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// Copyright 2016 Yahoo Inc. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.vespa.clustercontroller.core;
import com.yahoo.vdslib.distribution.ConfiguredNode;
import com.yahoo.vdslib.distribution.Distribution;
import com.yahoo.vdslib.state.Node;
import com.yahoo.vdslib.state.NodeState;
import com.yahoo.vdslib.state.NodeType;
import com.yahoo.vdslib.state.State;
import com.yahoo.vespa.clustercontroller.core.listeners.NodeStateOrHostInfoChangeHandler;
import com.yahoo.vespa.clustercontroller.core.mocks.TestEventLog;
import com.yahoo.vespa.clustercontroller.utils.util.NoMetricReporter;
import com.yahoo.vespa.config.content.StorDistributionConfig;
import java.util.Collection;
import java.util.List;
import java.util.Map;
import java.util.TreeMap;
import java.util.stream.Collectors;
import java.util.stream.IntStream;
import static org.mockito.Mockito.mock;
class ClusterFixture {
public final ContentCluster cluster;
public final Distribution distribution;
public final FakeTimer timer;
public final EventLogInterface eventLog;
public final SystemStateGenerator generator;
public ClusterFixture(ContentCluster cluster, Distribution distribution) {
this.cluster = cluster;
this.distribution = distribution;
this.timer = new FakeTimer();
this.eventLog = mock(EventLogInterface.class);
this.generator = createGeneratorForFixtureCluster();
}
public SystemStateGenerator createGeneratorForFixtureCluster() {
final int controllerIndex = 0;
MetricUpdater metricUpdater = new MetricUpdater(new NoMetricReporter(), controllerIndex);
SystemStateGenerator generator = new SystemStateGenerator(timer, eventLog, metricUpdater);
generator.setNodes(cluster.clusterInfo());
generator.setDistribution(distribution);
return generator;
}
public void bringEntireClusterUp() {
cluster.clusterInfo().getConfiguredNodes().forEach((idx, node) -> {
reportStorageNodeState(idx, State.UP);
reportDistributorNodeState(idx, State.UP);
});
}
public void reportStorageNodeState(final int index, State state) {
final Node node = new Node(NodeType.STORAGE, index);
final NodeState nodeState = new NodeState(NodeType.STORAGE, state);
nodeState.setDescription("mockdesc");
NodeStateOrHostInfoChangeHandler handler = mock(NodeStateOrHostInfoChangeHandler.class);
NodeInfo nodeInfo = cluster.getNodeInfo(node);
generator.handleNewReportedNodeState(nodeInfo, nodeState, handler);
nodeInfo.setReportedState(nodeState, timer.getCurrentTimeInMillis());
}
public void reportStorageNodeState(final int index, NodeState nodeState) {
final Node node = new Node(NodeType.STORAGE, index);
final NodeInfo nodeInfo = cluster.getNodeInfo(node);
final long mockTime = 1234;
NodeStateOrHostInfoChangeHandler changeListener = mock(NodeStateOrHostInfoChangeHandler.class);
generator.handleNewReportedNodeState(nodeInfo, nodeState, changeListener);
nodeInfo.setReportedState(nodeState, mockTime);
}
public void reportDistributorNodeState(final int index, State state) {
final Node node = new Node(NodeType.DISTRIBUTOR, index);
final NodeState nodeState = new NodeState(NodeType.DISTRIBUTOR, state);
NodeStateOrHostInfoChangeHandler handler = mock(NodeStateOrHostInfoChangeHandler.class);
NodeInfo nodeInfo = cluster.getNodeInfo(node);
generator.handleNewReportedNodeState(nodeInfo, nodeState, handler);
nodeInfo.setReportedState(nodeState, timer.getCurrentTimeInMillis());
}
public void proposeStorageNodeWantedState(final int index, State state) {
final Node node = new Node(NodeType.STORAGE, index);
final NodeState nodeState = new NodeState(NodeType.STORAGE, state);
nodeState.setDescription("mockdesc");
NodeInfo nodeInfo = cluster.getNodeInfo(node);
nodeInfo.setWantedState(nodeState);
generator.proposeNewNodeState(nodeInfo, nodeState);
}
public void disableAutoClusterTakedown() {
generator.setMinNodesUp(0, 0, 0.0, 0.0);
}
public void disableTransientMaintenanceModeOnDown() {
Map<NodeType, Integer> maxTransitionTime = new TreeMap<>();
maxTransitionTime.put(NodeType.DISTRIBUTOR, 0);
maxTransitionTime.put(NodeType.STORAGE, 0);
generator.setMaxTransitionTime(maxTransitionTime);
}
public void enableTransientMaintenanceModeOnDown(final int transitionTime) {
Map<NodeType, Integer> maxTransitionTime = new TreeMap<>();
maxTransitionTime.put(NodeType.DISTRIBUTOR, transitionTime);
maxTransitionTime.put(NodeType.STORAGE, transitionTime);
generator.setMaxTransitionTime(maxTransitionTime);
}
public String generatedClusterState() {
return generator.getClusterState().toString();
}
public String verboseGeneratedClusterState() { return generator.getClusterState().toString(true); }
public static ClusterFixture forFlatCluster(int nodeCount) {
Collection<ConfiguredNode> nodes = DistributionBuilder.buildConfiguredNodes(nodeCount);
Distribution distribution = DistributionBuilder.forFlatCluster(nodeCount);
ContentCluster cluster = new ContentCluster("foo", nodes, distribution, 0, 0.0);
return new ClusterFixture(cluster, distribution);
}
public static ClusterFixture forHierarchicCluster(DistributionBuilder.GroupBuilder root) {
List<ConfiguredNode> nodes = DistributionBuilder.buildConfiguredNodes(root.totalNodeCount());
Distribution distribution = DistributionBuilder.forHierarchicCluster(root);
ContentCluster cluster = new ContentCluster("foo", nodes, distribution, 0, 0.0);
return new ClusterFixture(cluster, distribution);
}
}
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