Sync baremetal openstack with upstream

Change-Id: I125fc08e2cc4433aeaa470de48823dd4434c2030
Related-PROD: PROD-33018
diff --git a/openstack/baremetal/v1/allocations/results.go b/openstack/baremetal/v1/allocations/results.go
new file mode 100644
index 0000000..63fb2c4
--- /dev/null
+++ b/openstack/baremetal/v1/allocations/results.go
@@ -0,0 +1,114 @@
+package allocations
+
+import (
+	"time"
+
+	"gerrit.mcp.mirantis.net/debian/gophercloud.git"
+	"gerrit.mcp.mirantis.net/debian/gophercloud.git/pagination"
+)
+
+type Allocation struct {
+	// The UUID for the resource.
+	UUID string `json:"uuid"`
+
+	// A list of UUIDs of the nodes that are candidates for this allocation.
+	CandidateNodes []string `json:"candidate_nodes"`
+
+	// The error message for the allocation if it is in the error state, null otherwise.
+	LastError string `json:"last_error"`
+
+	// The unique name of the allocation.
+	Name string `json:"name"`
+
+	// The UUID of the node assigned to the allocation. Will be null if a node is not yet assigned.
+	NodeUUID string `json:"node_uuid"`
+
+	// The current state of the allocation. One of: allocation, active, error
+	State string `json:"state"`
+
+	// The resource class requested for the allocation.
+	ResourceClass string `json:"resource_class"`
+
+	// The list of the traits requested for the allocation.
+	Traits []string `json:"traits"`
+
+	// A set of one or more arbitrary metadata key and value pairs.
+	Extra map[string]string `json:"extra"`
+
+	// The UTC date and time when the resource was created, ISO 8601 format.
+	CreatedAt time.Time `json:"created_at"`
+
+	// The UTC date and time when the resource was updated, ISO 8601 format. May be “null”.
+	UpdatedAt time.Time `json:"updated_at"`
+
+	// A list of relative links. Includes the self and bookmark links.
+	Links []interface{} `json:"links"`
+}
+
+type allocationResult struct {
+	gophercloud.Result
+}
+
+func (r allocationResult) Extract() (*Allocation, error) {
+	var s Allocation
+	err := r.ExtractInto(&s)
+	return &s, err
+}
+
+func (r allocationResult) ExtractInto(v interface{}) error {
+	return r.Result.ExtractIntoStructPtr(v, "")
+}
+
+func ExtractAllocationsInto(r pagination.Page, v interface{}) error {
+	return r.(AllocationPage).Result.ExtractIntoSlicePtr(v, "allocations")
+}
+
+// AllocationPage abstracts the raw results of making a List() request against
+// the API.
+type AllocationPage struct {
+	pagination.LinkedPageBase
+}
+
+// IsEmpty returns true if a page contains no Allocation results.
+func (r AllocationPage) IsEmpty() (bool, error) {
+	s, err := ExtractAllocations(r)
+	return len(s) == 0, err
+}
+
+// NextPageURL uses the response's embedded link reference to navigate to the
+// next page of results.
+func (r AllocationPage) NextPageURL() (string, error) {
+	var s struct {
+		Links []gophercloud.Link `json:"allocations_links"`
+	}
+	err := r.ExtractInto(&s)
+	if err != nil {
+		return "", err
+	}
+	return gophercloud.ExtractNextURL(s.Links)
+}
+
+// ExtractAllocations interprets the results of a single page from a List() call,
+// producing a slice of Allocation entities.
+func ExtractAllocations(r pagination.Page) ([]Allocation, error) {
+	var s []Allocation
+	err := ExtractAllocationsInto(r, &s)
+	return s, err
+}
+
+// GetResult is the response from a Get operation. Call its Extract
+// method to interpret it as a Allocation.
+type GetResult struct {
+	allocationResult
+}
+
+// CreateResult is the response from a Create operation.
+type CreateResult struct {
+	allocationResult
+}
+
+// DeleteResult is the response from a Delete operation. Call its ExtractErr
+// method to determine if the call succeeded or failed.
+type DeleteResult struct {
+	gophercloud.ErrResult
+}