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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.NodeType;
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.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);
/** 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, 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);
/** 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);
private static Node toNode(NodeRepositoryNode node) {
var application = Optional.ofNullable(node.getOwner())
.map(owner -> ApplicationId.from(owner.getTenant(), owner.getApplication(),
owner.getInstance()));
return new Node(com.yahoo.config.provision.HostName.from(node.getHostname()),
fromJacksonState(node.getState()),
fromJacksonType(node.getType()),
application,
versionFrom(node.getVespaVersion()),
versionFrom(node.getWantedVespaVersion()),
versionFrom(node.getCurrentOsVersion()),
versionFrom(node.getWantedOsVersion()),
fromBoolean(node.getAllowedToBeDown()),
toInt(node.getCurrentRestartGeneration()),
toInt(node.getRestartGeneration()),
toInt(node.getCurrentRebootGeneration()),
toInt(node.getRebootGeneration()),
toDouble(node.getMinCpuCores()),
toDouble(node.getMinMainMemoryAvailableGb()),
toDouble(node.getMinDiskAvailableGb()),
toDouble(node.getBandwidth()) / 1000,
toBoolean(node.getFastDisk()),
toInt(node.getCost()),
node.getCanonicalFlavor(),
clusterIdOf(node.getMembership()),
clusterTypeOf(node.getMembership()));
}
private static String clusterIdOf(NodeMembership nodeMembership) {
return nodeMembership == null ? "" : nodeMembership.clusterid;
}
private static Node.ClusterType clusterTypeOf(NodeMembership nodeMembership) {
switch (nodeMembership.clustertype) {
case "admin": return Node.ClusterType.admin;
case "content": return Node.ClusterType.content;
case "container": return Node.ClusterType.container;
}
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 Node.ServiceState fromBoolean(Boolean allowedDown) {
return (allowedDown == null)
? Node.ServiceState.unorchestrated
: allowedDown ? Node.ServiceState.allowedDown : Node.ServiceState.expectedUp;
}
private static boolean toBoolean(Boolean b) {
return b == null ? false : b;
}
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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