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Autoparts-DB/install.sh
consultoria-as bdbbc78a15 feat: script de instalacion automatizado para Debian/Ubuntu/RPi 
Adds install.sh and uninstall.sh for one-command deployment of Nexus POS
on Debian 12+, Ubuntu 22.04+, and Raspberry Pi OS. The installer handles
PostgreSQL setup, tenant provisioning, systemd service, and nginx reverse
proxy with interactive business configuration.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
2026-04-02 07:15:06 +00:00

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#!/bin/bash
# ============================================================
# Nexus Autoparts POS — Automated Installer
# Works on: Debian 12+, Ubuntu 22.04+, Raspberry Pi OS (64-bit)
# Usage: curl -s https://raw.githubusercontent.com/.../install.sh | bash
# ============================================================
set -euo pipefail
# ----- Colors & helpers -----
RED='\033[0;31m'
GREEN='\033[0;32m'
YELLOW='\033[1;33m'
CYAN='\033[0;36m'
BOLD='\033[1m'
NC='\033[0m'
INSTALL_DIR="/opt/nexus-pos"
SERVICE_NAME="nexus-pos"
DB_USER="nexus"
DB_PASS="nexus_autoparts_2026"
DB_NAME="nexus_autoparts"
POS_PORT=5001
LOG_FILE="/var/log/nexus-pos-install.log"
info() { echo -e "${CYAN}[INFO]${NC} $*"; }
ok() { echo -e "${GREEN}[OK]${NC} $*"; }
warn() { echo -e "${YELLOW}[WARN]${NC} $*"; }
err() { echo -e "${RED}[ERROR]${NC} $*"; }
fatal() { err "$*"; exit 1; }
banner() {
echo ""
echo -e "${BOLD}${CYAN}"
echo " ========================================"
echo " Nexus Autoparts POS — Installer v1.0"
echo " ========================================"
echo -e "${NC}"
}
log() { echo "[$(date '+%Y-%m-%d %H:%M:%S')] $*" >> "$LOG_FILE"; }
cleanup_on_error() {
err "Installation failed. Check $LOG_FILE for details."
exit 1
}
trap cleanup_on_error ERR
# ============================================================
# 1. CHECK PREREQUISITES
# ============================================================
check_prerequisites() {
info "Checking prerequisites..."
# Must be Linux
if [[ "$(uname -s)" != "Linux" ]]; then
fatal "This installer only supports Linux (Debian/Ubuntu/Raspberry Pi OS)."
fi
# Must be root
if [[ $EUID -ne 0 ]]; then
fatal "This script must be run as root. Use: sudo bash install.sh"
fi
# Check distro
if [[ -f /etc/os-release ]]; then
. /etc/os-release
info "Detected OS: ${PRETTY_NAME:-$ID}"
log "OS: ${PRETTY_NAME:-$ID}"
else
warn "Could not detect OS version. Proceeding anyway."
fi
# Detect Raspberry Pi
IS_RPI=false
if grep -qi "raspberry" /proc/cpuinfo 2>/dev/null || grep -qi "raspberry" /sys/firmware/devicetree/base/model 2>/dev/null; then
IS_RPI=true
info "Raspberry Pi detected."
log "Raspberry Pi detected"
fi
# Check architecture
ARCH=$(uname -m)
info "Architecture: $ARCH"
if [[ "$ARCH" != "x86_64" && "$ARCH" != "aarch64" && "$ARCH" != "armv7l" ]]; then
warn "Untested architecture: $ARCH. Proceeding with caution."
fi
# Check internet
if ! ping -c 1 -W 3 8.8.8.8 &>/dev/null; then
fatal "No internet connection detected. Please connect and retry."
fi
ok "Prerequisites check passed."
}
# ============================================================
# 2. INSTALL SYSTEM PACKAGES
# ============================================================
install_packages() {
info "Updating package lists..."
apt-get update -qq >> "$LOG_FILE" 2>&1
PACKAGES=(
python3
python3-pip
python3-venv
postgresql
postgresql-client
git
nginx
libpq-dev
gcc
python3-dev
curl
)
# On Raspberry Pi, add some extras for lxml
if [[ "$IS_RPI" == true ]]; then
PACKAGES+=(libxml2-dev libxslt1-dev zlib1g-dev)
fi
info "Installing system packages: ${PACKAGES[*]}"
DEBIAN_FRONTEND=noninteractive apt-get install -y -qq "${PACKAGES[@]}" >> "$LOG_FILE" 2>&1
ok "System packages installed."
