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package members
import (
"github.com/mitchellh/mapstructure"
"github.com/rackspace/gophercloud"
"github.com/rackspace/gophercloud/pagination"
)
// Member represents the application running on a backend server.
type Member struct {
// The status of the member. Indicates whether the member is operational.
Status string
// Weight of member.
Weight int
// The administrative state of the member, which is up (true) or down (false).
AdminStateUp bool `json:"admin_state_up" mapstructure:"admin_state_up"`
// Owner of the member. Only an administrative user can specify a tenant ID
// other than its own.
TenantID string `json:"tenant_id" mapstructure:"tenant_id"`
// The pool to which the member belongs.
PoolID string `json:"pool_id" mapstructure:"pool_id"`
// The IP address of the member.
Address string
// The port on which the application is hosted.
ProtocolPort int `json:"protocol_port" mapstructure:"protocol_port"`
// 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 (p MemberPage) NextPageURL() (string, error) {
type resp struct {
Links []gophercloud.Link `mapstructure:"members_links"`
}
var r resp
err := mapstructure.Decode(p.Body, &r)
if err != nil {
return "", err
}
return gophercloud.ExtractNextURL(r.Links)
}
// IsEmpty checks whether a MemberPage struct is empty.
func (p MemberPage) IsEmpty() (bool, error) {
is, err := ExtractMembers(p)
if err != nil {
return true, nil
}
return len(is) == 0, nil
}
// 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(page pagination.Page) ([]Member, error) {
var resp struct {
Members []Member `mapstructure:"members" json:"members"`
}
err := mapstructure.Decode(page.(MemberPage).Body, &resp)
if err != nil {
return nil, err
}
return resp.Members, nil
}
type commonResult struct {
gophercloud.Result
}
// Extract is a function that accepts a result and extracts a router.
func (r commonResult) Extract() (*Member, error) {
if r.Err != nil {
return nil, r.Err
}
var res struct {
Member *Member `json:"member"`
}
err := mapstructure.Decode(r.Body, &res)
return res.Member, err
}
// CreateResult represents the result of a create operation.
type CreateResult struct {
commonResult
}
// GetResult represents the result of a get operation.
type GetResult struct {
commonResult
}
// UpdateResult represents the result of an update operation.
type UpdateResult struct {
commonResult
}
// DeleteResult represents the result of a delete operation.
type DeleteResult struct {
gophercloud.ErrResult
}
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