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Merge pull request #6223 from obsidiansystems/worker-proto-with-version

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Give `nix daemon` and `nix-store --serve` protocols separate serializers with version info
This commit is contained in:
John Ericson 2023-10-23 09:16:23 -04:00 committed by GitHub
commit 8b68bbb777
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GPG key ID: 4AEE18F83AFDEB23
26 changed files with 605 additions and 204 deletions
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33
src/libstore/daemon.cc
View file

@ -261,18 +261,6 @@ struct ClientSettings
}
};
static std::vector<DerivedPath> readDerivedPaths(Store & store, WorkerProto::Version clientVersion, WorkerProto::ReadConn conn)
{
std::vector<DerivedPath> reqs;
if (GET_PROTOCOL_MINOR(clientVersion) >= 30) {
reqs = WorkerProto::Serialise<std::vector<DerivedPath>>::read(store, conn);
} else {
for (auto & s : readStrings<Strings>(conn.from))
reqs.push_back(parsePathWithOutputs(store, s).toDerivedPath());
}
return reqs;
}
static void performOp(TunnelLogger * logger, ref<Store> store,
TrustedFlag trusted, RecursiveFlag recursive, WorkerProto::Version clientVersion,
Source & from, BufferedSink & to, WorkerProto::Op op)
@ -434,7 +422,7 @@ static void performOp(TunnelLogger * logger, ref<Store> store,
}();
logger->stopWork();
pathInfo->write(to, *store, GET_PROTOCOL_MINOR(clientVersion));
WorkerProto::Serialise<ValidPathInfo>::write(*store, wconn, *pathInfo);
} else {
HashType hashAlgo;
std::string baseName;
@ -538,7 +526,7 @@ static void performOp(TunnelLogger * logger, ref<Store> store,
}
case WorkerProto::Op::BuildPaths: {
auto drvs = readDerivedPaths(*store, clientVersion, rconn);
auto drvs = WorkerProto::Serialise<DerivedPaths>::read(*store, rconn);
BuildMode mode = bmNormal;
if (GET_PROTOCOL_MINOR(clientVersion) >= 15) {
mode = (BuildMode) readInt(from);
@ -563,7 +551,7 @@ static void performOp(TunnelLogger * logger, ref<Store> store,
}
case WorkerProto::Op::BuildPathsWithResults: {
auto drvs = readDerivedPaths(*store, clientVersion, rconn);
auto drvs = WorkerProto::Serialise<DerivedPaths>::read(*store, rconn);
BuildMode mode = bmNormal;
mode = (BuildMode) readInt(from);
@ -647,16 +635,7 @@ static void performOp(TunnelLogger * logger, ref<Store> store,
auto res = store->buildDerivation(drvPath, drv, buildMode);
logger->stopWork();
to << res.status << res.errorMsg;
if (GET_PROTOCOL_MINOR(clientVersion) >= 29) {
to << res.timesBuilt << res.isNonDeterministic << res.startTime << res.stopTime;
}
if (GET_PROTOCOL_MINOR(clientVersion) >= 28) {
DrvOutputs builtOutputs;
for (auto & [output, realisation] : res.builtOutputs)
builtOutputs.insert_or_assign(realisation.id, realisation);
WorkerProto::write(*store, wconn, builtOutputs);
}
WorkerProto::write(*store, wconn, res);
break;
}
@ -840,7 +819,7 @@ static void performOp(TunnelLogger * logger, ref<Store> store,
if (info) {
if (GET_PROTOCOL_MINOR(clientVersion) >= 17)
to << 1;
info->write(to, *store, GET_PROTOCOL_MINOR(clientVersion), false);
WorkerProto::write(*store, wconn, static_cast<const UnkeyedValidPathInfo &>(*info));
} else {
assert(GET_PROTOCOL_MINOR(clientVersion) >= 17);
to << 0;
@ -938,7 +917,7 @@ static void performOp(TunnelLogger * logger, ref<Store> store,
}
case WorkerProto::Op::QueryMissing: {
auto targets = readDerivedPaths(*store, clientVersion, rconn);
auto targets = WorkerProto::Serialise<DerivedPaths>::read(*store, rconn);
logger->startWork();
StorePathSet willBuild, willSubstitute, unknown;
uint64_t downloadSize, narSize;

15
src/libstore/legacy-ssh-store.cc
View file

@ -319,20 +319,7 @@ public:
conn->to.flush();
BuildResult status;
status.status = (BuildResult::Status) readInt(conn->from);
conn->from >> status.errorMsg;
if (GET_PROTOCOL_MINOR(conn->remoteVersion) >= 3)
conn->from >> status.timesBuilt >> status.isNonDeterministic >> status.startTime >> status.stopTime;
if (GET_PROTOCOL_MINOR(conn->remoteVersion) >= 6) {
auto builtOutputs = ServeProto::Serialise<DrvOutputs>::read(*this, *conn);
for (auto && [output, realisation] : builtOutputs)
status.builtOutputs.insert_or_assign(
std::move(output.outputName),
std::move(realisation));
}
return status;
return ServeProto::Serialise<BuildResult>::read(*this, *conn);
}
void buildPaths(const std::vector<DerivedPath> & drvPaths, BuildMode buildMode, std::shared_ptr<Store> evalStore) override

