Book Image

RabbitMQ Cookbook

Book Image

RabbitMQ Cookbook

Overview of this book

RabbitMQ is an open source message broker software (sometimes called message-oriented middleware) that implements the Advanced Message Queuing Protocol (AMQP). The RabbitMQ server is written in the Erlang programming language and is built on the Open Telecom Platform framework for clustering and failover. Messaging enables software applications to connect and scale. Applications can connect to each other as components of a larger application or to user devices and data. RabbitMQ Cookbook touches on all the aspects of RabbitMQ messaging. You will learn how to use this enabling technology for the solution of highly scalable problems dictated by the dynamic requirements of Web and mobile architectures, based for example on cloud computing platforms. This is a practical guide with several examples that will help you to understand the usefulness and the power of RabbitMQ. This book helps you learn the basic functionalities of RabbitMQ with simple examples which describe the use of RabbitMQ client APIs and how a RabbitMQ server works. You will find examples of RabbitMQ deployed in real-life use-cases, where its functionalities will be exploited combined with other technologies. This book helps you understand the advanced features of RabbitMQ that are useful for even the most demanding programmer. Over the course of the book, you will learn about the usage of basic AMQP functionalities and use RabbitMQ to let decoupled applications exchange messages as per enterprise integration applications. The same building blocks are used to implement the architecture of highly scalable applications like today's social networks, and they are presented in the book with some examples. You will also learn how to extend RabbitMQ functionalities by implementing Erlang plugins. This book combines information with detailed examples coupled with screenshots and diagrams to help you create a messaging application with ease.

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RabbitMQ Cookbook
Dec, 2013 | 288 pages
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Table of Contents (19 chapters)
RabbitMQ Cookbook
RabbitMQ Cookbook
Credits
Credits
About the Authors
About the Authors
About the Reviewers
About the Reviewers
www.PacktPub.com
www.PacktPub.com
Preface
Preface
Free Chapter
1
Working with AMQP
Working with AMQP
Introduction
Connecting to the broker
Producing messages
Consuming messages
Using body serialization with JSON
Using RPC with messaging
Broadcasting messages
Working with message routing using direct exchanges
Working with message routing using topic exchanges
Guaranteeing message processing
Distributing messages to many consumers
Using message properties
Messaging with transactions
Handling unroutable messages
2
Going beyond the AMQP Standard
Going beyond the AMQP Standard
Introduction
How to let messages expire
How to let messages expire on specific queues
How to let queues expire
Managing rejected or expired messages
Understanding the alternate exchange extension
Understanding the validated user-ID extension
Notifying the consumers of queue failures
Understanding the exchange-to-exchange extension
Embedding message destinations within messages
3
Managing RabbitMQ
Managing RabbitMQ
Introduction
Using vhosts
Configuring users
Using SSL
Implementing client-side certificates
Managing RabbitMQ from a browser
Configuring RabbitMQ parameters
Developing Python applications to monitor RabbitMQ
Developing your own web applications to monitor RabbitMQ
4
Mixing Different Technologies
Mixing Different Technologies
Introduction
Using a .NET client
Binding an app from iPhone to RabbitMQ via MQTT
Using messaging to update Google Maps on Android
Publishing messages from Android in the background
Exchanging RabbitMQ messages with Qpid
Exchanging RabbitMQ messages with Mosquitto
Binding a WCF application with .Net clients
5
Using RabbitMQ in Web Applications
Using RabbitMQ in Web Applications
Introduction
Developing web monitoring applications with Spring
Developing asynchronous web searches with Spring
Developing web monitoring applications with STOMP
6
Developing Scalable Applications
Developing Scalable Applications
Introduction
Creating a localhost cluster
Creating a simple cluster
Adding a RabbitMQ cluster automatically
Introducing a load balancer to consumers
Creating clients of the cluster
7
Developing High-availability Applications
Developing High-availability Applications
Introduction
Mirroring queues
Synchronizing queues
Optimizing mirror policies
Distributing messages between a couple of brokers
Creating a geographical cluster replication
Filtering and forwarding messages
Combining high-availability technologies together
Client high availability
8
Performance Tuning for RabbitMQ
Performance Tuning for RabbitMQ
Introduction
Multithreading and queues
System tuning
Improving bandwidth
Using different distribution tools
9
Extending RabbitMQ Functionality
Extending RabbitMQ Functionality
Introduction
Enabling and configuring the STOMP plugin
Managing a RabbitMQ cluster
Monitoring Shovel status
Developing new plugins – attaching to a relational database with ODBC
10
RabbitMQ on AWS
RabbitMQ on AWS
Introduction
Using RabbitMQ EC2 instances
Creating a master image
Creating a cluster with two EC2 instances
Using AWS Load Balancing in front of a RabbitMQ cluster
Configuring EC2 dynamic bind
Dealing with load spikes and resource optimization in the cloud
11
AMQP and Cloud Computing – RabbitMQ on PaaS
AMQP and Cloud Computing – RabbitMQ on PaaS
Introduction
RabbitMQ on CloudAMQP
First application on Cloud Foundry
Using RabbitMQ on Cloud Foundry
12
Managing RabbitMQ Error Conditions
Managing RabbitMQ Error Conditions
Introduction
Monitoring RabbitMQ's behavior
Using RabbitMQ to troubleshoot itself
Tracing RabbitMQ's ongoing activity
Debugging RabbitMQ's messages
What to do when RabbitMQ fails to restart
Debugging using Wireshark
Index
Index

