Golang networks.ExtractNetworks函数代码示例

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

	opts := networks.ListOpts{ID: networkID}
	pager := networks.List(networkClient, opts)
	networkName := ""

	err = pager.EachPage(func(page pagination.Page) (bool, error) {
		networkList, err := networks.ExtractNetworks(page)
		if err != nil {
			return false, err
		}

		for _, n := range networkList {
			if n.ID == networkID {
				networkName = n.Name
				return false, nil
			}
		}

		return true, nil
	})

	return networkName, err
}

func (command *commandList) Execute(resource *handler.Resource) {
	opts := resource.Params.(*paramsList).opts
	allPages := resource.Params.(*paramsList).allPages
	pager := networks.List(command.Ctx.ServiceClient, opts)
	if allPages {
		pages, err := pager.AllPages()
		if err != nil {
			resource.Err = err
			return
		}
		info, err := osNetworks.ExtractNetworks(pages)
		if err != nil {
			resource.Err = err
			return
		}
		result := make([]map[string]interface{}, len(info))
		for j, network := range info {
			result[j] = networkSingle(&network)
		}
		resource.Result = result
	} else {
		limit := opts.Limit
		err := pager.EachPage(func(page pagination.Page) (bool, error) {
			info, err := osNetworks.ExtractNetworks(page)
			if err != nil {
				return false, err
			}
			result := make([]map[string]interface{}, len(info))
			for j, network := range info {
				result[j] = networkSingle(&network)
			}
			resource.Result = result
			if len(info) >= limit {
				return false, nil
			}
			limit -= len(info)
			command.Ctx.WaitGroup.Add(1)
			command.Ctx.Results <- resource
			return true, nil
		})
		if err != nil {
			resource.Err = err
			return
		}
	}
}

func createServer(t *testing.T, client *gophercloud.ServiceClient, choices *ComputeChoices) (*servers.Server, error) {
	if testing.Short() {
		t.Skip("Skipping test that requires server creation in short mode.")
	}

	var network networks.Network

	networkingClient, err := networkingClient()
	if err != nil {
		t.Fatalf("Unable to create a networking client: %v", err)
	}

	pager := networks.List(networkingClient, networks.ListOpts{
		Name:  choices.NetworkName,
		Limit: 1,
	})
	pager.EachPage(func(page pagination.Page) (bool, error) {
		networks, err := networks.ExtractNetworks(page)
		if err != nil {
			t.Errorf("Failed to extract networks: %v", err)
			return false, err
		}

		if len(networks) == 0 {
			t.Fatalf("No networks to attach to server")
			return false, err
		}

		network = networks[0]

		return false, nil
	})

	name := tools.RandomString("ACPTTEST", 16)
	t.Logf("Attempting to create server: %s\n", name)

	pwd := tools.MakeNewPassword("")

	server, err := servers.Create(client, servers.CreateOpts{
		Name:      name,
		FlavorRef: choices.FlavorID,
		ImageRef:  choices.ImageID,
		Networks: []servers.Network{
			servers.Network{UUID: network.ID},
		},
		AdminPass: pwd,
	}).Extract()
	if err != nil {
		t.Fatalf("Unable to create server: %v", err)
	}

	th.AssertEquals(t, pwd, server.AdminPass)

	return server, err
}

func TestNetworkCRUDOperations(t *testing.T) {
	Setup(t)
	defer Teardown()

	// Create a network
	n, err := networks.Create(Client, networks.CreateOpts{Name: "sample_network", AdminStateUp: networks.Up}).Extract()
	th.AssertNoErr(t, err)
	defer networks.Delete(Client, n.ID)
	th.AssertEquals(t, n.Name, "sample_network")
	th.AssertEquals(t, n.AdminStateUp, true)
	networkID := n.ID

	// List networks
	pager := networks.List(Client, networks.ListOpts{Limit: 2})
	err = pager.EachPage(func(page pagination.Page) (bool, error) {
		t.Logf("--- Page ---")

		networkList, err := networks.ExtractNetworks(page)
		th.AssertNoErr(t, err)

		for _, n := range networkList {
			t.Logf("Network: ID [%s] Name [%s] Status [%s] Is shared? [%s]",
				n.ID, n.Name, n.Status, strconv.FormatBool(n.Shared))
		}

		return true, nil
	})
	th.CheckNoErr(t, err)

