BOOST_FOREACH(const Zone::Ptr& zone, ConfigType::GetObjectsByType<Zone>()) {
/* don't connect to global zones */
if (zone->GetGlobal())
continue;
/* only connect to endpoints in a) the same zone b) our parent zone c) immediate child zones */
if (my_zone != zone && my_zone != zone->GetParent() && zone != my_zone->GetParent()) {
Log(LogDebug, "ApiListener")
<< "Not connecting to Zone '" << zone->GetName()
<< "' because it's not in the same zone, a parent or a child zone.";
continue;
}
BOOST_FOREACH(const Endpoint::Ptr& endpoint, zone->GetEndpoints()) {
/* don't connect to ourselves */
if (endpoint == GetLocalEndpoint()) {
Log(LogDebug, "ApiListener")
<< "Not connecting to Endpoint '" << endpoint->GetName() << "' because that's us.";
continue;
}
/* don't try to connect to endpoints which don't have a host and port */
if (endpoint->GetHost().IsEmpty() || endpoint->GetPort().IsEmpty()) {
Log(LogDebug, "ApiListener")
<< "Not connecting to Endpoint '" << endpoint->GetName()
<< "' because the host/port attributes are missing.";
continue;
}
/* don't try to connect if there's already a connection attempt */
if (endpoint->GetConnecting()) {
Log(LogDebug, "ApiListener")
<< "Not connecting to Endpoint '" << endpoint->GetName()
<< "' because we're already trying to connect to it.";
continue;
}
/* don't try to connect if we're already connected */
if (endpoint->GetConnected()) {
Log(LogDebug, "ApiListener")
<< "Not connecting to Endpoint '" << endpoint->GetName()
<< "' because we're already connected to it.";
continue;
}
boost::thread thread(boost::bind(&ApiListener::AddConnection, this, endpoint));
thread.detach();
}
}
Dictionary::Ptr ZoneDbObject::GetConfigFields() const
{
Zone::Ptr zone = static_pointer_cast<Zone>(GetObject());
return new Dictionary({
{ "is_global", zone->IsGlobal() ? 1 : 0 },
{ "parent_zone_object_id", zone->GetParent() }
});
}
Dictionary::Ptr ZoneDbObject::GetStatusFields() const
{
Zone::Ptr zone = static_pointer_cast<Zone>(GetObject());
Log(LogDebug, "ZoneDbObject")
<< "update status for zone '" << zone->GetName() << "'";
return new Dictionary({
{ "parent_zone_object_id", zone->GetParent() }
});
}
bool Zone::IsChildOf(const Zone::Ptr& zone)
{
Zone::Ptr azone = this;
while (azone) {
if (azone == zone)
return true;
azone = azone->GetParent();
}
return false;
}
void Checkable::OnAllConfigLoaded(void)
{
ObjectImpl<Checkable>::OnAllConfigLoaded();
Endpoint::Ptr endpoint = GetCommandEndpoint();
if (endpoint) {
Zone::Ptr checkableZone = static_pointer_cast<Zone>(GetZone());
if (!checkableZone)
checkableZone = Zone::GetLocalZone();
Zone::Ptr cmdZone = endpoint->GetZone();
if (checkableZone && cmdZone != checkableZone && cmdZone->GetParent() != checkableZone) {
BOOST_THROW_EXCEPTION(ValidationError(this, boost::assign::list_of("command_endpoint"),
"Command endpoint must be in zone '" + checkableZone->GetName() + "' or in a direct child zone thereof."));
}
}
}
void Checkable::OnAllConfigLoaded()
{
ObjectImpl<Checkable>::OnAllConfigLoaded();
Endpoint::Ptr endpoint = GetCommandEndpoint();
if (endpoint) {
Zone::Ptr checkableZone = static_pointer_cast<Zone>(GetZone());
if (checkableZone) {
Zone::Ptr cmdZone = endpoint->GetZone();
if (cmdZone != checkableZone && cmdZone->GetParent() != checkableZone) {
BOOST_THROW_EXCEPTION(ValidationError(this, { "command_endpoint" },
"Command endpoint must be in zone '" + checkableZone->GetName() + "' or in a direct child zone thereof."));
}
} else {
BOOST_THROW_EXCEPTION(ValidationError(this, { "command_endpoint" },
"Command endpoint must not be set."));
}
}
}
bool ApiListener::RelayMessageOne(const Zone::Ptr& targetZone, const MessageOrigin::Ptr& origin, const Dictionary::Ptr& message, const Endpoint::Ptr& currentMaster)
{
ASSERT(targetZone);
Zone::Ptr myZone = Zone::GetLocalZone();
/* only relay the message to a) the same zone, b) the parent zone and c) direct child zones. Exception is a global zone. */
if (!targetZone->GetGlobal() &&
targetZone != myZone &&
targetZone != myZone->GetParent() &&
targetZone->GetParent() != myZone) {
return true;
}
Endpoint::Ptr myEndpoint = GetLocalEndpoint();
std::vector<Endpoint::Ptr> skippedEndpoints;
bool relayed = false, log_needed = false, log_done = false;
