public static function farmUpdateRoleSettings(DBFarmRole $DBFarmRole, $oldSettings, $newSettings) { //Conver OLD ELB settings into NEW ELB SETTINGS if ($newSettings[DBFarmRole::SETTING_BALANCING_USE_ELB] == 1 && !$newSettings[DBFarmRole::SETTING_AWS_ELB_ENABLED]) { $newSettings[DBFarmRole::SETTING_AWS_ELB_ENABLED] = 1; $newSettings[DBFarmRole::SETTING_AWS_ELB_ID] = $newSettings[DBFarmRole::SETTING_BALANCING_NAME]; $DBFarmRole->SetSetting(DBFarmRole::SETTING_AWS_ELB_ENABLED, 1, DBFarmRole::TYPE_CFG); $DBFarmRole->SetSetting(DBFarmRole::SETTING_AWS_ELB_ID, $newSettings[DBFarmRole::SETTING_BALANCING_NAME], DBFarmRole::TYPE_LCL); } //NEW ELB: try { $DBFarm = $DBFarmRole->GetFarmObject(); $elb = $DBFarm->GetEnvironmentObject()->aws($DBFarmRole)->elb; /* * aws.elb.enabled * aws.elb.id":"scalr-97f8a108ce4100-775", * aws.elb.remove */ if ($newSettings[DBFarmRole::SETTING_AWS_ELB_ENABLED]) { if ($oldSettings[DBFarmRole::SETTING_AWS_ELB_ID] == $newSettings[DBFarmRole::SETTING_AWS_ELB_ID]) { return true; } $service = FarmRoleService::findFarmRoleService($DBFarm->EnvID, $newSettings[DBFarmRole::SETTING_AWS_ELB_ID]); if (!$service) { // Setup new service // ADD ELB to role_cloud_services $service = new FarmRoleService($DBFarmRole, $newSettings[DBFarmRole::SETTING_AWS_ELB_ID]); $service->setType(FarmRoleService::SERVICE_AWS_ELB); } else { if ($service->getEnvId() == $DBFarmRole->GetFarmObject()->EnvID) { $service->setFarmRole($DBFarmRole); } else { $DBFarmRole->SetSetting(DBFarmRole::SETTING_AWS_ELB_ID, $oldSettings[DBFarmRole::SETTING_AWS_ELB_ID]); throw new \Exception("ELB already used on another scalr account/environment"); } } $service->save(); // Add running instances to ELB $servers = $DBFarmRole->GetServersByFilter(array('status' => \SERVER_STATUS::RUNNING)); $newInstances = array(); foreach ($servers as $DBServer) { $newInstances[] = $DBServer->GetProperty(\EC2_SERVER_PROPERTIES::INSTANCE_ID); } try { if (count($newInstances) > 0) { $elb->loadBalancer->registerInstances($newSettings[DBFarmRole::SETTING_AWS_ELB_ID], $newInstances); } } catch (\Exception $e) { } try { //Check and deregister old instances instances $list = $elb->loadBalancer->describeInstanceHealth($newSettings[DBFarmRole::SETTING_AWS_ELB_ID], array()); /* @var $instance \Scalr\Service\Aws\Elb\DataType\InstanceStateData */ $instances = array(); foreach ($list as $instance) { if (!in_array($instance->instanceId, $newInstances)) { array_push($instances, $instance->instanceId); } } if (count($instances) > 0) { $elb->loadBalancer->deregisterInstances($newSettings[DBFarmRole::SETTING_AWS_ELB_ID], $instances); } } catch (\Exception $e) { } } else { $clearSettings = true; } // Remove OLD ELB if ($oldSettings[DBFarmRole::SETTING_AWS_ELB_ID]) { $oldService = FarmRoleService::findFarmRoleService($DBFarm->EnvID, $oldSettings[DBFarmRole::SETTING_AWS_ELB_ID]); if ($oldService && $oldService->getFarmRole()->ID == $DBFarmRole->ID) { $oldService->remove(); } if ($newSettings['aws.elb.remove']) { $elb->loadBalancer->delete($oldSettings[DBFarmRole::SETTING_AWS_ELB_ID]); } } if ($clearSettings) { $DBFarmRole->ClearSettings("aws.elb."); } // Check and remove OLD ELB settings if ($newSettings['aws.elb.enabled'] && $DBFarmRole->GetSetting(DBFarmRole::SETTING_BALANCING_HOSTNAME)) { $DBFarmRole->SetSetting(DBFarmRole::SETTING_BALANCING_NAME, null, DBFarmRole::TYPE_LCL); $DBFarmRole->SetSetting(DBFarmRole::SETTING_BALANCING_HOSTNAME, null, DBFarmRole::TYPE_LCL); $DBFarmRole->SetSetting(DBFarmRole::SETTING_BALANCING_USE_ELB, null, DBFarmRole::TYPE_LCL); $DBFarmRole->SetSetting(DBFarmRole::SETTING_BALANCING_HC_HASH, null, DBFarmRole::TYPE_LCL); $DBFarmRole->ClearSettings("lb.avail_zone"); $DBFarmRole->ClearSettings("lb.healthcheck"); $DBFarmRole->ClearSettings("lb.role.listener"); } } catch (\Exception $e) { throw new \Exception("Error with ELB on Role '{$DBFarmRole->GetRoleObject()->name}': {$e->getMessage()}"); } //OLD ELB /* try { // Load balancer settings if ($newSettings[DBFarmRole::SETTING_BALANCING_USE_ELB] == 1) { // Listeners $DBFarmRole->ClearSettings("lb.role.listener"); $listenersList = new ListenerList(); $li = 0; foreach ($newSettings as $sk => $sv) { if (stristr($sk, "lb.role.listener")) { $li++; $listener_chunks = explode("#", $sv); $listenersList->append(new ListenerData( trim($listener_chunks[1]), trim($listener_chunks[2]), trim($listener_chunks[0]), null, trim($listener_chunks[3]) )); $DBFarmRole->SetSetting("lb.role.listener.