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			529 lines
		
	
	
		
			16 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			529 lines
		
	
	
		
			16 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
| /******************************************************************************
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|  * Icinga 2                                                                   *
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|  * Copyright (C) 2012-2014 Icinga Development Team (http://www.icinga.org)    *
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|  *                                                                            *
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|  * This program is free software; you can redistribute it and/or              *
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|  * modify it under the terms of the GNU General Public License                *
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|  * as published by the Free Software Foundation; either version 2             *
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|  * of the License, or (at your option) any later version.                     *
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|  *                                                                            *
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|  * This program is distributed in the hope that it will be useful,            *
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|  * but WITHOUT ANY WARRANTY; without even the implied warranty of             *
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|  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the              *
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|  * GNU General Public License for more details.                               *
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|  *                                                                            *
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|  * You should have received a copy of the GNU General Public License          *
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|  * along with this program; if not, write to the Free Software Foundation     *
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|  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.             *
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|  ******************************************************************************/
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| 
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| #include "icinga/notification.hpp"
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| #include "icinga/notificationcommand.hpp"
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| #include "icinga/service.hpp"
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| #include "base/objectlock.hpp"
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| #include "base/logger.hpp"
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| #include "base/utility.hpp"
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| #include "base/convert.hpp"
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| #include "base/exception.hpp"
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| #include "base/initialize.hpp"
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| #include "base/scriptglobal.hpp"
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| #include "base/scriptfunction.hpp"
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| #include <boost/foreach.hpp>
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| 
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| using namespace icinga;
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| 
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| REGISTER_TYPE(Notification);
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| REGISTER_SCRIPTFUNCTION(ValidateNotificationFilters, &Notification::ValidateFilters);
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| INITIALIZE_ONCE(&Notification::StaticInitialize);
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| 
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| boost::signals2::signal<void (const Notification::Ptr&, double, const MessageOrigin&)> Notification::OnNextNotificationChanged;
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| 
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| String NotificationNameComposer::MakeName(const String& shortName, const Object::Ptr& context) const
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| {
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| 	Notification::Ptr notification = dynamic_pointer_cast<Notification>(context);
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| 
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| 	if (!notification)
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| 		return "";
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| 
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| 	String name = notification->GetHostName();
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| 
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| 	if (!notification->GetServiceName().IsEmpty())
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| 		name += "!" + notification->GetServiceName();
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| 
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| 	name += "!" + shortName;
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| 
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| 	return name;
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| }
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| 
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| void Notification::StaticInitialize(void)
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| {
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| 	ScriptGlobal::Set("OK", StateFilterOK);
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| 	ScriptGlobal::Set("Warning", StateFilterWarning);
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| 	ScriptGlobal::Set("Critical", StateFilterCritical);
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| 	ScriptGlobal::Set("Unknown", StateFilterUnknown);
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| 	ScriptGlobal::Set("Up", StateFilterUp);
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| 	ScriptGlobal::Set("Down", StateFilterDown);
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| 
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| 	ScriptGlobal::Set("DowntimeStart", 1 << NotificationDowntimeStart);
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| 	ScriptGlobal::Set("DowntimeEnd", 1 << NotificationDowntimeEnd);
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| 	ScriptGlobal::Set("DowntimeRemoved", 1 << NotificationDowntimeRemoved);
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| 	ScriptGlobal::Set("Custom", 1 << NotificationCustom);
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| 	ScriptGlobal::Set("Acknowledgement", 1 << NotificationAcknowledgement);
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| 	ScriptGlobal::Set("Problem", 1 << NotificationProblem);
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| 	ScriptGlobal::Set("Recovery", 1 << NotificationRecovery);
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| 	ScriptGlobal::Set("FlappingStart", 1 << NotificationFlappingStart);
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| 	ScriptGlobal::Set("FlappingEnd", 1 << NotificationFlappingEnd);
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| }
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| 
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| void Notification::OnConfigLoaded(void)
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| {
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| 	SetTypeFilter(FilterArrayToInt(GetTypes(), ~0));
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| 	SetStateFilter(FilterArrayToInt(GetStates(), ~0));
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| }
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| 
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| void Notification::OnAllConfigLoaded(void)
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| {
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| 	Checkable::Ptr obj = GetCheckable();
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| 
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| 	if (!obj)
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| 		BOOST_THROW_EXCEPTION(ScriptError("Notification object refers to a host/service which doesn't exist.", GetDebugInfo()));
