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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 499ed6d95e.

* 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
62 changed files with 4023 additions and 25 deletions
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node/Metrics.cpp Normal file
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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.
*/
#include <prometheus/simpleapi.h>
namespace prometheus {
namespace simpleapi {
std::shared_ptr<Registry> registry_ptr = std::make_shared<Registry>();
Registry& registry = *registry_ptr;
SaveToFile saver;
}
}
namespace ZeroTier {
namespace Metrics {
// Data Sent/Received Metrics
prometheus::simpleapi::counter_metric_t udp_send
{ "zt_udp_data_sent", "number of bytes ZeroTier has sent via UDP" };
prometheus::simpleapi::counter_metric_t udp_recv
{ "zt_udp_data_recv", "number of bytes ZeroTier has received via UDP" };
prometheus::simpleapi::counter_metric_t tcp_send
{ "zt_tcp_data_sent", "number of bytes ZeroTier has sent via TCP" };
prometheus::simpleapi::counter_metric_t tcp_recv
{ "zt_tcp_data_recv", "number of bytes ZeroTier has received via TCP" };
// General Controller Metrics
prometheus::simpleapi::gauge_metric_t network_count
{"controller_network_count", "number of networks the controller is serving"};
prometheus::simpleapi::gauge_metric_t member_count
{"controller_member_count", "number of network members the controller is serving"};
prometheus::simpleapi::counter_metric_t network_changes
{"controller_network_change_count", "number of times a network configuration is changed"};
prometheus::simpleapi::counter_metric_t member_changes
{"controller_member_change_count", "number of times a network member configuration is changed"};
prometheus::simpleapi::counter_metric_t member_auths
{"controller_member_auth_count", "number of network member auths"};
prometheus::simpleapi::counter_metric_t member_deauths
{"controller_member_deauth_count", "number of network member deauths"};
#ifdef ZT_CONTROLLER_USE_LIBPQ
// Central Controller Metrics
prometheus::simpleapi::counter_metric_t pgsql_mem_notification
{ "controller_pgsql_member_notifications_received", "number of member change notifications received via pgsql NOTIFY" };
prometheus::simpleapi::counter_metric_t pgsql_net_notification
{ "controller_pgsql_network_notifications_received", "number of network change notifications received via pgsql NOTIFY" };
prometheus::simpleapi::counter_metric_t redis_mem_notification
{ "controller_redis_member_notifications_received", "number of member change notifications received via redis" };
prometheus::simpleapi::counter_metric_t redis_net_notification
{ "controller_redis_network_notifications_received", "number of network change notifications received via redis" };
// Central DB Pool Metrics
prometheus::simpleapi::counter_metric_t conn_counter
{ "controller_pgsql_connections_created", "number of pgsql connections created"};
prometheus::simpleapi::counter_metric_t max_pool_size
{ "controller_pgsql_max_conn_pool_size", "max connection pool size for postgres"};
prometheus::simpleapi::counter_metric_t min_pool_size
{ "controller_pgsql_min_conn_pool_size", "minimum connection pool size for postgres" };
prometheus::simpleapi::gauge_metric_t pool_avail
{ "controller_pgsql_available_conns", "number of available postgres connections" };
prometheus::simpleapi::gauge_metric_t pool_in_use
{ "controller_pgsql_in_use_conns", "number of postgres database connections in use" };
prometheus::simpleapi::counter_metric_t pool_errors
{ "controller_pgsql_connection_errors", "number of connection errors the connection pool has seen" };
#endif
}
}