From 1ec725ea7fe52fedf06aff360b883e4763ec8072 Mon Sep 17 00:00:00 2001
From: Andrew Mason <amason@slack-corp.com>
Date: Fri, 22 Jan 2021 17:04:49 -0500
Subject: [PATCH 1/5] Add GetBackups (formerly `ListBackups`) rpc, generate
 codegen and stubs

Signed-off-by: Andrew Mason <amason@slack-corp.com>
---
 go/vt/proto/mysqlctl/mysqlctl.pb.go         |  97 +++++--
 go/vt/proto/vtctldata/vtctldata.pb.go       | 290 +++++++++++++-------
 go/vt/proto/vtctlservice/vtctlservice.pb.go |  91 ++++--
 go/vt/vtctl/grpcvtctldclient/client_gen.go  |   9 +
 go/vt/vtctl/grpcvtctldserver/server.go      |   5 +
 proto/mysqlctl.proto                        |   6 +
 proto/vtctldata.proto                       |  10 +
 proto/vtctlservice.proto                    |   2 +
 8 files changed, 362 insertions(+), 148 deletions(-)

diff --git a/go/vt/proto/mysqlctl/mysqlctl.pb.go b/go/vt/proto/mysqlctl/mysqlctl.pb.go
index 2b80a9971d9..f7c1b3af765 100644
--- a/go/vt/proto/mysqlctl/mysqlctl.pb.go
+++ b/go/vt/proto/mysqlctl/mysqlctl.pb.go
@@ -351,6 +351,54 @@ func (m *RefreshConfigResponse) XXX_DiscardUnknown() {
 
 var xxx_messageInfo_RefreshConfigResponse proto.InternalMessageInfo
 
+// BackupInfo is the read-only attributes of a mysqlctl/backupstorage.BackupHandle.
+type BackupInfo struct {
+	Name                 string   `protobuf:"bytes,1,opt,name=name,proto3" json:"name,omitempty"`
+	Directory            string   `protobuf:"bytes,2,opt,name=directory,proto3" json:"directory,omitempty"`
+	XXX_NoUnkeyedLiteral struct{} `json:"-"`
+	XXX_unrecognized     []byte   `json:"-"`
+	XXX_sizecache        int32    `json:"-"`
+}
+
+func (m *BackupInfo) Reset()         { *m = BackupInfo{} }
+func (m *BackupInfo) String() string { return proto.CompactTextString(m) }
+func (*BackupInfo) ProtoMessage()    {}
+func (*BackupInfo) Descriptor() ([]byte, []int) {
+	return fileDescriptor_cd8c110e42f9cbb9, []int{10}
+}
+
+func (m *BackupInfo) XXX_Unmarshal(b []byte) error {
+	return xxx_messageInfo_BackupInfo.Unmarshal(m, b)
+}
+func (m *BackupInfo) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	return xxx_messageInfo_BackupInfo.Marshal(b, m, deterministic)
+}
+func (m *BackupInfo) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_BackupInfo.Merge(m, src)
+}
+func (m *BackupInfo) XXX_Size() int {
+	return xxx_messageInfo_BackupInfo.Size(m)
+}
+func (m *BackupInfo) XXX_DiscardUnknown() {
+	xxx_messageInfo_BackupInfo.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_BackupInfo proto.InternalMessageInfo
+
+func (m *BackupInfo) GetName() string {
+	if m != nil {
+		return m.Name
+	}
+	return ""
+}
+
+func (m *BackupInfo) GetDirectory() string {
+	if m != nil {
+		return m.Directory
+	}
+	return ""
+}
+
 func init() {
 	proto.RegisterType((*StartRequest)(nil), "mysqlctl.StartRequest")
 	proto.RegisterType((*StartResponse)(nil), "mysqlctl.StartResponse")
@@ -362,34 +410,37 @@ func init() {
 	proto.RegisterType((*ReinitConfigResponse)(nil), "mysqlctl.ReinitConfigResponse")
 	proto.RegisterType((*RefreshConfigRequest)(nil), "mysqlctl.RefreshConfigRequest")
 	proto.RegisterType((*RefreshConfigResponse)(nil), "mysqlctl.RefreshConfigResponse")
+	proto.RegisterType((*BackupInfo)(nil), "mysqlctl.BackupInfo")
 }
 
