shoesCodeFor

Runbook Radness

What the French toast is a runbook? A good runbook is a comprehensive, clear, and actionable guide that enables IT and operations teams to manage and troubleshoot systems efficiently. It serves as a critical resource for both experienced professionals and those new to a system, ensuring consistent and effective handling of routine tasks, incidents, and procedures. Here are the key characteristics that make a runbook effective:

1. Actionable

A runbook must provide step-by-step instructions that are straightforward and easy to follow. Each step should build towards achieving a specific outcome, with unnecessary details omitted to keep the document concise and focused on the task at hand[1][6][8].

2. Accessible

The runbook should be easily accessible to all relevant team members. This includes being stored in a location that team members are aware of and can easily retrieve when needed. The runbook should support alerts and be searchable, with metadata such as type, creation

shoesCodeFor

#!/bin/bash

# Set the namespace variable
namespace="tools"

# Get the list of pods
pods=$(kubectl get pods -n "${namespace}" -o custom-columns=:metadata.name | grep "redis-cluster")

# Check if we got the pods
if [ -z "$pods" ]; then

shoesCodeFor

#!/bin/bash

# Define the network service. Replace "Wi-Fi" with your actual network service name, e.g., "Ethernet", if needed.
NETWORK_SERVICE="Wi-Fi"

# Safe DNS list
GOOGLE_DNS="8.8.8.8"
GOOGLE_DNS_ALT="8.8.4.4"
CLOUDFLARE_DNS="1.1.1.1"
CLOUDFLARE_DNS_ALT="1.0.0.1"

shoesCodeFor

function clean_up_docker {
  echo "Stopping all running containers"
  docker stop $(docker ps -aq)
  echo "Removing all containers"
  docker rm $(docker ps -aq)
  echo "Remove all images"
  docker rmi $(docker images -q)
  echo "Doesn't that feel better?!  Have a lovely day"
}

shoesCodeFor

require "selenium-webdriver"

# Not quite sure where Selenium think the Firefox binary is by default
driver = Selenium::WebDriver.for :firefox
driver.navigate.to "http://duckduckgo.com"

element = driver.find_element(name: 'q')
element.send_keys "Selenium Firefox Ruby Bindings"
element.submit

shoesCodeFor

require "selenium-webdriver"

driver = Selenium::WebDriver.for :chrome
wait = Selenium::WebDriver::Wait.new(:timeout => 18)
driver.navigate.to "https://someloginsite.web"
sleep 2
element = driver.find_element(:class, "username")
element.send_keys "SOMEUSER@TEST.COM"
pwd = driver.find_element(:class, "password")
pwd.send_keys "MyPasswords"

shoesCodeFor

-- Step 6
create view category_aggregate (category, total_places, total_chairs) as
	select
		category,
		count(cafe),
		sum(number_of_chairs)
	from street_cafes group by category;

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shoesCodeFor

API workthough

1. Open a browser

   # start an instance of firefox with selenium-webdriver
   driver = Selenium::WebDriver.for :firefox
   # :chrome -> chrome
   # :ie     -> iexplore
   

shoesCodeFor

#!/usr/bin/env ruby

# Ruby code snippets to determine MacOS versioning with more to come

# Inspired by AJ Acevedo's Gist: https://gist.github.com/AJ-Acevedo/5421660

##############################################################
# RbConfig to determine host OS and exit if not mac or linux #
##############################################################