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https://gitee.com/milvus-io/milvus.git
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b0a12116c8
Signed-off-by: longjiquan <jiquan.long@zilliz.com> Signed-off-by: longjiquan <jiquan.long@zilliz.com>
89 lines
2.2 KiB
Go
89 lines
2.2 KiB
Go
package backend
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import (
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"encoding/json"
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"github.com/milvus-io/milvus/cmd/tools/migration/console"
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"github.com/golang/protobuf/proto"
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)
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type BackupHeaderVersion int32
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const (
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BackupHeaderVersionV1 BackupHeaderVersion = iota
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)
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// BackupHeader stores etcd backup header information
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type BackupHeader struct {
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// Version number for backup format
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Version BackupHeaderVersion `protobuf:"varint,1,opt,name=version,proto3" json:"version,omitempty"`
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// instance name, as rootPath for key prefix
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Instance string `protobuf:"bytes,2,opt,name=instance,proto3" json:"instance,omitempty"`
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// MetaPath used in keys
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MetaPath string `protobuf:"bytes,3,opt,name=meta_path,proto3" json:"meta_path,omitempty"`
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// Entries record number of key-value in backup
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Entries int64 `protobuf:"varint,4,opt,name=entries,proto3" json:"entries,omitempty"`
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// Component is the backup target
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Component string `protobuf:"bytes,5,opt,name=component,proto3" json:"component,omitempty"`
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// Extra property reserved
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Extra []byte `protobuf:"bytes,6,opt,name=extra,proto3" json:"-"`
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}
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func (v *BackupHeader) Reset() {
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*v = BackupHeader{}
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}
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func (v *BackupHeader) String() string {
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return proto.CompactTextString(v)
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}
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func (v *BackupHeader) ProtoMessage() {}
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type BackupHeaderExtra struct {
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EntryIncludeRootPath bool `json:"entry_include_root_path"`
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}
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type extraOption func(extra *BackupHeaderExtra)
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func setEntryIncludeRootPath(include bool) extraOption {
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return func(extra *BackupHeaderExtra) {
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extra.EntryIncludeRootPath = include
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}
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}
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func newDefaultBackupHeaderExtra() *BackupHeaderExtra {
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return &BackupHeaderExtra{EntryIncludeRootPath: false}
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}
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func newBackupHeaderExtra(opts ...extraOption) *BackupHeaderExtra {
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v := newDefaultBackupHeaderExtra()
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v.apply(opts...)
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return v
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}
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func (v *BackupHeaderExtra) apply(opts ...extraOption) {
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for _, opt := range opts {
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opt(v)
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}
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}
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func (v *BackupHeaderExtra) ToJSONBytes() []byte {
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bs, err := json.Marshal(v)
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if err != nil {
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console.Error(err.Error())
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return nil
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}
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return bs
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}
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func GetExtra(extra []byte) *BackupHeaderExtra {
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var v = newDefaultBackupHeaderExtra()
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err := json.Unmarshal(extra, v)
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if err != nil {
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console.Error(err.Error())
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return v
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}
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return v
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}
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