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hydra-queue-runner: make entire address configurable

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This commit is contained in:
Cole Helbling 2022-04-06 10:58:57 -07:00
parent 33bc60b83c
commit edf3c348f2
4 changed files with 15 additions and 24 deletions
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31
src/hydra-queue-runner/hydra-queue-runner.cc
View file

@ -39,7 +39,7 @@ std::string getEnvOrDie(const std::string & key)
}
State::State(std::optional<uint16_t> metricsPortOpt)
State::State(std::optional<std::string> metricsAddrOpt)
: config(std::make_unique<HydraConfig>())
, maxUnsupportedTime(config->getIntOption("max_unsupported_time", 0))
, dbPool(config->getIntOption("max_db_connections", 128))
@ -47,15 +47,15 @@ State::State(std::optional<uint16_t> metricsPortOpt)
, maxLogSize(config->getIntOption("max_log_size", 64ULL << 20))
, uploadLogsToBinaryCache(config->getBoolOption("upload_logs_to_binary_cache", false))
, rootsDir(config->getStrOption("gc_roots_dir", fmt("%s/gcroots/per-user/%s/hydra-roots", settings.nixStateDir, getEnvOrDie("LOGNAME"))))
, metricsPort(config->getIntOption("queue_runner_metrics_port", 9198))
, metricsAddr(config->getStrOption("queue_runner_metrics_address", std::string{"127.0.0.1:9198"}))
, registry(std::make_shared<prometheus::Registry>())
{
hydraData = getEnvOrDie("HYDRA_DATA");
logDir = canonPath(hydraData + "/build-logs");
if (metricsPortOpt.has_value()) {
metricsPort = metricsPortOpt.value();
if (metricsAddrOpt.has_value()) {
metricsAddr = metricsAddrOpt.value();
}
/* handle deprecated store specification */
@ -762,16 +762,15 @@ void State::run(BuildID buildOne)
if (!lock)
throw Error("hydra-queue-runner is already running");
std::cout << "Starting the Prometheus exporter on port " << metricsPort << std::endl;
std::cout << "Starting the Prometheus exporter on " << metricsAddr << std::endl;
/* Set up simple exporter, to show that we're still alive. */
std::string metricsAddress{"127.0.0.1"}; // FIXME: configurable
prometheus::Exposer promExposer{metricsAddress + ":" + std::to_string(metricsPort)};
prometheus::Exposer promExposer{metricsAddr};
auto exposerPort = promExposer.GetListeningPorts().front();
promExposer.RegisterCollectable(registry);
std::cout << "Started the Prometheus exporter, listening on "
<< "http://" << metricsAddress << ":" << exposerPort << "/metrics"
<< metricsAddr << "/metrics (port " << exposerPort << ")"
<< std::endl;
Store::Params localParams;
@ -884,7 +883,7 @@ int main(int argc, char * * argv)
bool unlock = false;
bool status = false;
BuildID buildOne = 0;
std::optional<uint16_t> metricsPortOpt = std::nullopt;
std::optional<std::string> metricsAddrOpt = std::nullopt;
parseCmdLine(argc, argv, [&](Strings::iterator & arg, const Strings::iterator & end) {
if (*arg == "--unlock")
@ -896,16 +895,8 @@ int main(int argc, char * * argv)
buildOne = *b;
else
throw Error("‘--build-one’ requires a build ID");
} else if (*arg == "--port") {
if (auto p = string2Int<int>(getArg(*arg, arg, end))) {
if (*p > std::numeric_limits<uint16_t>::max()) {
throw Error("'--port' has a maximum of 65535");
} else {
metricsPortOpt = *p;
}
} else {
throw Error("'--port' requires a numeric port (0 for a random, usable port; max 65535)");
}
} else if (*arg == "--prometheus-address") {
metricsAddrOpt = getArg(*arg, arg, end);
} else
return false;
return true;
@ -914,7 +905,7 @@ int main(int argc, char * * argv)
settings.verboseBuild = true;
settings.lockCPU = false;
State state{metricsPortOpt};
State state{metricsAddrOpt};
if (status)
state.showStatus();
else if (unlock)

4
src/hydra-queue-runner/state.hh
View file

@ -434,12 +434,12 @@ private:
via gc_roots_dir. */
nix::Path rootsDir;
uint16_t metricsPort;
std::string metricsAddr;;
std::shared_ptr<prometheus::Registry> registry;
public:
State(std::optional<uint16_t> metricsPortOpt);
State(std::optional<std::string> metricsAddrOpt);
private:

2
t/Hydra/Config/include.t
View file

@ -20,7 +20,7 @@ write_file($ctx{'tmpdir'} . "/bar.conf", q|
|);
is(getHydraConfig(), {
queue_runner_metrics_port => 0,
queue_runner_metrics_address => "127.0.0.1:0",
foo => { bar => "baz" }
}, "Nested includes work.");

2
t/lib/HydraTestContext.pm
View file

@ -51,7 +51,7 @@ sub new {
$ENV{'HYDRA_CONFIG'} = "$dir/hydra.conf";
my $hydra_config = $opts{'hydra_config'} || "";
$hydra_config = "queue_runner_metrics_port = 0\n" . $hydra_config;
$hydra_config = "queue_runner_metrics_address = 127.0.0.1:0\n" . $hydra_config;
if ($opts{'use_external_destination_store'} // 1) {
$hydra_config = "store_uri = file:$dir/nix/dest-store\n" . $hydra_config;
}