	// Get a network
	if networkID == "" {
		t.Fatalf("In order to retrieve a network, the NetworkID must be set")
	}
	n, err = networks.Get(Client, networkID).Extract()
	th.AssertNoErr(t, err)
	th.AssertEquals(t, n.Status, "ACTIVE")
	th.AssertDeepEquals(t, n.Subnets, []string{})
	th.AssertEquals(t, n.Name, "sample_network")
	th.AssertEquals(t, n.AdminStateUp, true)
	th.AssertEquals(t, n.Shared, false)
	th.AssertEquals(t, n.ID, networkID)

	// Update network
	n, err = networks.Update(Client, networkID, networks.UpdateOpts{Name: "new_network_name"}).Extract()
	th.AssertNoErr(t, err)
	th.AssertEquals(t, n.Name, "new_network_name")

	// Delete network
	res := networks.Delete(Client, networkID)
	th.AssertNoErr(t, res.Err)
}

func (c *GenericClient) getNetworkId(d *Driver, networkName string) (string, error) {
	opts := networks.ListOpts{Name: networkName}
	pager := networks.List(c.Network, opts)
	networkId := ""

	err := pager.EachPage(func(page pagination.Page) (bool, error) {
		networkList, err := networks.ExtractNetworks(page)
		if err != nil {
			return false, err
		}

		for _, n := range networkList {
			if n.Name == networkName {
				networkId = n.ID
				return false, nil
			}
		}

		return true, nil
	})

	return networkId, err
}

func TestList(t *testing.T) {
	th.SetupHTTP()
	defer th.TeardownHTTP()

	th.Mux.HandleFunc("/networks", func(w http.ResponseWriter, r *http.Request) {
		th.TestMethod(t, r, "GET")
		th.TestHeader(t, r, "X-Auth-Token", fake.TokenID)

		w.Header().Add("Content-Type", "application/json")
		w.WriteHeader(http.StatusOK)

		fmt.Fprintf(w, `
{
    "networks": [
        {
            "status": "ACTIVE",
            "subnets": [
                "54d6f61d-db07-451c-9ab3-b9609b6b6f0b"
            ],
            "name": "private-network",
            "admin_state_up": true,
            "tenant_id": "4fd44f30292945e481c7b8a0c8908869",
            "shared": true,
            "id": "d32019d3-bc6e-4319-9c1d-6722fc136a22"
        },
        {
            "status": "ACTIVE",
            "subnets": [
                "08eae331-0402-425a-923c-34f7cfe39c1b"
            ],
            "name": "private",
            "admin_state_up": true,
            "tenant_id": "26a7980765d0414dbc1fc1f88cdb7e6e",
            "shared": true,
            "id": "db193ab3-96e3-4cb3-8fc5-05f4296d0324"
        }
    ]
}
      `)
	})

	client := fake.ServiceClient()
	count := 0

	List(client, os.ListOpts{}).EachPage(func(page pagination.Page) (bool, error) {
		count++
		actual, err := os.ExtractNetworks(page)
		if err != nil {
			t.Errorf("Failed to extract networks: %v", err)
			return false, err
		}

		expected := []os.Network{
			os.Network{
				Status:       "ACTIVE",
				Subnets:      []string{"54d6f61d-db07-451c-9ab3-b9609b6b6f0b"},
				Name:         "private-network",
				AdminStateUp: true,
				TenantID:     "4fd44f30292945e481c7b8a0c8908869",
				Shared:       true,
				ID:           "d32019d3-bc6e-4319-9c1d-6722fc136a22",
			},
			os.Network{
				Status:       "ACTIVE",
				Subnets:      []string{"08eae331-0402-425a-923c-34f7cfe39c1b"},
				Name:         "private",
				AdminStateUp: true,
				TenantID:     "26a7980765d0414dbc1fc1f88cdb7e6e",
				Shared:       true,
				ID:           "db193ab3-96e3-4cb3-8fc5-05f4296d0324",
			},
		}

		th.CheckDeepEquals(t, expected, actual)

		return true, nil
	})

	if count != 1 {
		t.Errorf("Expected 1 page, got %d", count)
	}
}