bool HostGroup::EvaluateObjectRule(const Host::Ptr& host, const ConfigItem::Ptr& group)
{
String group_name = group->GetName();
CONTEXT("Evaluating rule for group '" + group_name + "'");
ScriptFrame frame;
if (group->GetScope())
group->GetScope()->CopyTo(frame.Locals);
frame.Locals->Set("host", host);
if (!group->GetFilter()->Evaluate(frame).GetValue().ToBool())
return false;
Log(LogDebug, "HostGroup")
<< "Assigning membership for group '" << group_name << "' to host '" << host->GetName() << "'";
Array::Ptr groups = host->GetGroups();
groups->Add(group_name);
return true;
}
void StatusDataWriter::DumpHostObject(std::ostream& fp, const Host::Ptr& host)
{
String notes = host->GetNotes();
String notes_url = host->GetNotesUrl();
String action_url = host->GetActionUrl();
String icon_image = host->GetIconImage();
String icon_image_alt = host->GetIconImageAlt();
String display_name = host->GetDisplayName();
String address = host->GetAddress();
String address6 = host->GetAddress6();
fp << "define host {" "\n"
"\t" "host_name" "\t" << host->GetName() << "\n";
if (!display_name.IsEmpty()) {
fp << "\t" "display_name" "\t" << host->GetDisplayName() << "\n"
"\t" "alias" "\t" << host->GetDisplayName() << "\n";
}
if (!address.IsEmpty())
fp << "\t" "address" "\t" << address << "\n";
if (!address6.IsEmpty())
fp << "\t" "address6" "\t" << address6 << "\n";
if (!notes.IsEmpty())
fp << "\t" "notes" "\t" << notes << "\n";
if (!notes_url.IsEmpty())
fp << "\t" "notes_url" "\t" << notes_url << "\n";
if (!action_url.IsEmpty())
fp << "\t" "action_url" "\t" << action_url << "\n";
if (!icon_image.IsEmpty())
fp << "\t" "icon_image" "\t" << icon_image << "\n";
if (!icon_image_alt.IsEmpty())
fp << "\t" "icon_image_alt" "\t" << icon_image_alt << "\n";
std::set<Checkable::Ptr> parents = host->GetParents();
if (!parents.empty()) {
fp << "\t" "parents" "\t";
DumpNameList(fp, parents);
fp << "\n";
}
ObjectLock olock(host);
fp << "\t" "check_interval" "\t" << (host->GetCheckInterval() / 60.0) << "\n"
"\t" "retry_interval" "\t" << (host->GetRetryInterval() / 60.0) << "\n"
"\t" "max_check_attempts" "\t" << host->GetMaxCheckAttempts() << "\n"
"\t" "active_checks_enabled" "\t" << Convert::ToLong(host->GetEnableActiveChecks()) << "\n"
"\t" "passive_checks_enabled" "\t" << Convert::ToLong(host->GetEnablePassiveChecks()) << "\n"
"\t" "notifications_enabled" "\t" << Convert::ToLong(host->GetEnableNotifications()) << "\n"
"\t" "notification_options" "\t" << GetNotificationOptions(host) << "\n"
"\t" "notification_interval" "\t" << CompatUtility::GetCheckableNotificationNotificationInterval(host) << "\n"
"\t" "event_handler_enabled" "\t" << Convert::ToLong(host->GetEnableEventHandler()) << "\n";
CheckCommand::Ptr checkcommand = host->GetCheckCommand();
if (checkcommand)
fp << "\t" "check_command" "\t" << CompatUtility::GetCommandName(checkcommand) << "!" << CompatUtility::GetCheckableCommandArgs(host) << "\n";
EventCommand::Ptr eventcommand = host->GetEventCommand();
if (eventcommand && host->GetEnableEventHandler())
fp << "\t" "event_handler" "\t" << CompatUtility::GetCommandName(eventcommand) << "\n";
TimePeriod::Ptr checkPeriod = host->GetCheckPeriod();
if (checkPeriod)
fp << "\t" "check_period" "\t" << checkPeriod->GetName() << "\n";
fp << "\t" "contacts" "\t";
DumpNameList(fp, CompatUtility::GetCheckableNotificationUsers(host));
fp << "\n";
fp << "\t" "contact_groups" "\t";
DumpNameList(fp, CompatUtility::GetCheckableNotificationUserGroups(host));
fp << "\n";
fp << "\t" << "initial_state" "\t" "o" "\n"
"\t" "low_flap_threshold" "\t" << host->GetFlappingThresholdLow() << "\n"
"\t" "high_flap_threshold" "\t" << host->GetFlappingThresholdHigh() << "\n"
"\t" "process_perf_data" "\t" << Convert::ToLong(host->GetEnablePerfdata()) << "\n"
"\t" "check_freshness" "\t" "1" "\n";
fp << "\t" "host_groups" "\t";
