mirror of
https://github.com/searxng/searxng
synced 2024-01-01 18:24:07 +00:00
637 lines
19 KiB
Bash
Executable File
637 lines
19 KiB
Bash
Executable File
#!/usr/bin/env bash
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# -*- coding: utf-8; mode: sh indent-tabs-mode: nil -*-
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# SPDX-License-Identifier: AGPL-3.0-or-later
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# shellcheck disable=SC2001
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# shellcheck source=utils/lib.sh
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source "$(dirname "${BASH_SOURCE[0]}")/lib.sh"
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source_dot_config
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source "${REPO_ROOT}/utils/lxc.env"
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# ----------------------------------------------------------------------------
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# config
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# ----------------------------------------------------------------------------
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SEARX_INTERNAL_URL="${SEARX_INTERNAL_URL:-127.0.0.1:8888}"
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SEARX_URL_PATH="${SEARX_URL_PATH:-$(echo "${PUBLIC_URL}" \
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| sed -e 's,^.*://[^/]*\(/.*\),\1,g')}"
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[[ "${SEARX_URL_PATH}" == "${PUBLIC_URL}" ]] && SEARX_URL_PATH=/
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SEARX_INSTANCE_NAME="${SEARX_INSTANCE_NAME:-searx@$(echo "$PUBLIC_URL" \
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| sed -e 's,^.*://\([^\:/]*\).*,\1,g') }"
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SERVICE_NAME="searx"
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SERVICE_USER="${SERVICE_USER:-${SERVICE_NAME}}"
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SERVICE_HOME_BASE="${SERVICE_HOME_BASE:-/usr/local}"
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SERVICE_HOME="${SERVICE_HOME_BASE}/${SERVICE_USER}"
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# shellcheck disable=SC2034
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SERVICE_GROUP="${SERVICE_USER}"
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SEARX_GIT_URL="${SEARX_GIT_URL:-https://github.com/asciimoo/searx.git}"
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SEARX_GIT_BRANCH="${SEARX_GIT_BRANCH:-master}"
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SEARX_PYENV="${SERVICE_HOME}/searx-pyenv"
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SEARX_SRC="${SERVICE_HOME}/searx-src"
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SEARX_SETTINGS_PATH="/etc/searx/settings.yml"
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SEARX_UWSGI_APP="searx.ini"
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# shellcheck disable=SC2034
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SEARX_UWSGI_SOCKET="/run/uwsgi/app/searx/socket"
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case $DIST_ID in
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ubuntu|debian) # apt packages
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SEARX_PACKAGES="\
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python3-dev python3-babel python3-venv \
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uwsgi uwsgi-plugin-python3 \
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git build-essential libxslt-dev zlib1g-dev libffi-dev libssl-dev "
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;;
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arch) # pacman packages
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SEARX_PACKAGES="\
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python python-pip python-lxml python-babel \
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uwsgi uwsgi-plugin-python \
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git base-devel libxml2 "
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;;
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fedora) # dnf packages
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SEARX_PACKAGES="\
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python python-pip python-lxml python-babel \
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uwsgi uwsgi-plugin-python3 \
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git @development-tools libxml2 "
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;;
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esac
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# Apache Settings
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APACHE_APT_PACKAGES="\
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libapache2-mod-uwsgi \
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"
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APACHE_SEARX_SITE="searx.conf"
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# shellcheck disable=SC2034
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CONFIG_FILES=(
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"${uWSGI_APPS_AVAILABLE}/${SEARX_UWSGI_APP}"
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)
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# shellcheck disable=SC2034
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CONFIG_BACKUP_ENCRYPTED=(
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"${SEARX_SETTINGS_PATH}"
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)
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# ----------------------------------------------------------------------------
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usage() {
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# ----------------------------------------------------------------------------
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# shellcheck disable=SC1117
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cat <<EOF
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usage::
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$(basename "$0") shell
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$(basename "$0") install [all|user|searx-src|pyenv|apache]
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$(basename "$0") update [searx]
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$(basename "$0") remove [all|user|pyenv|searx-src]
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$(basename "$0") activate [service]
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$(basename "$0") deactivate [service]
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$(basename "$0") inspect [service]
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$(basename "$0") option [debug-on|debug-off]
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$(basename "$0") apache [install|remove]
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shell
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start interactive shell from user ${SERVICE_USER}
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install / remove
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:all: complete (de-) installation of searx service
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:user: add/remove service user '$SERVICE_USER' ($SERVICE_HOME)
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:searx-src: clone $SEARX_GIT_URL
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:pyenv: create/remove virtualenv (python) in $SEARX_PYENV
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:settings: reinstall settings from ${REPO_ROOT}/searx/settings.yml
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update searx
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Update searx installation ($SERVICE_HOME)
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activate service
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activate and start service daemon (systemd unit)
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deactivate service
