Golang monitors.Delete函数代码示例

func deleteMonitor(t *testing.T, monitorID string) {
	res := monitors.Delete(base.Client, monitorID)

	th.AssertNoErr(t, res.Err)

	t.Logf("Deleted monitor %s", monitorID)
}

func (lb *LoadBalancer) EnsureTCPLoadBalancerDeleted(name, region string) error {
	glog.V(4).Infof("EnsureTCPLoadBalancerDeleted(%v, %v)", name, region)

	vip, err := getVipByName(lb.network, name)
	if err != nil && err != ErrNotFound {
		return err
	}

	// We have to delete the VIP before the pool can be deleted,
	// so no point continuing if this fails.
	if vip != nil {
		err := vips.Delete(lb.network, vip.ID).ExtractErr()
		if err != nil && !isNotFound(err) {
			return err
		}
	}

	var pool *pools.Pool
	if vip != nil {
		pool, err = pools.Get(lb.network, vip.PoolID).Extract()
		if err != nil && !isNotFound(err) {
			return err
		}
	} else {
		// The VIP is gone, but it is conceivable that a Pool
		// still exists that we failed to delete on some
		// previous occasion.  Make a best effort attempt to
		// cleanup any pools with the same name as the VIP.
		pool, err = getPoolByName(lb.network, name)
		if err != nil && err != ErrNotFound {
			return err
		}
	}

	if pool != nil {
		for _, monId := range pool.MonitorIDs {
			_, err = pools.DisassociateMonitor(lb.network, pool.ID, monId).Extract()
			if err != nil {
				return err
			}

			err = monitors.Delete(lb.network, monId).ExtractErr()
			if err != nil && !isNotFound(err) {
				return err
			}
		}
		err = pools.Delete(lb.network, pool.ID).ExtractErr()
		if err != nil && !isNotFound(err) {
			return err
		}
	}

	return nil
}

func resourceLBMonitorV1Delete(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)
	}

	err = monitors.Delete(networkingClient, d.Id()).ExtractErr()
	if err != nil {
		return fmt.Errorf("Error deleting OpenStack LB Monitor: %s", err)
	}

	d.SetId("")
	return nil
}

func waitForLBMonitorDelete(networkingClient *gophercloud.ServiceClient, monitorId string) resource.StateRefreshFunc {
	return func() (interface{}, string, error) {
		log.Printf("[DEBUG] Attempting to delete OpenStack LB Monitor %s", monitorId)

		m, err := monitors.Get(networkingClient, monitorId).Extract()
		if err != nil {
			errCode, ok := err.(*gophercloud.UnexpectedResponseCodeError)
			if !ok {
				return m, "ACTIVE", err
			}
			if errCode.Actual == 404 {
				log.Printf("[DEBUG] Successfully deleted OpenStack LB Monitor %s", monitorId)
				return m, "DELETED", nil
			}
			if errCode.Actual == 409 {
				log.Printf("[DEBUG] OpenStack LB Monitor (%s) is waiting for Pool to delete.", monitorId)
				return m, "PENDING", nil
			}
		}

		log.Printf("[DEBUG] OpenStack LB Monitor: %+v", m)
		err = monitors.Delete(networkingClient, monitorId).ExtractErr()
		if err != nil {
			errCode, ok := err.(*gophercloud.UnexpectedResponseCodeError)
			if !ok {
				return m, "ACTIVE", err
			}
			if errCode.Actual == 404 {
				log.Printf("[DEBUG] Successfully deleted OpenStack LB Monitor %s", monitorId)
				return m, "DELETED", nil
			}
			if errCode.Actual == 409 {
				log.Printf("[DEBUG] OpenStack LB Monitor (%s) is waiting for Pool to delete.", monitorId)
				return m, "PENDING", nil
			}
		}

		log.Printf("[DEBUG] OpenStack LB Monitor %s still active.", monitorId)
		return m, "ACTIVE", nil
	}

}

func (lb *LoadBalancer) CreateTCPLoadBalancer(name, region string, externalIP net.IP, ports []*api.ServicePort, hosts []string, affinity api.ServiceAffinity) (*api.LoadBalancerStatus, error) {
	glog.V(4).Infof("CreateTCPLoadBalancer(%v, %v, %v, %v, %v, %v)", name, region, externalIP, ports, hosts, affinity)

	if len(ports) > 1 {
		return nil, fmt.Errorf("multiple ports are not yet supported in openstack load balancers")
	}

