mirror of
https://github.com/ceph/go-ceph
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b242e6b449
Adds types to work with the ceph cluster (the admin type) and a type to work with the "level spec" - which is unfortunately not well described in the ceph docs, but I think I worked it out well enough by reading the ceph sources. Signed-off-by: John Mulligan <jmulligan@redhat.com>
52 lines
1.4 KiB
Go
52 lines
1.4 KiB
Go
// +build !nautilus
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package admin
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import (
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"fmt"
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ccom "github.com/ceph/go-ceph/common/commands"
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)
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// RBDAdmin is used to administrate rbd volumes and pools.
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type RBDAdmin struct {
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conn ccom.RadosCommander
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}
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// NewFromConn creates an new management object from a preexisting
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// rados connection. The existing connection can be rados.Conn or any
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// type implementing the RadosCommander interface.
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func NewFromConn(conn ccom.RadosCommander) *RBDAdmin {
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return &RBDAdmin{conn}
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}
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// LevelSpec values are used to identify RBD objects wherever Ceph APIs
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// require a levelspec to select an image, pool, or namespace.
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type LevelSpec struct {
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spec string
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}
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// NewLevelSpec is used to construct a LevelSpec given a pool and
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// optional namespace and image names.
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func NewLevelSpec(pool, namespace, image string) LevelSpec {
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var s string
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if image != "" && namespace != "" {
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s = fmt.Sprintf("%s/%s/%s", pool, namespace, image)
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} else if image != "" {
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s = fmt.Sprintf("%s/%s", pool, image)
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} else if namespace != "" {
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s = fmt.Sprintf("%s/%s/", pool, namespace)
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} else {
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s = fmt.Sprintf("%s/", pool)
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}
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return LevelSpec{s}
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}
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// NewRawLevelSpec returns a LevelSpec directly based on the spec string
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// argument without constructing it from component values. This should only be
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// used if NewLevelSpec can not create the levelspec value you want to pass to
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// ceph.
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func NewRawLevelSpec(spec string) LevelSpec {
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return LevelSpec{spec}
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}
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