Add status dump facility

Doing

  $ psql hydra -c 'notify dump_status'

will cause hydra-queue-runner to dump some internal status info on
stderr.
This commit is contained in:
Eelco Dolstra 2015-06-15 18:20:14 +02:00
parent dd104f14ea
commit 42e7301c08

View file

@ -202,6 +202,10 @@ private:
worth it. */
// std::vector<std::thread> builderThreads;
/* Various stats. */
std::atomic<int> nrQueueWakeups;
public:
State();
@ -256,12 +260,16 @@ public:
bool checkCachedFailure(Step::ptr step, Connection & conn);
void dumpStatus();
void run();
};
State::State()
{
nrQueueWakeups = 0;
hydraData = getEnv("HYDRA_DATA");
if (hydraData == "") throw Error("$HYDRA_DATA must be set");
@ -419,6 +427,7 @@ void State::queueMonitorLoop()
receiver buildsAdded(*conn, "builds_added");
receiver buildsRestarted(*conn, "builds_restarted");
receiver buildsCancelled(*conn, "builds_cancelled");
receiver dumpStatus(*conn, "dump_status");
auto store = openStore(); // FIXME: pool
@ -430,6 +439,7 @@ void State::queueMonitorLoop()
/* Sleep until we get notification from the database about an
event. */
conn->await_notification();
nrQueueWakeups++;
if (buildsAdded.get())
printMsg(lvlTalkative, "got notification: new builds added to the queue");
@ -441,6 +451,9 @@ void State::queueMonitorLoop()
printMsg(lvlTalkative, "got notification: builds cancelled");
removeCancelledBuilds(*conn);
}
if (dumpStatus.get())
State::dumpStatus();
}
}
@ -1095,6 +1108,36 @@ bool State::checkCachedFailure(Step::ptr step, Connection & conn)
}
void State::dumpStatus()
{
{
auto builds_(builds.lock());
printMsg(lvlError, format("%1% queued builds") % builds_->size());
}
{
auto steps_(steps.lock());
for (auto i = steps_->begin(); i != steps_->end(); )
if (i->second.lock()) ++i; else i = steps_->erase(i);
printMsg(lvlError, format("%1% pending/active build steps") % steps_->size());
}
{
auto runnable_(runnable.lock());
for (auto i = runnable_->begin(); i != runnable_->end(); )
if (i->lock()) ++i; else i = runnable_->erase(i);
printMsg(lvlError, format("%1% runnable build steps") % runnable_->size());
}
printMsg(lvlError, format("%1% times woken up to check the queue") % nrQueueWakeups);
{
auto machines_(machines.lock());
for (auto & m : *machines_) {
auto currentJobs_(m->currentJobs.lock());
printMsg(lvlError, format("machine %1%: %2%/%3% active")
% m->sshName % *currentJobs_ % m->maxJobs);
}
}
}
void State::run()
{
clearBusy(0);
@ -1117,6 +1160,10 @@ int main(int argc, char * * argv)
return handleExceptions(argv[0], [&]() {
initNix();
parseCmdLine(argc, argv, [&](Strings::iterator & arg, const Strings::iterator & end) {
return false;
});
signal(SIGINT, SIG_DFL);
signal(SIGTERM, SIG_DFL);
signal(SIGHUP, SIG_DFL);