src/cli/dumpconfigurationcommand.cpp

   1 #include <ostream>
   2 #include <cstdlib>
   3 #include <fstream>
   4 #include <string>
   5 #include <iostream>
   6 #include <boost/property_tree/ptree.hpp>
   7 #include <boost/property_tree/json_parser.hpp>
   8 #include "private/cli/commandmap.hpp"
   9 #include "private/configurationpaths.hpp"
  10 #include "private/configurationreader.hpp"
  11
  12 using namespace shareddatalayer;
  13 using namespace shareddatalayer::cli;
  14
  15 namespace
  16 {
  17     bool parseConfiguration(const std::string& file)
  18     {
  19         boost::property_tree::ptree propertyTree;
  20
  21         try
  22         {
  23             boost::property_tree::read_json(file, propertyTree);
  24         }
  25         catch (const boost::property_tree::json_parser::json_parser_error& e)
  26         {
  27             std::ostringstream os;
  28             os << "error in SDL configuration " << file << " at line " << e.line() << ": ";
  29             os << e.message();
  30             std::cerr << os.str().c_str() << std::endl;
  31             return false;
  32         }
  33         return true;
  34     }
  35
  36
  37     int dumpConfigurationCommand(std::ostream& out)
  38     {
  39         std::string line;
  40         bool status(true);
  41
  42         for (const auto& i : findConfigurationFiles( getDefaultConfDirectories() ))
  43         {
  44             std::ifstream file(i);
  45
  46             out << "File: " << i << std::endl;
  47
  48             unsigned int lineNum = 1;
  49
  50             if(file.is_open())
  51             {
  52                 bool parseStatus = parseConfiguration(i);
  53
  54                 if(status && !parseStatus)
  55                     status = false;
  56
  57                 while(getline(file, line))
  58                     out << lineNum++ << ": " << line << std::endl;
  59                 file.close();
  60             }
  61         }
  62
  63         const auto var(DB_HOST_ENV_VAR_NAME);
  64         const auto conf(getenv(var));
  65         if (conf == nullptr)
  66             out << var << " not set." << std::endl;
  67         else
  68             out << var  << ": " << conf << std::endl;
  69
  70         if(!status)
  71         {
  72             return EXIT_FAILURE;
  73         }
  74         return EXIT_SUCCESS;
  75     }
  76 }
  77
  78 AUTO_REGISTER_COMMAND(std::bind(dumpConfigurationCommand, std::placeholders::_1),
  79                       "dump-configuration",
  80                       "Dump configuration",
  81                       "Find, parse and dump all shareddatalayer configuration files contents.",
  82                       CommandMap::Category::UTIL, 30000);
  83