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package diskconfig
import (
"github.com/gophercloud/gophercloud"
"github.com/gophercloud/gophercloud/openstack/compute/v2/servers"
)
// DiskConfig represents one of the two possible settings for the DiskConfig
// option when creating, rebuilding, or resizing servers: Auto or Manual.
type DiskConfig string
const (
// Auto builds a server with a single partition the size of the target flavor
// disk and automatically adjusts the filesystem to fit the entire partition.
// Auto may only be used with images and servers that use a single EXT3
// partition.
Auto DiskConfig = "AUTO"
// Manual builds a server using whatever partition scheme and filesystem are
// present in the source image. If the target flavor disk is larger, the
// remaining space is left unpartitioned. This enables images to have non-EXT3
// filesystems, multiple partitions, and so on, and enables you to manage the
// disk configuration. It also results in slightly shorter boot times.
Manual DiskConfig = "MANUAL"
)
// CreateOptsExt adds a DiskConfig option to the base CreateOpts.
type CreateOptsExt struct {
servers.CreateOptsBuilder
// DiskConfig [optional] controls how the created server's disk is partitioned.
DiskConfig DiskConfig `json:"OS-DCF:diskConfig,omitempty"`
}
// ToServerCreateMap adds the diskconfig option to the base server creation options.
func (opts CreateOptsExt) ToServerCreateMap() (map[string]interface{}, error) {
base, err := opts.CreateOptsBuilder.ToServerCreateMap()
if err != nil {
return nil, err
}
if string(opts.DiskConfig) == "" {
return base, nil
}
serverMap := base["server"].(map[string]interface{})
serverMap["OS-DCF:diskConfig"] = string(opts.DiskConfig)
return base, nil
}
// RebuildOptsExt adds a DiskConfig option to the base RebuildOpts.
type RebuildOptsExt struct {
servers.RebuildOptsBuilder
// DiskConfig controls how the rebuilt server's disk is partitioned.
DiskConfig DiskConfig `json:"OS-DCF:diskConfig,omitempty"`
}
// ToServerRebuildMap adds the diskconfig option to the base server rebuild options.
func (opts RebuildOptsExt) ToServerRebuildMap() (map[string]interface{}, error) {
if opts.DiskConfig != Auto && opts.DiskConfig != Manual {
err := gophercloud.ErrInvalidInput{}
err.Argument = "diskconfig.RebuildOptsExt.DiskConfig"
err.Info = "Must be either diskconfig.Auto or diskconfig.Manual"
return nil, err
}
base, err := opts.RebuildOptsBuilder.ToServerRebuildMap()
if err != nil {
return nil, err
}
serverMap := base["rebuild"].(map[string]interface{})
serverMap["OS-DCF:diskConfig"] = string(opts.DiskConfig)
return base, nil
}
// ResizeOptsExt adds a DiskConfig option to the base server resize options.
type ResizeOptsExt struct {
servers.ResizeOptsBuilder
// DiskConfig [optional] controls how the resized server's disk is partitioned.
DiskConfig DiskConfig
}
// ToServerResizeMap adds the diskconfig option to the base server creation options.
func (opts ResizeOptsExt) ToServerResizeMap() (map[string]interface{}, error) {
if opts.DiskConfig != Auto && opts.DiskConfig != Manual {
err := gophercloud.ErrInvalidInput{}
err.Argument = "diskconfig.ResizeOptsExt.DiskConfig"
err.Info = "Must be either diskconfig.Auto or diskconfig.Manual"
return nil, err
}
base, err := opts.ResizeOptsBuilder.ToServerResizeMap()
if err != nil {
return nil, err
}
serverMap := base["resize"].(map[string]interface{})
serverMap["OS-DCF:diskConfig"] = string(opts.DiskConfig)
return base, nil
}
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