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// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.vespa.hosted.provision.persistence;
import com.yahoo.config.provision.NodeResources;
import com.yahoo.slime.Cursor;
import com.yahoo.slime.Inspector;
import java.util.Optional;
/**
* @author bratseth
*/
public class NodeResourcesSerializer {
private static final String vcpuKey = "vcpu";
private static final String memoryKey = "memory";
private static final String diskKey = "disk";
private static final String bandwidthKey = "bandwidth";
private static final String diskSpeedKey = "diskSpeed";
private static final String storageTypeKey = "storageType";
private static final String architectureKey = "architecture";
private static final String gpuKey = "gpu";
private static final String gpuCountKey = "gpuCount";
private static final String gpuMemoryKey = "gpuMemory";
static void toSlime(NodeResources resources, Cursor resourcesObject) {
if (resources.isUnspecified()) return;
resourcesObject.setDouble(vcpuKey, resources.vcpu());
resourcesObject.setDouble(memoryKey, resources.memoryGb());
resourcesObject.setDouble(diskKey, resources.diskGb());
resourcesObject.setDouble(bandwidthKey, resources.bandwidthGbps());
resourcesObject.setString(diskSpeedKey, diskSpeedToString(resources.diskSpeed()));
resourcesObject.setString(storageTypeKey, storageTypeToString(resources.storageType()));
resourcesObject.setString(architectureKey, architectureToString(resources.architecture()));
if (!resources.gpuResources().isDefault()) {
Cursor gpuObject = resourcesObject.setObject(gpuKey);
gpuObject.setLong(gpuCountKey, resources.gpuResources().count());
gpuObject.setDouble(gpuMemoryKey, resources.gpuResources().memoryGb());
}
}
static NodeResources resourcesFromSlime(Inspector resources) {
if ( ! resources.field(vcpuKey).valid()) return NodeResources.unspecified();
return new NodeResources(resources.field(vcpuKey).asDouble(),
resources.field(memoryKey).asDouble(),
resources.field(diskKey).asDouble(),
resources.field(bandwidthKey).asDouble(),
diskSpeedFromSlime(resources.field(diskSpeedKey)),
storageTypeFromSlime(resources.field(storageTypeKey)),
architectureFromSlime(resources.field(architectureKey)),
gpuResourcesFromSlime(resources.field(gpuKey)));
}
static Optional<NodeResources> optionalResourcesFromSlime(Inspector resources) {
return resources.valid() ? Optional.of(resourcesFromSlime(resources)) : Optional.empty();
}
private static NodeResources.DiskSpeed diskSpeedFromSlime(Inspector diskSpeed) {
return switch (diskSpeed.asString()) {
case "fast" -> NodeResources.DiskSpeed.fast;
case "slow" -> NodeResources.DiskSpeed.slow;
case "any" -> NodeResources.DiskSpeed.any;
default -> throw new IllegalStateException("Illegal disk-speed value '" + diskSpeed.asString() + "'");
};
}
private static String diskSpeedToString(NodeResources.DiskSpeed diskSpeed) {
return switch (diskSpeed) {
case fast -> "fast";
case slow -> "slow";
case any -> "any";
};
}
private static NodeResources.StorageType storageTypeFromSlime(Inspector storageType) {
return switch (storageType.asString()) {
case "remote" -> NodeResources.StorageType.remote;
case "local" -> NodeResources.StorageType.local;
case "any" -> NodeResources.StorageType.any;
default -> throw new IllegalStateException("Illegal storage-type value '" + storageType.asString() + "'");
};
}
private static String storageTypeToString(NodeResources.StorageType storageType) {
return switch (storageType) {
case remote -> "remote";
case local -> "local";
case any -> "any";
};
}
private static NodeResources.Architecture architectureFromSlime(Inspector architecture) {
if ( ! architecture.valid()) return NodeResources.Architecture.getDefault(); // TODO: Remove this line after March 2022
return switch (architecture.asString()) {
case "arm64" -> NodeResources.Architecture.arm64;
case "x86_64" -> NodeResources.Architecture.x86_64;
case "any" -> NodeResources.Architecture.any;
default -> throw new IllegalStateException("Illegal architecture value '" + architecture.asString() + "'");
};
}
private static String architectureToString(NodeResources.Architecture architecture) {
return switch (architecture) {
case arm64 -> "arm64";
case x86_64 -> "x86_64";
case any -> "any";
};
}
private static NodeResources.GpuResources gpuResourcesFromSlime(Inspector gpu) {
if (!gpu.valid()) return NodeResources.GpuResources.getDefault();
return new NodeResources.GpuResources((int) gpu.field(gpuCountKey).asLong(),
gpu.field(gpuMemoryKey).asDouble());
}
}
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