1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
|
#include "src/buildtool/execution_api/remote/bazel/bazel_response.hpp"
#include "gsl-lite/gsl-lite.hpp"
#include "src/buildtool/compatibility/native_support.hpp"
#include "src/buildtool/execution_api/remote/bazel/bazel_cas_client.hpp"
#include "src/buildtool/logging/logger.hpp"
namespace {
auto ProcessDirectoryMessage(bazel_re::Directory const& dir) noexcept
-> std::optional<BazelBlob> {
auto data = dir.SerializeAsString();
auto digest = ArtifactDigest::Create(data);
return BazelBlob{std::move(digest), std::move(data)};
}
} // namespace
auto BazelResponse::ReadStringBlob(bazel_re::Digest const& id) noexcept
-> std::string {
auto blobs = network_->ReadBlobs({id}).Next();
if (blobs.empty()) {
// TODO(oreiche): logging
return std::string{};
}
return blobs[0].data;
}
auto BazelResponse::Artifacts() const noexcept -> ArtifactInfos {
ArtifactInfos artifacts{};
auto const& action_result = output_.action_result;
artifacts.reserve(
static_cast<std::size_t>(action_result.output_files().size()) +
static_cast<std::size_t>(action_result.output_directories().size()));
// collect files and store them
for (auto const& file : action_result.output_files()) {
try {
artifacts.emplace(file.path(),
Artifact::ObjectInfo{
ArtifactDigest{file.digest()},
file.is_executable() ? ObjectType::Executable
: ObjectType::File});
} catch (...) {
return {};
}
}
if (not Compatibility::IsCompatible()) {
// in native mode: just collect and store tree digests
for (auto const& tree : action_result.output_directories()) {
gsl_ExpectsAudit(NativeSupport::IsTree(tree.tree_digest().hash()));
try {
artifacts.emplace(
tree.path(),
Artifact::ObjectInfo{ArtifactDigest{tree.tree_digest()},
ObjectType::Tree});
} catch (...) {
return {};
}
}
return artifacts;
}
// obtain tree digests for output directories
std::vector<bazel_re::Digest> tree_digests{};
tree_digests.reserve(
gsl::narrow<std::size_t>(action_result.output_directories_size()));
std::transform(action_result.output_directories().begin(),
action_result.output_directories().end(),
std::back_inserter(tree_digests),
[](auto dir) { return dir.tree_digest(); });
// collect root digests from trees and store them
auto blob_reader = network_->ReadBlobs(tree_digests);
auto tree_blobs = blob_reader.Next();
int pos{};
while (not tree_blobs.empty()) {
for (auto const& tree_blob : tree_blobs) {
try {
auto tree = BazelMsgFactory::MessageFromString<bazel_re::Tree>(
tree_blob.data);
if (not tree) {
return {};
}
// The server does not store the Directory messages it just has
// sent us as part of the Tree message. If we want to be able to
// use the Directories as inputs for actions, we have to upload
// them manually.
auto root_digest = UploadTreeMessageDirectories(*tree);
if (not root_digest) {
return {};
}
artifacts.emplace(
action_result.output_directories(pos).path(),
Artifact::ObjectInfo{*root_digest, ObjectType::Tree});
} catch (...) {
return {};
}
++pos;
}
tree_blobs = blob_reader.Next();
}
return artifacts;
}
auto BazelResponse::UploadTreeMessageDirectories(
bazel_re::Tree const& tree) const -> std::optional<ArtifactDigest> {
BlobContainer dir_blobs{};
auto rootdir_blob = ProcessDirectoryMessage(tree.root());
if (not rootdir_blob) {
return std::nullopt;
}
auto root_digest = rootdir_blob->digest;
dir_blobs.Emplace(std::move(*rootdir_blob));
for (auto const& subdir : tree.children()) {
auto subdir_blob = ProcessDirectoryMessage(subdir);
if (not subdir_blob) {
return std::nullopt;
}
dir_blobs.Emplace(std::move(*subdir_blob));
}
if (not network_->UploadBlobs(dir_blobs)) {
Logger::Log(LogLevel::Error,
"uploading Tree's Directory messages failed");
return std::nullopt;
}
return ArtifactDigest{root_digest};
}
|