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stop and deactivate service daemon (systemd unit)
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inspect service
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run some small tests and inspect service's status and log
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option
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set one of the available options
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apache
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:install: apache site with the searx uwsgi app
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:remove: apache site ${APACHE_FILTRON_SITE}
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searx settings: ${SEARX_SETTINGS_PATH}
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If needed, set PUBLIC_URL of your WEB service in the '${DOT_CONFIG#"$REPO_ROOT/"}' file::
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PUBLIC_URL : ${PUBLIC_URL}
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PUBLIC_HOST : ${PUBLIC_HOST}
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SEARX_INSTANCE_NAME : ${SEARX_INSTANCE_NAME}
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SERVICE_USER : ${SERVICE_USER}
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EOF
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[[ -n ${1} ]] && err_msg "$1"
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}
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main() {
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rst_title "$SEARX_INSTANCE_NAME" part
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required_commands \
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sudo systemctl install git wget curl \
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|| exit
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local _usage="unknown or missing $1 command $2"
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case $1 in
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--source-only) ;;
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-h|--help) usage; exit 0;;
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shell)
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sudo_or_exit
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interactive_shell "${SERVICE_USER}"
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;;
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inspect)
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case $2 in
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service)
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sudo_or_exit
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inspect_service
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;;
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*) usage "$_usage"; exit 42;;
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esac ;;
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install)
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sudo_or_exit
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case $2 in
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all) install_all ;;
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user) assert_user ;;
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pyenv) create_pyenv ;;
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searx-src) clone_searx ;;
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settings) install_settings ;;
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*) usage "$_usage"; exit 42;;
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esac ;;
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update)
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sudo_or_exit
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case $2 in
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searx) update_searx;;
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*) usage "$_usage"; exit 42;;
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esac ;;
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remove)
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sudo_or_exit
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case $2 in
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all) remove_all;;
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user) drop_service_account "${SERVICE_USER}";;
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pyenv) remove_pyenv ;;
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searx-src) remove_searx ;;
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*) usage "$_usage"; exit 42;;
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esac ;;
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activate)
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sudo_or_exit
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case $2 in
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service)
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activate_service ;;
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*) usage "$_usage"; exit 42;;
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esac ;;
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deactivate)
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sudo_or_exit
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case $2 in
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service) deactivate_service ;;
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*) usage "$_usage"; exit 42;;
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esac ;;
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option)
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sudo_or_exit
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case $2 in
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debug-on) echo; enable_debug ;;
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debug-off) echo; disable_debug ;;
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*) usage "$_usage"; exit 42;;
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esac ;;
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apache)
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sudo_or_exit
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case $2 in
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install) install_apache_site ;;
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remove) remove_apache_site ;;
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*) usage "$_usage"; exit 42;;
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esac ;;
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*) usage "unknown or missing command $1"; exit 42;;
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esac
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}
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_service_prefix=" ${_Yellow}|$SERVICE_USER|${_creset} "
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install_all() {
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rst_title "Install $SEARX_INSTANCE_NAME (service)"
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pkg_install "$SEARX_PACKAGES"
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wait_key
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assert_user
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wait_key
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clone_searx
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wait_key
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create_pyenv
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wait_key
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install_settings
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wait_key
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test_local_searx
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wait_key
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install_searx_uwsgi
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if ! service_is_available "http://$SEARX_INTERNAL_URL"; then
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err_msg "URL http://$SEARX_INTERNAL_URL not available, check searx & uwsgi setup!"
