Copy blockstorage v1 to v2
diff --git a/openstack/blockstorage/v2/volumes/requests.go b/openstack/blockstorage/v2/volumes/requests.go
new file mode 100644
index 0000000..3e9243a
--- /dev/null
+++ b/openstack/blockstorage/v2/volumes/requests.go
@@ -0,0 +1,236 @@
+package volumes
+
+import (
+ "fmt"
+
+ "github.com/rackspace/gophercloud"
+ "github.com/rackspace/gophercloud/pagination"
+)
+
+// CreateOptsBuilder allows extensions to add additional parameters to the
+// Create request.
+type CreateOptsBuilder interface {
+ ToVolumeCreateMap() (map[string]interface{}, error)
+}
+
+// CreateOpts contains options for creating a Volume. This object is passed to
+// the volumes.Create function. For more information about these parameters,
+// see the Volume object.
+type CreateOpts struct {
+ // OPTIONAL
+ Availability string
+ // OPTIONAL
+ Description string
+ // OPTIONAL
+ Metadata map[string]string
+ // OPTIONAL
+ Name string
+ // REQUIRED
+ Size int
+ // OPTIONAL
+ SnapshotID, SourceVolID, ImageID string
+ // OPTIONAL
+ VolumeType string
+}
+
+// ToVolumeCreateMap assembles a request body based on the contents of a
+// CreateOpts.
+func (opts CreateOpts) ToVolumeCreateMap() (map[string]interface{}, error) {
+ v := make(map[string]interface{})
+
+ if opts.Size == 0 {
+ return nil, fmt.Errorf("Required CreateOpts field 'Size' not set.")
+ }
+ v["size"] = opts.Size
+
+ if opts.Availability != "" {
+ v["availability_zone"] = opts.Availability
+ }
+ if opts.Description != "" {
+ v["display_description"] = opts.Description
+ }
+ if opts.ImageID != "" {
+ v["imageRef"] = opts.ImageID
+ }
+ if opts.Metadata != nil {
+ v["metadata"] = opts.Metadata
+ }
+ if opts.Name != "" {
+ v["display_name"] = opts.Name
+ }
+ if opts.SourceVolID != "" {
+ v["source_volid"] = opts.SourceVolID
+ }
+ if opts.SnapshotID != "" {
+ v["snapshot_id"] = opts.SnapshotID
+ }
+ if opts.VolumeType != "" {
+ v["volume_type"] = opts.VolumeType
+ }
+
+ return map[string]interface{}{"volume": v}, nil
+}
+
+// Create will create a new Volume based on the values in CreateOpts. To extract
+// the Volume object from the response, call the Extract method on the
+// CreateResult.
+func Create(client *gophercloud.ServiceClient, opts CreateOptsBuilder) CreateResult {
+ var res CreateResult
+
+ reqBody, err := opts.ToVolumeCreateMap()
+ if err != nil {
+ res.Err = err
+ return res
+ }
+
+ _, res.Err = client.Post(createURL(client), reqBody, &res.Body, &gophercloud.RequestOpts{
+ OkCodes: []int{200, 201},
+ })
+ return res
+}
+
+// Delete will delete the existing Volume with the provided ID.
+func Delete(client *gophercloud.ServiceClient, id string) DeleteResult {
+ var res DeleteResult
+ _, res.Err = client.Delete(deleteURL(client, id), nil)
+ return res
+}
+
+// Get retrieves the Volume with the provided ID. To extract the Volume object
+// from the response, call the Extract method on the GetResult.
+func Get(client *gophercloud.ServiceClient, id string) GetResult {
+ var res GetResult
+ _, res.Err = client.Get(getURL(client, id), &res.Body, nil)
+ return res
+}
+
+// ListOptsBuilder allows extensions to add additional parameters to the List
+// request.
+type ListOptsBuilder interface {
+ ToVolumeListQuery() (string, error)
+}
+
+// ListOpts holds options for listing Volumes. It is passed to the volumes.List
+// function.