 func init() { proto.RegisterFile("mysqlctl.proto", fileDescriptor_cd8c110e42f9cbb9) }
 
 var fileDescriptor_cd8c110e42f9cbb9 = []byte{
-	// 339 bytes of a gzipped FileDescriptorProto
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-	0x02, 0x00, 0x00,
+	// 376 bytes of a gzipped FileDescriptorProto
+	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0x7c, 0x53, 0xdf, 0x4b, 0xc2, 0x40,
+	0x1c, 0xcf, 0xac, 0x98, 0xdf, 0xb4, 0xc5, 0x95, 0x3a, 0x47, 0xa5, 0x0d, 0x2a, 0x9f, 0x1c, 0xd4,
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+	0x53, 0xfc, 0x1c, 0x66, 0x1c, 0xf0, 0x75, 0x20, 0xee, 0x77, 0xbf, 0x01, 0x00, 0x00, 0xff, 0xff,
+	0xd3, 0x4f, 0x5c, 0x33, 0x3e, 0x03, 0x00, 0x00,
 }
 
 // Reference imports to suppress errors if they are not otherwise used.
diff --git a/go/vt/proto/vtctldata/vtctldata.pb.go b/go/vt/proto/vtctldata/vtctldata.pb.go
index 0b7cdd5e83d..46dc4b54750 100644
--- a/go/vt/proto/vtctldata/vtctldata.pb.go
+++ b/go/vt/proto/vtctldata/vtctldata.pb.go
@@ -10,6 +10,7 @@ import (
 	proto "github.com/golang/protobuf/proto"
 	duration "github.com/golang/protobuf/ptypes/duration"
 	logutil "vitess.io/vitess/go/vt/proto/logutil"
+	mysqlctl "vitess.io/vitess/go/vt/proto/mysqlctl"
 	tabletmanagerdata "vitess.io/vitess/go/vt/proto/tabletmanagerdata"
 	topodata "vitess.io/vitess/go/vt/proto/topodata"
 	vschema "vitess.io/vitess/go/vt/proto/vschema"
@@ -115,6 +116,92 @@ func (m *ExecuteVtctlCommandResponse) GetEvent() *logutil.Event {
 	return nil
 }
 
