Fix up bazel-buildfarm to pass all tests

deps.bzl

@@ -5,8 +5,17 @@ buildfarm dependencies that can be imported into other WORKSPACE files
 load("@bazel_tools//tools/build_defs/repo:http.bzl", "http_archive", "http_file", "http_jar")
 load("@bazel_tools//tools/build_defs/repo:utils.bzl", "maybe")
 
+RULES_JVM_EXTERNAL_TAG = "4.2"
+RULES_JVM_EXTERNAL_SHA = "cd1a77b7b02e8e008439ca76fd34f5b07aecb8c752961f9640dea15e9e5ba1ca"
+
 def archive_dependencies(third_party):
     return [
+        {
+            "name": "rules_jvm_external",
+            "strip_prefix": "rules_jvm_external-%s" % RULES_JVM_EXTERNAL_TAG,
+            "sha256": RULES_JVM_EXTERNAL_SHA,
+            "url": "https://github.com/bazelbuild/rules_jvm_external/archive/%s.zip" % RULES_JVM_EXTERNAL_TAG,
+        },
         {
             "name": "rules_pkg",
             "sha256": "8a298e832762eda1830597d64fe7db58178aa84cd5926d76d5b744d6558941c2",

src/main/java/build/buildfarm/worker/shard/CFCExecFileSystem.java

@@ -40,6 +40,7 @@
 import build.buildfarm.cas.ContentAddressableStorage;
 import build.buildfarm.cas.cfc.CASFileCache;
 import build.buildfarm.common.BuildfarmExecutors;
+import build.buildfarm.common.DigestUtil;
 import build.buildfarm.common.io.Directories;
 import build.buildfarm.common.io.Dirent;
 import build.buildfarm.worker.ExecDirException;

src/main/java/build/buildfarm/worker/shard/RemoteCasWriter.java

@@ -81,8 +81,6 @@ private void insertFileToCasMember(Digest digest, DigestFunction.Value digestFun
     }
   }
 
-  private long writeToCasMember(Digest digest, InputStream in)
-      throws IOException, InterruptedException {
   private long writeToCasMember(Digest digest, DigestFunction.Value digestFunction, InputStream in)
       throws IOException, InterruptedException {
     // create a write for inserting into another CAS member.

src/main/java/build/buildfarm/worker/shard/Worker.java

@@ -21,7 +21,6 @@
 import static com.google.common.base.Preconditions.checkArgument;
 import static com.google.common.base.Preconditions.checkState;
 import static java.util.concurrent.Executors.newSingleThreadExecutor;
-import static java.util.concurrent.Executors.newSingleThreadScheduledExecutor;
 import static java.util.concurrent.TimeUnit.SECONDS;
 import static java.util.logging.Level.INFO;
 import static java.util.logging.Level.SEVERE;
@@ -63,8 +62,6 @@
 import build.buildfarm.worker.resources.LocalResourceSetUtils;
 import com.google.common.cache.LoadingCache;
 import com.google.common.collect.Lists;
-import com.google.common.util.concurrent.SettableFuture;
-import com.google.devtools.common.options.OptionsParsingException;
 import com.google.longrunning.Operation;
 import com.google.protobuf.ByteString;
 import com.google.protobuf.Duration;
@@ -90,18 +87,11 @@
 import java.util.UUID;
 import java.util.concurrent.Executor;
 import java.util.concurrent.ExecutorService;
-import java.util.concurrent.ScheduledExecutorService;
-import java.util.concurrent.ScheduledFuture;
 import java.util.concurrent.atomic.AtomicBoolean;
 import java.util.logging.Level;
 import javax.annotation.Nullable;
 import javax.naming.ConfigurationException;
 import lombok.extern.java.Log;
-import org.springframework.beans.factory.annotation.Autowired;
-import org.springframework.boot.SpringApplication;
-import org.springframework.boot.autoconfigure.SpringBootApplication;
-import org.springframework.context.ApplicationContext;
-import org.springframework.context.annotation.ComponentScan;
 
 @Log
 public final class Worker extends LoggingMain {
@@ -146,7 +136,6 @@ public final class Worker extends LoggingMain {
   private LoadingCache<String, Instance> workerStubs;
   private AtomicBoolean released = new AtomicBoolean(true);
 
-  @Autowired private ApplicationContext springContext;
   /**
    * The method will prepare the worker for graceful shutdown when the worker is ready. Note on
    * using stderr here instead of log. By the time this is called in PreDestroy, the log is no
@@ -196,43 +185,6 @@ private Worker() {
     super("BuildFarmShardWorker");
   }
 
