Add prometheus metrics for Central controllers (#1969)
* 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>
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62 changed files with 4023 additions and 25 deletions
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@ -19,6 +19,8 @@
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#define _DEBUG(x)
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#endif
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#include "../node/Metrics.hpp"
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#include <deque>
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#include <set>
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#include <memory>
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@ -61,6 +63,7 @@ public:
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{
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while(m_pool.size() < m_minPoolSize){
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m_pool.push_back(m_factory->create());
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Metrics::pool_avail++;
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}
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};
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@ -91,6 +94,7 @@ public:
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while((m_pool.size() + m_borrowed.size()) < m_minPoolSize) {
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std::shared_ptr<Connection> conn = m_factory->create();
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m_pool.push_back(conn);
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Metrics::pool_avail++;
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}
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if(m_pool.size()==0){
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@ -99,8 +103,10 @@ public:
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try {
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std::shared_ptr<Connection> conn = m_factory->create();
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m_borrowed.insert(conn);
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Metrics::pool_in_use++;
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return std::static_pointer_cast<T>(conn);
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} catch (std::exception &e) {
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Metrics::pool_errors++;
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throw ConnectionUnavailable();
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}
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} else {
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@ -116,11 +122,13 @@ public:
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return std::static_pointer_cast<T>(conn);
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} catch(std::exception& e) {
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// Error creating a replacement connection
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Metrics::pool_errors++;
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throw ConnectionUnavailable();
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}
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}
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}
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// Nothing available
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Metrics::pool_errors++;
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throw ConnectionUnavailable();
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}
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}
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@ -128,8 +136,10 @@ public:
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// Take one off the front
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std::shared_ptr<Connection> conn = m_pool.front();
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m_pool.pop_front();
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Metrics::pool_avail--;
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// Add it to the borrowed list
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m_borrowed.insert(conn);
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Metrics::pool_in_use++;
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return std::static_pointer_cast<T>(conn);
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};
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@ -143,7 +153,9 @@ public:
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// Lock
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std::unique_lock<std::mutex> lock(m_poolMutex);
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m_borrowed.erase(conn);
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Metrics::pool_in_use--;
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if ((m_pool.size() + m_borrowed.size()) < m_maxPoolSize) {
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Metrics::pool_avail++;
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m_pool.push_back(conn);
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}
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};
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@ -158,4 +170,4 @@ protected:
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}
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#endif
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#endif
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