TestSingleConstraintAppPlacementAllocator.java
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* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
* <p>
* http://www.apache.org/licenses/LICENSE-2.0
* <p>
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
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package org.apache.hadoop.yarn.server.resourcemanager.scheduler.placement;
import org.apache.hadoop.yarn.api.records.*;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.constraint.AllocationTags;
import org.apache.hadoop.yarn.api.resource.PlacementConstraints;
import org.apache.hadoop.yarn.exceptions.SchedulerInvalidResourceRequestException;
import org.apache.hadoop.yarn.server.resourcemanager.RMContext;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.AppSchedulingInfo;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.NodeType;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.SchedulerNode;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.SchedulingMode;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.TestUtils;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.constraint.AllocationTagsManager;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.constraint.InvalidAllocationTagsQueryException;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.constraint.MemoryPlacementConstraintManager;
import org.apache.hadoop.yarn.server.resourcemanager.scheduler.constraint.PlacementConstraintManager;
import org.apache.hadoop.yarn.server.scheduler.SchedulerRequestKey;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;
import java.util.HashSet;
import java.util.Set;
import java.util.function.LongBinaryOperator;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertFalse;
import static org.junit.jupiter.api.Assertions.assertTrue;
import static org.junit.jupiter.api.Assertions.fail;
import static org.mockito.ArgumentMatchers.any;
import static org.mockito.Mockito.atLeast;
import static org.mockito.Mockito.eq;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.spy;
import static org.mockito.Mockito.times;
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.when;
/**
* Test behaviors of single constraint app placement allocator.
*/
public class TestSingleConstraintAppPlacementAllocator {
private AppSchedulingInfo appSchedulingInfo;
private AllocationTagsManager spyAllocationTagsManager;
private RMContext rmContext;
private SchedulerRequestKey schedulerRequestKey;
private SingleConstraintAppPlacementAllocator allocator;
@BeforeEach
public void setup() throws Exception {
// stub app scheduling info.
appSchedulingInfo = mock(AppSchedulingInfo.class);
when(appSchedulingInfo.getApplicationId()).thenReturn(
TestUtils.getMockApplicationId(1));
when(appSchedulingInfo.getApplicationAttemptId()).thenReturn(
TestUtils.getMockApplicationAttemptId(1, 1));
when(appSchedulingInfo.getDefaultNodeLabelExpression()).thenReturn("y");
// stub RMContext
rmContext = TestUtils.getMockRMContext();
// Create allocation tags manager
AllocationTagsManager allocationTagsManager = new AllocationTagsManager(
rmContext);
PlacementConstraintManager placementConstraintManager =
new MemoryPlacementConstraintManager();
spyAllocationTagsManager = spy(allocationTagsManager);
schedulerRequestKey = new SchedulerRequestKey(Priority.newInstance(1), 2L,
TestUtils.getMockContainerId(1, 1));
rmContext.setAllocationTagsManager(spyAllocationTagsManager);
rmContext.setPlacementConstraintManager(placementConstraintManager);
// Create allocator
allocator = new SingleConstraintAppPlacementAllocator();
allocator.initialize(appSchedulingInfo, schedulerRequestKey, rmContext);
}
