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Reviewed-by: Eotvos, Oliver <oliver.eotvos@t-systems.com>
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Image Pull

How Do I Pull an Image from SWR by Calling an API?

Currently, SWR does not provide an API for pulling images. You can use a container engine client to pull images. For Docker, run docker pull. For containerd, run crictl pull.

Where Are the Images Pulled by docker pull Stored?

Images pulled by running the docker pull command are stored on your local hosts. You can run the docker save command to save images into TAR archive files.

Can I Pull Images on the SWR Console to a Local PC?

Images stored in SWR cannot be directly downloaded through the console. You can perform the following operations to pull the images:

  1. Obtain the image pull command on the image details page.
  2. Run the obtained command on the device where the Docker client is installed.

    Example:

    docker pull swr.*****/group/nginx:v1

  3. Save the image as a TAR or TAR.GZ file.

    Example:

    docker save nginx:v1 > nginx.tar

  4. Download the file to the local host.

What Are the Possible Causes of Slow Image Pull?

  1. The network is abnormal.
  2. There are multiple image layers.
  3. Image pull tasks are serially executed. A task cannot be executed until the previous task is complete. The timeout interval for a pull task is 30 minutes.

Will a Pulled Image Overwrite an Existing Image with the Same Name and Tag?

If they have the same manifest, the existing image will not be overwritten. Otherwise, it will be overwritten.

Parent topic: FAQs