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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/other_tools/ops_maps/archive_fetch_map.hpp"
#include <memory>
#include <optional>
#include <string>
#include <vector>
#include "fmt/core.h"
#include "src/buildtool/common/artifact.hpp"
#include "src/buildtool/common/artifact_digest.hpp"
#include "src/buildtool/file_system/file_system_manager.hpp"
#include "src/buildtool/file_system/object_type.hpp"
namespace {
void ProcessContent(std::filesystem::path const& content_path,
std::filesystem::path const& target_name,
gsl::not_null<IExecutionApi const*> const& local_api,
IExecutionApi const* remote_api,
ArtifactDigest const& content_digest,
gsl::not_null<JustMRStatistics*> const& stats,
ArchiveFetchMap::SetterPtr const& setter,
ArchiveFetchMap::LoggerPtr const& logger) {
// try to back up to remote CAS
if (remote_api != nullptr) {
if (not local_api->RetrieveToCas(
{Artifact::ObjectInfo{.digest = content_digest,
.type = ObjectType::File}},
*remote_api)) {
// give a warning
(*logger)(fmt::format("Failed to back up content {} from local CAS "
"to remote",
content_digest.hash()),
/*fatal=*/false);
}
}
// then, copy content into fetch_dir
if (FileSystemManager::Exists(target_name)) {
std::filesystem::permissions(target_name,
std::filesystem::perms::owner_write,
std::filesystem::perm_options::add);
}
if (not FileSystemManager::CopyFile(content_path, target_name)) {
(*logger)(fmt::format("Failed to copy content {} from CAS to {}",
content_digest.hash(),
target_name.string()),
/*fatal=*/true);
return;
}
// success
stats->IncrementExecutedCounter();
(*setter)(true);
}
} // namespace
auto CreateArchiveFetchMap(gsl::not_null<ContentCASMap*> const& content_cas_map,
std::filesystem::path const& fetch_dir,
gsl::not_null<Storage const*> const& storage,
gsl::not_null<IExecutionApi const*> const& local_api,
IExecutionApi const* remote_api,
gsl::not_null<JustMRStatistics*> const& stats,
std::size_t jobs) -> ArchiveFetchMap {
auto fetch_archive = [content_cas_map,
fetch_dir,
storage,
local_api,
remote_api,
stats](auto ts,
auto setter,
auto logger,
auto /* unused */,
auto const& key) {
// get corresponding distfile
auto distfile =
(key.distfile
? key.distfile.value()
: std::filesystem::path(key.fetch_url).filename().string());
auto target_name = fetch_dir / distfile;
// make sure content is in CAS
content_cas_map->ConsumeAfterKeysReady(
ts,
{key},
[target_name,
storage,
local_api,
remote_api,
hash_info = key.content_hash,
stats,
setter,
logger]([[maybe_unused]] auto const& values) {
// content is in local CAS now
auto const& cas = storage->CAS();
ArtifactDigest const digest{hash_info, 0};
auto content_path = cas.BlobPath(digest,
/*is_executable=*/false)
.value();
ProcessContent(content_path,
target_name,
local_api,
remote_api,
digest,
stats,
setter,
logger);
},
[logger, hash = key.content_hash.Hash()](auto const& msg,
bool fatal) {
(*logger)(
fmt::format(
"While ensuring content {} is in CAS:\n{}", hash, msg),
fatal);
});
};
return AsyncMapConsumer<ArchiveContent, bool>(fetch_archive, jobs);
}
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