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// Copyright 2016 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 com.google.common.base.Preconditions;
import com.google.common.collect.ImmutableList;
import com.google.devtools.build.lib.actions.ActionContext;
import com.google.devtools.build.lib.actions.ActionInputFileCache;
import com.google.devtools.build.lib.actions.ResourceManager;
import com.google.devtools.build.lib.authandtls.AuthAndTLSOptions;
import com.google.devtools.build.lib.exec.ActionContextProvider;
import com.google.devtools.build.lib.exec.ActionInputPrefetcher;
import com.google.devtools.build.lib.exec.ExecutionOptions;
import com.google.devtools.build.lib.exec.SpawnRunner;
import com.google.devtools.build.lib.exec.apple.XCodeLocalEnvProvider;
import com.google.devtools.build.lib.exec.local.LocalEnvProvider;
import com.google.devtools.build.lib.exec.local.LocalExecutionOptions;
import com.google.devtools.build.lib.exec.local.LocalSpawnRunner;
import com.google.devtools.build.lib.runtime.CommandEnvironment;
import com.google.devtools.build.lib.util.OS;
/**
* Provide a remote execution context.
*/
final class RemoteActionContextProvider extends ActionContextProvider {
private final CommandEnvironment env;
private RemoteSpawnRunner spawnRunner;
private RemoteSpawnStrategy spawnStrategy;
RemoteActionContextProvider(CommandEnvironment env) {
this.env = env;
}
@Override
public void init(
ActionInputFileCache actionInputFileCache, ActionInputPrefetcher actionInputPrefetcher) {
ExecutionOptions executionOptions = env.getOptions().getOptions(ExecutionOptions.class);
RemoteOptions remoteOptions = env.getOptions().getOptions(RemoteOptions.class);
AuthAndTLSOptions authAndTlsOptions = env.getOptions().getOptions(AuthAndTLSOptions.class);
ChannelOptions channelOptions = ChannelOptions.create(authAndTlsOptions);
Retrier retrier = new Retrier(remoteOptions);
RemoteActionCache remoteCache;
if (SimpleBlobStoreFactory.isRemoteCacheOptions(remoteOptions)) {
remoteCache = new SimpleBlobStoreActionCache(SimpleBlobStoreFactory.create(remoteOptions));
} else if (GrpcRemoteCache.isRemoteCacheOptions(remoteOptions)) {
remoteCache =
new GrpcRemoteCache(
GrpcUtils.createChannel(remoteOptions.remoteCache, channelOptions),
channelOptions,
remoteOptions,
retrier);
} else {
remoteCache = null;
}
// Otherwise remoteCache remains null and remote caching/execution are disabled.
GrpcRemoteExecutor remoteExecutor;
if (remoteCache != null && remoteOptions.remoteExecutor != null) {
remoteExecutor =
new GrpcRemoteExecutor(
GrpcUtils.createChannel(remoteOptions.remoteExecutor, channelOptions),
channelOptions.getCallCredentials(),
remoteOptions.remoteTimeout,
retrier);
} else {
remoteExecutor = null;
}
spawnRunner = new RemoteSpawnRunner(
env.getExecRoot(),
remoteOptions,
createFallbackRunner(actionInputPrefetcher),
remoteCache,
remoteExecutor);
spawnStrategy =
new RemoteSpawnStrategy(
"remote",
spawnRunner,
executionOptions.verboseFailures);
}
private SpawnRunner createFallbackRunner(ActionInputPrefetcher actionInputPrefetcher) {
LocalExecutionOptions localExecutionOptions =
env.getOptions().getOptions(LocalExecutionOptions.class);
LocalEnvProvider localEnvProvider = OS.getCurrent() == OS.DARWIN
? new XCodeLocalEnvProvider()
: LocalEnvProvider.UNMODIFIED;
return
new LocalSpawnRunner(
env.getExecRoot(),
actionInputPrefetcher,
localExecutionOptions,
ResourceManager.instance(),
env.getRuntime().getProductName(),
localEnvProvider);
}
@Override
public Iterable<? extends ActionContext> getActionContexts() {
return ImmutableList.of(Preconditions.checkNotNull(spawnStrategy));
}
@Override
public void executionPhaseEnding() {
if (spawnRunner != null) {
spawnRunner.close();
}
spawnRunner = null;
spawnStrategy = null;
}
}
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