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README.md
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README.md
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# owl-installer
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owl knowledge base installer.
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```bash
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bash owl_installer.sh
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```
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## TODO
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1. Обработка исключений.
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2. Установка SSL?
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3. Опции командной строки для задания параметров установки.
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owl_installer.sh
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owl_installer.sh
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#!/usr/bin/env bash
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########################################################################
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#
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# owl-installer (v0.4)
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# Details at: https://owl.gch.icu/deploy/script/
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# Home page: https://owl.gch.icu/
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#
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# LICENSE
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#
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# This is free and unencumbered software released into the public domain.
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#
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# Anyone is free to copy, modify, publish, use, compile, sell, or
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# distribute this software, either in source code form or as a compiled
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# binary, for any purpose, commercial or non-commercial, and by any
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# means.
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#
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# In jurisdictions that recognize copyright laws, the author or authors
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# of this software dedicate any and all copyright interest in the
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# software to the public domain. We make this dedication for the benefit
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# of the public at large and to the detriment of our heirs and
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# successors. We intend this dedication to be an overt act of
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# relinquishment in perpetuity of all present and future rights to this
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# software under copyright law.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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# IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR
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# OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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# ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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# OTHER DEALINGS IN THE SOFTWARE.
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#
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# For more information, please refer to <http://unlicense.org/>
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#
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#######################################################################
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# Edit systemd service, socket and nginx vhost name here
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OWL_SERVICE='/etc/systemd/system/owl.service'
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OWL_SOCKET='/etc/systemd/system/owl.socket'
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OWL_SOCK='/run/owl.sock' # literally socket file
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OWL_VHOST='/etc/nginx/sites-available/owl.vhost'
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# User who runs application. If it changed
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#+don't forgot add www-data to your user's group!
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# usermod -aG YOUR_USERNAME www-data
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OWL_USER='www-data'
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# Colors
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R="\e[31m" # red
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G="\e[32m" # green
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Y="\e[33m" # yellow
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B="\e[34m" # blue
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N="\e[0m" # no color
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owl_abort() {
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echo -e "${R}Abort!${N}"
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exit
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}
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echo -e "${B}owl installation script v0.4${N}"
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cat <<EOF
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, ,
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/\\ /\\
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((@v@))
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((;;; (\\
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\\ ;;; \\'
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,V.V \`
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\`\` \`\`
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Home page: https://owl.gch.icu/
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EOF
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if [[ ! "$USER" == 'root' ]]; then
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echo -e "${R}You must run this script as root.${N}"
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owl_abort
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fi
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owl_get_domain() {
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echo -n 'Enter your domain name: '
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read OWL_DOMAIN
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PATTERN='Yes|yes|Y|y'
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echo -en "This is correct domain?: ${Y}$OWL_DOMAIN${N} [y/N]: "
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while read; do
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if [[ "$REPLY" =~ $PATTERN ]]; then
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echo -e "${G}Getting started...${N}"
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break
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else
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owl_abort
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fi
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done
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}
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owl_install_requirements() {
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echo -e "${G}Installing web-server and must have packages...${N}"
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apt update
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apt install -y git nginx python3-venv
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}
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owl_clone_repo() {
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echo -e "${G}Cloning owl from repo...${N}"
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git clone https://github.com/gechandesu/owl.git
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}
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owl_install_venv() {
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echo -e "${G}Setting up Python virtual environment...${N}"
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python3 -m venv $PWD/env
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source $PWD/env/bin/activate
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pip install -U pip
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pip install -r $PWD/owl/requirements.txt
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pip install gunicorn
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deactivate
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}
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owl_create_service() {
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echo -e "${G}Creating systemd service: $OWL_SERVICE...${N}"
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if [[ ! -f "$OWL_SERVICE" ]]; then
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cat > "$OWL_SERVICE" <<EOF
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[Unit]
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Description=gunicorn instance to serve owl knowledge base
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Requires=$(basename $OWL_SOCKET)
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After=network.target
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[Service]
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Type=notify
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User=$OWL_USER
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Group=$OWL_USER
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# another option for an even more restricted service is
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# DynamicUser=yes
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# see http://0pointer.net/blog/dynamic-users-with-systemd.html
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Environment="PATH=$PWD/env/bin"
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WorkingDirectory=$PWD/owl
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ExecStart=$PWD/env/bin/gunicorn owl:app
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KillMode=mixed
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TimeoutStopSec=5
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PrivateTmp=true
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[Install]
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WantedBy=multi-user.target
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EOF
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fi
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}
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owl_create_socket() {
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echo -e "${G}Creating systemd socket: $OWL_SOCKET...${N}"
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if [[ ! -f "$OWL_SOCKET" ]]; then
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cat > "$OWL_SOCKET" <<EOF
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[Unit]
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Description=gunicorn socket for owl knowledge base
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[Socket]
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ListenStream=$OWL_SOCK
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# Our service won't need permissions for the socket, since it
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# inherits the file descriptor by socket activation
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# only the nginx daemon will need access to the socket
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User=www-data
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# Optionally restrict the socket permissions even more.
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# Mode=600
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[Install]
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WantedBy=sockets.target
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EOF
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fi
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}
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owl_enable_socket() {
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SCK=$(basename $OWL_SOCKET)
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systemctl enable --now $SCK && echo -e "${G}$SCK enabled.${N}"
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}
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owl_enable_service() {
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SRV=$(basename $OWL_SERVICE)
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systemctl start $SRV && echo -e "${G}$SRV started.${N}"
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systemctl enable $SRV && echo -e "${G}$SRV enabled.${N}"
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}
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owl_create_nginx_vh() {
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echo -e "${G}Creating nginx virtual host: $OWL_VHOST...${N}"
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cat > "$OWL_VHOST" <<EOF
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server {
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listen 80;
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#listen 443 ssl http2; # Uncomment if you have SSL certificate.
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root $PWD/owl;
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server_name $OWL_DOMAIN;
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# Let's Encrypt SSL certifcate. Uncomment if you have SSL certificate.
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#ssl_certificate /etc/letsencrypt/live/$OWL_DOMAIN/fullchain.pem;
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#ssl_certificate_key /etc/letsencrypt/live/$OWL_DOMAIN/privkey.pem;
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# Redirect to HTTPS. Uncomment if you have SSL certificate.
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#if ($scheme != "https") {
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# return 301 https://$host$request_uri;
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#}
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location / {
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# Proxy to gunicorn
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proxy_pass http://unix:$OWL_SOCK;
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}
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location ~* \.(css|js|jpg|jpeg|png|gif|woff|ttf)$ {
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expires 1M;
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add_header Cache-Control public;
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}
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}
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EOF
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}
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owl_enable_site() {
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echo -e "${G}Enabling site $OWL_VHOST...${N}"
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ln -s "$OWL_VHOST" /etc/nginx/sites-enabled
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nginx -t
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service nginx reload
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}
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owl_done() {
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echo -e "\e[32;1m@v@\nDone! ${N}"
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echo -e "${G}Let's check it out in browser:${N} http://$OWL_DOMAIN/"
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}
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PATTERN='Yes|yes|Y|y'
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echo -en "Install owl into current directory?: ${Y}$PWD${N} [y/N]: "
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while read; do
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if [[ "$REPLY" =~ $PATTERN ]]; then
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owl_get_domain
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owl_install_requirements
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owl_clone_repo
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owl_install_venv
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owl_create_socket
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owl_create_service
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owl_enable_socket
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owl_enable_service
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owl_create_nginx_vh
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owl_enable_site
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systemctl status "$(basename "$OWL_SERVICE")"
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owl_done
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break
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else
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owl_abort
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fi
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done
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