mirror of https://github.com/Icinga/icinga2.git
298 lines
9.3 KiB
C++
298 lines
9.3 KiB
C++
/******************************************************************************
|
|
* Icinga 2 *
|
|
* Copyright (C) 2012-2017 Icinga Development Team (https://www.icinga.com/) *
|
|
* *
|
|
* 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/icingaapplication.tcpp"
|
|
#include "icinga/cib.hpp"
|
|
#include "icinga/macroprocessor.hpp"
|
|
#include "config/configcompiler.hpp"
|
|
#include "base/configwriter.hpp"
|
|
#include "base/configtype.hpp"
|
|
#include "base/logger.hpp"
|
|
#include "base/objectlock.hpp"
|
|
#include "base/convert.hpp"
|
|
#include "base/debug.hpp"
|
|
#include "base/utility.hpp"
|
|
#include "base/timer.hpp"
|
|
#include "base/scriptglobal.hpp"
|
|
#include "base/initialize.hpp"
|
|
#include "base/statsfunction.hpp"
|
|
#include "base/loader.hpp"
|
|
|
|
using namespace icinga;
|
|
|
|
static Timer::Ptr l_RetentionTimer;
|
|
|
|
REGISTER_TYPE(IcingaApplication);
|
|
INITIALIZE_ONCE(&IcingaApplication::StaticInitialize);
|
|
|
|
void IcingaApplication::StaticInitialize(void)
|
|
{
|
|
Loader::LoadExtensionLibrary("methods");
|
|
|
|
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";
|
|
}
|
|
}
|
|
|
|
ScriptGlobal::Set("NodeName", node_name);
|
|
|
|
ScriptGlobal::Set("ApplicationType", "IcingaApplication");
|
|
}
|
|
|
|
REGISTER_STATSFUNCTION(IcingaApplication, &IcingaApplication::StatsFunc);
|
|
|
|
void IcingaApplication::StatsFunc(const Dictionary::Ptr& status, const Array::Ptr& perfdata)
|
|
{
|
|
Dictionary::Ptr nodes = new Dictionary();
|
|
|
|
for (const IcingaApplication::Ptr& icingaapplication : ConfigType::GetObjectsByType<IcingaApplication>()) {
|
|
Dictionary::Ptr stats = new 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::GetAppVersion());
|
|
|
|
nodes->Set(icingaapplication->GetName(), stats);
|
|
}
|
|
|
|
status->Set("icingaapplication", nodes);
|
|
}
|
|
|
|
/**
|
|
* 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 = new 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)
|
|
{
|
|
{
|
|
ObjectLock olock(this);
|
|
l_RetentionTimer->Stop();
|
|
}
|
|
|
|
DumpProgramState();
|
|
}
|
|
|
|
static void PersistModAttrHelper(std::fstream& fp, ConfigObject::Ptr& previousObject, const ConfigObject::Ptr& object, const String& attr, const Value& value)
|
|
{
|
|
if (object != previousObject) {
|
|
if (previousObject) {
|
|
ConfigWriter::EmitRaw(fp, "\tobj.version = ");
|
|
ConfigWriter::EmitValue(fp, 0, previousObject->GetVersion());
|
|
ConfigWriter::EmitRaw(fp, "\n}\n\n");
|
|
}
|
|
|
|
ConfigWriter::EmitRaw(fp, "var obj = ");
|
|
|
|
Array::Ptr args1 = new Array();
|
|
args1->Add(object->GetReflectionType()->GetName());
|
|
args1->Add(object->GetName());
|
|
ConfigWriter::EmitFunctionCall(fp, "get_object", args1);
|
|
|
|
ConfigWriter::EmitRaw(fp, "\nif (obj) {\n");
|
|
}
|
|
|
|
ConfigWriter::EmitRaw(fp, "\tobj.");
|
|
|
|
Array::Ptr args2 = new Array();
|
|
args2->Add(attr);
|
|
args2->Add(value);
|
|
ConfigWriter::EmitFunctionCall(fp, "modify_attribute", args2);
|
|
|
|
ConfigWriter::EmitRaw(fp, "\n");
|
|
|
|
previousObject = object;
|
|
}
|
|
|
|
void IcingaApplication::DumpProgramState(void)
|
|
{
|
|
ConfigObject::DumpObjects(GetStatePath());
|
|
DumpModifiedAttributes();
|
|
}
|
|
|
|
void IcingaApplication::DumpModifiedAttributes(void)