77
src/libstore/path-info.cc
View file

@ -1,10 +1,27 @@
#include "path-info.hh"
#include "worker-protocol.hh"
#include "worker-protocol-impl.hh"
#include "store-api.hh"
namespace nix {
GENERATE_CMP_EXT(
,
UnkeyedValidPathInfo,
me->deriver,
me->narHash,
me->references,
me->registrationTime,
me->narSize,
//me->id,
me->ultimate,
me->sigs,
me->ca);
GENERATE_CMP_EXT(
,
ValidPathInfo,
me->path,
static_cast<const UnkeyedValidPathInfo &>(*me));
std::string ValidPathInfo::fingerprint(const Store & store) const
{
if (narSize == 0)
@ -99,14 +116,13 @@ Strings ValidPathInfo::shortRefs() const
return refs;
}
ValidPathInfo::ValidPathInfo(
const Store & store,
std::string_view name,
ContentAddressWithReferences && ca,
Hash narHash)
: path(store.makeFixedOutputPathFromCA(name, ca))
, narHash(narHash)
: UnkeyedValidPathInfo(narHash)
, path(store.makeFixedOutputPathFromCA(name, ca))
{
std::visit(overloaded {
[this](TextInfo && ti) {
@ -128,55 +144,4 @@ ValidPathInfo::ValidPathInfo(
}, std::move(ca).raw);
}
ValidPathInfo ValidPathInfo::read(Source & source, const Store & store, unsigned int format)
{
return read(source, store, format, store.parseStorePath(readString(source)));
}
ValidPathInfo ValidPathInfo::read(Source & source, const Store & store, unsigned int format, StorePath && path)
{
auto deriver = readString(source);
auto narHash = Hash::parseAny(readString(source), htSHA256);
ValidPathInfo info(path, narHash);
if (deriver != "") info.deriver = store.parseStorePath(deriver);
info.references = WorkerProto::Serialise<StorePathSet>::read(store,
WorkerProto::ReadConn {
.from = source,
.version = format,
});
source >> info.registrationTime >> info.narSize;
if (format >= 16) {
source >> info.ultimate;
info.sigs = readStrings<StringSet>(source);
info.ca = ContentAddress::parseOpt(readString(source));
}
return info;
}
void ValidPathInfo::write(
Sink & sink,
const Store & store,
unsigned int format,
bool includePath) const
{
if (includePath)
sink << store.printStorePath(path);
sink << (deriver ? store.printStorePath(*deriver) : "")
<< narHash.to_string(HashFormat::Base16, false);
WorkerProto::write(store,
WorkerProto::WriteConn {
.to = sink,
.version = format,
},
references);
sink << registrationTime << narSize;
if (format >= 16) {
sink << ultimate
<< sigs
<< renderContentAddress(ca);
}
}
}

36
src/libstore/path-info.hh
View file

@ -32,9 +32,8 @@ struct SubstitutablePathInfo
typedef std::map<StorePath, SubstitutablePathInfo> SubstitutablePathInfos;
struct ValidPathInfo
struct UnkeyedValidPathInfo
{
StorePath path;
std::optional<StorePath> deriver;
/**
* \todo document this
@ -72,6 +71,20 @@ struct ValidPathInfo
*/
std::optional<ContentAddress> ca;
UnkeyedValidPathInfo(const UnkeyedValidPathInfo & other) = default;
UnkeyedValidPathInfo(Hash narHash) : narHash(narHash) { };
DECLARE_CMP(UnkeyedValidPathInfo);
virtual ~UnkeyedValidPathInfo() { }
};
struct ValidPathInfo : UnkeyedValidPathInfo {
StorePath path;
DECLARE_CMP(ValidPathInfo);
/**
* Return a fingerprint of the store path to be used in binary
* cache signatures. It contains the store path, the base-32
@ -84,11 +97,11 @@ struct ValidPathInfo
void sign(const Store & store, const SecretKey & secretKey);
/**
* @return The `ContentAddressWithReferences` that determines the
* store path for a content-addressed store object, `std::nullopt`
* for an input-addressed store object.
*/
/**
* @return The `ContentAddressWithReferences` that determines the
* store path for a content-addressed store object, `std::nullopt`
* for an input-addressed store object.
*/
std::optional<ContentAddressWithReferences> contentAddressWithReferences() const;
/**
@ -114,18 +127,13 @@ struct ValidPathInfo
ValidPathInfo(const ValidPathInfo & other) = default;
ValidPathInfo(StorePath && path, Hash narHash) : path(std::move(path)), narHash(narHash) { };
ValidPathInfo(const StorePath & path, Hash narHash) : path(path), narHash(narHash) { };
ValidPathInfo(StorePath && path, UnkeyedValidPathInfo info) : UnkeyedValidPathInfo(info), path(std::move(path)) { };
ValidPathInfo(const StorePath & path, UnkeyedValidPathInfo info) : UnkeyedValidPathInfo(info), path(path) { };
ValidPathInfo(const Store & store,
std::string_view name, ContentAddressWithReferences && ca, Hash narHash);
virtual ~ValidPathInfo() { }
static ValidPathInfo read(Source & source, const Store & store, unsigned int format);
static ValidPathInfo read(Source & source, const Store & store, unsigned int format, StorePath && path);
void write(Sink & sink, const Store & store, unsigned int format, bool includePath = true) const;
};
typedef std::map<StorePath, ValidPathInfo> ValidPathInfos;

