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mirror of https://github.com/searxng/searxng.git synced 2024-11-22 04:01:40 +01:00

utils/searx.sh: add script to install isolated searx service (WIP)

WIP: written from scratch / linted but untested

Signed-off-by: Markus Heiser <markus.heiser@darmarit.de>
This commit is contained in:
Markus Heiser 2020-01-14 19:26:54 +01:00
parent 58a9fa93f6
commit 3cf31528f3
4 changed files with 532 additions and 7 deletions

View File

@ -79,6 +79,7 @@ test: test.pep8 test.unit test.sh test.robot
test.sh:
shellcheck -x utils/lib.sh
shellcheck -x utils/filtron.sh
shellcheck -x utils/searx.sh
test.pep8: pyenvinstall
$(PY_ENV_ACT); ./manage.sh pep8_check

View File

@ -192,7 +192,8 @@ assert_user() {
rst_title "user $SERVICE_USER" section
echo
tee_stderr 1 <<EOF | bash | prefix_stdout
sudo -H adduser --shell /bin/bash --system --home $SERVICE_HOME --group --gecos 'Filtron' $SERVICE_USER
sudo -H adduser --shell /bin/bash --system --home $SERVICE_HOME \
--disabled-password --group --gecos 'Filtron' $SERVICE_USER
sudo -H usermod -a -G shadow $SERVICE_USER
groups $SERVICE_USER
EOF

View File

@ -2,6 +2,12 @@
# -*- coding: utf-8; mode: sh -*-
# shellcheck disable=SC2059,SC1117,SC2162,SC2004
ADMIN_NAME="${ADMIN_NAME:-$(git config user.name)}"
ADMIN_NAME="${ADMIN_NAME:-$USER}"
ADMIN_EMAIL="${ADMIN_EMAIL:-$(git config user.email)}"
ADMIN_EMAIL="${ADMIN_EMAIL:-$USER@$(hostname)}"
if [[ -z "${REPO_ROOT}" ]]; then
REPO_ROOT=$(dirname "${BASH_SOURCE[0]}")
while [ -h "${REPO_ROOT}" ] ; do
@ -115,7 +121,7 @@ ask_yn() {
esac
echo
while true; do
clean_stdin
clean_stdin
printf "$1 ${choice} "
# shellcheck disable=SC2086
read -n1 $_t
@ -240,7 +246,7 @@ choose_one() {
fi
done
while true; do
clean_stdin
clean_stdin
printf "$1 [$default] "
if (( 10 > $max )); then
@ -333,7 +339,7 @@ install_template() {
info_msg "install: ${template_file}"
sudo -H install -v -o "${owner}" -g "${group}" -m "${chmod}" \
"${template_file}" "${dst}" | prefix_stdout
break
break
;;
"leave file unchanged")
break
@ -343,12 +349,180 @@ install_template() {
echo "// exit with CTRL-D"
sudo -H -u "${owner}" -i
$DIFF_CMD "${dst}" "${template_file}"
if ask_yn "did you edit ${template_file} to your needs?"; then
break
fi
if ask_yn "did you edit ${template_file} to your needs?"; then
break
fi
;;
"diff files")
$DIFF_CMD "${dst}" "${template_file}" | prefix_stdout
esac
done
}
# uWSGI
# -----
uWSGI_SETUP="${uWSGI_SETUP:=/etc/uwsgi}"
uWSGI_restart() {
# usage: uWSGI_restart()
info_msg "restart uWSGI service"
sudo -H systemctl restart uwsgi
}
uWSGI_install_app() {
# usage: uWSGI_install_app [--no-eval] /etc/uwsgi/apps-available/myapp.ini ...
local do_eval=""
local CONF
if [[ "$1" == "--no-eval" ]]; then
no_eval=$1; shift
fi
for CONF in "$@"; do
install_template "$no_eval" "${CONF}" root root 644
uWSGI_enable_app "$(basename "${CONF}")"
