granicus.if.org Git - icinga2/blob - lib/cli/variablegetcommand.cpp

   1 /* Icinga 2 | (c) 2012 Icinga GmbH | GPLv2+ */
   2
   3 #include "cli/variablegetcommand.hpp"
   4 #include "cli/variableutility.hpp"
   5 #include "base/logger.hpp"
   6 #include "base/application.hpp"
   7 #include "base/convert.hpp"
   8 #include "base/configobject.hpp"
   9 #include "base/configtype.hpp"
  10 #include "base/json.hpp"
  11 #include "base/netstring.hpp"
  12 #include "base/stdiostream.hpp"
  13 #include "base/debug.hpp"
  14 #include "base/objectlock.hpp"
  15 #include "base/console.hpp"
  16 #include "base/scriptglobal.hpp"
  17 #include <boost/algorithm/string/join.hpp>
  18 #include <boost/algorithm/string/replace.hpp>
  19 #include <fstream>
  20 #include <iostream>
  21
  22 using namespace icinga;
  23 namespace po = boost::program_options;
  24
  25 REGISTER_CLICOMMAND("variable/get", VariableGetCommand);
  26
  27 String VariableGetCommand::GetDescription() const
  28 {
  29         return "Prints the value of an Icinga 2 variable.";
  30 }
  31
  32 String VariableGetCommand::GetShortDescription() const
  33 {
  34         return "gets a variable";
  35 }
  36
  37 void VariableGetCommand::InitParameters(boost::program_options::options_description& visibleDesc,
  38         boost::program_options::options_description& hiddenDesc) const
  39 {
  40         visibleDesc.add_options()
  41                 ("current", "Uses the current value (i.e. from the running process, rather than from the vars file)");
  42 }
  43
  44 int VariableGetCommand::GetMinArguments() const
  45 {
  46         return 1;
  47 }
  48
  49 /**
  50  * The entry point for the "variable get" CLI command.
  51  *
  52  * @returns An exit status.
  53  */
  54 int VariableGetCommand::Run(const boost::program_options::variables_map& vm, const std::vector<std::string>& ap) const
  55 {
  56         if (vm.count("current")) {
  57                 std::cout << ScriptGlobal::Get(ap[0], &Empty) << "\n";
  58                 return 0;
  59         }
  60
  61         String varsfile = Configuration::VarsPath;
  62
  63         if (!Utility::PathExists(varsfile)) {
  64                 Log(LogCritical, "cli")
  65                         << "Cannot open variables file '" << varsfile << "'.";
  66                 Log(LogCritical, "cli", "Run 'icinga2 daemon -C' to validate config and generate the cache file.");
  67                 return 1;
  68         }
  69
  70         Value value = VariableUtility::GetVariable(ap[0]);
  71
  72         std::cout << value << "\n";
  73
  74         return 0;
  75 }