+type GetBackupsRequest struct {
+	Keyspace             string   `protobuf:"bytes,1,opt,name=keyspace,proto3" json:"keyspace,omitempty"`
+	Shard                string   `protobuf:"bytes,2,opt,name=shard,proto3" json:"shard,omitempty"`
+	XXX_NoUnkeyedLiteral struct{} `json:"-"`
+	XXX_unrecognized     []byte   `json:"-"`
+	XXX_sizecache        int32    `json:"-"`
+}
+
+func (m *GetBackupsRequest) Reset()         { *m = GetBackupsRequest{} }
+func (m *GetBackupsRequest) String() string { return proto.CompactTextString(m) }
+func (*GetBackupsRequest) ProtoMessage()    {}
+func (*GetBackupsRequest) Descriptor() ([]byte, []int) {
+	return fileDescriptor_f41247b323a1ab2e, []int{2}
+}
+
+func (m *GetBackupsRequest) XXX_Unmarshal(b []byte) error {
+	return xxx_messageInfo_GetBackupsRequest.Unmarshal(m, b)
+}
+func (m *GetBackupsRequest) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	return xxx_messageInfo_GetBackupsRequest.Marshal(b, m, deterministic)
+}
+func (m *GetBackupsRequest) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_GetBackupsRequest.Merge(m, src)
+}
+func (m *GetBackupsRequest) XXX_Size() int {
+	return xxx_messageInfo_GetBackupsRequest.Size(m)
+}
+func (m *GetBackupsRequest) XXX_DiscardUnknown() {
+	xxx_messageInfo_GetBackupsRequest.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_GetBackupsRequest proto.InternalMessageInfo
+
+func (m *GetBackupsRequest) GetKeyspace() string {
+	if m != nil {
+		return m.Keyspace
+	}
+	return ""
+}
+
+func (m *GetBackupsRequest) GetShard() string {
+	if m != nil {
+		return m.Shard
+	}
+	return ""
+}
+
+type GetBackupsResponse struct {
+	Backups              []*mysqlctl.BackupInfo `protobuf:"bytes,1,rep,name=backups,proto3" json:"backups,omitempty"`
+	XXX_NoUnkeyedLiteral struct{}               `json:"-"`
+	XXX_unrecognized     []byte                 `json:"-"`
+	XXX_sizecache        int32                  `json:"-"`
+}
+
+func (m *GetBackupsResponse) Reset()         { *m = GetBackupsResponse{} }
+func (m *GetBackupsResponse) String() string { return proto.CompactTextString(m) }
+func (*GetBackupsResponse) ProtoMessage()    {}
+func (*GetBackupsResponse) Descriptor() ([]byte, []int) {
+	return fileDescriptor_f41247b323a1ab2e, []int{3}
+}
+
+func (m *GetBackupsResponse) XXX_Unmarshal(b []byte) error {
+	return xxx_messageInfo_GetBackupsResponse.Unmarshal(m, b)
+}
+func (m *GetBackupsResponse) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	return xxx_messageInfo_GetBackupsResponse.Marshal(b, m, deterministic)
+}
+func (m *GetBackupsResponse) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_GetBackupsResponse.Merge(m, src)
+}
+func (m *GetBackupsResponse) XXX_Size() int {
+	return xxx_messageInfo_GetBackupsResponse.Size(m)
+}
+func (m *GetBackupsResponse) XXX_DiscardUnknown() {
+	xxx_messageInfo_GetBackupsResponse.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_GetBackupsResponse proto.InternalMessageInfo
+
+func (m *GetBackupsResponse) GetBackups() []*mysqlctl.BackupInfo {
+	if m != nil {
+		return m.Backups
+	}
+	return nil
+}
+
 type GetCellInfoNamesRequest struct {
 	XXX_NoUnkeyedLiteral struct{} `json:"-"`
 	XXX_unrecognized     []byte   `json:"-"`
@@ -125,7 +212,7 @@ func (m *GetCellInfoNamesRequest) Reset()         { *m = GetCellInfoNamesRequest
 func (m *GetCellInfoNamesRequest) String() string { return proto.CompactTextString(m) }
 func (*GetCellInfoNamesRequest) ProtoMessage()    {}
 func (*GetCellInfoNamesRequest) Descriptor() ([]byte, []int) {
-	return fileDescriptor_f41247b323a1ab2e, []int{2}
+	return fileDescriptor_f41247b323a1ab2e, []int{4}
 }
 
 func (m *GetCellInfoNamesRequest) XXX_Unmarshal(b []byte) error {
@@ -157,7 +244,7 @@ func (m *GetCellInfoNamesResponse) Reset()         { *m = GetCellInfoNamesRespon
 func (m *GetCellInfoNamesResponse) String() string { return proto.CompactTextString(m) }
 func (*GetCellInfoNamesResponse) ProtoMessage()    {}
 func (*GetCellInfoNamesResponse) Descriptor() ([]byte, []int) {
-	return fileDescriptor_f41247b323a1ab2e, []int{3}
+	return fileDescriptor_f41247b323a1ab2e, []int{5}
 }
 
 func (m *GetCellInfoNamesResponse) XXX_Unmarshal(b []byte) error {
@@ -196,7 +283,7 @@ func (m *GetCellInfoRequest) Reset()         { *m = GetCellInfoRequest{} }
 func (m *GetCellInfoRequest) String() string { return proto.CompactTextString(m) }
 func (*GetCellInfoRequest) ProtoMessage()    {}
 func (*GetCellInfoRequest) Descriptor() ([]byte, []int) {
-	return fileDescriptor_f41247b323a1ab2e, []int{4}
+	return fileDescriptor_f41247b323a1ab2e, []int{6}
 }
 
 func (m *GetCellInfoRequest) XXX_Unmarshal(b []byte) error {
@@ -235,7 +322,7 @@ func (m *GetCellInfoResponse) Reset()         { *m = GetCellInfoResponse{} }
 func (m *GetCellInfoResponse) String() string { return proto.CompactTextString(m) }
 func (*GetCellInfoResponse) ProtoMessage()    {}
 func (*GetCellInfoResponse) Descriptor() ([]byte, []int) {
-	return fileDescriptor_f41247b323a1ab2e, []int{5}
+	return fileDescriptor_f41247b323a1ab2e, []int{7}
 }
 