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

	lbmethod := lb.opts.LBMethod
	if lbmethod == "" {
		lbmethod = pools.LBMethodRoundRobin
	}
	pool, err := pools.Create(lb.network, pools.CreateOpts{
		Name:     name,
		Protocol: pools.ProtocolTCP,
		SubnetID: lb.opts.SubnetId,
		LBMethod: lbmethod,
	}).Extract()
	if err != nil {
		return nil, err
	}

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

		_, err = members.Create(lb.network, members.CreateOpts{
			PoolID:       pool.ID,
			ProtocolPort: ports[0].Port, //TODO: need to handle multi-port
			Address:      addr,
		}).Extract()
		if err != nil {
			pools.Delete(lb.network, pool.ID)
			return nil, err
		}
	}

	var mon *monitors.Monitor
	if lb.opts.CreateMonitor {
		mon, err = monitors.Create(lb.network, monitors.CreateOpts{
			Type:       monitors.TypeTCP,
			Delay:      int(lb.opts.MonitorDelay.Duration.Seconds()),
			Timeout:    int(lb.opts.MonitorTimeout.Duration.Seconds()),
			MaxRetries: int(lb.opts.MonitorMaxRetries),
		}).Extract()
		if err != nil {
			pools.Delete(lb.network, pool.ID)
			return nil, err
		}

		_, err = pools.AssociateMonitor(lb.network, pool.ID, mon.ID).Extract()
		if err != nil {
			monitors.Delete(lb.network, mon.ID)
			pools.Delete(lb.network, pool.ID)
			return nil, err
		}
	}

	createOpts := vips.CreateOpts{
		Name:         name,
		Description:  fmt.Sprintf("Kubernetes external service %s", name),
		Protocol:     "TCP",
		ProtocolPort: ports[0].Port, //TODO: need to handle multi-port
		PoolID:       pool.ID,
		Persistence:  persistence,
	}
	if !externalIP.IsUnspecified() {
		createOpts.Address = externalIP.String()
	}

	vip, err := vips.Create(lb.network, createOpts).Extract()
	if err != nil {
		if mon != nil {
			monitors.Delete(lb.network, mon.ID)
		}
		pools.Delete(lb.network, pool.ID)
		return nil, err
	}

	status := &api.LoadBalancerStatus{}
	status.Ingress = []api.LoadBalancerIngress{{IP: vip.Address}}

	return status, nil
}

func (lb *LoadBalancer) EnsureLoadBalancer(name, region string, loadBalancerIP net.IP, ports []*api.ServicePort, hosts []string, serviceName types.NamespacedName, affinity api.ServiceAffinity, annotations map[string]string) (*api.LoadBalancerStatus, error) {
	glog.V(4).Infof("EnsureLoadBalancer(%v, %v, %v, %v, %v, %v, %v)", name, region, loadBalancerIP, ports, hosts, serviceName, annotations)

	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")
	}

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

	sourceRanges, err := service.GetLoadBalancerSourceRanges(annotations)
	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", name)
	_, exists, err := lb.GetLoadBalancer(name, region)
	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 := lb.EnsureLoadBalancerDeleted(name, region)
		if err != nil {
			return nil, fmt.Errorf("error deleting existing openstack load balancer: %v", err)
		}
	}

	lbmethod := lb.opts.LBMethod
	if lbmethod == "" {
		lbmethod = pools.LBMethodRoundRobin
	}
	pool, err := pools.Create(lb.network, pools.CreateOpts{
		Name:     name,
		Protocol: pools.ProtocolTCP,
		SubnetID: lb.opts.SubnetId,
		LBMethod: lbmethod,
	}).Extract()
	if err != nil {
		return nil, err
	}

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

		_, err = members.Create(lb.network, members.CreateOpts{
			PoolID:       pool.ID,
			ProtocolPort: ports[0].NodePort, //TODO: need to handle multi-port
			Address:      addr,
		}).Extract()
		if err != nil {
			pools.Delete(lb.network, pool.ID)
			return nil, err
		}
	}

	var mon *monitors.Monitor
	if lb.opts.CreateMonitor {
		mon, err = monitors.Create(lb.network, monitors.CreateOpts{
			Type:       monitors.TypeTCP,
			Delay:      int(lb.opts.MonitorDelay.Duration.Seconds()),
			Timeout:    int(lb.opts.MonitorTimeout.Duration.Seconds()),
			MaxRetries: int(lb.opts.MonitorMaxRetries),
		}).Extract()
		if err != nil {
			pools.Delete(lb.network, pool.ID)
			return nil, err
		}

		_, err = pools.AssociateMonitor(lb.network, pool.ID, mon.ID).Extract()
		if err != nil {
			monitors.Delete(lb.network, mon.ID)
			pools.Delete(lb.network, pool.ID)
			return nil, err
		}
	}
//.........这里部分代码省略.........