info_msg "enabled uWSGI app: $(basename "${CONF}")"
done
uWSGI_restart
}
uWSGI_remove_app() {
# usage: uWSGI_remove_app <path.ini> ...
local CONF
for CONF in "$@"; do
uWSGI_disable_app "$(basename "${CONF}")"
rm -f "$CONF"
info_msg "removed uWSGI app: $(basename "${CONF}")"
done
uWSGI_restart
}
# shellcheck disable=SC2164
uWSGI_enable_app() {
# usage: uWSGI_enable_app <path.ini>
local CONF=$1
if [[ -z $CONF ]]; then
err_msg "uWSGI_enable_app missing arguments"
return 42
fi
pushd "${uWSGI_SETUP}/apps-enabled" >/dev/null
# shellcheck disable=SC2226
ln -s "../apps-available/$(basename "${CONF}")"
info_msg "enabled uWSGI app: $(basename "${CONF}") (restart uWSGI required)"
popd >/dev/null
}
uWSGI_disable_app() {
# usage: uWSGI_disable_app <path.ini>
local CONF=$1
if [[ -z $CONF ]]; then
err_msg "uWSGI_enable_app missing arguments"
return 42
fi
rm -f "${uWSGI_SETUP}/apps-enabled/$CONF"
info_msg "disabled uWSGI app: $(basename "${CONF}") (restart uWSGI required)"
}
# distro's package manager
# ------------------------
#
# FIXME: Arch Linux & RHEL should be added
#
pkg_install() {
# usage: TITEL='install foobar' pkg_install foopkg barpkg
rst_title "${TITLE:-installation of packages}" section
echo -en "\npackage(s)::\n\n $*\n" | $FMT
if ! ask_yn "Should packages be installed?" Yn 30; then
return 42
fi
# shellcheck disable=SC2068
apt-get install -y $@
wait_key 30
}
pkg_remove() {
# usage: TITEL='remove foobar' pkg_remove foopkg barpkg
rst_title "${TITLE:-remove packages}" section
echo -en "\npackage(s)::\n\n $*\n" | $FMT
if ! ask_yn "Should packages be removed (purge)?" Yn 30; then
return 42
fi
apt-get purge --autoremove --ignore-missing -y "$@"
wait_key 30
}
pkg_is_installed() {
# usage: pkg_is_install foopkg || pkg_install foopkg
dpkg -l "$1" &> /dev/null
return $?
}
# git tooling
# -----------
# shellcheck disable=SC2164
git_clone() {
# usage:
#
# git_clone <url> <name> [<branch> [<user>]]
# git_clone <url> <path> [<branch> [<user>]]
#
# First form uses $CACHE/<name> as destination folder, second form clones
# into <path>. If repository is allready cloned, merge from origin and
# update working tree (if needed, the caller has to stash local changes).
#
# git clone https://github.com/asciimoo/searx searx-src origin/master searxlogin
#
local url="$1"
local dest="$2"
local branch="$3"
local user="$4"
local prefix=""
if [[ ! "${dest:0:1}" = "/" ]]; then
dest="$CACHE/$dest"
fi
[[ -z $branch ]] && branch=master
[[ -z $user ]] && [[ ! -z "${SUDO_USER}" ]] && user="${SUDO_USER}"
[[ -z $user ]] && prefix="sudo -H -u $user"
if [[ -d "${dest}" ]] ; then
info_msg "already cloned: $dest"
pushd "${dest}" > /dev/null
$prefix git checkout -b "$(basename "$branch")" --track "$branch"
$prefix git pull --all
popd > /dev/null
else
info_msg "clone into: $dest"
$prefix mkdir -p "$(dirname "$dest")"
pushd "${dest}" > /dev/null
git clone "$url" "$(basename "$dest")"
popd > /dev/null
fi
}