bool first = true;
Array::Ptr groups = host->GetGroups();
if (groups) {
ObjectLock olock(groups);
for (const String& name : groups) {
HostGroup::Ptr hg = HostGroup::GetByName(name);
if (hg) {
if (!first)
fp << ",";
else
first = false;
fp << hg->GetName();
}
}
}
fp << "\n";
DumpCustomAttributes(fp, host);
fp << "\t" "}" "\n" "\n";
}
String HostDbObject::CalculateConfigHash(const Dictionary::Ptr& configFields) const
{
String hashData = DbObject::CalculateConfigHash(configFields);
Host::Ptr host = static_pointer_cast<Host>(GetObject());
Array::Ptr groups = host->GetGroups();
if (groups)
hashData += DbObject::HashValue(groups);
Array::Ptr parents = new Array();
/* parents */
for (const Checkable::Ptr& checkable : host->GetParents()) {
Host::Ptr parent = dynamic_pointer_cast<Host>(checkable);
if (!parent)
continue;
parents->Add(parent->GetName());
}
parents->Sort();
hashData += DbObject::HashValue(parents);
Array::Ptr dependencies = new Array();
/* dependencies */
for (const Dependency::Ptr& dep : host->GetDependencies()) {
Checkable::Ptr parent = dep->GetParent();
if (!parent)
continue;
Array::Ptr depInfo = new Array();
depInfo->Add(parent->GetName());
depInfo->Add(dep->GetStateFilter());
depInfo->Add(dep->GetPeriodRaw());
dependencies->Add(depInfo);
}
dependencies->Sort();
hashData += DbObject::HashValue(dependencies);
Array::Ptr users = new Array();
for (const User::Ptr& user : CompatUtility::GetCheckableNotificationUsers(host)) {
users->Add(user->GetName());
}
users->Sort();
hashData += DbObject::HashValue(users);
Array::Ptr userGroups = new Array();
for (const UserGroup::Ptr& usergroup : CompatUtility::GetCheckableNotificationUserGroups(host)) {
userGroups->Add(usergroup->GetName());
}
userGroups->Sort();
hashData += DbObject::HashValue(userGroups);
return SHA256(hashData);
}
void HostDbObject::OnConfigUpdateHeavy(void)
{
Host::Ptr host = static_pointer_cast<Host>(GetObject());
/* groups */
Array::Ptr groups = host->GetGroups();
std::vector<DbQuery> queries;
DbQuery query1;
query1.Table = DbType::GetByName("HostGroup")->GetTable() + "_members";
query1.Type = DbQueryDelete;
query1.Category = DbCatConfig;
query1.WhereCriteria = new Dictionary();
query1.WhereCriteria->Set("host_object_id", host);
queries.push_back(query1);
if (groups) {
ObjectLock olock(groups);
for (const String& groupName : groups) {
HostGroup::Ptr group = HostGroup::GetByName(groupName);
DbQuery query2;
query2.Table = DbType::GetByName("HostGroup")->GetTable() + "_members";
query2.Type = DbQueryInsert;
query2.Category = DbCatConfig;
query2.Fields = new Dictionary();
query2.Fields->Set("instance_id", 0); /* DbConnection class fills in real ID */
query2.Fields->Set("hostgroup_id", DbValue::FromObjectInsertID(group));
query2.Fields->Set("host_object_id", host);
query2.WhereCriteria = new Dictionary();
query2.WhereCriteria->Set("instance_id", 0); /* DbConnection class fills in real ID */
query2.WhereCriteria->Set("hostgroup_id", DbValue::FromObjectInsertID(group));
query2.WhereCriteria->Set("host_object_id", host);
queries.push_back(query2);
}
}
DbObject::OnMultipleQueries(queries);
queries.clear();
DbQuery query2;
query2.Table = GetType()->GetTable() + "_parenthosts";
query2.Type = DbQueryDelete;
query2.Category = DbCatConfig;
query2.WhereCriteria = new Dictionary();
query2.WhereCriteria->Set(GetType()->GetTable() + "_id", DbValue::FromObjectInsertID(GetObject()));
queries.push_back(query2);
/* parents */
for (const Checkable::Ptr& checkable : host->GetParents()) {
Host::Ptr parent = dynamic_pointer_cast<Host>(checkable);
if (!parent)
continue;
Log(LogDebug, "HostDbObject")
<< "host parents: " << parent->GetName();
/* parents: host_id, parent_host_object_id */
Dictionary::Ptr fields1 = new Dictionary();
fields1->Set(GetType()->GetTable() + "_id", DbValue::FromObjectInsertID(GetObject()));
