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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
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
62 changed files with 4023 additions and 25 deletions
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14
controller/ConnectionPool.hpp
View file

@ -19,6 +19,8 @@
#define _DEBUG(x)
#endif
#include "../node/Metrics.hpp"
#include <deque>
#include <set>
#include <memory>
@ -61,6 +63,7 @@ public:
{
while(m_pool.size() < m_minPoolSize){
m_pool.push_back(m_factory->create());
Metrics::pool_avail++;
}
};
@ -91,6 +94,7 @@ public:
while((m_pool.size() + m_borrowed.size()) < m_minPoolSize) {
std::shared_ptr<Connection> conn = m_factory->create();
m_pool.push_back(conn);
Metrics::pool_avail++;
}
if(m_pool.size()==0){
@ -99,8 +103,10 @@ public:
try {
std::shared_ptr<Connection> conn = m_factory->create();
m_borrowed.insert(conn);
Metrics::pool_in_use++;
return std::static_pointer_cast<T>(conn);
} catch (std::exception &e) {
Metrics::pool_errors++;
throw ConnectionUnavailable();
}
} else {
@ -116,11 +122,13 @@ public:
return std::static_pointer_cast<T>(conn);
} catch(std::exception& e) {
// Error creating a replacement connection
Metrics::pool_errors++;
throw ConnectionUnavailable();
}
}
}
// Nothing available
Metrics::pool_errors++;
throw ConnectionUnavailable();
}
}
@ -128,8 +136,10 @@ public:
// Take one off the front
std::shared_ptr<Connection> conn = m_pool.front();
m_pool.pop_front();
Metrics::pool_avail--;
// Add it to the borrowed list
m_borrowed.insert(conn);
Metrics::pool_in_use++;
return std::static_pointer_cast<T>(conn);
};
@ -143,7 +153,9 @@ public:
// Lock
std::unique_lock<std::mutex> lock(m_poolMutex);
m_borrowed.erase(conn);
Metrics::pool_in_use--;
if ((m_pool.size() + m_borrowed.size()) < m_maxPoolSize) {
Metrics::pool_avail++;
m_pool.push_back(conn);
}
};
@ -158,4 +170,4 @@ protected:
}
#endif
#endif