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// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.vespa.clustercontroller.core.restapiv2.requests;
import com.yahoo.vdslib.state.ClusterState;
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.ContentCluster;
import com.yahoo.vespa.clustercontroller.core.NodeInfo;
import com.yahoo.vespa.clustercontroller.core.NodeStateChangeChecker;
import com.yahoo.vespa.clustercontroller.core.listeners.NodeListener;
import com.yahoo.vespa.clustercontroller.utils.staterestapi.errors.StateRestApiException;
import com.yahoo.vespa.clustercontroller.utils.staterestapi.requests.SetUnitStateRequest;
import com.yahoo.vespa.clustercontroller.utils.staterestapi.response.SetResponse;
import com.yahoo.vespa.clustercontroller.utils.staterestapi.response.UnitState;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;
import java.util.HashMap;
import java.util.Map;
import java.util.Optional;
import static org.mockito.ArgumentMatchers.any;
import static org.mockito.ArgumentMatchers.anyBoolean;
import static org.mockito.ArgumentMatchers.eq;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.times;
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.when;
public class SetNodeStateRequestTest {
private static final String REASON = "operator";
private final ContentCluster cluster = mock(ContentCluster.class);
private final SetUnitStateRequest.Condition condition = SetUnitStateRequest.Condition.SAFE;
private final Map<String, UnitState> newStates = new HashMap<>();
private final UnitState unitState = mock(UnitState.class);
private final int NODE_INDEX = 2;
private final Node storageNode = new Node(NodeType.STORAGE, NODE_INDEX);
private final NodeListener stateListener = mock(NodeListener.class);
private final ClusterState currentClusterState = mock(ClusterState.class);
private boolean inMasterMoratorium = false;
private boolean probe = false;
@BeforeEach
public void setUp() {
newStates.put("user", unitState);
}
@Test
void testUpToMaintenance() throws StateRestApiException {
testSetStateRequest(
"maintenance",
State.UP, State.UP,
NodeStateChangeChecker.Result.allowSettingOfWantedState(),
Optional.of(State.MAINTENANCE), Optional.of(State.DOWN));
}
@Test
void testProbingDoesntChangeState() throws StateRestApiException {
probe = true;
testSetStateRequest(
"maintenance",
State.UP, State.UP,
NodeStateChangeChecker.Result.allowSettingOfWantedState(),
Optional.empty(), Optional.empty());
}
@Test
void testUpToDown() throws StateRestApiException {
testSetStateRequest(
"down",
State.UP, State.UP,
NodeStateChangeChecker.Result.allowSettingOfWantedState(),
Optional.of(State.DOWN), Optional.of(State.DOWN));
}
@Test
void testMaintenanceToUp() throws StateRestApiException {
testSetStateRequest(
"up",
State.MAINTENANCE, State.DOWN,
NodeStateChangeChecker.Result.allowSettingOfWantedState(),
Optional.of(State.UP), Optional.of(State.UP));
}
@Test
void testDownToUp() throws StateRestApiException {
testSetStateRequest(
"up",
State.DOWN, State.DOWN,
NodeStateChangeChecker.Result.allowSettingOfWantedState(),
Optional.of(State.UP), Optional.of(State.UP));
}
@Test
void testOnlyStorageInMaintenaceToMaintenance() throws StateRestApiException {
testSetStateRequest(
"maintenance",
State.MAINTENANCE, State.UP,
NodeStateChangeChecker.Result.createAlreadySet(),
Optional.empty(), Optional.of(State.DOWN));
}
@Test
void testNoOpMaintenaceToMaintenance() throws StateRestApiException {
testSetStateRequest(
"maintenance",
State.MAINTENANCE, State.DOWN,
NodeStateChangeChecker.Result.createAlreadySet(),
Optional.empty(), Optional.empty());
}
private void testSetStateRequest(
String wantedStateString,
State storageWantedState,
State distributorWantedState,
NodeStateChangeChecker.Result result,
Optional<State> expectedNewStorageWantedState,
Optional<State> expectedNewDistributorWantedState) throws StateRestApiException {
when(cluster.hasConfiguredNode(NODE_INDEX)).thenReturn(true);
NodeInfo storageNodeInfo = mock(NodeInfo.class);
when(cluster.getNodeInfo(storageNode)).thenReturn(storageNodeInfo);
NodeState storageNodeState = new NodeState(NodeType.STORAGE, storageWantedState);
when(storageNodeInfo.getUserWantedState()).thenReturn(storageNodeState);
when(unitState.getId()).thenReturn(wantedStateString);
when(unitState.getReason()).thenReturn(REASON);
when(cluster.calculateEffectOfNewState(any(), any(), any(), any(), any(), anyBoolean())).thenReturn(result);
when(storageNodeInfo.isStorage()).thenReturn(storageNode.getType() == NodeType.STORAGE);
when(storageNodeInfo.getNodeIndex()).thenReturn(storageNode.getIndex());
NodeInfo distributorNodeInfo = mock(NodeInfo.class);
Node distributorNode = new Node(NodeType.DISTRIBUTOR, NODE_INDEX);
when(cluster.getNodeInfo(distributorNode)).thenReturn(distributorNodeInfo);
NodeState distributorNodeState = new NodeState(distributorNode.getType(), distributorWantedState);
if (distributorWantedState != State.UP) {
distributorNodeState.setDescription(REASON);
}
when(distributorNodeInfo.getUserWantedState()).thenReturn(distributorNodeState);
setWantedState();
if (expectedNewStorageWantedState.isPresent()) {
NodeState expectedNewStorageNodeState =
new NodeState(NodeType.STORAGE, expectedNewStorageWantedState.get());
verify(storageNodeInfo).setWantedState(expectedNewStorageNodeState);
verify(stateListener).handleNewWantedNodeState(storageNodeInfo, expectedNewStorageNodeState);
} else {
verify(storageNodeInfo, times(0)).setWantedState(any());
verify(stateListener, times(0)).handleNewWantedNodeState(eq(storageNodeInfo), any());
}
if (expectedNewDistributorWantedState.isPresent()) {
NodeState expectedNewDistributorNodeState =
new NodeState(NodeType.DISTRIBUTOR, expectedNewDistributorWantedState.get());
verify(distributorNodeInfo).setWantedState(expectedNewDistributorNodeState);
verify(stateListener).handleNewWantedNodeState(distributorNodeInfo, expectedNewDistributorNodeState);
} else {
verify(distributorNodeInfo, times(0)).setWantedState(any());
verify(stateListener, times(0)).handleNewWantedNodeState(eq(distributorNodeInfo), any());
}
}
private SetResponse setWantedState() throws StateRestApiException {
return SetNodeStateRequest.setWantedState(
cluster,
condition,
newStates,
storageNode,
stateListener,
currentClusterState,
inMasterMoratorium,
probe);
}
}
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