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RemoteExecutionServiceTest.java
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// Copyright 2021 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.remote;
import static com.google.common.base.Preconditions.checkNotNull;
import static com.google.common.collect.ImmutableList.toImmutableList;
import static com.google.common.collect.ImmutableSortedMap.toImmutableSortedMap;
import static com.google.common.truth.Truth.assertThat;
import static com.google.common.truth.extensions.proto.ProtoTruth.assertThat;
import static com.google.common.util.concurrent.MoreExecutors.directExecutor;
import static com.google.devtools.build.lib.actions.ExecutionRequirements.REMOTE_EXECUTION_INLINE_OUTPUTS;
import static com.google.devtools.build.lib.remote.util.DigestUtil.toBinaryDigest;
import static com.google.devtools.build.lib.remote.util.Utils.getFromFuture;
import static com.google.devtools.build.lib.util.StringEncoding.unicodeToInternal;
import static com.google.devtools.build.lib.vfs.FileSystemUtils.readContent;
import static java.nio.charset.StandardCharsets.UTF_8;
import static java.util.Comparator.naturalOrder;
import static java.util.function.Function.identity;
import static org.junit.Assert.assertThrows;
import static org.mockito.ArgumentMatchers.any;
import static org.mockito.Mockito.doAnswer;
import static org.mockito.Mockito.doReturn;
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;
import build.bazel.remote.execution.v2.ActionCacheUpdateCapabilities;
import build.bazel.remote.execution.v2.ActionResult;
import build.bazel.remote.execution.v2.CacheCapabilities;
import build.bazel.remote.execution.v2.Digest;
import build.bazel.remote.execution.v2.Directory;
import build.bazel.remote.execution.v2.DirectoryNode;
import build.bazel.remote.execution.v2.ExecutionCapabilities;
import build.bazel.remote.execution.v2.FileNode;
import build.bazel.remote.execution.v2.NodeProperties;
import build.bazel.remote.execution.v2.NodeProperty;
import build.bazel.remote.execution.v2.OutputDirectory;
import build.bazel.remote.execution.v2.OutputFile;
import build.bazel.remote.execution.v2.OutputSymlink;
import build.bazel.remote.execution.v2.Platform;
import build.bazel.remote.execution.v2.RequestMetadata;
import build.bazel.remote.execution.v2.ServerCapabilities;
import build.bazel.remote.execution.v2.SymlinkAbsolutePathStrategy;
import build.bazel.remote.execution.v2.SymlinkNode;
import build.bazel.remote.execution.v2.Tree;
import com.google.common.base.Throwables;
import com.google.common.collect.ImmutableClassToInstanceMap;
import com.google.common.collect.ImmutableList;
import com.google.common.collect.ImmutableMap;
import com.google.common.collect.ImmutableSet;
import com.google.common.collect.Sets;
import com.google.common.eventbus.EventBus;
import com.google.common.util.concurrent.Futures;
import com.google.common.util.concurrent.SettableFuture;
import com.google.devtools.build.lib.actions.ActionInput;
import com.google.devtools.build.lib.actions.ActionInputHelper;
import com.google.devtools.build.lib.actions.ActionInputMap;
import com.google.devtools.build.lib.actions.ActionKeyContext;
import com.google.devtools.build.lib.actions.ActionOutputDirectoryHelper;
import com.google.devtools.build.lib.actions.ActionUploadFinishedEvent;
import com.google.devtools.build.lib.actions.ActionUploadStartedEvent;
import com.google.devtools.build.lib.actions.Artifact;
import com.google.devtools.build.lib.actions.Artifact.SpecialArtifact;
import com.google.devtools.build.lib.actions.ArtifactRoot;
import com.google.devtools.build.lib.actions.ArtifactRoot.RootType;
import com.google.devtools.build.lib.actions.ExecutionRequirements;
import com.google.devtools.build.lib.actions.PathMapper;
import com.google.devtools.build.lib.actions.ResourceSet;
import com.google.devtools.build.lib.actions.RunfilesTree;
import com.google.devtools.build.lib.actions.SimpleSpawn;
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.actions.StaticInputMetadataProvider;
import com.google.devtools.build.lib.actions.util.ActionsTestUtil;
import com.google.devtools.build.lib.analysis.SymlinkEntry;
import com.google.devtools.build.lib.analysis.config.BuildConfigurationValue.RunfileSymlinksMode;
import com.google.devtools.build.lib.analysis.constraints.ConstraintConstants;
import com.google.devtools.build.lib.analysis.platform.PlatformInfo;
import com.google.devtools.build.lib.clock.JavaClock;
import com.google.devtools.build.lib.collect.nestedset.NestedSet;
import com.google.devtools.build.lib.collect.nestedset.NestedSetBuilder;
import com.google.devtools.build.lib.collect.nestedset.Order;
import com.google.devtools.build.lib.events.Event;
import com.google.devtools.build.lib.events.EventKind;
import com.google.devtools.build.lib.events.Reporter;
import com.google.devtools.build.lib.events.StoredEventHandler;
import com.google.devtools.build.lib.exec.util.FakeOwner;
import com.google.devtools.build.lib.exec.util.SpawnBuilder;
import com.google.devtools.build.lib.remote.CombinedCache.CachedActionResult;
import com.google.devtools.build.lib.remote.RemoteExecutionService.RemoteActionResult;
import com.google.devtools.build.lib.remote.RemoteScrubbing.Config;
import com.google.devtools.build.lib.remote.common.BulkTransferException;
import com.google.devtools.build.lib.remote.common.RemoteActionExecutionContext;