60
src/libstore/remote-store.cc
View file

@ -332,7 +332,8 @@ void RemoteStore::queryPathInfoUncached(const StorePath & path,
if (!valid) throw InvalidPath("path '%s' is not valid", printStorePath(path));
}
info = std::make_shared<ValidPathInfo>(
ValidPathInfo::read(conn->from, *this, GET_PROTOCOL_MINOR(conn->daemonVersion), StorePath{path}));
StorePath{path},
WorkerProto::Serialise<UnkeyedValidPathInfo>::read(*this, *conn));
}
callback(std::move(info));
} catch (...) { callback.rethrow(); }
@ -445,7 +446,7 @@ ref<const ValidPathInfo> RemoteStore::addCAToStore(
}
return make_ref<ValidPathInfo>(
ValidPathInfo::read(conn->from, *this, GET_PROTOCOL_MINOR(conn->daemonVersion)));
WorkerProto::Serialise<ValidPathInfo>::read(*this, *conn));
}
else {
if (repair) throw Error("repairing is not supported when building through the Nix daemon protocol < 1.25");
@ -570,7 +571,12 @@ void RemoteStore::addMultipleToStore(
auto source = sinkToSource([&](Sink & sink) {
sink << pathsToCopy.size();
for (auto & [pathInfo, pathSource] : pathsToCopy) {
pathInfo.write(sink, *this, 16);
WorkerProto::Serialise<ValidPathInfo>::write(*this,
WorkerProto::WriteConn {
.to = sink,
.version = 16,
},
pathInfo);
pathSource->drainInto(sink);
}
});
@ -655,33 +661,6 @@ void RemoteStore::queryRealisationUncached(const DrvOutput & id,
} catch (...) { return callback.rethrow(); }
}
static void writeDerivedPaths(RemoteStore & store, RemoteStore::Connection & conn, const std::vector<DerivedPath> & reqs)
{
if (GET_PROTOCOL_MINOR(conn.daemonVersion) >= 30) {
WorkerProto::write(store, conn, reqs);
} else {
Strings ss;
for (auto & p : reqs) {
auto sOrDrvPath = StorePathWithOutputs::tryFromDerivedPath(p);
std::visit(overloaded {
[&](const StorePathWithOutputs & s) {
ss.push_back(s.to_string(store));
},
[&](const StorePath & drvPath) {
throw Error("trying to request '%s', but daemon protocol %d.%d is too old (< 1.29) to request a derivation file",
store.printStorePath(drvPath),
GET_PROTOCOL_MAJOR(conn.daemonVersion),
GET_PROTOCOL_MINOR(conn.daemonVersion));
},
[&](std::monostate) {
throw Error("wanted to build a derivation that is itself a build product, but the legacy 'ssh://' protocol doesn't support that. Try using 'ssh-ng://'");
},
}, sOrDrvPath);
}
conn.to << ss;
}
}
void RemoteStore::copyDrvsFromEvalStore(
const std::vector<DerivedPath> & paths,
std::shared_ptr<Store> evalStore)
@ -711,7 +690,7 @@ void RemoteStore::buildPaths(const std::vector<DerivedPath> & drvPaths, BuildMod
auto conn(getConnection());
conn->to << WorkerProto::Op::BuildPaths;
assert(GET_PROTOCOL_MINOR(conn->daemonVersion) >= 13);
writeDerivedPaths(*this, *conn, drvPaths);
WorkerProto::write(*this, *conn, drvPaths);
if (GET_PROTOCOL_MINOR(conn->daemonVersion) >= 15)
conn->to << buildMode;
else
@ -735,7 +714,7 @@ std::vector<KeyedBuildResult> RemoteStore::buildPathsWithResults(
if (GET_PROTOCOL_MINOR(conn->daemonVersion) >= 34) {
conn->to << WorkerProto::Op::BuildPathsWithResults;
writeDerivedPaths(*this, *conn, paths);
WorkerProto::write(*this, *conn, paths);
conn->to << buildMode;
conn.processStderr();
return WorkerProto::Serialise<std::vector<KeyedBuildResult>>::read(*this, *conn);
@ -815,20 +794,7 @@ BuildResult RemoteStore::buildDerivation(const StorePath & drvPath, const BasicD
writeDerivation(conn->to, *this, drv);
conn->to << buildMode;
conn.processStderr();
BuildResult res;
res.status = (BuildResult::Status) readInt(conn->from);
conn->from >> res.errorMsg;
if (GET_PROTOCOL_MINOR(conn->daemonVersion) >= 29) {
conn->from >> res.timesBuilt >> res.isNonDeterministic >> res.startTime >> res.stopTime;
}
if (GET_PROTOCOL_MINOR(conn->daemonVersion) >= 28) {
auto builtOutputs = WorkerProto::Serialise<DrvOutputs>::read(*this, *conn);
for (auto && [output, realisation] : builtOutputs)
res.builtOutputs.insert_or_assign(
std::move(output.outputName),
std::move(realisation));
}
return res;
return WorkerProto::Serialise<BuildResult>::read(*this, *conn);
}
@ -929,7 +895,7 @@ void RemoteStore::queryMissing(const std::vector<DerivedPath> & targets,
// to prevent a deadlock.
goto fallback;
conn->to << WorkerProto::Op::QueryMissing;
writeDerivedPaths(*this, *conn, targets);
WorkerProto::write(*this, *conn, targets);
conn.processStderr();
willBuild = WorkerProto::Serialise<StorePathSet>::read(*this, *conn);
willSubstitute = WorkerProto::Serialise<StorePathSet>::read(*this, *conn);

