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// Copyright 2022 Huawei Cloud Computing Technology Co., Ltd.
//
// 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.
#include "src/buildtool/execution_api/remote/bazel/bazel_network.hpp"
#include <functional>
#include <utility>
#include "src/buildtool/execution_api/common/message_limits.hpp"
#include "src/buildtool/logging/log_level.hpp"
#include "src/buildtool/logging/logger.hpp"
#include "src/utils/cpp/back_map.hpp"
BazelNetwork::BazelNetwork(
std::string instance_name,
std::string const& host,
Port port,
gsl::not_null<Auth const*> const& auth,
gsl::not_null<RetryConfig const*> const& retry_config,
ExecutionConfiguration const& exec_config,
HashFunction hash_function,
TmpDir::Ptr temp_space) noexcept
: instance_name_{std::move(instance_name)},
capabilities_{std::make_unique<BazelCapabilitiesClient>(host,
port,
auth,
retry_config)},
cas_{std::make_unique<BazelCasClient>(host,
port,
auth,
retry_config,
capabilities_.get(),
std::move(temp_space))},
ac_{std::make_unique<BazelAcClient>(host, port, auth, retry_config)},
exec_{std::make_unique<BazelExecutionClient>(host,
port,
auth,
retry_config)},
exec_config_{exec_config},
hash_function_{hash_function} {}
auto BazelNetwork::IsAvailable(ArtifactDigest const& digest) const noexcept
-> bool {
return cas_->FindMissingBlobs(instance_name_, {digest}).empty();
}
auto BazelNetwork::FindMissingBlobs(
std::unordered_set<ArtifactDigest> const& digests) const noexcept
-> std::unordered_set<ArtifactDigest> {
return cas_->FindMissingBlobs(instance_name_, digests);
}
auto BazelNetwork::SplitBlob(bazel_re::Digest const& blob_digest) const noexcept
-> std::optional<std::vector<bazel_re::Digest>> {
return cas_->SplitBlob(hash_function_, instance_name_, blob_digest);
}
auto BazelNetwork::SpliceBlob(
bazel_re::Digest const& blob_digest,
std::vector<bazel_re::Digest> const& chunk_digests) const noexcept
-> std::optional<bazel_re::Digest> {
return cas_->SpliceBlob(
hash_function_, instance_name_, blob_digest, chunk_digests);
}
auto BazelNetwork::BlobSplitSupport() const noexcept -> bool {
return cas_->BlobSplitSupport(hash_function_, instance_name_);
}
auto BazelNetwork::BlobSpliceSupport() const noexcept -> bool {
return cas_->BlobSpliceSupport(hash_function_, instance_name_);
}
auto BazelNetwork::DoUploadBlobs(
std::unordered_set<ArtifactBlob> blobs) noexcept -> bool {
if (blobs.empty()) {
return true;
}
try {
// First upload all blobs that must use bytestream api because of their
// size:
for (auto it = blobs.begin(); it != blobs.end();) {
if (it->GetContentSize() <= MessageLimits::kMaxGrpcLength) {
++it;
continue;
}
if (not cas_->UpdateSingleBlob(instance_name_, *it)) {
return false;
}
it = blobs.erase(it);
}
// After uploading via stream api, only small blobs that may be uploaded
// using batch are in the container:
return cas_->BatchUpdateBlobs(instance_name_, blobs) == blobs.size();
} catch (...) {
Logger::Log(LogLevel::Warning, "Unknown exception");
return false;
}
}
auto BazelNetwork::UploadBlobs(std::unordered_set<ArtifactBlob>&& blobs,
bool skip_find_missing) noexcept -> bool {
if (not skip_find_missing) {
auto const back_map = BackMap<ArtifactDigest, ArtifactBlob>::Make(
&blobs, [](ArtifactBlob const& blob) { return blob.GetDigest(); });
if (back_map == nullptr) {
return false;
}
// back_map becomes invalid after this call:
blobs = back_map->GetValues(FindMissingBlobs(back_map->GetKeys()));
}
return DoUploadBlobs(std::move(blobs));
}
auto BazelNetwork::ExecuteBazelActionSync(
bazel_re::Digest const& action) noexcept
-> std::optional<BazelExecutionClient::ExecutionOutput> {
auto response =
exec_->Execute(instance_name_, action, exec_config_, true /*wait*/);
if (response.state ==
BazelExecutionClient::ExecutionResponse::State::Ongoing) {
Logger::Log(
LogLevel::Trace, "Waiting for {}", response.execution_handle);
response = exec_->WaitExecution(response.execution_handle);
}
if (response.state !=
BazelExecutionClient::ExecutionResponse::State::Finished or
not response.output) {
Logger::Log(LogLevel::Warning,
"Failed to execute action with execution id {}.",
action.hash());
return std::nullopt;
}
return response.output;
}
auto BazelNetwork::CreateReader() const noexcept -> BazelNetworkReader {
return BazelNetworkReader{instance_name_, cas_.get(), hash_function_};
}
auto BazelNetwork::GetCachedActionResult(
bazel_re::Digest const& action,
std::vector<std::string> const& output_files) const noexcept
-> std::optional<bazel_re::ActionResult> {
return ac_->GetActionResult(
instance_name_, action, false, false, output_files);
}
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