livestatus/src/LogwatchListColumn.cc

   1 // +------------------------------------------------------------------+
   2 // |             ____ _               _        __  __ _  __           |
   3 // |            / ___| |__   ___  ___| | __   |  \/  | |/ /           |
   4 // |           | |   | '_ \ / _ \/ __| |/ /   | |\/| | ' /            |
   5 // |           | |___| | | |  __/ (__|   <    | |  | | . \            |
   6 // |            \____|_| |_|\___|\___|_|\_\___|_|  |_|_|\_\           |
   7 // |                                                                  |
   8 // | Copyright Mathias Kettner 2014             mk@mathias-kettner.de |
   9 // +------------------------------------------------------------------+
  10 //
  11 // This file is part of Check_MK.
  12 // The official homepage is at http://mathias-kettner.de/check_mk.
  13 //
  14 // check_mk is free software;  you can redistribute it and/or modify it
  15 // under the  terms of the  GNU General Public License  as published by
  16 // the Free Software Foundation in version 2.  check_mk is  distributed
  17 // in the hope that it will be useful, but WITHOUT ANY WARRANTY;  with-
  18 // out even the implied warranty of  MERCHANTABILITY  or  FITNESS FOR A
  19 // PARTICULAR PURPOSE. See the  GNU General Public License for more de-
  20 // tails. You should have  received  a copy of the  GNU  General Public
  21 // License along with GNU Make; see the file  COPYING.  If  not,  write
  22 // to the Free Software Foundation, Inc., 51 Franklin St,  Fifth Floor,
  23 // Boston, MA 02110-1301 USA.
  24
  25 #include "LogwatchListColumn.h"
  26 #include <algorithm>
  27 #include <iterator>
  28 #include <ostream>
  29 #include "FileSystem.h"
  30 #include "Logger.h"
  31 #include "MonitoringCore.h"
  32 #include "Row.h"
  33 #include "pnp4nagios.h"
  34
  35 #ifdef CMC
  36 #include "Host.h"
  37 #include "cmc.h"
  38 #else
  39 #include "nagios.h"
  40 #endif
  41
  42 std::vector<std::string> LogwatchListColumn::getValue(
  43     Row row, const contact * /*auth_user*/,
  44     std::chrono::seconds /*timezone_offset*/) const {
  45     auto dir = getDirectory(row);
  46     if (dir.empty()) {
  47         return {};
  48     }
  49     try {
  50         if (fs::exists(dir)) {
  51             std::vector<std::string> filenames;
  52             auto it = fs::directory_iterator(dir);
  53             std::transform(begin(it), end(it), std::back_inserter(filenames),
  54                            [](const auto &entry) {
  55                                return entry.path().filename().string();
  56                            });
  57             return filenames;
  58         }
  59     } catch (const fs::filesystem_error &e) {
  60         Warning(logger()) << name() << ": " << e.what();
  61     }
  62     return {};
  63 }
  64
  65 fs::path LogwatchListColumn::getDirectory(Row row) const {
  66     auto logwatch_path = _mc->mkLogwatchPath();
  67     auto host_name = getHostName(row);
  68     return logwatch_path.empty() || host_name.empty()
  69                ? fs::path()
  70                : fs::path(logwatch_path) / pnp_cleanup(host_name);
  71 }
  72
  73 std::string LogwatchListColumn::getHostName(Row row) const {
  74 #ifdef CMC
  75     if (auto hst = columnData<Host>(row)) {
  76         return hst->name();
  77     }
  78 #else
  79     if (auto hst = columnData<host>(row)) {
  80         return hst->name;
  81     }
  82 #endif
  83     return "";
  84 }