43
src/libstore/serve-protocol.cc
View file

@ -2,6 +2,7 @@
#include "util.hh"
#include "path-with-outputs.hh"
#include "store-api.hh"
#include "build-result.hh"
#include "serve-protocol.hh"
#include "serve-protocol-impl.hh"
#include "archive.hh"
@ -12,4 +13,46 @@ namespace nix {
/* protocol-specific definitions */
BuildResult ServeProto::Serialise<BuildResult>::read(const Store & store, ServeProto::ReadConn conn)
{
BuildResult status;
status.status = (BuildResult::Status) readInt(conn.from);
conn.from >> status.errorMsg;
if (GET_PROTOCOL_MINOR(conn.version) >= 3)
conn.from
>> status.timesBuilt
>> status.isNonDeterministic
>> status.startTime
>> status.stopTime;
if (GET_PROTOCOL_MINOR(conn.version) >= 6) {
auto builtOutputs = ServeProto::Serialise<DrvOutputs>::read(store, conn);
for (auto && [output, realisation] : builtOutputs)
status.builtOutputs.insert_or_assign(
std::move(output.outputName),
std::move(realisation));
}
return status;
}
void ServeProto::Serialise<BuildResult>::write(const Store & store, ServeProto::WriteConn conn, const BuildResult & status)
{
conn.to
<< status.status
<< status.errorMsg;
if (GET_PROTOCOL_MINOR(conn.version) >= 3)
conn.to
<< status.timesBuilt
<< status.isNonDeterministic
<< status.startTime
<< status.stopTime;
if (GET_PROTOCOL_MINOR(conn.version) >= 6) {
DrvOutputs builtOutputs;
for (auto & [output, realisation] : status.builtOutputs)
builtOutputs.insert_or_assign(realisation.id, realisation);
ServeProto::write(store, conn, builtOutputs);
}
}
}

6
src/libstore/serve-protocol.hh
View file

@ -16,6 +16,9 @@ namespace nix {
class Store;
struct Source;
// items being serialised
struct BuildResult;
/**
* The "serve protocol", used by ssh:// stores.
@ -136,6 +139,9 @@ inline std::ostream & operator << (std::ostream & s, ServeProto::Command op)
static void write(const Store & store, ServeProto::WriteConn conn, const T & t); \
};
template<>
DECLARE_SERVE_SERIALISER(BuildResult);
template<typename T>
DECLARE_SERVE_SERIALISER(std::vector<T>);
template<typename T>

11
src/libstore/store-api.cc
View file

@ -11,6 +11,9 @@
#include "archive.hh"
#include "callback.hh"
#include "remote-store.hh"
// FIXME this should not be here, see TODO below on
// `addMultipleToStore`.
#include "worker-protocol.hh"
#include <nlohmann/json.hpp>
#include <regex>
@ -361,7 +364,13 @@ void Store::addMultipleToStore(
{
auto expected = readNum<uint64_t>(source);
for (uint64_t i = 0; i < expected; ++i) {
auto info = ValidPathInfo::read(source, *this, 16);
// FIXME we should not be using the worker protocol here, let
// alone the worker protocol with a hard-coded version!
auto info = WorkerProto::Serialise<ValidPathInfo>::read(*this,
WorkerProto::ReadConn {
.from = source,
.version = 16,
});
info.ultimate = false;
addToStore(info, source, repair, checkSigs);
}

