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);
  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("groups", Attribute_Config, &m_Groups);
  33         RegisterAttribute("host_name", Attribute_Config, &m_HostName);
  34         RegisterAttribute("service", Attribute_Config, &m_Service);
  35 }
  36
  37 Notification::~Notification(void)
  38 {
  39         Service::InvalidateNotificationsCache();
  40 }
  41
  42 Notification::Ptr Notification::GetByName(const String& name)
  43 {
  44         DynamicObject::Ptr configObject = DynamicObject::GetObject("Notification", name);
  45
  46         return dynamic_pointer_cast<Notification>(configObject);
  47 }
  48
  49 Service::Ptr Notification::GetService(void) const
  50 {
  51         Host::Ptr host = Host::GetByName(m_HostName);
  52
  53         if (!host)
  54                 return Service::Ptr();
  55
  56         if (m_Service.IsEmpty())
  57                 return Host::GetHostCheckService(host);
  58         else
  59                 return Host::GetServiceByShortName(host, m_Service);
  60 }
  61
  62 Value Notification::GetNotificationCommand(void) const
  63 {
  64         return m_NotificationCommand;
  65 }
  66
  67 Dictionary::Ptr Notification::GetMacros(void) const
  68 {
  69         return m_Macros;
  70 }
  71
  72 set<User::Ptr> Notification::GetUsers(void) const
  73 {
  74         set<User::Ptr> result;
  75
  76         Dictionary::Ptr users = m_Users;
  77
  78         if (users) {
  79                 ObjectLock olock(users);
  80
  81                 String name;
  82                 BOOST_FOREACH(tie(tuples::ignore, name), users) {
  83                         User::Ptr user = User::GetByName(name);
  84
  85                         if (!user)
  86                                 continue;
  87
  88                         result.insert(user);
  89                 }
  90         }
  91
  92         return result;
  93 }
  94
  95 set<UserGroup::Ptr> Notification::GetGroups(void) const
  96 {
  97         set<UserGroup::Ptr> result;
  98
  99         Dictionary::Ptr groups = m_Groups;
 100
 101         if (groups) {
 102                 ObjectLock olock(groups);
 103
 104                 String name;
 105                 BOOST_FOREACH(tie(tuples::ignore, name), groups) {
 106                         UserGroup::Ptr ug = UserGroup::GetByName(name);
 107
 108                         if (!ug)
 109                                 continue;
 110
 111                         result.insert(ug);
 112                 }
 113         }
 114
 115         return result;
 116 }
 117
 118 String Notification::NotificationTypeToString(NotificationType type)
 119 {
 120         switch (type) {
 121                 case NotificationDowntimeStart:
 122                         return "DOWNTIMESTART";
 123                 case NotificationDowntimeEnd:
 124                         return "DOWNTIMEEND";
 125                 case NotificationDowntimeRemoved:
 126                         return "DOWNTIMECANCELLED";
 127                 case NotificationCustom:
 128                         return "CUSTOM";
 129                 case NotificationAcknowledgement:
 130                         return "ACKNOWLEDGEMENT";
 131                 case NotificationProblem:
 132                         return "PROBLEM";
 133                 case NotificationRecovery:
 134                         return "RECOVERY";
 135                 default:
 136                         return "UNKNOWN_NOTIFICATION";
 137         }
 138 }
 139
 140 void Notification::BeginExecuteNotification(const Notification::Ptr& self, NotificationType type)
 141 {
 142
 143         vector<Dictionary::Ptr> macroDicts;
 144
 145         Dictionary::Ptr notificationMacros = boost::make_shared<Dictionary>();
 146         notificationMacros->Set("NOTIFICATIONTYPE", NotificationTypeToString(type));
 147         macroDicts.push_back(notificationMacros);
 148
 149         Service::Ptr service;
 150         set<User::Ptr> users;
 151         set<UserGroup::Ptr> groups;
 152
 153         {
 154                 ObjectLock olock(self);
 155                 macroDicts.push_back(self->GetMacros());
 156                 service = self->GetService();
 157                 users = self->GetUsers();
 158                 groups = self->GetGroups();
 159         }
 160
 161         Host::Ptr host;
 162         String service_name;
 163
 164         {
 165                 ObjectLock olock(service);
 166                 macroDicts.push_back(service->GetMacros());
