Alfredo Cambera alfredocambera

DevOps Engineer

alfredocambera / requirements.py

Created March 8, 2019 00:00

generates a list of installed packages using the same format as the output generated by "pip3 freeze"

	#!/usr/bin/env python3

	import pkg_resources

	dists = [str(d).replace(" ","==") for d in pkg_resources.working_set]
	for i in dists:
	print(i)

alfredocambera / ec2_credentials.sh

Last active May 10, 2021 23:01

How to get instance role creddentials using assigned EC2's IAM role using IMDSv2

	#!/usr/bin/env bash

	TOKEN_TTL=900 # 15 minutes
	ROLE="$(curl -s http://169.254.169.254/latest/meta-data/iam/security-credentials/)"
	TOKEN="$(curl -s -X PUT "http://169.254.169.254/latest/api/token" -H "X-aws-ec2-metadata-token-ttl-seconds: ${TOKEN_TTL}")"
	CREDS="$(curl -s -H "X-aws-ec2-metadata-token: ${TOKEN}" "http://169.254.169.254/latest/meta-data/iam/security-credentials/${ROLE}")"
	REGION=$(curl -s http://169.254.169.254/latest/dynamic/instance-identity/document \| jq -r .region)

	AWS_ACCESS_KEY_ID="$(echo "${CREDS}" \| jq -r .AccessKeyId)"
	AWS_SECRET_ACCESS_KEY="$(echo "${CREDS}" \| jq -r .SecretAccessKey)"

alfredocambera / certbot-cloudflare.md

Last active March 19, 2022 07:20

Certbot commands to work with Cloudflare's plugin

Certbot and CloudFlare

Example usage of Certbot's CloudFlare plugin:

$ sudo certbot certonly \
  --non-interactive \
 --agree-tos \

alfredocambera / cloudflare-list-zones-and-records.py

Last active April 3, 2024 10:02

Lists cloudflare zones an DNS records

	#!/usr/bin/env python

	# prints all the records in all the zones in colums separated by ','.
	# It uses raw mode to handle pagination to iterate over zones and records

	import CloudFlare

	separator=","
	cf = CloudFlare.CloudFlare(token='REPLACE_WITH_YOUR_OWN_CF_TOKEN', raw=True)
	per_page = 10