icinga2/lib/icinga/icingaapplication.cpp

347 lines
10 KiB
C++

/******************************************************************************
* Icinga 2 *
* Copyright (C) 2012-2014 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 *
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. *
******************************************************************************/
#include "icinga/icingaapplication.hpp"
#include "icinga/cib.hpp"
#include "base/dynamictype.hpp"
#include "base/logger_fwd.hpp"
#include "base/objectlock.hpp"
#include "base/convert.hpp"
#include "base/debug.hpp"
#include "base/utility.hpp"
#include "base/timer.hpp"
#include "base/scriptvariable.hpp"
#include "base/initialize.hpp"
#include "base/statsfunction.hpp"
using namespace icinga;
static Timer::Ptr l_RetentionTimer;
REGISTER_TYPE(IcingaApplication);
INITIALIZE_ONCE(&IcingaApplication::StaticInitialize);
void IcingaApplication::StaticInitialize(void)
{
ScriptVariable::Set("EnableNotifications", true);
ScriptVariable::Set("EnableEventHandlers", true);
ScriptVariable::Set("EnableFlapping", true);
ScriptVariable::Set("EnableHostChecks", true);
ScriptVariable::Set("EnableServiceChecks", true);
ScriptVariable::Set("EnablePerfdata", true);
String node_name = Utility::GetFQDN();
if (node_name.IsEmpty()) {
Log(LogNotice, "IcingaApplication", "No FQDN available. Trying Hostname.");
node_name = Utility::GetHostName();
if (node_name.IsEmpty()) {
Log(LogWarning, "IcingaApplication", "No FQDN nor Hostname available. Setting Nodename to 'localhost'.");
node_name = "localhost";
}
}
ScriptVariable::Set("NodeName", node_name);
}
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_host_checks", icingaapplication->GetEnableHostChecks());
stats->Set("enable_service_checks", icingaapplication->GetEnableServiceChecks());
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)
{
Log(LogDebug, "IcingaApplication", "In IcingaApplication::Main()");
/* periodically dump the program state */
l_RetentionTimer = make_shared<Timer>();
l_RetentionTimer->SetInterval(300);
l_RetentionTimer->OnTimerExpired.connect(boost::bind(&IcingaApplication::DumpProgramState, this));
l_RetentionTimer->Start();
RunEventLoop();
Log(LogInformation, "IcingaApplication", "Icinga has shut down.");
return EXIT_SUCCESS;
}
void IcingaApplication::OnShutdown(void)
{
ASSERT(!OwnsLock());
{
ObjectLock olock(this);
l_RetentionTimer->Stop();
}
DumpProgramState();
}
void IcingaApplication::DumpProgramState(void)
{
DynamicObject::DumpObjects(GetStatePath());
}
IcingaApplication::Ptr IcingaApplication::GetInstance(void)
{
return static_pointer_cast<IcingaApplication>(Application::GetInstance());
}
Dictionary::Ptr IcingaApplication::GetVars(void) const
{
ScriptVariable::Ptr sv = ScriptVariable::GetByName("Vars");
if (!sv)
return Dictionary::Ptr();
return sv->GetData();
}
String IcingaApplication::GetNodeName(void) const
{
return ScriptVariable::Get("NodeName");
}
bool IcingaApplication::ResolveMacro(const String& macro, const CheckResult::Ptr&, String *result) const
{
double now = Utility::GetTime();
if (macro == "timet") {
*result = Convert::ToString((long)now);
return true;
} else if (macro == "long_date_time") {
*result = Utility::FormatDateTime("%Y-%m-%d %H:%M:%S %z", now);
return true;
} else if (macro == "short_date_time") {
*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;
} else if (macro == "uptime") {
*result = Utility::FormatDuration(Utility::GetTime() - Application::GetStartTime());
return true;
}
Dictionary::Ptr vars = GetVars();
if (vars && vars->Contains(macro)) {
*result = vars->Get(macro);
return true;
}
if (macro.Contains("num_services")) {
ServiceStatistics ss = CIB::CalculateServiceStats();
if (macro == "num_services_ok") {
*result = Convert::ToString(ss.services_ok);
return true;
} else if (macro == "num_services_warning") {
*result = Convert::ToString(ss.services_warning);
return true;
