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

   1 /******************************************************************************
   2  * Icinga 2                                                                   *
   3  * Copyright (C) 2012-2013 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 "icinga/notification.h"
  21 #include "icinga/notificationcommand.h"
  22 #include "icinga/macroprocessor.h"
  23 #include "icinga/service.h"
  24 #include "base/dynamictype.h"
  25 #include "base/objectlock.h"
  26 #include "base/logger_fwd.h"
  27 #include "base/utility.h"
  28 #include "base/convert.h"
  29 #include <boost/tuple/tuple.hpp>
  30 #include <boost/foreach.hpp>
  31 #include <boost/exception/diagnostic_information.hpp>
  32
  33 using namespace icinga;
  34
  35 REGISTER_TYPE(Notification);
  36
  37 boost::signals2::signal<void (const Notification::Ptr&, double, const String&)> Notification::OnNextNotificationChanged;
  38
  39 void Notification::Start(void)
  40 {
  41         DynamicObject::Start();
  42
  43         GetService()->AddNotification(GetSelf());
  44 }
  45
  46 void Notification::Stop(void)
  47 {
  48         DynamicObject::Stop();
  49
  50         GetService()->RemoveNotification(GetSelf());
  51 }
  52
  53 Service::Ptr Notification::GetService(void) const
  54 {
  55         Host::Ptr host = Host::GetByName(GetHostRaw());
  56
  57         if (!host)
  58                 return Service::Ptr();
  59
  60         if (GetServiceRaw().IsEmpty())
  61                 return host->GetCheckService();
  62         else
  63                 return host->GetServiceByShortName(GetServiceRaw());
  64 }
  65
  66 NotificationCommand::Ptr Notification::GetNotificationCommand(void) const
  67 {
  68         return NotificationCommand::GetByName(GetNotificationCommandRaw());
  69 }
  70
  71 std::set<User::Ptr> Notification::GetUsers(void) const
  72 {
  73         std::set<User::Ptr> result;
  74
  75         Array::Ptr users = GetUsersRaw();
  76
  77         if (users) {
  78                 ObjectLock olock(users);
  79
  80                 BOOST_FOREACH(const String& name, users) {
  81                         User::Ptr user = User::GetByName(name);
  82
  83                         if (!user)
  84                                 continue;
  85
  86                         result.insert(user);
  87                 }
  88         }
  89
  90         return result;
  91 }
  92
  93 std::set<UserGroup::Ptr> Notification::GetUserGroups(void) const
  94 {
  95         std::set<UserGroup::Ptr> result;
  96
  97         Array::Ptr groups = GetUserGroupsRaw();
  98
  99         if (groups) {
 100                 ObjectLock olock(groups);
 101
 102                 BOOST_FOREACH(const String& name, groups) {
 103                         UserGroup::Ptr ug = UserGroup::GetByName(name);
 104
 105                         if (!ug)
 106                                 continue;
 107
 108                         result.insert(ug);
 109                 }
 110         }
 111
 112         return result;
 113 }
 114
 115 TimePeriod::Ptr Notification::GetNotificationPeriod(void) const
 116 {
 117         return TimePeriod::GetByName(GetNotificationPeriodRaw());
 118 }
 119
 120 double Notification::GetNextNotification(void) const
 121 {
 122         return GetNextNotificationRaw();
 123 }
 124
 125 /**
 126  * Sets the timestamp when the next periodical notification should be sent.
 127  * This does not affect notifications that are sent for state changes.
 128  */
 129 void Notification::SetNextNotification(double time, const String& authority)
 130 {
 131         SetNextNotificationRaw(time);
 132
 133         OnNextNotificationChanged(GetSelf(), time, authority);
 134 }
 135
 136 void Notification::UpdateNotificationNumber(void)
 137 {
 138         SetNotificationNumber(GetNotificationNumber() + 1);
 139 }
 140
 141 void Notification::ResetNotificationNumber(void)
 142 {
 143         SetNotificationNumber(0);
 144 }
 145
 146 String Notification::NotificationTypeToString(NotificationType type)
 147 {
 148         switch (type) {
 149                 case NotificationDowntimeStart:
 150                         return "DOWNTIMESTART";
 151                 case NotificationDowntimeEnd:
 152                         return "DOWNTIMEEND";
 153                 case NotificationDowntimeRemoved:
 154                         return "DOWNTIMECANCELLED";
 155                 case NotificationCustom:
 156                         return "CUSTOM";
 157                 case NotificationAcknowledgement:
 158                         return "ACKNOWLEDGEMENT";
 159                 case NotificationProblem:
 160                         return "PROBLEM";
 161                 case NotificationRecovery:
 162                         return "RECOVERY";
 163                 case NotificationFlappingStart:
 164                         return "FLAPPINGSTART";
 165                 case NotificationFlappingEnd:
 166                         return "FLAPPINGEND";
 167                 default:
 168                         return "UNKNOWN_NOTIFICATION";
 169         }
 170 }
 171
 172 void Notification::BeginExecuteNotification(NotificationType type, const CheckResult::Ptr& cr, bool force, const String& author, const String& text)
 173 {
 174         ASSERT(!OwnsLock());
 175
 176         if (!force) {
 177                 TimePeriod::Ptr tp = GetNotificationPeriod();
 178
 179                 if (tp && !tp->IsInside(Utility::GetTime())) {
 180                         Log(LogInformation, "icinga", "Not sending notifications for notification object '" + GetName() + "': not in timeperiod");
 181                         return;
 182                 }
 183
 184                 double now = Utility::GetTime();
 185                 Dictionary::Ptr times = GetTimes();
 186                 Service::Ptr service = GetService();
 187
 188                 if (type == NotificationProblem) {
