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package virtualinterfaces
import (
"github.com/mitchellh/mapstructure"
"github.com/rackspace/gophercloud"
"github.com/rackspace/gophercloud/pagination"
)
type commonResult struct {
gophercloud.Result
}
// Extract is a function that accepts a result and extracts a network resource.
func (r commonResult) Extract() (*VirtualInterface, error) {
if r.Err != nil {
return nil, r.Err
}
var res struct {
VirtualInterfaces []VirtualInterface `mapstructure:"virtual_interfaces" json:"virtual_interfaces"`
}
err := mapstructure.Decode(r.Body, &res)
return &res.VirtualInterfaces[0], err
}
// CreateResult represents the result of a create operation.
type CreateResult struct {
commonResult
}
// DeleteResult represents the result of a delete operation.
type DeleteResult struct {
gophercloud.ErrResult
}
// IPAddress represents a vitual address attached to a VirtualInterface.
type IPAddress struct {
Address string `mapstructure:"address" json:"address"`
NetworkID string `mapstructure:"network_id" json:"network_id"`
NetworkLabel string `mapstructure:"network_label" json:"network_label"`
}
// VirtualInterface represents a virtual interface.
type VirtualInterface struct {
// UUID for the virtual interface
ID string `mapstructure:"id" json:"id"`
MACAddress string `mapstructure:"mac_address" json:"mac_address"`
IPAddresses []IPAddress `mapstructure:"ip_addresses" json:"ip_addresses"`
}
// VirtualInterfacePage is the page returned by a pager when traversing over a
// collection of virtual interfaces.
type VirtualInterfacePage struct {
pagination.SinglePageBase
}
// IsEmpty returns true if the NetworkPage contains no Networks.
func (r VirtualInterfacePage) IsEmpty() (bool, error) {
networks, err := ExtractVirtualInterfaces(r)
if err != nil {
return true, err
}
return len(networks) == 0, nil
}
// ExtractVirtualInterfaces accepts a Page struct, specifically a VirtualInterfacePage struct,
// and extracts the elements into a slice of VirtualInterface structs. In other words,
// a generic collection is mapped into a relevant slice.
func ExtractVirtualInterfaces(page pagination.Page) ([]VirtualInterface, error) {
var resp struct {
VirtualInterfaces []VirtualInterface `mapstructure:"virtual_interfaces" json:"virtual_interfaces"`
}
err := mapstructure.Decode(page.(VirtualInterfacePage).Body, &resp)
return resp.VirtualInterfaces, err
}
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