}
# ============================================================
# 3. CONFIGURE POSTGRESQL
# ============================================================
configure_postgresql() {
info "Configuring PostgreSQL..."
# Ensure PostgreSQL is running
systemctl enable postgresql >> "$LOG_FILE" 2>&1
systemctl start postgresql >> "$LOG_FILE" 2>&1
# Create user if not exists
if sudo -u postgres psql -tAc "SELECT 1 FROM pg_roles WHERE rolname='${DB_USER}'" | grep -q 1; then
info "PostgreSQL user '${DB_USER}' already exists."
else
sudo -u postgres psql -c "CREATE USER ${DB_USER} WITH PASSWORD '${DB_PASS}' CREATEDB;" >> "$LOG_FILE" 2>&1
ok "PostgreSQL user '${DB_USER}' created."
fi
# Create master database if not exists
if sudo -u postgres psql -tAc "SELECT 1 FROM pg_database WHERE datname='${DB_NAME}'" | grep -q 1; then
info "Database '${DB_NAME}' already exists."
else
sudo -u postgres psql -c "CREATE DATABASE ${DB_NAME} OWNER ${DB_USER};" >> "$LOG_FILE" 2>&1
ok "Database '${DB_NAME}' created."
fi
# Grant CREATEDB to user (idempotent)
sudo -u postgres psql -c "ALTER USER ${DB_USER} CREATEDB;" >> "$LOG_FILE" 2>&1
# Ensure pg_hba.conf allows md5 auth for local connections
PG_HBA=$(sudo -u postgres psql -tAc "SHOW hba_file" 2>/dev/null | head -1)
if [[ -n "$PG_HBA" ]] && ! grep -q "nexus" "$PG_HBA" 2>/dev/null; then
# Add md5 auth line for nexus user before the first local line
sed -i "/^# TYPE/a local all ${DB_USER} md5" "$PG_HBA" 2>/dev/null || true
systemctl reload postgresql >> "$LOG_FILE" 2>&1
fi
ok "PostgreSQL configured."
}
# ============================================================
# 4. CLONE REPOSITORY
# ============================================================
clone_repo() {
info "Setting up application in ${INSTALL_DIR}..."
if [[ -d "${INSTALL_DIR}" ]]; then
warn "${INSTALL_DIR} already exists."
echo -en "${YELLOW} Overwrite? [y/N]: ${NC}"
read -r overwrite
if [[ "${overwrite,,}" == "y" ]]; then
rm -rf "${INSTALL_DIR}"
else
info "Keeping existing installation. Will update in place."
fi
fi
if [[ ! -d "${INSTALL_DIR}" ]]; then
# If running from the repo itself, copy it
SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
if [[ -f "${SCRIPT_DIR}/pos/app.py" ]]; then
info "Copying from local source: ${SCRIPT_DIR}"
cp -a "${SCRIPT_DIR}" "${INSTALL_DIR}"
else
info "Cloning from GitHub..."
git clone https://github.com/consultoria-as/nexus-autoparts.git "${INSTALL_DIR}" >> "$LOG_FILE" 2>&1
fi
fi
ok "Application files ready at ${INSTALL_DIR}."
}
# ============================================================
# 5. INSTALL PYTHON DEPENDENCIES
# ============================================================
install_python_deps() {
info "Creating Python virtual environment..."
python3 -m venv "${INSTALL_DIR}/venv" >> "$LOG_FILE" 2>&1
info "Installing Python dependencies..."
"${INSTALL_DIR}/venv/bin/pip" install --upgrade pip >> "$LOG_FILE" 2>&1
"${INSTALL_DIR}/venv/bin/pip" install -r "${INSTALL_DIR}/pos/requirements.txt" >> "$LOG_FILE" 2>&1
"${INSTALL_DIR}/venv/bin/pip" install gunicorn >> "$LOG_FILE" 2>&1
ok "Python dependencies installed."