private void assertValidSchedulingRequest(
SchedulingRequest schedulingRequest) {
// Create allocator to avoid fields polluted by previous runs
allocator = new SingleConstraintAppPlacementAllocator();
allocator.initialize(appSchedulingInfo, schedulerRequestKey, rmContext);
allocator.updatePendingAsk(schedulerRequestKey, schedulingRequest, false);
}
private void assertInvalidSchedulingRequest(
SchedulingRequest schedulingRequest, boolean recreateAllocator) {
try {
// Create allocator
if (recreateAllocator) {
allocator = new SingleConstraintAppPlacementAllocator();
allocator.initialize(appSchedulingInfo, schedulerRequestKey, rmContext);
}
allocator.updatePendingAsk(schedulerRequestKey, schedulingRequest, false);
} catch (SchedulerInvalidResourceRequestException e) {
// Expected
return;
}
fail("Expect failure for schedulingRequest=" + schedulingRequest.toString());
}
@Test
public void testSchedulingRequestValidation() {
// Valid
assertValidSchedulingRequest(SchedulingRequest.newBuilder().executionType(
ExecutionTypeRequest.newInstance(ExecutionType.GUARANTEED))
.allocationRequestId(10L).priority(Priority.newInstance(1))
.placementConstraintExpression(PlacementConstraints
.targetNotIn(PlacementConstraints.NODE,
PlacementConstraints.PlacementTargets
.allocationTag("mapper", "reducer"),
PlacementConstraints.PlacementTargets.nodePartition(""))
.build()).resourceSizing(
ResourceSizing.newInstance(1, Resource.newInstance(1024, 1)))
.build());
assertEquals("", allocator.getTargetNodePartition());
// Valid (with partition)
assertValidSchedulingRequest(SchedulingRequest.newBuilder().executionType(
ExecutionTypeRequest.newInstance(ExecutionType.GUARANTEED))
.allocationRequestId(10L).priority(Priority.newInstance(1))
.placementConstraintExpression(PlacementConstraints
.targetNotIn(PlacementConstraints.NODE,
PlacementConstraints.PlacementTargets
.allocationTag("mapper", "reducer"),
PlacementConstraints.PlacementTargets.nodePartition("x"))
.build()).resourceSizing(
ResourceSizing.newInstance(1, Resource.newInstance(1024, 1)))
.build());
assertEquals("x", allocator.getTargetNodePartition());
// Valid (without specifying node partition)
assertValidSchedulingRequest(SchedulingRequest.newBuilder().executionType(
ExecutionTypeRequest.newInstance(ExecutionType.GUARANTEED))
.allocationRequestId(10L).priority(Priority.newInstance(1))
.placementConstraintExpression(PlacementConstraints
.targetNotIn(PlacementConstraints.NODE,
PlacementConstraints.PlacementTargets
.allocationTag("mapper", "reducer")).build())
.resourceSizing(
ResourceSizing.newInstance(1, Resource.newInstance(1024, 1)))
.build());
// Node partition is unspecified, use the default node label expression y
assertEquals("y", allocator.getTargetNodePartition());
// Valid (with application Id target)
assertValidSchedulingRequest(SchedulingRequest.newBuilder().executionType(
ExecutionTypeRequest.newInstance(ExecutionType.GUARANTEED))
.allocationRequestId(10L).priority(Priority.newInstance(1))
.placementConstraintExpression(PlacementConstraints
.targetNotIn(PlacementConstraints.NODE,
PlacementConstraints.PlacementTargets
.allocationTag("mapper", "reducer")).build())
.resourceSizing(
ResourceSizing.newInstance(1, Resource.newInstance(1024, 1)))
.build());
// Allocation tags should not include application Id
assertEquals("y", allocator.getTargetNodePartition());
// Invalid (without sizing)
assertInvalidSchedulingRequest(SchedulingRequest.newBuilder().executionType(
ExecutionTypeRequest.newInstance(ExecutionType.GUARANTEED))
.allocationRequestId(10L).priority(Priority.newInstance(1))
.placementConstraintExpression(PlacementConstraints