 func (m *GetCellInfoResponse) XXX_Unmarshal(b []byte) error {
@@ -273,7 +360,7 @@ func (m *GetCellsAliasesRequest) Reset()         { *m = GetCellsAliasesRequest{}
 func (m *GetCellsAliasesRequest) String() string { return proto.CompactTextString(m) }
 func (*GetCellsAliasesRequest) ProtoMessage()    {}
 func (*GetCellsAliasesRequest) Descriptor() ([]byte, []int) {
-	return fileDescriptor_f41247b323a1ab2e, []int{6}
+	return fileDescriptor_f41247b323a1ab2e, []int{8}
 }
 
 func (m *GetCellsAliasesRequest) XXX_Unmarshal(b []byte) error {
@@ -305,7 +392,7 @@ func (m *GetCellsAliasesResponse) Reset()         { *m = GetCellsAliasesResponse
 func (m *GetCellsAliasesResponse) String() string { return proto.CompactTextString(m) }
 func (*GetCellsAliasesResponse) ProtoMessage()    {}
 func (*GetCellsAliasesResponse) Descriptor() ([]byte, []int) {
-	return fileDescriptor_f41247b323a1ab2e, []int{7}
+	return fileDescriptor_f41247b323a1ab2e, []int{9}
 }
 
 func (m *GetCellsAliasesResponse) XXX_Unmarshal(b []byte) error {
@@ -343,7 +430,7 @@ func (m *GetKeyspacesRequest) Reset()         { *m = GetKeyspacesRequest{} }
 func (m *GetKeyspacesRequest) String() string { return proto.CompactTextString(m) }
 func (*GetKeyspacesRequest) ProtoMessage()    {}
 func (*GetKeyspacesRequest) Descriptor() ([]byte, []int) {
-	return fileDescriptor_f41247b323a1ab2e, []int{8}
+	return fileDescriptor_f41247b323a1ab2e, []int{10}
 }
 
 func (m *GetKeyspacesRequest) XXX_Unmarshal(b []byte) error {
@@ -375,7 +462,7 @@ func (m *GetKeyspacesResponse) Reset()         { *m = GetKeyspacesResponse{} }
 func (m *GetKeyspacesResponse) String() string { return proto.CompactTextString(m) }
 func (*GetKeyspacesResponse) ProtoMessage()    {}
 func (*GetKeyspacesResponse) Descriptor() ([]byte, []int) {
-	return fileDescriptor_f41247b323a1ab2e, []int{9}
+	return fileDescriptor_f41247b323a1ab2e, []int{11}
 }
 
 func (m *GetKeyspacesResponse) XXX_Unmarshal(b []byte) error {
@@ -414,7 +501,7 @@ func (m *GetKeyspaceRequest) Reset()         { *m = GetKeyspaceRequest{} }
 func (m *GetKeyspaceRequest) String() string { return proto.CompactTextString(m) }
 func (*GetKeyspaceRequest) ProtoMessage()    {}
 func (*GetKeyspaceRequest) Descriptor() ([]byte, []int) {
-	return fileDescriptor_f41247b323a1ab2e, []int{10}
+	return fileDescriptor_f41247b323a1ab2e, []int{12}
 }
 
 func (m *GetKeyspaceRequest) XXX_Unmarshal(b []byte) error {
@@ -453,7 +540,7 @@ func (m *GetKeyspaceResponse) Reset()         { *m = GetKeyspaceResponse{} }
 func (m *GetKeyspaceResponse) String() string { return proto.CompactTextString(m) }
 func (*GetKeyspaceResponse) ProtoMessage()    {}
 func (*GetKeyspaceResponse) Descriptor() ([]byte, []int) {
-	return fileDescriptor_f41247b323a1ab2e, []int{11}
+	return fileDescriptor_f41247b323a1ab2e, []int{13}
 }
 
 func (m *GetKeyspaceResponse) XXX_Unmarshal(b []byte) error {
@@ -507,7 +594,7 @@ func (m *GetSchemaRequest) Reset()         { *m = GetSchemaRequest{} }
 func (m *GetSchemaRequest) String() string { return proto.CompactTextString(m) }
 func (*GetSchemaRequest) ProtoMessage()    {}
 func (*GetSchemaRequest) Descriptor() ([]byte, []int) {
-	return fileDescriptor_f41247b323a1ab2e, []int{12}
+	return fileDescriptor_f41247b323a1ab2e, []int{14}
 }
 
