diff options
Diffstat (limited to 'lib/icinga/servicegroup.cpp')
-rw-r--r-- | lib/icinga/servicegroup.cpp | 111 |
1 files changed, 111 insertions, 0 deletions
diff --git a/lib/icinga/servicegroup.cpp b/lib/icinga/servicegroup.cpp new file mode 100644 index 0000000..8784b50 --- /dev/null +++ b/lib/icinga/servicegroup.cpp @@ -0,0 +1,111 @@ +/* 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; +} |