icinga2/cib/nagioschecktask.cpp

133 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-cib.h"
using namespace icinga;
NagiosCheckTask::NagiosCheckTask(const ScriptTask::Ptr& task, const Process::Ptr& process)
: m_Task(task), m_Process(process)
{ }
void NagiosCheckTask::ScriptFunc(const ScriptTask::Ptr& task, const vector<Value>& arguments)
{
if (arguments.size() < 1)
throw_exception(invalid_argument("Missing argument: Service must be specified."));
Value vservice = arguments[0];
if (!vservice.IsObjectType<DynamicObject>())
throw_exception(invalid_argument("Argument must be a config object."));
Service::Ptr service = static_cast<Service::Ptr>(vservice);
String checkCommand = service->GetCheckCommand();
vector<Dictionary::Ptr> macroDicts;
macroDicts.push_back(service->GetMacros());
macroDicts.push_back(service->GetHost()->GetMacros());
macroDicts.push_back(IcingaApplication::GetInstance()->GetMacros());
String command = MacroProcessor::ResolveMacros(checkCommand, macroDicts);
Process::Ptr process = boost::make_shared<Process>(command);
NagiosCheckTask ct(task, process);
ct.m_Result = boost::make_shared<Dictionary>();
ct.m_Result->Set("schedule_start", Utility::GetTime());
process->Start(boost::bind(&NagiosCheckTask::ProcessFinishedHandler, ct));
}
void NagiosCheckTask::ProcessFinishedHandler(NagiosCheckTask ct)
{
ProcessResult pr;
try {
pr = ct.m_Process->GetResult();
} catch (...) {
ct.m_Task->FinishException(boost::current_exception());
return;
}
ct.m_Result->Set("execution_start", pr.ExecutionStart);
ct.m_Result->Set("execution_end", pr.ExecutionEnd);
String output = pr.Output;
output.Trim();
ProcessCheckOutput(ct.m_Result, output);
ServiceState state;
switch (pr.ExitStatus) {
case 0:
state = StateOK;
break;
case 1:
state = StateWarning;
break;
case 2:
state = StateCritical;
break;
default:
state = StateUnknown;
break;
}
ct.m_Result->Set("state", state);
ct.m_Result->Set("schedule_end", Utility::GetTime());
ct.m_Task->FinishResult(ct.m_Result);
}
void NagiosCheckTask::ProcessCheckOutput(const Dictionary::Ptr& result, String& output)
{
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);
}
void NagiosCheckTask::Register(void)
{
ScriptFunction::Ptr func = boost::make_shared<ScriptFunction>(&NagiosCheckTask::ScriptFunc);
ScriptFunction::Register("native::NagiosCheck", func);
}