Golang flavors.Get函數代碼示例

func (command *commandGet) Execute(resource *handler.Resource) {
	flavorID := resource.Params.(*paramsGet).flavor
	flavor, err := flavors.Get(command.Ctx.ServiceClient, flavorID).Extract()
	if err != nil {
		resource.Err = err
		return
	}
	resource.Result = structs.Map(flavor)
}

func TestGetFlavor(t *testing.T) {
	client, err := newClient()
	if err != nil {
		t.Fatalf("Unable to create a compute client: %v", err)
	}

	choices, err := ComputeChoicesFromEnv()
	if err != nil {
		t.Fatal(err)
	}

	flavor, err := flavors.Get(client, choices.FlavorID).Extract()
	if err != nil {
		t.Fatalf("Unable to get flavor information: %v", err)
	}

	t.Logf("Flavor: %#v", flavor)
}

func (s *StepLoadFlavor) Run(state multistep.StateBag) multistep.StepAction {
	config := state.Get("config").(Config)
	ui := state.Get("ui").(packer.Ui)

	// We need the v2 compute client
	client, err := config.computeV2Client()
	if err != nil {
		err = fmt.Errorf("Error initializing compute client: %s", err)
		state.Put("error", err)
		return multistep.ActionHalt
	}

	ui.Say(fmt.Sprintf("Loading flavor: %s", s.Flavor))
	log.Printf("[INFO] Loading flavor by ID: %s", s.Flavor)
	flavor, err := flavors.Get(client, s.Flavor).Extract()
	if err != nil {
		log.Printf("[ERROR] Failed to find flavor by ID: %s", err)
		geterr := err

		log.Printf("[INFO] Loading flavor by name: %s", s.Flavor)
		id, err := flavors.IDFromName(client, s.Flavor)
		if err != nil {
			log.Printf("[ERROR] Failed to find flavor by name: %s", err)
			err = fmt.Errorf(
				"Unable to find specified flavor by ID or name!\n\n"+
					"Error from ID lookup: %s\n\n"+
					"Error from name lookup: %s",
				geterr,
				err)
			state.Put("error", err)
			return multistep.ActionHalt
		}

		flavor = &flavors.Flavor{ID: id}
	}

	ui.Message(fmt.Sprintf("Verified flavor. ID: %s", flavor.ID))
	state.Put("flavor_id", flavor.ID)
	return multistep.ActionContinue
}

func resourceComputeInstanceV2Read(d *schema.ResourceData, meta interface{}) error {
	config := meta.(*Config)
	computeClient, err := config.computeV2Client(d.Get("region").(string))
	if err != nil {
		return fmt.Errorf("Error creating OpenStack compute client: %s", err)
	}

	server, err := servers.Get(computeClient, d.Id()).Extract()
	if err != nil {
		return CheckDeleted(d, err, "server")
	}

	log.Printf("[DEBUG] Retreived Server %s: %+v", d.Id(), server)

	d.Set("name", server.Name)

	// Get the instance network and address information
	networks, err := getInstanceNetworksAndAddresses(computeClient, d)
	if err != nil {
		return err
	}

	// Determine the best IPv4 and IPv6 addresses to access the instance with
	hostv4, hostv6 := getInstanceAccessAddresses(d, networks)

	d.Set("network", networks)
	d.Set("access_ip_v4", hostv4)
	d.Set("access_ip_v6", hostv6)

	// Determine the best IP address to use for SSH connectivity.
	// Prefer IPv4 over IPv6.
	preferredSSHAddress := ""
	if hostv4 != "" {
		preferredSSHAddress = hostv4
	} else if hostv6 != "" {
		preferredSSHAddress = hostv6
	}

	if preferredSSHAddress != "" {
		// Initialize the connection info
		d.SetConnInfo(map[string]string{
			"type": "ssh",
			"host": preferredSSHAddress,
		})
	}

	d.Set("metadata", server.Metadata)

	secGrpNames := []string{}
	for _, sg := range server.SecurityGroups {
		secGrpNames = append(secGrpNames, sg["name"].(string))
	}
	d.Set("security_groups", secGrpNames)

	flavorId, ok := server.Flavor["id"].(string)
	if !ok {
		return fmt.Errorf("Error setting OpenStack server's flavor: %v", server.Flavor)
	}
	d.Set("flavor_id", flavorId)

	flavor, err := flavors.Get(computeClient, flavorId).Extract()
	if err != nil {
		return err
	}
	d.Set("flavor_name", flavor.Name)

	// Set the instance's image information appropriately
	if err := setImageInformation(computeClient, server, d); err != nil {
		return err
	}

	// volume attachments
	if err := getVolumeAttachments(computeClient, d); err != nil {
		return err
	}

	return nil
}

func resourceComputeInstanceV2Read(d *schema.ResourceData, meta interface{}) error {
	config := meta.(*Config)
	computeClient, err := config.computeV2Client(d.Get("region").(string))
	if err != nil {
		return fmt.Errorf("Error creating OpenStack compute client: %s", err)
	}

	server, err := servers.Get(computeClient, d.Id()).Extract()
	if err != nil {
		return CheckDeleted(d, err, "server")
	}

	log.Printf("[DEBUG] Retreived Server %s: %+v", d.Id(), server)

	d.Set("name", server.Name)

	// begin reading the network configuration
	d.Set("access_ip_v4", server.AccessIPv4)
	d.Set("access_ip_v6", server.AccessIPv6)
	hostv4 := server.AccessIPv4
	hostv6 := server.AccessIPv6

	networkDetails, err := resourceInstanceNetworks(computeClient, d)
	addresses := resourceInstanceAddresses(server.Addresses)
	if err != nil {
		return err
	}

