icinga2/components/compat/checkresultreader.cpp

151 lines
4.9 KiB
C++

/******************************************************************************
* Icinga 2 *
* Copyright (C) 2012 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 "compat/checkresultreader.h"
#include "icinga/service.h"
#include "icinga/pluginchecktask.h"
#include "base/dynamictype.h"
#include "base/objectlock.h"
#include "base/logger_fwd.h"
#include "base/convert.h"
#include "base/application.h"
#include <boost/smart_ptr/make_shared.hpp>
#include <fstream>
using namespace icinga;
REGISTER_TYPE(CheckResultReader);
CheckResultReader::CheckResultReader(const Dictionary::Ptr& properties)
: DynamicObject(properties)
{
RegisterAttribute("spool_dir", Attribute_Config, &m_SpoolDir);
}
/**
* @threadsafety Always.
*/
void CheckResultReader::Start(void)
{
m_ReadTimer = boost::make_shared<Timer>();
m_ReadTimer->OnTimerExpired.connect(boost::bind(&CheckResultReader::ReadTimerHandler, this));
m_ReadTimer->SetInterval(5);
m_ReadTimer->Start();
}
/**
* @threadsafety Always.
*/
CheckResultReader::Ptr CheckResultReader::GetByName(const String& name)
{
DynamicObject::Ptr configObject = DynamicObject::GetObject("CheckResultReader", name);
return dynamic_pointer_cast<CheckResultReader>(configObject);
}
/**
* @threadsafety Always.
*/
String CheckResultReader::GetSpoolDir(void) const
{
if (!m_SpoolDir.IsEmpty())
return m_SpoolDir;
else
return Application::GetLocalStateDir() + "/lib/icinga2/spool/checkresults/";
}
/**
* @threadsafety Always.
*/
void CheckResultReader::ReadTimerHandler(void) const
{
Utility::Glob(GetSpoolDir() + "/c??????.ok", boost::bind(&CheckResultReader::ProcessCheckResultFile, this, _1));
}
void CheckResultReader::ProcessCheckResultFile(const String& path) const
{
String crfile = String(path.Begin(), path.End() - 3); /* Remove the ".ok" extension. */
std::ifstream fp;
fp.exceptions(std::ifstream::badbit);
fp.open(crfile.CStr());
std::map<String, String> attrs;
while (fp.good()) {
std::string line;
std::getline(fp, line);
if (line.empty() || line[0] == '#')
continue; /* Ignore comments and empty lines. */
int pos = line.find_first_of('=');
if (pos == std::string::npos)
continue; /* Ignore invalid lines. */
String key = line.substr(0, pos);
String value = line.substr(pos + 1);
attrs[key] = value;
}
/* Remove the checkresult files. */
(void)unlink(path.CStr());
(void)unlink(crfile.CStr());
Host::Ptr host = Host::GetByName(attrs["host_name"]);
if (!host) {
Log(LogWarning, "compat", "Ignoring checkresult file for host '" + attrs["host_name"] +
"': Host does not exist.");
return;
}
Service::Ptr service = host->GetServiceByShortName(attrs["service_description"]);
if (!service) {
Log(LogWarning, "compat", "Ignoring checkresult file for host '" + attrs["host_name"] +
"', service '" + attrs["service_description"] + "': Service does not exist.");
return;
}
Dictionary::Ptr result = PluginCheckTask::ParseCheckOutput(attrs["output"]);
result->Set("state", PluginCheckTask::ExitStatusToState(Convert::ToLong(attrs["return_code"])));
result->Set("execution_start", Convert::ToDouble(attrs["start_time"]));
result->Set("execution_end", Convert::ToDouble(attrs["finish_time"]));
result->Set("active", 1);
service->ProcessCheckResult(result);
Log(LogDebug, "compat", "Processed checkresult file for host '" + attrs["host_name"] +
"', service '" + attrs["service_description"] + "'");
{
ObjectLock olock(service);
/* Reschedule the next check. The side effect of this is that for as long
* as we receive check result files for a service we won't execute any
* active checks. */
service->SetNextCheck(Utility::GetTime() + service->GetCheckInterval());
}
}