import com.google.devtools.build.lib.remote.common.RemoteCacheClient.Blob;
import com.google.devtools.build.lib.remote.common.RemoteExecutionClient;
import com.google.devtools.build.lib.remote.common.RemotePathResolver;
import com.google.devtools.build.lib.remote.common.RemotePathResolver.DefaultRemotePathResolver;
import com.google.devtools.build.lib.remote.common.RemotePathResolver.SiblingRepositoryLayoutResolver;
import com.google.devtools.build.lib.remote.merkletree.MerkleTree;
import com.google.devtools.build.lib.remote.options.RemoteOptions;
import com.google.devtools.build.lib.remote.salt.CacheSalt;
import com.google.devtools.build.lib.remote.util.DigestUtil;
import com.google.devtools.build.lib.remote.util.FakeSpawnExecutionContext;
import com.google.devtools.build.lib.remote.util.InMemoryCacheClient;
import com.google.devtools.build.lib.remote.util.RxNoGlobalErrorsRule;
import com.google.devtools.build.lib.remote.util.TracingMetadataUtils;
import com.google.devtools.build.lib.remote.util.Utils.InMemoryOutput;
import com.google.devtools.build.lib.skyframe.TreeArtifactValue;
import com.google.devtools.build.lib.testutil.TestConstants;
import com.google.devtools.build.lib.util.Fingerprint;
import com.google.devtools.build.lib.util.OS;
import com.google.devtools.build.lib.util.TempPathGenerator;
import com.google.devtools.build.lib.util.io.FileOutErr;
import com.google.devtools.build.lib.vfs.DigestHashFunction;
import com.google.devtools.build.lib.vfs.FileSystem;
import com.google.devtools.build.lib.vfs.OutputPermissions;
import com.google.devtools.build.lib.vfs.OutputService;
import com.google.devtools.build.lib.vfs.Path;
import com.google.devtools.build.lib.vfs.PathFragment;
import com.google.devtools.build.lib.vfs.Symlinks;
import com.google.devtools.build.lib.vfs.SyscallCache;
import com.google.devtools.build.lib.vfs.inmemoryfs.InMemoryFileSystem;
import com.google.devtools.common.options.Options;
import com.google.protobuf.ByteString;
import com.google.testing.junit.testparameterinjector.TestParameter;
import com.google.testing.junit.testparameterinjector.TestParameterInjector;
import java.io.IOException;
import java.util.Collection;
import java.util.Random;
import java.util.SortedMap;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.Semaphore;
import java.util.concurrent.atomic.AtomicReference;
import javax.annotation.Nullable;
import org.junit.Before;
import org.junit.Rule;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.mockito.ArgumentMatchers;
import org.mockito.Mock;
import org.mockito.junit.MockitoJUnit;
import org.mockito.junit.MockitoRule;
/** Tests for {@link RemoteExecutionService}. */
@RunWith(TestParameterInjector.class)
public class RemoteExecutionServiceTest {
@Rule public final MockitoRule mockito = MockitoJUnit.rule();
@Rule public final RxNoGlobalErrorsRule rxNoGlobalErrorsRule = new RxNoGlobalErrorsRule();
@Mock private RemoteOutputChecker remoteOutputChecker; // download nothing by default.
@Mock private OutputService outputService;
private final DigestUtil digestUtil =
new DigestUtil(SyscallCache.NO_CACHE, DigestHashFunction.SHA256);
private final Reporter reporter = new Reporter(new EventBus());
private final StoredEventHandler eventHandler = new StoredEventHandler();
private final CacheCapabilities cacheCapabilities =
CacheCapabilities.newBuilder()
.setActionCacheUpdateCapabilities(
ActionCacheUpdateCapabilities.newBuilder().setUpdateEnabled(true).build())
.setSymlinkAbsolutePathStrategy(SymlinkAbsolutePathStrategy.Value.ALLOWED)
.build();
// In the past, Bazel only supports RemoteApi version 2.0.
// Use this to ensure we are backward compatible with Servers that only support 2.0.
private final ServerCapabilities legacyRemoteExecutorCapabilities =
ServerCapabilities.newBuilder()
.setCacheCapabilities(cacheCapabilities)
.setLowApiVersion(ApiVersion.twoPointZero.toSemVer())
.setHighApiVersion(ApiVersion.twoPointZero.toSemVer())
.setExecutionCapabilities(ExecutionCapabilities.newBuilder().setExecEnabled(true).build())
.build();
private final ServerCapabilities remoteExecutorCapabilities =
ServerCapabilities.newBuilder()
.setCacheCapabilities(cacheCapabilities)
.setLowApiVersion(ApiVersion.low.toSemVer())
.setHighApiVersion(ApiVersion.high.toSemVer())
.setExecutionCapabilities(ExecutionCapabilities.newBuilder().setExecEnabled(true).build())
.build();
RemoteOptions remoteOptions;
private FileSystem fs;
private Path execRoot;
private ArtifactRoot artifactRoot;
private TempPathGenerator tempPathGenerator;
private FakeActionInputFileCache fakeFileCache;
private RemotePathResolver remotePathResolver;
private FileOutErr outErr;
private InMemoryCombinedCache cache;
private RemoteExecutionClient executor;
private RemoteActionExecutionContext remoteActionExecutionContext;
@Before
public final void setUp() throws Exception {
reporter.addHandler(eventHandler);
remoteOptions = Options.getDefaults(RemoteOptions.class);
fs = new InMemoryFileSystem(new JavaClock(), DigestHashFunction.SHA256);
execRoot = fs.getPath("/execroot");
execRoot.createDirectoryAndParents();
artifactRoot = ArtifactRoot.asDerivedRoot(execRoot, RootType.Output, "outputs");
checkNotNull(artifactRoot.getRoot().asPath()).createDirectoryAndParents();
tempPathGenerator = new TempPathGenerator(fs.getPath("/execroot/_tmp/actions/remote"));
fakeFileCache = new FakeActionInputFileCache(execRoot);
remotePathResolver = new DefaultRemotePathResolver(execRoot);