349
utils/searx.sh Executable file
View File

@ -0,0 +1,349 @@
#!/usr/bin/env bash
# -*- coding: utf-8; mode: sh -*-
# shellcheck disable=SC2119
# shellcheck source=utils/lib.sh
source "$(dirname "${BASH_SOURCE[0]}")/lib.sh"
# ----------------------------------------------------------------------------
# config
# ----------------------------------------------------------------------------
SERVICE_NAME="searx"
SERVICE_USER="${SERVICE_NAME}"
# shellcheck disable=SC2034
SERVICE_GROUP="${SERVICE_USER}"
SERVICE_HOME="/home/${SERVICE_USER}"
SEARX_GIT_URL="https://github.com/asciimoo/searx.git"
SEARX_GIT_BRANCH="origin/master"
# FIXME: Arch Linux & RHEL should be added
SEARX_APT_PACKAGES="\
libapache2-mod-uwsgi uwsgi uwsgi-plugin-python3 \
git build-essential libxslt-dev python3-dev python3-babel zlib1g-dev \
libffi-dev libssl-dev"
SEARX_VENV="${SEARX_HOME}/searx-venv"
SEARX_SRC="${SEARX_HOME}/searx-src"
SEARX_SETTINGS="${SEARX_SRC}/searx/settings.yml"
SEARX_INSTANCE_NAME="${SEARX_INSTANCE_NAME:-searx@$(uname -n)}"
SEARX_UWSGI_APP="${uWSGI_SETUP}/apps-available/searx.ini"
# shellcheck disable=SC2034
CONFIG_FILES=(
"${SEARX_UWSGI_APP}"
)
# shellcheck disable=SC2034
CONFIG_BACKUP_ENCRYPTED=(
"${SEARX_SETTINGS}"
)
# ----------------------------------------------------------------------------
usage(){
# ----------------------------------------------------------------------------
# shellcheck disable=SC1117
cat <<EOF
usage:
$(basename "$0") shell
$(basename "$0") install [all|user]
$(basename "$0") update [searx]
$(basename "$0") remove [all]
$(basename "$0") activate [service]
$(basename "$0") deactivate [service]
$(basename "$0") show [service]
shell
start interactive shell from user ${SERVICE_USER}
install / remove all
complete setup of searx service
update searx
Update searx installation of user ${SERVICE_USER}
activate
activate and start service daemon (systemd unit)
deactivate service
stop and deactivate service daemon (systemd unit)
install user
add service user '$SERVICE_USER' at $SERVICE_HOME
show service
show service status and log
EOF
[ ! -z ${1+x} ] && echo -e "$1"
}
main(){
rst_title "$SERVICE_NAME" part
local _usage="ERROR: unknown or missing $1 command $2"
case $1 in
--source-only) ;;
-h|--help) usage; exit 0;;
shell)
sudo_or_exit
interactive_shell
;;
show)
case $2 in
service)
sudo_or_exit
show_service
;;
*) usage "$_usage"; exit 42;;
esac ;;
install)
sudo_or_exit
case $2 in
all) install_all ;;
user) assert_user ;;
*) usage "$_usage"; exit 42;;
esac ;;
update)
sudo_or_exit
case $2 in
searx) update_searx;;
*) usage "$_usage"; exit 42;;
esac ;;
remove)
sudo_or_exit
case $2 in
all) remove_all;;
user) remove_user ;;
*) usage "$_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 ;;
*) usage "ERROR: unknown or missing command $1"; exit 42;;
esac
}
_service_prefix=" |$SERVICE_USER| "
install_all() {
rst_title "Install $SERVICE_NAME (service)"
pkg_install "$SEARX_APT_PACKAGES"
wait_key
assert_user
wait_key
clone_searx
wait_key
create_venv
wait_key
configure_searx
wait_key
test_local_searx
wait_key
install_searx_uwsgi
wait_key
# ToDo ...
# install_apache_site
# test_public_searx
# info_msg "searX --> https://${SEARX_APACHE_DOMAIN}${SEARX_APACHE_URL}"
}
update_searx() {
rst_title "Update searx instance"
echo
tee_stderr 0.1 <<EOF | sudo -H -u "${SERVICE_USER}" -i 2>&1 | prefix_stdout "$_service_prefix"
cd ${SEARX_SRC}
cp -f ${SEARX_SETTINGS} ${SEARX_SETTINGS}.backup
git stash push -m "BACKUP -- 'update server' at ($(date))"
git checkout -b "$(basename "$SEARX_GIT_BRANCH")" --track "$SEARX_GIT_BRANCH"
git pull "$SEARX_GIT_BRANCH"
${SEARX_SRC}/manage.sh update_packages
EOF
configure_searx
rst_title "${SEARX_SETTINGS}" section
rstBlock 'Diff between new setting file (<) and backup (>):'
echo
diff "$SEARX_SETTINGS}" "${SEARX_SETTINGS}.backup"
local action
choose_one action "What should happen to the settings file? " \
"keep new configuration" \
"revert to the old configuration (backup file)" \
"start interactiv shell"
case $action in
"keep new configuration")
info_msg "continue using new settings file"
