Method update

src/master/allocator/mesos/metrics.cpp:48–81

template<class Quantities>
void QuotaMetrics::update(const string& role, const Quantities& quantities)
{
  hashmap<string, PushGauge>& gauges = metrics[role];

  hashset<string> namesToRemove = gauges.keys();

  for (const auto& quantity : quantities) {
    const string& name = quantity.first;
    const double value = quantity.second.value();

    namesToRemove.erase(name);

    if (gauges.contains(name)) {
      gauges.at(name) = value;
      continue;
    }

    PushGauge newGauge(
        "allocator/mesos/quota/roles/" + role + "/resources/" + name + suffix);

    newGauge = value;
    process::metrics::add(newGauge);
    gauges.put(name, newGauge);
  }

  for (const string& name : namesToRemove) {
    process::metrics::remove(gauges.at(name));
    gauges.erase(name);
  }

  if (gauges.empty()) {
    metrics.erase(role);
  }
}


QuotaMetrics::~QuotaMetrics() {