install) install_apache_site ;;
remove) remove_apache_site ;;
*) usage "$_usage"; exit 42;;
esac ;;
doc) rst-doc;;
*) usage "unknown or missing command $1"; exit 42;;
esac
}
_service_prefix=" ${_Yellow}|$SERVICE_USER|${_creset} "
install_all() {
rst_title "Install SearXNG (service)"
verify_continue_install
pkg_install "$SEARX_PACKAGES"
wait_key
assert_user
wait_key
clone_searx
wait_key
install_DOT_CONFIG
wait_key
init_SEARX_SRC
wait_key
create_pyenv
wait_key
install_settings
wait_key
test_local_searx
wait_key
install_searx_uwsgi
if ! service_is_available "http://${SEARX_INTERNAL_HTTP}"; then
err_msg "URL http://${SEARX_INTERNAL_HTTP} not available, check SearXNG & uwsgi setup!"
fi
if ask_yn "Do you want to inspect the installation?" Ny; then
inspect_service
fi
}
update_searx() {
rst_title "Update SearXNG instance"
echo
tee_stderr 0.3 <<EOF | sudo -H -u "${SERVICE_USER}" -i 2>&1 | prefix_stdout "$_service_prefix"
cd ${SEARX_SRC}
git checkout -B "$GIT_BRANCH"
git pull
pip install -U pip
pip install -U setuptools
pip install -U wheel
pip install -U pyyaml
pip install -U -e .
EOF
install_settings
uWSGI_restart "$SEARX_UWSGI_APP"
}
remove_all() {
rst_title "De-Install SearXNG (service)"
rst_para "\
It goes without saying that this script can only be used to remove
installations that were installed with this script."
if ! ask_yn "Do you really want to deinstall SearXNG?"; then
return
fi
remove_searx_uwsgi
drop_service_account "${SERVICE_USER}"
remove_settings
wait_key
if service_is_available "${PUBLIC_URL}"; then
MSG="** Don't forgett to remove your public site! (${PUBLIC_URL}) **" wait_key 10
fi
}
assert_user() {
rst_title "user $SERVICE_USER" section
echo
if getent passwd "$SERVICE_USER" > /dev/null; then
echo "user exists"
return 0
fi
tee_stderr 1 <<EOF | bash | prefix_stdout
useradd --shell /bin/bash --system \
--home-dir "$SERVICE_HOME" \
--comment 'Privacy-respecting metasearch engine' $SERVICE_USER
mkdir "$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"
}
clone_is_available() {
[[ -f "$SEARX_SRC/.git/config" ]]
}
# shellcheck disable=SC2164
clone_searx() {
rst_title "Clone SearXNG sources" section
echo
if ! sudo -i -u "$SERVICE_USER" ls -d "$REPO_ROOT" > /dev/null; then
die 42 "user '$SERVICE_USER' missed read permission: $REPO_ROOT"
fi
SERVICE_HOME="$(sudo -i -u "$SERVICE_USER" echo \$HOME 2>/dev/null)"
if [[ ! "${SERVICE_HOME}" ]]; then
err_msg "to clone SearXNG sources, user $SERVICE_USER hast to be created first"
return 42
fi
if [[ ! $(git show-ref "refs/heads/${GIT_BRANCH}") ]]; then
warn_msg "missing local branch ${GIT_BRANCH}"
info_msg "create local branch ${GIT_BRANCH} from start point: origin/${GIT_BRANCH}"
git branch "${GIT_BRANCH}" "origin/${GIT_BRANCH}"
fi
if [[ ! $(git rev-parse --abbrev-ref HEAD) == "${GIT_BRANCH}" ]]; then
warn_msg "take into account, installing branch $GIT_BRANCH while current branch is $(git rev-parse --abbrev-ref HEAD)"
fi
export SERVICE_HOME