}
# ============================================================
# 6. INTERACTIVE SETUP
# ============================================================
interactive_setup() {
echo ""
echo -e "${BOLD}${CYAN}--- Business Setup ---${NC}"
echo ""
# Business name
echo -en "${BOLD} Business name${NC} (e.g., Refaccionaria Lopez): "
read -r BUSINESS_NAME
if [[ -z "$BUSINESS_NAME" ]]; then
BUSINESS_NAME="Mi Refaccionaria"
warn "Using default: ${BUSINESS_NAME}"
fi
# RFC
echo -en "${BOLD} RFC${NC} (optional, press Enter to skip): "
read -r BUSINESS_RFC
if [[ -z "$BUSINESS_RFC" ]]; then
BUSINESS_RFC=""
info "RFC skipped."
fi
# Owner name
echo -en "${BOLD} Owner name${NC}: "
read -r OWNER_NAME
if [[ -z "$OWNER_NAME" ]]; then
OWNER_NAME="Administrador"
warn "Using default: ${OWNER_NAME}"
fi
# Owner PIN
while true; do
echo -en "${BOLD} Owner PIN${NC} (4 digits): "
read -rs OWNER_PIN
echo ""
if [[ "$OWNER_PIN" =~ ^[0-9]{4}$ ]]; then
break
else
warn "PIN must be exactly 4 digits. Try again."
fi
done
# Domain/IP
DEFAULT_IP=$(hostname -I 2>/dev/null | awk '{print $1}')
echo -en "${BOLD} Domain or IP${NC} for access [${DEFAULT_IP:-localhost}]: "
read -r ACCESS_HOST
if [[ -z "$ACCESS_HOST" ]]; then
ACCESS_HOST="${DEFAULT_IP:-localhost}"
fi
echo ""
echo -e "${BOLD} Summary:${NC}"
echo " Business: ${BUSINESS_NAME}"
echo " RFC: ${BUSINESS_RFC:-N/A}"
echo " Owner: ${OWNER_NAME}"
echo " PIN: ****"
echo " Access: http://${ACCESS_HOST}"
echo ""
echo -en "${BOLD} Proceed? [Y/n]: ${NC}"
read -r confirm
if [[ "${confirm,,}" == "n" ]]; then
fatal "Installation cancelled by user."
fi
}
# ============================================================
# 7. PROVISION TENANT
# ============================================================
provision_tenant() {
info "Provisioning tenant database..."
cd "${INSTALL_DIR}/pos"
# Build a small Python script to avoid quoting issues in bash
cat > /tmp/_nexus_provision.py << PYEOF
import sys, os
sys.path.insert(0, '${INSTALL_DIR}/pos')
os.chdir('${INSTALL_DIR}/pos')
from services.tenant_manager import provision_tenant
rfc_val = os.environ.get('NX_RFC') or None
result = provision_tenant(
name=os.environ['NX_BUSINESS'],
rfc=rfc_val,
owner_name=os.environ['NX_OWNER'],
owner_pin=os.environ['NX_PIN']
)
print(f"Tenant created: id={result['tenant_id']}, db={result['db_name']}")
PYEOF
NX_BUSINESS="$BUSINESS_NAME" \
NX_RFC="$BUSINESS_RFC" \
NX_OWNER="$OWNER_NAME" \
NX_PIN="$OWNER_PIN" \
"${INSTALL_DIR}/venv/bin/python3" /tmp/_nexus_provision.py >> "$LOG_FILE" 2>&1
rm -f /tmp/_nexus_provision.py
ok "Tenant '${BUSINESS_NAME}' provisioned."
}
# ============================================================
# 8. APPLY MIGRATIONS (v1.1)
# ============================================================
apply_migrations() {
info "Applying database migrations..."
cd "${INSTALL_DIR}/pos"
"${INSTALL_DIR}/venv/bin/python3" -c "
import sys
sys.path.insert(0, '${INSTALL_DIR}/pos')
from migrations.runner import run_migrations
run_migrations()
" >> "$LOG_FILE" 2>&1
ok "Migrations applied."
}
# ============================================================
# 9. CREATE SYSTEMD SERVICE
# ============================================================
create_systemd_service() {
info "Creating systemd service..."
cat > /etc/systemd/system/${SERVICE_NAME}.service << SERVICEEOF
[Unit]
Description=Nexus Autoparts POS
After=network.target postgresql.service
Requires=postgresql.service
[Service]
Type=simple
User=www-data
Group=www-data
WorkingDirectory=${INSTALL_DIR}/pos
Environment=PATH=${INSTALL_DIR}/venv/bin:/usr/bin:/bin
Environment=MASTER_DB_URL=postgresql://${DB_USER}:${DB_PASS}@localhost/${DB_NAME}
Environment=TENANT_DB_URL_TEMPLATE=postgresql://${DB_USER}:${DB_PASS}@localhost/{db_name}
ExecStart=${INSTALL_DIR}/venv/bin/gunicorn --bind 127.0.0.1:${POS_PORT} --workers 3 --timeout 120 "app:create_app()"
Restart=always
RestartSec=5
StandardOutput=journal
StandardError=journal
[Install]
WantedBy=multi-user.target
SERVICEEOF
# Set ownership
chown -R www-data:www-data "${INSTALL_DIR}"
systemctl daemon-reload >> "$LOG_FILE" 2>&1
ok "Systemd service created: ${SERVICE_NAME}.service"
}
# ============================================================
# 10. CONFIGURE NGINX
# ============================================================
configure_nginx() {
info "Configuring nginx reverse proxy..."
