aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--src/build-remote/build-remote.cc28
-rw-r--r--src/libstore/build.cc136
-rw-r--r--src/libutil/logging.cc130
-rw-r--r--src/libutil/logging.hh5
4 files changed, 175 insertions, 124 deletions
diff --git a/src/build-remote/build-remote.cc b/src/build-remote/build-remote.cc
index f023aedb1..dc784f947 100644
--- a/src/build-remote/build-remote.cc
+++ b/src/build-remote/build-remote.cc
@@ -42,6 +42,8 @@ int main (int argc, char * * argv)
return handleExceptions(argv[0], [&]() {
initNix();
+ logger = makeJSONLogger(*logger);
+
/* Ensure we don't get any SSH passphrase or host key popups. */
unsetenv("DISPLAY");
unsetenv("SSH_ASKPASS");
@@ -172,6 +174,8 @@ int main (int argc, char * * argv)
try {
+ Activity act(*logger, lvlTalkative, actUnknown, fmt("connecting to '%s'", bestMachine->storeUri));
+
Store::Params storeParams{{"max-connections", "1"}, {"log-fd", "4"}};
if (bestMachine->sshKey != "")
storeParams["ssh-key"] = bestMachine->sshKey;
@@ -197,21 +201,25 @@ connected:
auto inputs = readStrings<PathSet>(source);
auto outputs = readStrings<PathSet>(source);
- AutoCloseFD uploadLock = openLockFile(currentLoad + "/" + escapeUri(storeUri) + ".upload-lock", true);
+ {
+ Activity act(*logger, lvlTalkative, actUnknown, fmt("waiting for the upload lock to '%s'", storeUri));
- auto old = signal(SIGALRM, handleAlarm);
- alarm(15 * 60);
- if (!lockFile(uploadLock.get(), ltWrite, true))
- printError("somebody is hogging the upload lock for '%s', continuing...");
- alarm(0);
- signal(SIGALRM, old);
- copyPaths(store, ref<Store>(sshStore), inputs, NoRepair, NoCheckSigs);
- uploadLock = -1;
+ AutoCloseFD uploadLock = openLockFile(currentLoad + "/" + escapeUri(storeUri) + ".upload-lock", true);
+
+ auto old = signal(SIGALRM, handleAlarm);
+ alarm(15 * 60);
+ if (!lockFile(uploadLock.get(), ltWrite, true))
+ printError("somebody is hogging the upload lock for '%s', continuing...");
+ alarm(0);
+ signal(SIGALRM, old);
+ copyPaths(store, ref<Store>(sshStore), inputs, NoRepair, NoCheckSigs);
+ uploadLock = -1;
+ }
BasicDerivation drv(readDerivation(drvPath));
drv.inputSrcs = inputs;
- printError("building '%s' on '%s'", drvPath, storeUri);
+ printInfo("building '%s' on '%s'", drvPath, storeUri);
auto result = sshStore->buildDerivation(drvPath, drv);
if (!result.success())
diff --git a/src/libstore/build.cc b/src/libstore/build.cc
index fc800f430..6e3d0a3eb 100644
--- a/src/libstore/build.cc
+++ b/src/libstore/build.cc
@@ -55,8 +55,6 @@
#include <sys/statvfs.h>
#endif
-#include <nlohmann/json.hpp>
-
namespace nix {
@@ -612,6 +610,8 @@ struct HookInstance
FdSink sink;
+ std::map<ActivityId, Activity> activities;
+
HookInstance();
~HookInstance();
@@ -769,6 +769,8 @@ private:
std::string currentLogLine;
size_t currentLogLinePos = 0; // to handle carriage return
+ std::string currentHookLine;
+
/* Pipe for the builder's standard output/error. */
Pipe builderOut;
@@ -1653,12 +1655,16 @@ HookReply DerivationGoal::tryBuildHook()
string reply;
while (true) {
string s = readLine(worker.hook->fromHook.readSide.get());
- if (string(s, 0, 2) == "# ") {
+ if (handleJSONLogMessage(s, worker.act, worker.hook->activities))
+ ;
+ else if (string(s, 0, 2) == "# ") {
reply = string(s, 2);
break;
}
- s += "\n";
- writeToStderr(s);
+ else {
+ s += "\n";
+ writeToStderr(s);
+ }
}
debug(format("hook reply is '%1%'") % reply);
@@ -2414,64 +2420,6 @@ void setupSeccomp()
}
-struct BuilderLogger : Logger
-{
- Logger & prevLogger;
-
- BuilderLogger(Logger & prevLogger) : prevLogger(prevLogger) { }
-
- void addFields(nlohmann::json & json, const Fields & fields)
- {
- if (fields.empty()) return;
- auto & arr = json["fields"] = nlohmann::json::array();
- for (auto & f : fields)
- if (f.type == Logger::Field::tInt)
- arr.push_back(f.i);
