mirror of
https://github.com/Icinga/icinga2.git
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119 lines
2.6 KiB
C++
119 lines
2.6 KiB
C++
/* Icinga 2 | (c) 2012 Icinga GmbH | GPLv2+ */
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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 (false);
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if (group->GetScope()) {
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frame.Locals = new Dictionary();
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if (group->GetScope()) {
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group->GetScope()->CopyTo(frame.Locals);
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}
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host->GetFrozenLocalsForApply()->CopyTo(frame.Locals);
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frame.Locals->Freeze();
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} else {
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frame.Locals = host->GetFrozenLocalsForApply();
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}
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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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std::unique_lock<std::mutex> 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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std::unique_lock<std::mutex> 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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std::unique_lock<std::mutex> 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 (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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