mirror of
https://github.com/Icinga/icinga2.git
synced 2025-11-03 21:25:56 +01:00
126 lines
3.8 KiB
C++
126 lines
3.8 KiB
C++
/******************************************************************************
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* Icinga 2 *
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* Copyright (C) 2012-2018 Icinga Development Team (https://www.icinga.com/) *
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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/hostgroup.hpp"
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#include "icinga/hostgroup-ti.cpp"
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#include "config/objectrule.hpp"
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#include "config/configitem.hpp"
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#include "base/configtype.hpp"
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#include "base/logger.hpp"
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#include "base/objectlock.hpp"
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#include "base/context.hpp"
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#include "base/workqueue.hpp"
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using namespace icinga;
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REGISTER_TYPE(HostGroup);
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INITIALIZE_ONCE([]() {
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ObjectRule::RegisterType("HostGroup");
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});
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bool HostGroup::EvaluateObjectRule(const Host::Ptr& host, const ConfigItem::Ptr& group)
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{
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String groupName = group->GetName();
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CONTEXT("Evaluating rule for group '" + groupName + "'");
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ScriptFrame frame(true);
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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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if (!group->GetFilter()->Evaluate(frame).GetValue().ToBool())
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return false;
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Log(LogDebug, "HostGroup")
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<< "Assigning membership for group '" << groupName << "' to host '" << host->GetName() << "'";
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Array::Ptr groups = host->GetGroups();
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if (groups && !groups->Contains(groupName))
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groups->Add(groupName);
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return true;
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}
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void HostGroup::EvaluateObjectRules(const Host::Ptr& host)
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{
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CONTEXT("Evaluating group memberships for host '" + host->GetName() + "'");
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for (const ConfigItem::Ptr& group : ConfigItem::GetItems(HostGroup::TypeInstance))
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{
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if (!group->GetFilter())
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continue;
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EvaluateObjectRule(host, group);
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}
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}
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std::set<Host::Ptr> HostGroup::GetMembers() const
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{
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boost::mutex::scoped_lock lock(m_HostGroupMutex);
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return m_Members;
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}
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void HostGroup::AddMember(const Host::Ptr& host)
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{
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host->AddGroup(GetName());
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boost::mutex::scoped_lock lock(m_HostGroupMutex);
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m_Members.insert(host);
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}
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void HostGroup::RemoveMember(const Host::Ptr& host)
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{
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boost::mutex::scoped_lock lock(m_HostGroupMutex);
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m_Members.erase(host);
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}
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bool HostGroup::ResolveGroupMembership(const Host::Ptr& host, bool add, int rstack) {
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if (add && rstack > 20) {
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Log(LogWarning, "HostGroup")
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<< "Too many nested groups for group '" << GetName() << "': Host '"
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<< host->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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for (const String& name : groups) {
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HostGroup::Ptr group = HostGroup::GetByName(name);
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if (group && !group->ResolveGroupMembership(host, 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(host);
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else
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RemoveMember(host);
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return true;
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}
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