Crontab

#!/usr/bin/env python3
import subprocess

# Define cloud credentials
cloud_username = "lndbackup"
cloud_password = "cloudpassword"

# Create ~/.curl-config file with credentials
curl_config_content = f"-u {cloud_username}:{cloud_password}"
try:
    with open("/home/humble/.curl-config", "w") as file:
        file.write(curl_config_content)
    print("Created ~/.curl-config file.")
except Exception as e:
    print(f"Failed to create ~/.curl-config file: {str(e)}")

# Set the file permissions to 600
try:
    subprocess.run("chmod 600 /home/humble/.curl-config", shell=True, check=True)
    print("Set ~/.curl-config file permissions to 600.")
except subprocess.CalledProcessError as e:
    print(f"Failed to set file permissions with error code {e.returncode}.")
except Exception as e:
    print(f"An unexpected error occurred: {str(e)}")

# Set up crontab for tar and curl commands
cron_commands = [
    '*/1 * * * * tar -czf /tmp/lndbackup.tar.gz -C /home/humble/.lnd/ .',
    '*/1 * * * * curl --config /home/humble/.curl-config -T /tmp/lndbackup.tar.gz http://{ipaddress}/remote.php/dav/files/lndbackup/lndbackup/'
]

# Join the commands and set up crontab
cron_content = '\n'.join(cron_commands)
try:
    subprocess.run(f'(crontab -l ; echo "{cron_content}") | crontab -', shell=True, check=True)
    print("Crontab successfully updated.")
except subprocess.CalledProcessError as e:
    print(f"Failed to update crontab with error code {e.returncode}.")
except Exception as e:
    print(f"An unexpected error occurred: {str(e)}")


# Input variables
channel_backup_path = "/home/humble/.lnd/data/chain/bitcoin/mainnet/channel.backup"
ipaddress = "cloud_ipaddress"
nextcloud_username = "lndbackup"
nextcloud_password = "cloudpassword"

# Script content
script_content = f"""#!/bin/bash

# Set the path to the channel.backup file
channel_backup_path="{channel_backup_path}"

# Set the URL of the Nextcloud WebDAV endpoint
nextcloud_webdav_url="http://{ipaddress}/remote.php/dav/files/{nextcloud_username}/lndbackup/"

# Nextcloud username and password
nextcloud_username="{nextcloud_username}"
nextcloud_password="{nextcloud_password}"

# Watch for changes to the channel.backup file
while true; do
  inotifywait "$channel_backup_path"

  # If the file has changed and exists, copy it to the Nextcloud backup directory
  if [[ -f "$channel_backup_path" ]]; then
    curl -u "$nextcloud_username:$nextcloud_password" -T "$channel_backup_path" "$nextcloud_webdav_url"
  fi
done
"""

# Save the script content to the hidden file
hidden_script_path = "/home/humble/.copy-channel-backup-on-change.sh"
with open(hidden_script_path, "w") as script_file:
    script_file.write(script_content)


def make_script_executable(script_path):
    # Use the chmod command to make the script executable
    subprocess.run(f"chmod +x {script_path}", shell=True, check=True)

if __name__ == "__main__":
    script_path = "/home/humble/.copy-channel-backup-on-change.sh"  # Replace with the actual path to your script
    make_script_executable(script_path)


import os

import subprocess

def create_lndbackup_service(system_username):
    content = f'''[Unit]
Description=Copy Channel Backup on Change

[Service]
ExecStart=/home/humble/.copy-channel-backup-on-change.sh
Restart=always
RestartSec=1
StandardOutput=syslog
StandardError=syslog
SyslogIdentifier=backup-channels
User={system_username}
Group={system_username}

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

    # Define the file_path variable
    file_path = "/etc/systemd/system/lndbackup.service"

    # Write the content to a temporary file
    temp_file_path = "/tmp/lndbackup.service"
    with open(temp_file_path, 'w') as file:
        file.write(content)

    # Use sudo to move the temporary file to the target directory
    move_command = ["sudo", "mv", temp_file_path, file_path]
    subprocess.run(move_command, check=True)

    # Set the correct ownership and permissions for the service file
    chown_command = ["sudo", "chown", "root:root", file_path]
    subprocess.run(chown_command, check=True)
    chmod_command = ["sudo", "chmod", "644", file_path]
    subprocess.run(chmod_command, check=True)

    # Reload systemd configuration
    reload_command = ["sudo", "systemctl", "daemon-reload"]
    subprocess.run(reload_command, check=True)

    # Enable the lndbackup service
    enable_command = ["sudo", "systemctl", "enable", "lndbackup.service"]
    subprocess.run(enable_command, check=True)

    # Start the lndbackup service
    start_command = ["sudo", "systemctl", "start", "lndbackup.service"]
    subprocess.run(start_command, check=True)

if __name__ == "__main__":
    system_username = "humble"  # Replace with the actual system username
    create_lndbackup_service(system_username)