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package networks
import (
"github.com/gophercloud/gophercloud"
"github.com/gophercloud/gophercloud/pagination"
)
type commonResult struct {
gophercloud.Result
}
// Extract is a function that accepts a result and extracts a network resource.
func (r commonResult) Extract() (*Network, error) {
var s Network
err := r.ExtractInto(&s)
return &s, err
}
func (r commonResult) ExtractInto(v interface{}) error {
return r.Result.ExtractIntoStructPtr(v, "network")
}
// CreateResult represents the result of a create operation. Call its Extract
// method to interpret it as a Network.
type CreateResult struct {
commonResult
}
// GetResult represents the result of a get operation. Call its Extract
// method to interpret it as a Network.
type GetResult struct {
commonResult
}
// UpdateResult represents the result of an update operation. Call its Extract
// method to interpret it as a Network.
type UpdateResult struct {
commonResult
}
// DeleteResult represents the result of a delete operation. Call its
// ExtractErr method to determine if the request succeeded or failed.
type DeleteResult struct {
gophercloud.ErrResult
}
// Network represents, well, a network.
type Network struct {
// UUID for the network
ID string `json:"id"`
// Human-readable name for the network. Might not be unique.
Name string `json:"name"`
// The administrative state of network. If false (down), the network does not
// forward packets.
AdminStateUp bool `json:"admin_state_up"`
// Indicates whether network is currently operational. Possible values include
// `ACTIVE', `DOWN', `BUILD', or `ERROR'. Plug-ins might define additional
// values.
Status string `json:"status"`
// Subnets associated with this network.
Subnets []string `json:"subnets"`
// TenantID is the project owner of the network.
TenantID string `json:"tenant_id"`
// ProjectID is the project owner of the network.
ProjectID string `json:"project_id"`
// Specifies whether the network resource can be accessed by any tenant.
Shared bool `json:"shared"`
// Availability zone hints groups network nodes that run services like DHCP, L3, FW, and others.
// Used to make network resources highly available.
AvailabilityZoneHints []string `json:"availability_zone_hints"`
}
// NetworkPage is the page returned by a pager when traversing over a
// collection of networks.
type NetworkPage struct {
pagination.LinkedPageBase
}
// NextPageURL is invoked when a paginated collection of networks 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 NetworkPage) NextPageURL() (string, error) {
var s struct {
Links []gophercloud.Link `json:"networks_links"`
}
err := r.ExtractInto(&s)
if err != nil {
return "", err
}
return gophercloud.ExtractNextURL(s.Links)
}
// IsEmpty checks whether a NetworkPage struct is empty.
func (r NetworkPage) IsEmpty() (bool, error) {
is, err := ExtractNetworks(r)
return len(is) == 0, err
}
// ExtractNetworks accepts a Page struct, specifically a NetworkPage struct,
// and extracts the elements into a slice of Network structs. In other words,
// a generic collection is mapped into a relevant slice.
func ExtractNetworks(r pagination.Page) ([]Network, error) {
var s []Network
err := ExtractNetworksInto(r, &s)
return s, err
}
func ExtractNetworksInto(r pagination.Page, v interface{}) error {
return r.(NetworkPage).Result.ExtractIntoSlicePtr(v, "networks")
}
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