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100 lines
3.2 KiB
C++
100 lines
3.2 KiB
C++
/* Icinga 2 | (c) 2021 Icinga GmbH | GPLv2+ */
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#ifndef INFLUXDBCOMMONWRITER_H
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#define INFLUXDBCOMMONWRITER_H
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#include "perfdata/influxdbcommonwriter-ti.hpp"
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#include "icinga/service.hpp"
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#include "base/configobject.hpp"
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#include "base/perfdatavalue.hpp"
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#include "base/tcpsocket.hpp"
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#include "base/timer.hpp"
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#include "base/tlsstream.hpp"
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#include "base/workqueue.hpp"
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#include "remote/url.hpp"
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#include <boost/beast/http/message.hpp>
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#include <boost/beast/http/string_body.hpp>
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#include <fstream>
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namespace icinga
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{
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/**
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* Common base class for InfluxDB v1/v2 writers.
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*
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* @ingroup perfdata
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*/
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class InfluxdbCommonWriter : public ObjectImpl<InfluxdbCommonWriter>
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{
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public:
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DECLARE_OBJECT(InfluxdbCommonWriter);
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template<class InfluxWriter>
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static void StatsFunc(const Dictionary::Ptr& status, const Array::Ptr& perfdata);
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void ValidateHostTemplate(const Lazy<Dictionary::Ptr>& lvalue, const ValidationUtils& utils) override;
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void ValidateServiceTemplate(const Lazy<Dictionary::Ptr>& lvalue, const ValidationUtils& utils) override;
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protected:
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WorkQueue m_WorkQueue{10000000, 1};
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std::vector<String> m_DataBuffer;
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void OnConfigLoaded() override;
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void Resume() override;
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void Pause() override;
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boost::beast::http::request<boost::beast::http::string_body> AssembleBaseRequest(String body);
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Url::Ptr AssembleBaseUrl();
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virtual boost::beast::http::request<boost::beast::http::string_body> AssembleRequest(String body) = 0;
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virtual Url::Ptr AssembleUrl() = 0;
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private:
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Timer::Ptr m_FlushTimer;
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void CheckResultHandler(const Checkable::Ptr& checkable, const CheckResult::Ptr& cr);
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void CheckResultHandlerWQ(const Checkable::Ptr& checkable, const CheckResult::Ptr& cr);
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void SendMetric(const Checkable::Ptr& checkable, const Dictionary::Ptr& tmpl,
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const String& label, const Dictionary::Ptr& fields, double ts);
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void FlushTimeout();
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void FlushTimeoutWQ();
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void Flush();
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static String EscapeKeyOrTagValue(const String& str);
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static String EscapeValue(const Value& value);
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OptionalTlsStream Connect();
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void AssertOnWorkQueue();
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void ExceptionHandler(boost::exception_ptr exp);
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};
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template<class InfluxWriter>
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void InfluxdbCommonWriter::StatsFunc(const Dictionary::Ptr& status, const Array::Ptr& perfdata)
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{
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DictionaryData nodes;
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auto typeName (InfluxWriter::TypeInstance->GetName().ToLower());
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for (const typename InfluxWriter::Ptr& influxwriter : ConfigType::GetObjectsByType<InfluxWriter>()) {
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size_t workQueueItems = influxwriter->m_WorkQueue.GetLength();
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double workQueueItemRate = influxwriter->m_WorkQueue.GetTaskCount(60) / 60.0;
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size_t dataBufferItems = influxwriter->m_DataBuffer.size();
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nodes.emplace_back(influxwriter->GetName(), new Dictionary({
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{ "work_queue_items", workQueueItems },
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{ "work_queue_item_rate", workQueueItemRate },
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{ "data_buffer_items", dataBufferItems }
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}));
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perfdata->Add(new PerfdataValue(typeName + "_" + influxwriter->GetName() + "_work_queue_items", workQueueItems));
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perfdata->Add(new PerfdataValue(typeName + "_" + influxwriter->GetName() + "_work_queue_item_rate", workQueueItemRate));
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perfdata->Add(new PerfdataValue(typeName + "_" + influxwriter->GetName() + "_data_queue_items", dataBufferItems));
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}
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status->Set(typeName, new Dictionary(std::move(nodes)));
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}
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}
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#endif /* INFLUXDBCOMMONWRITER_H */
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