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

   1 /******************************************************************************
   2  * Icinga 2                                                                   *
   3  * Copyright (C) 2012-2018 Icinga Development Team (https://www.icinga.com/)  *
   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/checkable.hpp"
  21 #include "icinga/checkable.tcpp"
  22 #include "icinga/host.hpp"
  23 #include "icinga/service.hpp"
  24 #include "base/objectlock.hpp"
  25 #include "base/utility.hpp"
  26 #include "base/exception.hpp"
  27
  28 using namespace icinga;
  29
  30 REGISTER_TYPE_WITH_PROTOTYPE(Checkable, Checkable::GetPrototype());
  31 INITIALIZE_ONCE(&Checkable::StaticInitialize);
  32
  33 boost::signals2::signal<void (const Checkable::Ptr&, const String&, const String&, AcknowledgementType, bool, bool, double, const MessageOrigin::Ptr&)> Checkable::OnAcknowledgementSet;
  34 boost::signals2::signal<void (const Checkable::Ptr&, const MessageOrigin::Ptr&)> Checkable::OnAcknowledgementCleared;
  35
  36 void Checkable::StaticInitialize(void)
  37 {
  38         /* fixed downtime start */
  39         Downtime::OnDowntimeStarted.connect(std::bind(&Checkable::NotifyFixedDowntimeStart, _1));
  40         /* flexible downtime start */
  41         Downtime::OnDowntimeTriggered.connect(std::bind(&Checkable::NotifyFlexibleDowntimeStart, _1));
  42         /* fixed/flexible downtime end */
  43         Downtime::OnDowntimeRemoved.connect(std::bind(&Checkable::NotifyDowntimeEnd, _1));
  44 }
  45
  46 Checkable::Checkable(void)
  47         : m_CheckRunning(false)
  48 {
  49         SetSchedulingOffset(Utility::Random());
  50 }
  51
  52 void Checkable::OnAllConfigLoaded(void)
  53 {
  54         ObjectImpl<Checkable>::OnAllConfigLoaded();
  55
  56         Endpoint::Ptr endpoint = GetCommandEndpoint();
  57
  58         if (endpoint) {
  59                 Zone::Ptr checkableZone = static_pointer_cast<Zone>(GetZone());
  60
  61                 if (!checkableZone)
  62                         checkableZone = Zone::GetLocalZone();
  63
  64                 Zone::Ptr cmdZone = endpoint->GetZone();
  65
  66                 if (checkableZone && cmdZone != checkableZone && cmdZone->GetParent() != checkableZone) {
  67                         BOOST_THROW_EXCEPTION(ValidationError(this, { "command_endpoint" },
  68                                 "Command endpoint must be in zone '" + checkableZone->GetName() + "' or in a direct child zone thereof."));
  69                 }
  70         }
  71 }
  72
  73 void Checkable::Start(bool runtimeCreated)
  74 {
  75         double now = Utility::GetTime();
  76
  77         if (GetNextCheck() < now + 300)
  78                 UpdateNextCheck();
  79
  80         ObjectImpl<Checkable>::Start(runtimeCreated);
  81 }
  82
  83 void Checkable::AddGroup(const String& name)
  84 {
  85         boost::mutex::scoped_lock lock(m_CheckableMutex);
  86
  87         Array::Ptr groups;
  88         Host *host = dynamic_cast<Host *>(this);
  89
  90         if (host)
  91                 groups = host->GetGroups();
  92         else
  93                 groups = static_cast<Service *>(this)->GetGroups();
  94
  95         if (groups && groups->Contains(name))
  96                 return;
  97
  98         if (!groups)
  99                 groups = new Array();
 100
 101         groups->Add(name);
 102 }
 103
 104 AcknowledgementType Checkable::GetAcknowledgement(void)
 105 {
 106         AcknowledgementType avalue = static_cast<AcknowledgementType>(GetAcknowledgementRaw());
 107
 108         if (avalue != AcknowledgementNone) {