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fi
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if ask_yn "Do you want to inspect the installation?" Ny; then
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inspect_service
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fi
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}
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update_searx() {
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rst_title "Update searx instance"
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echo
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tee_stderr 0.3 <<EOF | sudo -H -u "${SERVICE_USER}" -i 2>&1 | prefix_stdout "$_service_prefix"
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cd ${SEARX_SRC}
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git checkout -B "$SEARX_GIT_BRANCH"
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git pull
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${SEARX_SRC}/manage.sh update_packages
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EOF
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install_settings
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uWSGI_restart "$SEARX_UWSGI_APP"
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}
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remove_all() {
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rst_title "De-Install $SEARX_INSTANCE_NAME (service)"
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rst_para "\
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It goes without saying that this script can only be used to remove
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installations that were installed with this script."
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if ! ask_yn "Do you really want to deinstall $SEARX_INSTANCE_NAME?"; then
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return
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fi
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remove_searx_uwsgi
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drop_service_account "${SERVICE_USER}"
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remove_settings
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wait_key
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if service_is_available "${PUBLIC_URL}"; then
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MSG="** Don't forgett to remove your public site! (${PUBLIC_URL}) **" wait_key 10
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fi
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}
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assert_user() {
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rst_title "user $SERVICE_USER" section
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echo
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tee_stderr 1 <<EOF | bash | prefix_stdout
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useradd --shell /bin/bash --system \
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--home-dir "$SERVICE_HOME" \
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--comment 'Privacy-respecting metasearch engine' $SERVICE_USER
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mkdir "$SERVICE_HOME"
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chown -R "$SERVICE_GROUP:$SERVICE_GROUP" "$SERVICE_HOME"
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groups $SERVICE_USER
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EOF
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#SERVICE_HOME="$(sudo -i -u "$SERVICE_USER" echo \$HOME)"
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#export SERVICE_HOME
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#echo "export SERVICE_HOME=$SERVICE_HOME"
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}
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clone_is_available() {
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[[ -f "$SEARX_SRC/.git/config" ]]
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}
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# shellcheck disable=SC2164
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clone_searx() {
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rst_title "Clone searx sources" section
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echo
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SERVICE_HOME="$(sudo -i -u "$SERVICE_USER" echo \$HOME 2>/dev/null)"
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if [[ ! "${SERVICE_HOME}" ]]; then
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err_msg "to clone searx sources, user $SERVICE_USER hast to be created first"
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return 42
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fi
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export SERVICE_HOME
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git_clone "$REPO_ROOT" "$SEARX_SRC" \
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"$SEARX_GIT_BRANCH" "$SERVICE_USER"
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pushd "${SEARX_SRC}" > /dev/null
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tee_stderr 0.1 <<EOF | sudo -H -u "${SERVICE_USER}" -i 2>&1 | prefix_stdout "$_service_prefix"
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cd "${SEARX_SRC}"
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git remote set-url origin ${SEARX_GIT_URL}
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git config user.email "$ADMIN_EMAIL"
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git config user.name "$ADMIN_NAME"
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git config --list
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EOF
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popd > /dev/null
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}
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install_settings() {
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rst_title "${SEARX_SETTINGS_PATH}" section
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if ! clone_is_available; then
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err_msg "you have to install searx first"
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exit 42
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fi
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mkdir -p "$(dirname ${SEARX_SETTINGS_PATH})"
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if [[ ! -f ${SEARX_SETTINGS_PATH} ]]; then
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info_msg "install settings ${REPO_ROOT}/searx/settings.yml"
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info_msg " --> ${SEARX_SETTINGS_PATH}"
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cp "${REPO_ROOT}/searx/settings.yml" "${SEARX_SETTINGS_PATH}"
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configure_searx
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return
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fi
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rst_para "Diff between origin's setting file (+) and current (-):"
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echo
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$DIFF_CMD "${SEARX_SETTINGS_PATH}" "${SEARX_SRC}/searx/settings.yml"
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local action
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choose_one action "What should happen to the settings file? " \
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"keep configuration unchanged" \