# Remove default site
rm -f /etc/nginx/sites-enabled/default 2>/dev/null || true
cat > /etc/nginx/sites-available/nexus-pos << NGINXEOF
server {
listen 80;
server_name ${ACCESS_HOST};
client_max_body_size 20M;
# POS application
location /pos/ {
proxy_pass http://127.0.0.1:${POS_PORT}/pos/;
proxy_set_header Host \$host;
proxy_set_header X-Real-IP \$remote_addr;
proxy_set_header X-Forwarded-For \$proxy_add_x_forwarded_for;
proxy_set_header X-Forwarded-Proto \$scheme;
proxy_read_timeout 300s;
}
# API endpoints
location /api/ {
proxy_pass http://127.0.0.1:${POS_PORT}/api/;
proxy_set_header Host \$host;
proxy_set_header X-Real-IP \$remote_addr;
proxy_set_header X-Forwarded-For \$proxy_add_x_forwarded_for;
proxy_set_header X-Forwarded-Proto \$scheme;
}
# Redirect root to POS login
location = / {
return 302 /pos/login;
}
# Health check
location /health {
proxy_pass http://127.0.0.1:${POS_PORT}/pos/health;
}
}
NGINXEOF
ln -sf /etc/nginx/sites-available/nexus-pos /etc/nginx/sites-enabled/nexus-pos
# Test nginx config
if nginx -t >> "$LOG_FILE" 2>&1; then
ok "Nginx configuration valid."
else
err "Nginx configuration test failed. Check $LOG_FILE."
return 1
fi
}
# ============================================================
# 11. START SERVICES
# ============================================================
start_services() {
info "Starting services..."
systemctl enable nginx >> "$LOG_FILE" 2>&1
systemctl restart nginx >> "$LOG_FILE" 2>&1
ok "Nginx started."
systemctl enable "${SERVICE_NAME}" >> "$LOG_FILE" 2>&1
systemctl start "${SERVICE_NAME}" >> "$LOG_FILE" 2>&1
ok "Nexus POS service started."
# Wait a moment and verify
sleep 2
if systemctl is-active --quiet "${SERVICE_NAME}"; then
ok "Service is running."
else
warn "Service may not have started correctly. Check: journalctl -u ${SERVICE_NAME}"
fi
}
# ============================================================
# 12. PRINT SUCCESS
# ============================================================
print_success() {
echo ""
echo -e "${BOLD}${GREEN}"
echo " ========================================"
echo " Installation Complete!"
echo " ========================================"
echo -e "${NC}"
echo ""
echo -e " ${BOLD}Access URL:${NC} http://${ACCESS_HOST}/pos/login"
echo -e " ${BOLD}Business:${NC} ${BUSINESS_NAME}"
echo -e " ${BOLD}Owner:${NC} ${OWNER_NAME}"
echo -e " ${BOLD}PIN:${NC} **** (the 4-digit PIN you entered)"
echo ""
echo -e " ${BOLD}Service:${NC} systemctl status ${SERVICE_NAME}"
echo -e " ${BOLD}Logs:${NC} journalctl -u ${SERVICE_NAME} -f"
echo -e " ${BOLD}Install log:${NC} ${LOG_FILE}"
echo ""
echo -e " ${BOLD}Database:${NC}"
echo " Host: localhost"
echo " User: ${DB_USER}"
echo " Master DB: ${DB_NAME}"
echo ""
echo -e " ${BOLD}Files:${NC} ${INSTALL_DIR}/"
echo ""
echo -e " ${YELLOW}To uninstall:${NC} sudo bash ${INSTALL_DIR}/uninstall.sh"
echo ""
}
# ============================================================
# MAIN
# ============================================================
main() {
banner
# Init log
mkdir -p "$(dirname "$LOG_FILE")"
echo "=== Nexus POS Install started at $(date) ===" > "$LOG_FILE"
check_prerequisites
install_packages
configure_postgresql
clone_repo
install_python_deps
interactive_setup
provision_tenant
apply_migrations
create_systemd_service
configure_nginx
start_services
print_success
log "Installation completed successfully."
}
main "$@"
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