.targetNotIn(PlacementConstraints.NODE,
PlacementConstraints.PlacementTargets
.allocationTag("mapper", "reducer")).build())
.build(), true);
// Invalid (without target tags)
assertInvalidSchedulingRequest(SchedulingRequest.newBuilder().executionType(
ExecutionTypeRequest.newInstance(ExecutionType.GUARANTEED))
.allocationRequestId(10L).priority(Priority.newInstance(1))
.placementConstraintExpression(PlacementConstraints
.targetNotIn(PlacementConstraints.NODE).build())
.build(), true);
// Invalid (not GUARANTEED)
assertInvalidSchedulingRequest(SchedulingRequest.newBuilder().executionType(
ExecutionTypeRequest.newInstance(ExecutionType.OPPORTUNISTIC))
.allocationRequestId(10L).priority(Priority.newInstance(1))
.placementConstraintExpression(PlacementConstraints
.targetNotIn(PlacementConstraints.NODE,
PlacementConstraints.PlacementTargets
.allocationTag("mapper", "reducer"),
PlacementConstraints.PlacementTargets.nodePartition(""))
.build()).resourceSizing(
ResourceSizing.newInstance(1, Resource.newInstance(1024, 1)))
.build(), true);
}
@Test
public void testSchedulingRequestUpdate() {
SchedulingRequest schedulingRequest =
SchedulingRequest.newBuilder().executionType(
ExecutionTypeRequest.newInstance(ExecutionType.GUARANTEED))
.allocationRequestId(10L).priority(Priority.newInstance(1))
.placementConstraintExpression(PlacementConstraints
.targetNotIn(PlacementConstraints.NODE,
PlacementConstraints.PlacementTargets
.allocationTag("mapper", "reducer"),
PlacementConstraints.PlacementTargets.nodePartition(""))
.build()).resourceSizing(
ResourceSizing.newInstance(1, Resource.newInstance(1024, 1)))
.build();
allocator.updatePendingAsk(schedulerRequestKey, schedulingRequest, false);
// Update allocator with exactly same scheduling request, should succeeded.
allocator.updatePendingAsk(schedulerRequestKey, schedulingRequest, false);
// Update allocator with scheduling request different at #allocations,
// should succeeded.
schedulingRequest.getResourceSizing().setNumAllocations(10);
allocator.updatePendingAsk(schedulerRequestKey, schedulingRequest, false);
// Update allocator with a newly constructed scheduling request different at
// #allocations, should succeeded.
SchedulingRequest newSchedulingRequest =
SchedulingRequest.newBuilder().executionType(
ExecutionTypeRequest.newInstance(ExecutionType.GUARANTEED))
.allocationRequestId(10L).priority(Priority.newInstance(1))
.placementConstraintExpression(PlacementConstraints
.targetNotIn(PlacementConstraints.NODE,
PlacementConstraints.PlacementTargets.nodePartition(""),
PlacementConstraints.PlacementTargets
.allocationTag("mapper", "reducer"))
.build()).resourceSizing(
ResourceSizing.newInstance(11, Resource.newInstance(1024, 1)))
.build();
allocator.updatePendingAsk(schedulerRequestKey, newSchedulingRequest, false);
// Update allocator with scheduling request different at resource,
// should failed.
schedulingRequest.getResourceSizing().setResources(
Resource.newInstance(2048, 1));
assertInvalidSchedulingRequest(schedulingRequest, false);
// Update allocator with a different placement target (allocator tag),
// should failed
schedulingRequest = SchedulingRequest.newBuilder().executionType(
ExecutionTypeRequest.newInstance(ExecutionType.GUARANTEED))
.allocationRequestId(10L).priority(Priority.newInstance(1))
.placementConstraintExpression(PlacementConstraints
.targetCardinality(PlacementConstraints.NODE, 0, 1,
PlacementConstraints.PlacementTargets
.allocationTag("mapper"),
PlacementConstraints.PlacementTargets.nodePartition(""))
.build()).resourceSizing(
ResourceSizing.newInstance(1, Resource.newInstance(1024, 1)))
.build();
