# IPMI Controller - Setup Guide

## Prerequisites

- Dell server with IPMI (iDRAC) enabled
- Linux host (Ubuntu/Debian recommended)
- Python 3.10+
- ipmitool

## Installation

### 1. Install IPMI Controller

On your management server (where you run the controller):

```bash
git clone https://github.com/yourusername/ipmi-controller.git
cd ipmi-controller
pip install -r requirements.txt
```

### 2. Install ipmitool

```bash
sudo apt-get update
sudo apt-get install -y ipmitool
```

### 3. Run the Controller

```bash
python3 web_server.py
```

Open `http://your-server:8000` in browser.

## Initial Setup

1. **Complete the Setup Wizard:**
   - Create admin account
   - Enter IPMI credentials
   - IP: Your Dell server's IPMI IP
   - Username: Usually "root"
   - Password: Your IPMI password
   - Port: 623 (default)

2. **Login** with your new admin credentials

## lm-sensors HTTP Server (Optional but Recommended)

For better temperature monitoring (including PCIe cards), set up lm-sensors on your Dell server:

### Option A: Automated Setup

On your **Dell/Proxmox server** (not the controller):

```bash
# Download and run setup script
curl -O https://raw.githubusercontent.com/yourusername/ipmi-controller/main/setup-sensors-server.sh
chmod +x setup-sensors-server.sh
sudo ./setup-sensors-server.sh
```

### Option B: Manual Setup

1. **Install lm-sensors:**
```bash
sudo apt-get install -y lm-sensors netcat-openbsd
```

2. **Detect sensors:**
```bash
sudo sensors-detect --auto
```

3. **Test sensors:**
```bash
sensors
```

4. **Create HTTP server script** (`/usr/local/bin/sensors-http-server.sh`):
```bash
#!/bin/bash
PORT=${1:-8888}
while true; do
    {
        echo -e "HTTP/1.1 200 OK\r"
        echo -e "Content-Type: text/plain\r"
        echo -e "Access-Control-Allow-Origin: *\r"
        echo -e "\r"
        sensors -u 2>/dev/null || echo "Error"
    } | nc -l -p "$PORT" -q 1
done
```

5. **Make executable:**
```bash
chmod +x /usr/local/bin/sensors-http-server.sh
```

6. **Create systemd service** (`/etc/systemd/system/sensors-http.service`):
```ini
[Unit]
Description=lm-sensors HTTP Server
After=network.target

[Service]
Type=simple
ExecStart=/usr/local/bin/sensors-http-server.sh 8888
Restart=always
User=root

[Install]
WantedBy=multi-user.target
```

7. **Enable and start:**
```bash
sudo systemctl daemon-reload
sudo systemctl enable sensors-http
sudo systemctl start sensors-http
```

8. **Test:**
```bash
curl http://$(hostname -I | awk '{print $1}'):8888
```

### Configure IPMI Controller

1. Go to **Settings** → **HTTP** tab
2. Enable "HTTP Sensor"
3. Enter URL: `http://your-dell-server-ip:8888`
4. Save

## Docker Deployment

```bash
docker build -t ipmi-controller .
docker run -d \
  -p 8000:8000 \
  -v $(pwd)/data:/app/data \
  --name ipmi-controller \
  ipmi-controller
```

## Troubleshooting

### IPMI Connection Failed
- Verify IPMI IP is correct
- Check IPMI username/password
- Ensure IPMI is enabled in BIOS/iDRAC
- Test manually: `ipmitool -I lanplus -H <ip> -U <user> -P <pass> mc info`

### No Temperature Data
- Check if lm-sensors is installed on Dell server
- Run `sensors` to verify it works
- Check HTTP endpoint: `curl http://dell-ip:8888`

### Service Won't Start
```bash
# Check logs
sudo journalctl -u sensors-http -f

# Check if port is in use
sudo netstat -tlnp | grep 8888
```

## Security Notes

- Change default password after first login
- Use HTTPS/reverse proxy for production
- Firewall port 8000 to internal network only
- HTTP sensor endpoint is read-only

## Updating

```bash
cd ipmi-controller
git pull
pip install -r requirements.txt
# Restart the service
```