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Allow running an extra spawn for local branch of dynamic execution.
Allow `DynamicExecutionModule` to specify an extra spawn to be ran in the local branch. Add support in `DynamicSpawnStrategy` for running the extra spawn when it is provided. PiperOrigin-RevId: 344826682
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src/test/java/com/google/devtools/build/lib/dynamic/DynamicSpawnStrategyUnitTest.java
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| // Copyright 2020 The Bazel Authors. All rights reserved. | ||
| // | ||
| // Licensed 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 | ||
| // | ||
| // http://www.apache.org/licenses/LICENSE-2.0 | ||
| // | ||
| // 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 | ||
| // limitations under the License. | ||
| package com.google.devtools.build.lib.dynamic; | ||
|
|
||
| import static com.google.common.base.Preconditions.checkState; | ||
| import static com.google.common.truth.Truth.assertThat; | ||
| import static java.util.concurrent.TimeUnit.MILLISECONDS; | ||
| import static org.mockito.ArgumentMatchers.any; | ||
| import static org.mockito.ArgumentMatchers.eq; | ||
| import static org.mockito.ArgumentMatchers.isNotNull; | ||
| import static org.mockito.ArgumentMatchers.isNull; | ||
| import static org.mockito.Mockito.mock; | ||
| import static org.mockito.Mockito.never; | ||
| import static org.mockito.Mockito.verify; | ||
| import static org.mockito.Mockito.verifyZeroInteractions; | ||
| import static org.mockito.Mockito.when; | ||
|
|
||
| import com.google.common.collect.ImmutableList; | ||
| import com.google.devtools.build.lib.actions.ActionExecutionContext; | ||
| import com.google.devtools.build.lib.actions.DynamicStrategyRegistry; | ||
| import com.google.devtools.build.lib.actions.SandboxedSpawnStrategy; | ||
| import com.google.devtools.build.lib.actions.SandboxedSpawnStrategy.StopConcurrentSpawns; | ||
| import com.google.devtools.build.lib.actions.Spawn; | ||
| import com.google.devtools.build.lib.actions.SpawnResult; | ||
| import com.google.devtools.build.lib.actions.SpawnResult.Status; | ||
| import com.google.devtools.build.lib.exec.ExecutionPolicy; | ||
| import com.google.devtools.build.lib.exec.util.SpawnBuilder; | ||
| import com.google.devtools.build.lib.server.FailureDetails.Execution; | ||
| import com.google.devtools.build.lib.server.FailureDetails.FailureDetail; | ||
| import com.google.devtools.build.lib.testutil.TestFileOutErr; | ||
| import com.google.devtools.build.lib.testutil.TestUtils; | ||
| import java.util.Optional; | ||
| import java.util.concurrent.ExecutorService; | ||
| import java.util.concurrent.Executors; | ||
| import java.util.concurrent.Semaphore; | ||
| import java.util.function.Function; | ||
| import org.junit.After; | ||
| import org.junit.Before; | ||
| import org.junit.Test; | ||
| import org.junit.runner.RunWith; | ||
| import org.junit.runners.JUnit4; | ||
| import org.mockito.ArgumentCaptor; | ||
| import org.mockito.Mock; | ||
| import org.mockito.MockitoAnnotations; | ||
|
|
||
| /** Unit tests for {@link DynamicSpawnStrategy}. */ | ||
| @RunWith(JUnit4.class) | ||
| public class DynamicSpawnStrategyUnitTest { | ||
|
|
||
| private static final SpawnResult SUCCESSFUL_SPAWN_RESULT = | ||
| new SpawnResult.Builder().setRunnerName("test").setStatus(Status.SUCCESS).build(); | ||
| private static final FailureDetail FAILURE_DETAIL = | ||
| FailureDetail.newBuilder().setExecution(Execution.getDefaultInstance()).build(); | ||
|
|
||
| private ExecutorService executorServiceForCleanup; | ||
|
|
||
| @Mock private Function<Spawn, Optional<Spawn>> mockGetPostProcessingSpawn; | ||
|
|
||
| @Before | ||
| public void initMocks() { | ||
| MockitoAnnotations.initMocks(this); | ||
| } | ||
|
|
||
| @After | ||
| public void stopExecutorService() throws InterruptedException { | ||
| executorServiceForCleanup.shutdown(); | ||
| assertThat( | ||
| executorServiceForCleanup.awaitTermination( | ||
| TestUtils.WAIT_TIMEOUT_MILLISECONDS, MILLISECONDS)) | ||
| .isTrue(); | ||
| } | ||
|
|
||
| @Test | ||
| public void exec_remoteOnlySpawn_doesNotGetLocalPostProcessingSpawn() throws Exception { | ||