 func (m *GetSchemaRequest) XXX_Unmarshal(b []byte) error {
@@ -581,7 +668,7 @@ func (m *GetSchemaResponse) Reset()         { *m = GetSchemaResponse{} }
 func (m *GetSchemaResponse) String() string { return proto.CompactTextString(m) }
 func (*GetSchemaResponse) ProtoMessage()    {}
 func (*GetSchemaResponse) Descriptor() ([]byte, []int) {
-	return fileDescriptor_f41247b323a1ab2e, []int{13}
+	return fileDescriptor_f41247b323a1ab2e, []int{15}
 }
 
 func (m *GetSchemaResponse) XXX_Unmarshal(b []byte) error {
@@ -620,7 +707,7 @@ func (m *GetSrvVSchemaRequest) Reset()         { *m = GetSrvVSchemaRequest{} }
 func (m *GetSrvVSchemaRequest) String() string { return proto.CompactTextString(m) }
 func (*GetSrvVSchemaRequest) ProtoMessage()    {}
 func (*GetSrvVSchemaRequest) Descriptor() ([]byte, []int) {
-	return fileDescriptor_f41247b323a1ab2e, []int{14}
+	return fileDescriptor_f41247b323a1ab2e, []int{16}
 }
 
 func (m *GetSrvVSchemaRequest) XXX_Unmarshal(b []byte) error {
@@ -659,7 +746,7 @@ func (m *GetSrvVSchemaResponse) Reset()         { *m = GetSrvVSchemaResponse{} }
 func (m *GetSrvVSchemaResponse) String() string { return proto.CompactTextString(m) }
 func (*GetSrvVSchemaResponse) ProtoMessage()    {}
 func (*GetSrvVSchemaResponse) Descriptor() ([]byte, []int) {
-	return fileDescriptor_f41247b323a1ab2e, []int{15}
+	return fileDescriptor_f41247b323a1ab2e, []int{17}
 }
 
 func (m *GetSrvVSchemaResponse) XXX_Unmarshal(b []byte) error {
@@ -698,7 +785,7 @@ func (m *GetTabletRequest) Reset()         { *m = GetTabletRequest{} }
 func (m *GetTabletRequest) String() string { return proto.CompactTextString(m) }
 func (*GetTabletRequest) ProtoMessage()    {}
 func (*GetTabletRequest) Descriptor() ([]byte, []int) {
-	return fileDescriptor_f41247b323a1ab2e, []int{16}
+	return fileDescriptor_f41247b323a1ab2e, []int{18}
 }
 
 func (m *GetTabletRequest) XXX_Unmarshal(b []byte) error {
@@ -737,7 +824,7 @@ func (m *GetTabletResponse) Reset()         { *m = GetTabletResponse{} }
 func (m *GetTabletResponse) String() string { return proto.CompactTextString(m) }
 func (*GetTabletResponse) ProtoMessage()    {}
 func (*GetTabletResponse) Descriptor() ([]byte, []int) {
-	return fileDescriptor_f41247b323a1ab2e, []int{17}
+	return fileDescriptor_f41247b323a1ab2e, []int{19}
 }
 
 func (m *GetTabletResponse) XXX_Unmarshal(b []byte) error {
@@ -783,7 +870,7 @@ func (m *GetTabletsRequest) Reset()         { *m = GetTabletsRequest{} }
 func (m *GetTabletsRequest) String() string { return proto.CompactTextString(m) }
 func (*GetTabletsRequest) ProtoMessage()    {}
 func (*GetTabletsRequest) Descriptor() ([]byte, []int) {
-	return fileDescriptor_f41247b323a1ab2e, []int{18}
+	return fileDescriptor_f41247b323a1ab2e, []int{20}
 }
 
 func (m *GetTabletsRequest) XXX_Unmarshal(b []byte) error {
@@ -836,7 +923,7 @@ func (m *GetTabletsResponse) Reset()         { *m = GetTabletsResponse{} }
 func (m *GetTabletsResponse) String() string { return proto.CompactTextString(m) }
 func (*GetTabletsResponse) ProtoMessage()    {}
 func (*GetTabletsResponse) Descriptor() ([]byte, []int) {
-	return fileDescriptor_f41247b323a1ab2e, []int{19}
+	return fileDescriptor_f41247b323a1ab2e, []int{21}
 }
 
