mirror of https://github.com/Icinga/icinga2.git
108 lines
3.6 KiB
C++
108 lines
3.6 KiB
C++
/******************************************************************************
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* Icinga 2 *
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* Copyright (C) 2012-2014 Icinga Development Team (http://www.icinga.org) *
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* *
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* This program is free software; you can redistribute it and/or *
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* modify it under the terms of the GNU General Public License *
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* as published by the Free Software Foundation; either version 2 *
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* of the License, or (at your option) any later version. *
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* *
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* This program is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU General Public License for more details. *
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* *
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* You should have received a copy of the GNU General Public License *
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* along with this program; if not, write to the Free Software Foundation *
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. *
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******************************************************************************/
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#include "cli/variablegetcommand.hpp"
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#include "base/logger.hpp"
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#include "base/application.hpp"
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#include "base/convert.hpp"
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#include "base/dynamicobject.hpp"
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#include "base/dynamictype.hpp"
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#include "base/json.hpp"
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#include "base/netstring.hpp"
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#include "base/stdiostream.hpp"
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#include "base/debug.hpp"
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#include "base/objectlock.hpp"
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#include "base/console.hpp"
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#include "base/scriptvariable.hpp"
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#include <boost/foreach.hpp>
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#include <boost/algorithm/string/join.hpp>
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#include <boost/algorithm/string/replace.hpp>
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#include <fstream>
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#include <iostream>
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using namespace icinga;
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namespace po = boost::program_options;
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REGISTER_CLICOMMAND("variable/get", VariableGetCommand);
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String VariableGetCommand::GetDescription(void) const
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{
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return "Prints the value of an Icinga 2 variable.";
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}
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String VariableGetCommand::GetShortDescription(void) const
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{
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return "gets a variable";
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}
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void VariableGetCommand::InitParameters(boost::program_options::options_description& visibleDesc,
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boost::program_options::options_description& hiddenDesc) const
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{
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visibleDesc.add_options()
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("current", "Uses the current value (i.e. from the running process, rather than from the vars file)");
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}
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int VariableGetCommand::GetMinArguments(void) const
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{
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return 1;
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}
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/**
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* The entry point for the "variable get" CLI command.
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*
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* @returns An exit status.
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*/
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int VariableGetCommand::Run(const boost::program_options::variables_map& vm, const std::vector<std::string>& ap) const
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{
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if (vm.count("current")) {
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std::cout << ScriptVariable::Get(ap[0], &Empty) << "\n";
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return 0;
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}
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String varsfile = Application::GetVarsPath();
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if (!Utility::PathExists(varsfile)) {
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Log(LogCritical, "cli")
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<< "Cannot open variables file '" << varsfile << "'.";
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Log(LogCritical, "cli", "Run 'icinga2 daemon -C' to validate config and generate the cache file.");
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return 1;
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}
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std::fstream fp;
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fp.open(varsfile.CStr(), std::ios_base::in);
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StdioStream::Ptr sfp = make_shared<StdioStream>(&fp, false);
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String message;
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while (NetString::ReadStringFromStream(sfp, &message)) {
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Dictionary::Ptr variable = JsonDecode(message);
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if (variable->Get("name") == ap[0]) {
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std::cout << variable->Get("value") << "\n";
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break;
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}
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}
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sfp->Close();
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fp.close();
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return 0;
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}
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