| DynamicSpawnStrategy dynamicSpawnStrategy = | ||
| createDynamicSpawnStrategy( | ||
| ExecutionPolicy.REMOTE_EXECUTION_ONLY, mockGetPostProcessingSpawn); | ||
| SandboxedSpawnStrategy local = createMockSpawnStrategy(); | ||
| SandboxedSpawnStrategy remote = createMockSpawnStrategy(); | ||
| ArgumentCaptor<Spawn> remoteSpawnCaptor = ArgumentCaptor.forClass(Spawn.class); | ||
| when(remote.exec(remoteSpawnCaptor.capture(), any(), any())) | ||
| .thenReturn(ImmutableList.of(SUCCESSFUL_SPAWN_RESULT)); | ||
| ActionExecutionContext actionExecutionContext = createMockActionExecutionContext(local, remote); | ||
| Spawn spawn = new SpawnBuilder().build(); | ||
|
|
||
| ImmutableList<SpawnResult> results = dynamicSpawnStrategy.exec(spawn, actionExecutionContext); | ||
|
|
||
| assertThat(results).containsExactly(SUCCESSFUL_SPAWN_RESULT); | ||
| verify(mockGetPostProcessingSpawn, never()).apply(any()); | ||
| verify(local, never()).exec(any(), any(), any()); | ||
| assertThat(remoteSpawnCaptor.getAllValues()).containsExactly(spawn); | ||
| } | ||
|
|
||
| @Test | ||
| public void exec_localOnlySpawn_runsLocalPostProcessingSpawn() throws Exception { | ||
| Spawn spawn = new SpawnBuilder("command").build(); | ||
| Spawn postProcessingSpawn = new SpawnBuilder("extra_command").build(); | ||
| DynamicSpawnStrategy dynamicSpawnStrategy = | ||
| createDynamicSpawnStrategy( | ||
| ExecutionPolicy.LOCAL_EXECUTION_ONLY, ignored -> Optional.of(postProcessingSpawn)); | ||
| SandboxedSpawnStrategy local = createMockSpawnStrategy(); | ||
| ArgumentCaptor<Spawn> localSpawnCaptor = ArgumentCaptor.forClass(Spawn.class); | ||
| when(local.exec(localSpawnCaptor.capture(), any(), any())) | ||
| .thenReturn(ImmutableList.of(SUCCESSFUL_SPAWN_RESULT)); | ||
| SandboxedSpawnStrategy remote = createMockSpawnStrategy(); | ||
| ActionExecutionContext actionExecutionContext = createMockActionExecutionContext(local, remote); | ||
|
|
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| ImmutableList<SpawnResult> results = dynamicSpawnStrategy.exec(spawn, actionExecutionContext); | ||
|
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||
| assertThat(results).containsExactly(SUCCESSFUL_SPAWN_RESULT, SUCCESSFUL_SPAWN_RESULT); | ||
| verifyZeroInteractions(remote); | ||
| assertThat(localSpawnCaptor.getAllValues()) | ||
| .containsExactly(spawn, postProcessingSpawn) | ||
| .inOrder(); | ||
| } | ||
|
|
||
| @Test | ||
| public void exec_failedLocalSpawn_doesNotGetLocalPostProcessingSpawn() throws Exception { | ||
| testExecFailedLocalSpawnDoesNotGetLocalPostProcessingSpawn( | ||
| new SpawnResult.Builder() | ||
| .setRunnerName("test") | ||
| .setStatus(Status.TIMEOUT) | ||
| .setExitCode(SpawnResult.POSIX_TIMEOUT_EXIT_CODE) | ||
| .setFailureDetail(FAILURE_DETAIL) | ||
| .build()); | ||
| } | ||
|
|
||
| @Test | ||
| public void exec_nonZeroExitCodeLocalSpawn_doesNotGetLocalPostProcessingSpawn() throws Exception { | ||
| testExecFailedLocalSpawnDoesNotGetLocalPostProcessingSpawn( | ||
| new SpawnResult.Builder() | ||
| .setRunnerName("test") | ||
| .setStatus(Status.EXECUTION_FAILED) | ||
| .setExitCode(123) | ||
| .setFailureDetail(FAILURE_DETAIL) | ||
| .build()); | ||
| } | ||
|
|
||
| private void testExecFailedLocalSpawnDoesNotGetLocalPostProcessingSpawn(SpawnResult failedResult) | ||
| throws Exception { | ||
| DynamicSpawnStrategy dynamicSpawnStrategy = | ||
| createDynamicSpawnStrategy( | ||
| ExecutionPolicy.LOCAL_EXECUTION_ONLY, mockGetPostProcessingSpawn); | ||
| SandboxedSpawnStrategy local = createMockSpawnStrategy(); | ||
| ArgumentCaptor<Spawn> localSpawnCaptor = ArgumentCaptor.forClass(Spawn.class); | ||
| when(local.exec(localSpawnCaptor.capture(), any(), any())) | ||
| .thenReturn(ImmutableList.of(failedResult)); | ||
| SandboxedSpawnStrategy remote = createMockSpawnStrategy(); | ||
| ActionExecutionContext actionExecutionContext = createMockActionExecutionContext(local, remote); | ||
| Spawn spawn = new SpawnBuilder().build(); | ||
|
|
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| ImmutableList<SpawnResult> results = dynamicSpawnStrategy.exec(spawn, actionExecutionContext); | ||
|
|
||
| assertThat(results).containsExactly(failedResult); | ||
| assertThat(localSpawnCaptor.getAllValues()).containsExactly(spawn); | ||