git_clone "$REPO_ROOT" "$SEARX_SRC" \
"$GIT_BRANCH" "$SERVICE_USER"
pushd "${SEARX_SRC}" > /dev/null
tee_stderr 0.1 <<EOF | sudo -H -u "${SERVICE_USER}" -i 2>&1 | prefix_stdout "$_service_prefix"
cd "${SEARX_SRC}"
git remote set-url origin ${GIT_URL}
git config user.email "$ADMIN_EMAIL"
git config user.name "$ADMIN_NAME"
git config --list
EOF
popd > /dev/null
}
prompt_installation_status(){
# shellcheck disable=SC2034
local GIT_URL GIT_BRANCH VERSION_STRING VERSION_TAG
local ret_val state branch remote remote_url
state="$(install_searx_get_state)"
case $state in
missing-searx-clone|missing-searx-pyenv)
info_msg "${_BBlue}(status: $(install_searx_get_state))${_creset}"
return 0
;;
*)
info_msg "SearXNG instance already installed at: $SEARX_SRC"
info_msg "status: ${_BBlue}$(install_searx_get_state)${_creset} "
branch="$(git name-rev --name-only HEAD)"
remote="$(git config branch."${branch}".remote)"
remote_url="$(git config remote."${remote}".url)"
eval "$(get_installed_version_variables)"
ret_val=0
if ! [ "$GIT_URL" = "$remote_url" ]; then
warn_msg "instance's git URL: '${GIT_URL}'" \
"differs from local clone's remote URL: ${remote_url}"
ret_val=42
fi
if ! [ "$GIT_BRANCH" = "$branch" ]; then
warn_msg "instance git branch: ${GIT_BRANCH}" \
"differs from local clone's branch: ${branch}"
ret_val=42
fi
return $ret_val
;;
esac
}
verify_continue_install(){
if ! prompt_installation_status; then
MSG="[${_BCyan}KEY${_creset}] to continue installation / [${_BCyan}CTRL-C${_creset}] to exit" \
wait_key
fi
}
prompt_installation_setting(){
# usage: prompt_installation_setting brand.docs_url
#
# Prompts the value of the (YAML) setting in the SearXNG instance.
local _state
_state="$(install_searx_get_state)"
case $_state in
python-installed|installer-modified)
sudo -H -u "${SERVICE_USER}" "${SEARX_PYENV}/bin/python" <<EOF
import sys
from searx import get_setting
name = "${1}"
unset = object()
value = get_setting(name, unset)
if value is unset:
sys.stderr.write("error: setting '%s' does not exists\n" % name)
sys.exit(42)
print(value)
sys.exit(0)
EOF
;;
*)
return 42
;;
esac
}
get_installed_version_variables() {
# usage: eval "$(get_installed_version_variables)"
#
# Set variables VERSION_STRING, VERSION_TAG, GIT_URL, GIT_BRANCH
local _state
_state="$(install_searx_get_state)"
case $_state in
python-installed|installer-modified)
sudo -H -u "${SERVICE_USER}" "${SEARX_PYENV}/bin/python" -m searx.version;;
*)
return 42
;;
esac
}
init_SEARX_SRC(){
rst_title "Update instance: ${SEARX_SRC}/" section
if ! clone_is_available; then
err_msg "you have to install SearXNG first"
return 1
fi
init_SEARX_SRC_INIT_FILES
if [ ${#SEARX_SRC_INIT_FILES[*]} -eq 0 ]; then
info_msg "no files registered in SEARX_SRC_INIT_FILES"
return 2
fi
echo
echo "Update instance with file(s) from: ${REPO_ROOT}"
echo
for i in "${SEARX_SRC_INIT_FILES[@]}"; do
echo "- $i"
done
echo
echo "Be careful when modifying an existing installation."
