Golang CreateOpts.VipAddress方法代碼示例

func (lbaas *LbaasV2) createLoadBalancer(service *v1.Service, name string) (*loadbalancers.LoadBalancer, error) {
	createOpts := loadbalancers.CreateOpts{
		Name:        name,
		Description: fmt.Sprintf("Kubernetes external service %s", name),
		VipSubnetID: lbaas.opts.SubnetId,
	}

	loadBalancerIP := service.Spec.LoadBalancerIP
	if loadBalancerIP != "" {
		createOpts.VipAddress = loadBalancerIP
	}

	loadbalancer, err := loadbalancers.Create(lbaas.network, createOpts).Extract()
	if err != nil {
		return nil, fmt.Errorf("Error creating loadbalancer %v: %v", createOpts, err)
	}
	return loadbalancer, nil
}

func (lbaas *LbaasV2) EnsureLoadBalancer(apiService *api.Service, hosts []string) (*api.LoadBalancerStatus, error) {
	glog.V(4).Infof("EnsureLoadBalancer(%v, %v, %v, %v, %v, %v)", apiService.Namespace, apiService.Name, apiService.Spec.LoadBalancerIP, apiService.Spec.Ports, hosts, apiService.Annotations)

	ports := apiService.Spec.Ports
	if len(ports) > 1 {
		return nil, fmt.Errorf("multiple ports are not yet supported in openstack load balancers")
	} else if len(ports) == 0 {
		return nil, fmt.Errorf("no ports provided to openstack load balancer")
	}

	// The service controller verified all the protocols match on the ports, just check and use the first one
	// TODO: Convert all error messages to use an event recorder
	if ports[0].Protocol != api.ProtocolTCP {
		return nil, fmt.Errorf("Only TCP LoadBalancer is supported for openstack load balancers")
	}

	affinity := api.ServiceAffinityNone //apiService.Spec.SessionAffinity
	var persistence *v2_pools.SessionPersistence
	switch affinity {
	case api.ServiceAffinityNone:
		persistence = nil
	case api.ServiceAffinityClientIP:
		persistence = &v2_pools.SessionPersistence{Type: "SOURCE_IP"}
	default:
		return nil, fmt.Errorf("unsupported load balancer affinity: %v", affinity)
	}

	sourceRanges, err := service.GetLoadBalancerSourceRanges(apiService)
	if err != nil {
		return nil, err
	}

	if !service.IsAllowAll(sourceRanges) {
		return nil, fmt.Errorf("Source range restrictions are not supported for openstack load balancers")
	}

	glog.V(2).Infof("Checking if openstack load balancer already exists: %s", cloudprovider.GetLoadBalancerName(apiService))
	_, exists, err := lbaas.GetLoadBalancer(apiService)
	if err != nil {
		return nil, fmt.Errorf("error checking if openstack load balancer already exists: %v", err)
	}

	// TODO: Implement a more efficient update strategy for common changes than delete & create
	// In particular, if we implement hosts update, we can get rid of UpdateHosts
	if exists {
		err := lbaas.EnsureLoadBalancerDeleted(apiService)
		if err != nil {
			return nil, fmt.Errorf("error deleting existing openstack load balancer: %v", err)
		}
	}

	lbmethod := v2_pools.LBMethod(lbaas.opts.LBMethod)
	if lbmethod == "" {
		lbmethod = v2_pools.LBMethodRoundRobin
	}
	name := cloudprovider.GetLoadBalancerName(apiService)

	createOpts := loadbalancers.CreateOpts{
		Name:        name,
		Description: fmt.Sprintf("Kubernetes external service %s", name),
		VipSubnetID: lbaas.opts.SubnetId,
	}

	loadBalancerIP := apiService.Spec.LoadBalancerIP
	if loadBalancerIP != "" {
		createOpts.VipAddress = loadBalancerIP
	}

	loadbalancer, err := loadbalancers.Create(lbaas.network, createOpts).Extract()
	if err != nil {
		// cleanup what was created so far
		_ = lbaas.EnsureLoadBalancerDeleted(apiService)
		return nil, err
	}

	waitLoadbalancerActiveProvisioningStatus(lbaas.network, loadbalancer.ID)

	listener, err := listeners.Create(lbaas.network, listeners.CreateOpts{
		Name:           name,
		Protocol:       listeners.ProtocolTCP,
		ProtocolPort:   (int)(ports[0].Port), //TODO: need to handle multi-port
		LoadbalancerID: loadbalancer.ID,
	}).Extract()
	if err != nil {
		// cleanup what was created so far
		_ = lbaas.EnsureLoadBalancerDeleted(apiService)
		return nil, err
	}

	waitLoadbalancerActiveProvisioningStatus(lbaas.network, loadbalancer.ID)

	pool, err := v2_pools.Create(lbaas.network, v2_pools.CreateOpts{
		Name:        name,
		Protocol:    v2_pools.ProtocolTCP,
		LBMethod:    lbmethod,
		ListenerID:  listener.ID,
		Persistence: persistence,
	}).Extract()
	if err != nil {
		// cleanup what was created so far
//.........這裏部分代碼省略.........