Path stdout = fs.getPath("/tmp/stdout");
Path stderr = fs.getPath("/tmp/stderr");
checkNotNull(stdout.getParentDirectory()).createDirectoryAndParents();
checkNotNull(stderr.getParentDirectory()).createDirectoryAndParents();
outErr = new FileOutErr(stdout, stderr);
cache =
spy(new InMemoryCombinedCache(spy(new InMemoryCacheClient()), remoteOptions, digestUtil));
doReturn(remoteExecutorCapabilities).when(cache).getRemoteServerCapabilities();
executor = mock(RemoteExecutionClient.class);
when(executor.getServerCapabilities()).thenReturn(remoteExecutorCapabilities);
RequestMetadata metadata =
TracingMetadataUtils.buildMetadata("none", "none", "action-id", null);
remoteActionExecutionContext = RemoteActionExecutionContext.create(metadata);
}
@Test
public void buildRemoteAction_withRegularFileAsOutput() throws Exception {
PathFragment execPath = execRoot.getRelative("path/to/tree").asFragment();
Spawn spawn =
new SpawnBuilder("dummy")
.withOutput(ActionsTestUtil.createArtifactWithExecPath(artifactRoot, execPath))
.build();
FakeSpawnExecutionContext context = newSpawnExecutionContext(spawn);
RemoteExecutionService service = newRemoteExecutionService();
RemoteAction remoteAction = service.buildRemoteAction(spawn, context);
assertThat(remoteAction.getCommand().getOutputFilesList()).isEmpty();
assertThat(remoteAction.getCommand().getOutputDirectoriesList()).isEmpty();
assertThat(remoteAction.getCommand().getOutputPathsList()).containsExactly(execPath.toString());
}
@Test
public void legacy_buildRemoteAction_withRegularFileAsOutput() throws Exception {
doReturn(legacyRemoteExecutorCapabilities).when(cache).getRemoteServerCapabilities();
when(executor.getServerCapabilities()).thenReturn(legacyRemoteExecutorCapabilities);
PathFragment execPath = execRoot.getRelative("path/to/tree").asFragment();
Spawn spawn =
new SpawnBuilder("dummy")
.withOutput(ActionsTestUtil.createArtifactWithExecPath(artifactRoot, execPath))
.build();
FakeSpawnExecutionContext context = newSpawnExecutionContext(spawn);
RemoteExecutionService service = newRemoteExecutionService();
RemoteAction remoteAction = service.buildRemoteAction(spawn, context);
assertThat(remoteAction.getCommand().getOutputFilesList()).containsExactly(execPath.toString());
assertThat(remoteAction.getCommand().getOutputDirectoriesList()).isEmpty();
assertThat(remoteAction.getCommand().getOutputPathsList()).isEmpty();
}
@Test
public void buildRemoteAction_withTreeArtifactAsOutput() throws Exception {
Spawn spawn =
new SpawnBuilder("dummy")
.withOutput(
ActionsTestUtil.createTreeArtifactWithGeneratingAction(
artifactRoot, PathFragment.create("path/to/dir")))
.build();
FakeSpawnExecutionContext context = newSpawnExecutionContext(spawn);
RemoteExecutionService service = newRemoteExecutionService();
RemoteAction remoteAction = service.buildRemoteAction(spawn, context);
assertThat(remoteAction.getCommand().getOutputFilesList()).isEmpty();
assertThat(remoteAction.getCommand().getOutputDirectoriesList()).isEmpty();
assertThat(remoteAction.getCommand().getOutputPathsList()).containsExactly("path/to/dir");
}
@Test
public void legacy_buildRemoteAction_withTreeArtifactAsOutput() throws Exception {
doReturn(legacyRemoteExecutorCapabilities).when(cache).getRemoteServerCapabilities();
when(executor.getServerCapabilities()).thenReturn(legacyRemoteExecutorCapabilities);
Spawn spawn =
new SpawnBuilder("dummy")
.withOutput(
ActionsTestUtil.createTreeArtifactWithGeneratingAction(
artifactRoot, PathFragment.create("path/to/dir")))
.build();
FakeSpawnExecutionContext context = newSpawnExecutionContext(spawn);
RemoteExecutionService service = newRemoteExecutionService();
RemoteAction remoteAction = service.buildRemoteAction(spawn, context);
assertThat(remoteAction.getCommand().getOutputFilesList()).isEmpty();
assertThat(remoteAction.getCommand().getOutputDirectoriesList()).containsExactly("path/to/dir");
assertThat(remoteAction.getCommand().getOutputPathsList()).isEmpty();
}
@Test
public void buildRemoteAction_withUnresolvedSymlinkAsOutput() throws Exception {
Spawn spawn =
new SpawnBuilder("dummy")
.withOutput(
ActionsTestUtil.createUnresolvedSymlinkArtifactWithExecPath(
artifactRoot, PathFragment.create("path/to/link")))
.build();
FakeSpawnExecutionContext context = newSpawnExecutionContext(spawn);
RemoteExecutionService service = newRemoteExecutionService();
RemoteAction remoteAction = service.buildRemoteAction(spawn, context);
assertThat(remoteAction.getCommand().getOutputFilesList()).isEmpty();
assertThat(remoteAction.getCommand().getOutputDirectoriesList()).isEmpty();
assertThat(remoteAction.getCommand().getOutputPathsList()).containsExactly("path/to/link");
}
@Test
public void legacy_buildRemoteAction_withUnresolvedSymlinkAsOutput() throws Exception {
doReturn(legacyRemoteExecutorCapabilities).when(cache).getRemoteServerCapabilities();
when(executor.getServerCapabilities()).thenReturn(legacyRemoteExecutorCapabilities);
Spawn spawn =
new SpawnBuilder("dummy")
.withOutput(
ActionsTestUtil.createUnresolvedSymlinkArtifactWithExecPath(
artifactRoot, PathFragment.create("path/to/link")))
.build();
FakeSpawnExecutionContext context = newSpawnExecutionContext(spawn);
RemoteExecutionService service = newRemoteExecutionService();
RemoteAction remoteAction = service.buildRemoteAction(spawn, context);
assertThat(remoteAction.getCommand().getOutputFilesList()).containsExactly("path/to/link");
assertThat(remoteAction.getCommand().getOutputDirectoriesList()).isEmpty();