std::set<Endpoint::Ptr> targetEndpoints;
if (targetZone->GetGlobal()) {
targetEndpoints = myZone->GetEndpoints();
for (const Zone::Ptr& zone : ConfigType::GetObjectsByType<Zone>()) {
/* Fetch immediate child zone members */
if (zone->GetParent() == myZone) {
std::set<Endpoint::Ptr> endpoints = zone->GetEndpoints();
targetEndpoints.insert(endpoints.begin(), endpoints.end());
}
}
} else {
targetEndpoints = targetZone->GetEndpoints();
}
for (const Endpoint::Ptr& endpoint : targetEndpoints) {
/* don't relay messages to ourselves */
if (endpoint == GetLocalEndpoint())
continue;
log_needed = true;
/* don't relay messages to disconnected endpoints */
if (!endpoint->GetConnected()) {
if (targetZone == myZone)
log_done = false;
continue;
}
log_done = true;
/* don't relay the message to the zone through more than one endpoint unless this is our own zone */
if (relayed && targetZone != myZone) {
skippedEndpoints.push_back(endpoint);
continue;
}
/* don't relay messages back to the endpoint which we got the message from */
if (origin && origin->FromClient && endpoint == origin->FromClient->GetEndpoint()) {
skippedEndpoints.push_back(endpoint);
continue;
}
/* don't relay messages back to the zone which we got the message from */
if (origin && origin->FromZone && targetZone == origin->FromZone) {
skippedEndpoints.push_back(endpoint);
continue;
}
/* only relay message to the master if we're not currently the master */
if (currentMaster != myEndpoint && currentMaster != endpoint) {
skippedEndpoints.push_back(endpoint);
continue;
}
relayed = true;
SyncSendMessage(endpoint, message);
}
if (!skippedEndpoints.empty()) {
double ts = message->Get("ts");
for (const Endpoint::Ptr& endpoint : skippedEndpoints)
endpoint->SetLocalLogPosition(ts);
}
return !log_needed || log_done;
}
void ApiListener::SyncClient(const JsonRpcConnection::Ptr& aclient, const Endpoint::Ptr& endpoint, bool needSync)
{
Zone::Ptr eZone = endpoint->GetZone();
try {
{
ObjectLock olock(endpoint);
endpoint->SetSyncing(true);
}
Zone::Ptr myZone = Zone::GetLocalZone();
if (myZone->GetParent() == eZone) {
Log(LogInformation, "ApiListener")
<< "Requesting new certificate for this Icinga instance from endpoint '" << endpoint->GetName() << "'.";
JsonRpcConnection::SendCertificateRequest(aclient, nullptr, String());
if (Utility::PathExists(ApiListener::GetCertificateRequestsDir()))
Utility::Glob(ApiListener::GetCertificateRequestsDir() + "/*.json", std::bind(&JsonRpcConnection::SendCertificateRequest, aclient, nullptr, _1), GlobFile);
}
/* Make sure that the config updates are synced
* before the logs are replayed.
*/
Log(LogInformation, "ApiListener")
<< "Sending config updates for endpoint '" << endpoint->GetName() << "' in zone '" << eZone->GetName() << "'.";
/* sync zone file config */
SendConfigUpdate(aclient);
Log(LogInformation, "ApiListener")
<< "Finished sending config file updates for endpoint '" << endpoint->GetName() << "' in zone '" << eZone->GetName() << "'.";
/* sync runtime config */
SendRuntimeConfigObjects(aclient);
Log(LogInformation, "ApiListener")
<< "Finished sending runtime config updates for endpoint '" << endpoint->GetName() << "' in zone '" << eZone->GetName() << "'.";
if (!needSync) {
ObjectLock olock2(endpoint);
endpoint->SetSyncing(false);
return;
}
Log(LogInformation, "ApiListener")
<< "Sending replay log for endpoint '" << endpoint->GetName() << "' in zone '" << eZone->GetName() << "'.";
ReplayLog(aclient);
if (eZone == Zone::GetLocalZone())
UpdateObjectAuthority();
Log(LogInformation, "ApiListener")
<< "Finished sending replay log for endpoint '" << endpoint->GetName() << "' in zone '" << eZone->GetName() << "'.";
} catch (const std::exception& ex) {
{
ObjectLock olock2(endpoint);
endpoint->SetSyncing(false);
}
Log(LogCritical, "ApiListener")
<< "Error while syncing endpoint '" << endpoint->GetName() << "': " << DiagnosticInformation(ex, false);
Log(LogDebug, "ApiListener")
<< "Error while syncing endpoint '" << endpoint->GetName() << "': " << DiagnosticInformation(ex);
}
Log(LogInformation, "ApiListener")
<< "Finished syncing endpoint '" << endpoint->GetName() << "' in zone '" << eZone->GetName() << "'.";
}