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("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         if (!configObject)
  47                 BOOST_THROW_EXCEPTION(invalid_argument("Notification '" + name + "' does not exist."));
  48
  49         return dynamic_pointer_cast<Notification>(configObject);
  50 }
  51
  52 Service::Ptr Notification::GetService(void) const
  53 {
  54         Host::Ptr host = Host::GetByName(m_HostName);
  55
  56         if (!host)
  57                 return Service::Ptr();
  58
  59         if (m_Service.IsEmpty())
  60                 return Host::GetHostCheckService(host);
  61         else
  62                 return Host::GetServiceByShortName(host, m_Service);
  63 }
  64
  65 Value Notification::GetNotificationCommand(void) const
  66 {
  67         return m_NotificationCommand;
  68 }
  69
  70 Dictionary::Ptr Notification::GetMacros(void) const
  71 {
  72         return m_Macros;
  73 }
  74
  75 set<User::Ptr> Notification::GetUsers(void) const
  76 {
  77         set<User::Ptr> result;
  78
  79         Dictionary::Ptr users = m_Users;
  80
  81         if (users) {
  82                 String name;
  83                 BOOST_FOREACH(tie(tuples::ignore, name), users) {
  84                         User::Ptr user = User::GetByName(name);
  85
  86                         if (!user)
  87                                 continue;
  88
  89                         result.insert(user);
  90                 }
  91         }
  92
  93         return result;
  94 }
  95
  96 set<UserGroup::Ptr> Notification::GetGroups(void) const
  97 {
  98         set<UserGroup::Ptr> result;
  99
 100         Dictionary::Ptr groups = m_Groups;
 101
 102         if (groups) {
 103                 String name;
 104                 BOOST_FOREACH(tie(tuples::ignore, name), groups) {
 105                         UserGroup::Ptr ug = UserGroup::GetByName(name);
 106
 107                         if (!ug)
 108                                 continue;
 109
 110                         result.insert(ug);
 111                 }
 112         }
 113
 114         return result;
 115 }
 116
 117 String Notification::NotificationTypeToString(NotificationType type)
 118 {
 119         switch (type) {
 120                 case NotificationDowntimeStart:
 121                         return "DOWNTIMESTART";
 122                 case NotificationDowntimeEnd:
 123                         return "DOWNTIMEEND";
 124                 case NotificationDowntimeRemoved:
 125                         return "DOWNTIMECANCELLED";
 126                 case NotificationCustom:
 127                         return "CUSTOM";
 128                 case NotificationAcknowledgement:
 129                         return "ACKNOWLEDGEMENT";
 130                 case NotificationProblem:
 131                         return "PROBLEM";
 132                 case NotificationRecovery:
 133                         return "RECOVERY";
 134                 default:
 135                         return "UNKNOWN_NOTIFICATION";
 136         }
 137 }
 138
 139 void Notification::BeginExecuteNotification(const Notification::Ptr& self, NotificationType type)
 140 {
 141
 142         vector<Dictionary::Ptr> macroDicts;
 143
 144         Dictionary::Ptr notificationMacros = boost::make_shared<Dictionary>();
 145         notificationMacros->Set("NOTIFICATIONTYPE", NotificationTypeToString(type));
 146         macroDicts.push_back(notificationMacros);
 147
 148         Service::Ptr service;
 149         set<User::Ptr> users;
 150         set<UserGroup::Ptr> groups;
 151
 152         {
 153                 ObjectLock olock(self);
 154                 macroDicts.push_back(self->GetMacros());
 155                 service = self->GetService();
 156                 users = self->GetUsers();
 157                 groups = self->GetGroups();
 158         }
 159
 160         Host::Ptr host;
 161         String service_name;
 162
 163         {
 164                 ObjectLock olock(service);
 165                 macroDicts.push_back(service->GetMacros());
 166                 service_name = service->GetName();
 167                 host = service->GetHost();
 168         }
 169
 170         macroDicts.push_back(Service::CalculateDynamicMacros(service));
 171
 172         {
 173                 ObjectLock olock(host);
