icinga2/cib/nagioschecktask.cpp

132 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;
void NagiosCheckTask::ScriptFunc(const ScriptTask::Ptr& task, const vector<Variant>& arguments)
{
if (arguments.size() < 1)
throw invalid_argument("Missing argument: Service must be specified.");
Variant vservice = arguments[0];
if (!vservice.IsObjectType<ConfigObject>())
throw invalid_argument("Argument must be a config object.");
Service service = static_cast<ConfigObject::Ptr>(vservice);
string checkCommand = service.GetCheckCommand();
vector<Dictionary::Ptr> macroDicts;
macroDicts.push_back(service.GetMacros());
/* TODO: figure out whether we should replicate hosts to checkers,
* for now we just rely on the convenience module to fill in host macros
* for inline service definitions. */
//macroDicts.push_back(service.GetHost().GetMacros());
macroDicts.push_back(IcingaApplication::GetInstance()->GetMacros());
string command = MacroProcessor::ResolveMacros(checkCommand, macroDicts);
CheckResult result;
time_t now;
time(&now);
result.SetScheduleStart(now);
Process::Ptr process = boost::make_shared<Process>(command, boost::bind(&NagiosCheckTask::ProcessFinishedHandler, task, _1, result));
process->Start();
}
void NagiosCheckTask::ProcessFinishedHandler(const ScriptTask::Ptr& task, const Process::Ptr& process, CheckResult result)
{
ProcessResult pr;
pr = process->GetResult();
result.SetExecutionStart(pr.ExecutionStart);
result.SetExecutionEnd(pr.ExecutionEnd);
string output = pr.Output;
boost::algorithm::trim(output);
ProcessCheckOutput(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;
}
result.SetState(state);
time_t now;
time(&now);
result.SetScheduleEnd(now);
task->Finish(result.GetDictionary());
}
void NagiosCheckTask::ProcessCheckOutput(CheckResult& result, const string& output)
{
string text;
string perfdata;
vector<string> lines;
boost::algorithm::split(lines, output, is_any_of("\r\n"));
vector<string>::iterator it;
for (it = lines.begin(); it != lines.end(); it++) {
const string& line = *it;
string::size_type delim = line.find('|');
if (!text.empty())
text.append("\n");
if (delim != string::npos) {
text.append(line, 0, delim);
if (!perfdata.empty())
perfdata.append(" ");
perfdata.append(line, delim + 1, line.size());
} else {
text.append(line);
}
}
result.SetOutput(text);
result.SetPerformanceDataRaw(perfdata);
}
void NagiosCheckTask::Register(void)
{
ScriptFunction::Ptr func = boost::make_shared<ScriptFunction>(&NagiosCheckTask::ScriptFunc);
ScriptFunction::Register("native::NagiosCheck", func);
}