icinga2/lib/icinga/icingaapplication.cpp

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/******************************************************************************
* Icinga 2 *
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* Copyright (C) 2012-present Icinga Development Team (http://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 *
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. *
******************************************************************************/
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#include "icinga/icingaapplication.h"
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#include "base/dynamictype.h"
#include "base/logger_fwd.h"
#include "base/objectlock.h"
#include "base/convert.h"
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#include "base/debug.h"
#include "base/utility.h"
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#include "base/timer.h"
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#include "base/scriptvariable.h"
#include "base/initialize.h"
#include "base/statsfunction.h"
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using namespace icinga;
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static Timer::Ptr l_RetentionTimer;
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REGISTER_TYPE(IcingaApplication);
INITIALIZE_ONCE(&IcingaApplication::StaticInitialize);
void IcingaApplication::StaticInitialize(void)
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{
ScriptVariable::Set("IcingaEnableNotifications", true);
ScriptVariable::Set("IcingaEnableEventHandlers", true);
ScriptVariable::Set("IcingaEnableFlapping", true);
ScriptVariable::Set("IcingaEnableChecks", true);
ScriptVariable::Set("IcingaEnablePerfdata", true);
ScriptVariable::Set("IcingaNodeName", Utility::GetHostName());
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}
REGISTER_STATSFUNCTION(IcingaApplicationStats, &IcingaApplication::StatsFunc);
Value IcingaApplication::StatsFunc(Dictionary::Ptr& status, Dictionary::Ptr& perfdata)
{
Dictionary::Ptr nodes = make_shared<Dictionary>();
BOOST_FOREACH(const IcingaApplication::Ptr& icingaapplication, DynamicType::GetObjects<IcingaApplication>()) {
Dictionary::Ptr stats = make_shared<Dictionary>();
stats->Set("node_name", icingaapplication->GetNodeName());
stats->Set("enable_notifications", icingaapplication->GetEnableNotifications());
stats->Set("enable_event_handlers", icingaapplication->GetEnableEventHandlers());
stats->Set("enable_flapping", icingaapplication->GetEnableFlapping());
stats->Set("enable_checks", icingaapplication->GetEnableChecks());
stats->Set("enable_perfdata", icingaapplication->GetEnablePerfdata());
stats->Set("pid", Utility::GetPid());
stats->Set("program_start", Application::GetStartTime());
stats->Set("version", Application::GetVersion());
nodes->Set(icingaapplication->GetName(), stats);
}
status->Set("icingaapplication", nodes);
return 0;
}
/**
* The entry point for the Icinga application.
*
* @returns An exit status.
*/
int IcingaApplication::Main(void)
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{
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Log(LogDebug, "icinga", "In IcingaApplication::Main()");
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/* periodically dump the program state */
l_RetentionTimer = make_shared<Timer>();
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l_RetentionTimer->SetInterval(300);
l_RetentionTimer->OnTimerExpired.connect(boost::bind(&IcingaApplication::DumpProgramState, this));
l_RetentionTimer->Start();
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RunEventLoop();
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Log(LogInformation, "icinga", "Icinga has shut down.");
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return EXIT_SUCCESS;
}
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void IcingaApplication::OnShutdown(void)
{
ASSERT(!OwnsLock());
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{
ObjectLock olock(this);
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l_RetentionTimer->Stop();
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}
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DumpProgramState();
}
void IcingaApplication::DumpProgramState(void)
{
DynamicObject::DumpObjects(GetStatePath());
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}
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IcingaApplication::Ptr IcingaApplication::GetInstance(void)
{
return static_pointer_cast<IcingaApplication>(Application::GetInstance());
}
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Dictionary::Ptr IcingaApplication::GetMacros(void) const
{
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return ScriptVariable::Get("IcingaMacros");
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}
String IcingaApplication::GetNodeName(void) const
{
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return ScriptVariable::Get("IcingaNodeName");
}
bool IcingaApplication::ResolveMacro(const String& macro, const CheckResult::Ptr&, String *result) const
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{
double now = Utility::GetTime();
if (macro == "TIMET") {
*result = Convert::ToString((long)now);
return true;
} else if (macro == "LONGDATETIME") {
*result = Utility::FormatDateTime("%Y-%m-%d %H:%M:%S %z", now);
return true;
} else if (macro == "SHORTDATETIME") {
*result = Utility::FormatDateTime("%Y-%m-%d %H:%M:%S", now);
return true;
} else if (macro == "DATE") {
*result = Utility::FormatDateTime("%Y-%m-%d", now);
return true;
} else if (macro == "TIME") {
*result = Utility::FormatDateTime("%H:%M:%S %z", now);
return true;
}
Dictionary::Ptr macros = GetMacros();
if (macros && macros->Contains(macro)) {
*result = macros->Get(macro);
return true;
}
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return false;
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}
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bool IcingaApplication::GetEnableNotifications(void) const
{
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if (!GetOverrideEnableNotifications().IsEmpty())
return GetOverrideEnableNotifications();
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else
return ScriptVariable::Get("IcingaEnableNotifications");
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}
void IcingaApplication::SetEnableNotifications(bool enabled)
{
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SetOverrideEnableNotifications(enabled);
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}
void IcingaApplication::ClearEnableNotifications(void)
{
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SetOverrideEnableNotifications(Empty);
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}
bool IcingaApplication::GetEnableEventHandlers(void) const
{
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if (!GetOverrideEnableEventHandlers().IsEmpty())
return GetOverrideEnableEventHandlers();
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else
return ScriptVariable::Get("IcingaEnableEventHandlers");
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}
void IcingaApplication::SetEnableEventHandlers(bool enabled)
{
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SetOverrideEnableEventHandlers(enabled);
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}
void IcingaApplication::ClearEnableEventHandlers(void)
{
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SetOverrideEnableEventHandlers(Empty);
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}
bool IcingaApplication::GetEnableFlapping(void) const
{
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if (!GetOverrideEnableFlapping().IsEmpty())
return GetOverrideEnableFlapping();
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else
return ScriptVariable::Get("IcingaEnableFlapping");
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}
void IcingaApplication::SetEnableFlapping(bool enabled)
{
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SetOverrideEnableFlapping(enabled);
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}
void IcingaApplication::ClearEnableFlapping(void)
{
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SetOverrideEnableFlapping(Empty);
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}
bool IcingaApplication::GetEnableChecks(void) const
{
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if (!GetOverrideEnableChecks().IsEmpty())
return GetOverrideEnableChecks();
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else
return ScriptVariable::Get("IcingaEnableChecks");
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}
void IcingaApplication::SetEnableChecks(bool enabled)
{
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SetOverrideEnableChecks(enabled);
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}
void IcingaApplication::ClearEnableChecks(void)
{
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SetOverrideEnableChecks(Empty);
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}
bool IcingaApplication::GetEnablePerfdata(void) const
{
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if (!GetOverrideEnablePerfdata().IsEmpty())
return GetOverrideEnablePerfdata();
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else
return ScriptVariable::Get("IcingaEnablePerfdata");
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}
void IcingaApplication::SetEnablePerfdata(bool enabled)
{
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SetOverrideEnablePerfdata(enabled);
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}
void IcingaApplication::ClearEnablePerfdata(void)
{
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SetOverrideEnablePerfdata(Empty);
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}