+type ListOpts struct {
+ // admin-only option. Set it to true to see all tenant volumes.
+ AllTenants bool `q:"all_tenants"`
+ // List only volumes that contain Metadata.
+ Metadata map[string]string `q:"metadata"`
+ // List only volumes that have Name as the display name.
+ Name string `q:"name"`
+ // List only volumes that have a status of Status.
+ Status string `q:"status"`
+}
+
+// ToVolumeListQuery formats a ListOpts into a query string.
+func (opts ListOpts) ToVolumeListQuery() (string, error) {
+ q, err := gophercloud.BuildQueryString(opts)
+ if err != nil {
+ return "", err
+ }
+ return q.String(), nil
+}
+
+// List returns Volumes optionally limited by the conditions provided in ListOpts.
+func List(client *gophercloud.ServiceClient, opts ListOptsBuilder) pagination.Pager {
+ url := listURL(client)
+ if opts != nil {
+ query, err := opts.ToVolumeListQuery()
+ if err != nil {
+ return pagination.Pager{Err: err}
+ }
+ url += query
+ }
+ createPage := func(r pagination.PageResult) pagination.Page {
+ return ListResult{pagination.SinglePageBase(r)}
+ }
+
+ return pagination.NewPager(client, url, createPage)
+}
+
+// UpdateOptsBuilder allows extensions to add additional parameters to the
+// Update request.
+type UpdateOptsBuilder interface {
+ ToVolumeUpdateMap() (map[string]interface{}, error)
+}
+
+// UpdateOpts contain options for updating an existing Volume. This object is passed
+// to the volumes.Update function. For more information about the parameters, see
+// the Volume object.
+type UpdateOpts struct {
+ // OPTIONAL
+ Name string
+ // OPTIONAL
+ Description string
+ // OPTIONAL
+ Metadata map[string]string
+}
+
+// ToVolumeUpdateMap assembles a request body based on the contents of an
+// UpdateOpts.
+func (opts UpdateOpts) ToVolumeUpdateMap() (map[string]interface{}, error) {
+ v := make(map[string]interface{})
+
+ if opts.Description != "" {
+ v["display_description"] = opts.Description
+ }
+ if opts.Metadata != nil {
+ v["metadata"] = opts.Metadata
+ }
+ if opts.Name != "" {
+ v["display_name"] = opts.Name
+ }
+
+ return map[string]interface{}{"volume": v}, nil
+}
+
+// Update will update the Volume with provided information. To extract the updated
+// Volume from the response, call the Extract method on the UpdateResult.
+func Update(client *gophercloud.ServiceClient, id string, opts UpdateOptsBuilder) UpdateResult {
+ var res UpdateResult
+
+ reqBody, err := opts.ToVolumeUpdateMap()
+ if err != nil {
+ res.Err = err
+ return res
+ }
+
+ _, res.Err = client.Put(updateURL(client, id), reqBody, &res.Body, &gophercloud.RequestOpts{
+ OkCodes: []int{200},
+ })
+ return res
+}
+
+// IDFromName is a convienience function that returns a server's ID given its name.
+func IDFromName(client *gophercloud.ServiceClient, name string) (string, error) {
+ volumeCount := 0
+ volumeID := ""
+ if name == "" {
+ return "", fmt.Errorf("A volume name must be provided.")
+ }
+ pager := List(client, nil)
+ pager.EachPage(func(page pagination.Page) (bool, error) {
+ volumeList, err := ExtractVolumes(page)
+ if err != nil {
+ return false, err
+ }
+
+ for _, s := range volumeList {
+ if s.Name == name {
+ volumeCount++
+ volumeID = s.ID
+ }
+ }
+ return true, nil
+ })
+
+ switch volumeCount {
+ case 0:
+ return "", fmt.Errorf("Unable to find volume: %s", name)
+ case 1:
+ return volumeID, nil
+ default:
+ return "", fmt.Errorf("Found %d volumes matching %s", volumeCount, name)
+ }
+}