assertThat(remoteAction.getCommand().getOutputPathsList()).isEmpty();
}
@Test
public void buildRemoteAction_withActionInputAsOutput() throws Exception {
Spawn spawn =
new SpawnBuilder("dummy")
.withOutput(ActionInputHelper.fromPath(PathFragment.create("path/to/file")))
.build();
FakeSpawnExecutionContext context = newSpawnExecutionContext(spawn);
RemoteExecutionService service = newRemoteExecutionService();
RemoteAction remoteAction = service.buildRemoteAction(spawn, context);
assertThat(remoteAction.getCommand().getOutputFilesList()).isEmpty();
assertThat(remoteAction.getCommand().getOutputDirectoriesList()).isEmpty();
assertThat(remoteAction.getCommand().getOutputPathsList()).containsExactly("path/to/file");
}
@Test
public void legacy_buildRemoteAction_withActionInputFileAsOutput() throws Exception {
doReturn(legacyRemoteExecutorCapabilities).when(cache).getRemoteServerCapabilities();
when(executor.getServerCapabilities()).thenReturn(legacyRemoteExecutorCapabilities);
Spawn spawn =
new SpawnBuilder("dummy")
.withOutput(ActionInputHelper.fromPath(PathFragment.create("path/to/file")))
.build();
FakeSpawnExecutionContext context = newSpawnExecutionContext(spawn);
RemoteExecutionService service = newRemoteExecutionService();
RemoteAction remoteAction = service.buildRemoteAction(spawn, context);
assertThat(remoteAction.getCommand().getOutputFilesList()).containsExactly("path/to/file");
assertThat(remoteAction.getCommand().getOutputDirectoriesList()).isEmpty();
assertThat(remoteAction.getCommand().getOutputPathsList()).isEmpty();
}
@Test
public void buildRemoteAction_withActionInputDirectoryAsOutput() throws Exception {
Spawn spawn =
new SpawnBuilder("dummy")
.withOutput(ActionInputHelper.fromPath(PathFragment.create("path/to/dir")))
.build();
FakeSpawnExecutionContext context = newSpawnExecutionContext(spawn);
RemoteExecutionService service = newRemoteExecutionService();
RemoteAction remoteAction = service.buildRemoteAction(spawn, context);
assertThat(remoteAction.getCommand().getOutputFilesList()).isEmpty();
assertThat(remoteAction.getCommand().getOutputDirectoriesList()).isEmpty();
assertThat(remoteAction.getCommand().getOutputPathsList()).containsExactly("path/to/dir");
}
@Test
public void buildRemoteAction_generateActionSalt_differentiateWorkspaceCache() throws Exception {
Spawn spawn =
new SpawnBuilder("dummy")
.withExecutionInfo(ExecutionRequirements.DIFFERENTIATE_WORKSPACE_CACHE, "aa")
.build();
FakeSpawnExecutionContext context = newSpawnExecutionContext(spawn);
RemoteExecutionService service = newRemoteExecutionService();
RemoteAction remoteAction = service.buildRemoteAction(spawn, context);
CacheSalt expected =
CacheSalt.newBuilder().setMayBeExecutedRemotely(true).setWorkspace("aa").build();
assertThat(remoteAction.getAction().getSalt()).isEqualTo(expected.toByteString());
}
@Test
public void buildRemoteAction_generateActionSalt_noRemoteExec() throws Exception {
Spawn spawn =
new SpawnBuilder("dummy")
.withExecutionInfo(ExecutionRequirements.NO_REMOTE_EXEC, "")
.build();
FakeSpawnExecutionContext context = newSpawnExecutionContext(spawn);
RemoteExecutionService service = newRemoteExecutionService();
RemoteAction remoteAction = service.buildRemoteAction(spawn, context);
CacheSalt expected = CacheSalt.newBuilder().setMayBeExecutedRemotely(false).build();
assertThat(remoteAction.getAction().getSalt()).isEqualTo(expected.toByteString());
}
@Test
public void downloadOutputs_executableBitIgnored() throws Exception {
// Test that executable bit of downloaded output files are ignored since it will be chmod 555
// after action execution.
// arrange
Digest fooDigest = cache.addContents(remoteActionExecutionContext, "foo-contents");
Digest barDigest = cache.addContents(remoteActionExecutionContext, "bar-contents");
Tree tree =
Tree.newBuilder()
.setRoot(
Directory.newBuilder()
.addFiles(
FileNode.newBuilder()
.setName("bar")
.setDigest(barDigest)
.setIsExecutable(true)))
.build();
Digest treeDigest = cache.addContents(remoteActionExecutionContext, tree.toByteArray());
ActionResult.Builder builder = ActionResult.newBuilder();
builder.addOutputFilesBuilder().setPath("outputs/foo").setDigest(fooDigest);
builder.addOutputDirectoriesBuilder().setPath("outputs/dir").setTreeDigest(treeDigest);
RemoteActionResult result =
RemoteActionResult.createFromCache(CachedActionResult.remote(builder.build()));
Spawn spawn = newSpawnFromResult(result);
FakeSpawnExecutionContext context = newSpawnExecutionContext(spawn);
RemoteExecutionService service = newRemoteExecutionService();
RemoteAction action = service.buildRemoteAction(spawn, context);
createOutputDirectories(spawn);
when(remoteOutputChecker.shouldDownloadOutput(ArgumentMatchers.<PathFragment>any()))
.thenReturn(true);
// act
service.downloadOutputs(action, result);
// assert
assertThat(execRoot.getRelative("outputs/foo").isExecutable()).isFalse();
assertThat(execRoot.getRelative("outputs/dir/bar").isExecutable()).isFalse();
assertThat(context.isLockOutputFilesCalled()).isTrue();
}
@Test
public void downloadOutputs_siblingLayout() throws Exception {
// arrange
remotePathResolver = new SiblingRepositoryLayoutResolver(execRoot);
Digest fooDigest = cache.addContents(remoteActionExecutionContext, "foo-contents");
Digest barDigest = cache.addContents(remoteActionExecutionContext, "bar-contents");
ActionResult.Builder builder = ActionResult.newBuilder();