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"use origin settings" \
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"start interactiv shell"
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case $action in
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"keep configuration unchanged")
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info_msg "leave settings file unchanged"
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;;
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"use origin settings")
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backup_file "${SEARX_SETTINGS_PATH}"
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info_msg "install origin settings"
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cp "${SEARX_SRC}/searx/settings.yml" "${SEARX_SETTINGS_PATH}"
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;;
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"start interactiv shell")
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backup_file "${SEARX_SETTINGS_PATH}"
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echo -e "// exit with [${_BCyan}CTRL-D${_creset}]"
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sudo -H -i
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rst_para 'Diff between new setting file (-) and current (+):'
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echo
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$DIFF_CMD "${SEARX_SRC}/searx/settings.yml" "${SEARX_SETTINGS_PATH}"
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wait_key
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;;
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esac
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}
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remove_settings() {
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rst_title "remove searx settings" section
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echo
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info_msg "delete ${SEARX_SETTINGS_PATH}"
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rm -f "${SEARX_SETTINGS_PATH}"
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}
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remove_searx() {
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rst_title "Drop searx sources" section
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if ask_yn "Do you really want to drop searx sources ($SEARX_SRC)?"; then
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rm -rf "$SEARX_SRC"
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else
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rst_para "Leave searx sources unchanged."
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fi
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}
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pyenv_is_available() {
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[[ -f "${SEARX_PYENV}/bin/activate" ]]
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}
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create_pyenv() {
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rst_title "Create virtualenv (python)" section
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echo
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if [[ ! -f "${SEARX_SRC}/manage.sh" ]]; then
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err_msg "to create pyenv for searx, searx has to be cloned first"
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return 42
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fi
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info_msg "create pyenv in ${SEARX_PYENV}"
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tee_stderr 0.1 <<EOF | sudo -H -u "${SERVICE_USER}" -i 2>&1 | prefix_stdout "$_service_prefix"
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rm -rf "${SEARX_PYENV}"
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python3 -m venv "${SEARX_PYENV}"
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grep -qFs -- 'source ${SEARX_PYENV}/bin/activate' ~/.profile \
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|| echo 'source ${SEARX_PYENV}/bin/activate' >> ~/.profile
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EOF
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info_msg "inspect python's virtual environment"
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tee_stderr 0.1 <<EOF | sudo -H -u "${SERVICE_USER}" -i 2>&1 | prefix_stdout "$_service_prefix"
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command -v python && python --version
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EOF
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wait_key
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info_msg "install needed python packages"
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tee_stderr 0.1 <<EOF | sudo -H -u "${SERVICE_USER}" -i 2>&1 | prefix_stdout "$_service_prefix"
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${SEARX_SRC}/manage.sh update_packages
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EOF
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}
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remove_pyenv() {
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rst_title "Remove virtualenv (python)" section
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if ! ask_yn "Do you really want to drop ${SEARX_PYENV} ?"; then
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return
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fi
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info_msg "remove pyenv activation from ~/.profile"
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tee_stderr 0.1 <<EOF | sudo -H -u "${SERVICE_USER}" -i 2>&1 | prefix_stdout "$_service_prefix"
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grep -v 'source ${SEARX_PYENV}/bin/activate' ~/.profile > ~/.profile.##
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mv ~/.profile.## ~/.profile
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EOF
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rm -rf "${SEARX_PYENV}"
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}
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configure_searx() {
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rst_title "Configure searx" section
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rst_para "Setup searx config located at $SEARX_SETTINGS_PATH"
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echo
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tee_stderr 0.1 <<EOF | sudo -H -i 2>&1 | prefix_stdout "$_service_prefix"
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cd ${SEARX_SRC}
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sed -i -e "s/ultrasecretkey/$(openssl rand -hex 16)/g" "$SEARX_SETTINGS_PATH"
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sed -i -e "s/{instance_name}/${SEARX_INSTANCE_NAME}/g" "$SEARX_SETTINGS_PATH"
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EOF
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}
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test_local_searx() {
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rst_title "Testing searx instance localy" section
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echo
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if service_is_available "http://$SEARX_INTERNAL_URL" &>/dev/null; then
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err_msg "URL/port http://$SEARX_INTERNAL_URL is already in use, you"
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err_msg "should stop that service before starting local tests!"