 func (m *GetTabletsResponse) XXX_Unmarshal(b []byte) error {
@@ -879,7 +966,7 @@ func (m *InitShardPrimaryRequest) Reset()         { *m = InitShardPrimaryRequest
 func (m *InitShardPrimaryRequest) String() string { return proto.CompactTextString(m) }
 func (*InitShardPrimaryRequest) ProtoMessage()    {}
 func (*InitShardPrimaryRequest) Descriptor() ([]byte, []int) {
-	return fileDescriptor_f41247b323a1ab2e, []int{20}
+	return fileDescriptor_f41247b323a1ab2e, []int{22}
 }
 
 func (m *InitShardPrimaryRequest) XXX_Unmarshal(b []byte) error {
@@ -946,7 +1033,7 @@ func (m *InitShardPrimaryResponse) Reset()         { *m = InitShardPrimaryRespon
 func (m *InitShardPrimaryResponse) String() string { return proto.CompactTextString(m) }
 func (*InitShardPrimaryResponse) ProtoMessage()    {}
 func (*InitShardPrimaryResponse) Descriptor() ([]byte, []int) {
-	return fileDescriptor_f41247b323a1ab2e, []int{21}
+	return fileDescriptor_f41247b323a1ab2e, []int{23}
 }
 
 func (m *InitShardPrimaryResponse) XXX_Unmarshal(b []byte) error {
@@ -986,7 +1073,7 @@ func (m *Keyspace) Reset()         { *m = Keyspace{} }
 func (m *Keyspace) String() string { return proto.CompactTextString(m) }
 func (*Keyspace) ProtoMessage()    {}
 func (*Keyspace) Descriptor() ([]byte, []int) {
-	return fileDescriptor_f41247b323a1ab2e, []int{22}
+	return fileDescriptor_f41247b323a1ab2e, []int{24}
 }
 
 func (m *Keyspace) XXX_Unmarshal(b []byte) error {
@@ -1032,7 +1119,7 @@ func (m *FindAllShardsInKeyspaceRequest) Reset()         { *m = FindAllShardsInK
 func (m *FindAllShardsInKeyspaceRequest) String() string { return proto.CompactTextString(m) }
 func (*FindAllShardsInKeyspaceRequest) ProtoMessage()    {}
 func (*FindAllShardsInKeyspaceRequest) Descriptor() ([]byte, []int) {
-	return fileDescriptor_f41247b323a1ab2e, []int{23}
+	return fileDescriptor_f41247b323a1ab2e, []int{25}
 }
 
 func (m *FindAllShardsInKeyspaceRequest) XXX_Unmarshal(b []byte) error {
@@ -1071,7 +1158,7 @@ func (m *FindAllShardsInKeyspaceResponse) Reset()         { *m = FindAllShardsIn
 func (m *FindAllShardsInKeyspaceResponse) String() string { return proto.CompactTextString(m) }
 func (*FindAllShardsInKeyspaceResponse) ProtoMessage()    {}
 func (*FindAllShardsInKeyspaceResponse) Descriptor() ([]byte, []int) {
-	return fileDescriptor_f41247b323a1ab2e, []int{24}
+	return fileDescriptor_f41247b323a1ab2e, []int{26}
 }
 
 func (m *FindAllShardsInKeyspaceResponse) XXX_Unmarshal(b []byte) error {
@@ -1112,7 +1199,7 @@ func (m *Shard) Reset()         { *m = Shard{} }
 func (m *Shard) String() string { return proto.CompactTextString(m) }
 func (*Shard) ProtoMessage()    {}
 func (*Shard) Descriptor() ([]byte, []int) {
-	return fileDescriptor_f41247b323a1ab2e, []int{25}
+	return fileDescriptor_f41247b323a1ab2e, []int{27}
 }
 
 func (m *Shard) XXX_Unmarshal(b []byte) error {
@@ -1172,7 +1259,7 @@ func (m *TableMaterializeSettings) Reset()         { *m = TableMaterializeSettin
 func (m *TableMaterializeSettings) String() string { return proto.CompactTextString(m) }
 func (*TableMaterializeSettings) ProtoMessage()    {}
 func (*TableMaterializeSettings) Descriptor() ([]byte, []int) {
-	return fileDescriptor_f41247b323a1ab2e, []int{26}
+	return fileDescriptor_f41247b323a1ab2e, []int{28}
 }
 
