gogeizhalsbot

README

GoGeizhalsBot

This repository holds a rewrite of my Python-GeizhalsBot Telegram bot in the Go programming language. GoGeizhalsbot is a Telegram bot that notifies you via chat messages about changes of the price of a geizhals.de product or wishlist.

Configuration

The software searches for a config.yml file in the current working directory. Check config.sample.yml for an example. This section gives a quick overview of the possible configuration items.

Config root

On the root level of the config file you can set the bot token.

Field	Type	Function
bot_token	string	The bot token to run the bot on
update_interval_minutes	int	Interval for fetching price updates in the background

Webhook config

Long polling isn't all too bad, but using webhooks cuts out the need of constantly contacting the Telegram server for new updates. The webhook key of the config allows you to set up a webhook for the bot.

Field	Type	Function
enabled	bool	Specifies if the bot should use webhooks
listen_ip	string	The IP for the webhook to listen on
listen_port	int	The port for the webhook to listen on
listen_path	string	The path to listen on (e.g. "/" or "/bot")
url	string	The publicly reachable url which Telegram calls (passed in SetWebhook)
cert_path	string	Path to a certificate file to use
cert_key_path	string	Path to the certificate key file

Proxy config

Contacting the geizhals.de website regularly will get your IP address banned in no time. Therefore, it is recommended to use proxy servers to circumvent this. Use the proxy key to configure your proxy servers.

Field	Type	Function
enabled	bool	Specifies if the bot should use proxies for the connection to Geizhals
proxy_list_path	string	Path to a file that contains a newline separated list of proxy addresses

Prometheus config

Monitoring your services is always a good idea. Prometheus is a time series database that allows you to collect metrics over time and render them in cool graphs e.g. with tools like Grafana. This configuration can be found on the prometheus key.

Field	Type	Function
enabled	bool	Specifies if the prometheus interface is active
export_ip	string	The IP adress to run the export http server on
export_port	int	The port number to run the export http server on