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/* Icinga 2 | (c) 2012 Icinga GmbH | GPLv2+ */
#include "icinga/servicegroup.hpp"
#include "icinga/servicegroup-ti.cpp"
#include "config/objectrule.hpp"
#include "config/configitem.hpp"
#include "base/configtype.hpp"
#include "base/objectlock.hpp"
#include "base/logger.hpp"
#include "base/context.hpp"
#include "base/workqueue.hpp"
using namespace icinga;
REGISTER_TYPE(ServiceGroup);
INITIALIZE_ONCE([]() {
ObjectRule::RegisterType("ServiceGroup");
});
bool ServiceGroup::EvaluateObjectRule(const Service::Ptr& service, const ConfigItem::Ptr& group)
{
String groupName = group->GetName();
CONTEXT("Evaluating rule for group '" << groupName << "'");
Host::Ptr host = service->GetHost();
ScriptFrame frame(true);
if (group->GetScope())
group->GetScope()->CopyTo(frame.Locals);
frame.Locals->Set("host", host);
frame.Locals->Set("service", service);
if (!group->GetFilter()->Evaluate(frame).GetValue().ToBool())
return false;
Log(LogDebug, "ServiceGroup")
<< "Assigning membership for group '" << groupName << "' to service '" << service->GetName() << "'";
Array::Ptr groups = service->GetGroups();
if (groups && !groups->Contains(groupName))
groups->Add(groupName);
return true;
}
void ServiceGroup::EvaluateObjectRules(const Service::Ptr& service)
{
CONTEXT("Evaluating group membership for service '" << service->GetName() << "'");
for (const ConfigItem::Ptr& group : ConfigItem::GetItems(ServiceGroup::TypeInstance))
{
if (!group->GetFilter())
continue;
EvaluateObjectRule(service, group);
}
}
std::set<Service::Ptr> ServiceGroup::GetMembers() const
{
std::unique_lock<std::mutex> lock(m_ServiceGroupMutex);
return m_Members;
}
void ServiceGroup::AddMember(const Service::Ptr& service)
{
service->AddGroup(GetName());
std::unique_lock<std::mutex> lock(m_ServiceGroupMutex);
m_Members.insert(service);
}
void ServiceGroup::RemoveMember(const Service::Ptr& service)
{
std::unique_lock<std::mutex> lock(m_ServiceGroupMutex);
m_Members.erase(service);
}
bool ServiceGroup::ResolveGroupMembership(const Service::Ptr& service, bool add, int rstack) {
if (add && rstack > 20) {
Log(LogWarning, "ServiceGroup")
<< "Too many nested groups for group '" << GetName() << "': Service '"
<< service->GetName() << "' membership assignment failed.";
return false;
}
Array::Ptr groups = GetGroups();
if (groups && groups->GetLength() > 0) {
ObjectLock olock(groups);
for (const String& name : groups) {
ServiceGroup::Ptr group = ServiceGroup::GetByName(name);
if (group && !group->ResolveGroupMembership(service, add, rstack + 1))
return false;
}
}
if (add)
AddMember(service);
else
RemoveMember(service);
return true;
}
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