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if ! ask_yn "Continue with local tests?"; then
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return
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fi
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fi
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sed -i -e "s/debug : False/debug : True/g" "$SEARX_SETTINGS_PATH"
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tee_stderr 0.1 <<EOF | sudo -H -u "${SERVICE_USER}" -i 2>&1 | prefix_stdout "$_service_prefix"
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export SEARX_SETTINGS_PATH="${SEARX_SETTINGS_PATH}"
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cd ${SEARX_SRC}
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timeout 10 python3 searx/webapp.py &
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sleep 3
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curl --location --verbose --head --insecure $SEARX_INTERNAL_URL
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EOF
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sed -i -e "s/debug : True/debug : False/g" "$SEARX_SETTINGS_PATH"
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}
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install_searx_uwsgi() {
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rst_title "Install searx's uWSGI app (searx.ini)" section
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echo
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uWSGI_install_app "$SEARX_UWSGI_APP"
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}
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remove_searx_uwsgi() {
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rst_title "Remove searx's uWSGI app (searx.ini)" section
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echo
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uWSGI_remove_app "$SEARX_UWSGI_APP"
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}
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activate_service() {
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rst_title "Activate $SEARX_INSTANCE_NAME (service)" section
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echo
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uWSGI_enable_app "$SEARX_UWSGI_APP"
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uWSGI_restart "$SEARX_UWSGI_APP"
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}
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deactivate_service() {
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rst_title "De-Activate $SEARX_INSTANCE_NAME (service)" section
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echo
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uWSGI_disable_app "$SEARX_UWSGI_APP"
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uWSGI_restart "$SEARX_UWSGI_APP"
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}
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enable_debug() {
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warn_msg "Do not enable debug in production enviroments!!"
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info_msg "try to enable debug mode ..."
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tee_stderr 0.1 <<EOF | sudo -H -i 2>&1 | prefix_stdout "$_service_prefix"
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cd ${SEARX_SRC}
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sed -i -e "s/debug : False/debug : True/g" "$SEARX_SETTINGS_PATH"
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EOF
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uWSGI_restart "$SEARX_UWSGI_APP"
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}
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disable_debug() {
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info_msg "try to disable debug mode ..."
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tee_stderr 0.1 <<EOF | sudo -H -i 2>&1 | prefix_stdout "$_service_prefix"
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cd ${SEARX_SRC}
|
|
sed -i -e "s/debug : True/debug : False/g" "$SEARX_SETTINGS_PATH"
|
|
EOF
|
|
uWSGI_restart "$SEARX_UWSGI_APP"
|
|
}
|
|
|
|
inspect_service() {
|
|
rst_title "service status & log"
|
|
cat <<EOF
|
|
|
|
sourced ${DOT_CONFIG#"$REPO_ROOT/"} :
|
|
|
|
PUBLIC_URL : ${PUBLIC_URL}
|
|
PUBLIC_HOST : ${PUBLIC_HOST}
|
|
SEARX_URL_PATH : ${SEARX_URL_PATH}
|
|
SEARX_INSTANCE_NAME : ${SEARX_INSTANCE_NAME}
|
|
SEARX_INTERNAL_URL : ${SEARX_INTERNAL_URL}
|
|
|
|
EOF
|
|
|
|
apache_is_installed && info_msg "Apache is installed."