 109                 double expiry = GetAcknowledgementExpiry();
 110
 111                 if (expiry != 0 && expiry < Utility::GetTime()) {
 112                         avalue = AcknowledgementNone;
 113                         ClearAcknowledgement();
 114                 }
 115         }
 116
 117         return avalue;
 118 }
 119
 120 bool Checkable::IsAcknowledged(void) const
 121 {
 122         return const_cast<Checkable *>(this)->GetAcknowledgement() != AcknowledgementNone;
 123 }
 124
 125 void Checkable::AcknowledgeProblem(const String& author, const String& comment, AcknowledgementType type, bool notify, bool persistent, double expiry, const MessageOrigin::Ptr& origin)
 126 {
 127         SetAcknowledgementRaw(type);
 128         SetAcknowledgementExpiry(expiry);
 129
 130         if (notify && !IsPaused())
 131                 OnNotificationsRequested(this, NotificationAcknowledgement, GetLastCheckResult(), author, comment, nullptr);
 132
 133         OnAcknowledgementSet(this, author, comment, type, notify, persistent, expiry, origin);
 134 }
 135
 136 void Checkable::ClearAcknowledgement(const MessageOrigin::Ptr& origin)
 137 {
 138         SetAcknowledgementRaw(AcknowledgementNone);
 139         SetAcknowledgementExpiry(0);
 140
 141         OnAcknowledgementCleared(this, origin);
 142 }
 143
 144 Endpoint::Ptr Checkable::GetCommandEndpoint(void) const
 145 {
 146         return Endpoint::GetByName(GetCommandEndpointRaw());
 147 }
 148
 149 int Checkable::GetSeverity(void) const
 150 {
 151         /* overridden in Host/Service class. */
 152         return 0;
 153 }
 154
 155 void Checkable::NotifyFixedDowntimeStart(const Downtime::Ptr& downtime)
 156 {
 157         if (!downtime->GetFixed())
 158                 return;
 159
 160         NotifyDowntimeInternal(downtime);
 161 }
 162
 163 void Checkable::NotifyFlexibleDowntimeStart(const Downtime::Ptr& downtime)
 164 {
 165         if (downtime->GetFixed())
 166                 return;
 167
 168         NotifyDowntimeInternal(downtime);
 169 }
 170
 171 void Checkable::NotifyDowntimeInternal(const Downtime::Ptr& downtime)
 172 {
 173         Checkable::Ptr checkable = downtime->GetCheckable();
 174
 175         if (!checkable->IsPaused())
 176                 OnNotificationsRequested(checkable, NotificationDowntimeStart, checkable->GetLastCheckResult(), downtime->GetAuthor(), downtime->GetComment(), nullptr);
 177 }
 178
 179 void Checkable::NotifyDowntimeEnd(const Downtime::Ptr& downtime)
 180 {
 181         /* don't send notifications for flexible downtimes which never triggered */
 182         if (!downtime->GetFixed() && !downtime->IsTriggered())
 183                 return;
 184
 185         Checkable::Ptr checkable = downtime->GetCheckable();
 186
 187         if (!checkable->IsPaused())
 188                 OnNotificationsRequested(checkable, NotificationDowntimeEnd, checkable->GetLastCheckResult(), downtime->GetAuthor(), downtime->GetComment(), nullptr);
 189 }
 190
 191 void Checkable::ValidateCheckInterval(double value, const ValidationUtils& utils)
 192 {
 193         ObjectImpl<Checkable>::ValidateCheckInterval(value, utils);
 194
 195         if (value <= 0)
 196                 BOOST_THROW_EXCEPTION(ValidationError(this, { "check_interval" }, "Interval must be greater than 0."));
 197 }
 198
 199 void Checkable::ValidateMaxCheckAttempts(int value, const ValidationUtils& utils)
 200 {
 201         ObjectImpl<Checkable>::ValidateMaxCheckAttempts(value, utils);
 202
 203         if (value <= 0)
 204                 BOOST_THROW_EXCEPTION(ValidationError(this, { "max_check_attempts" }, "Value must be greater than 0."));
 205 }