granicus.if.org Git - icinga2/blob - lib/icinga/notification.cpp

   1 /******************************************************************************
   2  * Icinga 2                                                                   *
   3  * Copyright (C) 2012 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 "i2-icinga.h"
  21
  22 using namespace icinga;
  23
  24 REGISTER_TYPE(Notification, NULL);
  25
  26 Notification::Notification(const Dictionary::Ptr& properties)
  27         : DynamicObject(properties)
  28 {
  29         RegisterAttribute("notification_command", Attribute_Config, &m_NotificationCommand);
  30         RegisterAttribute("macros", Attribute_Config, &m_Macros);
  31         RegisterAttribute("users", Attribute_Config, &m_Users);
  32         RegisterAttribute("host_name", Attribute_Config, &m_HostName);
  33         RegisterAttribute("service", Attribute_Config, &m_Service);
  34 }
  35
  36 Notification::~Notification(void)
  37 {
  38         Service::InvalidateNotificationsCache();
  39 }
  40
  41 Notification::Ptr Notification::GetByName(const String& name)
  42 {
  43         DynamicObject::Ptr configObject = DynamicObject::GetObject("Notification", name);
  44
  45         if (!configObject)
  46                 BOOST_THROW_EXCEPTION(invalid_argument("Notification '" + name + "' does not exist."));
  47
  48         return dynamic_pointer_cast<Notification>(configObject);
  49 }
  50
  51 Service::Ptr Notification::GetService(void) const
  52 {
  53         Host::Ptr host = Host::GetByName(m_HostName);
  54
  55         if (!host)
  56                 return Service::Ptr();
  57
  58         if (m_Service.IsEmpty())
  59                 return Host::GetHostCheckService(host);
  60         else
  61                 return Host::GetServiceByShortName(host, m_Service);
  62 }
  63
  64 Value Notification::GetNotificationCommand(void) const
  65 {
  66         return m_NotificationCommand;
  67 }
  68
  69 Dictionary::Ptr Notification::GetMacros(void) const
  70 {
  71         return m_Macros;
  72 }
  73
  74 set<User::Ptr> Notification::GetUsers(void) const
  75 {
  76         set<User::Ptr> result;
  77
  78         Dictionary::Ptr users = m_Users;
  79
  80         if (users) {
  81                 String name;
  82                 BOOST_FOREACH(tie(tuples::ignore, name), users) {
  83                         result.insert(User::GetByName(name));
  84                 }
  85         }
  86
  87         return result;
  88 }
  89
  90 String Notification::NotificationTypeToString(NotificationType type)
  91 {
  92         switch (type) {
  93                 case NotificationDowntimeStart:
  94                         return "DOWNTIMESTART";
  95                 case NotificationDowntimeEnd:
  96                         return "DOWNTIMEEND";
  97                 case NotificationDowntimeRemoved:
  98                         return "DOWNTIMECANCELLED";
  99                 case NotificationCustom:
 100                         return "CUSTOM";
 101                 case NotificationAcknowledgement:
 102                         return "ACKNOWLEDGEMENT";
 103                 case NotificationProblem:
 104                         return "PROBLEM";
 105                 case NotificationRecovery:
 106                         return "RECOVERY";
 107                 default:
 108                         return "UNKNOWN_NOTIFICATION";
 109         }
 110 }
 111
 112 void Notification::BeginExecuteNotification(const Notification::Ptr& self, NotificationType type)
 113 {
 114
 115         vector<Dictionary::Ptr> macroDicts;
 116
 117         Dictionary::Ptr notificationMacros = boost::make_shared<Dictionary>();
 118         notificationMacros->Set("NOTIFICATIONTYPE", NotificationTypeToString(type));
 119         macroDicts.push_back(notificationMacros);
 120
 121         Service::Ptr service;
 122         set<User::Ptr> users;
 123
 124         {
 125                 ObjectLock olock(self);
 126                 macroDicts.push_back(self->GetMacros());
 127                 service = self->GetService();
 128                 users = self->GetUsers();
 129         }