113
src/libstore/tests/serve-protocol.cc
View file

@ -19,7 +19,7 @@ struct ServeProtoTest : VersionedProtoTest<ServeProto, serveProtoDir>
* For serializers that don't care about the minimum version, we
* used the oldest one: 1.0.
*/
ServeProto::Version defaultVersion = 1 << 8 | 0;
ServeProto::Version defaultVersion = 2 << 8 | 0;
};
VERSIONED_CHARACTERIZATION_TEST(
@ -114,6 +114,117 @@ VERSIONED_CHARACTERIZATION_TEST(
},
}))
VERSIONED_CHARACTERIZATION_TEST(
ServeProtoTest,
buildResult_2_2,
"build-result-2.2",
2 << 8 | 2,
({
using namespace std::literals::chrono_literals;
std::tuple<BuildResult, BuildResult, BuildResult> t {
BuildResult {
.status = BuildResult::OutputRejected,
.errorMsg = "no idea why",
},
BuildResult {
.status = BuildResult::NotDeterministic,
.errorMsg = "no idea why",
},
BuildResult {
.status = BuildResult::Built,
},
};
t;
}))
VERSIONED_CHARACTERIZATION_TEST(
ServeProtoTest,
buildResult_2_3,
"build-result-2.3",
2 << 8 | 3,
({
using namespace std::literals::chrono_literals;
std::tuple<BuildResult, BuildResult, BuildResult> t {
BuildResult {
.status = BuildResult::OutputRejected,
.errorMsg = "no idea why",
},
BuildResult {
.status = BuildResult::NotDeterministic,
.errorMsg = "no idea why",
.timesBuilt = 3,
.isNonDeterministic = true,
.startTime = 30,
.stopTime = 50,
},
BuildResult {
.status = BuildResult::Built,
.startTime = 30,
.stopTime = 50,
},
};
t;
}))
VERSIONED_CHARACTERIZATION_TEST(
ServeProtoTest,
buildResult_2_6,
"build-result-2.6",
2 << 8 | 6,
({
using namespace std::literals::chrono_literals;
std::tuple<BuildResult, BuildResult, BuildResult> t {
BuildResult {
.status = BuildResult::OutputRejected,
.errorMsg = "no idea why",
},
BuildResult {
.status = BuildResult::NotDeterministic,
.errorMsg = "no idea why",
.timesBuilt = 3,
.isNonDeterministic = true,
.startTime = 30,
.stopTime = 50,
},
BuildResult {
.status = BuildResult::Built,
.timesBuilt = 1,
.builtOutputs = {
{
"foo",
{
.id = DrvOutput {
.drvHash = Hash::parseSRI("sha256-b4afnqKCO9oWXgYHb9DeQ2berSwOjS27rSd9TxXDc/U="),
.outputName = "foo",
},
.outPath = StorePath { "g1w7hy3qg1w7hy3qg1w7hy3qg1w7hy3q-foo" },
},
},
{
"bar",
{
.id = DrvOutput {
.drvHash = Hash::parseSRI("sha256-b4afnqKCO9oWXgYHb9DeQ2berSwOjS27rSd9TxXDc/U="),
.outputName = "bar",
},
.outPath = StorePath { "g1w7hy3qg1w7hy3qg1w7hy3qg1w7hy3q-bar" },
},
},
},
.startTime = 30,
.stopTime = 50,
#if 0
// These fields are not yet serialized.
// FIXME Include in next version of protocol or document
// why they are skipped.
.cpuUser = std::chrono::milliseconds(500s),
.cpuSystem = std::chrono::milliseconds(604s),
#endif
},
};
t;
}))
VERSIONED_CHARACTERIZATION_TEST(
ServeProtoTest,
vector,