builder.addOutputFilesBuilder().setPath("outputs/foo").setDigest(fooDigest);
builder.addOutputFilesBuilder().setPath("outputs/bar").setDigest(barDigest);
RemoteActionResult result =
RemoteActionResult.createFromCache(CachedActionResult.remote(builder.build()));
Spawn spawn = newSpawnFromResult(result);
FakeSpawnExecutionContext context = newSpawnExecutionContext(spawn);
RemoteExecutionService service = newRemoteExecutionService();
RemoteAction action = service.buildRemoteAction(spawn, context);
createOutputDirectories(spawn);
when(remoteOutputChecker.shouldDownloadOutput(ArgumentMatchers.<PathFragment>any()))
.thenReturn(true);
// act
service.downloadOutputs(action, result);
// assert
assertThat(readContent(execRoot.getRelative("outputs/foo"), UTF_8)).isEqualTo("foo-contents");
assertThat(readContent(execRoot.getRelative("outputs/bar"), UTF_8)).isEqualTo("bar-contents");
assertThat(context.isLockOutputFilesCalled()).isTrue();
}
@Test
public void downloadOutputs_outputFiles() throws Exception {
// arrange
Digest d1 = cache.addContents(remoteActionExecutionContext, "content1");
ActionResult r =
ActionResult.newBuilder()
.setExitCode(0)
.addOutputFiles(OutputFile.newBuilder().setPath("outputs/file1").setDigest(d1))
.build();
RemoteActionResult result = RemoteActionResult.createFromCache(CachedActionResult.remote(r));
Spawn spawn = newSpawnFromResult(result);
FakeSpawnExecutionContext context = newSpawnExecutionContext(spawn);
RemoteExecutionService service = newRemoteExecutionService();
RemoteAction action = service.buildRemoteAction(spawn, context);
when(remoteOutputChecker.shouldDownloadOutput(ArgumentMatchers.<PathFragment>any()))
.thenReturn(true);
// act
InMemoryOutput inMemoryOutput = service.downloadOutputs(action, result);
// assert
assertThat(inMemoryOutput).isNull();
RemoteActionFileSystem actionFs = context.getActionFileSystem();
assertThat(actionFs.getDigest(execRoot.asFragment().getRelative("outputs/file1")))
.isEqualTo(toBinaryDigest(d1));
assertThat(readContent(execRoot.getRelative("outputs/file1"), UTF_8)).isEqualTo("content1");
assertThat(context.isLockOutputFilesCalled()).isTrue();
}
@Test
public void downloadOutputs_outputDirectories() throws Exception {
// Test that downloading an output directory works.
// arrange
Digest fooDigest = cache.addContents(remoteActionExecutionContext, "foo-contents");
Digest barDigest = cache.addContents(remoteActionExecutionContext, "bar-contents");
Tree tree =
Tree.newBuilder()
.setRoot(
Directory.newBuilder()
.addFiles(
FileNode.newBuilder()
.setName("foo")
.setDigest(fooDigest)
.setIsExecutable(true))
.addFiles(
FileNode.newBuilder()
.setName("subdir/bar")
.setDigest(barDigest)
.setIsExecutable(true)))
.build();
Digest treeDigest = cache.addContents(remoteActionExecutionContext, tree.toByteArray());
ActionResult.Builder builder = ActionResult.newBuilder();
builder.addOutputDirectoriesBuilder().setPath("outputs/a/dir").setTreeDigest(treeDigest);
RemoteActionResult result =
RemoteActionResult.createFromCache(CachedActionResult.remote(builder.build()));
Spawn spawn = newSpawnFromResult(result);
FakeSpawnExecutionContext context = newSpawnExecutionContext(spawn);
RemoteExecutionService service = newRemoteExecutionService();
RemoteAction action = service.buildRemoteAction(spawn, context);
when(remoteOutputChecker.shouldDownloadOutput(ArgumentMatchers.<PathFragment>any()))
.thenReturn(true);
// act
service.downloadOutputs(action, result);
// assert
RemoteActionFileSystem actionFs = context.getActionFileSystem();
assertThat(actionFs.getDigest(execRoot.asFragment().getRelative("outputs/a/dir/foo")))
.isEqualTo(toBinaryDigest(fooDigest));
assertThat(actionFs.getDigest(execRoot.asFragment().getRelative("outputs/a/dir/subdir/bar")))
.isEqualTo(toBinaryDigest(barDigest));
assertThat(readContent(execRoot.getRelative("outputs/a/dir/foo"), UTF_8))
.isEqualTo("foo-contents");
assertThat(readContent(execRoot.getRelative("outputs/a/dir/subdir/bar"), UTF_8))
.isEqualTo("bar-contents");
assertThat(context.isLockOutputFilesCalled()).isTrue();
}
@Test
public void downloadOutputs_emptyOutputDirectories_works() throws Exception {
// Test that downloading an empty output directory works.
// arrange
Tree barTreeMessage = Tree.newBuilder().setRoot(Directory.getDefaultInstance()).build();
// Don't add barTreeMessage to the cache, the Tree proto for an empty output directory is
// recognized by its digest.
Digest barTreeDigest = digestUtil.compute(barTreeMessage);
ActionResult.Builder builder = ActionResult.newBuilder();
builder.addOutputDirectoriesBuilder().setPath("outputs/a/bar").setTreeDigest(barTreeDigest);
RemoteActionResult result =
RemoteActionResult.createFromCache(CachedActionResult.remote(builder.build()));
Spawn spawn = newSpawnFromResult(result);
FakeSpawnExecutionContext context = newSpawnExecutionContext(spawn);
RemoteExecutionService service = newRemoteExecutionService();
RemoteAction action = service.buildRemoteAction(spawn, context);
createOutputDirectories(spawn);
when(remoteOutputChecker.shouldDownloadOutput(ArgumentMatchers.<PathFragment>any()))
.thenReturn(true);
// act
service.downloadOutputs(action, result);
// assert
assertThat(execRoot.getRelative("outputs/a/bar").isDirectory()).isTrue();
assertThat(context.isLockOutputFilesCalled()).isTrue();
}
@Test
public void downloadOutputs_nestedOutputDirectories_works() throws Exception {
// Test that downloading a nested output directory works.
