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);
for (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;
}
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;
std::ostringstream msgbuf2;
msgbuf2 << "Assigning membership for group '" << rule.GetName() << "' to host '" << host->GetName() << "' for rule " << di;
Log(LogDebug, "HostGroup", msgbuf2.str());
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);
/* update groups attribute for apply */
host->AddGroup(group_name);
return true;
}