| verify(remote, never()).exec(any(), any(), any()); | ||
| verify(mockGetPostProcessingSpawn, never()).apply(any()); | ||
| } | ||
|
|
||
| @Test | ||
| public void exec_runAnywhereSpawn_runsLocalPostProcessingSpawn() throws Exception { | ||
| Spawn spawn = new SpawnBuilder().build(); | ||
| Spawn postProcessingSpawn = new SpawnBuilder("extra_command").build(); | ||
| DynamicSpawnStrategy dynamicSpawnStrategy = | ||
| createDynamicSpawnStrategy( | ||
| ExecutionPolicy.ANYWHERE, ignored -> Optional.of(postProcessingSpawn)); | ||
| SandboxedSpawnStrategy local = createMockSpawnStrategy(); | ||
| // Make sure that local execution does not win the race before remote starts. | ||
| Semaphore remoteStarted = new Semaphore(0); | ||
| // Only the first spawn should be able to stop the concurrent remote execution (get the output | ||
| // lock). | ||
| when(local.exec(eq(spawn), any(), /*stopConcurrentSpawns=*/ isNotNull())) | ||
| .thenAnswer( | ||
| invocation -> { | ||
| remoteStarted.acquire(); | ||
| StopConcurrentSpawns stopConcurrentSpawns = invocation.getArgument(2); | ||
| stopConcurrentSpawns.stop(); | ||
| return ImmutableList.of(SUCCESSFUL_SPAWN_RESULT); | ||
| }); | ||
| when(local.exec(eq(postProcessingSpawn), any(), /*stopConcurrentSpawns=*/ isNull())) | ||
| .thenReturn(ImmutableList.of(SUCCESSFUL_SPAWN_RESULT)); | ||
| SandboxedSpawnStrategy remote = createMockSpawnStrategy(); | ||
| when(remote.exec(eq(spawn), any(), any())) | ||
| .thenAnswer( | ||
| invocation -> { | ||
| remoteStarted.release(); | ||
| Thread.sleep(TestUtils.WAIT_TIMEOUT_MILLISECONDS); | ||
| throw new AssertionError("Timed out waiting for interruption"); | ||
| }); | ||
| ActionExecutionContext actionExecutionContext = createMockActionExecutionContext(local, remote); | ||
|
|
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| ImmutableList<SpawnResult> results = dynamicSpawnStrategy.exec(spawn, actionExecutionContext); | ||
|
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| assertThat(results).containsExactly(SUCCESSFUL_SPAWN_RESULT, SUCCESSFUL_SPAWN_RESULT); | ||
| } | ||
|
|
||
| private DynamicSpawnStrategy createDynamicSpawnStrategy( | ||
| ExecutionPolicy executionPolicy, | ||
| Function<Spawn, Optional<Spawn>> getPostProcessingSpawnForLocalExecution) { | ||
| checkState( | ||
| executorServiceForCleanup == null, | ||
| "Creating the DynamicSpawnStrategy twice in the same test is not supported."); | ||
| executorServiceForCleanup = Executors.newCachedThreadPool(); | ||
| return new DynamicSpawnStrategy( | ||
| executorServiceForCleanup, | ||
| new DynamicExecutionOptions(), | ||
| ignored -> executionPolicy, | ||
| getPostProcessingSpawnForLocalExecution); | ||
| } | ||
|
|
||
| private static ActionExecutionContext createMockActionExecutionContext( | ||
| SandboxedSpawnStrategy localStrategy, SandboxedSpawnStrategy remoteStrategy) { | ||
| ActionExecutionContext actionExecutionContext = mock(ActionExecutionContext.class); | ||
| when(actionExecutionContext.getFileOutErr()).thenReturn(new TestFileOutErr()); | ||
| when(actionExecutionContext.getContext(DynamicStrategyRegistry.class)) | ||
| .thenReturn( | ||
| new DynamicStrategyRegistry() { | ||
| @Override | ||
| public ImmutableList<SandboxedSpawnStrategy> getDynamicSpawnActionContexts( | ||
| Spawn spawn, DynamicMode dynamicMode) { | ||
| switch (dynamicMode) { | ||
| case LOCAL: | ||
| return ImmutableList.of(localStrategy); | ||
| case REMOTE: | ||
| return ImmutableList.of(remoteStrategy); | ||
| } | ||
| throw new AssertionError("Unexpected mode: " + dynamicMode); | ||
| } | ||
|
|
||
| @Override | ||
| public void notifyUsedDynamic(ActionContextRegistry actionContextRegistry) {} | ||
| }); | ||
| when(actionExecutionContext.withFileOutErr(any())).thenReturn(actionExecutionContext); | ||
| return actionExecutionContext; | ||
| } | ||
|
|
||
| private static SandboxedSpawnStrategy createMockSpawnStrategy() throws InterruptedException { | ||
| SandboxedSpawnStrategy strategy = mock(SandboxedSpawnStrategy.class); | ||
| when(strategy.canExec(any(), any())).thenReturn(true); | ||
| when(strategy.beginExecution(any(), any())).thenThrow(UnsupportedOperationException.class); | ||
| return strategy; | ||
| } | ||
| } |