Downloading objects

Once objects have been uploaded to a container, one may also want to download them. In this recipe, we will show you how to download objects to your local disk.

Getting ready

Ensure that you are logged on to a correctly configured OpenStack client and can access the OpenStack environment as a user with the swiftoperator privileges. We will use the developer user created in the Common OpenStack identity tasks recipe in Chapter 2, The OpenStack Client with the cookbook4 password. We have also granted this user the swiftoperator privileges.

Refer to Chapter 2, The OpenStack Client, for details of setting up your environment to use the OpenStack command-line client.

How to do it…

To download objects from a Swift cluster, carry out the following steps:

1. List the available objects in a container:

   openstack object list books
   

   This will give a list of objects in our books container:

   

2. To download the desired file, for example, intro.txt, issue the following command:

   openstack object save...