{$li}", str_replace(" ", "", $sv)); } } $avail_zones = array(); $avail_zones_setting_hash = ""; foreach ($newSettings as $skey => $sval) { if (preg_match("/^lb.avail_zone.(.*)?$/", $skey, $macthes)) { if ($macthes[1] != 'hash' && $macthes[1] != '.hash') { if ($sval == 1) { array_push($avail_zones, $macthes[1]); } $avail_zones_setting_hash .= "[{$macthes[1]}:{$sval}]"; } } } if (!$DBFarmRole->GetSetting(DBFarmRole::SETTING_BALANCING_HOSTNAME)) { $elb_name = sprintf("scalr-%s-%s", $DBFarm->Hash, rand(100,999)); //Creates a new ELB $elb_dns_name = $elb->loadBalancer->create($elb_name, $listenersList, $avail_zones); if (!empty($elb_dns_name)) { $DBFarmRole->SetSetting(DBFarmRole::SETTING_BALANCING_HOSTNAME, $elb_dns_name); $DBFarmRole->SetSetting(DBFarmRole::SETTING_BALANCING_NAME, $elb_name); $DBFarmRole->SetSetting(DBFarmRole::SETTING_BALANCING_AZ_HASH, $avail_zones_setting_hash); $register_servers = true; } } if ($DBFarmRole->GetSetting(DBFarmRole::SETTING_BALANCING_NAME)) { $healthCheckType = new HealthCheckData(); $healthCheckType->target = $newSettings[DBFarmRole::SETTING_BALANCING_HC_TARGET]; $healthCheckType->healthyThreshold = $newSettings[DBFarmRole::SETTING_BALANCING_HC_HTH]; $healthCheckType->interval = $newSettings[DBFarmRole::SETTING_BALANCING_HC_INTERVAL]; $healthCheckType->timeout = $newSettings[DBFarmRole::SETTING_BALANCING_HC_TIMEOUT]; $healthCheckType->unhealthyThreshold = $newSettings[DBFarmRole::SETTING_BALANCING_HC_UTH]; $hash = md5(serialize(array( $healthCheckType->target, $healthCheckType->healthyThreshold, $healthCheckType->interval, $healthCheckType->timeout, $healthCheckType->unhealthyThreshold, ))); if ($elb_name || ($hash != $DBFarmRole->GetSetting(DBFarmRole::SETTING_BALANCING_HC_HASH))) { //Updates current Elb $elb->loadBalancer->configureHealthCheck( $DBFarmRole->GetSetting(DBFarmRole::SETTING_BALANCING_NAME), $healthCheckType ); $DBFarmRole->SetSetting(DBFarmRole::SETTING_BALANCING_HC_HASH, $hash); } // Configure AVAIL zones for the LB if (!$elb_name && $avail_zones_setting_hash != $DBFarmRole->GetSetting(DBFarmRole::SETTING_BALANCING_AZ_HASH)) { $lb = $elb->loadBalancer->describe($DBFarmRole->GetSetting(DBFarmRole::SETTING_BALANCING_NAME))->get(0); $add_avail_zones = array(); $rem_avail_zones = array(); foreach ($newSettings as $skey => $sval) { if (preg_match("/^lb.avail_zone.(.*)?$/", $skey, $m)) { if ($sval == 1 && !in_array($m[1], $lb->availabilityZones)) { array_push($add_avail_zones, $m[1]); } if ($sval == 0 && in_array($m[1], $lb->availabilityZones)) { array_push($rem_avail_zones, $m[1]); } } } if (count($add_avail_zones) > 0) { $lb->enableAvailabilityZones($add_avail_zones); } if (count($rem_avail_zones) > 0) { $lb->disableAvailabilityZones($rem_avail_zones); } $DBFarmRole->SetSetting(DBFarmRole::SETTING_BALANCING_AZ_HASH, $avail_zones_setting_hash); } } if ($register_servers) { $servers = $DBFarmRole->GetServersByFilter(array('status' => SERVER_STATUS::RUNNING)); $instances = array(); foreach ($servers as $DBServer) { $instances[] = $DBServer->GetProperty(EC2_SERVER_PROPERTIES::INSTANCE_ID); } if (count($instances) > 0) { $elb->loadBalancer->registerInstances($elb_name, $instances); } } } else { if ($oldSettings[DBFarmRole::SETTING_BALANCING_HOSTNAME]) { try { $elb->loadBalancer->delete($DBFarmRole->GetSetting(DBFarmRole::SETTING_BALANCING_NAME)); } catch (\Exception $e) { } $DBFarmRole->SetSetting(DBFarmRole::SETTING_BALANCING_NAME, ""); $DBFarmRole->SetSetting(DBFarmRole::SETTING_BALANCING_HOSTNAME, ""); $DBFarmRole->SetSetting(DBFarmRole::SETTING_BALANCING_USE_ELB, "0"); $DBFarmRole->SetSetting(DBFarmRole::SETTING_BALANCING_HC_HASH, ""); $DBFarmRole->ClearSettings("lb.avail_zone"); $DBFarmRole->ClearSettings("lb.healthcheck"); $DBFarmRole->ClearSettings("lb.role.listener"); } } } catch (\Exception $e) { throw new \Exception("Error with ELB on Role '{$DBFarmRole->GetRoleObject()->name}': {$e->getMessage()}"); } */ }