 func (m *TableMaterializeSettings) XXX_Unmarshal(b []byte) error {
@@ -1235,7 +1322,7 @@ func (m *MaterializeSettings) Reset()         { *m = MaterializeSettings{} }
 func (m *MaterializeSettings) String() string { return proto.CompactTextString(m) }
 func (*MaterializeSettings) ProtoMessage()    {}
 func (*MaterializeSettings) Descriptor() ([]byte, []int) {
-	return fileDescriptor_f41247b323a1ab2e, []int{27}
+	return fileDescriptor_f41247b323a1ab2e, []int{29}
 }
 
 func (m *MaterializeSettings) XXX_Unmarshal(b []byte) error {
@@ -1308,6 +1395,8 @@ func (m *MaterializeSettings) GetTabletTypes() string {
 func init() {
 	proto.RegisterType((*ExecuteVtctlCommandRequest)(nil), "vtctldata.ExecuteVtctlCommandRequest")
 	proto.RegisterType((*ExecuteVtctlCommandResponse)(nil), "vtctldata.ExecuteVtctlCommandResponse")
+	proto.RegisterType((*GetBackupsRequest)(nil), "vtctldata.GetBackupsRequest")
+	proto.RegisterType((*GetBackupsResponse)(nil), "vtctldata.GetBackupsResponse")
 	proto.RegisterType((*GetCellInfoNamesRequest)(nil), "vtctldata.GetCellInfoNamesRequest")
 	proto.RegisterType((*GetCellInfoNamesResponse)(nil), "vtctldata.GetCellInfoNamesResponse")
 	proto.RegisterType((*GetCellInfoRequest)(nil), "vtctldata.GetCellInfoRequest")
@@ -1341,77 +1430,80 @@ func init() {
 func init() { proto.RegisterFile("vtctldata.proto", fileDescriptor_f41247b323a1ab2e) }
 
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diff --git a/go/vt/proto/vtctlservice/vtctlservice.pb.go b/go/vt/proto/vtctlservice/vtctlservice.pb.go
index 86f6bd31d38..620ef228e9c 100644
--- a/go/vt/proto/vtctlservice/vtctlservice.pb.go
+++ b/go/vt/proto/vtctlservice/vtctlservice.pb.go
@@ -29,32 +29,33 @@ const _ = proto.ProtoPackageIsVersion3 // please upgrade the proto package
 func init() { proto.RegisterFile("vtctlservice.proto", fileDescriptor_27055cdbb1148d2b) }
 
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+	0xf8, 0x7d, 0xe2, 0x02, 0xc5, 0xd5, 0x74, 0x53, 0x0a, 0x72, 0xf1, 0xd5, 0xd6, 0x1a, 0xa1, 0xef,
+	0xa3, 0x43, 0x89, 0xe2, 0x72, 0x76, 0x17, 0x97, 0x56, 0x74, 0x58, 0xf8, 0xc6, 0xa8, 0xb0, 0x02,
+	0xb4, 0xe9, 0xd8, 0x84, 0x02, 0xc5, 0x97, 0x9b, 0x4d, 0x9c, 0x71, 0x6f, 0x75, 0x5b, 0x89, 0x32,
+	0xab, 0xb8, 0x3f, 0x65, 0x56, 0xf5, 0xce, 0x2a, 0x3a, 0x2c, 0x7c, 0xaf, 0x28, 0x2f, 0x01, 0x8a,
+	0x35, 0x1d, 0x62, 0xca, 0x73, 0x2d, 0x17, 0xca, 0x67, 0x74, 0xd0, 0x01, 0x36, 0x30, 0xa7, 0xe0,
+	0x12, 0x7c, 0x96, 0xae, 0x4f, 0x52, 0x2e, 0x2b, 0x65, 0x43, 0x61, 0x1a, 0xa2, 0xa3, 0x65, 0x1c,
+	0x46, 0xa3, 0x95, 0x4d, 0x39, 0x7d, 0x4d, 0xb8, 0xf1, 0x42, 0x5f, 0xa0, 0xcc, 0x37, 0x24, 0x13,
+	0x07, 0x98, 0x3a, 0x5f, 0x92, 0x6a, 0xe6, 0xe3, 0x50, 0x59, 0xf2, 0x24, 0xde, 0x58, 0xf2, 0x55,
+	0xac, 0x59, 0x72, 0x41, 0xe5, 0x25, 0xef, 0x7a, 0x36, 0x8b, 0xff, 0x53, 0x2f, 0xa1, 0xed, 0x92,
+	0x70, 0x91, 0x5a, 0x72, 0x15, 0x66, 0x2d, 0xf9, 0x66, 0x0d, 0xd7, 0xb7, 0xee, 0xc6, 0xb5, 0xc8,
+	0x66, 0x40, 0x69, 0xdd, 0xf6, 0x8d, 0xe4, 0x97, 0xf1, 0xe9, 0x1b, 0x11, 0x33, 0xe2, 0x27, 0xca,
+	0x90, 0x1f, 0xb0, 0x49, 0x2e, 0xce, 0x1e, 0x7e, 0x03, 0x00, 0x00, 0xff, 0xff, 0x1e, 0x26, 0xdd,
+	0x4b, 0xeb, 0x04, 0x00, 0x00,
 }
 
