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// Copyright 2018 Yahoo Holdings. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.vespa.hosted.controller.api.integration.configserver;
import com.yahoo.component.Version;
import com.yahoo.config.provision.ApplicationId;
import com.yahoo.config.provision.HostName;
import com.yahoo.config.provision.NodeResources;
import com.yahoo.config.provision.NodeType;
import com.yahoo.config.provision.TenantName;
import com.yahoo.config.provision.zone.ZoneId;
import com.yahoo.vespa.hosted.controller.api.integration.noderepository.NodeList;
import com.yahoo.vespa.hosted.controller.api.integration.noderepository.NodeMembership;
import com.yahoo.vespa.hosted.controller.api.integration.noderepository.NodeRepositoryNode;
import com.yahoo.vespa.hosted.controller.api.integration.noderepository.NodeState;
import java.time.Instant;
import java.util.Collection;
import java.util.List;
import java.util.Optional;
import java.util.Set;
import java.util.stream.Collectors;
/**
* A minimal interface to the node repository, providing only the operations used by the controller.
*
* @author mpolden
*/
public interface NodeRepository {
void addNodes(ZoneId zone, Collection<NodeRepositoryNode> nodes);
void deleteNode(ZoneId zone, String hostname);
void setState(ZoneId zone, NodeState nodeState, String nodename);
NodeRepositoryNode getNode(ZoneId zone, String hostname);
NodeList listNodes(ZoneId zone);
NodeList listNodes(ZoneId zone, ApplicationId application);
NodeList listNodes(ZoneId zone, List<HostName> hostnames);
/** List all nodes in given zone */
default List<Node> list(ZoneId zone) {
return listNodes(zone).nodes().stream()
.map(NodeRepository::toNode)
.collect(Collectors.toUnmodifiableList());
}
/** List all nodes in zone owned by given application */
default List<Node> list(ZoneId zone, List<HostName> hostnames) {
return listNodes(zone, hostnames).nodes().stream()
.map(NodeRepository::toNode)
.collect(Collectors.toUnmodifiableList());
}
/** List all nodes in zone owned by given application */
default List<Node> list(ZoneId zone, ApplicationId application) {
return listNodes(zone, application).nodes().stream()
.map(NodeRepository::toNode)
.collect(Collectors.toUnmodifiableList());
}
/** List all nodes in states, in zone owned by given application */
default List<Node> list(ZoneId zone, ApplicationId application, Set<Node.State> states) {
return list(zone, application).stream()
.filter(node -> states.contains(node.state()))
.collect(Collectors.toList());
}
/** Upgrade all nodes of given type to a new version */
void upgrade(ZoneId zone, NodeType type, Version version);
/** Upgrade OS for all nodes of given type to a new version */
void upgradeOs(ZoneId zone, NodeType type, Version version);
/** Get target versions for upgrades in given zone */
TargetVersions targetVersionsOf(ZoneId zone);
/** Requests firmware checks on all hosts in the given zone. */
void requestFirmwareCheck(ZoneId zone);
/** Cancels firmware checks on all hosts in the given zone. */
void cancelFirmwareCheck(ZoneId zone);
void retireAndDeprovision(ZoneId zoneId, String hostName);
private static Node toNode(NodeRepositoryNode node) {
var application = Optional.ofNullable(node.getOwner())
.map(owner -> ApplicationId.from(owner.getTenant(), owner.getApplication(),
owner.getInstance()));
var parentHostname = Optional.ofNullable(node.getParentHostname()).map(HostName::from);
var resources = new NodeResources(
toDouble(node.getResources().getVcpu()),
toDouble(node.getResources().getMemoryGb()),
toDouble(node.getResources().getDiskGb()),
toDouble(node.getResources().getBandwidthGbps()),
diskSpeedFromString(node.getResources().getDiskSpeed()),
storageTypeFromString(node.getResources().getStorageType()));
return new Node(HostName.from(node.getHostname()),
parentHostname,
