mirror of https://github.com/Icinga/icinga2.git
175 lines
7.3 KiB
C++
175 lines
7.3 KiB
C++
/******************************************************************************
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* Icinga 2 *
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* Copyright (C) 2012-2015 Icinga Development Team (http://www.icinga.org) *
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* *
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* This program is free software; you can redistribute it and/or *
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* modify it under the terms of the GNU General Public License *
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* as published by the Free Software Foundation; either version 2 *
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* of the License, or (at your option) any later version. *
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* *
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* This program is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU General Public License for more details. *
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* *
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* You should have received a copy of the GNU General Public License *
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* along with this program; if not, write to the Free Software Foundation *
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. *
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******************************************************************************/
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#include "icinga/icingastatuswriter.hpp"
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#include "icinga/icingastatuswriter.tcpp"
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#include "icinga/cib.hpp"
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#include "base/configtype.hpp"
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#include "base/logger.hpp"
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#include "base/exception.hpp"
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#include "base/application.hpp"
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#include "base/statsfunction.hpp"
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#include "base/json.hpp"
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#include <boost/foreach.hpp>
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#include <boost/algorithm/string/replace.hpp>
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#include <fstream>
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using namespace icinga;
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REGISTER_TYPE(IcingaStatusWriter);
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REGISTER_STATSFUNCTION(IcingaStatusWriter, &IcingaStatusWriter::StatsFunc);
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void IcingaStatusWriter::StatsFunc(const Dictionary::Ptr& status, const Array::Ptr& perfdata)
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{
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Dictionary::Ptr nodes = new Dictionary();
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BOOST_FOREACH(const IcingaStatusWriter::Ptr& icingastatuswriter, ConfigType::GetObjectsByType<IcingaStatusWriter>()) {
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nodes->Set(icingastatuswriter->GetName(), 1); //add more stats
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}
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status->Set("icingastatuswriter", nodes);
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}
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/**
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* Hint: The reason why we're using "\n" rather than std::endl is because
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* std::endl also _flushes_ the output stream which severely degrades
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* performance (see http://gcc.gnu.org/onlinedocs/libstdc++/manual/bk01pt11ch25s02.html).
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*/
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/**
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* Starts the component.
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*/
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void IcingaStatusWriter::Start(void)
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{
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ObjectImpl<IcingaStatusWriter>::Start();
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/* TODO: remove in versions > 2.4 */
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Log(LogWarning, "IcingaStatusWriter", "This feature was deprecated in 2.4 and will be removed in future Icinga 2 releases.");
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m_StatusTimer = new Timer();
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m_StatusTimer->SetInterval(GetUpdateInterval());
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m_StatusTimer->OnTimerExpired.connect(boost::bind(&IcingaStatusWriter::StatusTimerHandler, this));
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m_StatusTimer->Start();
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m_StatusTimer->Reschedule(0);
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}
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Dictionary::Ptr IcingaStatusWriter::GetStatusData(void)
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{
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Dictionary::Ptr bag = new Dictionary();
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/* features */
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std::pair<Dictionary::Ptr, Array::Ptr> stats = CIB::GetFeatureStats();
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bag->Set("feature_status", stats.first);
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bag->Set("feature_perfdata", stats.second);
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/* icinga stats */
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Dictionary::Ptr icinga_stats = new Dictionary();
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double interval = Utility::GetTime() - Application::GetStartTime();
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if (interval > 60)
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interval = 60;
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icinga_stats->Set("active_host_checks", CIB::GetActiveHostChecksStatistics(interval) / interval);
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icinga_stats->Set("passive_host_checks", CIB::GetPassiveHostChecksStatistics(interval) / interval);