if ! ask_yn "Do you really want to update these files in the instance?" Yn; then
return 42
fi
for fname in "${SEARX_SRC_INIT_FILES[@]}"; do
while true; do
choose_one _reply "choose next step with file ${fname}" \
"replace file" \
"leave file unchanged" \
"diff files" \
"interactive shell"
case $_reply in
"leave file unchanged")
break
;;
"replace file")
info_msg "copy: ${REPO_ROOT}/${fname} --> ${SEARX_SRC}/${fname}"
cp "${REPO_ROOT}/${fname}" "${SEARX_SRC}/${fname}"
break
;;
"diff files")
$DIFF_CMD "${SEARX_SRC}/${fname}" "${REPO_ROOT}/${fname}"
;;
"interactive shell")
backup_file "${SEARX_SRC}/${fname}"
echo -e "// edit ${_Red}${dst}${_creset} to your needs"
echo -e "// exit with [${_BCyan}CTRL-D${_creset}]"
sudo -H -u "${SERVICE_USER}" -i
$DIFF_CMD "${SEARX_SRC}/${fname}" "${REPO_ROOT}/${fname}"
echo
echo -e "// ${_BBlack}did you edit file ...${_creset}"
echo -en "// ${_Red}${dst}${_creset}"
if ask_yn "//${_BBlack}... to your needs?${_creset}"; then
break
fi
;;
esac
done
done
}
install_DOT_CONFIG(){
rst_title "Update instance: ${SEARX_SRC}/.config.sh" section
if cmp --silent "${REPO_ROOT}/.config.sh" "${SEARX_SRC}/.config.sh"; then
info_msg "${SEARX_SRC}/.config.sh is up to date"
return 0
fi
diff "${REPO_ROOT}/.config.sh" "${SEARX_SRC}/.config.sh"
if ! ask_yn "Do you want to copy file .config.sh into instance?" Yn; then
return 42
fi
backup_file "${SEARX_SRC}/.config.sh"
cp "${REPO_ROOT}/.config.sh" "${SEARX_SRC}/.config.sh"
}
install_settings() {
rst_title "${SEARXNG_SETTINGS_PATH}" section
if ! clone_is_available; then
err_msg "you have to install SearXNG first"
exit 42
fi
mkdir -p "$(dirname "${SEARXNG_SETTINGS_PATH}")"
install_template --no-eval \
"${SEARXNG_SETTINGS_PATH}" \
"${SERVICE_USER}" "${SERVICE_GROUP}"
configure_searx
}
remove_settings() {
rst_title "remove SearXNG settings" section
echo
info_msg "delete ${SEARXNG_SETTINGS_PATH}"
rm -f "${SEARXNG_SETTINGS_PATH}"
}
remove_searx() {
rst_title "Drop searx sources" section
if ask_yn "Do you really want to drop SearXNG sources ($SEARX_SRC)?"; then
rm -rf "$SEARX_SRC"
else
rst_para "Leave SearXNG sources unchanged."
fi
}
pyenv_is_available() {
[[ -f "${SEARX_PYENV}/bin/activate" ]]
}
create_pyenv() {
rst_title "Create virtualenv (python)" section
echo
if [[ ! -f "${SEARX_SRC}/manage" ]]; then
err_msg "to create pyenv for SearXNG, SearXNG has to be cloned first"
return 42
fi
info_msg "create pyenv in ${SEARX_PYENV}"
tee_stderr 0.1 <<EOF | sudo -H -u "${SERVICE_USER}" -i 2>&1 | prefix_stdout "$_service_prefix"
rm -rf "${SEARX_PYENV}"
python3 -m venv "${SEARX_PYENV}"
grep -qFs -- 'source ${SEARX_PYENV}/bin/activate' ~/.profile \
|| echo 'source ${SEARX_PYENV}/bin/activate' >> ~/.profile
EOF
info_msg "inspect python's virtual environment"
tee_stderr 0.1 <<EOF | sudo -H -u "${SERVICE_USER}" -i 2>&1 | prefix_stdout "$_service_prefix"
command -v python && python --version
EOF
wait_key
info_msg "install needed python packages"
tee_stderr 0.1 <<EOF | sudo -H -u "${SERVICE_USER}" -i 2>&1 | prefix_stdout "$_service_prefix"
pip install -U pip
pip install -U setuptools
pip install -U wheel
pip install -U pyyaml
cd ${SEARX_SRC}
pip install -e .