fromJacksonState(node.getState()),
fromJacksonType(node.getType()),
resources,
application,
versionFrom(node.getVespaVersion()),
versionFrom(node.getWantedVespaVersion()),
versionFrom(node.getCurrentOsVersion()),
versionFrom(node.getWantedOsVersion()),
Optional.ofNullable(node.getCurrentFirmwareCheck()).map(Instant::ofEpochMilli),
Optional.ofNullable(node.getWantedFirmwareCheck()).map(Instant::ofEpochMilli),
fromBoolean(node.getAllowedToBeDown()),
Optional.ofNullable(node.suspendedSinceMillis()).map(Instant::ofEpochMilli),
toInt(node.getCurrentRestartGeneration()),
toInt(node.getRestartGeneration()),
toInt(node.getCurrentRebootGeneration()),
toInt(node.getRebootGeneration()),
toInt(node.getCost()),
node.getFlavor(),
clusterIdOf(node.getMembership()),
clusterTypeOf(node.getMembership()),
node.getWantToRetire(),
node.getWantToDeprovision(),
Optional.ofNullable(node.getReservedTo()).map(TenantName::from));
}
private static String clusterIdOf(NodeMembership nodeMembership) {
return nodeMembership == null ? "" : nodeMembership.clusterid;
}
private static Node.ClusterType clusterTypeOf(NodeMembership nodeMembership) {
if (nodeMembership == null) return Node.ClusterType.unknown;
switch (nodeMembership.clustertype) {
case "admin": return Node.ClusterType.admin;
case "content": return Node.ClusterType.content;
case "container": return Node.ClusterType.container;
case "combined": return Node.ClusterType.combined;
}
return Node.ClusterType.unknown;
}
// Convert Jackson type to config.provision type
private static NodeType fromJacksonType(com.yahoo.vespa.hosted.controller.api.integration.noderepository.NodeType nodeType) {
switch (nodeType) {
case tenant: return NodeType.tenant;
case host: return NodeType.host;
case proxy: return NodeType.proxy;
case proxyhost: return NodeType.proxyhost;
case config: return NodeType.config;
case confighost: return NodeType.confighost;
default: throw new IllegalArgumentException("Unknown type: " + nodeType);
}
}
private static com.yahoo.vespa.hosted.controller.api.integration.configserver.Node.State fromJacksonState(NodeState state) {
switch (state) {
case provisioned: return Node.State.provisioned;
case ready: return Node.State.ready;
case reserved: return Node.State.reserved;
case active: return Node.State.active;
case inactive: return Node.State.inactive;
case dirty: return Node.State.dirty;
case failed: return Node.State.failed;
case parked: return Node.State.parked;
}
return Node.State.unknown;
}
private static NodeResources.DiskSpeed diskSpeedFromString(String diskSpeed) {
if (diskSpeed == null) return NodeResources.DiskSpeed.getDefault();
switch (diskSpeed) {
case "fast": return NodeResources.DiskSpeed.fast;
case "slow": return NodeResources.DiskSpeed.slow;
case "any": return NodeResources.DiskSpeed.any;
default: throw new IllegalArgumentException("Unknown disk speed '" + diskSpeed + "'");
}
}
private static NodeResources.StorageType storageTypeFromString(String storageType) {
if (storageType == null) return NodeResources.StorageType.getDefault();
switch (storageType) {
case "remote": return NodeResources.StorageType.remote;
case "local": return NodeResources.StorageType.local;
case "any": return NodeResources.StorageType.any;
default: throw new IllegalArgumentException("Unknown storage type '" + storageType + "'");
}
}
private static Node.ServiceState fromBoolean(Boolean allowedDown) {
return (allowedDown == null)
? Node.ServiceState.unorchestrated
: allowedDown ? Node.ServiceState.allowedDown : Node.ServiceState.expectedUp;
}
private static double toDouble(Double d) {
return d == null ? 0 : d;
}
private static int toInt(Integer i) {
return i == null ? 0 : i;
}
private static Version versionFrom(String s) {
return s == null ? Version.emptyVersion : Version.fromString(s);
}
}
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