- else if (f.type == Logger::Field::tString)
- arr.push_back(f.s);
- else
- abort();
- }
-
- void log(Verbosity lvl, const FormatOrString & fs) override
- {
- prevLogger.log(lvl, fs);
- }
-
- void startActivity(ActivityId act, Verbosity lvl, ActivityType type,
- const std::string & s, const Fields & fields, ActivityId parent) override
- {
- nlohmann::json json;
- json["action"] = "start";
- json["id"] = act;
- json["level"] = lvl;
- json["type"] = type;
- json["text"] = s;
- addFields(json, fields);
- // FIXME: handle parent
- log(lvlError, "@nix " + json.dump());
- }
-
- void stopActivity(ActivityId act) override
- {
- nlohmann::json json;
- json["action"] = "stop";
- json["id"] = act;
- log(lvlError, "@nix " + json.dump());
- }
-
- void result(ActivityId act, ResultType type, const Fields & fields) override
- {
- nlohmann::json json;
- json["action"] = "result";
- json["id"] = act;
- json["type"] = type;
- addFields(json, fields);
- log(lvlError, "@nix " + json.dump());
- }
-};
-
-
void DerivationGoal::runChild()
{
/* Warning: in the child we should absolutely not make any SQLite
@@ -2874,7 +2822,7 @@ void DerivationGoal::runChild()
/* Execute the program. This should not return. */
if (drv->isBuiltin()) {
try {
- logger = new BuilderLogger(*logger);
+ logger = makeJSONLogger(*logger);
if (drv->builder == "builtin:fetchurl")
builtinFetchurl(*drv, netrcData);
else
@@ -3315,8 +3263,14 @@ void DerivationGoal::handleChildOutput(int fd, const string & data)
if (logSink) (*logSink)(data);
}
- if (hook && fd == hook->fromHook.readSide.get())
- printError(chomp(data));
+ if (hook && fd == hook->fromHook.readSide.get()) {
+ for (auto c : data)
+ if (c == '\n') {
+ handleJSONLogMessage(currentHookLine, worker.act, hook->activities);
+ currentHookLine.clear();
+ } else
+ currentHookLine += c;
+ }
}
@@ -3327,56 +3281,10 @@ void DerivationGoal::handleEOF(int fd)
}
-static Logger::Fields getFields(nlohmann::json & json)
-{
- Logger::Fields fields;
- for (auto & f : json) {
- if (f.type() == nlohmann::json::value_t::number_unsigned)
- fields.emplace_back(Logger::Field(f.get<uint64_t>()));
- else if (f.type() == nlohmann::json::value_t::string)
- fields.emplace_back(Logger::Field(f.get<std::string>()));
- else throw Error("unsupported JSON type %d", (int) f.type());
- }
- return fields;
-}
-
-
void DerivationGoal::flushLine()
{
- if (hasPrefix(currentLogLine, "@nix ")) {
-
- try {
- auto json = nlohmann::json::parse(std::string(currentLogLine, 5));
-
- std::string action = json["action"];
-
- if (action == "start") {
- auto type = (ActivityType) json["type"];
- if (type == actDownload)
- builderActivities.emplace(std::piecewise_construct,
- std::forward_as_tuple(json["id"]),
- std::forward_as_tuple(*logger, (Verbosity) json["level"], type,
- json["text"], getFields(json["fields"]), act->id));
- }
-
- else if (action == "stop")
- builderActivities.erase((ActivityId) json["id"]);
-
- else if (action == "result") {
- auto i = builderActivities.find((ActivityId) json["id"]);
- if (i != builderActivities.end())
- i->second.result((ResultType) json["type"], getFields(json["fields"]));
- }
-
- else if (action == "setPhase") {
- std::string phase = json["phase"];
- act->result(resSetPhase, phase);
- }
-
- } catch (std::exception & e) {
- printError("bad log message from builder: %s", e.what());
- }
- }
+ if (handleJSONLogMessage(currentLogLine, *act, builderActivities))
+ ;
else {
if (settings.verboseBuild &&
diff --git a/src/libutil/logging.cc b/src/libutil/logging.cc
index e38a46053..1a2684a43 100644
--- a/src/libutil/logging.cc
+++ b/src/libutil/logging.cc
@@ -2,6 +2,7 @@
#include "util.hh"
#include <atomic>
+#include <nlohmann/json.hpp>
namespace nix {
@@ -90,4 +91,133 @@ Activity::Activity(Logger & logger, Verbosity lvl, ActivityType type,
