1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
|
package providers
import (
"github.com/gophercloud/gophercloud"
"github.com/gophercloud/gophercloud/pagination"
)
// Provider is the Octavia driver that implements the load balancing mechanism
type Provider struct {
// Human-readable description for the Loadbalancer.
Description string `json:"description"`
// Human-readable name for the Provider.
Name string `json:"name"`
}
// ProviderPage is the page returned by a pager when traversing over a
// collection of providers.
type ProviderPage struct {
pagination.LinkedPageBase
}
// NextPageURL is invoked when a paginated collection of providers has
// reached the end of a page and the pager seeks to traverse over a new one.
// In order to do this, it needs to construct the next page's URL.
func (r ProviderPage) NextPageURL() (string, error) {
var s struct {
Links []gophercloud.Link `json:"providers_links"`
}
err := r.ExtractInto(&s)
if err != nil {
return "", err
}
return gophercloud.ExtractNextURL(s.Links)
}
// IsEmpty checks whether a ProviderPage struct is empty.
func (r ProviderPage) IsEmpty() (bool, error) {
is, err := ExtractProviders(r)
return len(is) == 0, err
}
// ExtractProviders accepts a Page struct, specifically a ProviderPage
// struct, and extracts the elements into a slice of Provider structs. In
// other words, a generic collection is mapped into a relevant slice.
func ExtractProviders(r pagination.Page) ([]Provider, error) {
var s struct {
Providers []Provider `json:"providers"`
}
err := (r.(ProviderPage)).ExtractInto(&s)
return s.Providers, err
}
type commonResult struct {
gophercloud.Result
}
// Extract is a function that accepts a result and extracts a provider.
func (r commonResult) Extract() (*Provider, error) {
var s struct {
Provider *Provider `json:"provider"`
}
err := r.ExtractInto(&s)
return s.Provider, err
}
// GetResult represents the result of a get operation. Call its Extract
// method to interpret it as a Provider.
type GetResult struct {
commonResult
}
|
