DavidWittman

backend default {
  .host = "127.0.0.1";
  .port = "8080";
}
backend master {
  .host = "10.x.x.x";
  .port = "80";
}
sub vcl_recv {
  # Any uploads or restarts should go to the master backend

DavidWittman

settings = {
   logfile = "/var/log/lsyncd/lsyncd.log",
   statusFile = "/var/log/lsyncd/lsyncd-status.log",
   statusInterval = 20
}

servers = {
    "web02",
    "web03"
}

DavidWittman

Notes from the DBA Exam (Part 1)

Note: for questions where you can select multiple answers, it will tell you how many to choose.

Overview

• Lots of InnoDB and transactional stuff
• Understand everything about locking

Specific questions

DavidWittman

OpenStack Summit Images Talk

Who we are

Rackspace Private Cloud. We install and operate Openstack clusters, both locally in our datacenters, and remotely in customer datacenters.

Reference Alamo v3?

What are we talking about?

Automating base image builds for OpenStack private clouds.

DavidWittman

USE keystone
-- This needs to be set in the my.cnf to persist
SET GLOBAL event_scheduler = 1;
DELIMITER $$
CREATE EVENT tokenreaper
ON SCHEDULE EVERY 1 WEEK
DO BEGIN
    DELETE FROM `token` WHERE expires <= DATE_SUB(NOW(), INTERVAL 1 WEEK);
END $$
DELIMITER ;

DavidWittman

#!/bin/bash

# neutron-scope
# 
# Run a command in the network namespace of an OpenStack server
#
# Pro-tip: The string _IP_ is replaced with the first IP address of the server
#          e.g. neutron-scope my-server ssh root@_IP_

set -e

DavidWittman

#!/usr/bin/env bash
#
# Allows a non-admin OpenStack user to update their password using
# Keystone's User CRUD extensions
#
# Usage: keystone-update-password.sh <new password>
#
# Requires curl, python-keystoneclient to fetch the auth tokens,
# and expects the user's OS_* environment variables to be exported
# in the current environment.

DavidWittman

DEPLOY_SCRIPT_URL = "https://github.com/rsoprivatecloud/openstack-chef-deploy/raw/master/deploy.sh"

Vagrant.configure("2") do |config|
  config.vm.box = "dummy"
  config.vm.synced_folder './vagrant', '/vagrant'
  config.ssh.private_key_path = File.expand_path("~/.ssh/id_rsa")

  ENV['VAGRANT_DEFAULT_PROVIDER'] = "rackspace"

  config.vm.provider :rackspace do |rs, override|

DavidWittman

description "Quantum Open vSwitch bridge ifup"
author "David Wittman <david.wittman@rackspace.com>"

start on started quantum-plugin-openvswitch-agent

console log

# Use post-start script instead of script so it only runs once
post-start script
    SLEEP=10

DavidWittman

#!/bin/bash
#
# openvswitch-bridges
#
# Brings up Open vSwitch bridges at boot time on Ubuntu/Debian.
# Needs to start _after_ the OVS services. This usually works:
#
#     update-rc.d openvswitch-bridges defaults 21
#
### BEGIN INIT INFO