Mastering RabbitMQ电子书

Mastering RabbitMQ

Table of Contents

Mastering RabbitMQ

Credits

About the Authors

About the Reviewers

www.PacktPub.com

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Why subscribe?

Free access for Packt account holders

Preface

What this book covers

What you need for this book

Who this book is for

Conventions

Reader feedback

Customer support

Downloading the example code

Errata

Piracy

Questions

1. Getting Started

Message brokers and message queue

Message brokers

Message Queues

An introduction to the advanced message queue protocol

An overview of RabbitMQ

Installation of RabbitMQ

Windows

Mac OS X

Ubuntu

Fedora

Amazon elastic compute cloud (EC2)

Starting RabbitMQ

Starting RabbitMQ on Windows

Other OSes (Linux, Mac OS X)

Summary

2. Configuring RabbitMQ

Overall configuration of RabbitMQ

The RabbitMQ environment variables

Common environment variables

Unix-specific default location

Windows-specific default location

The configuration file

Runtime parameters

Parameter management

Policy management

Memory management

Summary

3. Architecture and Messaging

Messaging and its use cases

Coupling of the software systems

Heterogeneous integration

Addressing scalability

Enterprise messaging

Messaging-related software architectures

Message oriented middleware – Architecture

Event-driven architecture

Messaging concepts

Message producers

Message brokers

Message consumers

Messages

Advanced Message Queuing Protocol (AMQP)

AMQ elements

Message flow

Exchanges in AMQ

Message queues

Bindings

Functional specifications of AMQP

AMQP messages

Virtual hosts

Exchange types

The direct exchange type – amq.direct

The fan-out exchange type – amq.fanout

The topic exchange type – amq.topic

The headers exchange type – amq.match

Summary

4. Clustering and High Availability

High reliability in RabbitMQ

Federation in RabbitMQ

Clustering in RabbitMQ

Creating clusters

Checking the cluster status

Changing the cluster node types

Updating cluster nodes

Clustering the settings of RabbitMQ

Load balancing for high availability of queues

Summary

5. Plugins and Plugin Development

Plugin management and default plugins

Enabling and disabling plugins

Installing plugin from third-party sources

Default plugin list

Plugin configuration

Custom plugin development

Basics of Erlang

Variables and expressions

Tuples and lists

Functions and modules

Conditionals

Looping in Erlang

Concurrent programming

Simple RabbitMQ metronome plugin

Summary

6. Managing Your RabbitMQ Server

Management via a command line

Cluster commands

User commands

Virtual host and permission commands

Miscellaneous commands

Management via a web plugin

Management via a REST API

Summary

7. Monitoring

RabbitMQ command-line tools

Web plugins

Nagios

Munin

Zabbix

Summary

8. Security in RabbitMQ

An brief introduction to security in RabbitMQ

Vulnerabilities

Information leakage

Session management

Authentication and authorization

Solutions to the vulnerabilities

Fixing information leakage

Session management

Authentication and authorization

Applying access control

Providing SASL authentication

SSL support in RabbitMQ

Keys, certificates, and CA certificates

Enabling SSL support

Summary

9. Java RabbitMQ Client Programming

Case study

Use cases

Interaction diagram – sequence diagram

Application language – Java

Java Message Service (JMS)

RabbitMQ Java client API

Client package in detail

Connection

Channel

Exchanges

Queues

Publishing messages

Consuming messages

Synchronously receiving messages

Asynchronously receiving messages

Case study – client implementations

Model classes

JSONMessage interface

Message model

File message

Task

Single message

Sender

Receiver

Group message – routing

Sender

Receiver

Bulk message – PubSub

Sender

Receiver

File message

Sender

Receiver

RPC message

RPC client

RPC server

Creating tasks – manual acknowledgment

Task creator

Task handler

Creating distributing tasks

Task creator

Task handler clients

Spring framework and RabbitMQ

Spring AMQP

Single message

Spring config

Sender

Receiver

PubSub messages

Spring config

Private messages – routing

Spring config

Summary

10. Ruby Client Programming

Case study

Small data

Big data

Medium data

Solving all data problems

Bunny and Ruby

Installing Ruby

Linux

Windows

OSX/Mac

Rbenv

Installing Bunny

Using Bunny

Bunny producer

Bunny consumer

Exploring the AMQP model with Bunny

Workers

Publish – subscribe

Routing

The real-time processing

Sneakers

Installing

Lambda architecture

The real-time processors

Key performance indicators (KPIs)

Building averaging workers

Windows

Linux

Mac OS X

Building the IP2Location worker

Exploring sneakers

Timeouts

Job handling

Metrics

Summary

11. Python Client Programming

Case study

Getting Python dependencies

Pika

Installing Pika

Our first Pika client

A consumer

Introducing the web scraper

Scheduler

Scraper

Implementing the scheduler

Implementing the scraper

Running the scraper

Handling failure

Using acknowledgement

The Pika API

Connecting

Using connection adapters

BlockingConnection

BlockingChannel

Declaring queues and exchanges

Authentication

Plain credentials

SSL and external credentials

Certificate authentication

Background processing

Celery

Installation

Celery scraper

Celery scheduler

Exploring Celery

Scheduling

HTTP hook tasks

Other Celery features

Summary

Index