diff options
Diffstat (limited to 'nix')
| -rw-r--r-- | nix/libstore/build.cc | 25 | ||||
| -rw-r--r-- | nix/libstore/globals.cc | 2 | ||||
| -rw-r--r-- | nix/libstore/globals.hh | 9 | ||||
| -rw-r--r-- | nix/libstore/worker-protocol.hh | 2 | ||||
| -rw-r--r-- | nix/nix-daemon/nix-daemon.cc | 2 |
5 files changed, 31 insertions, 9 deletions
diff --git a/nix/libstore/build.cc b/nix/libstore/build.cc index b2c319f00b..d7b8b0f0ca 100644 --- a/nix/libstore/build.cc +++ b/nix/libstore/build.cc @@ -1652,8 +1652,8 @@ HookReply DerivationGoal::tryBuildHook() worker.childStarted(shared_from_this(), hook->pid, fds, false, false); if (settings.printBuildTrace) - printMsg(lvlError, format("@ build-started %1% - %2% %3%") - % drvPath % drv.platform % logFile); + printMsg(lvlError, format("@ build-started %1% - %2% %3% %4%") + % drvPath % drv.platform % logFile % hook->pid); return rpAccept; } @@ -2038,8 +2038,8 @@ void DerivationGoal::startBuilder() if (!msg.empty()) throw Error(msg); if (settings.printBuildTrace) { - printMsg(lvlError, format("@ build-started %1% - %2% %3%") - % drvPath % drv.platform % logFile); + printMsg(lvlError, format("@ build-started %1% - %2% %3% %4%") + % drvPath % drv.platform % logFile % pid); } } @@ -2736,6 +2736,19 @@ void DerivationGoal::deleteTmpDir(bool force) void DerivationGoal::handleChildOutput(int fd, const string & data) { + string prefix; + + if (settings.multiplexedBuildOutput) { + /* Print a prefix that allows clients to determine whether a message + comes from the daemon or from a build process, and in the latter + case, which build process it comes from. The PID here matches the + one given in "@ build-started" traces; it's shorter that the + derivation file name, hence this choice. */ + prefix = "@ build-log " + + std::to_string(pid < 0 ? hook->pid : pid) + + " " + std::to_string(data.size()) + "\n"; + } + if ((hook && fd == hook->builderOut.readSide) || (!hook && fd == builderOut.readSide)) { @@ -2748,7 +2761,7 @@ void DerivationGoal::handleChildOutput(int fd, const string & data) return; } if (verbosity >= settings.buildVerbosity) - writeToStderr(data); + writeToStderr(prefix + data); if (gzLogFile) { if (data.size() > 0) { @@ -2767,7 +2780,7 @@ void DerivationGoal::handleChildOutput(int fd, const string & data) } if (hook && fd == hook->fromHook.readSide) - writeToStderr(data); + writeToStderr(prefix + data); } diff --git a/nix/libstore/globals.cc b/nix/libstore/globals.cc index 94c2e516f8..4b5b485e65 100644 --- a/nix/libstore/globals.cc +++ b/nix/libstore/globals.cc @@ -36,6 +36,7 @@ Settings::Settings() buildTimeout = 0; useBuildHook = true; printBuildTrace = false; + multiplexedBuildOutput = false; reservedSize = 8 * 1024 * 1024; fsyncMetadata = true; useSQLiteWAL = true; @@ -120,6 +121,7 @@ void Settings::update() _get(maxBuildJobs, "build-max-jobs"); _get(buildCores, "build-cores"); _get(thisSystem, "system"); + _get(multiplexedBuildOutput, "multiplexed-build-output"); _get(maxSilentTime, "build-max-silent-time"); _get(buildTimeout, "build-timeout"); _get(reservedSize, "gc-reserved-space"); diff --git a/nix/libstore/globals.hh b/nix/libstore/globals.hh index 4c142e6933..a6935c3337 100644 --- a/nix/libstore/globals.hh +++ b/nix/libstore/globals.hh @@ -127,7 +127,7 @@ struct Settings { a fixed format to allow its progress to be monitored. Each line starts with a "@". The following are defined: - @ build-started <drvpath> <outpath> <system> <logfile> + @ build-started <drvpath> <outpath> <system> <logfile> <pid> @ build-failed <drvpath> <outpath> <exitcode> <error text> @ build-succeeded <drvpath> <outpath> @ substituter-started <outpath> <substituter> @@ -139,6 +139,13 @@ struct Settings { builders. */ bool printBuildTrace; + /* When true, 'buildDerivations' prefixes lines coming from builders so + that clients know exactly which line comes from which builder, and + which line comes from the daemon itself. The prefix for data coming + from builders is "log:PID:LEN:DATA" where PID uniquely identifies the + builder (PID is given in "build-started" traces.) */ + bool multiplexedBuildOutput; + /* Amount of reserved space for the garbage collector (/nix/var/nix/db/reserved). */ off_t reservedSize; diff --git a/nix/libstore/worker-protocol.hh b/nix/libstore/worker-protocol.hh index 103d60a8c2..ea67b10a5b 100644 --- a/nix/libstore/worker-protocol.hh +++ b/nix/libstore/worker-protocol.hh @@ -6,7 +6,7 @@ namespace nix { #define WORKER_MAGIC_1 0x6e697863 #define WORKER_MAGIC_2 0x6478696f -#define PROTOCOL_VERSION 0x162 +#define PROTOCOL_VERSION 0x163 #define GET_PROTOCOL_MAJOR(x) ((x) & 0xff00) #define GET_PROTOCOL_MINOR(x) ((x) & 0x00ff) diff --git a/nix/nix-daemon/nix-daemon.cc b/nix/nix-daemon/nix-daemon.cc index 782e4acfc5..2939422172 100644 --- a/nix/nix-daemon/nix-daemon.cc +++ b/nix/nix-daemon/nix-daemon.cc @@ -594,7 +594,7 @@ static void performOp(bool trusted, unsigned int clientVersion, if (name == "build-timeout" || name == "build-max-silent-time" || name == "build-max-jobs" || name == "build-cores" || name == "build-repeat" - || name == "use-ssh-substituter") + || name == "multiplexed-build-output") settings.set(name, value); else settings.set(trusted ? name : "untrusted-" + name, value); |