containerd Substitute Image Repository

You can configure one or multiple image repositories to be selected when obtaining images from the container runtime.

Value Range

Up to five image repositories can be configured, and each of them can have up to five substitute image repositories configured for them.

Default Value

The default, docker.io, is used if this parameter is left blank and the SWR image repository used as a substitute.

Modifiable

Yes

Scope

Nodes that use containerd in CCE standard and CCE Turbo clusters

Configuration Description

An image repository must be an IP address or domain name. A substitute image repository must be an IP address or domain name starting with http:// or https://.

For example, if you use the on-premises image repositories with IP addresses of http://example.com and https://example.com as the substitute repositories of the default repository docker.io, the parameter value is ["docker.io=http://example.com,https://example.com"].

Suggestions

• Add local image repositories for faster image pulling.
• Configure multiple image repositories for higher fault tolerance and availability.

If the image repository or its substitute is configured incorrectly, containers may not be able to pull the necessary image.