SSH AUTO LOGIN MULTI TERMINAL FOR MONITORING BULK SERVER

#!/bin/bash

# Multi-SSH Connection Script with Alacritty Support
# Usage: ./multi-ssh.sh [config_file]
# If no config file is provided, it will use servers.conf in the same directory
# CONFIG FILE FORMAT.
#  TITLE:USER@HOSTNAME:PORT:PASSWORD
# EXAMPLE : MyVps:[email protected]:22:passwd12

SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
CONFIG_FILE="${1:-$SCRIPT_DIR/servers.conf}"

# Check if config file exists
if [[ ! -f "$CONFIG_FILE" ]]; then
    echo "Error: Config file '$CONFIG_FILE' not found!"
    echo "Please create a config file with server details."
    echo "Example format:"
    echo "server1:user@hostname1"
    echo "server2:user@hostname2:port"
    echo "server3:user@hostname3"
    exit 1
fi

# Detect terminal emulator
detect_terminal() {
    if [[ -n "$GNOME_TERMINAL_SCREEN" ]] || command -v gnome-terminal >/dev/null 2>&1; then
        echo "gnome-terminal"
    elif command -v terminator >/dev/null 2>&1; then
        echo "terminator"
    elif command -v konsole >/dev/null 2>&1; then
        echo "konsole"
    elif command -v xfce4-terminal >/dev/null 2>&1; then
        echo "xfce4-terminal"
    elif command -v tilix >/dev/null 2>&1; then
        echo "tilix"
    elif command -v alacritty >/dev/null 2>&1; then
        echo "alacritty"
    else
        echo "unknown"
    fi
}

# Function to open SSH connection in new tab/window
open_ssh_connection() {
    local server_name="$1"
    local ssh_command="$2"
    local terminal="$3"

    case "$terminal" in
        "gnome-terminal")
            gnome-terminal --tab --title="$server_name" -- bash -c "$ssh_command; exec bash"
            ;;
        "terminator")
            terminator --new-tab --title="$server_name" -e "bash -c '$ssh_command; exec bash'"
            ;;
        "konsole")
            konsole --new-tab --title "$server_name" -e bash -c "$ssh_command; exec bash"
            ;;
        "xfce4-terminal")
            xfce4-terminal --tab --title="$server_name" -e "bash -c '$ssh_command; exec bash'"
            ;;
        "tilix")
            tilix --new-session --title="$server_name" -e "bash -c '$ssh_command; exec bash'"
            ;;
        "alacritty")
            alacritty -t "$server_name" -e bash -c "$ssh_command; exec bash" &
            ;;
        *)
            echo "Opening $server_name in new terminal window..."
            x-terminal-emulator -e bash -c "$ssh_command; exec bash" &
            ;;
    esac
}

# Main execution
main() {
    local terminal=$(detect_terminal)
    echo "Detected terminal: $terminal"
    echo "Reading servers from: $CONFIG_FILE"
    echo "Opening SSH connections..."

    if [[ "$terminal" == "unknown" ]]; then
        echo "Error: No supported terminal emulator found!"
        exit 1
    fi

    while IFS=':' read -r server_name ssh_target port password || [[ -n "$server_name" ]]; do
        # Skip empty lines and comments
        [[ -z "$server_name" || "$server_name" =~ ^[[:space:]]*# ]] && continue

        # Default port
        [[ -z "$port" ]] && port=22

        # Build SSH command with sshpass
        ssh_cmd="sshpass -p '$password' ssh -t -o StrictHostKeyChecking=no -p $port $ssh_target 'export TERM=xterm; htop; exec bash'"

        echo "Connecting to $server_name ($ssh_target)..."
        open_ssh_connection "$server_name" "$ssh_cmd" "$terminal"

        sleep 0.5
    done < "$CONFIG_FILE"

    echo "All SSH connections initiated!"
}

# Run the script
main