go-ceph/rbd/mirror_desc_status.go
Sven Anderson 5f757453ab rbd: promote preview API for release v0.23.0
Signed-off-by: Sven Anderson <sven@redhat.com>
2023-08-14 14:43:57 +00:00

73 lines
2.3 KiB
Go

//go:build !nautilus
// +build !nautilus
package rbd
// #cgo LDFLAGS: -lrbd
// #include <stdlib.h>
// #include <rbd/librbd.h>
import "C"
import (
"encoding/json"
"strings"
)
// MirrorDescriptionReplayStatus contains information pertaining to the status
// of snapshot based RBD image mirroring.
type MirrorDescriptionReplayStatus struct {
ReplayState string `json:"replay_state"`
RemoteSnapshotTimestamp int64 `json:"remote_snapshot_timestamp"`
LocalSnapshotTimestamp int64 `json:"local_snapshot_timestamp"`
SyncingSnapshotTimestamp int64 `json:"syncing_snapshot_timestamp"`
SyncingPercent int `json:"syncing_percent"`
BytesPerSecond float64 `json:"bytes_per_second"`
BytesPerSnapshot float64 `json:"bytes_per_snapshot"`
LastSnapshotSyncSeconds int64 `json:"last_snapshot_sync_seconds"`
LastSnapshotBytes int64 `json:"last_snapshot_bytes"`
}
// extractDescriptionJSON will extract one string containing a JSON object from
// the description if one can be found.
func (s *SiteMirrorImageStatus) extractDescriptionJSON() (string, error) {
start := strings.Index(s.Description, "{")
if start == -1 {
return "", ErrNotExist
}
end := strings.LastIndex(s.Description, "}")
if end == -1 {
return "", ErrNotExist
}
if start >= end {
return "", ErrNotExist
}
return s.Description[start : end+1], nil
}
// UnmarshalDescriptionJSON parses an embedded JSON string that may be found in
// the description of the SiteMirrorImageStatus. It will store the result in
// the value pointed to by v. If no embedded JSON string is found an
// ErrNotExist error is returned. An error may also be returned if the contents
// can not be parsed.
func (s *SiteMirrorImageStatus) UnmarshalDescriptionJSON(v interface{}) error {
desc, err := s.extractDescriptionJSON()
if err != nil {
return err
}
return json.Unmarshal([]byte(desc), v)
}
// DescriptionReplayStatus parses a MirrorDescriptionReplayStatus result out of
// the image status description field if available. If the embedded status JSON
// is not found or fails to parse and error will be returned.
func (s *SiteMirrorImageStatus) DescriptionReplayStatus() (
*MirrorDescriptionReplayStatus, error,
) {
// ---
mdrs := MirrorDescriptionReplayStatus{}
if err := s.UnmarshalDescriptionJSON(&mdrs); err != nil {
return nil, err
}
return &mdrs, nil
}