Now that we have configured OpenStack Object Storage, we can also retrieve the stored objects using our swift client.
How to Download Objects From OpenStack Object Storage
Log in to a computer or server has the Swift Client Package Installed.
We will download objects from our OpenStack Object Storage environment using the different swift client options:
To download the object tmp/test/test1, we issue the following command:
This downloads the object to our filesystem. As we downloaded a file with the full path, this directory structure is preserved, so we end up with a new directory structure of tmp/test with a file in it called test1.
Downloading objects with the -o parameter
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To download the file without preserving the file structure, or to simply rename it to something else, we specify the -o parameter, as follows:
Downloading all objects from a container
We are also able to download complete containers to our local file system. To do this, we simply specify the container we want to download, as follows:
This will download all objects found under the test container.
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Downloading all objects from our OpenStack Object Storage account
We can download all objects that reside under our OpenStack Object Storage account. If we have multiple containers, all objects from all containers will be downloaded. We do this with the parameter, as follows:
This will download all objects with full paths preceded by the container name, for example:
The swift client is a basic but versatile tool that allows us to do many of the things we want to do with files. Downloading objects and containers is achieved using the following syntax:
To download all objects from our account (for example, from all containers), we specify the following syntax: