matiasba

Argentina

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matiasba / cloudflare-ddns.sh

Created June 8, 2022 19:00

Bash script for DDNS using cloudflare DNS service, with options for enabling https proxy

	#!/bin/bash

	# A bash script to update a Cloudflare DNS A record with the external IP of the source machine
	# Used to provide DDNS service from anywhere
	# DNS redord needs to be pre-created on Cloudflare

	# Proxy - uncomment and provide details if using a proxy
	#export https_proxy=http://<proxyuser>:<proxypassword>@<proxyip>:<proxyport>

	# Cloudflare zone is the zone which holds the record

matiasba / zabbix_aws_asg_deregister.py

Last active December 6, 2022 15:42

This lambda function allows to deregister a host based on a "EC2 Instance Terminate Successful" event on AWS. It requires an EventBridge with the following configuration as trigger Event pattern: { "source": [ "aws.autoscaling" ], "detail-type": [ "EC2 Instance Terminate Successful" ] }

	import json
	import urllib3
	from datetime import date

	def lambda_handler(event, context):
	today = date.today().strftime("%Y-%m-%d")
	# Parse the EC2 instance ID from the event data
	instance_id = event['detail']['EC2InstanceId']

	# create urllib3 pool to make HTTP requests