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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#pragma once
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#include <string>
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#include <map>
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#include "registry.h"
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namespace prometheus {
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template <typename CustomMetric>
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class Builder {
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Family::Labels labels_;
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std::string name_;
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std::string help_;
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public:
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Builder& Labels(const std::map<const std::string, const std::string>& labels) {
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labels_ = labels;
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return *this;
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}
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Builder& Name(const std::string& name) {
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name_ = name;
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return *this;
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}
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Builder& Help(const std::string& help) {
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help_ = help;
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return *this;
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}
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CustomFamily<CustomMetric>& Register(Registry& registry) {
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return registry.Add<CustomFamily<CustomMetric>>(name_, help_, labels_);
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}
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};
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}
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