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         Service::InvalidateNotificationsCache();
  36 }
  37
  38 Notification::~Notification(void)
  39 {
  40         Service::InvalidateNotificationsCache();
  41 }
  42
  43 bool Notification::Exists(const String& name)
  44 {
  45         return (DynamicObject::GetObject("Notification", name));
  46 }
  47
  48 Notification::Ptr Notification::GetByName(const String& name)
  49 {
  50         DynamicObject::Ptr configObject = DynamicObject::GetObject("Notification", name);
  51
  52         if (!configObject)
  53                 BOOST_THROW_EXCEPTION(invalid_argument("Notification '" + name + "' does not exist."));
  54
  55         return dynamic_pointer_cast<Notification>(configObject);
  56 }
  57
  58 Service::Ptr Notification::GetService(void) const
  59 {
  60         Host::Ptr host = Host::GetByName(m_HostName);
  61
  62         if (m_Service.IsEmpty())
  63                 return host->GetHostCheckService();
  64         else
  65                 return host->GetServiceByShortName(m_Service);
  66 }
  67
  68 Value Notification::GetNotificationCommand(void) const
  69 {
  70         return m_NotificationCommand;
  71 }
  72
  73 Dictionary::Ptr Notification::GetMacros(void) const
  74 {
  75         return m_Macros;
  76 }
  77
  78 set<User::Ptr> Notification::GetUsers(void) const
  79 {
  80         set<User::Ptr> result;
  81
  82         Dictionary::Ptr users = m_Users;
  83
  84         if (users) {
  85                 String name;
  86                 BOOST_FOREACH(tie(tuples::ignore, name), users) {
  87                         result.insert(User::GetByName(name));
  88                 }
  89         }
  90
  91         return result;
  92 }
  93
  94 String Notification::NotificationTypeToString(NotificationType type)
  95 {
  96         switch (type) {
  97                 case NotificationDowntimeStart:
  98                         return "DOWNTIMESTART";
  99                 case NotificationDowntimeEnd:
 100                         return "DOWNTIMEEND";
 101                 case NotificationDowntimeRemoved:
 102                         return "DOWNTIMECANCELLED";
 103                 case NotificationCustom:
 104                         return "CUSTOM";
 105                 case NotificationAcknowledgement:
 106                         return "ACKNOWLEDGEMENT";
 107                 case NotificationProblem:
 108                         return "PROBLEM";
 109                 case NotificationRecovery:
 110                         return "RECOVERY";
 111                 default:
 112                         return "UNKNOWN_NOTIFICATION";
 113         }
 114 }
 115
 116 void Notification::BeginExecuteNotification(const Notification::Ptr& self, NotificationType type)
 117 {
 118
 119         vector<Dictionary::Ptr> macroDicts;
 120
 121         Dictionary::Ptr notificationMacros = boost::make_shared<Dictionary>();
 122         notificationMacros->Set("NOTIFICATIONTYPE", NotificationTypeToString(type));
 123         macroDicts.push_back(notificationMacros);
 124
 125         Service::Ptr service;
 126         set<User::Ptr> users;
 127
 128         {
 129                 ObjectLock olock(self);
 130                 macroDicts.push_back(self->GetMacros());
 131                 service = self->GetService();
 132                 users = self->GetUsers();
 133         }
 134
 135         Host::Ptr host;
 136         String service_name;
 137
 138         {
 139                 ObjectLock olock(service);
 140                 macroDicts.push_back(service->GetMacros());
 141                 service_name = service->GetName();
 142                 host = service->GetHost();
 143         }
 144
 145         macroDicts.push_back(Service::CalculateDynamicMacros(service));
 146
 147         {
 148                 ObjectLock olock(host);
 149                 macroDicts.push_back(host->GetMacros());
 150                 macroDicts.push_back(Host::CalculateDynamicMacros(host));
 151         }
 152
 153         IcingaApplication::Ptr app = IcingaApplication::GetInstance();
 154
 155         {
 156                 ObjectLock olock(app);
 157                 macroDicts.push_back(app->GetMacros());
 158         }
 159
 160         macroDicts.push_back(IcingaApplication::CalculateDynamicMacros(app));
 161
 162         Dictionary::Ptr macros = MacroProcessor::MergeMacroDicts(macroDicts);
 163
 164         int count = 0;
 165
 166         BOOST_FOREACH(const User::Ptr& user, users) {
 167                 BeginExecuteNotificationHelper(self, macros, type, user);
 168                 count++;
 169         }
 170
 171         if (count == 0) {
 172                 /* Send a notification even if there are no users specified. */
 173                 BeginExecuteNotificationHelper(self, macros, type, User::Ptr());
 174         }
 175 }
 176
 177 void Notification::BeginExecuteNotificationHelper(const Notification::Ptr& self, const Dictionary::Ptr& notificationMacros, NotificationType type, const User::Ptr& user)
 178 {
 179         vector<Dictionary::Ptr> macroDicts;
 180
 181         if (user) {
 182                 {
 183                         ObjectLock olock(self);
 184                         macroDicts.push_back(user->GetMacros());
 185                 }
 186
 187                 macroDicts.push_back(User::CalculateDynamicMacros(user));
 188         }
 189
 190         macroDicts.push_back(notificationMacros);
 191
 192         Dictionary::Ptr macros = MacroProcessor::MergeMacroDicts(macroDicts);
 193
 194         ScriptTask::Ptr task;
 195
 196         {
 197                 ObjectLock olock(self);
 198
 199                 vector<Value> arguments;
 200                 arguments.push_back(self);
 201                 arguments.push_back(macros);
 202                 arguments.push_back(type);
 203                 task = self->MakeMethodTask("notify", arguments);
 204
 205                 if (!task) {
 206                         Logger::Write(LogWarning, "icinga", "Notification object '" + self->GetName() + "' doesn't have a 'notify' method.");
 207
 208                         return;
 209                 }
 210
 211                 /* We need to keep the task object alive until the completion handler is called. */
 212                 self->m_Tasks.insert(task);
 213         }
 214
 215         task->Start(boost::bind(&Notification::NotificationCompletedHandler, self, _1));
 216 }
 217
 218 void Notification::NotificationCompletedHandler(const ScriptTask::Ptr& task)
 219 {
 220         m_Tasks.erase(task);
 221
 222         try {
 223                 {
 224                         ObjectLock tlock(task);
 225                         (void) task->GetResult();
 226                 }
 227
 228                 Logger::Write(LogInformation, "icinga", "Completed sending notification for service '" + GetService()->GetName() + "'");
 229         } catch (const exception& ex) {
 230                 stringstream msgbuf;
 231                 msgbuf << "Exception occured during notification for service '"
 232                        << GetService()->GetName() << "': " << diagnostic_information(ex);
 233                 String message = msgbuf.str();
 234
 235                 Logger::Write(LogWarning, "icinga", message);
 236         }
 237 }
 238
 239 void Notification::OnAttributeChanged(const String& name, const Value& oldValue)
 240 {
 241         if (name == "host_name" || name == "service")
 242                 Service::InvalidateNotificationsCache();
 243 }