func resourceMemberV2Create(d *schema.ResourceData, meta interface{}) error {
	config := meta.(*Config)
	networkingClient, err := config.networkingV2Client(d.Get("region").(string))
	if err != nil {
		return fmt.Errorf("Error creating OpenStack networking client: %s", err)
	}

	subnetID := d.Get("subnet_id").(string)
	adminStateUp := d.Get("admin_state_up").(bool)
	createOpts := pools.MemberCreateOpts{
		Name:         d.Get("name").(string),
		TenantID:     d.Get("tenant_id").(string),
		Address:      d.Get("address").(string),
		ProtocolPort: d.Get("protocol_port").(int),
		Weight:       d.Get("weight").(int),
		AdminStateUp: &adminStateUp,
	}
	// Must omit if not set
	if subnetID != "" {
		createOpts.SubnetID = subnetID
	}

	poolID := d.Get("pool_id").(string)

	log.Printf("[DEBUG] Create Options: %#v", createOpts)
	member, err := pools.CreateAssociateMember(networkingClient, poolID, createOpts).ExtractMember()
	if err != nil {
		return fmt.Errorf("Error creating OpenStack LBaaSV2 member: %s", err)
	}
	log.Printf("[INFO] member ID: %s", member.ID)

	log.Printf("[DEBUG] Waiting for Openstack LBaaSV2 member (%s) to become available.", member.ID)

	stateConf := &resource.StateChangeConf{
		Pending:    []string{"PENDING_CREATE"},
		Target:     []string{"ACTIVE"},
		Refresh:    waitForMemberActive(networkingClient, poolID, member.ID),
		Timeout:    2 * time.Minute,
		Delay:      5 * time.Second,
		MinTimeout: 3 * time.Second,
	}

	_, err = stateConf.WaitForState()
	if err != nil {
		return err
	}

	d.SetId(member.ID)

	return resourceMemberV2Read(d, meta)
}

func createMember(t *testing.T, subnetID string, poolID string, address string, protocolPort int, weight int) string {
	m, err := pools.CreateAssociateMember(base.Client, poolID, pools.MemberCreateOpts{
		SubnetID:     subnetID,
		Address:      address,
		ProtocolPort: protocolPort,
		Weight:       weight,
		Name:         "tmp_member",
	}).ExtractMember()

	th.AssertNoErr(t, err)

	t.Logf("Created Member, ID %s", m.ID)

	return m.ID
}

//.........这里部分代码省略.........
	// Get all pools for this loadbalancer, by listener ID.
	lbPools := make(map[string]v2pools.Pool)
	err = v2pools.List(lbaas.network, v2pools.ListOpts{LoadbalancerID: loadbalancer.ID}).EachPage(func(page pagination.Page) (bool, error) {
		poolsList, err := v2pools.ExtractPools(page)
		if err != nil {
			return false, err
		}
		for _, p := range poolsList {
			for _, l := range p.Listeners {
				// Double check this Pool belongs to the LB we're deleting. Neutron's API filtering
				// can't be counted on in older releases (i.e Liberty).
				for _, val := range lbListeners {
					if val.ID == l.ID {
						lbPools[l.ID] = p
						break
					}
				}
			}
		}
		return true, nil
	})
	if err != nil {
		return err
	}

	// Compose Set of member (addresses) that _should_ exist
	addrs := map[string]empty{}
	for _, nodeName := range nodeNames {
		addr, err := getAddressByName(lbaas.compute, types.NodeName(nodeName))
		if err != nil {
			return err
		}
		addrs[addr] = empty{}
	}

	// Check for adding/removing members associated with each port
	for _, port := range ports {
		// Get listener associated with this port
		listener, ok := lbListeners[portKey{
			Protocol: string(port.Protocol),
			Port:     int(port.Port),
		}]
		if !ok {
			return fmt.Errorf("Loadbalancer %s does not contain required listener for port %d and protocol %s", loadBalancerName, port.Port, port.Protocol)
		}

		// Get pool associated with this listener
		pool, ok := lbPools[listener.ID]
		if !ok {
			return fmt.Errorf("Loadbalancer %s does not contain required pool for listener %s", loadBalancerName, listener.ID)
		}