EOF
}
remove_pyenv() {
rst_title "Remove virtualenv (python)" section
if ! ask_yn "Do you really want to drop ${SEARX_PYENV} ?"; then
return
fi
info_msg "remove pyenv activation from ~/.profile"
tee_stderr 0.1 <<EOF | sudo -H -u "${SERVICE_USER}" -i 2>&1 | prefix_stdout "$_service_prefix"
grep -v 'source ${SEARX_PYENV}/bin/activate' ~/.profile > ~/.profile.##
mv ~/.profile.## ~/.profile
EOF
rm -rf "${SEARX_PYENV}"
}
configure_searx() {
rst_title "Configure SearXNG" section
rst_para "Setup SearXNG config located at $SEARXNG_SETTINGS_PATH"
echo
tee_stderr 0.1 <<EOF | sudo -H -i 2>&1 | prefix_stdout "$_service_prefix"
cd ${SEARX_SRC}
sed -i -e "s/ultrasecretkey/$(openssl rand -hex 16)/g" "$SEARXNG_SETTINGS_PATH"
EOF
}
test_local_searx() {
rst_title "Testing SearXNG instance localy" section
echo
if service_is_available "http://${SEARX_INTERNAL_HTTP}" &>/dev/null; then
err_msg "URL/port http://${SEARX_INTERNAL_HTTP} is already in use, you"
err_msg "should stop that service before starting local tests!"
if ! ask_yn "Continue with local tests?"; then
return
fi
fi
sed -i -e "s/debug: false/debug: true/g" "$SEARXNG_SETTINGS_PATH"
tee_stderr 0.1 <<EOF | sudo -H -u "${SERVICE_USER}" -i 2>&1 | prefix_stdout "$_service_prefix"
export SEARXNG_SETTINGS_PATH="${SEARXNG_SETTINGS_PATH}"
cd ${SEARX_SRC}
timeout 10 python searx/webapp.py &
sleep 3
curl --location --verbose --head --insecure $SEARX_INTERNAL_HTTP
EOF
sed -i -e "s/debug: true/debug: false/g" "$SEARXNG_SETTINGS_PATH"
}
install_searx_uwsgi() {
rst_title "Install SearXNG's uWSGI app (searx.ini)" section
echo
install_uwsgi
uWSGI_install_app "$SEARX_UWSGI_APP"
}
remove_searx_uwsgi() {
rst_title "Remove SearXNG's uWSGI app (searx.ini)" section
echo
uWSGI_remove_app "$SEARX_UWSGI_APP"
}
activate_service() {
rst_title "Activate SearXNG (service)" section
echo
uWSGI_enable_app "$SEARX_UWSGI_APP"
uWSGI_restart "$SEARX_UWSGI_APP"
}
deactivate_service() {
rst_title "De-Activate SearXNG (service)" section
echo
uWSGI_disable_app "$SEARX_UWSGI_APP"
uWSGI_restart "$SEARX_UWSGI_APP"
}
enable_image_proxy() {
info_msg "try to enable image_proxy ..."
tee_stderr 0.1 <<EOF | sudo -H -i 2>&1 | prefix_stdout "$_service_prefix"
cd ${SEARX_SRC}
sed -i -e "s/image_proxy: false/image_proxy: true/g" "$SEARXNG_SETTINGS_PATH"
EOF
uWSGI_restart "$SEARX_UWSGI_APP"
}
disable_image_proxy() {
info_msg "try to enable image_proxy ..."
tee_stderr 0.1 <<EOF | sudo -H -i 2>&1 | prefix_stdout "$_service_prefix"
cd ${SEARX_SRC}
sed -i -e "s/image_proxy: true/image_proxy: false/g" "$SEARXNG_SETTINGS_PATH"
EOF
uWSGI_restart "$SEARX_UWSGI_APP"
}
enable_debug() {
warn_msg "Do not enable debug in production environments!!"