|
|
|
|
if service_account_is_available "$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: Searx software is installed."
|
|
else
|
|
err_msg "~$SERVICE_USER: Missing searx software!"
|
|
fi
|
|
|
|
if uWSGI_app_enabled "$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 is_container; then
|
|
warn_msg "runnning inside container ..."
|
|
for ip in $(hostname -I); do
|
|
if [[ $ip =~ .*:.* ]]; then
|
|
info_msg " public HTTP service (IPv6) --> http://[$ip]"
|
|
else
|
|
info_msg " public HTTP service (IPv4) --> http://$ip"
|
|
fi
|
|
done
|
|
warn_msg "SEARX_INTERNAL_URL not available from outside"
|
|
fi
|
|
|
|
if ! service_is_available "http://${SEARX_INTERNAL_URL}"; then
|
|
err_msg "uWSGI app (service) at http://${SEARX_INTERNAL_URL} is not available!"
|
|
echo -e "${_Green}stop with [${_BCyan}CTRL-C${_Green}] or .."
|
|
wait_key
|
|
fi
|
|
|
|
if ! service_is_available "${PUBLIC_URL}"; then
|
|
warn_msg "Public service at ${PUBLIC_URL} is not available!"
|
|
if is_container; then
|
|
warn_msg "Check if public name is correct and routed or use the public IP from above."
|
|
fi
|
|
fi
|
|
|
|
local _debug_on
|
|
if ask_yn "Enable searx debug mode?"; then
|
|
enable_debug
|
|
_debug_on=1
|
|
fi
|
|
echo
|
|
systemctl --no-pager -l status "${SERVICE_NAME}"
|
|
echo
|
|
|
|
info_msg "public URL --> ${PUBLIC_URL}"
|
|
info_msg "internal URL --> http://${SEARX_INTERNAL_URL}"
|
|
# shellcheck disable=SC2059
|
|
printf "// use ${_BCyan}CTRL-C${_creset} to stop monitoring the log"
|
|
read -r -s -n1 -t 2
|
|
echo
|
|
while true; do
|
|
trap break 2
|
|
#journalctl -f -u "${SERVICE_NAME}"
|
|
tail -f /var/log/uwsgi/app/searx.log
|
|
done
|
|
|
|
if [[ $_debug_on == 1 ]]; then
|
|
disable_debug
|
|
fi
|
|
return 0
|
|
}
|
|
|
|
install_apache_site() {
|
|
rst_title "Install Apache site $APACHE_SEARX_SITE"
|
|
|
|
rst_para "\
|
|
This installs the searx uwsgi app as apache site. If your server ist public to
|
|
the internet you should instead use a reverse proxy (filtron) to block
|
|
excessively bot queries."
|
|
|
|
! apache_is_installed && err_msg "Apache is not installed."
|
|
|
|
if ! ask_yn "Do you really want to install apache site for searx-uwsgi?"; then
|
|
return
|
|
fi
|
|
|
|
pkg_install "$APACHE_APT_PACKAGES"
|
|
a2enmod uwsgi
|
|
|
|
echo
|
|
apache_install_site --variant=uwsgi "${APACHE_SEARX_SITE}"
|
|
|
|
if ! service_is_available "${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 ${APACHE_SEARX_SITE}."
|
|
|
|
! apache_is_installed && err_msg "Apache is not installed."
|
|
|
|
if ! ask_yn "Do you really want to continue?"; then
|
|
return
|
|
fi
|
|
|
|
apache_remove_site "${APACHE_SEARX_SITE}"
|
|
}
|
|
|
|
# ----------------------------------------------------------------------------
|
|
main "$@"
|
|
# ----------------------------------------------------------------------------
|