		// Find existing pool members (by address) for this port
		members := make(map[string]v2pools.Member)
		err := v2pools.ListAssociateMembers(lbaas.network, pool.ID, v2pools.MemberListOpts{}).EachPage(func(page pagination.Page) (bool, error) {
			membersList, err := v2pools.ExtractMembers(page)
			if err != nil {
				return false, err
			}
			for _, member := range membersList {
				members[member.Address] = member
			}
			return true, nil
		})
		if err != nil {
			return err
		}

		// Add any new members for this port
		for addr := range addrs {
			if _, ok := members[addr]; ok && members[addr].ProtocolPort == int(port.NodePort) {
				// Already exists, do not create member
				continue
			}
			_, err := v2pools.CreateAssociateMember(lbaas.network, pool.ID, v2pools.MemberCreateOpts{
				Address:      addr,
				ProtocolPort: int(port.NodePort),
				SubnetID:     lbaas.opts.SubnetId,
			}).Extract()
			if err != nil {
				return err
			}
			waitLoadbalancerActiveProvisioningStatus(lbaas.network, loadbalancer.ID)
		}

		// Remove any old members for this port
		for _, member := range members {
			if _, ok := addrs[member.Address]; ok && member.ProtocolPort == int(port.NodePort) {
				// Still present, do not delete member
				continue
			}
			err = v2pools.DeleteMember(lbaas.network, pool.ID, member.ID).ExtractErr()
			if err != nil && !isNotFound(err) {
				return err
			}
			waitLoadbalancerActiveProvisioningStatus(lbaas.network, loadbalancer.ID)
		}
	}
	return nil
}

//.........这里部分代码省略.........
			pool, err = v2pools.Create(lbaas.network, v2pools.CreateOpts{
				Name:        fmt.Sprintf("pool_%s_%d", name, portIndex),
				Protocol:    v2pools.Protocol(port.Protocol),
				LBMethod:    lbmethod,
				ListenerID:  listener.ID,
				Persistence: persistence,
			}).Extract()
			if err != nil {
				// Unknown error, retry later
				return nil, fmt.Errorf("Error creating pool for listener %s: %v", listener.ID, err)
			}
			waitLoadbalancerActiveProvisioningStatus(lbaas.network, loadbalancer.ID)
		}

		glog.V(4).Infof("Pool for listener %s: %s", listener.ID, pool.ID)
		members, err := getMembersByPoolID(lbaas.network, pool.ID)
		if err != nil && !isNotFound(err) {
			return nil, fmt.Errorf("Error getting pool members %s: %v", pool.ID, err)
		}
		for _, nodeName := range nodeNames {
			addr, err := getAddressByName(lbaas.compute, types.NodeName(nodeName))
			if err != nil {
				if err == ErrNotFound {
					// Node failure, do not create member
					glog.Warningf("Failed to create LB pool member for node %s: %v", nodeName, err)
					continue
				} else {
					return nil, fmt.Errorf("Error getting address for node %s: %v", nodeName, err)
				}
			}

			if !memberExists(members, addr, int(port.NodePort)) {
				glog.V(4).Infof("Creating member for pool %s", pool.ID)
				_, err := v2pools.CreateAssociateMember(lbaas.network, pool.ID, v2pools.MemberCreateOpts{
					ProtocolPort: int(port.NodePort),
					Address:      addr,
					SubnetID:     lbaas.opts.SubnetId,
				}).Extract()
				if err != nil {
					return nil, fmt.Errorf("Error creating LB pool member for node: %s, %v", nodeName, err)
				}

				waitLoadbalancerActiveProvisioningStatus(lbaas.network, loadbalancer.ID)
			} else {
				// After all members have been processed, remaining members are deleted as obsolete.
				members = popMember(members, addr, int(port.NodePort))
			}

			glog.V(4).Infof("Ensured pool %s has member for %s at %s", pool.ID, nodeName, addr)
		}

		// Delete obsolete members for this pool
		for _, member := range members {
			glog.V(4).Infof("Deleting obsolete member %s for pool %s address %s", member.ID, pool.ID, member.Address)
			err := v2pools.DeleteMember(lbaas.network, pool.ID, member.ID).ExtractErr()
			if err != nil && !isNotFound(err) {
				return nil, fmt.Errorf("Error deleting obsolete member %s for pool %s address %s: %v", member.ID, pool.ID, member.Address, err)
			}
			waitLoadbalancerActiveProvisioningStatus(lbaas.network, loadbalancer.ID)
		}

		monitorID := pool.MonitorID
		if monitorID == "" && lbaas.opts.CreateMonitor {
			glog.V(4).Infof("Creating monitor for pool %s", pool.ID)
			monitor, err := v2monitors.Create(lbaas.network, v2monitors.CreateOpts{
				PoolID:     pool.ID,

func (lbaas *LbaasV2) UpdateLoadBalancer(service *api.Service, hosts []string) error {
	loadBalancerName := cloudprovider.GetLoadBalancerName(service)
	glog.V(4).Infof("UpdateLoadBalancer(%v, %v)", loadBalancerName, hosts)