assertInvalidSchedulingRequest(schedulingRequest, false);
// Update allocator with recover == true
int existingNumAllocations =
allocator.getSchedulingRequest().getResourceSizing()
.getNumAllocations();
schedulingRequest = SchedulingRequest.newBuilder().executionType(
ExecutionTypeRequest.newInstance(ExecutionType.GUARANTEED))
.allocationRequestId(10L).priority(Priority.newInstance(1))
.placementConstraintExpression(PlacementConstraints
.targetNotIn(PlacementConstraints.NODE,
PlacementConstraints.PlacementTargets
.allocationTag("mapper", "reducer"),
PlacementConstraints.PlacementTargets.nodePartition(""))
.build()).resourceSizing(
ResourceSizing.newInstance(1, Resource.newInstance(1024, 1)))
.build();
allocator.updatePendingAsk(schedulerRequestKey, schedulingRequest, true);
assertEquals(existingNumAllocations + 1,
allocator.getSchedulingRequest().getResourceSizing()
.getNumAllocations());
}
@Test
public void testFunctionality() throws InvalidAllocationTagsQueryException {
SchedulingRequest schedulingRequest =
SchedulingRequest.newBuilder().executionType(
ExecutionTypeRequest.newInstance(ExecutionType.GUARANTEED))
.allocationRequestId(10L).priority(Priority.newInstance(1))
.placementConstraintExpression(PlacementConstraints
.targetNotIn(PlacementConstraints.NODE,
PlacementConstraints.PlacementTargets
.allocationTag("mapper", "reducer"),
PlacementConstraints.PlacementTargets.nodePartition(""))
.build()).resourceSizing(
ResourceSizing.newInstance(1, Resource.newInstance(1024, 1)))
.build();
allocator.updatePendingAsk(schedulerRequestKey, schedulingRequest, false);
allocator.canAllocate(NodeType.NODE_LOCAL,
TestUtils.getMockNode("host1", "/rack1", 123, 1024));
verify(spyAllocationTagsManager, times(1)).getNodeCardinalityByOp(
eq(NodeId.fromString("host1:123")), any(AllocationTags.class),
any(LongBinaryOperator.class));
allocator = new SingleConstraintAppPlacementAllocator();
allocator.initialize(appSchedulingInfo, schedulerRequestKey, rmContext);
// Valid (with partition)
schedulingRequest = SchedulingRequest.newBuilder().executionType(
ExecutionTypeRequest.newInstance(ExecutionType.GUARANTEED))
.allocationRequestId(10L).priority(Priority.newInstance(1))
.placementConstraintExpression(PlacementConstraints
.targetNotIn(PlacementConstraints.NODE,
PlacementConstraints.PlacementTargets
.allocationTag("mapper", "reducer"),
PlacementConstraints.PlacementTargets.nodePartition("x"))
.build()).resourceSizing(
ResourceSizing.newInstance(1, Resource.newInstance(1024, 1)))
.build();
allocator.updatePendingAsk(schedulerRequestKey, schedulingRequest, false);
allocator.canAllocate(NodeType.NODE_LOCAL,
TestUtils.getMockNode("host1", "/rack1", 123, 1024));
verify(spyAllocationTagsManager, atLeast(1)).getNodeCardinalityByOp(
eq(NodeId.fromString("host1:123")), any(AllocationTags.class),
any(LongBinaryOperator.class));
SchedulerNode node1 = mock(SchedulerNode.class);
when(node1.getPartition()).thenReturn("x");
when(node1.getNodeID()).thenReturn(NodeId.fromString("host1:123"));
assertTrue(allocator
.precheckNode(node1, SchedulingMode.RESPECT_PARTITION_EXCLUSIVITY));
SchedulerNode node2 = mock(SchedulerNode.class);
when(node1.getPartition()).thenReturn("");
when(node1.getNodeID()).thenReturn(NodeId.fromString("host2:123"));
assertFalse(allocator
.precheckNode(node2, SchedulingMode.RESPECT_PARTITION_EXCLUSIVITY));
}
@Test
public void testNodeAttributesFunctionality() {
// 1. Simple java=1.8 validation
SchedulingRequest schedulingRequest =
SchedulingRequest.newBuilder().executionType(
ExecutionTypeRequest.newInstance(ExecutionType.GUARANTEED))
.allocationRequestId(10L).priority(Priority.newInstance(1))