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| 
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| 	obj->AddNotification(this);
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| }
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| 
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| void Notification::Start(void)
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| {
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| 	DynamicObject::Start();
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| 
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| 	Checkable::Ptr obj = GetCheckable();
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| 
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| 	if (obj)
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| 		obj->AddNotification(this);
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| }
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| 
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| void Notification::Stop(void)
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| {
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| 	DynamicObject::Stop();
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| 
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| 	Checkable::Ptr obj = GetCheckable();
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| 
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| 	if (obj)
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| 		obj->RemoveNotification(this);
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| }
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| 
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| Checkable::Ptr Notification::GetCheckable(void) const
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| {
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| 	Host::Ptr host = Host::GetByName(GetHostName());
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| 
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| 	if (GetServiceName().IsEmpty())
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| 		return host;
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| 	else
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| 		return host->GetServiceByShortName(GetServiceName());
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| }
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| 
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| NotificationCommand::Ptr Notification::GetCommand(void) const
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| {
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| 	return NotificationCommand::GetByName(GetCommandRaw());
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| }
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| 
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| std::set<User::Ptr> Notification::GetUsers(void) const
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| {
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| 	std::set<User::Ptr> result;
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| 
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| 	Array::Ptr users = GetUsersRaw();
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| 
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| 	if (users) {
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| 		ObjectLock olock(users);
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| 
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| 		BOOST_FOREACH(const String& name, users) {
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| 			User::Ptr user = User::GetByName(name);
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| 
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| 			if (!user)
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| 				continue;
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| 
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| 			result.insert(user);
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| 		}
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| 	}
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| 
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| 	return result;
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| }
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| 
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| std::set<UserGroup::Ptr> Notification::GetUserGroups(void) const
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| {
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| 	std::set<UserGroup::Ptr> result;
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| 
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| 	Array::Ptr groups = GetUserGroupsRaw();
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| 
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| 	if (groups) {
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| 		ObjectLock olock(groups);
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| 
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| 		BOOST_FOREACH(const String& name, groups) {
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| 			UserGroup::Ptr ug = UserGroup::GetByName(name);
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| 
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| 			if (!ug)
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| 				continue;
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| 
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| 			result.insert(ug);
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| 		}
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| 	}
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| 
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| 	return result;
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| }
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| 
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| TimePeriod::Ptr Notification::GetPeriod(void) const
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| {
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| 	return TimePeriod::GetByName(GetPeriodRaw());
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| }
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| 
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| double Notification::GetNextNotification(void) const
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| {
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| 	return GetNextNotificationRaw();
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| }
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| 
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| /**
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|  * Sets the timestamp when the next periodical notification should be sent.
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|  * This does not affect notifications that are sent for state changes.
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|  */
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| void Notification::SetNextNotification(double time, const MessageOrigin& origin)
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| {
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| 	SetNextNotificationRaw(time);
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| 
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| 	OnNextNotificationChanged(this, time, origin);
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| }
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| 
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| void Notification::UpdateNotificationNumber(void)
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| {
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| 	SetNotificationNumber(GetNotificationNumber() + 1);
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| }
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| 
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| void Notification::ResetNotificationNumber(void)
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| {
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| 	SetNotificationNumber(0);
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| }
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| 
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| String Notification::NotificationTypeToString(NotificationType type)
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| {
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| 	switch (type) {
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| 		case NotificationDowntimeStart:
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| 			return "DOWNTIMESTART";
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| 		case NotificationDowntimeEnd:
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| 			return "DOWNTIMEEND";