 174                 macroDicts.push_back(host->GetMacros());
 175                 macroDicts.push_back(Host::CalculateDynamicMacros(host));
 176         }
 177
 178         IcingaApplication::Ptr app = IcingaApplication::GetInstance();
 179
 180         {
 181                 ObjectLock olock(app);
 182                 macroDicts.push_back(app->GetMacros());
 183         }
 184
 185         macroDicts.push_back(IcingaApplication::CalculateDynamicMacros(app));
 186
 187         Dictionary::Ptr macros = MacroProcessor::MergeMacroDicts(macroDicts);
 188
 189         set<User::Ptr> allUsers;
 190
 191         std::copy(users.begin(), users.end(), std::inserter(allUsers, allUsers.begin()));
 192
 193         BOOST_FOREACH(const UserGroup::Ptr& ug, groups) {
 194                 set<User::Ptr> members = UserGroup::GetMembers(ug);
 195                 std::copy(members.begin(), members.end(), std::inserter(allUsers, allUsers.begin()));
 196         }
 197
 198         BOOST_FOREACH(const User::Ptr& user, allUsers) {
 199                 String user_name;
 200
 201                 {
 202                         ObjectLock olock(user);
 203                         user_name = user->GetName();
 204                 }
 205
 206                 Logger::Write(LogDebug, "icinga", "Sending notification for user " + user_name);
 207                 BeginExecuteNotificationHelper(self, macros, type, user);
 208         }
 209
 210         if (allUsers.size() == 0) {
 211                 /* Send a notification even if there are no users specified. */
 212                 BeginExecuteNotificationHelper(self, macros, type, User::Ptr());
 213         }
 214 }
 215
 216 void Notification::BeginExecuteNotificationHelper(const Notification::Ptr& self, const Dictionary::Ptr& notificationMacros, NotificationType type, const User::Ptr& user)
 217 {
 218         vector<Dictionary::Ptr> macroDicts;
 219
 220         if (user) {
 221                 {
 222                         ObjectLock olock(user);
 223                         macroDicts.push_back(user->GetMacros());
 224                 }
 225
 226                 macroDicts.push_back(User::CalculateDynamicMacros(user));
 227         }
 228
 229         macroDicts.push_back(notificationMacros);
 230
 231         Dictionary::Ptr macros = MacroProcessor::MergeMacroDicts(macroDicts);
 232
 233         ScriptTask::Ptr task;
 234
 235         {
 236                 ObjectLock olock(self);
 237
 238                 vector<Value> arguments;
 239                 arguments.push_back(self);
 240                 arguments.push_back(macros);
 241                 arguments.push_back(type);
 242                 task = self->MakeMethodTask("notify", arguments);
 243
 244                 if (!task) {
 245                         Logger::Write(LogWarning, "icinga", "Notification object '" + self->GetName() + "' doesn't have a 'notify' method.");
 246
 247                         return;
 248                 }
 249
 250                 /* We need to keep the task object alive until the completion handler is called. */
 251                 self->m_Tasks.insert(task);
 252         }
 253
 254         task->Start(boost::bind(&Notification::NotificationCompletedHandler, self, _1));
 255 }
 256
 257 void Notification::NotificationCompletedHandler(const ScriptTask::Ptr& task)
 258 {
 259         m_Tasks.erase(task);
 260
 261         try {
 262                 {
 263                         ObjectLock tlock(task);
 264                         (void) task->GetResult();
 265                 }
 266
 267                 Logger::Write(LogInformation, "icinga", "Completed sending notification for service '" + GetService()->GetName() + "'");
 268         } catch (const exception& ex) {
 269                 stringstream msgbuf;
 270                 msgbuf << "Exception occured during notification for service '"
 271                        << GetService()->GetName() << "': " << diagnostic_information(ex);
 272                 String message = msgbuf.str();
 273
 274                 Logger::Write(LogWarning, "icinga", message);
 275         }
 276 }
 277
 278 void Notification::OnAttributeChanged(const String& name, const Value& oldValue)
 279 {
 280         if (name == "host_name" || name == "service")
 281                 Service::InvalidateNotificationsCache();
 282 }