info_msg "try to enable debug mode ..."
tee_stderr 0.1 <<EOF | sudo -H -i 2>&1 | prefix_stdout "$_service_prefix"
cd ${SEARX_SRC}
sed -i -e "s/debug: false/debug: true/g" "$SEARXNG_SETTINGS_PATH"
EOF
uWSGI_restart "$SEARX_UWSGI_APP"
}
disable_debug() {
info_msg "try to disable debug mode ..."
tee_stderr 0.1 <<EOF | sudo -H -i 2>&1 | prefix_stdout "$_service_prefix"
cd ${SEARX_SRC}
sed -i -e "s/debug: true/debug: false/g" "$SEARXNG_SETTINGS_PATH"
EOF
uWSGI_restart "$SEARX_UWSGI_APP"
}
set_result_proxy() {
# usage: set_result_proxy <URL> [<key>]
info_msg "try to set result proxy: '$1' ($2)"
cp "${SEARXNG_SETTINGS_PATH}" "${SEARXNG_SETTINGS_PATH}.bak"
_set_result_proxy "$1" "$2" > "${SEARXNG_SETTINGS_PATH}"
}
_set_result_proxy() {
local line
local stage=0
local url=" url: $1"
local key=" key: !!binary \"$2\""
if [[ -z $2 ]]; then
key=
fi
while IFS= read -r line
do
if [[ $stage = 0 ]] || [[ $stage = 2 ]] ; then
if [[ $line =~ ^[[:space:]]*#*[[:space:]]*result_proxy[[:space:]]*:[[:space:]]*$ ]]; then
if [[ $stage = 0 ]]; then
stage=1
echo "result_proxy:"
continue
elif [[ $stage = 2 ]]; then
continue
fi
fi
fi
if [[ $stage = 1 ]] || [[ $stage = 2 ]] ; then
if [[ $line =~ ^[[:space:]]*#*[[:space:]]*url[[:space:]]*:[[:space:]] ]]; then
[[ $stage = 1 ]] && echo "$url"
continue
elif [[ $line =~ ^[[:space:]]*#*[[:space:]]*key[[:space:]]*:[[:space:]] ]]; then
[[ $stage = 1 ]] && [[ -n $key ]] && echo "$key"
continue
elif [[ $line =~ ^[[:space:]]*$ ]]; then
stage=2
fi
fi
echo "$line"
done < "${SEARXNG_SETTINGS_PATH}.bak"
}
function has_substring() {
[[ "$1" != "${2/$1/}" ]]
}
inspect_service() {
rst_title "service status & log"
cat <<EOF
sourced ${DOT_CONFIG} :
SERVICE_USER : ${SERVICE_USER}
SERVICE_HOME : ${SERVICE_HOME}
EOF
install_log_searx_instance
if service_account_is_available "$SERVICE_USER"; then
info_msg "Service account $SERVICE_USER exists."
else
err_msg "Service account $SERVICE_USER does not exists!"
fi
if pyenv_is_available; then
info_msg "~$SERVICE_USER: python environment is available."
else
err_msg "~$SERVICE_USER: python environment is not available!"
fi
if clone_is_available; then
info_msg "~$SERVICE_USER: SearXNG software is installed."
else
err_msg "~$SERVICE_USER: Missing SearXNG software!"
fi
if uWSGI_app_enabled "$SEARX_UWSGI_APP"; then
info_msg "uWSGI app $SEARX_UWSGI_APP is enabled."
else
err_msg "uWSGI app $SEARX_UWSGI_APP not enabled!"
fi
uWSGI_app_available "$SEARX_UWSGI_APP" \
|| err_msg "uWSGI app $SEARX_UWSGI_APP not available!"
if in_container; then
lxc_suite_info
else
info_msg "public URL --> ${PUBLIC_URL}"
info_msg "internal URL --> http://${SEARX_INTERNAL_HTTP}"
fi
if ! service_is_available "http://${SEARX_INTERNAL_HTTP}"; then
err_msg "uWSGI app (service) at http://${SEARX_INTERNAL_HTTP} is not available!"
