/****************************************************************************** * Icinga 2 * * Copyright (C) 2012-2016 Icinga Development Team (https://www.icinga.org/) * * * * This program is free software; you can redistribute it and/or * * modify it under the terms of the GNU General Public License * * as published by the Free Software Foundation; either version 2 * * of the License, or (at your option) any later version. * * * * This program is distributed in the hope that it will be useful, * * but WITHOUT ANY WARRANTY; without even the implied warranty of * * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * * GNU General Public License for more details. * * * * You should have received a copy of the GNU General Public License * * along with this program; if not, write to the Free Software Foundation * * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. * ******************************************************************************/ #include "perfdata/perfdatawriter.hpp" #include "perfdata/perfdatawriter.tcpp" #include "icinga/service.hpp" #include "icinga/macroprocessor.hpp" #include "icinga/icingaapplication.hpp" #include "base/configtype.hpp" #include "base/objectlock.hpp" #include "base/logger.hpp" #include "base/convert.hpp" #include "base/utility.hpp" #include "base/context.hpp" #include "base/exception.hpp" #include "base/application.hpp" #include "base/statsfunction.hpp" using namespace icinga; REGISTER_TYPE(PerfdataWriter); REGISTER_STATSFUNCTION(PerfdataWriter, &PerfdataWriter::StatsFunc); void PerfdataWriter::StatsFunc(const Dictionary::Ptr& status, const Array::Ptr&) { Dictionary::Ptr nodes = new Dictionary(); BOOST_FOREACH(const PerfdataWriter::Ptr& perfdatawriter, ConfigType::GetObjectsByType()) { nodes->Set(perfdatawriter->GetName(), 1); //add more stats } status->Set("perfdatawriter", nodes); } void PerfdataWriter::Start(bool runtimeCreated) { ObjectImpl::Start(runtimeCreated); Checkable::OnNewCheckResult.connect(boost::bind(&PerfdataWriter::CheckResultHandler, this, _1, _2)); m_RotationTimer = new Timer(); m_RotationTimer->OnTimerExpired.connect(boost::bind(&PerfdataWriter::RotationTimerHandler, this)); m_RotationTimer->SetInterval(GetRotationInterval()); m_RotationTimer->Start(); RotateFile(m_ServiceOutputFile, GetServiceTempPath(), GetServicePerfdataPath()); RotateFile(m_HostOutputFile, GetHostTempPath(), GetHostPerfdataPath()); } Value PerfdataWriter::EscapeMacroMetric(const Value& value) { if (value.IsObjectType()) return Utility::Join(value, ';'); else return value; } void PerfdataWriter::CheckResultHandler(const Checkable::Ptr& checkable, const CheckResult::Ptr& cr) { CONTEXT("Writing performance data for object '" + checkable->GetName() + "'"); if (!IcingaApplication::GetInstance()->GetEnablePerfdata() || !checkable->GetEnablePerfdata()) return; Service::Ptr service = dynamic_pointer_cast(checkable); Host::Ptr host; if (service) host = service->GetHost(); else host = static_pointer_cast(checkable); MacroProcessor::ResolverList resolvers; if (service) resolvers.push_back(std::make_pair("service", service)); resolvers.push_back(std::make_pair("host", host)); resolvers.push_back(std::make_pair("icinga", IcingaApplication::GetInstance())); if (service) { String line = MacroProcessor::ResolveMacros(GetServiceFormatTemplate(), resolvers, cr, NULL, &PerfdataWriter::EscapeMacroMetric); { ObjectLock olock(this); if (!m_ServiceOutputFile.good()) return; m_ServiceOutputFile << line << "\n"; } } else { String line = MacroProcessor::ResolveMacros(GetHostFormatTemplate(), resolvers, cr, NULL, &PerfdataWriter::EscapeMacroMetric); { ObjectLock olock(this); if (!m_HostOutputFile.good()) return; m_HostOutputFile << line << "\n"; } } } void PerfdataWriter::RotateFile(std::ofstream& output, const String& temp_path, const String& perfdata_path) { ObjectLock olock(this); if (output.good()) { output.close(); if (Utility::PathExists(temp_path)) { String finalFile = perfdata_path + "." + Convert::ToString((long)Utility::GetTime()); if (rename(temp_path.CStr(), finalFile.CStr()) < 0) { BOOST_THROW_EXCEPTION(posix_error() << boost::errinfo_api_function("rename") << boost::errinfo_errno(errno) << boost::errinfo_file_name(temp_path)); } } } output.open(temp_path.CStr()); if (!output.good()) Log(LogWarning, "PerfdataWriter") << "Could not open perfdata file '" << temp_path << "' for writing. Perfdata will be lost."; } void PerfdataWriter::RotationTimerHandler(void) { RotateFile(m_ServiceOutputFile, GetServiceTempPath(), GetServicePerfdataPath()); RotateFile(m_HostOutputFile, GetHostTempPath(), GetHostPerfdataPath()); } void PerfdataWriter::ValidateHostFormatTemplate(const String& value, const ValidationUtils& utils) { ObjectImpl::ValidateHostFormatTemplate(value, utils); if (!MacroProcessor::ValidateMacroString(value)) BOOST_THROW_EXCEPTION(ValidationError(this, boost::assign::list_of("host_format_template"), "Closing $ not found in macro format string '" + value + "'.")); } void PerfdataWriter::ValidateServiceFormatTemplate(const String& value, const ValidationUtils& utils) { ObjectImpl::ValidateServiceFormatTemplate(value, utils); if (!MacroProcessor::ValidateMacroString(value)) BOOST_THROW_EXCEPTION(ValidationError(this, boost::assign::list_of("service_format_template"), "Closing $ not found in macro format string '" + value + "'.")); }