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package members
import (
"github.com/gophercloud/gophercloud"
"github.com/gophercloud/gophercloud/pagination"
)
// Member represents the application running on a backend server.
type Member struct {
// Status is the status of the member. Indicates whether the member
// is operational.
Status string
// Weight is the weight of member.
Weight int
// AdminStateUp is the administrative state of the member, which is up
// (true) or down (false).
AdminStateUp bool `json:"admin_state_up"`
// TenantID is the owner of the member.
TenantID string `json:"tenant_id"`
// PoolID is the pool to which the member belongs.
PoolID string `json:"pool_id"`
// Address is the IP address of the member.
Address string
// ProtocolPort is the port on which the application is hosted.
ProtocolPort int `json:"protocol_port"`
// ID is the unique ID for the member.
ID string
}
// MemberPage is the page returned by a pager when traversing over a
// collection of pool members.
type MemberPage struct {
pagination.LinkedPageBase
}
// NextPageURL is invoked when a paginated collection of members 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 MemberPage) NextPageURL() (string, error) {
var s struct {
Links []gophercloud.Link `json:"members_links"`
}
err := r.ExtractInto(&s)
if err != nil {
return "", err
}
return gophercloud.ExtractNextURL(s.Links)
}
// IsEmpty checks whether a MemberPage struct is empty.
func (r MemberPage) IsEmpty() (bool, error) {
is, err := ExtractMembers(r)
return len(is) == 0, err
}
// ExtractMembers accepts a Page struct, specifically a MemberPage struct,
// and extracts the elements into a slice of Member structs. In other words,
// a generic collection is mapped into a relevant slice.
func ExtractMembers(r pagination.Page) ([]Member, error) {
var s struct {
Members []Member `json:"members"`
}
err := (r.(MemberPage)).ExtractInto(&s)
return s.Members, err
}
type commonResult struct {
gophercloud.Result
}
// Extract is a function that accepts a result and extracts a member.
func (r commonResult) Extract() (*Member, error) {
var s struct {
Member *Member `json:"member"`
}
err := r.ExtractInto(&s)
return s.Member, err
}
// CreateResult represents the result of a create operation. Call its Extract
// method to interpret it as a Member.
type CreateResult struct {
commonResult
}
// GetResult represents the result of a get operation. Call its Extract
// method to interpret it as a Member.
type GetResult struct {
commonResult
}
// UpdateResult represents the result of an update operation. Call its Extract
// method to interpret it as a Member.
type UpdateResult struct {
commonResult
}
// DeleteResult represents the result of a delete operation. Call its
// ExtractErr method to determine if the result succeeded or failed.
type DeleteResult struct {
gophercloud.ErrResult
}
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