mirror of
https://github.com/Icinga/icinga2.git
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347 lines
10 KiB
C++
347 lines
10 KiB
C++
/******************************************************************************
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* Icinga 2 *
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* Copyright (C) 2012-2014 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/icingaapplication.hpp"
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#include "icinga/cib.hpp"
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#include "base/dynamictype.hpp"
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#include "base/logger.hpp"
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#include "base/objectlock.hpp"
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#include "base/convert.hpp"
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#include "base/debug.hpp"
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#include "base/utility.hpp"
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#include "base/timer.hpp"
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#include "base/scriptvariable.hpp"
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#include "base/initialize.hpp"
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#include "base/statsfunction.hpp"
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using namespace icinga;
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static Timer::Ptr l_RetentionTimer;
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REGISTER_TYPE(IcingaApplication);
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INITIALIZE_ONCE(&IcingaApplication::StaticInitialize);
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void IcingaApplication::StaticInitialize(void)
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{
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ScriptVariable::Set("EnableNotifications", true);
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ScriptVariable::Set("EnableEventHandlers", true);
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ScriptVariable::Set("EnableFlapping", true);
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ScriptVariable::Set("EnableHostChecks", true);
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ScriptVariable::Set("EnableServiceChecks", true);
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ScriptVariable::Set("EnablePerfdata", true);
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String node_name = Utility::GetFQDN();
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if (node_name.IsEmpty()) {
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Log(LogNotice, "IcingaApplication", "No FQDN available. Trying Hostname.");
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node_name = Utility::GetHostName();
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if (node_name.IsEmpty()) {
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Log(LogWarning, "IcingaApplication", "No FQDN nor Hostname available. Setting Nodename to 'localhost'.");
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node_name = "localhost";
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}
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}
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ScriptVariable::Set("NodeName", node_name);
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}
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REGISTER_STATSFUNCTION(IcingaApplicationStats, &IcingaApplication::StatsFunc);
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Value IcingaApplication::StatsFunc(Dictionary::Ptr& status, Array::Ptr& perfdata)
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{
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Dictionary::Ptr nodes = make_shared<Dictionary>();
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BOOST_FOREACH(const IcingaApplication::Ptr& icingaapplication, DynamicType::GetObjectsByType<IcingaApplication>()) {
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Dictionary::Ptr stats = make_shared<Dictionary>();
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stats->Set("node_name", icingaapplication->GetNodeName());
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stats->Set("enable_notifications", icingaapplication->GetEnableNotifications());
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stats->Set("enable_event_handlers", icingaapplication->GetEnableEventHandlers());
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stats->Set("enable_flapping", icingaapplication->GetEnableFlapping());
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stats->Set("enable_host_checks", icingaapplication->GetEnableHostChecks());
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stats->Set("enable_service_checks", icingaapplication->GetEnableServiceChecks());
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stats->Set("enable_perfdata", icingaapplication->GetEnablePerfdata());
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stats->Set("pid", Utility::GetPid());
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stats->Set("program_start", Application::GetStartTime());
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stats->Set("version", Application::GetVersion());
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nodes->Set(icingaapplication->GetName(), stats);
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}
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status->Set("icingaapplication", nodes);
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return 0;
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}
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/**
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* The entry point for the Icinga application.
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*
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* @returns An exit status.
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*/
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int IcingaApplication::Main(void)
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{
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Log(LogDebug, "IcingaApplication", "In IcingaApplication::Main()");
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/* periodically dump the program state */
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l_RetentionTimer = make_shared<Timer>();
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l_RetentionTimer->SetInterval(300);
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l_RetentionTimer->OnTimerExpired.connect(boost::bind(&IcingaApplication::DumpProgramState, this));
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l_RetentionTimer->Start();
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RunEventLoop();
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Log(LogInformation, "IcingaApplication", "Icinga has shut down.");
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return EXIT_SUCCESS;
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}
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void IcingaApplication::OnShutdown(void)
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{
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ASSERT(!OwnsLock());
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{
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ObjectLock olock(this);
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l_RetentionTimer->Stop();
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}
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DumpProgramState();
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}
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void IcingaApplication::DumpProgramState(void)
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{
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DynamicObject::DumpObjects(GetStatePath());
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}
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IcingaApplication::Ptr IcingaApplication::GetInstance(void)
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{
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return static_pointer_cast<IcingaApplication>(Application::GetInstance());
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}
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Dictionary::Ptr IcingaApplication::GetVars(void) const
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{
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ScriptVariable::Ptr sv = ScriptVariable::GetByName("Vars");
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if (!sv)
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return Dictionary::Ptr();
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return sv->GetData();
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}
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String IcingaApplication::GetNodeName(void) const
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{
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return ScriptVariable::Get("NodeName");
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}
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bool IcingaApplication::ResolveMacro(const String& macro, const CheckResult::Ptr&, String *result) const
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{
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double now = Utility::GetTime();
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if (macro == "timet") {
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*result = Convert::ToString((long)now);
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return true;
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} else if (macro == "long_date_time") {
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*result = Utility::FormatDateTime("%Y-%m-%d %H:%M:%S %z", now);
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return true;
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} else if (macro == "short_date_time") {
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*result = Utility::FormatDateTime("%Y-%m-%d %H:%M:%S", now);
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return true;
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} else if (macro == "date") {
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*result = Utility::FormatDateTime("%Y-%m-%d", now);
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return true;
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} else if (macro == "time") {
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*result = Utility::FormatDateTime("%H:%M:%S %z", now);
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return true;
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} else if (macro == "uptime") {
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*result = Utility::FormatDuration(Utility::GetTime() - Application::GetStartTime());
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return true;
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}
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Dictionary::Ptr vars = GetVars();
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if (vars && vars->Contains(macro)) {
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*result = vars->Get(macro);
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return true;
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}
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if (macro.Contains("num_services")) {
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ServiceStatistics ss = CIB::CalculateServiceStats();
