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// Copyright 2017 Yahoo Holdings. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.vespa.model.content;
import com.yahoo.config.model.deploy.DeployState;
import com.yahoo.vespa.config.content.FleetcontrollerConfig;
import com.yahoo.config.model.producer.AbstractConfigProducer;
import com.yahoo.config.model.producer.AbstractConfigProducerRoot;
import com.yahoo.vespa.model.VespaModel;
import com.yahoo.vespa.model.builder.xml.dom.ModelElement;
import com.yahoo.vespa.model.builder.xml.dom.VespaDomBuilder;
import com.yahoo.vespa.model.utils.Duration;
import org.w3c.dom.Element;
/**
* Config generation for common parameters for all fleet controllers.
*
* TODO: Author
*/
public class ClusterControllerConfig extends AbstractConfigProducer<ClusterControllerConfig> implements FleetcontrollerConfig.Producer {
public static class Builder extends VespaDomBuilder.DomConfigProducerBuilder<ClusterControllerConfig> {
private final String clusterName;
private final ModelElement clusterElement;
private final ResourceLimits resourceLimits;
public Builder(String clusterName, ModelElement clusterElement, ResourceLimits resourceLimits) {
this.clusterName = clusterName;
this.clusterElement = clusterElement;
this.resourceLimits = resourceLimits;
}
@Override
protected ClusterControllerConfig doBuild(DeployState deployState, AbstractConfigProducer<?> ancestor, Element producerSpec) {
ModelElement tuning = null;
ModelElement clusterTuning = clusterElement.child("tuning");
Integer bucketSplittingMinimumBits = null;
Double minNodeRatioPerGroup = null;
if (clusterTuning != null) {
tuning = clusterTuning.child("cluster-controller");
minNodeRatioPerGroup = clusterTuning.childAsDouble("min-node-ratio-per-group");
bucketSplittingMinimumBits = clusterTuning.childAsInteger("bucket-splitting.minimum-bits");
}
boolean enableClusterFeedBlock = deployState.getProperties().featureFlags().enableFeedBlockInDistributor();
if (tuning != null) {
return new ClusterControllerConfig(ancestor, clusterName,
tuning.childAsDuration("init-progress-time"),
tuning.childAsDuration("transition-time"),
tuning.childAsLong("max-premature-crashes"),
tuning.childAsDuration("stable-state-period"),
tuning.childAsDouble("min-distributor-up-ratio"),
tuning.childAsDouble("min-storage-up-ratio"),
bucketSplittingMinimumBits,
minNodeRatioPerGroup,
enableClusterFeedBlock,
resourceLimits);
} else {
return new ClusterControllerConfig(ancestor, clusterName,
null, null, null, null, null, null,
bucketSplittingMinimumBits,
minNodeRatioPerGroup,
enableClusterFeedBlock, resourceLimits);
}
}
}
private final String clusterName;
private final Duration initProgressTime;
private final Duration transitionTime;
private final Long maxPrematureCrashes;
private final Duration stableStateTimePeriod;
private final Double minDistributorUpRatio;
private final Double minStorageUpRatio;
private final Integer minSplitBits;
private final Double minNodeRatioPerGroup;
private final boolean enableClusterFeedBlock;
private final ResourceLimits resourceLimits;
// TODO refactor; too many args
private ClusterControllerConfig(AbstractConfigProducer parent,
String clusterName,
Duration initProgressTime,
Duration transitionTime,
Long maxPrematureCrashes,
Duration stableStateTimePeriod,
Double minDistributorUpRatio,
Double minStorageUpRatio,
Integer minSplitBits,
Double minNodeRatioPerGroup,
boolean enableClusterFeedBlock,
ResourceLimits resourceLimits) {
super(parent, "fleetcontroller");
this.clusterName = clusterName;
this.initProgressTime = initProgressTime;
this.transitionTime = transitionTime;
this.maxPrematureCrashes = maxPrematureCrashes;
this.stableStateTimePeriod = stableStateTimePeriod;
this.minDistributorUpRatio = minDistributorUpRatio;
this.minStorageUpRatio = minStorageUpRatio;
this.minSplitBits = minSplitBits;
this.minNodeRatioPerGroup = minNodeRatioPerGroup;
this.enableClusterFeedBlock = enableClusterFeedBlock;
this.resourceLimits = resourceLimits;
}
@Override
public void getConfig(FleetcontrollerConfig.Builder builder) {
AbstractConfigProducerRoot root = getRoot();
if (root instanceof VespaModel) {
String zooKeeperAddress =
root.getAdmin().getZooKeepersConfigProvider().getZooKeepersConnectionSpec();
builder.zookeeper_server(zooKeeperAddress);
} else {
builder.zookeeper_server("");
}
builder.index(0);
builder.cluster_name(clusterName);
builder.fleet_controller_count(getChildren().size());
if (initProgressTime != null) {
builder.init_progress_time((int) initProgressTime.getMilliSeconds());
}
if (transitionTime != null) {
builder.storage_transition_time((int) transitionTime.getMilliSeconds());
}
if (maxPrematureCrashes != null) {
builder.max_premature_crashes(maxPrematureCrashes.intValue());
}
if (stableStateTimePeriod != null) {
builder.stable_state_time_period((int) stableStateTimePeriod.getMilliSeconds());
}
if (minDistributorUpRatio != null) {
builder.min_distributor_up_ratio(minDistributorUpRatio);
}
if (minStorageUpRatio != null) {
builder.min_storage_up_ratio(minStorageUpRatio);
}
if (minSplitBits != null) {
builder.ideal_distribution_bits(minSplitBits);
}
if (minNodeRatioPerGroup != null) {
builder.min_node_ratio_per_group(minNodeRatioPerGroup);
}
builder.enable_cluster_feed_block(enableClusterFeedBlock);
resourceLimits.getConfig(builder);
}
}
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