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|
package networks
import (
"github.com/gophercloud/gophercloud"
"github.com/gophercloud/gophercloud/pagination"
)
// ListOptsBuilder allows extensions to add additional parameters to the
// List request.
type ListOptsBuilder interface {
ToNetworkListQuery() (string, error)
}
// ListOpts allows the filtering and sorting of paginated collections through
// the API. Filtering is achieved by passing in struct field values that map to
// the network attributes you want to see returned. SortKey allows you to sort
// by a particular network attribute. SortDir sets the direction, and is either
// `asc' or `desc'. Marker and Limit are used for pagination.
type ListOpts struct {
Status string `q:"status"`
Name string `q:"name"`
AdminStateUp *bool `q:"admin_state_up"`
TenantID string `q:"tenant_id"`
ProjectID string `q:"project_id"`
Shared *bool `q:"shared"`
ID string `q:"id"`
Marker string `q:"marker"`
Limit int `q:"limit"`
SortKey string `q:"sort_key"`
SortDir string `q:"sort_dir"`
}
// ToNetworkListQuery formats a ListOpts into a query string.
func (opts ListOpts) ToNetworkListQuery() (string, error) {
q, err := gophercloud.BuildQueryString(opts)
return q.String(), err
}
// List returns a Pager which allows you to iterate over a collection of
// networks. It accepts a ListOpts struct, which allows you to filter and sort
// the returned collection for greater efficiency.
func List(c *gophercloud.ServiceClient, opts ListOptsBuilder) pagination.Pager {
url := listURL(c)
if opts != nil {
query, err := opts.ToNetworkListQuery()
if err != nil {
return pagination.Pager{Err: err}
}
url += query
}
return pagination.NewPager(c, url, func(r pagination.PageResult) pagination.Page {
return NetworkPage{pagination.LinkedPageBase{PageResult: r}}
})
}
// Get retrieves a specific network based on its unique ID.
func Get(c *gophercloud.ServiceClient, id string) (r GetResult) {
_, r.Err = c.Get(getURL(c, id), &r.Body, nil)
return
}
// CreateOptsBuilder allows extensions to add additional parameters to the
// Create request.
type CreateOptsBuilder interface {
ToNetworkCreateMap() (map[string]interface{}, error)
}
// CreateOpts represents options used to create a network.
type CreateOpts struct {
AdminStateUp *bool `json:"admin_state_up,omitempty"`
Name string `json:"name,omitempty"`
Shared *bool `json:"shared,omitempty"`
TenantID string `json:"tenant_id,omitempty"`
ProjectID string `json:"project_id,omitempty"`
AvailabilityZoneHints []string `json:"availability_zone_hints,omitempty"`
}
// ToNetworkCreateMap builds a request body from CreateOpts.
func (opts CreateOpts) ToNetworkCreateMap() (map[string]interface{}, error) {
return gophercloud.BuildRequestBody(opts, "network")
}
// Create accepts a CreateOpts struct and creates a new network using the values
// provided. This operation does not actually require a request body, i.e. the
// CreateOpts struct argument can be empty.
//
// The tenant ID that is contained in the URI is the tenant that creates the
// network. An admin user, however, has the option of specifying another tenant
// ID in the CreateOpts struct.
func Create(c *gophercloud.ServiceClient, opts CreateOptsBuilder) (r CreateResult) {
b, err := opts.ToNetworkCreateMap()
if err != nil {
r.Err = err
return
}
_, r.Err = c.Post(createURL(c), b, &r.Body, nil)
return
}
// UpdateOptsBuilder allows extensions to add additional parameters to the
// Update request.
type UpdateOptsBuilder interface {
ToNetworkUpdateMap() (map[string]interface{}, error)
}
// UpdateOpts represents options used to update a network.
type UpdateOpts struct {
AdminStateUp *bool `json:"admin_state_up,omitempty"`
Name string `json:"name,omitempty"`
Shared *bool `json:"shared,omitempty"`
}
// ToNetworkUpdateMap builds a request body from UpdateOpts.
func (opts UpdateOpts) ToNetworkUpdateMap() (map[string]interface{}, error) {
return gophercloud.BuildRequestBody(opts, "network")
}
// Update accepts a UpdateOpts struct and updates an existing network using the
// values provided. For more information, see the Create function.
func Update(c *gophercloud.ServiceClient, networkID string, opts UpdateOptsBuilder) (r UpdateResult) {
b, err := opts.ToNetworkUpdateMap()
if err != nil {
r.Err = err
return
}
_, r.Err = c.Put(updateURL(c, networkID), b, &r.Body, &gophercloud.RequestOpts{
OkCodes: []int{200, 201},
})
return
}
// Delete accepts a unique ID and deletes the network associated with it.
func Delete(c *gophercloud.ServiceClient, networkID string) (r DeleteResult) {
_, r.Err = c.Delete(deleteURL(c, networkID), nil)
return
}
// IDFromName is a convenience function that returns a network's ID, given
// its name.
func IDFromName(client *gophercloud.ServiceClient, name string) (string, error) {
count := 0
id := ""
listOpts := ListOpts{
Name: name,
}
pages, err := List(client, listOpts).AllPages()
if err != nil {
return "", err
}
all, err := ExtractNetworks(pages)
if err != nil {
return "", err
}
for _, s := range all {
if s.Name == name {
count++
id = s.ID
}
}
switch count {
case 0:
return "", gophercloud.ErrResourceNotFound{Name: name, ResourceType: "network"}
case 1:
return id, nil
default:
return "", gophercloud.ErrMultipleResourcesFound{Name: name, Count: count, ResourceType: "network"}
}
}
|