.placementConstraintExpression(PlacementConstraints
.targetNodeAttribute(PlacementConstraints.NODE,
NodeAttributeOpCode.EQ,
PlacementConstraints.PlacementTargets
.nodeAttribute("java", "1.8"),
PlacementConstraints.PlacementTargets.nodePartition(""))
.build()).resourceSizing(
ResourceSizing.newInstance(1, Resource.newInstance(1024, 1)))
.build();
allocator.updatePendingAsk(schedulerRequestKey, schedulingRequest, false);
Set<NodeAttribute> attributes = new HashSet<>();
attributes.add(
NodeAttribute.newInstance("java", NodeAttributeType.STRING, "1.8"));
boolean result = allocator.canAllocate(NodeType.NODE_LOCAL,
TestUtils.getMockNodeWithAttributes("host1", "/rack1", 123, 1024,
attributes));
assertTrue(result, "Allocation should be success for java=1.8");
// 2. verify python!=3 validation
SchedulingRequest schedulingRequest2 =
SchedulingRequest.newBuilder().executionType(
ExecutionTypeRequest.newInstance(ExecutionType.GUARANTEED))
.allocationRequestId(10L).priority(Priority.newInstance(1))
.placementConstraintExpression(PlacementConstraints
.targetNodeAttribute(PlacementConstraints.NODE,
NodeAttributeOpCode.NE,
PlacementConstraints.PlacementTargets
.nodeAttribute("python", "3"),
PlacementConstraints.PlacementTargets.nodePartition(""))
.build()).resourceSizing(
ResourceSizing.newInstance(1, Resource.newInstance(1024, 1)))
.build();
// Create allocator
allocator = new SingleConstraintAppPlacementAllocator();
allocator.initialize(appSchedulingInfo, schedulerRequestKey, rmContext);
allocator.updatePendingAsk(schedulerRequestKey, schedulingRequest2, false);
attributes = new HashSet<>();
result = allocator.canAllocate(NodeType.NODE_LOCAL,
TestUtils.getMockNodeWithAttributes("host1", "/rack1", 123, 1024,
attributes));
assertTrue(result, "Allocation should be success as python doesn't exist");
// 3. verify python!=3 validation when node has python=2
allocator = new SingleConstraintAppPlacementAllocator();
allocator.initialize(appSchedulingInfo, schedulerRequestKey, rmContext);
allocator.updatePendingAsk(schedulerRequestKey, schedulingRequest2, false);
attributes = new HashSet<>();
attributes.add(
NodeAttribute.newInstance("python", NodeAttributeType.STRING, "2"));
result = allocator.canAllocate(NodeType.NODE_LOCAL,
TestUtils.getMockNodeWithAttributes("host1", "/rack1", 123, 1024,
attributes));
assertTrue(result, "Allocation should be success as python=3 doesn't exist in node");
// 4. verify python!=3 validation when node has python=3
allocator = new SingleConstraintAppPlacementAllocator();
allocator.initialize(appSchedulingInfo, schedulerRequestKey, rmContext);
allocator.updatePendingAsk(schedulerRequestKey, schedulingRequest2, false);
attributes = new HashSet<>();
attributes.add(
NodeAttribute.newInstance("python", NodeAttributeType.STRING, "3"));
result = allocator.canAllocate(NodeType.NODE_LOCAL,
TestUtils.getMockNodeWithAttributes("host1", "/rack1", 123, 1024,
attributes));
assertFalse(result, "Allocation should fail as python=3 exist in node");
}
@Test
public void testConjunctionNodeAttributesFunctionality() {
// 1. verify and(python!=3:java=1.8) validation when node has python=3
SchedulingRequest schedulingRequest1 =
SchedulingRequest.newBuilder().executionType(
ExecutionTypeRequest.newInstance(ExecutionType.GUARANTEED))
.allocationRequestId(10L).priority(Priority.newInstance(1))
.placementConstraintExpression(
PlacementConstraints.and(
PlacementConstraints
.targetNodeAttribute(PlacementConstraints.NODE,
NodeAttributeOpCode.NE,
PlacementConstraints.PlacementTargets
.nodeAttribute("python", "3")),
PlacementConstraints
.targetNodeAttribute(PlacementConstraints.NODE,
