suhussai

Instructions

wget https://github.com/derailed/k9s/releases/download/v0.28.2/k9s_Linux_amd64.tar.gz
tar -xvzf k9s_Linux_amd64.tar.gz 
./k9s

suhussai

JWT Decoding with Bash

Json Web Tokens (JWTs) are base64 encoded strings. This is an example of JWT pulled from jwt.io

eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJzdWIiOiIxMjM0NTY3ODkwIiwibmFtZSI6IkpvaG4gRG9lIiwiaWF0IjoxNTE2MjM5MDIyfQ.SflKxwRJSMeKKF2QT4fwpMeJf36POk6yJV_adQssw5c

It consists of three parts separated by a period ("."):

suhussai

ROLE_ARN="arn:aws:iam::123456789123:role/my-role"
GROUP="system:masters"

# 1. read ".data.mapRoles" from aws-auth
# 2. convert it to json
# 3. add the role as a value to the json array
# 4. convert the json back to a string
MAP_ROLES=$(kubectl get configmap aws-auth -n kube-system -o json \
  | jq --arg role "$ROLE_ARN" --arg group "$GROUP" -r '.data.mapRoles | fromjson | . += [{"rolearn": $role,"groups": [$group]} ] | tojson')

suhussai

#!/bin/bash

echo "$(date) cleaning up log groups..."
next_token=""
while true; do
    if [[ "${next_token}" == "" ]]; then
        response=$(aws logs describe-log-groups)
    else
        response=$(aws logs describe-log-groups --starting-token "$next_token")
    fi

suhussai

#!/bin/bash

next_token=""
RETENTION_POLICY_IN_DAYS=30

echo "$(date) Starting..."
while true; do
    if [[ "${next_token}" == "" ]]; then
        echo "$(date) making api call to search for log groups.."
        response=$(aws logs describe-log-groups --max-items 50)

suhussai

import boto3, yaml, json

# file must in the same dir as script
template_file_location = 'example_cloud_formation.yml'
stack_name = 'test_cloud_formation'

# read entire file as yaml
with open(template_file_location, 'r') as content_file:
    content = yaml.load(content_file)

suhussai

#!/bin/bash

# Usage
# bash cert_creator.sh *.example.com
#

DOMAIN_NAME=$1

echo "Starting script..."
echo "creating cert for $DOMAIN_NAME. Press enter to continue..."

suhussai

#!/usr/bin/env ruby
require 'syslog'
require 'net/http'
require 'aws-sdk'

Syslog.open

AWS.config({
:access_key_id => '<iam user key>',
:secret_access_key => '<iam user secret>'