273
src/libstore/tests/worker-protocol.cc
View file

@ -69,13 +69,45 @@ VERSIONED_CHARACTERIZATION_TEST(
VERSIONED_CHARACTERIZATION_TEST(
WorkerProtoTest,
derivedPath,
"derived-path",
defaultVersion,
(std::tuple<DerivedPath, DerivedPath> {
derivedPath_1_29,
"derived-path-1.29",
1 << 8 | 29,
(std::tuple<DerivedPath, DerivedPath, DerivedPath> {
DerivedPath::Opaque {
.path = StorePath { "g1w7hy3qg1w7hy3qg1w7hy3qg1w7hy3q-foo" },
},
DerivedPath::Built {
.drvPath = makeConstantStorePathRef(StorePath {
"g1w7hy3qg1w7hy3qg1w7hy3qg1w7hy3q-bar.drv",
}),
.outputs = OutputsSpec::All { },
},
DerivedPath::Built {
.drvPath = makeConstantStorePathRef(StorePath {
"g1w7hy3qg1w7hy3qg1w7hy3qg1w7hy3q-bar.drv",
}),
.outputs = OutputsSpec::Names { "x", "y" },
},
}))
VERSIONED_CHARACTERIZATION_TEST(
WorkerProtoTest,
derivedPath_1_30,
"derived-path-1.30",
1 << 8 | 30,
(std::tuple<DerivedPath, DerivedPath, DerivedPath, DerivedPath> {
DerivedPath::Opaque {
.path = StorePath { "g1w7hy3qg1w7hy3qg1w7hy3qg1w7hy3q-foo" },
},
DerivedPath::Opaque {
.path = StorePath { "g1w7hy3qg1w7hy3qg1w7hy3qg1w7hy3q-foo.drv" },
},
DerivedPath::Built {
.drvPath = makeConstantStorePathRef(StorePath {
"g1w7hy3qg1w7hy3qg1w7hy3qg1w7hy3q-bar.drv",
}),
.outputs = OutputsSpec::All { },
},
DerivedPath::Built {
.drvPath = makeConstantStorePathRef(StorePath {
"g1w7hy3qg1w7hy3qg1w7hy3qg1w7hy3q-bar.drv",
@ -135,9 +167,77 @@ VERSIONED_CHARACTERIZATION_TEST(
VERSIONED_CHARACTERIZATION_TEST(
WorkerProtoTest,
buildResult,
"build-result",
defaultVersion,
buildResult_1_27,
"build-result-1.27",
1 << 8 | 27,
({
using namespace std::literals::chrono_literals;
std::tuple<BuildResult, BuildResult, BuildResult> t {
BuildResult {
.status = BuildResult::OutputRejected,
.errorMsg = "no idea why",
},
BuildResult {
.status = BuildResult::NotDeterministic,
.errorMsg = "no idea why",
},
BuildResult {
.status = BuildResult::Built,
},
};
t;
}))
VERSIONED_CHARACTERIZATION_TEST(
WorkerProtoTest,
buildResult_1_28,
"build-result-1.28",
1 << 8 | 28,
({
using namespace std::literals::chrono_literals;
std::tuple<BuildResult, BuildResult, BuildResult> t {
BuildResult {
.status = BuildResult::OutputRejected,
.errorMsg = "no idea why",
},
BuildResult {
.status = BuildResult::NotDeterministic,
.errorMsg = "no idea why",
},
BuildResult {
.status = BuildResult::Built,
.builtOutputs = {
{
"foo",
{
.id = DrvOutput {
.drvHash = Hash::parseSRI("sha256-b4afnqKCO9oWXgYHb9DeQ2berSwOjS27rSd9TxXDc/U="),
.outputName = "foo",
},
.outPath = StorePath { "g1w7hy3qg1w7hy3qg1w7hy3qg1w7hy3q-foo" },
},
},
{
"bar",
{
.id = DrvOutput {
.drvHash = Hash::parseSRI("sha256-b4afnqKCO9oWXgYHb9DeQ2berSwOjS27rSd9TxXDc/U="),
.outputName = "bar",
},
.outPath = StorePath { "g1w7hy3qg1w7hy3qg1w7hy3qg1w7hy3q-bar" },
},
},
},
},
};
t;
}))
VERSIONED_CHARACTERIZATION_TEST(
WorkerProtoTest,
buildResult_1_29,
"build-result-1.29",
1 << 8 | 29,
({
using namespace std::literals::chrono_literals;
std::tuple<BuildResult, BuildResult, BuildResult> t {
@ -194,9 +294,9 @@ VERSIONED_CHARACTERIZATION_TEST(
VERSIONED_CHARACTERIZATION_TEST(
WorkerProtoTest,
keyedBuildResult,
"keyed-build-result",
defaultVersion,
keyedBuildResult_1_29,
"keyed-build-result-1.29",
1 << 8 | 29,