logger.startActivity(id, lvl, type, s, fields, parent);
}
+struct JSONLogger : Logger
+{
+ Logger & prevLogger;
+
+ JSONLogger(Logger & prevLogger) : prevLogger(prevLogger) { }
+
+ void addFields(nlohmann::json & json, const Fields & fields)
+ {
+ if (fields.empty()) return;
+ auto & arr = json["fields"] = nlohmann::json::array();
+ for (auto & f : fields)
+ if (f.type == Logger::Field::tInt)
+ arr.push_back(f.i);
+ else if (f.type == Logger::Field::tString)
+ arr.push_back(f.s);
+ else
+ abort();
+ }
+
+ void write(const nlohmann::json & json)
+ {
+ prevLogger.log(lvlError, "@nix " + json.dump());
+ }
+
+ void log(Verbosity lvl, const FormatOrString & fs) override
+ {
+ nlohmann::json json;
+ json["action"] = "msg";
+ json["level"] = lvl;
+ json["msg"] = fs.s;
+ write(json);
+ }
+
+ void startActivity(ActivityId act, Verbosity lvl, ActivityType type,
+ const std::string & s, const Fields & fields, ActivityId parent) override
+ {
+ nlohmann::json json;
+ json["action"] = "start";
+ json["id"] = act;
+ json["level"] = lvl;
+ json["type"] = type;
+ json["text"] = s;
+ addFields(json, fields);
+ // FIXME: handle parent
+ write(json);
+ }
+
+ void stopActivity(ActivityId act) override
+ {
+ nlohmann::json json;
+ json["action"] = "stop";
+ json["id"] = act;
+ write(json);
+ }
+
+ void result(ActivityId act, ResultType type, const Fields & fields) override
+ {
+ nlohmann::json json;
+ json["action"] = "result";
+ json["id"] = act;
+ json["type"] = type;
+ addFields(json, fields);
+ write(json);
+ }
+};
+
+Logger * makeJSONLogger(Logger & prevLogger)
+{
+ return new JSONLogger(prevLogger);
+}
+
+static Logger::Fields getFields(nlohmann::json & json)
+{
+ Logger::Fields fields;
+ for (auto & f : json) {
+ if (f.type() == nlohmann::json::value_t::number_unsigned)
+ fields.emplace_back(Logger::Field(f.get<uint64_t>()));
+ else if (f.type() == nlohmann::json::value_t::string)
+ fields.emplace_back(Logger::Field(f.get<std::string>()));
+ else throw Error("unsupported JSON type %d", (int) f.type());
+ }
+ return fields;
+}
+
+bool handleJSONLogMessage(const std::string & msg,
+ const Activity & act, std::map<ActivityId, Activity> & activities)
+{
+ if (!hasPrefix(msg, "@nix ")) return false;
+
+ try {
+ auto json = nlohmann::json::parse(std::string(msg, 5));
+
+ std::string action = json["action"];
+
+ if (action == "start") {
+ auto type = (ActivityType) json["type"];
+ if (type == actDownload || type == actUnknown)
+ activities.emplace(std::piecewise_construct,
+ std::forward_as_tuple(json["id"]),
+ std::forward_as_tuple(*logger, (Verbosity) json["level"], type,
+ json["text"], getFields(json["fields"]), act.id));
+ }
+
+ else if (action == "stop")
+ activities.erase((ActivityId) json["id"]);
+
+ else if (action == "result") {
+ auto i = activities.find((ActivityId) json["id"]);
+ if (i != activities.end())
+ i->second.result((ResultType) json["type"], getFields(json["fields"]));
+ }
+
+ else if (action == "setPhase") {
+ std::string phase = json["phase"];
+ act.result(resSetPhase, phase);
+ }
+
+ else if (action == "msg") {
+ std::string msg = json["msg"];
+ logger->log((Verbosity) json["level"], msg);
+ }
+
+ } catch (std::exception & e) {
+ printError("bad log message from builder: %s", e.what());
+ }
+
+ return true;
+}
+
}
diff --git a/src/libutil/logging.hh b/src/libutil/logging.hh
index 21898c03a..70a9f5d86 100644
--- a/src/libutil/logging.hh
+++ b/src/libutil/logging.hh
@@ -130,6 +130,11 @@ extern Logger * logger;
Logger * makeDefaultLogger();
+Logger * makeJSONLogger(Logger & prevLogger);
+
+bool handleJSONLogMessage(const std::string & msg,
+ const Activity & act, std::map<ActivityId, Activity> & activities);
+
extern Verbosity verbosity; /* suppress msgs > this */
/* Print a message if the current log level is at least the specified