mirror of https://github.com/ceph/go-ceph
96 lines
2.9 KiB
Go
96 lines
2.9 KiB
Go
package admin
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// this is the internal type used to create JSON for ceph.
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// See SubVolumeOptions for the type that users of the library
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// interact with.
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// note that the ceph json takes mode as a string.
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type subVolumeFields struct {
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Prefix string `json:"prefix"`
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Format string `json:"format"`
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VolName string `json:"vol_name"`
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GroupName string `json:"group_name,omitempty"`
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SubName string `json:"sub_name"`
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Size ByteCount `json:"size,omitempty"`
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Uid int `json:"uid,omitempty"`
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Gid int `json:"gid,omitempty"`
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Mode string `json:"mode,omitempty"`
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PoolLayout string `json:"pool_layout,omitempty"`
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NamespaceIsolated bool `json:"namespace_isolated"`
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}
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// SubVolumeOptions are used to specify optional, non-identifying, values
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// to be used when creating a new subvolume.
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type SubVolumeOptions struct {
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Size ByteCount
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Uid int
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Gid int
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Mode int
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PoolLayout string
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NamespaceIsolated bool
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}
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func (s *SubVolumeOptions) toFields(v, g, n string) *subVolumeFields {
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return &subVolumeFields{
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Prefix: "fs subvolume create",
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Format: "json",
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VolName: v,
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GroupName: g,
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SubName: n,
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Size: s.Size,
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Uid: s.Uid,
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Gid: s.Gid,
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Mode: modeString(s.Mode, false),
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PoolLayout: s.PoolLayout,
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NamespaceIsolated: s.NamespaceIsolated,
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}
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}
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// NoGroup should be used when an optional subvolume group name is not
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// specified.
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const NoGroup = ""
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// CreateSubVolume sends a request to create a CephFS subvolume in a volume,
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// belonging to an optional subvolume group.
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func (fsa *FSAdmin) CreateSubVolume(volume, group, name string, o *SubVolumeOptions) error {
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if o == nil {
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o = &SubVolumeOptions{}
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}
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f := o.toFields(volume, group, name)
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return checkEmptyResponseExpected(fsa.marshalMgrCommand(f))
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}
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// command:
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// fs subvolume ls <vol_name> <group_name>
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// ListSubVolumes returns a list of subvolumes belonging to the volume and
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// optional subvolume group.
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func (fsa *FSAdmin) ListSubVolumes(volume, group string) ([]string, error) {
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m := map[string]string{
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"prefix": "fs subvolume ls",
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"vol_name": volume,
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"format": "json",
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}
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if group != NoGroup {
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m["group_name"] = group
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}
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return parseListNames(fsa.marshalMgrCommand(m))
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}
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// command:
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// fs subvolume rm <vol_name> <sub_name> <group_name> <force>
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// RemoveSubVolume will delete a CephFS subvolume in a volume and optional
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// subvolume group.
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func (fsa *FSAdmin) RemoveSubVolume(volume, group, name string) error {
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m := map[string]string{
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"prefix": "fs subvolume rm",
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"vol_name": volume,
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"sub_name": name,
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"format": "json",
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}
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if group != NoGroup {
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m["group_name"] = group
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}
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return checkEmptyResponseExpected(fsa.marshalMgrCommand(m))
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}
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