pause_pihole.sh

#!/bin/bash

# Default values
DEFAULT_DURATION=300  # 5 minutes in seconds
DEFAULT_PIHOLE_IP="localhost"

# Help function
show_help() {
    echo "Usage: $0 [-d duration] [-i ip_address] [-t token]"
    echo "  -d: Duration in seconds to disable Pi-hole (default: 300 seconds)"
    echo "  -i: IP address of Pi-hole server (default: localhost)"
    echo "  -t: API token (required)"
    echo "  -h: Show this help message"
    exit 1
}

# Parse command line arguments
while getopts "d:i:t:h" opt; do
    case $opt in
        d) DURATION="$OPTARG";;
        i) PIHOLE_IP="$OPTARG";;
        t) API_TOKEN="$OPTARG";;
        h) show_help;;
        ?) show_help;;
    esac
done

# Validate required parameters
if [ -z "$API_TOKEN" ]; then
    echo "Error: API token is required"
    show_help
fi

# Set defaults if not provided
DURATION=${DURATION:-$DEFAULT_DURATION}
PIHOLE_IP=${PIHOLE_IP:-$DEFAULT_PIHOLE_IP}

# Validate duration is a positive number
if ! [[ "$DURATION" =~ ^[0-9]+$ ]]; then
    echo "Error: Duration must be a positive number"
    exit 1
fi

# Make API call to disable Pi-hole
response=$(curl -s "http://${PIHOLE_IP}/admin/api.php?disable=${DURATION}&auth=${API_TOKEN}")

# Check if the response contains "disabled"
if [[ $response == *"disabled"* ]]; then
    echo "Pi-hole has been disabled for ${DURATION} seconds"
    echo "It will automatically re-enable after this duration"

    # Calculate when it will re-enable
    if command -v date &> /dev/null; then
        enable_time=$(date -d "+${DURATION} seconds" "+%H:%M:%S")
        echo "Pi-hole will re-enable at: $enable_time"
    fi
else
    echo "Error: Failed to disable Pi-hole. Response: $response"
    exit 1
fi