icinga2/lib/icinga/pluginchecktask.cpp

125 lines
4.1 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 "i2-icinga.h"
using namespace icinga;
REGISTER_SCRIPTFUNCTION("PluginCheck", &PluginCheckTask::ScriptFunc);
PluginCheckTask::PluginCheckTask(const ScriptTask::Ptr& task, const Process::Ptr& process)
: m_Task(task), m_Process(process)
{ }
void PluginCheckTask::ScriptFunc(const ScriptTask::Ptr& task, const vector<Value>& arguments)
{
if (arguments.size() < 1)
BOOST_THROW_EXCEPTION(invalid_argument("Missing argument: Service must be specified."));
Value vservice = arguments[0];
if (!vservice.IsObjectType<Service>())
BOOST_THROW_EXCEPTION(invalid_argument("Argument must be a service."));
Service::Ptr service = vservice;
vector<Dictionary::Ptr> macroDicts;
macroDicts.push_back(service->GetMacros());
macroDicts.push_back(service->CalculateDynamicMacros());
macroDicts.push_back(service->GetHost()->GetMacros());
macroDicts.push_back(service->GetHost()->CalculateDynamicMacros());
macroDicts.push_back(IcingaApplication::GetInstance()->GetMacros());
Dictionary::Ptr macros = MacroProcessor::MergeMacroDicts(macroDicts);
Value command = MacroProcessor::ResolveMacros(service->GetCheckCommand(), macros);
Process::Ptr process = boost::make_shared<Process>(Process::SplitCommand(command), macros);
PluginCheckTask ct(task, process);
process->Start(boost::bind(&PluginCheckTask::ProcessFinishedHandler, ct));
}
void PluginCheckTask::ProcessFinishedHandler(PluginCheckTask ct)
{
ProcessResult pr;
try {
pr = ct.m_Process->GetResult();
} catch (...) {
ct.m_Task->FinishException(boost::current_exception());
return;
}
String output = pr.Output;
output.Trim();
Dictionary::Ptr result = ParseCheckOutput(output);
result->Set("state", ExitStatusToState(pr.ExitStatus));
result->Set("execution_start", pr.ExecutionStart);
result->Set("execution_end", pr.ExecutionEnd);
ct.m_Task->FinishResult(result);
}
ServiceState PluginCheckTask::ExitStatusToState(int exitStatus)
{
switch (exitStatus) {
case 0:
return StateOK;
case 1:
return StateWarning;
case 2:
return StateCritical;
default:
return StateUnknown;
}
}
Dictionary::Ptr PluginCheckTask::ParseCheckOutput(const String& output)
{
Dictionary::Ptr result = boost::make_shared<Dictionary>();
String text;
String perfdata;
vector<String> lines = output.Split(is_any_of("\r\n"));
BOOST_FOREACH (const String& line, lines) {
size_t delim = line.FindFirstOf("|");
if (!text.IsEmpty())
text += "\n";
if (delim != String::NPos) {
text += line.SubStr(0, delim);
if (!perfdata.IsEmpty())
perfdata += " ";
perfdata += line.SubStr(delim + 1, line.GetLength());
} else {
text += line;
}
}
result->Set("output", text);
result->Set("performance_data_raw", perfdata);
return result;
}