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| 		case NotificationDowntimeRemoved:
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| 			return "DOWNTIMECANCELLED";
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| 		case NotificationCustom:
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| 			return "CUSTOM";
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| 		case NotificationAcknowledgement:
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| 			return "ACKNOWLEDGEMENT";
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| 		case NotificationProblem:
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| 			return "PROBLEM";
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| 		case NotificationRecovery:
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| 			return "RECOVERY";
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| 		case NotificationFlappingStart:
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| 			return "FLAPPINGSTART";
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| 		case NotificationFlappingEnd:
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| 			return "FLAPPINGEND";
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| 		default:
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| 			return "UNKNOWN_NOTIFICATION";
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| 	}
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| }
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| 
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| void Notification::BeginExecuteNotification(NotificationType type, const CheckResult::Ptr& cr, bool force, const String& author, const String& text)
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| {
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| 	ASSERT(!OwnsLock());
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| 
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| 	Checkable::Ptr checkable = GetCheckable();
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| 
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| 	if (!force) {
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| 		TimePeriod::Ptr tp = GetPeriod();
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| 
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| 		if (tp && !tp->IsInside(Utility::GetTime())) {
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| 			Log(LogNotice, "Notification")
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| 			    << "Not sending notifications for notification object '" << GetName() << "': not in timeperiod";
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| 			return;
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| 		}
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| 
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| 		double now = Utility::GetTime();
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| 		Dictionary::Ptr times = GetTimes();
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| 
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| 		if (type == NotificationProblem) {
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| 			if (times && times->Contains("begin") && now < checkable->GetLastHardStateChange() + times->Get("begin")) {
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| 				Log(LogNotice, "Notification")
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| 				    << "Not sending notifications for notification object '" << GetName() << "': before escalation range";
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| 
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| 				/* we need to adjust the next notification time
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|  				 * to now + begin delaying the first notification
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|  				 */
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| 				double nextProposedNotification = now + times->Get("begin") + 1.0;
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| 				if (GetNextNotification() > nextProposedNotification)
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| 					SetNextNotification(nextProposedNotification);
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| 
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| 				return;
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| 			}
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| 
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| 			if (times && times->Contains("end") && now > checkable->GetLastHardStateChange() + times->Get("end")) {
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| 				Log(LogNotice, "Notification")
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| 				    << "Not sending notifications for notification object '" << GetName() << "': after escalation range";
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| 				return;
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| 			}
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| 		}
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| 
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| 		unsigned long ftype = 1 << type;
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| 
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| 		Log(LogDebug, "Notification")
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| 		    << "FType=" << ftype << ", TypeFilter=" << GetTypeFilter();
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| 
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| 		if (!(ftype & GetTypeFilter())) {
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| 			Log(LogNotice, "Notification")
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| 			    << "Not sending notifications for notification object '" << GetName() << "': type filter does not match '"
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| 			    << NotificationTypeToString(type) << "'";
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| 			return;
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| 		}
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| 
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| 		/* ensure that recovery notifications are always sent, no state filter checks necessary */
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| 		if (type != NotificationRecovery) {
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| 			Host::Ptr host;
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| 			Service::Ptr service;
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| 			tie(host, service) = GetHostService(checkable);
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| 
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| 			unsigned long fstate;
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| 
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| 			if (service)
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| 				fstate = ServiceStateToFilter(service->GetState());
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| 			else
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| 				fstate = HostStateToFilter(host->GetState());
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| 
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| 			if (!(fstate & GetStateFilter())) {
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| 				Log(LogNotice, "Notification")
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| 				    << "Not sending notifications for notification object '" << GetName() << "': state filter does not match";
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| 				return;
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| 			}
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| 		}
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| 	}
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| 
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| 	{
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| 		ObjectLock olock(this);
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| 
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| 		double now = Utility::GetTime();
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| 		SetLastNotification(now);
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| 
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| 		if (type == NotificationProblem)
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| 			SetLastProblemNotification(now);
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| 	}
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| 
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| 	std::set<User::Ptr> allUsers;
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| 
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| 	std::set<User::Ptr> users = GetUsers();