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if (macro == "num_services_ok") {
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*result = Convert::ToString(ss.services_ok);
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return true;
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} else if (macro == "num_services_warning") {
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*result = Convert::ToString(ss.services_warning);
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return true;
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} else if (macro == "num_services_critical") {
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*result = Convert::ToString(ss.services_critical);
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return true;
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} else if (macro == "num_services_unknown") {
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*result = Convert::ToString(ss.services_unknown);
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return true;
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} else if (macro == "num_services_pending") {
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*result = Convert::ToString(ss.services_pending);
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return true;
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} else if (macro == "num_services_unreachable") {
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*result = Convert::ToString(ss.services_unreachable);
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return true;
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} else if (macro == "num_services_flapping") {
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*result = Convert::ToString(ss.services_flapping);
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return true;
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} else if (macro == "num_services_in_downtime") {
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*result = Convert::ToString(ss.services_in_downtime);
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return true;
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} else if (macro == "num_services_acknowledged") {
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*result = Convert::ToString(ss.services_acknowledged);
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return true;
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}
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}
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else if (macro.Contains("num_hosts")) {
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HostStatistics hs = CIB::CalculateHostStats();
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if (macro == "num_hosts_up") {
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*result = Convert::ToString(hs.hosts_up);
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return true;
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} else if (macro == "num_hosts_down") {
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*result = Convert::ToString(hs.hosts_down);
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return true;
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} else if (macro == "num_hosts_unreachable") {
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*result = Convert::ToString(hs.hosts_unreachable);
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return true;
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} else if (macro == "num_hosts_flapping") {
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*result = Convert::ToString(hs.hosts_flapping);
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return true;
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} else if (macro == "num_hosts_in_downtime") {
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*result = Convert::ToString(hs.hosts_in_downtime);
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return true;
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} else if (macro == "num_hosts_acknowledged") {
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*result = Convert::ToString(hs.hosts_acknowledged);
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return true;
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}
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}
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return false;
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}
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bool IcingaApplication::GetEnableNotifications(void) const
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{
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if (!GetOverrideEnableNotifications().IsEmpty())
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return GetOverrideEnableNotifications();
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else
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return ScriptVariable::Get("EnableNotifications");
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}
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void IcingaApplication::SetEnableNotifications(bool enabled)
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{
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SetOverrideEnableNotifications(enabled);
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}
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void IcingaApplication::ClearEnableNotifications(void)
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{
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SetOverrideEnableNotifications(Empty);
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}
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bool IcingaApplication::GetEnableEventHandlers(void) const
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{
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if (!GetOverrideEnableEventHandlers().IsEmpty())
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return GetOverrideEnableEventHandlers();
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else
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return ScriptVariable::Get("EnableEventHandlers");
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}
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void IcingaApplication::SetEnableEventHandlers(bool enabled)
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{
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SetOverrideEnableEventHandlers(enabled);
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}
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void IcingaApplication::ClearEnableEventHandlers(void)
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{
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SetOverrideEnableEventHandlers(Empty);
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}
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bool IcingaApplication::GetEnableFlapping(void) const
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{
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if (!GetOverrideEnableFlapping().IsEmpty())
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return GetOverrideEnableFlapping();
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else
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return ScriptVariable::Get("EnableFlapping");
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}
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void IcingaApplication::SetEnableFlapping(bool enabled)
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{
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SetOverrideEnableFlapping(enabled);
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}
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void IcingaApplication::ClearEnableFlapping(void)
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{
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SetOverrideEnableFlapping(Empty);
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}
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bool IcingaApplication::GetEnableHostChecks(void) const
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{
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if (!GetOverrideEnableHostChecks().IsEmpty())
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return GetOverrideEnableHostChecks();
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else
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return ScriptVariable::Get("EnableHostChecks");
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}
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void IcingaApplication::SetEnableHostChecks(bool enabled)
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{
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SetOverrideEnableHostChecks(enabled);
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}
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void IcingaApplication::ClearEnableHostChecks(void)
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{
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SetOverrideEnableHostChecks(Empty);
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}
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bool IcingaApplication::GetEnableServiceChecks(void) const
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{
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if (!GetOverrideEnableServiceChecks().IsEmpty())
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return GetOverrideEnableServiceChecks();
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else
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return ScriptVariable::Get("EnableServiceChecks");
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}
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void IcingaApplication::SetEnableServiceChecks(bool enabled)
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{
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SetOverrideEnableServiceChecks(enabled);
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}
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void IcingaApplication::ClearEnableServiceChecks(void)
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{
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SetOverrideEnableServiceChecks(Empty);
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}
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bool IcingaApplication::GetEnablePerfdata(void) const
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{
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if (!GetOverrideEnablePerfdata().IsEmpty())
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return GetOverrideEnablePerfdata();
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else
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return ScriptVariable::Get("EnablePerfdata");
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}
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void IcingaApplication::SetEnablePerfdata(bool enabled)
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{
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SetOverrideEnablePerfdata(enabled);
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}
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void IcingaApplication::ClearEnablePerfdata(void)
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{
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SetOverrideEnablePerfdata(Empty);
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}
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