icinga2/lib/methods/pluginchecktask.cpp

103 lines
4.0 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 "methods/pluginchecktask.h"
#include "icinga/pluginutility.h"
#include "icinga/checkcommand.h"
#include "icinga/macroprocessor.h"
#include "icinga/icingaapplication.h"
#include "base/dynamictype.h"
#include "base/logger_fwd.h"
#include "base/scriptfunction.h"
#include "base/utility.h"
#include "base/process.h"
#include <boost/algorithm/string/classification.hpp>
#include <boost/algorithm/string/split.hpp>
#include <boost/foreach.hpp>
using namespace icinga;
REGISTER_SCRIPTFUNCTION(PluginCheck, &PluginCheckTask::ScriptFunc);
void PluginCheckTask::ScriptFunc(const Checkable::Ptr& checkable, const CheckResult::Ptr& cr)
{
CheckCommand::Ptr commandObj = checkable->GetCheckCommand();
Value raw_command = commandObj->GetCommandLine();
bool is_service = checkable->GetType() == DynamicType::GetByName("Service");
Host::Ptr host;
Service::Ptr service;
if (is_service) {
service = static_pointer_cast<Service>(checkable);
host = service->GetHost();
} else
host = static_pointer_cast<Host>(checkable);
std::vector<MacroResolver::Ptr> resolvers;
if (is_service)
resolvers.push_back(service);
resolvers.push_back(host);
resolvers.push_back(commandObj);
resolvers.push_back(IcingaApplication::GetInstance());
Value command = MacroProcessor::ResolveMacros(raw_command, resolvers, checkable->GetLastCheckResult(), Utility::EscapeShellCmd, commandObj->GetEscapeMacros());
Dictionary::Ptr envMacros = make_shared<Dictionary>();
Array::Ptr export_macros = commandObj->GetExportMacros();
if (export_macros) {
BOOST_FOREACH(const String& macro, export_macros) {
String value;
if (!MacroProcessor::ResolveMacro(macro, resolvers, checkable->GetLastCheckResult(), &value)) {
Log(LogWarning, "icinga", "export_macros for service '" + service->GetName() + "' refers to unknown macro '" + macro + "'");
continue;
}
envMacros->Set(macro, value);
}
}
cr->SetCommand(command);
Process::Ptr process = make_shared<Process>(Process::SplitCommand(command), envMacros);
process->SetTimeout(commandObj->GetTimeout());
process->Run(boost::bind(&PluginCheckTask::ProcessFinishedHandler, checkable, cr, _1));
}
void PluginCheckTask::ProcessFinishedHandler(const Checkable::Ptr& checkable, const CheckResult::Ptr& cr, const ProcessResult& pr)
{
String output = pr.Output;
output.Trim();
std::pair<String, Value> co = PluginUtility::ParseCheckOutput(output);
cr->SetOutput(co.first);
cr->SetPerformanceData(co.second);
cr->SetState(PluginUtility::ExitStatusToState(pr.ExitStatus));
cr->SetExitStatus(pr.ExitStatus);
cr->SetExecutionStart(pr.ExecutionStart);
cr->SetExecutionEnd(pr.ExecutionEnd);
checkable->ProcessCheckResult(cr);
}