 130
 131         Host::Ptr host;
 132         String service_name;
 133
 134         {
 135                 ObjectLock olock(service);
 136                 macroDicts.push_back(service->GetMacros());
 137                 service_name = service->GetName();
 138                 host = service->GetHost();
 139         }
 140
 141         macroDicts.push_back(Service::CalculateDynamicMacros(service));
 142
 143         {
 144                 ObjectLock olock(host);
 145                 macroDicts.push_back(host->GetMacros());
 146                 macroDicts.push_back(Host::CalculateDynamicMacros(host));
 147         }
 148
 149         IcingaApplication::Ptr app = IcingaApplication::GetInstance();
 150
 151         {
 152                 ObjectLock olock(app);
 153                 macroDicts.push_back(app->GetMacros());
 154         }
 155
 156         macroDicts.push_back(IcingaApplication::CalculateDynamicMacros(app));
 157
 158         Dictionary::Ptr macros = MacroProcessor::MergeMacroDicts(macroDicts);
 159
 160         int count = 0;
 161
 162         BOOST_FOREACH(const User::Ptr& user, users) {
 163                 BeginExecuteNotificationHelper(self, macros, type, user);
 164                 count++;
 165         }
 166
 167         if (count == 0) {
 168                 /* Send a notification even if there are no users specified. */
 169                 BeginExecuteNotificationHelper(self, macros, type, User::Ptr());
 170         }
 171 }
 172
 173 void Notification::BeginExecuteNotificationHelper(const Notification::Ptr& self, const Dictionary::Ptr& notificationMacros, NotificationType type, const User::Ptr& user)
 174 {
 175         vector<Dictionary::Ptr> macroDicts;
 176
 177         if (user) {
 178                 {
 179                         ObjectLock olock(self);
 180                         macroDicts.push_back(user->GetMacros());
 181                 }
 182
 183                 macroDicts.push_back(User::CalculateDynamicMacros(user));
 184         }
 185
 186         macroDicts.push_back(notificationMacros);
 187
 188         Dictionary::Ptr macros = MacroProcessor::MergeMacroDicts(macroDicts);
 189
 190         ScriptTask::Ptr task;
 191
 192         {
 193                 ObjectLock olock(self);
 194
 195                 vector<Value> arguments;
 196                 arguments.push_back(self);
 197                 arguments.push_back(macros);
 198                 arguments.push_back(type);
 199                 task = self->MakeMethodTask("notify", arguments);
 200
 201                 if (!task) {
 202                         Logger::Write(LogWarning, "icinga", "Notification object '" + self->GetName() + "' doesn't have a 'notify' method.");
 203
 204                         return;
 205                 }
 206
 207                 /* We need to keep the task object alive until the completion handler is called. */
 208                 self->m_Tasks.insert(task);
 209         }
 210
 211         task->Start(boost::bind(&Notification::NotificationCompletedHandler, self, _1));
 212 }
 213
 214 void Notification::NotificationCompletedHandler(const ScriptTask::Ptr& task)
 215 {
 216         m_Tasks.erase(task);
 217
 218         try {
 219                 {
 220                         ObjectLock tlock(task);
 221                         (void) task->GetResult();
 222                 }
 223
 224                 Logger::Write(LogInformation, "icinga", "Completed sending notification for service '" + GetService()->GetName() + "'");
 225         } catch (const exception& ex) {
 226                 stringstream msgbuf;
 227                 msgbuf << "Exception occured during notification for service '"
 228                        << GetService()->GetName() << "': " << diagnostic_information(ex);
 229                 String message = msgbuf.str();
 230
 231                 Logger::Write(LogWarning, "icinga", message);
 232         }
 233 }
 234
 235 void Notification::OnAttributeChanged(const String& name, const Value& oldValue)
 236 {
 237         if (name == "host_name" || name == "service")
 238                 Service::InvalidateNotificationsCache();
 239 }