kevin-smets

Default

Powerlevel10k

vgeshel

console.log('Loading function');

const https = require('https');
const url = require('url');
// to get the slack hook url, go into slack admin and create a new "Incoming Webhook" integration
const slack_url = 'https://hooks.slack.com/services/...';
const slack_req_opts = url.parse(slack_url);
slack_req_opts.method = 'POST';
slack_req_opts.headers = {'Content-Type': 'application/json'};

mambroziak

#!/bin/bash
# JQ is required to more easily parse json.
AWS_IAM_ROLE=`curl -sL http://169.254.169.254/latest/meta-data/iam/security-credentials/`
AWS_ACCESS_KEY_ID=`curl -sL http://169.254.169.254/latest/meta-data/iam/security-credentials/$AWS_IAM_ROLE/ | jq -r '.AccessKeyId'`
AWS_SECRET_ACCESS_KEY=`curl -sL http://169.254.169.254/latest/meta-data/iam/security-credentials/$AWS_IAM_ROLE/ | jq -r '.SecretAccessKey'`
AWS_TOKEN=`curl -sL http://169.254.169.254/latest/meta-data/iam/security-credentials/$AWS_IAM_ROLE/ | jq -r '.Token'`
AWS_AZ=`curl -s http://169.254.169.254/latest/meta-data/placement/availability-zone`
AWS_DEFAULT_REGION="`echo \"$AWS_AZ\" | sed -e 's:\([0-9][0-9]*\)[a-z]*\$:\\1:'`"
LOCAL_IP=`curl -sL http://169.254.169.254/latest/meta-data/local-ipv4`
PUBLIC_IP=`curl -sL http://169.254.169.254/latest/meta-data/public-ipv4`

rvl

Pushing to Multiple Git Repos

If a project has to have multiple git repos (e.g. Bitbucket and Github) then it's better that they remain in sync.

Usually this would involve pushing each branch to each repo in turn, but actually Git allows pushing to multiple repos in one go.

If in doubt about what git is doing when you run these commands, just

BretFisher

Docker Swarm Mode Ports

Starting with 1.12 in July 2016, Docker Swarm Mode is a built-in solution with built-in key/value store. Easier to get started, and fewer ports to configure.

Inbound Traffic for Swarm Management

• TCP port 2377 for cluster management & raft sync communications
• TCP and UDP port 7946 for "control plane" gossip discovery communication between all nodes
• UDP port 4789 for "data plane" VXLAN overlay network traffic
• IP Protocol 50 (ESP) if you plan on using overlay network with the encryption option

AWS Security Group Example

jamtur01

#!/usr/bin/env bash
set -e

# Formats any *.tf files according to the hashicorp convention
files=$(git diff --cached --name-only)
for f in $files
do
  if [ -e "$f" ] && [[ $f == *.tf ]]; then
    #terraform validate `dirname $f`
    terraform fmt $f

jpbarto

#!/usr/bin/env python3
"""
The following script demonstrates how to use the AWS Boto3 SDK to iterate through 
all of the users in an AWS Cognito User Pool and examine the events associated
with each user.  

If any failed authentication events are found the script formats them as messages
and logs them to CloudWatch logs.

This script could easily be modified to run periodically as a Lambda function 

Yloganathan

#!/bin/bash

# This uses MFA devices to get temporary (eg 12 hour) credentials.  Requires
# a TTY for user input.
#
# GPL 2 or higher

if [ ! -t 0 ]
then
  echo Must be on a tty >&2