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| 	std::copy(users.begin(), users.end(), std::inserter(allUsers, allUsers.begin()));
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| 
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| 	BOOST_FOREACH(const UserGroup::Ptr& ug, GetUserGroups()) {
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| 		std::set<User::Ptr> members = ug->GetMembers();
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| 		std::copy(members.begin(), members.end(), std::inserter(allUsers, allUsers.begin()));
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| 	}
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| 
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| 	Service::OnNotificationSendStart(this, checkable, allUsers, type, cr, author, text);
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| 
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| 	std::set<User::Ptr> allNotifiedUsers;
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| 	Array::Ptr notifiedUsers = GetNotifiedUsers();
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| 
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| 	BOOST_FOREACH(const User::Ptr& user, allUsers) {
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| 		String userName = user->GetName();
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| 
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| 		if (!user->GetEnableNotifications()) {
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| 			Log(LogNotice, "Notification")
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| 			    << "Disabled notifications for user '" << userName << "'. Not sending notification.";
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| 			continue;
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| 		}
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| 
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| 		if (!CheckNotificationUserFilters(type, user, force)) {
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| 			Log(LogNotice, "Notification")
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| 			    << "Notification filters for user '" << userName << "' not matched. Not sending notification.";
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| 			continue;
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| 		}
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| 
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| 		/* on recovery, check if user was notified before */
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| 		if (type == NotificationRecovery) {
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| 			if (!notifiedUsers->Contains(userName)) {
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| 				Log(LogNotice, "Notification")
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| 				    << "We did not notify user '" << userName << "' before. Not sending recovery notification.";
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| 				continue;
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| 			}
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| 		}
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| 
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| 		Log(LogInformation, "Notification")
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| 		    << "Sending notification for user '" << userName << "'";
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| 
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| 		Utility::QueueAsyncCallback(boost::bind(&Notification::ExecuteNotificationHelper, this, type, user, cr, force, author, text));
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| 
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| 		/* collect all notified users */
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| 		allNotifiedUsers.insert(user);
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| 
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| 		/* store all notified users for later recovery checks */
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| 		if (!notifiedUsers->Contains(userName))
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| 			notifiedUsers->Add(userName);
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| 	}
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| 
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| 	/* if this was a recovery notification, reset all notified users */
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| 	if (type == NotificationRecovery)
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| 		notifiedUsers->Clear();
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| 
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| 	/* used in db_ido for notification history */
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| 	Service::OnNotificationSentToAllUsers(this, checkable, allNotifiedUsers, type, cr, author, text);
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| }
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| 
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| bool Notification::CheckNotificationUserFilters(NotificationType type, const User::Ptr& user, bool force)
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| {
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| 	ASSERT(!OwnsLock());
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| 
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| 	if (!force) {
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| 		TimePeriod::Ptr tp = user->GetPeriod();
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| 
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| 		if (tp && !tp->IsInside(Utility::GetTime())) {
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| 			Log(LogNotice, "Notification")
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| 			    << "Not sending notifications for notification object '"
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| 			    << GetName() << " and user '" << user->GetName() << "': user not in timeperiod";
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| 			return false;
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| 		}
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| 
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| 		unsigned long ftype = 1 << type;
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| 
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| 		if (!(ftype & user->GetTypeFilter())) {
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| 			Log(LogNotice, "Notification")
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| 			    << "Not sending notifications for notification object '"
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| 			    << GetName() << " and user '" << user->GetName() << "': type filter does not match";
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| 			return false;
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| 		}
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| 
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| 		/* check state filters it this is not a recovery notification */
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| 		if (type != NotificationRecovery) {
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| 			Checkable::Ptr checkable = GetCheckable();
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| 			Host::Ptr host;
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| 			Service::Ptr service;
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| 			tie(host, service) = GetHostService(checkable);
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| 
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| 			unsigned long fstate;
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| 
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| 			if (service)
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| 					fstate = ServiceStateToFilter(service->GetState());
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| 			else
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| 					fstate = HostStateToFilter(host->GetState());
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| 
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| 			if (!(fstate & user->GetStateFilter())) {
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| 				Log(LogNotice, "Notification")
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| 				    << "Not sending notifications for notification object '"
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| 				    << GetName() << " and user '" << user->GetName() << "': state filter does not match";
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| 				return false;
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| 			}
