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// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.vespa.hosted.provision.provisioning;
import com.yahoo.config.provision.DockerImage;
import com.yahoo.config.provision.NodeType;
import com.yahoo.vespa.hosted.provision.Node;
import java.util.Objects;
import java.util.Optional;
/**
* This class decides the container image to use for a given node. Two sources are considered, in the following order:
*
* 1. Requested image (from node allocation, this is set by either a feature flag or through services.xml)
* 2. Default image for the node type/configuration, specified in the node repository config file.
*
* Independent of source, the registry part of the image is rewritten to match the one set in the node repository config
* file.
*
* @author freva
* @author mpolden
*/
public class ContainerImages {
private final DockerImage defaultImage;
private final Optional<DockerImage> tenantImage;
private final Optional<DockerImage> tenantGpuImage;
public ContainerImages(DockerImage defaultImage, Optional<DockerImage> tenantContainerImage, Optional<DockerImage> tenantGpuImage) {
this.defaultImage = Objects.requireNonNull(defaultImage);
this.tenantImage = Objects.requireNonNull(tenantContainerImage);
this.tenantGpuImage = Objects.requireNonNull(tenantGpuImage);
}
/** Returns the container image to use for given node */
public DockerImage get(Node node) {
Optional<DockerImage> requestedImage = node.allocation()
.flatMap(allocation -> allocation.membership().cluster().dockerImageRepo());
NodeType nodeType = node.type().isHost() ? node.type().childNodeType() : node.type();
DockerImage wantedImage =
nodeType != NodeType.tenant ?
defaultImage :
node.resources().gpuResources().isZero() ?
tenantImage.orElse(defaultImage) :
tenantGpuImage.orElseThrow(() -> new IllegalArgumentException(node + " has GPU resources, but there is no GPU container image available"));
return requestedImage
// Rewrite requested images to make sure they come from a trusted registry
.map(image -> image.withRegistry(wantedImage.registry()))
.orElse(wantedImage);
}
}
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