// arrange
Digest fooDigest = cache.addContents(remoteActionExecutionContext, "foo-contents");
Digest quxDigest = cache.addContents(remoteActionExecutionContext, "qux-contents");
Directory wobbleDirMessage =
Directory.newBuilder()
.addFiles(
FileNode.newBuilder().setName("qux").setDigest(quxDigest).setIsExecutable(true))
.build();
Digest wobbleDirDigest =
cache.addContents(remoteActionExecutionContext, wobbleDirMessage.toByteArray());
Tree barTreeMessage =
Tree.newBuilder()
.setRoot(
Directory.newBuilder()
.addFiles(
FileNode.newBuilder()
.setName("qux")
.setDigest(quxDigest)
.setIsExecutable(true))
.addDirectories(
DirectoryNode.newBuilder().setName("wobble").setDigest(wobbleDirDigest)))
.addChildren(wobbleDirMessage)
.build();
Digest barTreeDigest =
cache.addContents(remoteActionExecutionContext, barTreeMessage.toByteArray());
ActionResult.Builder builder = ActionResult.newBuilder();
builder.addOutputFilesBuilder().setPath("outputs/a/foo").setDigest(fooDigest);
builder.addOutputDirectoriesBuilder().setPath("outputs/a/bar").setTreeDigest(barTreeDigest);
RemoteActionResult result =
RemoteActionResult.createFromCache(CachedActionResult.remote(builder.build()));
Spawn spawn = newSpawnFromResult(result);
FakeSpawnExecutionContext context = newSpawnExecutionContext(spawn);
RemoteExecutionService service = newRemoteExecutionService();
RemoteAction action = service.buildRemoteAction(spawn, context);
createOutputDirectories(spawn);
when(remoteOutputChecker.shouldDownloadOutput(ArgumentMatchers.<PathFragment>any()))
.thenReturn(true);
// act
service.downloadOutputs(action, result);
// assert
assertThat(readContent(execRoot.getRelative("outputs/a/foo"), UTF_8)).isEqualTo("foo-contents");
assertThat(readContent(execRoot.getRelative("outputs/a/bar/wobble/qux"), UTF_8))
.isEqualTo("qux-contents");
assertThat(context.isLockOutputFilesCalled()).isTrue();
}
@Test
public void downloadOutputs_outputDirectoriesWithNestedFile_works() throws Exception {
// Test that downloading an output directory containing a named output file works.
// arrange
Digest fooDigest = cache.addContents(remoteActionExecutionContext, "foo-contents");
Digest barDigest = cache.addContents(remoteActionExecutionContext, "bar-contents");
Tree subdirTreeMessage =
Tree.newBuilder()
.setRoot(
Directory.newBuilder()
.addFiles(
FileNode.newBuilder()
.setName("foo")
.setDigest(fooDigest)
.setIsExecutable(true))
.addFiles(
FileNode.newBuilder()
.setName("bar")
.setDigest(barDigest)
.setIsExecutable(true)))
.build();
Digest subdirTreeDigest =
cache.addContents(remoteActionExecutionContext, subdirTreeMessage.toByteArray());
ActionResult.Builder builder = ActionResult.newBuilder();
builder.addOutputFilesBuilder().setPath("outputs/subdir/foo").setDigest(fooDigest);
builder.addOutputDirectoriesBuilder().setPath("outputs/subdir").setTreeDigest(subdirTreeDigest);
RemoteActionResult result =
RemoteActionResult.createFromCache(CachedActionResult.remote(builder.build()));
Spawn spawn = newSpawnFromResult(result);
FakeSpawnExecutionContext context = newSpawnExecutionContext(spawn);
RemoteExecutionService service = newRemoteExecutionService();
RemoteAction action = service.buildRemoteAction(spawn, context);
createOutputDirectories(spawn);
when(remoteOutputChecker.shouldDownloadOutput(ArgumentMatchers.<PathFragment>any()))
.thenReturn(true);
// act
service.downloadOutputs(action, result);
// assert
assertThat(readContent(execRoot.getRelative("outputs/subdir/foo"), UTF_8))
.isEqualTo("foo-contents");
assertThat(readContent(execRoot.getRelative("outputs/subdir/bar"), UTF_8))
.isEqualTo("bar-contents");
assertThat(context.isLockOutputFilesCalled()).isTrue();
}
@Test
public void downloadOutputs_outputDirectoriesWithSameHash_works() throws Exception {
// Test that downloading an output directory works when two Directory
// protos have the same hash i.e. because they have the same name and contents or are empty.
/*
* /bar/foo/file
* /foo/file
*/
// arrange
Digest fileDigest = cache.addContents(remoteActionExecutionContext, "file");
FileNode file =
FileNode.newBuilder().setName("file").setDigest(fileDigest).setIsExecutable(true).build();
Directory fooDir = Directory.newBuilder().addFiles(file).build();
Digest fooDigest = cache.addContents(remoteActionExecutionContext, fooDir.toByteArray());
DirectoryNode fooDirNode =
DirectoryNode.newBuilder().setName("foo").setDigest(fooDigest).build();
Directory barDir = Directory.newBuilder().addDirectories(fooDirNode).build();
Digest barDigest = cache.addContents(remoteActionExecutionContext, barDir.toByteArray());
DirectoryNode barDirNode =
DirectoryNode.newBuilder().setName("bar").setDigest(barDigest).build();
Directory rootDir =
Directory.newBuilder().addDirectories(fooDirNode).addDirectories(barDirNode).build();
Tree tree =
Tree.newBuilder()
.setRoot(rootDir)
.addChildren(barDir)
.addChildren(fooDir)
.addChildren(fooDir)
.build();
Digest treeDigest = cache.addContents(remoteActionExecutionContext, tree.toByteArray());
ActionResult.Builder builder = ActionResult.newBuilder();
builder.addOutputDirectoriesBuilder().setPath("outputs/a").setTreeDigest(treeDigest);
RemoteActionResult result =
RemoteActionResult.createFromCache(CachedActionResult.remote(builder.build()));
Spawn spawn = newSpawnFromResult(result);
FakeSpawnExecutionContext context = newSpawnExecutionContext(spawn);
RemoteExecutionService service = newRemoteExecutionService();
RemoteAction action = service.buildRemoteAction(spawn, context);
createOutputDirectories(spawn);
when(remoteOutputChecker.shouldDownloadOutput(ArgumentMatchers.<PathFragment>any()))
.thenReturn(true);
// act
service.downloadOutputs(action, result);
// assert
assertThat(readContent(execRoot.getRelative("outputs/a/bar/foo/file"), UTF_8))
.isEqualTo("file");
assertThat(readContent(execRoot.getRelative("outputs/a/foo/file"), UTF_8)).isEqualTo("file");
assertThat(context.isLockOutputFilesCalled()).isTrue();
}
@Test
public void downloadOutputs_relativeFileSymlink_success() throws Exception {
ActionResult.Builder builder = ActionResult.newBuilder();
builder.addOutputFileSymlinksBuilder().setPath("outputs/a/b/link").setTarget("../../foo");
RemoteActionResult result =
RemoteActionResult.createFromCache(CachedActionResult.remote(builder.build()));
Spawn spawn = newSpawnFromResult(result);
FakeSpawnExecutionContext context = newSpawnExecutionContext(spawn);
RemoteExecutionService service = newRemoteExecutionService();
RemoteAction action = service.buildRemoteAction(spawn, context);
// Doesn't check for dangling links, hence download succeeds.