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| 		}
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| 	}
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| 
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| 	return true;
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| }
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| 
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| void Notification::ExecuteNotificationHelper(NotificationType type, const User::Ptr& user, const CheckResult::Ptr& cr, bool force, const String& author, const String& text)
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| {
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| 	ASSERT(!OwnsLock());
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| 
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| 	try {
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| 		NotificationCommand::Ptr command = GetCommand();
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| 
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| 		if (!command) {
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| 			Log(LogDebug, "Notification")
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| 			    << "No notification_command found for notification '" << GetName() << "'. Skipping execution.";
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| 			return;
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| 		}
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| 
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| 		command->Execute(this, user, cr, type, author, text);
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| 
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| 		{
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| 			ObjectLock olock(this);
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| 			UpdateNotificationNumber();
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| 			SetLastNotification(Utility::GetTime());
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| 		}
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| 
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| 		/* required by compatlogger */
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| 		Service::OnNotificationSentToUser(this, GetCheckable(), user, type, cr, author, text, command->GetName());
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| 
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| 		Log(LogInformation, "Notification")
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| 		    << "Completed sending notification for object '" << GetCheckable()->GetName() << "'";
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| 	} catch (const std::exception& ex) {
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| 		Log(LogWarning, "Notification")
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| 		    << "Exception occured during notification for object '"
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| 		    << GetCheckable()->GetName() << "': " << DiagnosticInformation(ex);
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| 	}
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| }
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| 
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| int icinga::ServiceStateToFilter(ServiceState state)
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| {
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| 	switch (state) {
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| 		case ServiceOK:
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| 			return StateFilterOK;
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| 		case ServiceWarning:
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| 			return StateFilterWarning;
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| 		case ServiceCritical:
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| 			return StateFilterCritical;
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| 		case ServiceUnknown:
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| 			return StateFilterUnknown;
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| 		default:
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| 			VERIFY(!"Invalid state type.");
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| 	}
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| }
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| 
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| int icinga::HostStateToFilter(HostState state)
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| {
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| 	switch (state) {
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| 		case HostUp:
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| 			return StateFilterUp;
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| 		case HostDown:
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| 			return StateFilterDown;
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| 		default:
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| 			VERIFY(!"Invalid state type.");
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| 	}
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| }
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| 
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| int icinga::FilterArrayToInt(const Array::Ptr& typeFilters, int defaultValue)
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| {
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| 	Value resultTypeFilter;
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| 
 | |
| 	if (!typeFilters)
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| 		return defaultValue;
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| 
 | |
| 	resultTypeFilter = 0;
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| 
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| 	ObjectLock olock(typeFilters);
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| 	BOOST_FOREACH(const Value& typeFilter, typeFilters) {
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| 		resultTypeFilter = resultTypeFilter | typeFilter;
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| 	}
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| 
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| 	return resultTypeFilter;
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| }
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| 
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| void Notification::ValidateFilters(const String& location, const Notification::Ptr& object)
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| {
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| 	int sfilter = FilterArrayToInt(object->GetStates(), 0);
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| 
 | |
| 	if (object->GetServiceName().IsEmpty() && (sfilter & ~(StateFilterUp | StateFilterDown)) != 0) {
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| 		BOOST_THROW_EXCEPTION(ScriptError("Validation failed for " +
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| 		    location + ": State filter is invalid.", object->GetDebugInfo()));
 | |
| 	}
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| 
 | |
| 	if (!object->GetServiceName().IsEmpty() && (sfilter & ~(StateFilterOK | StateFilterWarning | StateFilterCritical | StateFilterUnknown)) != 0) {
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| 		BOOST_THROW_EXCEPTION(ScriptError("Validation failed for " +
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| 		    location + ": State filter is invalid.", object->GetDebugInfo()));
 | |
| 	}
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| 
 | |
| 	int tfilter = FilterArrayToInt(object->GetTypes(), 0);
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| 
 | |
| 	if ((tfilter & ~(1 << NotificationDowntimeStart | 1 << NotificationDowntimeEnd | 1 << NotificationDowntimeRemoved |
 | |
| 	    1 << NotificationCustom | 1 << NotificationAcknowledgement | 1 << NotificationProblem | 1 << NotificationRecovery |
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| 	    1 << NotificationFlappingStart | 1 << NotificationFlappingEnd)) != 0) {
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| 		BOOST_THROW_EXCEPTION(ScriptError("Validation failed for " +
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| 		    location + ": Type filter is invalid.", object->GetDebugInfo()));
 | |
| 	}
 | |
| }
 | |
| 
 | |
| Endpoint::Ptr Notification::GetCommandEndpoint(void) const
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| {
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| 	return Endpoint::GetByName(GetCommandEndpointRaw());
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| }
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| 
 |