Golang InterfacesClient.Delete方法代码示例

// deleteInstances deletes a virtual machine and all of the resources that
// it owns, and any corresponding network security rules.
func deleteInstance(
	inst *azureInstance,
	computeClient compute.ManagementClient,
	networkClient network.ManagementClient,
	storageClient internalazurestorage.Client,
) error {
	vmName := string(inst.Id())
	vmClient := compute.VirtualMachinesClient{computeClient}
	nicClient := network.InterfacesClient{networkClient}
	nsgClient := network.SecurityGroupsClient{networkClient}
	securityRuleClient := network.SecurityRulesClient{networkClient}
	publicIPClient := network.PublicIPAddressesClient{networkClient}
	logger.Debugf("deleting instance %q", vmName)

	logger.Debugf("- deleting virtual machine")
	deleteResult, err := vmClient.Delete(inst.env.resourceGroup, vmName)
	if err != nil {
		if deleteResult.Response == nil || deleteResult.StatusCode != http.StatusNotFound {
			return errors.Annotate(err, "deleting virtual machine")
		}
	}

	// Delete the VM's OS disk VHD.
	logger.Debugf("- deleting OS VHD")
	blobClient := storageClient.GetBlobService()
	if _, err := blobClient.DeleteBlobIfExists(osDiskVHDContainer, vmName); err != nil {
		return errors.Annotate(err, "deleting OS VHD")
	}

	// Delete network security rules that refer to the VM.
	logger.Debugf("- deleting security rules")
	if err := deleteInstanceNetworkSecurityRules(
		inst.env.resourceGroup, inst.Id(), nsgClient, securityRuleClient,
	); err != nil {
		return errors.Annotate(err, "deleting network security rules")
	}

	// Detach public IPs from NICs. This must be done before public
	// IPs can be deleted. In the future, VMs may not necessarily
	// have a public IP, so we don't use the presence of a public
	// IP to indicate the existence of an instance.
	logger.Debugf("- detaching public IP addresses")
	for _, nic := range inst.networkInterfaces {
		if nic.Properties.IPConfigurations == nil {
			continue
		}
		var detached bool
		for i, ipConfiguration := range *nic.Properties.IPConfigurations {
			if ipConfiguration.Properties.PublicIPAddress == nil {
				continue
			}
			ipConfiguration.Properties.PublicIPAddress = nil
			(*nic.Properties.IPConfigurations)[i] = ipConfiguration
			detached = true
		}
		if detached {
			if _, err := nicClient.CreateOrUpdate(
				inst.env.resourceGroup, to.String(nic.Name), nic,
			); err != nil {
				return errors.Annotate(err, "detaching public IP addresses")
			}
		}
	}

	// Delete public IPs.
	logger.Debugf("- deleting public IPs")
	for _, pip := range inst.publicIPAddresses {
		pipName := to.String(pip.Name)
		logger.Tracef("deleting public IP %q", pipName)
		result, err := publicIPClient.Delete(inst.env.resourceGroup, pipName)
		if err != nil {
			if result.Response == nil || result.StatusCode != http.StatusNotFound {
				return errors.Annotate(err, "deleting public IP")
			}
		}
	}

	// Delete NICs.
	//
	// NOTE(axw) this *must* be deleted last, or we risk leaking resources.
	logger.Debugf("- deleting network interfaces")
	for _, nic := range inst.networkInterfaces {
		nicName := to.String(nic.Name)
		logger.Tracef("deleting NIC %q", nicName)
		result, err := nicClient.Delete(inst.env.resourceGroup, nicName)
		if err != nil {
			if result.Response == nil || result.StatusCode != http.StatusNotFound {
				return errors.Annotate(err, "deleting NIC")
			}
		}
	}

	return nil
}