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// Copyright 2024 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/serve/mr_local_api.hpp"
#include <functional>
#include <utility>
#include "src/buildtool/common/protocol_traits.hpp"
#include "src/buildtool/execution_api/utils/rehash_utils.hpp"
#include "src/buildtool/logging/log_level.hpp"
#include "src/buildtool/logging/logger.hpp"
#include "src/buildtool/storage/config.hpp"
#include "src/utils/cpp/expected.hpp"
MRLocalApi::MRLocalApi(
gsl::not_null<LocalContext const*> const& native_context,
gsl::not_null<IExecutionApi const*> const& native_local_api,
LocalContext const* compatible_context,
IExecutionApi const* compatible_local_api) noexcept
: native_context_{native_context},
compat_context_{compatible_context},
native_local_api_{native_local_api},
compat_local_api_{compatible_local_api} {}
auto MRLocalApi::RetrieveToPaths(
std::vector<Artifact::ObjectInfo> const& artifacts_info,
std::vector<std::filesystem::path> const& output_paths,
IExecutionApi const* /*alternative*/) const noexcept -> bool {
// This method can legitimately be called with both native and
// compatible digests when in compatible mode, therefore we need to
// interrogate the hash type of the input.
// we need at least one digest to interrogate the hash type
if (artifacts_info.empty()) {
return true; // nothing to do
}
// native artifacts get dispatched to native local api
if (ProtocolTraits::IsNative(artifacts_info[0].digest.GetHashType())) {
return native_local_api_->RetrieveToPaths(artifacts_info, output_paths);
}
// compatible digests get dispatched to compatible local api
if (compat_local_api_ == nullptr) {
Logger::Log(LogLevel::Error,
"MRLocalApi: Unexpected digest type provided");
return false;
}
return compat_local_api_->RetrieveToPaths(artifacts_info, output_paths);
}
auto MRLocalApi::RetrieveToCas(
std::vector<Artifact::ObjectInfo> const& artifacts_info,
IExecutionApi const& api) const noexcept -> bool {
// return immediately if being passed the same api
if (this == &api) {
return true;
}
// in native mode: dispatch directly to native local api
if (compat_local_api_ == nullptr) {
return native_local_api_->RetrieveToCas(artifacts_info, api);
}
// in compatible mode: if compatible hashes passed, dispatch them to
// compatible local api
if (not artifacts_info.empty() and
not ProtocolTraits::IsNative(artifacts_info[0].digest.GetHashType())) {
return compat_local_api_->RetrieveToCas(artifacts_info, api);
}
auto compat_artifacts = RehashUtils::RehashDigest(
artifacts_info,
*native_context_->storage_config,
*compat_context_->storage_config,
/*apis=*/std::nullopt); // all parts of git trees are present locally
if (not compat_artifacts) {
Logger::Log(LogLevel::Error,
"MRLocalApi: {}",
std::move(compat_artifacts).error());
return false;
}
return compat_local_api_->RetrieveToCas(*compat_artifacts, api);
}
auto MRLocalApi::Upload(std::unordered_set<ArtifactBlob>&& blobs,
bool skip_find_missing) const noexcept -> bool {
// in native mode, dispatch to native local api
if (compat_local_api_ == nullptr) {
return native_local_api_->Upload(std::move(blobs), skip_find_missing);
}
// in compatible mode, dispatch to compatible local api
return compat_local_api_->Upload(std::move(blobs), skip_find_missing);
}
auto MRLocalApi::IsAvailable(ArtifactDigest const& digest) const noexcept
-> bool {
// This method can legitimately be called with both native and
// compatible digests when in compatible mode, therefore we need to
// interrogate the hash type of the input.
// a native digest gets dispatched to native local api
if (ProtocolTraits::IsNative(digest.GetHashType())) {
return native_local_api_->IsAvailable(digest);
}
// compatible digests get dispatched to compatible local api
if (compat_local_api_ == nullptr) {
Logger::Log(LogLevel::Warning,
"MRLocalApi: unexpected digest type provided");
return false;
}
return compat_local_api_->IsAvailable(digest);
}
auto MRLocalApi::GetMissingDigests(
std::unordered_set<ArtifactDigest> const& digests) const noexcept
-> std::unordered_set<ArtifactDigest> {
// This method can legitimately be called with both native and
// compatible digests when in compatible mode, therefore we need to
// interrogate the hash type of the input.
// we need at least one digest to interrogate the hash type
if (digests.empty()) {
return {}; // nothing to do
}
// native digests get dispatched to native local api
if (ProtocolTraits::IsNative(digests.begin()->GetHashType())) {
return native_local_api_->GetMissingDigests(digests);
}
// compatible digests get dispatched to compatible local api
if (compat_local_api_ == nullptr) {
Logger::Log(LogLevel::Warning,
"MRLocalApi: Unexpected digest type provided");
return {};
}
return compat_local_api_->GetMissingDigests(digests);
}
auto MRLocalApi::GetHashType() const noexcept -> HashFunction::Type {
return compat_local_api_ == nullptr ? native_local_api_->GetHashType()
: compat_local_api_->GetHashType();
}
auto MRLocalApi::GetTempSpace() const noexcept -> TmpDir::Ptr {
return native_local_api_->GetTempSpace();
}
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