({
using namespace std::literals::chrono_literals;
std::tuple<KeyedBuildResult, KeyedBuildResult/*, KeyedBuildResult*/> t {
@ -229,6 +329,159 @@ VERSIONED_CHARACTERIZATION_TEST(
t;
}))
VERSIONED_CHARACTERIZATION_TEST(
WorkerProtoTest,
unkeyedValidPathInfo_1_15,
"unkeyed-valid-path-info-1.15",
1 << 8 | 15,
(std::tuple<UnkeyedValidPathInfo, UnkeyedValidPathInfo> {
({
UnkeyedValidPathInfo info {
Hash::parseSRI("sha256-FePFYIlMuycIXPZbWi7LGEiMmZSX9FMbaQenWBzm1Sc="),
};
info.registrationTime = 23423;
info.narSize = 34878;
info;
}),
({
UnkeyedValidPathInfo info {
Hash::parseSRI("sha256-FePFYIlMuycIXPZbWi7LGEiMmZSX9FMbaQenWBzm1Sc="),
};
info.deriver = StorePath {
"g1w7hy3qg1w7hy3qg1w7hy3qg1w7hy3q-bar.drv",
};
info.references = {
StorePath {
"g1w7hyyyy1w7hy3qg1w7hy3qgqqqqy3q-foo.drv",
},
};
info.registrationTime = 23423;
info.narSize = 34878;
info;
}),
}))
VERSIONED_CHARACTERIZATION_TEST(
WorkerProtoTest,
validPathInfo_1_15,
"valid-path-info-1.15",
1 << 8 | 15,
(std::tuple<ValidPathInfo, ValidPathInfo> {
({
ValidPathInfo info {
StorePath {
"g1w7hy3qg1w7hy3qg1w7hy3qg1w7hy3q-bar",
},
UnkeyedValidPathInfo {
Hash::parseSRI("sha256-FePFYIlMuycIXPZbWi7LGEiMmZSX9FMbaQenWBzm1Sc="),
},
};
info.registrationTime = 23423;
info.narSize = 34878;
info;
}),
({
ValidPathInfo info {
StorePath {
"g1w7hy3qg1w7hy3qg1w7hy3qg1w7hy3q-bar",
},
UnkeyedValidPathInfo {
Hash::parseSRI("sha256-FePFYIlMuycIXPZbWi7LGEiMmZSX9FMbaQenWBzm1Sc="),
},
};
info.deriver = StorePath {
"g1w7hy3qg1w7hy3qg1w7hy3qg1w7hy3q-bar.drv",
};
info.references = {
// other reference
StorePath {
"g1w7hyyyy1w7hy3qg1w7hy3qgqqqqy3q-foo",
},
// self reference
StorePath {
"g1w7hy3qg1w7hy3qg1w7hy3qg1w7hy3q-bar",
},
};
info.registrationTime = 23423;
info.narSize = 34878;
info;
}),
}))
VERSIONED_CHARACTERIZATION_TEST(
WorkerProtoTest,
validPathInfo_1_16,
"valid-path-info-1.16",
1 << 8 | 16,
(std::tuple<ValidPathInfo, ValidPathInfo, ValidPathInfo> {
({
ValidPathInfo info {
StorePath {
"g1w7hy3qg1w7hy3qg1w7hy3qg1w7hy3q-bar",
},
UnkeyedValidPathInfo {
Hash::parseSRI("sha256-FePFYIlMuycIXPZbWi7LGEiMmZSX9FMbaQenWBzm1Sc="),
},
};
info.registrationTime = 23423;
info.narSize = 34878;
info.ultimate = true;
info;
}),
({
ValidPathInfo info {
StorePath {
"g1w7hy3qg1w7hy3qg1w7hy3qg1w7hy3q-bar",
},
UnkeyedValidPathInfo {
Hash::parseSRI("sha256-FePFYIlMuycIXPZbWi7LGEiMmZSX9FMbaQenWBzm1Sc="),
},
};
info.deriver = StorePath {
"g1w7hy3qg1w7hy3qg1w7hy3qg1w7hy3q-bar.drv",
};
info.references = {
// other reference
StorePath {
"g1w7hyyyy1w7hy3qg1w7hy3qgqqqqy3q-foo",
},
// self reference
StorePath {
"g1w7hy3qg1w7hy3qg1w7hy3qg1w7hy3q-bar",
},
};
info.registrationTime = 23423;
info.narSize = 34878;
info.sigs = {
"fake-sig-1",
"fake-sig-2",
},
info;
}),
({
ValidPathInfo info {
*LibStoreTest::store,
"foo",
FixedOutputInfo {
.method = FileIngestionMethod::Recursive,
.hash = hashString(HashType::htSHA256, "(...)"),
.references = {
.others = {
StorePath {
"g1w7hy3qg1w7hy3qg1w7hy3qg1w7hy3q-bar",
},
},
.self = true,
},
},
Hash::parseSRI("sha256-FePFYIlMuycIXPZbWi7LGEiMmZSX9FMbaQenWBzm1Sc="),
};
info.registrationTime = 23423;
info.narSize = 34878;
info;
}),
}))
VERSIONED_CHARACTERIZATION_TEST(
WorkerProtoTest,
optionalTrustedFlag,

