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Add more Prometheus metrics (#12274)

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sfan5 2022-05-09 21:20:58 +02:00 • committed by GitHub
parent c2898f53bc
commit f5a8593b11
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10 changed files with 225 additions and 120 deletions
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84
src/util/metricsbackend.h
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@ -19,8 +19,9 @@ with this program; if not, write to the Free Software Foundation, Inc.,
#pragma once
#include <memory>
#include <string>
#include <utility>
#include "config.h"
#include "util/thread.h"
class MetricCounter
{
@ -35,38 +36,6 @@ public:
typedef std::shared_ptr<MetricCounter> MetricCounterPtr;
class SimpleMetricCounter : public MetricCounter
{
public:
SimpleMetricCounter() = delete;
virtual ~SimpleMetricCounter() {}
SimpleMetricCounter(const std::string &name, const std::string &help_str) :
MetricCounter(), m_name(name), m_help_str(help_str),
m_counter(0.0)
{
}
virtual void increment(double number)
{
MutexAutoLock lock(m_mutex);
m_counter += number;
}
virtual double get() const
{
MutexAutoLock lock(m_mutex);
return m_counter;
}
private:
std::string m_name;
std::string m_help_str;
mutable std::mutex m_mutex;
double m_counter;
};
class MetricGauge
{
public:
@ -81,47 +50,6 @@ public:
typedef std::shared_ptr<MetricGauge> MetricGaugePtr;
class SimpleMetricGauge : public MetricGauge
{
public:
SimpleMetricGauge() = delete;
SimpleMetricGauge(const std::string &name, const std::string &help_str) :
MetricGauge(), m_name(name), m_help_str(help_str), m_gauge(0.0)
{
}
virtual ~SimpleMetricGauge() {}
virtual void increment(double number)
{
MutexAutoLock lock(m_mutex);
m_gauge += number;
}
virtual void decrement(double number)
{
MutexAutoLock lock(m_mutex);
m_gauge -= number;
}
virtual void set(double number)
{
MutexAutoLock lock(m_mutex);
m_gauge = number;
}
virtual double get() const
{
MutexAutoLock lock(m_mutex);
return m_gauge;
}
private:
std::string m_name;
std::string m_help_str;
mutable std::mutex m_mutex;
double m_gauge;
};
class MetricsBackend
{
public:
@ -129,10 +57,14 @@ public:
virtual ~MetricsBackend() {}
typedef std::initializer_list<std::pair<const std::string, std::string>> Labels;
virtual MetricCounterPtr addCounter(
const std::string &name, const std::string &help_str);
const std::string &name, const std::string &help_str,
Labels labels = {});
virtual MetricGaugePtr addGauge(
const std::string &name, const std::string &help_str);
const std::string &name, const std::string &help_str,
Labels labels = {});
};
#if USE_PROMETHEUS