mirror of
https://github.com/Icinga/icinga2.git
synced 2025-11-04 13:45:04 +01:00
142 lines
4.3 KiB
C++
142 lines
4.3 KiB
C++
/******************************************************************************
|
|
* Icinga 2 *
|
|
* Copyright (C) 2012-2014 Icinga Development Team (http://www.icinga.org) *
|
|
* *
|
|
* This program is free software; you can redistribute it and/or *
|
|
* modify it under the terms of the GNU General Public License *
|
|
* as published by the Free Software Foundation; either version 2 *
|
|
* of the License, or (at your option) any later version. *
|
|
* *
|
|
* This program is distributed in the hope that it will be useful, *
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
|
|
* GNU General Public License for more details. *
|
|
* *
|
|
* You should have received a copy of the GNU General Public License *
|
|
* along with this program; if not, write to the Free Software Foundation *
|
|
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. *
|
|
******************************************************************************/
|
|
|
|
#include "icinga/hostgroup.hpp"
|
|
#include "config/objectrule.hpp"
|
|
#include "base/dynamictype.hpp"
|
|
#include "base/logger.hpp"
|
|
#include "base/objectlock.hpp"
|
|
#include "base/context.hpp"
|
|
#include "base/workqueue.hpp"
|
|
#include <boost/foreach.hpp>
|
|
|
|
using namespace icinga;
|
|
|
|
REGISTER_TYPE(HostGroup);
|
|
|
|
INITIALIZE_ONCE(&HostGroup::RegisterObjectRuleHandler);
|
|
|
|
void HostGroup::RegisterObjectRuleHandler(void)
|
|
{
|
|
ObjectRule::RegisterType("HostGroup", &HostGroup::EvaluateObjectRules);
|
|
}
|
|
|
|
bool HostGroup::EvaluateObjectRuleOne(const Host::Ptr& host, const ObjectRule& rule)
|
|
{
|
|
DebugInfo di = rule.GetDebugInfo();
|
|
|
|
std::ostringstream msgbuf;
|
|
msgbuf << "Evaluating 'object' rule (" << di << ")";
|
|
CONTEXT(msgbuf.str());
|
|
|
|
Dictionary::Ptr locals = make_shared<Dictionary>();
|
|
locals->Set("host", host);
|
|
|
|
if (!rule.EvaluateFilter(locals))
|
|
return false;
|
|
|
|
Log(LogDebug, "HostGroup")
|
|
<< "Assigning membership for group '" << rule.GetName() << "' to host '" << host->GetName() << "' for rule " << di;
|
|
|
|
String group_name = rule.GetName();
|
|
HostGroup::Ptr group = HostGroup::GetByName(group_name);
|
|
|
|
if (!group) {
|
|
Log(LogCritical, "HostGroup")
|
|
<< "Invalid membership assignment. Group '" << group_name << "' does not exist.";
|
|
return false;
|
|
}
|
|
|
|
/* assign host group membership */
|
|
group->ResolveGroupMembership(host, true);
|
|
|
|
return true;
|
|
}
|
|
|
|
void HostGroup::EvaluateObjectRule(const ObjectRule& rule)
|
|
{
|
|
BOOST_FOREACH(const Host::Ptr& host, DynamicType::GetObjectsByType<Host>()) {
|
|
CONTEXT("Evaluating group membership in '" + rule.GetName() + "' for host '" + host->GetName() + "'");
|
|
|
|
EvaluateObjectRuleOne(host, rule);
|
|
}
|
|
}
|
|
|
|
void HostGroup::EvaluateObjectRules(const std::vector<ObjectRule>& rules)
|
|
{
|
|
ParallelWorkQueue upq;
|
|
|
|
BOOST_FOREACH(const ObjectRule& rule, rules) {
|
|
upq.Enqueue(boost::bind(HostGroup::EvaluateObjectRule, boost::cref(rule)));
|
|
}
|
|
|
|
upq.Join();
|
|
}
|
|
|
|
std::set<Host::Ptr> HostGroup::GetMembers(void) const
|
|
{
|
|
boost::mutex::scoped_lock lock(m_HostGroupMutex);
|
|
return m_Members;
|
|
}
|
|
|
|
void HostGroup::AddMember(const Host::Ptr& host)
|
|
{
|
|
host->AddGroup(GetName());
|
|
|
|
boost::mutex::scoped_lock lock(m_HostGroupMutex);
|
|
m_Members.insert(host);
|
|
}
|
|
|
|
void HostGroup::RemoveMember(const Host::Ptr& host)
|
|
{
|
|
boost::mutex::scoped_lock lock(m_HostGroupMutex);
|
|
m_Members.erase(host);
|
|
}
|
|
|
|
bool HostGroup::ResolveGroupMembership(const Host::Ptr& host, bool add, int rstack) {
|
|
|
|
if (add && rstack > 20) {
|
|
Log(LogWarning, "HostGroup")
|
|
<< "Too many nested groups for group '" << GetName() << "': Host '"
|
|
<< host->GetName() << "' membership assignment failed.";
|
|
|
|
return false;
|
|
}
|
|
|
|
Array::Ptr groups = GetGroups();
|
|
|
|
if (groups && groups->GetLength() > 0) {
|
|
ObjectLock olock(groups);
|
|
|
|
BOOST_FOREACH(const String& name, groups) {
|
|
HostGroup::Ptr group = HostGroup::GetByName(name);
|
|
|
|
if (group && !group->ResolveGroupMembership(host, add, rstack + 1))
|
|
return false;
|
|
}
|
|
}
|
|
|
|
if (add)
|
|
AddMember(host);
|
|
else
|
|
RemoveMember(host);
|
|
|
|
return true;
|
|
}
|