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Add prometheus metrics for Central controllers (#1969)

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* add header-only prometheus lib to ext

* rename folder

* Undo rename directory

* prometheus simpleapi included on mac & linux

* wip

* wire up some controller stats

* Get windows building with prometheus

* bsd build flags for prometheus

* Fix multiple network join from environment entrypoint.sh.release (#1961)

* _bond_m guards _bond, not _paths_m (#1965)

* Fix: warning: mutex '_aqm_m' is not held on every path through here [-Wthread-safety-analysis] (#1964)

* Serve prom metrics from /metrics endpoint

* Add prom metrics for Central controller specific things

* reorganize metric initialization

* testing out a labled gauge on Networks

* increment error counter on throw

* Consolidate metrics definitions

Put all metric definitions into node/Metrics.hpp.  Accessed as needed
from there.

* Revert "testing out a labled gauge on Networks"

This reverts commit 499ed6d95e11452019cdf48e32ed4cd878c2705b.

* still blows up but adding to the record for completeness right now

* Fix runtime issues with metrics

* Add metrics files to visual studio project

* Missed an "extern"

* add copyright headers to new files

* Add metrics for sent/received bytes (total)

* put /metrics endpoint behind auth

* sendto returns int on Win32

---------

Co-authored-by: Leonardo Amaral <leleobhz@users.noreply.github.com>
Co-authored-by: Brenton Bostick <bostick@gmail.com>
This commit is contained in:
Grant Limberg 2023-04-21 12:12:43 -07:00 • committed by GitHub
parent 0b03ad9a21
commit 8e6e4ede6d
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/*
* Copyright (c)2013-2023 ZeroTier, Inc.
*
* Use of this software is governed by the Business Source License included
* in the LICENSE.TXT file in the project's root directory.
*
* Change Date: 2025-01-01
*
* On the date above, in accordance with the Business Source License, use
* of this software will be governed by version 2.0 of the Apache License.
*/
#ifndef METRICS_H_
#define METRICS_H_
#include <prometheus/simpleapi.h>
namespace prometheus {
namespace simpleapi {
extern std::shared_ptr<Registry> registry_ptr;
}
}
namespace ZeroTier {
namespace Metrics {
// Data Sent/Received Metrics
extern prometheus::simpleapi::counter_metric_t udp_send;
extern prometheus::simpleapi::counter_metric_t udp_recv;
extern prometheus::simpleapi::counter_metric_t tcp_send;
extern prometheus::simpleapi::counter_metric_t tcp_recv;
// General Controller Metrics
extern prometheus::simpleapi::gauge_metric_t network_count;
extern prometheus::simpleapi::gauge_metric_t member_count;
extern prometheus::simpleapi::counter_metric_t network_changes;
extern prometheus::simpleapi::counter_metric_t member_changes;
extern prometheus::simpleapi::counter_metric_t member_auths;
extern prometheus::simpleapi::counter_metric_t member_deauths;
#ifdef ZT_CONTROLLER_USE_LIBPQ
// Central Controller Metrics
extern prometheus::simpleapi::counter_metric_t pgsql_mem_notification;
extern prometheus::simpleapi::counter_metric_t pgsql_net_notification;
extern prometheus::simpleapi::counter_metric_t redis_mem_notification;
extern prometheus::simpleapi::counter_metric_t redis_net_notification;
// Central DB Pool Metrics
extern prometheus::simpleapi::counter_metric_t conn_counter;
extern prometheus::simpleapi::counter_metric_t max_pool_size;
extern prometheus::simpleapi::counter_metric_t min_pool_size;
extern prometheus::simpleapi::gauge_metric_t pool_avail;
extern prometheus::simpleapi::gauge_metric_t pool_in_use;
extern prometheus::simpleapi::counter_metric_t pool_errors;
#endif
} // namespace Metrics
}// namespace ZeroTier
#endif // METRICS_H_