Python与AWS开发实战指南： Mitch Garnaat解密

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《Python与AWSCookbook》是一本由Mitch Garnaat编著的专业教程，它深度探讨了如何将Python编程语言与亚马逊网络服务(AWS)无缝集成。本书旨在帮助读者利用Python的强大功能来管理和操作AWS的各种云服务，如存储、计算、数据库、安全和分析等。作者以其丰富的经验和深入理解，提供了大量实用的代码示例和解决方案，适合从初学者到专业开发人员的广泛读者群体。书中涵盖了众多AWS服务的关键知识点，包括但不限于： 1. **入门指南**：对于Python开发者来说，章节首先介绍了如何安装必要的库和工具，以及如何设置AWS开发环境，确保读者能够顺利地在Python和AWS之间建立连接。 2. **基础服务**：涵盖了Amazon S3（对象存储）、EC2（弹性计算云）和Lambda（无服务器计算）等基础服务的使用，展示了如何使用Python进行文件存储、实例管理以及编写无服务器函数。 3. **高级主题**：深入探讨了更复杂的服务，比如使用Boto3（AWS SDK for Python）进行高级API调用，以及如何处理身份认证、权限管理和日志管理。 4. **自动化与部署**：书中还涉及如何使用Python脚本来自动化常见的运维任务，例如持续集成/持续部署(CI/CD)，以及如何通过Docker和Terraform实现更高效的云资源管理。 5. **大数据与分析**：展示了如何使用Python在AWS上进行数据处理（如Amazon S3和Amazon Redshift），以及如何运用机器学习服务如SageMaker进行模型训练和部署。 6. **安全性与合规性**：书中还关注了AWS的安全实践，包括IAM（身份和访问管理）和数据加密，确保符合法规要求。 7. **案例研究与最佳实践**：书中提供了一系列实际项目的案例，展示了如何在不同场景下应用Python和AWS，帮助读者更好地理解和应用所学知识。《Python and AWS Cookbook》不仅是一本技术参考书，也是一本实用的指导手册，无论是希望提高技能的开发者还是寻求高效解决方案的企业，都能从中受益匪浅。通过阅读这本书，读者可以快速掌握如何用Python操控AWS，实现云端业务的高效运作。

Installing boto with pip

The pip utility is another tool to find, install, upgrade, and uninstall Python packages.

In my experience, both work well, so do a bit of research and make up your own mind.

Or use both! Detailed instructions for installing pip can be found at http://pypi.python

.org/pypi/pip. Once you have pip set up on your machine, installing boto is similarly

easy:

% sudo pip install boto

Installing boto with virtualenv

One final option in the litany of installation options is actually not an installation tool

at all, but a very handy way of creating isolated Python environments. With virtua

lenv you can create any number of isolated, self-contained Python environments on

your workstation. Packages that are installed in these virtual environments will not

affect your system Python packages or other virtual environments. I have found this is

a very useful way to have many different projects in progress on my laptop without

worrying about changes or mistakes in one project affecting other projects or my global

environment. As an added benefit, once you have installed virtualenv and created an

environment, you automatically have access to both easy_install and pip within those

environments and installing software within the environment does not require super-

user or administrator rights.

Detailed instructions for installing virtualenv can be found at http://pypi.python.org/

pypi/virtualenv. Once you have virtualenv set up on your machine, you can set up a

virtual environment:

% virtualenv paws

You can name your virtualenv whatever you like, obviously. You can then enable your

virtual environment and install boto:

% cd paws

% source bin/activate

% pip install boto

Installing paramiko

The paramiko package implements the SSH2 protocol for secure connections to remote

machines. You can use boto without paramiko, but some of the EC2 recipes in this book

depend on the paramiko package, so I would recommend installing it. You can manually

install it using the instructions on http://www.lag.net/paramiko/, or, if you have installed

easy_install or pip, you can do easy_install paramiko or pip install paramiko.

Installing euca2ools

One final package you might want to install is euca2ools. This package was developed

by the Eucalyptus team to provide command-line tools that are compatible with the

1.2 Installing boto | 3

tools supplied by AWS. euca2ools is written in Python and built on top of boto. It

provides a great set of tools to help you manage your cloud infrastructure as well as

providing good example code to study and extend.

euca2ools has been packaged by many Linux distros. On Ubuntu, you can install it via

sudo apt-get -y euca2ools. On yum-based distros, you can do sudo yum install

euca2ools. You can also get the latest version of the source code at https://launchpad

.net/euca2ools or download packaged source releases from http://open.eucalyptus.com/

downloads.

1.3 Getting Started with Amazon Web Services

Create Your AWS Account

The first thing you will need to do to use Amazon Web Services is sign up for an account.

Go to http://aws.amazon.com/ and click on the Sign Up Now button. If you already

have an account with Amazon.com and want to associate your AWS activity with that

account, you can simply log in with those credentials. If you prefer, you can create a

new account just for your AWS activity.

For detailed instructions on signing up for AWS, you can check out this tutorial, pro-

vided by RightScale.

Make sure your account has been enabled for at least the EC2 service and the S3 service.

The tutorial linked to above provides detailed instructions on signing up for services.

Once your account has been created, a variety of credentials will be associated with it:

AWS Account Credentials

These are the credentials you use to log into the AWS web portal and the AWS

Management Console and consist of an email address and a password. Since these

credentials control access to all of the other credentials discussed below, it is very

important to choose a strong password for this account and to age the password

aggressively.

AWS Account Number

This is the unique 12-digit number associated with your AWS account. Unlike the

other credentials we will discuss, this one is not a secret. The easiest way to find

your account number is to look in the upper-right corner of the web page after you

have logged into the AWS portal. You should see something like Figure 1-2.

The Account Number is a public identifier and is used mainly for sharing resources

within AWS. For example, if I create an AMI in EC2 and I want to share that AMI

with a specific user without making the AMI public, I would need to add that user’s

Account Number to the list of user IDs associated with the AMI. One potential

source of confusion here: even though the Account Number is displayed with

4 | Chapter 1: General Info

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