} else if (macro == "num_services_critical") {
*result = Convert::ToString(ss.services_critical);
return true;
} else if (macro == "num_services_unknown") {
*result = Convert::ToString(ss.services_unknown);
return true;
} else if (macro == "num_services_pending") {
*result = Convert::ToString(ss.services_pending);
return true;
} else if (macro == "num_services_unreachable") {
*result = Convert::ToString(ss.services_unreachable);
return true;
} else if (macro == "num_services_flapping") {
*result = Convert::ToString(ss.services_flapping);
return true;
} else if (macro == "num_services_in_downtime") {
*result = Convert::ToString(ss.services_in_downtime);
return true;
} else if (macro == "num_services_acknowledged") {
*result = Convert::ToString(ss.services_acknowledged);
return true;
}
}
else if (macro.Contains("num_hosts")) {
HostStatistics hs = CIB::CalculateHostStats();
if (macro == "num_hosts_up") {
*result = Convert::ToString(hs.hosts_up);
return true;
} else if (macro == "num_hosts_down") {
*result = Convert::ToString(hs.hosts_down);
return true;
} else if (macro == "num_hosts_unreachable") {
*result = Convert::ToString(hs.hosts_unreachable);
return true;
} else if (macro == "num_hosts_flapping") {
*result = Convert::ToString(hs.hosts_flapping);
return true;
} else if (macro == "num_hosts_in_downtime") {
*result = Convert::ToString(hs.hosts_in_downtime);
return true;
} else if (macro == "num_hosts_acknowledged") {
*result = Convert::ToString(hs.hosts_acknowledged);
return true;
}
}
return false;
}
bool IcingaApplication::GetEnableNotifications(void) const
{
if (!GetOverrideEnableNotifications().IsEmpty())
return GetOverrideEnableNotifications();
else
return ScriptVariable::Get("EnableNotifications");
}
void IcingaApplication::SetEnableNotifications(bool enabled)
{
SetOverrideEnableNotifications(enabled);
}
void IcingaApplication::ClearEnableNotifications(void)
{
SetOverrideEnableNotifications(Empty);
}
bool IcingaApplication::GetEnableEventHandlers(void) const
{
if (!GetOverrideEnableEventHandlers().IsEmpty())
return GetOverrideEnableEventHandlers();
else
return ScriptVariable::Get("EnableEventHandlers");
}
void IcingaApplication::SetEnableEventHandlers(bool enabled)
{
SetOverrideEnableEventHandlers(enabled);
}
void IcingaApplication::ClearEnableEventHandlers(void)
{
SetOverrideEnableEventHandlers(Empty);
}
bool IcingaApplication::GetEnableFlapping(void) const
{
if (!GetOverrideEnableFlapping().IsEmpty())
return GetOverrideEnableFlapping();
else
return ScriptVariable::Get("EnableFlapping");
}
void IcingaApplication::SetEnableFlapping(bool enabled)
{
SetOverrideEnableFlapping(enabled);
}
void IcingaApplication::ClearEnableFlapping(void)
{
SetOverrideEnableFlapping(Empty);
}
bool IcingaApplication::GetEnableHostChecks(void) const
{
if (!GetOverrideEnableHostChecks().IsEmpty())
return GetOverrideEnableHostChecks();
else
return ScriptVariable::Get("EnableHostChecks");
}
void IcingaApplication::SetEnableHostChecks(bool enabled)
{
SetOverrideEnableHostChecks(enabled);
}
void IcingaApplication::ClearEnableHostChecks(void)
{
SetOverrideEnableHostChecks(Empty);
}
bool IcingaApplication::GetEnableServiceChecks(void) const
{
if (!GetOverrideEnableServiceChecks().IsEmpty())
return GetOverrideEnableServiceChecks();
else
return ScriptVariable::Get("EnableServiceChecks");
}
void IcingaApplication::SetEnableServiceChecks(bool enabled)
{
SetOverrideEnableServiceChecks(enabled);
}
void IcingaApplication::ClearEnableServiceChecks(void)
{
SetOverrideEnableServiceChecks(Empty);
}
bool IcingaApplication::GetEnablePerfdata(void) const
{
if (!GetOverrideEnablePerfdata().IsEmpty())
return GetOverrideEnablePerfdata();
else
return ScriptVariable::Get("EnablePerfdata");
}
void IcingaApplication::SetEnablePerfdata(bool enabled)
{
SetOverrideEnablePerfdata(enabled);
}
void IcingaApplication::ClearEnablePerfdata(void)
{
SetOverrideEnablePerfdata(Empty);
}