MSG="${_Green}[${_BCyan}CTRL-C${_Green}] to stop or [${_BCyan}KEY${_Green}] to continue"\
wait_key
fi
if ! service_is_available "${PUBLIC_URL}"; then
warn_msg "Public service at ${PUBLIC_URL} 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
local _debug_on
if ask_yn "Enable SearXNG debug mode?"; then
enable_debug
_debug_on=1
fi
echo
case $DIST_ID-$DIST_VERS in
ubuntu-*|debian-*)
systemctl --no-pager -l status "${SERVICE_NAME}"
;;
arch-*)
systemctl --no-pager -l status "uwsgi@${SERVICE_NAME%.*}"
;;
fedora-*|centos-7)
systemctl --no-pager -l status uwsgi
;;
esac
# 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
case $DIST_ID-$DIST_VERS in
ubuntu-*|debian-*) tail -f /var/log/uwsgi/app/searx.log ;;
arch-*) journalctl -f -u "uwsgi@${SERVICE_NAME%.*}" ;;
fedora-*|centos-7) journalctl -f -u uwsgi ;;
esac
done
if [[ $_debug_on == 1 ]]; then
disable_debug
fi
return 0
}
install_apache_site() {
rst_title "Install Apache site $APACHE_SEARX_SITE"
rst_para "\
This installs the SearXNG uwsgi app as apache site. If your server is public to
the internet, you should instead use a reverse proxy (filtron) to block
excessively bot queries."
! apache_is_installed && err_msg "Apache is not installed."
if ! ask_yn "Do you really want to continue?" Yn; then
return
else
install_apache
fi
apache_install_site --variant=uwsgi "${APACHE_SEARX_SITE}"
rst_title "Install SearXNG's uWSGI app (searx.ini)" section
echo
uWSGI_install_app --variant=socket "$SEARX_UWSGI_APP"
if ! service_is_available "${PUBLIC_URL}"; then
err_msg "Public service at ${PUBLIC_URL} is not available!"
fi
}
remove_apache_site() {
rst_title "Remove Apache site ${APACHE_SEARX_SITE}"
rst_para "\
This removes apache site ${APACHE_SEARX_SITE}."
! apache_is_installed && err_msg "Apache is not installed."
if ! ask_yn "Do you really want to continue?" Yn; then
return
fi
apache_remove_site "${APACHE_SEARX_SITE}"
rst_title "Remove SearXNG's uWSGI app (searx.ini)" section
echo
uWSGI_remove_app "$SEARX_UWSGI_APP"
}
rst-doc() {
local debian="${SEARX_PACKAGES_debian}"
local arch="${SEARX_PACKAGES_arch}"
local fedora="${SEARX_PACKAGES_fedora}"
local centos="${SEARX_PACKAGES_centos}"
local debian_build="${BUILD_PACKAGES_debian}"
local arch_build="${BUILD_PACKAGES_arch}"
local fedora_build="${BUILD_PACKAGES_fedora}"
local centos_build="${SEARX_PACKAGES_centos}"
debian="$(echo "${debian}" | sed 's/.*/ & \\/' | sed '$ s/.$//')"
arch="$(echo "${arch}" | sed 's/.*/ & \\/' | sed '$ s/.$//')"
fedora="$(echo "${fedora}" | sed 's/.*/ & \\/' | sed '$ s/.$//')"
centos="$(echo "${centos}" | sed 's/.*/ & \\/' | sed '$ s/.$//')"
debian_build="$(echo "${debian_build}" | sed 's/.*/ & \\/' | sed '$ s/.$//')"
arch_build="$(echo "${arch_build}" | sed 's/.*/ & \\/' | sed '$ s/.$//')"
fedora_build="$(echo "${fedora_build}" | sed 's/.*/ & \\/' | sed '$ s/.$//')"
centos_build="$(echo "${centos_build}" | sed 's/.*/ & \\/' | sed '$ s/.$//')"
eval "echo \"$(< "${REPO_ROOT}/docs/build-templates/searx.rst")\""