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icinga_stats->Set("active_host_checks_1min", CIB::GetActiveHostChecksStatistics(60));
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icinga_stats->Set("passive_host_checks_1min", CIB::GetPassiveHostChecksStatistics(60));
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icinga_stats->Set("active_host_checks_5min", CIB::GetActiveHostChecksStatistics(60 * 5));
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icinga_stats->Set("passive_host_checks_5min", CIB::GetPassiveHostChecksStatistics(60 * 5));
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icinga_stats->Set("active_host_checks_15min", CIB::GetActiveHostChecksStatistics(60 * 15));
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icinga_stats->Set("passive_host_checks_15min", CIB::GetPassiveHostChecksStatistics(60 * 15));
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icinga_stats->Set("active_service_checks", CIB::GetActiveServiceChecksStatistics(interval) / interval);
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icinga_stats->Set("passive_service_checks", CIB::GetPassiveServiceChecksStatistics(interval) / interval);
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icinga_stats->Set("active_service_checks_1min", CIB::GetActiveServiceChecksStatistics(60));
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icinga_stats->Set("passive_service_checks_1min", CIB::GetPassiveServiceChecksStatistics(60));
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icinga_stats->Set("active_service_checks_5min", CIB::GetActiveServiceChecksStatistics(60 * 5));
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icinga_stats->Set("passive_service_checks_5min", CIB::GetPassiveServiceChecksStatistics(60 * 5));
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icinga_stats->Set("active_service_checks_15min", CIB::GetActiveServiceChecksStatistics(60 * 15));
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icinga_stats->Set("passive_service_checks_15min", CIB::GetPassiveServiceChecksStatistics(60 * 15));
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CheckableCheckStatistics scs = CIB::CalculateServiceCheckStats();
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icinga_stats->Set("min_latency", scs.min_latency);
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icinga_stats->Set("max_latency", scs.max_latency);
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icinga_stats->Set("avg_latency", scs.avg_latency);
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icinga_stats->Set("min_execution_time", scs.min_latency);
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icinga_stats->Set("max_execution_time", scs.max_latency);
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icinga_stats->Set("avg_execution_time", scs.avg_execution_time);
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ServiceStatistics ss = CIB::CalculateServiceStats();
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icinga_stats->Set("num_services_ok", ss.services_ok);
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icinga_stats->Set("num_services_warning", ss.services_warning);
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icinga_stats->Set("num_services_critical", ss.services_critical);
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icinga_stats->Set("num_services_unknown", ss.services_unknown);
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icinga_stats->Set("num_services_pending", ss.services_pending);
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icinga_stats->Set("num_services_unreachable", ss.services_unreachable);
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icinga_stats->Set("num_services_flapping", ss.services_flapping);
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icinga_stats->Set("num_services_in_downtime", ss.services_in_downtime);
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icinga_stats->Set("num_services_acknowledged", ss.services_acknowledged);
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HostStatistics hs = CIB::CalculateHostStats();
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icinga_stats->Set("num_hosts_up", hs.hosts_up);
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icinga_stats->Set("num_hosts_down", hs.hosts_down);
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icinga_stats->Set("num_hosts_unreachable", hs.hosts_unreachable);
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icinga_stats->Set("num_hosts_flapping", hs.hosts_flapping);
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icinga_stats->Set("num_hosts_in_downtime", hs.hosts_in_downtime);
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icinga_stats->Set("num_hosts_acknowledged", hs.hosts_acknowledged);
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bag->Set("icinga_status", icinga_stats);
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return bag;
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}
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void IcingaStatusWriter::StatusTimerHandler(void)
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{
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Log(LogNotice, "IcingaStatusWriter", "Writing status.json file");
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String statuspath = GetStatusPath();
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String statuspathtmp = statuspath + ".tmp"; /* XXX make this a global definition */
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std::ofstream statusfp;
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statusfp.open(statuspathtmp.CStr(), std::ofstream::out | std::ofstream::trunc);
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statusfp << std::fixed;
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statusfp << JsonEncode(GetStatusData());
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statusfp.close();
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#ifdef _WIN32
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_unlink(statuspath.CStr());
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#endif /* _WIN32 */
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if (rename(statuspathtmp.CStr(), statuspath.CStr()) < 0) {
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BOOST_THROW_EXCEPTION(posix_error()
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<< boost::errinfo_api_function("rename")
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<< boost::errinfo_errno(errno)
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<< boost::errinfo_file_name(statuspathtmp));
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}
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Log(LogNotice, "IcingaStatusWriter", "Finished writing status.json file");
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}
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