func (lb *LoadBalancer) EnsureLoadBalancerDeleted(service *api.Service) error {
	loadBalancerName := cloudprovider.GetLoadBalancerName(service)
	glog.V(4).Infof("EnsureLoadBalancerDeleted(%v)", loadBalancerName)

	vip, err := getVipByName(lb.network, loadBalancerName)
	if err != nil && err != ErrNotFound {
		return err
	}

	if lb.opts.FloatingNetworkId != "" && vip != nil {
		floatingIP, err := getFloatingIPByPortID(lb.network, vip.PortID)
		if err != nil && !isNotFound(err) {
			return err
		}
		if floatingIP != nil {
			err = floatingips.Delete(lb.network, floatingIP.ID).ExtractErr()
			if err != nil && !isNotFound(err) {
				return err
			}
		}
	}

	// We have to delete the VIP before the pool can be deleted,
	// so no point continuing if this fails.
	if vip != nil {
		err := vips.Delete(lb.network, vip.ID).ExtractErr()
		if err != nil && !isNotFound(err) {
			return err
		}
	}

	var pool *pools.Pool
	if vip != nil {
		pool, err = pools.Get(lb.network, vip.PoolID).Extract()
		if err != nil && !isNotFound(err) {
			return err
		}
	} else {
		// The VIP is gone, but it is conceivable that a Pool
		// still exists that we failed to delete on some
		// previous occasion.  Make a best effort attempt to
		// cleanup any pools with the same name as the VIP.
		pool, err = getPoolByName(lb.network, service.Name)
		if err != nil && err != ErrNotFound {
			return err
		}
	}

	if pool != nil {
		for _, monId := range pool.MonitorIDs {
			_, err = pools.DisassociateMonitor(lb.network, pool.ID, monId).Extract()
			if err != nil {
				return err
			}

			err = monitors.Delete(lb.network, monId).ExtractErr()
			if err != nil && !isNotFound(err) {
				return err
			}
		}
		err = pools.Delete(lb.network, pool.ID).ExtractErr()
		if err != nil && !isNotFound(err) {
			return err
		}
	}

	return nil
}

func (lb *LoadBalancer) CreateTCPLoadBalancer(name, region string, externalIP net.IP, port int, hosts []string, affinity api.AffinityType) (net.IP, error) {
	glog.V(2).Infof("CreateTCPLoadBalancer(%v, %v, %v, %v, %v)", name, region, externalIP, port, hosts)
	if affinity != api.AffinityTypeNone {
		return nil, fmt.Errorf("unsupported load balancer affinity: %v", affinity)
	}
	pool, err := pools.Create(lb.network, pools.CreateOpts{
		Name:     name,
		Protocol: pools.ProtocolTCP,
		SubnetID: lb.opts.SubnetId,
	}).Extract()
	if err != nil {
		return nil, err
	}

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

		_, err = members.Create(lb.network, members.CreateOpts{
			PoolID:       pool.ID,
			ProtocolPort: port,
			Address:      addr,
		}).Extract()
		if err != nil {
			pools.Delete(lb.network, pool.ID)
			return nil, err
		}
	}

	var mon *monitors.Monitor
	if lb.opts.CreateMonitor {
		mon, err = monitors.Create(lb.network, monitors.CreateOpts{
			Type:       monitors.TypeTCP,
			Delay:      int(lb.opts.MonitorDelay.Duration.Seconds()),
			Timeout:    int(lb.opts.MonitorTimeout.Duration.Seconds()),
			MaxRetries: int(lb.opts.MonitorMaxRetries),
		}).Extract()
		if err != nil {
			pools.Delete(lb.network, pool.ID)
			return nil, err
		}

		_, err = pools.AssociateMonitor(lb.network, pool.ID, mon.ID).Extract()
		if err != nil {
			monitors.Delete(lb.network, mon.ID)
			pools.Delete(lb.network, pool.ID)
			return nil, err
		}
	}

	vip, err := vips.Create(lb.network, vips.CreateOpts{
		Name:         name,
		Description:  fmt.Sprintf("Kubernetes external service %s", name),
		Address:      externalIP.String(),
		Protocol:     "TCP",
		ProtocolPort: port,
		PoolID:       pool.ID,
	}).Extract()
	if err != nil {
		if mon != nil {
			monitors.Delete(lb.network, mon.ID)
		}
		pools.Delete(lb.network, pool.ID)
		return nil, err
	}

	return net.ParseIP(vip.Address), nil
}