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

	loadbalancer, err := getLoadbalancerByName(lbaas.network, loadBalancerName)
	if err != nil {
		return err
	}
	if loadbalancer == nil {
		return fmt.Errorf("Loadbalancer %s does not exist", loadBalancerName)
	}

	// Set of member (addresses) that _should_ exist
	addrs := map[string]bool{}
	for _, host := range hosts {
		addr, err := getAddressByName(lbaas.compute, host)
		if err != nil {
			return err
		}
		addrs[addr] = true
	}

	// Iterate over members in each pool that _do_ exist
	var poolID string
	err = v2_pools.List(lbaas.network, v2_pools.ListOpts{LoadbalancerID: loadbalancer.ID}).EachPage(func(page pagination.Page) (bool, error) {
		poolsList, err := v2_pools.ExtractPools(page)
		if err != nil {
			return false, err
		}

		for _, pool := range poolsList {
			poolID = pool.ID
			err := v2_pools.ListAssociateMembers(lbaas.network, poolID, v2_pools.MemberListOpts{}).EachPage(func(page pagination.Page) (bool, error) {
				membersList, err := v2_pools.ExtractMembers(page)
				if err != nil {
					return false, err
				}

				for _, member := range membersList {
					if _, found := addrs[member.Address]; found {
						// Member already exists, remove from update list
						delete(addrs, member.Address)
					} else {
						// Member needs to be deleted
						err = v2_pools.DeleteMember(lbaas.network, poolID, member.ID).ExtractErr()
						if err != nil {
							return false, err
						}
						waitLoadbalancerActiveProvisioningStatus(lbaas.network, loadbalancer.ID)
					}
				}

				return true, nil
			})
			if err != nil {
				return false, err
			}
		}
		return true, nil
	})
	if err != nil {
		return err
	}

	// Anything left in addrs is a new member that needs to be added to a pool
	for addr := range addrs {
		_, err := v2_pools.CreateAssociateMember(lbaas.network, poolID, v2_pools.MemberCreateOpts{
			Address:      addr,
			ProtocolPort: int(ports[0].NodePort),
			SubnetID:     lbaas.opts.SubnetId,
		}).Extract()
		if err != nil {
			return err
		}
		waitLoadbalancerActiveProvisioningStatus(lbaas.network, loadbalancer.ID)
	}

	return nil
}

//.........这里部分代码省略.........
	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
		_ = lbaas.EnsureLoadBalancerDeleted(apiService)
		return nil, err
	}

	for _, host := range hosts {
		addr, err := getAddressByName(lbaas.compute, host)
		if err != nil {
			return nil, err
		}

		waitLoadbalancerActiveProvisioningStatus(lbaas.network, loadbalancer.ID)

		_, err = v2_pools.CreateAssociateMember(lbaas.network, pool.ID, v2_pools.MemberCreateOpts{
			ProtocolPort: int(ports[0].NodePort), //TODO: need to handle multi-port
			Address:      addr,
			SubnetID:     lbaas.opts.SubnetId,
		}).Extract()
		if err != nil {
			// cleanup what was created so far
			_ = lbaas.EnsureLoadBalancerDeleted(apiService)
			return nil, err
		}
	}

	if lbaas.opts.CreateMonitor {
		waitLoadbalancerActiveProvisioningStatus(lbaas.network, loadbalancer.ID)

