icinga2/lib/cli/variablegetcommand.cpp

94 lines
3.3 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 "cli/variablegetcommand.hpp"
#include "cli/variableutility.hpp"
#include "base/logger.hpp"
#include "base/application.hpp"
#include "base/convert.hpp"
#include "base/dynamicobject.hpp"
#include "base/dynamictype.hpp"
#include "base/json.hpp"
#include "base/netstring.hpp"
#include "base/stdiostream.hpp"
#include "base/debug.hpp"
#include "base/objectlock.hpp"
#include "base/console.hpp"
#include "base/scriptvariable.hpp"
#include <boost/foreach.hpp>
#include <boost/algorithm/string/join.hpp>
#include <boost/algorithm/string/replace.hpp>
#include <fstream>
#include <iostream>
using namespace icinga;
namespace po = boost::program_options;
REGISTER_CLICOMMAND("variable/get", VariableGetCommand);
String VariableGetCommand::GetDescription(void) const
{
return "Prints the value of an Icinga 2 variable.";
}
String VariableGetCommand::GetShortDescription(void) const
{
return "gets a variable";
}
void VariableGetCommand::InitParameters(boost::program_options::options_description& visibleDesc,
boost::program_options::options_description& hiddenDesc) const
{
visibleDesc.add_options()
("current", "Uses the current value (i.e. from the running process, rather than from the vars file)");
}
int VariableGetCommand::GetMinArguments(void) const
{
return 1;
}
/**
* The entry point for the "variable get" CLI command.
*
* @returns An exit status.
*/
int VariableGetCommand::Run(const boost::program_options::variables_map& vm, const std::vector<std::string>& ap) const
{
if (vm.count("current")) {
std::cout << ScriptVariable::Get(ap[0], &Empty) << "\n";
return 0;
}
String varsfile = Application::GetVarsPath();
if (!Utility::PathExists(varsfile)) {
Log(LogCritical, "cli")
<< "Cannot open variables file '" << varsfile << "'.";
Log(LogCritical, "cli", "Run 'icinga2 daemon -C' to validate config and generate the cache file.");
return 1;
}
Value value = VariableUtility::GetVariable(ap[0]);
std::cout << value << "\n";
return 0;
}