service.downloadOutputs(action, result);
Path path = execRoot.getRelative("outputs/a/b/link");
assertThat(path.isSymbolicLink()).isTrue();
assertThat(path.readSymbolicLink()).isEqualTo(PathFragment.create("../../foo"));
assertThat(context.isLockOutputFilesCalled()).isTrue();
}
@Test
public void downloadOutputs_relativeDirectorySymlink_success() throws Exception {
ActionResult.Builder builder = ActionResult.newBuilder();
builder.addOutputDirectorySymlinksBuilder().setPath("outputs/a/b/link").setTarget("foo");
RemoteActionResult result =
RemoteActionResult.createFromCache(CachedActionResult.remote(builder.build()));
Spawn spawn = newSpawnFromResult(result);
FakeSpawnExecutionContext context = newSpawnExecutionContext(spawn);
RemoteExecutionService service = newRemoteExecutionService();
RemoteAction action = service.buildRemoteAction(spawn, context);
createOutputDirectories(spawn);
when(remoteOutputChecker.shouldDownloadOutput(ArgumentMatchers.<PathFragment>any()))
.thenReturn(true);
// Doesn't check for dangling links, hence download succeeds.
service.downloadOutputs(action, result);
Path path = execRoot.getRelative("outputs/a/b/link");
assertThat(path.isSymbolicLink()).isTrue();
assertThat(path.readSymbolicLink()).isEqualTo(PathFragment.create("foo"));
assertThat(context.isLockOutputFilesCalled()).isTrue();
}
@Test
public void downloadOutputs_relativeOutputSymlinks_success() throws Exception {
// Test that download outputs works when the action result only contains output_symlinks
// and not output_file_symlinks or output_directory_symlinks, which are deprecated.
ActionResult.Builder builder = ActionResult.newBuilder();
builder.addOutputSymlinksBuilder().setPath("outputs/a/b/link").setTarget("../../foo");
RemoteActionResult result =
RemoteActionResult.createFromCache(CachedActionResult.remote(builder.build()));
Spawn spawn = newSpawnFromResult(result);
FakeSpawnExecutionContext context = newSpawnExecutionContext(spawn);
RemoteExecutionService service = newRemoteExecutionService();
RemoteAction action = service.buildRemoteAction(spawn, context);
createOutputDirectories(spawn);
when(remoteOutputChecker.shouldDownloadOutput(ArgumentMatchers.<PathFragment>any()))
.thenReturn(true);
// Doesn't check for dangling links, hence download succeeds.
service.downloadOutputs(action, result);
Path path = execRoot.getRelative("outputs/a/b/link");
assertThat(path.isSymbolicLink()).isTrue();
assertThat(path.readSymbolicLink()).isEqualTo(PathFragment.create("../../foo"));
assertThat(context.isLockOutputFilesCalled()).isTrue();
}
@Test
public void downloadOutputs_outputSymlinksCompatibility_success() throws Exception {
// Test that download outputs works when the action result contains both output_symlinks
// and output_file_symlinks (or output_directory_symlinks).
//
// Remote Execution Server may set both fields to ensure backward compatibility with
// clients that don't support output_symlinks.
ActionResult.Builder builder = ActionResult.newBuilder();
builder.addOutputFileSymlinksBuilder().setPath("outputs/a/b/link").setTarget("foo");
builder.addOutputSymlinksBuilder().setPath("outputs/a/b/link").setTarget("foo");
RemoteActionResult result =
RemoteActionResult.createFromCache(CachedActionResult.remote(builder.build()));
Spawn spawn = newSpawnFromResult(result);
FakeSpawnExecutionContext context = newSpawnExecutionContext(spawn);
RemoteExecutionService service = newRemoteExecutionService();
RemoteAction action = service.buildRemoteAction(spawn, context);
createOutputDirectories(spawn);
when(remoteOutputChecker.shouldDownloadOutput(ArgumentMatchers.<PathFragment>any()))
.thenReturn(true);
// Doesn't check for dangling links, hence download succeeds.