		_, err = v2_monitors.Create(lbaas.network, v2_monitors.CreateOpts{
			PoolID:     pool.ID,
			Type:       monitors.TypeTCP,
			Delay:      int(lbaas.opts.MonitorDelay.Duration.Seconds()),
			Timeout:    int(lbaas.opts.MonitorTimeout.Duration.Seconds()),
			MaxRetries: int(lbaas.opts.MonitorMaxRetries),
		}).Extract()
		if err != nil {
			// cleanup what was created so far
			_ = lbaas.EnsureLoadBalancerDeleted(apiService)
			return nil, err
		}
	}

	status := &api.LoadBalancerStatus{}

	status.Ingress = []api.LoadBalancerIngress{{IP: loadbalancer.VipAddress}}

	if lbaas.opts.FloatingNetworkId != "" {
		portID, err := getPortIDByIP(lbaas.network, loadbalancer.VipAddress)
		if err != nil {
			// cleanup what was created so far
			_ = lbaas.EnsureLoadBalancerDeleted(apiService)
			return nil, err
		}

		floatIPOpts := floatingips.CreateOpts{
			FloatingNetworkID: lbaas.opts.FloatingNetworkId,
			PortID:            portID,
		}
		floatIP, err := floatingips.Create(lbaas.network, floatIPOpts).Extract()
		if err != nil {
			// cleanup what was created so far
			_ = lbaas.EnsureLoadBalancerDeleted(apiService)
			return nil, err
		}

		status.Ingress = append(status.Ingress, api.LoadBalancerIngress{IP: floatIP.FloatingIP})
	}

	return status, nil
}

//.........这里部分代码省略.........
			pool, err = v2_pools.Create(lbaas.network, v2_pools.CreateOpts{
				Name:        fmt.Sprintf("pool_%s_%d", name, portIndex),
				Protocol:    v2_pools.Protocol(port.Protocol),
				LBMethod:    lbmethod,
				ListenerID:  listener.ID,
				Persistence: persistence,
			}).Extract()
			if err != nil {
				// Unknown error, retry later
				return nil, fmt.Errorf("Error creating pool for listener %s: %v", listener.ID, err)
			}
			waitLoadbalancerActiveProvisioningStatus(lbaas.network, loadbalancer.ID)
		}

		glog.V(4).Infof("Pool for listener %s: %s", listener.ID, pool.ID)
		members, err := getMembersByPoolID(lbaas.network, pool.ID)
		if err != nil && !isNotFound(err) {
			return nil, fmt.Errorf("Error getting pool members %s: %v", pool.ID, err)
		}
		for _, nodeName := range nodeNames {
			addr, err := getAddressByName(lbaas.compute, types.NodeName(nodeName))
			if err != nil {
				if err == ErrNotFound {
					// Node failure, do not create member
					glog.Warningf("Failed to create LB pool member for node %s: %v", nodeName, err)
					continue
				} else {
					return nil, fmt.Errorf("Error getting address for node %s: %v", nodeName, err)
				}
			}

			if !memberExists(members, addr) {
				glog.V(4).Infof("Creating member for pool %s", pool.ID)
				_, err := v2_pools.CreateAssociateMember(lbaas.network, pool.ID, v2_pools.MemberCreateOpts{
					ProtocolPort: int(port.NodePort),
					Address:      addr,
					SubnetID:     lbaas.opts.SubnetId,
				}).Extract()
				if err != nil {
					return nil, fmt.Errorf("Error creating LB pool member for node: %s, %v", nodeName, err)
				}

				waitLoadbalancerActiveProvisioningStatus(lbaas.network, loadbalancer.ID)
			}
			// After all members have been processed, remaining members are deleted as obsolete.
			members = popMember(members, addr)

			glog.V(4).Infof("Ensured pool %s has member for %s at %s", pool.ID, nodeName, addr)
		}

		// Delete obsolete members for this pool
		for _, member := range members {
			glog.V(4).Infof("Deleting obsolete member %s for pool %s address %s", member.ID, pool.ID, member.Address)
			err := v2_pools.DeleteMember(lbaas.network, pool.ID, member.ID).ExtractErr()
			if err != nil && !isNotFound(err) {
				return nil, fmt.Errorf("Error deleting obsolete member %s for pool %s address %s: %v", member.ID, pool.ID, member.Address, err)
			}
			waitLoadbalancerActiveProvisioningStatus(lbaas.network, loadbalancer.ID)
		}

		monitorID := pool.MonitorID
		if monitorID == "" && lbaas.opts.CreateMonitor {
			glog.V(4).Infof("Creating monitor for pool %s", pool.ID)
			monitor, err := v2_monitors.Create(lbaas.network, v2_monitors.CreateOpts{
				PoolID:     pool.ID,
				Type:       string(port.Protocol),