fields1->Set("parent_host_object_id", parent);
fields1->Set("instance_id", 0); /* DbConnection class fills in real ID */
DbQuery query1;
query1.Table = GetType()->GetTable() + "_parenthosts";
query1.Type = DbQueryInsert;
query1.Category = DbCatConfig;
query1.Fields = fields1;
queries.push_back(query1);
}
DbObject::OnMultipleQueries(queries);
/* host dependencies */
Log(LogDebug, "HostDbObject")
<< "host dependencies for '" << host->GetName() << "'";
queries.clear();
DbQuery query3;
query3.Table = GetType()->GetTable() + "dependencies";
query3.Type = DbQueryDelete;
query3.Category = DbCatConfig;
query3.WhereCriteria = new Dictionary();
query3.WhereCriteria->Set("dependent_host_object_id", host);
queries.push_back(query3);
for (const Dependency::Ptr& dep : host->GetDependencies()) {
Checkable::Ptr parent = dep->GetParent();
if (!parent) {
Log(LogDebug, "HostDbObject")
<< "Missing parent for dependency '" << dep->GetName() << "'.";
continue;
}
int state_filter = dep->GetStateFilter();
Log(LogDebug, "HostDbObject")
<< "parent host: " << parent->GetName();
Dictionary::Ptr fields2 = new Dictionary();
fields2->Set("host_object_id", parent);
fields2->Set("dependent_host_object_id", host);
fields2->Set("inherits_parent", 1);
fields2->Set("timeperiod_object_id", dep->GetPeriod());
fields2->Set("fail_on_up", (state_filter & StateFilterUp) ? 1 : 0);
fields2->Set("fail_on_down", (state_filter & StateFilterDown) ? 1 : 0);
fields2->Set("instance_id", 0); /* DbConnection class fills in real ID */
DbQuery query2;
query2.Table = GetType()->GetTable() + "dependencies";
query2.Type = DbQueryInsert;
query2.Category = DbCatConfig;
query2.Fields = fields2;
queries.push_back(query2);
}
DbObject::OnMultipleQueries(queries);
Log(LogDebug, "HostDbObject")
<< "host contacts: " << host->GetName();
queries.clear();
DbQuery query4;
query4.Table = GetType()->GetTable() + "_contacts";
query4.Type = DbQueryDelete;
query4.Category = DbCatConfig;
query4.WhereCriteria = new Dictionary();
query4.WhereCriteria->Set("host_id", DbValue::FromObjectInsertID(host));
queries.push_back(query4);
for (const User::Ptr& user : CompatUtility::GetCheckableNotificationUsers(host)) {
Log(LogDebug, "HostDbObject")
<< "host contacts: " << user->GetName();
Dictionary::Ptr fields_contact = new Dictionary();
fields_contact->Set("host_id", DbValue::FromObjectInsertID(host));
fields_contact->Set("contact_object_id", user);
fields_contact->Set("instance_id", 0); /* DbConnection class fills in real ID */
DbQuery query_contact;
query_contact.Table = GetType()->GetTable() + "_contacts";
query_contact.Type = DbQueryInsert;
query_contact.Category = DbCatConfig;
query_contact.Fields = fields_contact;
queries.push_back(query_contact);
}
DbObject::OnMultipleQueries(queries);
Log(LogDebug, "HostDbObject")
<< "host contactgroups: " << host->GetName();
queries.clear();
DbQuery query5;
query5.Table = GetType()->GetTable() + "_contactgroups";
query5.Type = DbQueryDelete;
query5.Category = DbCatConfig;
query5.WhereCriteria = new Dictionary();
query5.WhereCriteria->Set("host_id", DbValue::FromObjectInsertID(host));
queries.push_back(query5);
for (const UserGroup::Ptr& usergroup : CompatUtility::GetCheckableNotificationUserGroups(host)) {
Log(LogDebug, "HostDbObject")
<< "host contactgroups: " << usergroup->GetName();
Dictionary::Ptr fields_contact = new Dictionary();
fields_contact->Set("host_id", DbValue::FromObjectInsertID(host));
fields_contact->Set("contactgroup_object_id", usergroup);
fields_contact->Set("instance_id", 0); /* DbConnection class fills in real ID */
DbQuery query_contact;
query_contact.Table = GetType()->GetTable() + "_contactgroups";
query_contact.Type = DbQueryInsert;
query_contact.Category = DbCatConfig;
query_contact.Fields = fields_contact;
queries.push_back(query_contact);
}
DbObject::OnMultipleQueries(queries);
DoCommonConfigUpdate();
}