-  private void exitPostPipelineFailure() {
-    // Shutdown the worker if a pipeline fails. By means of the spring lifecycle
-    // hooks - e.g. the `PreDestroy` hook here - it will attempt to gracefully
-    // spin down the pipeline
-
-    // By calling these spring shutdown facilities; we're open to the risk that
-    // a subsystem may be hanging a criticial thread indeffinitly. Deadline the
-    // shutdown workflow to ensure we don't leave a zombie worker in this
-    // situation
-    ScheduledExecutorService shutdownDeadlineExecutor = newSingleThreadScheduledExecutor();
-
-    // This may be shorter than the action timeout; assume we have interrupted
-    // actions in a fatal uncaught exception.
-    int forceShutdownDeadline = 60;
-    ScheduledFuture<?> termFuture =
-        shutdownDeadlineExecutor.schedule(
-            new Runnable() {
-              public void run() {
-                log.log(
-                    Level.SEVERE,
-                    String.format(
-                        "Force terminating due to shutdown deadline exceeded (%d seconds)",
-                        forceShutdownDeadline));
-                System.exit(1);
-              }
-            },
-            forceShutdownDeadline,
-            SECONDS);
-
-    // Consider defining exit codes to better afford out of band instance
-    // recovery
-    int code = SpringApplication.exit(springContext, () -> 1);
-    termFuture.cancel(false);
-    shutdownDeadlineExecutor.shutdown();
-    System.exit(code);
-  }
-
   private Operation stripOperation(Operation operation) {
     return instance.stripOperation(operation);
   }
@@ -674,22 +626,9 @@ public void start() throws ConfigurationException, InterruptedException, IOExcep
     healthStatusManager.setStatus(
         HealthStatusManager.SERVICE_NAME_ALL_SERVICES, ServingStatus.SERVING);
     PrometheusPublisher.startHttpServer(configs.getPrometheusPort());
+    startFailsafeRegistration();
 
-    // An executor can also be used as storage worker as scheduler treats all new workers as storage workers
-    // TODO (Congt) Fix it upstream and revert it.
-    if (configs.getWorker().getCapabilities().isCas()) {
-      startFailsafeRegistration();
-    } else {
-      log.log(INFO, "Skipping worker registration");
-    }
-
-    // Listen for pipeline unhandled exceptions
-    ExecutorService pipelineExceptionExecutor = newSingleThreadExecutor();
-    SettableFuture<Void> pipelineExceptionFuture = SettableFuture.create();
-    pipelineExceptionFuture.addListener(this::exitPostPipelineFailure, pipelineExceptionExecutor);
-
-    pipeline.start(pipelineExceptionFuture);
-
+    pipeline.start(null);
     healthCheckMetric.labels("start").inc();
     executionSlotsTotal.set(configs.getWorker().getExecuteStageWidth());
     inputFetchSlotsTotal.set(configs.getWorker().getInputFetchStageWidth());

src/test/java/build/buildfarm/common/services/WriteStreamObserverTest.java

@@ -115,6 +115,7 @@ public void noErrorWhenContextCancelled() throws Exception {
     when(instance.getBlobWrite(
             eq(Compressor.Value.IDENTITY),
             eq(cancelledDigest),
+            eq(DigestFunction.Value.UNKNOWN),
             eq(uuid),
             any(RequestMetadata.class)))
         .thenReturn(write);
@@ -137,6 +138,7 @@ public void noErrorWhenContextCancelled() throws Exception {
         .getBlobWrite(
             eq(Compressor.Value.IDENTITY),
             eq(cancelledDigest),
+            eq(DigestFunction.Value.UNKNOWN),
             eq(uuid),
             any(RequestMetadata.class));
     verifyNoInteractions(responseObserver);

src/test/java/build/buildfarm/worker/PipelineTest.java

@@ -110,7 +110,7 @@ public void stageExitsOnInterrupt() throws InterruptedException {
     Pipeline pipeline = new Pipeline();
     TestStage stage = new TestStage("test");
     pipeline.add(stage, 1);
-    pipeline.start();
+    pipeline.start(null);
     pipeline.join();
   }
 
@@ -147,7 +147,7 @@ public void stageContinuesOnException() throws InterruptedException {
     Pipeline pipeline = new Pipeline();
     ContinueStage stage = new ContinueStage("test");
     pipeline.add(stage, 1);
-    pipeline.start();
+    pipeline.start(null);
 
     boolean didNotThrow = false;
     try {