;;
"revert to the old configuration (backup file)")
tee_stderr 0.1 <<EOF | sudo -H -u "${SERVICE_USER}" -i 2>&1 | prefix_stdout "$_service_prefix"
cp -f ${SEARX_SETTINGS}.backup ${SEARX_SETTINGS}
EOF
;;
"start interactiv shell")
interactive_shell
;;
esac
chown "${SERVICE_USER}:${SERVICE_USER}" "${SEARX_SETTINGS}"
# shellcheck disable=SC2016
rst_para 'Diff between local modified settings (<) and $SEARX_GIT_BRANCH branch (>):'
echo
git_diff
wait_key
uWSGI_restart
}
remove_all() {
rst_title "De-Install $SERVICE_NAME (service)"
remove_service
wait_key
remove_user
}
assert_user() {
rst_title "user $SERVICE_USER" section
echo
tee_stderr 1 <<EOF | bash | prefix_stdout
sudo -H adduser --shell /bin/bash --system --home "$SERVICE_HOME" \
--disabled-password --group --gecos 'searx' $SERVICE_USER
sudo -H usermod -a -G shadow $SERVICE_USER
groups $SERVICE_USER
EOF
#SERVICE_HOME="$(sudo -i -u "$SERVICE_USER" echo \$HOME)"
#export SERVICE_HOME
#echo "export SERVICE_HOME=$SERVICE_HOME"
}
remove_user() {
rst_title "Drop $SERVICE_USER HOME" section
if ask_yn "Do you really want to drop $SERVICE_USER home folder?"; then
userdel -r -f "$SERVICE_USER" 2>&1 | prefix_stdout
else
rst_para "Leave HOME folder $(du -sh "$SERVICE_HOME") unchanged."
fi
}
# shellcheck disable=SC2164
clone_searx(){
rst_title "Clone searx sources" section
echo
git_clone "$SEARX_GIT_URL" "$SEARX_SRC" \
"$SEARX_GIT_BRANCH" "$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 config user.email "$ADMIN_EMAIL"
git config user.name "$ADMIN_NAME"
git checkout "$SEARX_GIT_BRANCH"
EOF
popd > /dev/null
}
create_venv(){
rst_title "Create virtualenv (python)" section
rst_para "Create venv in ${SEARX_VENV} and install needed python packages."
echo
tee_stderr 0.1 <<EOF | sudo -H -u "${SERVICE_USER}" -i 2>&1 | prefix_stdout "$_service_prefix"
rm -rf "${SEARX_VENV}"
python3 -m venv "${SEARX_VENV}"
. ${SEARX_VENV}/bin/activate
${SEARX_SRC}/manage.sh update_packages
EOF
tee_stderr 0.1 <<EOF | sudo -H -u "${SERVICE_USER}" -i 2>&1 | prefix_stdout "$_service_prefix"
grep -qFs -- 'source ${SEARX_VENV}/bin/activate' ~/.profile \
|| echo 'source ${SEARX_VENV}/bin/activate' >> ~/.profile
EOF
}
configure_searx(){
rst_title "Configure searx" section
rst_para "Setup searx config located at $SEARX_SETTINGS"
echo
tee_stderr 0.1 <<EOF | sudo -H -u "${SERVICE_USER}" -i 2>&1 | prefix_stdout "$_service_prefix"
cd ${SEARX_SRC}
sed -i -e "s/ultrasecretkey/$(openssl rand -hex 16)/g" "$SEARX_SETTINGS"
sed -i -e "s/{instance_name}/${SEARX_INSTANCE_NAME}/g" "$SEARX_SETTINGS"
EOF
}
test_local_searx(){
rstHeading "Testing searx instance localy" section
echo
tee_stderr 0.1 <<EOF | sudo -H -u "${SERVICE_USER}" -i 2>&1 | prefix_stdout "$_service_prefix"
cd ${SEARX_SRC}
sed -i -e "s/debug : False/debug : True/g" "$SEARX_SETTINGS"
timeout 5 python3 searx/webapp.py &
sleep 1
curl --location --verbose --head --insecure http://127.0.0.1:8888/
sed -i -e "s/debug : True/debug : False/g" "$SEARX_SETTINGS"
EOF
waitKEY
}
install_searx_uwsgi() {
rst_title "Install searx's uWSGI app (searx.ini)" section
echo
uWSGI_install_app "$SEARX_UWSGI_APP"
}
remove_searx_uwsgi() {
rst_title "Remove searx's uWSGI app (searx.ini)" section
echo
uWSGI_remove_app "$SEARX_UWSGI_APP"
}
activate_service () {
rst_title "Activate $SERVICE_NAME (service)" section
uWSGI_enable_app "$SEARX_UWSGI_APP"
}
deactivate_service () {
rst_title "De-Activate $SERVICE_NAME (service)" section
uWSGI_disable_app "$SEARX_UWSGI_APP"
}
interactive_shell(){
echo "// exit with CTRL-D"
sudo -H -u "${SERVICE_USER}" -i
}
git_diff(){
sudo -H -u "${SERVICE_USER}" -i <<EOF
cd ${SEARX_REPO_FOLDER}
git --no-pager diff
EOF
}
show_service () {
rst_title "service status & log"
echo
systemctl status uwsgi.service
echo
read -r -s -n1 -t 5 -p "// use CTRL-C to stop monitoring the log"
echo
while true; do
trap break 2
journalctl -f -u uwsgi.service
done
return 0
}
# ----------------------------------------------------------------------------
main "$@"
# ----------------------------------------------------------------------------