icinga2/lib/icinga/pluginnotificationtask.cpp

125 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 "icinga/pluginnotificationtask.h"
#include "icinga/notification.h"
#include "icinga/service.h"
#include "icinga/macroprocessor.h"
#include "icinga/icingaapplication.h"
#include "base/scriptfunction.h"
#include "base/logger_fwd.h"
#include <boost/smart_ptr/make_shared.hpp>
#include <boost/foreach.hpp>
using namespace icinga;
REGISTER_SCRIPTFUNCTION(PluginNotification, &PluginNotificationTask::ScriptFunc);
PluginNotificationTask::PluginNotificationTask(const ScriptTask::Ptr& task, const Process::Ptr& process,
const String& service, const String& command)
: m_Task(task), m_Process(process), m_ServiceName(service), m_Command(command)
{ }
void PluginNotificationTask::ScriptFunc(const ScriptTask::Ptr& task, const std::vector<Value>& arguments)
{
if (arguments.size() < 1)
BOOST_THROW_EXCEPTION(std::invalid_argument("Missing argument: Notification target must be specified."));
if (arguments.size() < 2)
BOOST_THROW_EXCEPTION(std::invalid_argument("Missing argument: User must be specified."));
if (arguments.size() < 3)
BOOST_THROW_EXCEPTION(std::invalid_argument("Missing argument: CheckResult must be specified."));
if (arguments.size() < 4)
BOOST_THROW_EXCEPTION(std::invalid_argument("Missing argument: Notification type must be specified."));
Notification::Ptr notification = arguments[0];
User::Ptr user = arguments[1];
Dictionary::Ptr cr = arguments[2];
NotificationType type = static_cast<NotificationType>(static_cast<int>(arguments[3]));
Value raw_command = notification->GetNotificationCommand();
String service_name;
Service::Ptr service = notification->GetService();
if (service)
service_name = service->GetName();
StaticMacroResolver::Ptr notificationMacroResolver = boost::make_shared<StaticMacroResolver>();
notificationMacroResolver->Add("NOTIFICATIONTYPE", Notification::NotificationTypeToString(type));
std::vector<MacroResolver::Ptr> resolvers;
resolvers.push_back(user);
resolvers.push_back(notificationMacroResolver);
resolvers.push_back(notification);
resolvers.push_back(service);
resolvers.push_back(service->GetHost());
resolvers.push_back(IcingaApplication::GetInstance());
Value command = MacroProcessor::ResolveMacros(raw_command, resolvers, cr, Utility::EscapeShellCmd);
Dictionary::Ptr envMacros = boost::make_shared<Dictionary>();
Array::Ptr export_macros = notification->GetExportMacros();
if (export_macros) {
BOOST_FOREACH(const String& macro, export_macros) {
String value;
if (!MacroProcessor::ResolveMacro(macro, resolvers, cr, &value)) {
Log(LogWarning, "icinga", "export_macros for notification '" + notification->GetName() + "' refers to unknown macro '" + macro + "'");
continue;
}
envMacros->Set(macro, value);
}
}
Process::Ptr process = boost::make_shared<Process>(Process::SplitCommand(command), envMacros);
PluginNotificationTask ct(task, process, service_name, command);
process->Start(boost::bind(&PluginNotificationTask::ProcessFinishedHandler, ct));
}
void PluginNotificationTask::ProcessFinishedHandler(PluginNotificationTask ct)
{
ProcessResult pr;
try {
pr = ct.m_Process->GetResult();
if (pr.ExitStatus != 0) {
std::ostringstream msgbuf;
msgbuf << "Notification command '" << ct.m_Command << "' for service '"
<< ct.m_ServiceName << "' failed; exit status: "
<< pr.ExitStatus << ", output: " << pr.Output;
Log(LogWarning, "icinga", msgbuf.str());
}
ct.m_Task->FinishResult(Empty);
} catch (...) {
ct.m_Task->FinishException(boost::current_exception());
return;
}
}