|
|
{
|
|
String path = GetModAttrPath();
|
|
|
|
std::fstream fp;
|
|
String tempFilename = Utility::CreateTempFile(path + ".XXXXXX", 0644, fp);
|
|
fp.exceptions(std::ofstream::failbit | std::ofstream::badbit);
|
|
|
|
ConfigObject::Ptr previousObject;
|
|
ConfigObject::DumpModifiedAttributes(boost::bind(&PersistModAttrHelper, boost::ref(fp), boost::ref(previousObject), _1, _2, _3));
|
|
|
|
if (previousObject) {
|
|
ConfigWriter::EmitRaw(fp, "\tobj.version = ");
|
|
ConfigWriter::EmitValue(fp, 0, previousObject->GetVersion());
|
|
ConfigWriter::EmitRaw(fp, "\n}\n");
|
|
}
|
|
|
|
fp.close();
|
|
|
|
#ifdef _WIN32
|
|
_unlink(path.CStr());
|
|
#endif /* _WIN32 */
|
|
|
|
if (rename(tempFilename.CStr(), path.CStr()) < 0) {
|
|
BOOST_THROW_EXCEPTION(posix_error()
|
|
<< boost::errinfo_api_function("rename")
|
|
<< boost::errinfo_errno(errno)
|
|
<< boost::errinfo_file_name(tempFilename));
|
|
}
|
|
}
|
|
|
|
IcingaApplication::Ptr IcingaApplication::GetInstance(void)
|
|
{
|
|
return static_pointer_cast<IcingaApplication>(Application::GetInstance());
|
|
}
|
|
|
|
bool IcingaApplication::ResolveMacro(const String& macro, const CheckResult::Ptr&, Value *result) const
|
|
{
|
|
double now = Utility::GetTime();
|
|
|
|
if (macro == "timet") {
|
|
*result = static_cast<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 = ss.services_ok;
|
|
return true;
|
|
} else if (macro == "num_services_warning") {
|
|
*result = ss.services_warning;
|
|
return true;
|
|
} else if (macro == "num_services_critical") {
|
|
*result = ss.services_critical;
|
|
return true;
|
|
} else if (macro == "num_services_unknown") {
|
|
*result = ss.services_unknown;
|
|
return true;
|
|
} else if (macro == "num_services_pending") {
|
|
*result = ss.services_pending;
|
|
return true;
|
|
} else if (macro == "num_services_unreachable") {
|
|
*result = ss.services_unreachable;
|
|
return true;
|
|
} else if (macro == "num_services_flapping") {
|
|
*result = ss.services_flapping;
|
|
return true;
|
|
} else if (macro == "num_services_in_downtime") {
|
|
*result = ss.services_in_downtime;
|
|
return true;
|
|
} else if (macro == "num_services_acknowledged") {
|
|
*result = ss.services_acknowledged;
|
|
return true;
|
|
}
|
|
}
|
|
else if (macro.Contains("num_hosts")) {
|
|
HostStatistics hs = CIB::CalculateHostStats();
|
|
|
|
if (macro == "num_hosts_up") {
|
|
*result = hs.hosts_up;
|
|
return true;
|
|
} else if (macro == "num_hosts_down") {
|
|
*result = hs.hosts_down;
|
|
return true;
|
|
} else if (macro == "num_hosts_pending") {
|
|
*result = hs.hosts_pending;
|
|
return true;
|
|
} else if (macro == "num_hosts_unreachable") {
|
|
*result = hs.hosts_unreachable;
|
|
return true;
|
|
} else if (macro == "num_hosts_flapping") {
|
|
*result = hs.hosts_flapping;
|
|
return true;
|
|
} else if (macro == "num_hosts_in_downtime") {
|
|
*result = hs.hosts_in_downtime;
|
|
return true;
|
|
} else if (macro == "num_hosts_acknowledged") {
|
|
*result = hs.hosts_acknowledged;
|
|
return true;
|
|
}
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
String IcingaApplication::GetNodeName(void) const
|
|
{
|
|
return ScriptGlobal::Get("NodeName");
|
|
}
|
|
|
|
void IcingaApplication::ValidateVars(const Dictionary::Ptr& value, const ValidationUtils& utils)
|
|
{
|
|
MacroProcessor::ValidateCustomVars(this, value);
|
|
}
|