124
src/libstore/worker-protocol.cc
View file

@ -6,7 +6,7 @@
#include "worker-protocol.hh"
#include "worker-protocol-impl.hh"
#include "archive.hh"
#include "derivations.hh"
#include "path-info.hh"
#include <nlohmann/json.hpp>
@ -51,12 +51,34 @@ void WorkerProto::Serialise<std::optional<TrustedFlag>>::write(const Store & sto
DerivedPath WorkerProto::Serialise<DerivedPath>::read(const Store & store, WorkerProto::ReadConn conn)
{
auto s = readString(conn.from);
return DerivedPath::parseLegacy(store, s);
if (GET_PROTOCOL_MINOR(conn.version) >= 30) {
return DerivedPath::parseLegacy(store, s);
} else {
return parsePathWithOutputs(store, s).toDerivedPath();
}
}
void WorkerProto::Serialise<DerivedPath>::write(const Store & store, WorkerProto::WriteConn conn, const DerivedPath & req)
{
conn.to << req.to_string_legacy(store);
if (GET_PROTOCOL_MINOR(conn.version) >= 30) {
conn.to << req.to_string_legacy(store);
} else {
auto sOrDrvPath = StorePathWithOutputs::tryFromDerivedPath(req);
std::visit(overloaded {
[&](const StorePathWithOutputs & s) {
conn.to << s.to_string(store);
},
[&](const StorePath & drvPath) {
throw Error("trying to request '%s', but daemon protocol %d.%d is too old (< 1.29) to request a derivation file",
store.printStorePath(drvPath),
GET_PROTOCOL_MAJOR(conn.version),
GET_PROTOCOL_MINOR(conn.version));
},
[&](std::monostate) {
throw Error("wanted to build a derivation that is itself a build product, but protocols do not support that. Try upgrading the Nix on the other end of this connection");
},
}, sOrDrvPath);
}
}
@ -81,17 +103,21 @@ BuildResult WorkerProto::Serialise<BuildResult>::read(const Store & store, Worke
{
BuildResult res;
res.status = (BuildResult::Status) readInt(conn.from);
conn.from
>> res.errorMsg
>> res.timesBuilt
>> res.isNonDeterministic
>> res.startTime
>> res.stopTime;
auto builtOutputs = WorkerProto::Serialise<DrvOutputs>::read(store, conn);
for (auto && [output, realisation] : builtOutputs)
res.builtOutputs.insert_or_assign(
std::move(output.outputName),
std::move(realisation));
conn.from >> res.errorMsg;
if (GET_PROTOCOL_MINOR(conn.version) >= 29) {
conn.from
>> res.timesBuilt
>> res.isNonDeterministic
>> res.startTime
>> res.stopTime;
}
if (GET_PROTOCOL_MINOR(conn.version) >= 28) {
auto builtOutputs = WorkerProto::Serialise<DrvOutputs>::read(store, conn);
for (auto && [output, realisation] : builtOutputs)
res.builtOutputs.insert_or_assign(
std::move(output.outputName),
std::move(realisation));
}
return res;
}
@ -99,16 +125,68 @@ void WorkerProto::Serialise<BuildResult>::write(const Store & store, WorkerProto
{
conn.to
<< res.status
<< res.errorMsg
<< res.timesBuilt
<< res.isNonDeterministic
<< res.startTime
<< res.stopTime;
DrvOutputs builtOutputs;
for (auto & [output, realisation] : res.builtOutputs)
builtOutputs.insert_or_assign(realisation.id, realisation);
WorkerProto::write(store, conn, builtOutputs);
<< res.errorMsg;
if (GET_PROTOCOL_MINOR(conn.version) >= 29) {
conn.to
<< res.timesBuilt
<< res.isNonDeterministic
<< res.startTime
<< res.stopTime;
}
if (GET_PROTOCOL_MINOR(conn.version) >= 28) {
DrvOutputs builtOutputs;
for (auto & [output, realisation] : res.builtOutputs)
builtOutputs.insert_or_assign(realisation.id, realisation);
WorkerProto::write(store, conn, builtOutputs);
}
}
ValidPathInfo WorkerProto::Serialise<ValidPathInfo>::read(const Store & store, ReadConn conn)
{
auto path = WorkerProto::Serialise<StorePath>::read(store, conn);
return ValidPathInfo {
std::move(path),
WorkerProto::Serialise<UnkeyedValidPathInfo>::read(store, conn),
};
}
void WorkerProto::Serialise<ValidPathInfo>::write(const Store & store, WriteConn conn, const ValidPathInfo & pathInfo)
{
WorkerProto::write(store, conn, pathInfo.path);
WorkerProto::write(store, conn, static_cast<const UnkeyedValidPathInfo &>(pathInfo));
}
UnkeyedValidPathInfo WorkerProto::Serialise<UnkeyedValidPathInfo>::read(const Store & store, ReadConn conn)
{
auto deriver = readString(conn.from);
auto narHash = Hash::parseAny(readString(conn.from), htSHA256);
UnkeyedValidPathInfo info(narHash);
if (deriver != "") info.deriver = store.parseStorePath(deriver);
info.references = WorkerProto::Serialise<StorePathSet>::read(store, conn);
conn.from >> info.registrationTime >> info.narSize;
if (GET_PROTOCOL_MINOR(conn.version) >= 16) {
conn.from >> info.ultimate;
info.sigs = readStrings<StringSet>(conn.from);
info.ca = ContentAddress::parseOpt(readString(conn.from));
}
return info;
}
void WorkerProto::Serialise<UnkeyedValidPathInfo>::write(const Store & store, WriteConn conn, const UnkeyedValidPathInfo & pathInfo)
{
conn.to
<< (pathInfo.deriver ? store.printStorePath(*pathInfo.deriver) : "")
<< pathInfo.narHash.to_string(HashFormat::Base16, false);
WorkerProto::write(store, conn, pathInfo.references);
conn.to << pathInfo.registrationTime << pathInfo.narSize;
if (GET_PROTOCOL_MINOR(conn.version) >= 16) {
conn.to
<< pathInfo.ultimate
<< pathInfo.sigs
<< renderContentAddress(pathInfo.ca);
}
}
}

6
src/libstore/worker-protocol.hh
View file

@ -31,6 +31,8 @@ struct Source;
struct DerivedPath;
struct BuildResult;
struct KeyedBuildResult;
struct ValidPathInfo;
struct UnkeyedValidPathInfo;
enum TrustedFlag : bool;
@ -206,6 +208,10 @@ DECLARE_WORKER_SERIALISER(BuildResult);
template<>
DECLARE_WORKER_SERIALISER(KeyedBuildResult);
template<>
DECLARE_WORKER_SERIALISER(ValidPathInfo);
template<>
DECLARE_WORKER_SERIALISER(UnkeyedValidPathInfo);
template<>
DECLARE_WORKER_SERIALISER(std::optional<TrustedFlag>);
template<typename T>

12
src/nix-store/nix-store.cc
View file

@ -959,17 +959,7 @@ static void opServe(Strings opFlags, Strings opArgs)
MonitorFdHup monitor(in.fd);
auto status = store->buildDerivation(drvPath, drv);
out << status.status << status.errorMsg;
if (GET_PROTOCOL_MINOR(clientVersion) >= 3)
out << status.timesBuilt << status.isNonDeterministic << status.startTime << status.stopTime;
if (GET_PROTOCOL_MINOR(clientVersion) >= 6) {
DrvOutputs builtOutputs;
for (auto & [output, realisation] : status.builtOutputs)
builtOutputs.insert_or_assign(realisation.id, realisation);
ServeProto::write(*store, wconn, builtOutputs);
}
ServeProto::write(*store, wconn, status);
break;
}

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