service.downloadOutputs(action, result);
Path path = execRoot.getRelative("outputs/a/b/link");
assertThat(path.isSymbolicLink()).isTrue();
assertThat(path.readSymbolicLink()).isEqualTo(PathFragment.create("foo"));
assertThat(context.isLockOutputFilesCalled()).isTrue();
}
@Test
public void downloadOutputs_symlinksInDirectory_success() throws Exception {
Tree tree =
Tree.newBuilder()
.setRoot(
Directory.newBuilder()
.addSymlinks(SymlinkNode.newBuilder().setName("rel").setTarget("foo"))
.addSymlinks(SymlinkNode.newBuilder().setName("abs").setTarget("/bar")))
.build();
Digest treeDigest = cache.addContents(remoteActionExecutionContext, tree.toByteArray());
ActionResult.Builder builder = ActionResult.newBuilder();
builder.addOutputDirectoriesBuilder().setPath("outputs/dir").setTreeDigest(treeDigest);
RemoteActionResult result =
RemoteActionResult.createFromCache(CachedActionResult.remote(builder.build()));
Spawn spawn = newSpawnFromResult(result);
FakeSpawnExecutionContext context = newSpawnExecutionContext(spawn);
RemoteExecutionService service = newRemoteExecutionService(remoteOptions);
RemoteAction action = service.buildRemoteAction(spawn, context);
createOutputDirectories(spawn);
when(remoteOutputChecker.shouldDownloadOutput(ArgumentMatchers.<PathFragment>any()))
.thenReturn(true);
// Doesn't check for dangling links, hence download succeeds.
service.downloadOutputs(action, result);
Path relPath = execRoot.getRelative("outputs/dir/rel");
assertThat(relPath.isSymbolicLink()).isTrue();
assertThat(relPath.readSymbolicLink()).isEqualTo(PathFragment.create("foo"));
Path absPath = execRoot.getRelative("outputs/dir/abs");
assertThat(absPath.isSymbolicLink()).isTrue();
assertThat(absPath.readSymbolicLink()).isEqualTo(PathFragment.create("/bar"));
assertThat(context.isLockOutputFilesCalled()).isTrue();
}
@Test
public void downloadOutputs_absoluteFileSymlink_success() throws Exception {
ActionResult.Builder builder = ActionResult.newBuilder();
builder.addOutputFileSymlinksBuilder().setPath("outputs/foo").setTarget("/abs/link");
RemoteActionResult result =
RemoteActionResult.createFromCache(CachedActionResult.remote(builder.build()));
Spawn spawn = newSpawnFromResult(result);
FakeSpawnExecutionContext context = newSpawnExecutionContext(spawn);
RemoteExecutionService service = newRemoteExecutionService();
RemoteAction action = service.buildRemoteAction(spawn, context);
createOutputDirectories(spawn);
when(remoteOutputChecker.shouldDownloadOutput(ArgumentMatchers.<PathFragment>any()))
.thenReturn(true);
service.downloadOutputs(action, result);
Path path = execRoot.getRelative("outputs/foo");
assertThat(path.isSymbolicLink()).isTrue();
assertThat(path.readSymbolicLink()).isEqualTo(PathFragment.create("/abs/link"));
assertThat(context.isLockOutputFilesCalled()).isTrue();
}
@Test
public void downloadOutputs_absoluteDirectorySymlink_success() throws Exception {
ActionResult.Builder builder = ActionResult.newBuilder();
builder.addOutputDirectorySymlinksBuilder().setPath("outputs/foo").setTarget("/abs/link");
RemoteActionResult result =
RemoteActionResult.createFromCache(CachedActionResult.remote(builder.build()));
Spawn spawn = newSpawnFromResult(result);
FakeSpawnExecutionContext context = newSpawnExecutionContext(spawn);
RemoteExecutionService service = newRemoteExecutionService();
RemoteAction action = service.buildRemoteAction(spawn, context);
createOutputDirectories(spawn);
when(remoteOutputChecker.shouldDownloadOutput(ArgumentMatchers.<PathFragment>any()))
.thenReturn(true);
service.downloadOutputs(action, result);
Path path = execRoot.getRelative("outputs/foo");
assertThat(path.readSymbolicLink()).isEqualTo(PathFragment.create("/abs/link"));
assertThat(context.isLockOutputFilesCalled()).isTrue();
}
@Test
public void downloadOutputs_symlinkCollision_error() throws Exception {
ActionResult.Builder builder = ActionResult.newBuilder();
builder.addOutputDirectorySymlinksBuilder().setPath("outputs/foo").setTarget("foo1");
builder.addOutputSymlinksBuilder().setPath("outputs/foo").setTarget("foo2");
RemoteActionResult result =
RemoteActionResult.createFromCache(CachedActionResult.remote(builder.build()));
Spawn spawn =
new SpawnBuilder("dummy")
.withOutput(
ActionsTestUtil.createArtifactWithRootRelativePath(
artifactRoot, PathFragment.create("foo")))
.build();
FakeSpawnExecutionContext context = newSpawnExecutionContext(spawn);
RemoteExecutionService service = newRemoteExecutionService();
RemoteAction action = service.buildRemoteAction(spawn, context);
when(remoteOutputChecker.shouldDownloadOutput(ArgumentMatchers.<PathFragment>any()))
.thenReturn(true);
IOException expected =
assertThrows(IOException.class, () -> service.downloadOutputs(action, result));
assertThat(expected.getSuppressed()).isEmpty();
assertThat(expected).hasMessageThat().contains("Symlink path collision");
assertThat(expected).hasMessageThat().contains("outputs/foo");
assertThat(expected).hasMessageThat().contains("foo1");
assertThat(expected).hasMessageThat().contains("foo2");
}
@Test
public void downloadOutputs_onActionFailure_downloadEverything() throws Exception {
// Test that all outputs are downloaded for a failed action, even if the outputs mode says
// otherwise.
// arrange
Digest fooDigest = cache.addContents(remoteActionExecutionContext, "foo-contents");
Digest barDigest = cache.addContents(remoteActionExecutionContext, "bar-contents");
Tree tree =
Tree.newBuilder()
.setRoot(
Directory.newBuilder()
.addFiles(
FileNode.newBuilder()
.setName("bar")
.setDigest(barDigest)
.setIsExecutable(true)))
.build();
Digest treeDigest = cache.addContents(remoteActionExecutionContext, tree.toByteArray());
ActionResult.Builder builder = ActionResult.newBuilder();
builder.addOutputFilesBuilder().setPath("outputs/foo").setDigest(fooDigest);
builder.addOutputDirectoriesBuilder().setPath("outputs/dir").setTreeDigest(treeDigest);
builder.setExitCode(1);
RemoteActionResult result =