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Implement LegacySSHStore::buildDerivation()

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This makes LegacySSHStore usable by build-remote and
hydra-queue-runner.
This commit is contained in:
Eelco Dolstra 2017-05-01 16:08:13 +02:00
parent 3f5b98e65a
commit deac171925
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GPG key ID: 8170B4726D7198DE
1 changed files with 32 additions and 5 deletions
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37
src/libstore/legacy-ssh-store.cc
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@ -5,6 +5,7 @@
#include "store-api.hh"
#include "worker-protocol.hh"
#include "ssh.hh"
#include "derivations.hh"
namespace nix {
@ -21,6 +22,7 @@ struct LegacySSHStore : public Store
std::unique_ptr<SSHMaster::Connection> sshConn;
FdSink to;
FdSource from;
int remoteVersion;
};
std::string host;
@ -53,8 +55,6 @@ struct LegacySSHStore : public Store
conn->to = FdSink(conn->sshConn->in.get());
conn->from = FdSource(conn->sshConn->out.get());
int remoteVersion;
try {
conn->to << SERVE_MAGIC_1 << SERVE_PROTOCOL_VERSION;
conn->to.flush();
@ -62,8 +62,8 @@ struct LegacySSHStore : public Store
unsigned int magic = readInt(conn->from);
if (magic != SERVE_MAGIC_2)
throw Error("protocol mismatch with ‘nix-store --serve’ on ‘%s’", host);
remoteVersion = readInt(conn->from);
if (GET_PROTOCOL_MAJOR(remoteVersion) != 0x200)
conn->remoteVersion = readInt(conn->from);
if (GET_PROTOCOL_MAJOR(conn->remoteVersion) != 0x200)
throw Error("unsupported ‘nix-store --serve’ protocol version on ‘%s’", host);
} catch (EndOfFile & e) {
@ -173,7 +173,34 @@ struct LegacySSHStore : public Store
BuildResult buildDerivation(const Path & drvPath, const BasicDerivation & drv,
BuildMode buildMode) override
{ unsupported(); }
{
auto conn(connections->get());
conn->to
<< cmdBuildDerivation
<< drvPath
<< drv
<< settings.maxSilentTime
<< settings.buildTimeout;
if (GET_PROTOCOL_MINOR(conn->remoteVersion) >= 2)
conn->to
<< settings.maxLogSize;
if (GET_PROTOCOL_MINOR(conn->remoteVersion) >= 3)
conn->to
<< settings.buildRepeat
<< settings.enforceDeterminism;
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;
return status;
}
void ensurePath(const Path & path) override
{ unsupported(); }