openstack/compute/v2/flavors/requests.go

package flavors

import (
	"github.com/racker/perigee"
	"github.com/rackspace/gophercloud"
	"github.com/rackspace/gophercloud/pagination"
)

// ListFilterOptions helps control the results returned by the List() function.
// For example, a flavor with a minDisk field of 10 will not be returned if you specify MinDisk set to 20.
// Typically, software will use the last ID of the previous call to List to set the Marker for the current call.
type ListFilterOptions struct {

	// ChangesSince, if provided, instructs List to return only those things which have changed since the timestamp provided.
	ChangesSince string

	// MinDisk and MinRAM, if provided, elides flavors which do not meet your criteria.
	MinDisk, MinRAM int

	// Marker and Limit control paging.
	// Marker instructs List where to start listing from.
	Marker string

	// Limit instructs List to refrain from sending excessively large lists of flavors.
	Limit int
}

// List instructs OpenStack to provide a list of flavors.
// You may provide criteria by which List curtails its results for easier processing.
// See ListFilterOptions for more details.
func List(client *gophercloud.ServiceClient, lfo ListFilterOptions) pagination.Pager {
	createPage := func(r pagination.LastHTTPResponse) pagination.Page {
		return FlavorPage{pagination.LinkedPageBase{LastHTTPResponse: r}}
	}

	return pagination.NewPager(client, listURL(client, lfo), createPage)
}

// Get instructs OpenStack to provide details on a single flavor, identified by its ID.
// Use ExtractFlavor to convert its result into a Flavor.
func Get(client *gophercloud.ServiceClient, id string) GetResult {
	var gr GetResult
	gr.Err = perigee.Get(flavorURL(client, id), perigee.Options{
		Results:     &gr.Resp,
		MoreHeaders: client.Provider.AuthenticatedHeaders(),
	})
	return gr
}