# I use ubuntu-20.04 here to demonstrate that versions are also suported,
# normaly debian-* and ubuntu-* are most the same.
for DIST_NAME in ubuntu-20.04 arch fedora; do
(
DIST_ID=${DIST_NAME%-*}
DIST_VERS=${DIST_NAME#*-}
[[ $DIST_VERS =~ $DIST_ID ]] && DIST_VERS=
uWSGI_distro_setup
echo -e "\n.. START searx uwsgi-description $DIST_NAME"
case $DIST_ID-$DIST_VERS in
ubuntu-*|debian-*) cat <<EOF
.. code:: bash
# init.d --> /usr/share/doc/uwsgi/README.Debian.gz
# For uWSGI debian uses the LSB init process, this might be changed
# one day, see https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=833067
create ${uWSGI_APPS_AVAILABLE}/${SEARX_UWSGI_APP}
enable: sudo -H ln -s ${uWSGI_APPS_AVAILABLE}/${SEARX_UWSGI_APP} ${uWSGI_APPS_ENABLED}/
start: sudo -H service uwsgi start ${SEARX_UWSGI_APP%.*}
restart: sudo -H service uwsgi restart ${SEARX_UWSGI_APP%.*}
stop: sudo -H service uwsgi stop ${SEARX_UWSGI_APP%.*}
disable: sudo -H rm ${uWSGI_APPS_ENABLED}/${SEARX_UWSGI_APP}
EOF
;;
arch-*) cat <<EOF
.. code:: bash
# systemd --> /usr/lib/systemd/system/uwsgi@.service
# For uWSGI archlinux uses systemd template units, see
# - http://0pointer.de/blog/projects/instances.html
# - https://uwsgi-docs.readthedocs.io/en/latest/Systemd.html#one-service-per-app-in-systemd
create: ${uWSGI_APPS_ENABLED}/${SEARX_UWSGI_APP}
enable: sudo -H systemctl enable uwsgi@${SEARX_UWSGI_APP%.*}
start: sudo -H systemctl start uwsgi@${SEARX_UWSGI_APP%.*}
restart: sudo -H systemctl restart uwsgi@${SEARX_UWSGI_APP%.*}
stop: sudo -H systemctl stop uwsgi@${SEARX_UWSGI_APP%.*}
disable: sudo -H systemctl disable uwsgi@${SEARX_UWSGI_APP%.*}
EOF
;;
fedora-*|centos-7) cat <<EOF
.. code:: bash
# systemd --> /usr/lib/systemd/system/uwsgi.service
# The unit file starts uWSGI in emperor mode (/etc/uwsgi.ini), see
# - https://uwsgi-docs.readthedocs.io/en/latest/Emperor.html
create: ${uWSGI_APPS_ENABLED}/${SEARX_UWSGI_APP}
restart: sudo -H touch ${uWSGI_APPS_ENABLED}/${SEARX_UWSGI_APP}
disable: sudo -H rm ${uWSGI_APPS_ENABLED}/${SEARX_UWSGI_APP}
EOF
;;
esac
echo -e ".. END searx uwsgi-description $DIST_NAME"
echo -e "\n.. START searx uwsgi-appini $DIST_NAME"
echo ".. code:: bash"
echo
eval "echo \"$(< "${TEMPLATES}/${uWSGI_APPS_AVAILABLE}/${SEARX_UWSGI_APP}")\"" | prefix_stdout " "
echo -e "\n.. END searx uwsgi-appini $DIST_NAME"
)
done
}
# ----------------------------------------------------------------------------
main "$@"
# ----------------------------------------------------------------------------
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