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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.orchestrator.model;
import com.yahoo.config.provision.ApplicationId;
import com.yahoo.vespa.applicationmodel.ApplicationInstance;
import com.yahoo.vespa.applicationmodel.HostName;
import com.yahoo.vespa.applicationmodel.ServiceCluster;
import com.yahoo.vespa.applicationmodel.ServiceInstance;
import com.yahoo.vespa.orchestrator.OrchestratorContext;
import com.yahoo.vespa.orchestrator.OrchestratorUtil;
import com.yahoo.vespa.orchestrator.controller.ClusterControllerClientFactory;
import com.yahoo.vespa.orchestrator.policy.ApplicationParams;
import com.yahoo.vespa.orchestrator.status.ApplicationInstanceStatus;
import com.yahoo.vespa.orchestrator.status.ApplicationLock;
import com.yahoo.vespa.orchestrator.status.HostInfos;
import com.yahoo.vespa.orchestrator.status.HostStatus;
import java.time.Clock;
import java.util.Comparator;
import java.util.HashSet;
import java.util.List;
import java.util.Optional;
import java.util.Set;
import java.util.function.Predicate;
import java.util.stream.Collectors;
/**
* @author hakonhall
*/
public class ApplicationApiImpl implements ApplicationApi {
private final ApplicationInstance applicationInstance;
private final NodeGroup nodeGroup;
private final ApplicationLock lock;
private final Clock clock;
private final List<ClusterApi> clusterInOrder;
private final HostInfos hostInfos;
public ApplicationApiImpl(NodeGroup nodeGroup,
ApplicationLock lock,
ClusterControllerClientFactory clusterControllerClientFactory,
ApplicationParams params, Clock clock) {
this.applicationInstance = nodeGroup.getApplication();
this.nodeGroup = nodeGroup;
this.lock = lock;
this.clock = clock;
this.hostInfos = lock.getHostInfos();
this.clusterInOrder = makeClustersInOrder(nodeGroup, hostInfos, clusterControllerClientFactory, params);
}
@Override
public ApplicationId applicationId() {
return OrchestratorUtil.toApplicationId(applicationInstance.reference());
}
private HostStatus getHostStatus(HostName hostName) {
return hostInfos.getOrNoRemarks(hostName).status();
}
@Override
public List<ClusterApi> getClusters() {
return clusterInOrder;
}
@Override
public List<StorageNode> getSuspendedStorageNodesInGroupInReverseClusterOrder() {
return getStorageNodesInGroupInClusterOrder().stream()
.filter(storageNode -> getHostStatus(storageNode.hostName()).isSuspended())
.sorted(Comparator.reverseOrder())
.toList();
}
@Override
public NodeGroup getNodeGroup() {
return nodeGroup;
}
@Override
public List<StorageNode> getStorageNodesInGroupInClusterOrder() {
return clusterInOrder.stream()
.map(ClusterApi::storageNodeInGroup)
.filter(Optional::isPresent)
.map(Optional::get)
.toList();
}
@Override
public List<StorageNode> getNoRemarksStorageNodesInGroupInClusterOrder() {
return clusterInOrder.stream()
.map(ClusterApi::storageNodeInGroup)
.filter(Optional::isPresent)
.map(Optional::get)
.filter(x -> hostInfos.getOrNoRemarks(x.hostName()).status() == HostStatus.NO_REMARKS)
.toList();
}
@Override
public ApplicationInstanceStatus getApplicationStatus() {
return lock.getApplicationInstanceStatus();
}
@Override
public void setHostState(OrchestratorContext context, HostName hostName, HostStatus status) {
lock.setHostState(hostName, status);
}
@Override
public List<HostName> getNodesInGroupWith(Predicate<HostStatus> statusPredicate) {
return nodeGroup.getHostNames().stream()
.filter(hostName -> statusPredicate.test(getHostStatus(hostName)))
.toList();
}
private List<ClusterApi> makeClustersInOrder(NodeGroup nodeGroup,
HostInfos hostInfos,
ClusterControllerClientFactory clusterControllerClientFactory,
ApplicationParams params) {
Set<ServiceCluster> clustersInGroup = getServiceClustersInGroup(nodeGroup);
return clustersInGroup.stream()
.map(serviceCluster -> new ClusterApiImpl(
this,
serviceCluster,
nodeGroup,
hostInfos,
clusterControllerClientFactory,
params.clusterParamsFor(serviceCluster.clusterId(), serviceCluster.serviceType()),
clock))
.sorted(ApplicationApiImpl::compareClusters)
.collect(Collectors.toList());
}
private static int compareClusters(ClusterApi lhs, ClusterApi rhs) {
int diff = lhs.serviceType().toString().compareTo(rhs.serviceType().toString());
if (diff != 0) {
return diff;
}
return lhs.clusterId().toString().compareTo(rhs.clusterId().toString());
}
private static Set<ServiceCluster> getServiceClustersInGroup(NodeGroup nodeGroup) {
ApplicationInstance applicationInstance = nodeGroup.getApplication();
Set<ServiceCluster> serviceClustersInGroup = new HashSet<>();
for (ServiceCluster cluster : applicationInstance.serviceClusters()) {
for (ServiceInstance instance : cluster.serviceInstances()) {
if (nodeGroup.contains(instance.hostName())) {
serviceClustersInGroup.add(cluster);
break;
}
}
}
return serviceClustersInGroup;
}
}
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