About the Reviewers

Jorge Puente Sarrín is a Peruvian software developer, currently working at Red Científica Peruana (RCP) as a software architect designing service-based solutions. He is a passionate developer focused on building distributed systems solutions using asynchronous programming with Python and .NET. Also, he has been contributing towards the translation of documentation projects and online courses into Spanish. He is a proud member of Masters of MongoDB, a group of persons who are promoting MongoDB around the world.

Ken Taylor has worked in software development and technology for over 15 years. During the course of his career, he has worked as a systems analyst on multiple software projects in several industries as well as with the state government. He has used RabbitMQ for messaging on multiple projects as a way of scaling and as an integration point. He is a member and speaker of the 757 Ruby users group and the Hampton Roads .NET users group (HRNUG). Ken holds an A.S. in Computer Science from Paul D. Camp Community College and was awarded a U.S. Patent for a Real Estate financial software product. He is currently working at Outsite Networks Inc. in Norfolk, Virginia. He lives in Suffolk, Virginia with his lovely wife Lucia and his two sons, Kaide and Wyatt.

I would like to thank my wife for her support while writing this book and my sons for reminding me of the importance of being inquisitive. Thank you Packt Publishing for asking me to participate as a technical reviewer for this excellent resource on RabbitMQ.

Ignacio Colomina Torregrosa is a technical engineer in telecommunications and a master in free software. He works as a PHP/Symfony developer and has had experience using RabbitMQ as a tool to optimize and improve the performance of web applications that deal with large amounts of traffic.

Héctor Veiga is a software engineer specializing in real-time data integration. Recently, he has focused his work on different cloud technologies (AWS, Heroku, OpenShift, and so on) to develop scalable, resilient, and high-performing applications that are able to handle high-volume, real-time data in diverse protocols and formats. Additionally, he has a strong knowledge of messaging systems, such as RabbitMQ and AMQP. Also, Héctor has a Master's degree in Telecommunication Engineering from the Universidad Politécnica de Madrid and a Master's degree in Information Technology and Management from the Illinois Institute of Technology.

Héctor currently works at HERE as part of Global Data Integration team and is actively developing scalable applications to consume data from several different sources. HERE heavily utilizes RabbitMQ to address their messaging requirements. In the past, Héctor has worked at Xaptum Technologies, a company dedicated to M2M technologies.

I would like to thank my family and friends for their support. They showed me that giving up was not an option and that you just need to keep pushing. Also, I am greatly thankful for the opportunity I was given to live and work in a foreign country. Finally, I would like to acknowledge Steve Fosdal who has been my friend and RabbitMQ colleague during this journey.

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