granicus.if.org Git - icinga2/blob - components/livestatus/commandstable.cpp

   1 /******************************************************************************
   2  * Icinga 2                                                                   *
   3  * Copyright (C) 2012-2014 Icinga Development Team (http://www.icinga.org)    *
   4  *                                                                            *
   5  * This program is free software; you can redistribute it and/or              *
   6  * modify it under the terms of the GNU General Public License                *
   7  * as published by the Free Software Foundation; either version 2             *
   8  * of the License, or (at your option) any later version.                     *
   9  *                                                                            *
  10  * This program is distributed in the hope that it will be useful,            *
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of             *
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the              *
  13  * GNU General Public License for more details.                               *
  14  *                                                                            *
  15  * You should have received a copy of the GNU General Public License          *
  16  * along with this program; if not, write to the Free Software Foundation     *
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.             *
  18  ******************************************************************************/
  19
  20 #include "livestatus/commandstable.h"
  21 #include "icinga/icingaapplication.h"
  22 #include "icinga/checkcommand.h"
  23 #include "icinga/eventcommand.h"
  24 #include "icinga/notificationcommand.h"
  25 #include "icinga/compatutility.h"
  26 #include "base/dynamictype.h"
  27 #include "base/objectlock.h"
  28 #include "base/convert.h"
  29 #include <boost/foreach.hpp>
  30 #include <boost/algorithm/string/replace.hpp>
  31
  32 using namespace icinga;
  33
  34 CommandsTable::CommandsTable(void)
  35 {
  36         AddColumns(this);
  37 }
  38
  39 void CommandsTable::AddColumns(Table *table, const String& prefix,
  40     const Column::ObjectAccessor& objectAccessor)
  41 {
  42         table->AddColumn(prefix + "name", Column(&CommandsTable::NameAccessor, objectAccessor));
  43         table->AddColumn(prefix + "line", Column(&CommandsTable::LineAccessor, objectAccessor));
  44         table->AddColumn(prefix + "custom_variable_names", Column(&CommandsTable::CustomVariableNamesAccessor, objectAccessor));
  45         table->AddColumn(prefix + "custom_variable_values", Column(&CommandsTable::CustomVariableValuesAccessor, objectAccessor));
  46         table->AddColumn(prefix + "custom_variables", Column(&CommandsTable::CustomVariablesAccessor, objectAccessor));
  47 }
  48
  49 String CommandsTable::GetName(void) const
  50 {
  51         return "command";
  52 }
  53
  54 void CommandsTable::FetchRows(const AddRowFunction& addRowFn)
  55 {
  56         BOOST_FOREACH(const DynamicObject::Ptr& object, DynamicType::GetObjects<CheckCommand>()) {
  57                 addRowFn(object);
  58         }
  59         BOOST_FOREACH(const DynamicObject::Ptr& object, DynamicType::GetObjects<EventCommand>()) {
  60                 addRowFn(object);
  61         }
  62         BOOST_FOREACH(const DynamicObject::Ptr& object, DynamicType::GetObjects<NotificationCommand>()) {
  63                 addRowFn(object);
  64         }
  65 }
  66
  67 Value CommandsTable::NameAccessor(const Value& row)
  68 {
  69         String buf;
  70         Command::Ptr command = static_cast<Command::Ptr>(row);
  71
  72         if (!command)
  73                 return Empty;
  74
  75         if (command->GetType() == DynamicType::GetByName("CheckCommand"))
  76                 buf += "check_";
  77         if (command->GetType() == DynamicType::GetByName("NotificationCommand"))
  78                 buf += "notification_";
  79         if (command->GetType() == DynamicType::GetByName("EventCommand"))
  80                 buf += "event_";
  81
  82         buf += command->GetName();
  83
  84         return buf;
  85 }
  86
  87 Value CommandsTable::LineAccessor(const Value& row)
  88 {
  89         String buf;
  90         Command::Ptr command = static_cast<Command::Ptr>(row);
  91
  92         if (!command)
  93                 return Empty;
  94
  95         Value commandLine = command->GetCommandLine();
  96
  97         if (commandLine.IsObjectType<Array>()) {
  98                 Array::Ptr args = commandLine;
  99
 100                 ObjectLock olock(args);
 101                 String arg;
 102                 BOOST_FOREACH(arg, args) {
 103                         // This is obviously incorrect for non-trivial cases.
 104                         String argitem = " \"" + arg + "\"";
 105                         boost::algorithm::replace_all(argitem, "\n", "\\n");
 106                         buf += argitem;
 107                 }
 108         } else if (!commandLine.IsEmpty()) {
 109                 String args = Convert::ToString(commandLine);
 110                 boost::algorithm::replace_all(args, "\n", "\\n");
 111                 buf += args;
 112         } else {
 113                 buf += "<internal>";
 114         }
 115
 116         return buf;
 117 }
 118
 119 Value CommandsTable::CustomVariableNamesAccessor(const Value& row)
 120 {
 121         Command::Ptr command = static_cast<Command::Ptr>(row);
 122
 123         if (!command)
 124                 return Empty;
 125
 126         Dictionary::Ptr vars;
 127
 128         {
 129                 ObjectLock olock(command);
 130                 vars = CompatUtility::GetCustomAttributeConfig(command);
 131         }
 132
 133         if (!vars)
 134                 return Empty;
 135
 136         Array::Ptr cv = make_shared<Array>();
 137
 138         String key;
 139         Value value;
 140         BOOST_FOREACH(tie(key, value), vars) {
 141                 cv->Add(key);
 142         }
 143
 144         return cv;
 145 }
 146
 147 Value CommandsTable::CustomVariableValuesAccessor(const Value& row)
 148 {
 149         Command::Ptr command = static_cast<Command::Ptr>(row);
 150
 151         if (!command)
 152                 return Empty;
 153
 154         Dictionary::Ptr vars;
 155
 156         {
 157                 ObjectLock olock(command);
 158                 vars = CompatUtility::GetCustomAttributeConfig(command);
 159         }
 160
 161         if (!vars)
 162                 return Empty;
 163
 164         Array::Ptr cv = make_shared<Array>();
 165
 166         String key;
 167         Value value;
 168         BOOST_FOREACH(tie(key, value), vars) {
 169                 cv->Add(value);
 170         }
 171
 172         return cv;
 173 }
 174
 175 Value CommandsTable::CustomVariablesAccessor(const Value& row)
 176 {
 177         Command::Ptr command = static_cast<Command::Ptr>(row);
 178
 179         if (!command)
 180                 return Empty;
 181
 182         Dictionary::Ptr vars;
 183
 184         {
 185                 ObjectLock olock(command);
 186                 vars = CompatUtility::GetCustomAttributeConfig(command);
 187         }
 188
 189         if (!vars)
 190                 return Empty;
 191
 192         Array::Ptr cv = make_shared<Array>();
 193
 194         String key;
 195         Value value;
 196         BOOST_FOREACH(tie(key, value), vars) {
 197                 Array::Ptr key_val = make_shared<Array>();
 198                 key_val->Add(key);
 199                 key_val->Add(value);
 200                 cv->Add(key_val);
 201         }
 202
 203         return cv;
 204 }