NodeAttributeOpCode.EQ,
PlacementConstraints.PlacementTargets
.nodeAttribute("java", "1.8")))
.build()).resourceSizing(
ResourceSizing.newInstance(1, Resource.newInstance(1024, 1)))
.build();
allocator = new SingleConstraintAppPlacementAllocator();
allocator.initialize(appSchedulingInfo, schedulerRequestKey, rmContext);
allocator.updatePendingAsk(schedulerRequestKey, schedulingRequest1, false);
Set<NodeAttribute> attributes = new HashSet<>();
attributes.add(
NodeAttribute.newInstance("python", NodeAttributeType.STRING, "3"));
attributes.add(
NodeAttribute.newInstance("java", NodeAttributeType.STRING, "1.8"));
boolean result = allocator.canAllocate(NodeType.NODE_LOCAL,
TestUtils.getMockNodeWithAttributes("host1", "/rack1", 123, 1024,
attributes));
assertFalse(result, "Allocation should fail as python=3 exists in node");
// 2. verify and(python!=3:java=1.8) validation when node has python=2
// and java=1.8
allocator = new SingleConstraintAppPlacementAllocator();
allocator.initialize(appSchedulingInfo, schedulerRequestKey, rmContext);
allocator.updatePendingAsk(schedulerRequestKey, schedulingRequest1, false);
attributes = new HashSet<>();
attributes.add(
NodeAttribute.newInstance("python", NodeAttributeType.STRING, "2"));
attributes.add(
NodeAttribute.newInstance("java", NodeAttributeType.STRING, "1.8"));
result = allocator.canAllocate(NodeType.NODE_LOCAL,
TestUtils.getMockNodeWithAttributes("host1", "/rack1", 123, 1024,
attributes));
assertTrue(result, "Allocation should be success as python=2 exists in node");
// 3. verify or(python!=3:java=1.8) validation when node has python=3
SchedulingRequest schedulingRequest2 =
SchedulingRequest.newBuilder().executionType(
ExecutionTypeRequest.newInstance(ExecutionType.GUARANTEED))
.allocationRequestId(10L).priority(Priority.newInstance(1))
.placementConstraintExpression(
PlacementConstraints.or(
PlacementConstraints
.targetNodeAttribute(PlacementConstraints.NODE,
NodeAttributeOpCode.NE,
PlacementConstraints.PlacementTargets
.nodeAttribute("python", "3")),
PlacementConstraints
.targetNodeAttribute(PlacementConstraints.NODE,
NodeAttributeOpCode.EQ,
PlacementConstraints.PlacementTargets
.nodeAttribute("java", "1.8")))
.build()).resourceSizing(
ResourceSizing.newInstance(1, Resource.newInstance(1024, 1)))
.build();
allocator = new SingleConstraintAppPlacementAllocator();
allocator.initialize(appSchedulingInfo, schedulerRequestKey, rmContext);
allocator.updatePendingAsk(schedulerRequestKey, schedulingRequest2, false);
attributes = new HashSet<>();
attributes.add(
NodeAttribute.newInstance("python", NodeAttributeType.STRING, "3"));
attributes.add(
NodeAttribute.newInstance("java", NodeAttributeType.STRING, "1.8"));
result = allocator.canAllocate(NodeType.NODE_LOCAL,
TestUtils.getMockNodeWithAttributes("host1", "/rack1", 123, 1024,
attributes));
assertTrue(result, "Allocation should be success as java=1.8 exists in node");
// 4. verify or(python!=3:java=1.8) validation when node has python=3
// and java=1.7.
allocator = new SingleConstraintAppPlacementAllocator();
allocator.initialize(appSchedulingInfo, schedulerRequestKey, rmContext);
allocator.updatePendingAsk(schedulerRequestKey, schedulingRequest2, false);
attributes = new HashSet<>();
attributes.add(
NodeAttribute.newInstance("python", NodeAttributeType.STRING, "3"));
attributes.add(
NodeAttribute.newInstance("java", NodeAttributeType.STRING, "1.7"));
result = allocator.canAllocate(NodeType.NODE_LOCAL,
TestUtils.getMockNodeWithAttributes("host1", "/rack1", 123, 1024,
attributes));
assertFalse(result,
"Allocation should fail as java=1.8 doesnt exist in node");
}
}