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         Service::InvalidateNotificationsCache();
  30 }
  31
  32 Notification::~Notification(void)
  33 {
  34         Service::InvalidateNotificationsCache();
  35 }
  36
  37 bool Notification::Exists(const String& name)
  38 {
  39         return (DynamicObject::GetObject("Notification", name));
  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(Get("host_name"));
  55         String service = Get("service");
  56
  57         if (service.IsEmpty())
  58                 return host->GetHostCheckService();
  59         else
  60                 return host->GetServiceByShortName(service);
  61 }
  62
  63 Value Notification::GetNotificationCommand(void) const
  64 {
  65         return Get("notification_command");
  66 }
  67
  68 Dictionary::Ptr Notification::GetMacros(void) const
  69 {
  70         return Get("macros");
  71 }
  72
  73 String Notification::NotificationTypeToString(NotificationType type)
  74 {
  75         switch (type) {
  76                 case NotificationDowntimeStart:
  77                         return "DOWNTIMESTART";
  78                 case NotificationDowntimeEnd:
  79                         return "DOWNTIMEEND";
  80                 case NotificationDowntimeRemoved:
  81                         return "DOWNTIMECANCELLED";
  82                 case NotificationCustom:
  83                         return "DOWNTIMECUSTOM";
  84                 case NotificationProblem:
  85                         return "PROBLEM";
  86                 case NotificationRecovery:
  87                         return "RECOVERY";
  88                 default:
  89                         return "UNKNOWN_NOTIFICATION";
  90         }
  91 }
  92
  93 void Notification::BeginExecuteNotification(const Notification::Ptr& self, NotificationType type)
  94 {
  95
  96         vector<Dictionary::Ptr> macroDicts;
  97
  98         Dictionary::Ptr notificationMacros = boost::make_shared<Dictionary>();
  99         notificationMacros->Set("NOTIFICATIONTYPE", NotificationTypeToString(type));
 100         macroDicts.push_back(notificationMacros);
 101
 102         Service::Ptr service;
 103
 104         {
 105                 ObjectLock olock(self);
 106                 macroDicts.push_back(self->GetMacros());
 107                 service = self->GetService();
 108         }
 109
 110         Host::Ptr host;
 111         String service_name;
 112
 113         {
 114                 ObjectLock olock(service);
 115                 macroDicts.push_back(service->GetMacros());
 116                 service_name = service->GetName();
 117                 host = service->GetHost();
 118         }
 119
 120         macroDicts.push_back(Service::CalculateDynamicMacros(service));
 121
 122         {
 123                 ObjectLock olock(host);
 124                 macroDicts.push_back(host->GetMacros());
 125                 macroDicts.push_back(Host::CalculateDynamicMacros(host));
 126         }
 127
 128         IcingaApplication::Ptr app = IcingaApplication::GetInstance();
 129
 130         {
 131                 ObjectLock olock(app);
 132                 macroDicts.push_back(app->GetMacros());
 133         }
 134
 135         macroDicts.push_back(IcingaApplication::CalculateDynamicMacros(app));
 136
 137         Dictionary::Ptr macros = MacroProcessor::MergeMacroDicts(macroDicts);
 138
 139         vector<Value> arguments;
 140         arguments.push_back(self);
 141         arguments.push_back(macros);
 142         arguments.push_back(type);
 143
 144         ScriptTask::Ptr task;
 145
 146         {
 147                 ObjectLock olock(self);
 148                 task = self->MakeMethodTask("notify", arguments);
 149
 150                 if (!task) {
 151                         Logger::Write(LogWarning, "icinga", "Notification object '" + self->GetName() + "' doesn't have a 'notify' method.");
 152
 153                         return;
 154                 }
 155
 156                 /* We need to keep the task object alive until the completion handler is called. */
 157                 self->m_Tasks.insert(task);
 158         }
 159
 160         task->Start(boost::bind(&Notification::NotificationCompletedHandler, self, _1));
 161 }
 162
 163 void Notification::NotificationCompletedHandler(const ScriptTask::Ptr& task)
 164 {
 165         m_Tasks.erase(task);
 166
 167         try {
 168                 {
 169                         ObjectLock tlock(task);
 170                         (void) task->GetResult();
 171                 }
 172
 173                 Logger::Write(LogInformation, "icinga", "Completed sending notification for service '" + GetService()->GetName() + "'");
 174         } catch (const exception& ex) {
 175                 stringstream msgbuf;
 176                 msgbuf << "Exception occured during notification for service '"
 177                        << GetService()->GetName() << "': " << diagnostic_information(ex);
 178                 String message = msgbuf.str();
 179
 180                 Logger::Write(LogWarning, "icinga", message);
 181         }
 182 }
 183
 184 void Notification::OnAttributeChanged(const String& name, const Value& oldValue)
 185 {
 186         if (name == "host_name" || name == "service")
 187                 Service::InvalidateNotificationsCache();
 188 }