mirror of https://github.com/Icinga/icinga2.git
130 lines
4.0 KiB
C++
130 lines
4.0 KiB
C++
/******************************************************************************
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* Icinga 2 *
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* Copyright (C) 2012-2015 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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#include "icinga/servicegroup.hpp"
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#include "config/objectrule.hpp"
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#include "config/configitem.hpp"
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#include "base/dynamictype.hpp"
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#include "base/objectlock.hpp"
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#include "base/logger.hpp"
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#include "base/context.hpp"
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#include "base/workqueue.hpp"
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#include <boost/foreach.hpp>
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using namespace icinga;
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REGISTER_TYPE(ServiceGroup);
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INITIALIZE_ONCE(&ServiceGroup::RegisterObjectRuleHandler);
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void ServiceGroup::RegisterObjectRuleHandler(void)
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{
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ObjectRule::RegisterType("ServiceGroup");
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}
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bool ServiceGroup::EvaluateObjectRule(const Service::Ptr& service, const ConfigItem::Ptr& group)
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{
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String group_name = group->GetName();
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CONTEXT("Evaluating rule for group '" + group_name + "'");
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Host::Ptr host = service->GetHost();
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ScriptFrame frame;
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if (group->GetScope())
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group->GetScope()->CopyTo(frame.Locals);
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frame.Locals->Set("host", host);
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frame.Locals->Set("service", service);
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if (!group->GetFilter()->Evaluate(frame).GetValue().ToBool())
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return false;
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Log(LogDebug, "ServiceGroup")
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<< "Assigning membership for group '" << group_name << "' to service '" << service->GetName() << "'";
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Array::Ptr groups = service->GetGroups();
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groups->Add(group_name);
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return true;
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}
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void ServiceGroup::EvaluateObjectRules(const Service::Ptr& service)
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{
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CONTEXT("Evaluating group membership for service '" + service->GetName() + "'");
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BOOST_FOREACH(const ConfigItem::Ptr& group, ConfigItem::GetItems("ServiceGroup"))
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{
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if (!group->GetFilter())
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continue;
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EvaluateObjectRule(service, group);
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}
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}
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std::set<Service::Ptr> ServiceGroup::GetMembers(void) const
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{
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boost::mutex::scoped_lock lock(m_ServiceGroupMutex);
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return m_Members;
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}
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void ServiceGroup::AddMember(const Service::Ptr& service)
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{
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service->AddGroup(GetName());
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boost::mutex::scoped_lock lock(m_ServiceGroupMutex);
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m_Members.insert(service);
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}
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void ServiceGroup::RemoveMember(const Service::Ptr& service)
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{
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boost::mutex::scoped_lock lock(m_ServiceGroupMutex);
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m_Members.erase(service);
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}
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bool ServiceGroup::ResolveGroupMembership(const Service::Ptr& service, bool add, int rstack) {
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if (add && rstack > 20) {
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Log(LogWarning, "ServiceGroup")
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<< "Too many nested groups for group '" << GetName() << "': Service '"
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<< service->GetName() << "' membership assignment failed.";
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return false;
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}
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Array::Ptr groups = GetGroups();
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if (groups && groups->GetLength() > 0) {
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ObjectLock olock(groups);
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BOOST_FOREACH(const String& name, groups) {
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ServiceGroup::Ptr group = ServiceGroup::GetByName(name);
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if (group && !group->ResolveGroupMembership(service, add, rstack + 1))
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return false;
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}
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}
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if (add)
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AddMember(service);
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else
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RemoveMember(service);
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return true;
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}
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