 167                 service_name = service->GetName();
 168                 host = service->GetHost();
 169         }
 170
 171         macroDicts.push_back(Service::CalculateDynamicMacros(service));
 172
 173         {
 174                 ObjectLock olock(host);
 175                 macroDicts.push_back(host->GetMacros());
 176                 macroDicts.push_back(Host::CalculateDynamicMacros(host));
 177         }
 178
 179         IcingaApplication::Ptr app = IcingaApplication::GetInstance();
 180
 181         {
 182                 ObjectLock olock(app);
 183                 macroDicts.push_back(app->GetMacros());
 184         }
 185
 186         macroDicts.push_back(IcingaApplication::CalculateDynamicMacros(app));
 187
 188         Dictionary::Ptr macros = MacroProcessor::MergeMacroDicts(macroDicts);
 189
 190         set<User::Ptr> allUsers;
 191
 192         std::copy(users.begin(), users.end(), std::inserter(allUsers, allUsers.begin()));
 193
 194         BOOST_FOREACH(const UserGroup::Ptr& ug, groups) {
 195                 set<User::Ptr> members = UserGroup::GetMembers(ug);
 196                 std::copy(members.begin(), members.end(), std::inserter(allUsers, allUsers.begin()));
 197         }
 198
 199         BOOST_FOREACH(const User::Ptr& user, allUsers) {
 200                 String user_name;
 201
 202                 {
 203                         ObjectLock olock(user);
 204                         user_name = user->GetName();
 205                 }
 206
 207                 Logger::Write(LogDebug, "icinga", "Sending notification for user " + user_name);
 208                 BeginExecuteNotificationHelper(self, macros, type, user);
 209         }
 210
 211         if (allUsers.size() == 0) {
 212                 /* Send a notification even if there are no users specified. */
 213                 BeginExecuteNotificationHelper(self, macros, type, User::Ptr());
 214         }
 215 }
 216
 217 void Notification::BeginExecuteNotificationHelper(const Notification::Ptr& self, const Dictionary::Ptr& notificationMacros, NotificationType type, const User::Ptr& user)
 218 {
 219         vector<Dictionary::Ptr> macroDicts;
 220
 221         if (user) {
 222                 {
 223                         ObjectLock olock(user);
 224                         macroDicts.push_back(user->GetMacros());
 225                 }
 226
 227                 macroDicts.push_back(User::CalculateDynamicMacros(user));
 228         }
 229
 230         macroDicts.push_back(notificationMacros);
 231
 232         Dictionary::Ptr macros = MacroProcessor::MergeMacroDicts(macroDicts);
 233
 234         ScriptTask::Ptr task;
 235
 236         {
 237                 ObjectLock olock(self);
 238
 239                 vector<Value> arguments;
 240                 arguments.push_back(self);
 241                 arguments.push_back(macros);
 242                 arguments.push_back(type);
 243                 task = self->MakeMethodTask("notify", arguments);
 244
 245                 if (!task) {
 246                         Logger::Write(LogWarning, "icinga", "Notification object '" + self->GetName() + "' doesn't have a 'notify' method.");
 247
 248                         return;
 249                 }
 250
 251                 /* We need to keep the task object alive until the completion handler is called. */
 252                 self->m_Tasks.insert(task);
 253         }
 254
 255         task->Start(boost::bind(&Notification::NotificationCompletedHandler, self, _1));
 256 }
 257
 258 void Notification::NotificationCompletedHandler(const ScriptTask::Ptr& task)
 259 {
 260         m_Tasks.erase(task);
 261
 262         try {
 263                 task->GetResult();
 264
 265                 Logger::Write(LogInformation, "icinga", "Completed sending notification for service '" + GetService()->GetName() + "'");
 266         } catch (const exception& ex) {
 267                 stringstream msgbuf;
 268                 msgbuf << "Exception occured during notification for service '"
 269                        << GetService()->GetName() << "': " << diagnostic_information(ex);
 270                 String message = msgbuf.str();
 271
 272                 Logger::Write(LogWarning, "icinga", message);
 273         }
 274 }
 275
 276 void Notification::OnAttributeChanged(const String& name, const Value& oldValue)
 277 {
 278         if (name == "host_name" || name == "service")
 279                 Service::InvalidateNotificationsCache();
 280 }