 189                         if (times && times->Contains("begin") && now < service->GetLastHardStateChange() + times->Get("begin")) {
 190                                 Log(LogInformation, "icinga", "Not sending notifications for notification object '" + GetName() + "': before escalation range");
 191                                 return;
 192                         }
 193
 194                         if (times && times->Contains("end") && now > service->GetLastHardStateChange() + times->Get("end")) {
 195                                 Log(LogInformation, "icinga", "Not sending notifications for notification object '" + GetName() + "': after escalation range");
 196                                 return;
 197                         }
 198                 }
 199
 200                 unsigned long ftype = 1 << type;
 201
 202                 Log(LogDebug, "icinga", "FType=" + Convert::ToString(ftype) + ", TypeFilter=" + Convert::ToString(GetNotificationTypeFilter()));
 203
 204                 if (!(ftype & GetNotificationTypeFilter())) {
 205                         Log(LogInformation, "icinga", "Not sending notifications for notification object '" + GetName() + "': type filter does not match");
 206                         return;
 207                 }
 208
 209                 unsigned long fstate = 1 << GetService()->GetState();
 210
 211                 if (!(fstate & GetNotificationStateFilter())) {
 212                         Log(LogInformation, "icinga", "Not sending notifications for notification object '" + GetName() + "': state filter does not match");
 213                         return;
 214                 }
 215         }
 216
 217         {
 218                 ObjectLock olock(this);
 219
 220                 SetLastNotification(Utility::GetTime());
 221         }
 222
 223         std::set<User::Ptr> allUsers;
 224
 225         std::set<User::Ptr> users = GetUsers();
 226         std::copy(users.begin(), users.end(), std::inserter(allUsers, allUsers.begin()));
 227
 228         BOOST_FOREACH(const UserGroup::Ptr& ug, GetUserGroups()) {
 229                 std::set<User::Ptr> members = ug->GetMembers();
 230                 std::copy(members.begin(), members.end(), std::inserter(allUsers, allUsers.begin()));
 231         }
 232
 233         unsigned long notified_users = 0;
 234         BOOST_FOREACH(const User::Ptr& user, allUsers) {
 235                 Log(LogDebug, "icinga", "Sending notification for user '" + user->GetName() + "'");
 236                 Utility::QueueAsyncCallback(boost::bind(&Notification::ExecuteNotificationHelper, this, type, user, cr, force, author, text));
 237                 notified_users++;
 238         }
 239
 240         Service::OnNotificationSentToAllUsers(GetService(), allUsers, type, cr, author, text);
 241 }
 242
 243 void Notification::ExecuteNotificationHelper(NotificationType type, const User::Ptr& user, const CheckResult::Ptr& cr, bool force, const String& author, const String& text)
 244 {
 245         ASSERT(!OwnsLock());
 246
 247         if (!force) {
 248                 TimePeriod::Ptr tp = user->GetNotificationPeriod();
 249
 250                 if (tp && !tp->IsInside(Utility::GetTime())) {
 251                         Log(LogInformation, "icinga", "Not sending notifications for notification object '" +
 252                             GetName() + " and user '" + user->GetName() + "': user not in timeperiod");
 253                         return;
 254                 }
 255
 256                 unsigned long ftype = 1 << type;
 257
 258                 if (!(ftype & user->GetNotificationTypeFilter())) {
 259                         Log(LogInformation, "icinga", "Not sending notifications for notification object '" +
 260                             GetName() + " and user '" + user->GetName() + "': type filter does not match");
 261                         return;
 262                 }
 263
 264                 unsigned long fstate = 1 << GetService()->GetState();
 265
 266                 if (!(fstate & user->GetNotificationStateFilter())) {
 267                         Log(LogInformation, "icinga", "Not sending notifications for notification object '" +
 268                             GetName() + " and user '" + user->GetName() + "': state filter does not match");
 269                         return;
 270                 }
 271         }
 272
 273         try {
 274                 NotificationCommand::Ptr command = GetNotificationCommand();
 275
 276                 if (!command) {
 277                         Log(LogDebug, "icinga", "No notification_command found for notification '" + GetName() + "'. Skipping execution.");
 278                         return;
 279                 }
 280
 281                 command->Execute(GetSelf(), user, cr, type, author, text);
 282
 283                 {
 284                         ObjectLock olock(this);
 285                         UpdateNotificationNumber();
 286                         SetLastNotification(Utility::GetTime());
 287                 }
 288
 289                 Service::OnNotificationSentToUser(GetService(), user, type, cr, author, text, command->GetName());
 290
 291                 Log(LogInformation, "icinga", "Completed sending notification for service '" + GetService()->GetName() + "'");
 292         } catch (const std::exception& ex) {
 293                 std::ostringstream msgbuf;
 294                 msgbuf << "Exception occured during notification for service '"
 295                        << GetService()->GetName() << "': " << boost::diagnostic_information(ex);
 296                 Log(LogWarning, "icinga", msgbuf.str());
 297         }
 298 }
 299
 300 bool Notification::ResolveMacro(const String& macro, const CheckResult::Ptr&, String *result) const
 301 {
 302         Dictionary::Ptr macros = GetMacros();
 303
 304         if (macros && macros->Contains(macro)) {
 305                 *result = macros->Get(macro);
 306                 return true;
 307         }
 308
 309         return false;
 310 }