	// if there are no networkDetails, make networks at least a length of 1
	networkLength := 1
	if len(networkDetails) > 0 {
		networkLength = len(networkDetails)
	}
	networks := make([]map[string]interface{}, networkLength)

	// Loop through all networks and addresses,
	// merge relevant address details.
	if len(networkDetails) == 0 {
		for netName, n := range addresses {
			if floatingIP, ok := n["floating_ip"]; ok {
				hostv4 = floatingIP.(string)
			} else {
				if hostv4 == "" && n["fixed_ip_v4"] != nil {
					hostv4 = n["fixed_ip_v4"].(string)
				}
			}

			if hostv6 == "" && n["fixed_ip_v6"] != nil {
				hostv6 = n["fixed_ip_v6"].(string)
			}

			networks[0] = map[string]interface{}{
				"name":        netName,
				"fixed_ip_v4": n["fixed_ip_v4"],
				"fixed_ip_v6": n["fixed_ip_v6"],
				"mac":         n["mac"],
			}
		}
	} else {
		for i, net := range networkDetails {
			n := addresses[net["name"].(string)]

			if floatingIP, ok := n["floating_ip"]; ok {
				hostv4 = floatingIP.(string)
			} else {
				if hostv4 == "" && n["fixed_ip_v4"] != nil {
					hostv4 = n["fixed_ip_v4"].(string)
				}
			}

			if hostv6 == "" && n["fixed_ip_v6"] != nil {
				hostv6 = n["fixed_ip_v6"].(string)
			}

			networks[i] = map[string]interface{}{
				"uuid":        networkDetails[i]["uuid"],
				"name":        networkDetails[i]["name"],
				"port":        networkDetails[i]["port"],
				"fixed_ip_v4": n["fixed_ip_v4"],
				"fixed_ip_v6": n["fixed_ip_v6"],
				"mac":         n["mac"],
			}
		}
	}

	log.Printf("[DEBUG] new networks: %+v", networks)

	d.Set("network", networks)
	d.Set("access_ip_v4", hostv4)
	d.Set("access_ip_v6", hostv6)
	log.Printf("hostv4: %s", hostv4)
	log.Printf("hostv6: %s", hostv6)

	// prefer the v6 address if no v4 address exists.
	preferredv := ""
	if hostv4 != "" {
		preferredv = hostv4
	} else if hostv6 != "" {
		preferredv = hostv6
	}
//.........這裏部分代碼省略.........

func main() {
	// step-1
	var authUsername string = "your_auth_username"
	var authPassword string = "your_auth_password"
	var authUrl string = "http://controller:5000"
	var projectName string = "your_project_id"
	var regionName string = "your_region_name"

	authOpts := gophercloud.AuthOptions{
		IdentityEndpoint: authUrl,
		Username:         authUsername,
		Password:         authPassword,
		TenantID:         projectName,
	}
	provider, _ := openstack.AuthenticatedClient(authOpts)
	client, _ := openstack.NewComputeV2(provider, gophercloud.EndpointOpts{
		Region: regionName,
	})

	// step-2
	pager := images.ListDetail(client, images.ListOpts{})
	page, _ := pager.AllPages()
	imageList, _ := images.ExtractImages(page)
	fmt.Println(imageList)

	// step-3
	pager = flavors.ListDetail(client, flavors.ListOpts{})
	page, _ = pager.AllPages()
	flavorList, _ := flavors.ExtractFlavors(page)
	fmt.Println(flavorList)

	// step-4
	imageID := "74e6d1ec-9a08-444c-8518-4f232446386d"
	image, _ := images.Get(client, imageID).Extract()
	fmt.Println(image)

	// step-5
	flavorID := "1"
	flavor, _ := flavors.Get(client, flavorID).Extract()
	fmt.Println(flavor)

	// step-6
	instanceName := "testing"
	testingInstance, _ := servers.Create(client, servers.CreateOpts{
		Name:      instanceName,
		ImageRef:  imageID,
		FlavorRef: flavorID,
	}).Extract()
	fmt.Println(testingInstance)

	// step-7
	pager = servers.List(client, servers.ListOpts{})
	page, _ = pager.AllPages()
	serverList, _ := servers.ExtractServers(page)
	fmt.Println(serverList)

	// step-8
	servers.Delete(client, testingInstance.ID)

	// step-9
	fmt.Println("Checking for existing SSH key pair...")
	keyPairName := "demokey"
	pubKeyFile := "~/.ssh/id_rsa.pub"
	keyPairExists := false

	pager = keypairs.List(client)
	page, _ = pager.AllPages()
	keypairList, _ := keypairs.ExtractKeyPairs(page)
	for _, k := range keypairList {
		if k.Name == keyPairName {
			keyPairExists = true
			break
		}
	}

	if keyPairExists {
		fmt.Println("Keypair " + keyPairName + " already exists. Skipping import.")
	} else {
		fmt.Println("adding keypair...")
		bs, _ := ioutil.ReadFile(pubKeyFile)
		keypairs.Create(client, keypairs.CreateOpts{
			Name:      keyPairName,
			PublicKey: string(bs),
		}).Extract()
	}

	pager = keypairs.List(client)
	page, _ = pager.AllPages()
	keypairList, _ = keypairs.ExtractKeyPairs(page)
	fmt.Println(keypairList)

	// step-10
	fmt.Println("Checking for existing security group...")
	var allInOneSecurityGroup secgroups.SecurityGroup
	securityGroupName := "all-in-one"
	securityGroupExists := false

	pager = secgroups.List(client)
	page, _ = pager.AllPages()
	secgroupList, _ := secgroups.ExtractSecurityGroups(page)
//.........這裏部分代碼省略.........

// Get returns details about a single flavor, identity by ID.
func Get(client *gophercloud.ServiceClient, id string) os.GetResult {
	return os.Get(client, id)
}