Golang vips.Delete函數代碼示例

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

		p, err := vips.Get(networkingClient, vipId).Extract()
		if err != nil {
			errCode, ok := err.(*gophercloud.UnexpectedResponseCodeError)
			if !ok {
				return p, "ACTIVE", err
			}
			if errCode.Actual == 404 {
				log.Printf("[DEBUG] Successfully deleted OpenStack LB VIP %s", vipId)
				return p, "DELETED", nil
			}
		}

		log.Printf("[DEBUG] OpenStack LB VIP: %+v", p)
		err = vips.Delete(networkingClient, vipId).ExtractErr()
		if err != nil {
			errCode, ok := err.(*gophercloud.UnexpectedResponseCodeError)
			if !ok {
				return p, "ACTIVE", err
			}
			if errCode.Actual == 404 {
				log.Printf("[DEBUG] Successfully deleted OpenStack LB VIP %s", vipId)
				return p, "DELETED", nil
			}
		}

		log.Printf("[DEBUG] OpenStack LB VIP %s still active.", vipId)
		return p, "ACTIVE", nil
	}

}

func (lb *LoadBalancer) DeleteTCPLoadBalancer(name, region string) error {
	glog.V(2).Infof("DeleteTCPLoadBalancer(%v, %v)", name, region)

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

	pool, err := pools.Get(lb.network, vip.PoolID).Extract()
	if err != nil {
		return err
	}

	// Have to delete VIP before pool can be deleted
	err = vips.Delete(lb.network, vip.ID).ExtractErr()
	if err != nil {
		return err
	}

	// Ignore errors for everything following here

	for _, monId := range pool.MonitorIDs {
		pools.DisassociateMonitor(lb.network, pool.ID, monId)
	}
	pools.Delete(lb.network, pool.ID)

	return nil
}

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 resourceLBVipV1Delete(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 = vips.Delete(networkingClient, d.Id()).ExtractErr()
	if err != nil {
		return fmt.Errorf("Error deleting OpenStack LB VIP: %s", err)
	}

	d.SetId("")
	return nil
}

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

	// TODO(#8352): Because we look up the pool using the VIP object, if the VIP
	// is already gone we can't attempt to delete the pool. We should instead
	// continue even if the VIP doesn't exist and attempt to delete the pool by
	// name.
	vip, vipErr := getVipByName(lb.network, name)
	if vipErr == ErrNotFound {
		return nil
	} else if vipErr != nil {
		return vipErr
	}

	// It's ok if the pool doesn't exist, as we may still need to delete the vip
	// (although I don't believe the system should ever be in that state).
	pool, poolErr := pools.Get(lb.network, vip.PoolID).Extract()
	if poolErr != nil {
		detailedErr, ok := poolErr.(*gophercloud.UnexpectedResponseCodeError)
		if !ok || detailedErr.Actual != http.StatusNotFound {
			return poolErr
		}
	}
	poolExists := (poolErr == nil)

	// We have to delete the VIP before the pool can be deleted, so we can't
	// continue on if this fails.
	// TODO(#8352): Only do this if the VIP exists once we can delete pools by
	// name rather than by ID.
	err := vips.Delete(lb.network, vip.ID).ExtractErr()
	if err != nil && err != ErrNotFound {
		return err
	}

	// Ignore errors for everything following here

	if poolExists {
		for _, monId := range pool.MonitorIDs {
			// TODO(#8352): Delete the monitor, don't just disassociate it.
			pools.DisassociateMonitor(lb.network, pool.ID, monId)
		}
		pools.Delete(lb.network, pool.ID)
	}

	return nil
}

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
}