 // Reference imports to suppress errors if they are not otherwise used.
@@ -171,6 +172,8 @@ type VtctldClient interface {
 	// FindAllShardsInKeyspace returns a map of shard names to shard references
 	// for a given keyspace.
 	FindAllShardsInKeyspace(ctx context.Context, in *vtctldata.FindAllShardsInKeyspaceRequest, opts ...grpc.CallOption) (*vtctldata.FindAllShardsInKeyspaceResponse, error)
+	// GetBackups returns all the backups for a shard.
+	GetBackups(ctx context.Context, in *vtctldata.GetBackupsRequest, opts ...grpc.CallOption) (*vtctldata.GetBackupsResponse, error)
 	// GetCellInfoNames returns all the cells for which we have a CellInfo object,
 	// meaning we have a topology service registered.
 	GetCellInfoNames(ctx context.Context, in *vtctldata.GetCellInfoNamesRequest, opts ...grpc.CallOption) (*vtctldata.GetCellInfoNamesResponse, error)
@@ -218,6 +221,15 @@ func (c *vtctldClient) FindAllShardsInKeyspace(ctx context.Context, in *vtctldat
 	return out, nil
 }
 
+func (c *vtctldClient) GetBackups(ctx context.Context, in *vtctldata.GetBackupsRequest, opts ...grpc.CallOption) (*vtctldata.GetBackupsResponse, error) {
+	out := new(vtctldata.GetBackupsResponse)
+	err := c.cc.Invoke(ctx, "/vtctlservice.Vtctld/GetBackups", in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
 func (c *vtctldClient) GetCellInfoNames(ctx context.Context, in *vtctldata.GetCellInfoNamesRequest, opts ...grpc.CallOption) (*vtctldata.GetCellInfoNamesResponse, error) {
 	out := new(vtctldata.GetCellInfoNamesResponse)
 	err := c.cc.Invoke(ctx, "/vtctlservice.Vtctld/GetCellInfoNames", in, out, opts...)
@@ -313,6 +325,8 @@ type VtctldServer interface {
 	// FindAllShardsInKeyspace returns a map of shard names to shard references
 	// for a given keyspace.
 	FindAllShardsInKeyspace(context.Context, *vtctldata.FindAllShardsInKeyspaceRequest) (*vtctldata.FindAllShardsInKeyspaceResponse, error)
+	// GetBackups returns all the backups for a shard.
+	GetBackups(context.Context, *vtctldata.GetBackupsRequest) (*vtctldata.GetBackupsResponse, error)
 	// GetCellInfoNames returns all the cells for which we have a CellInfo object,
 	// meaning we have a topology service registered.
 	GetCellInfoNames(context.Context, *vtctldata.GetCellInfoNamesRequest) (*vtctldata.GetCellInfoNamesResponse, error)
@@ -350,6 +364,9 @@ type UnimplementedVtctldServer struct {
 func (*UnimplementedVtctldServer) FindAllShardsInKeyspace(ctx context.Context, req *vtctldata.FindAllShardsInKeyspaceRequest) (*vtctldata.FindAllShardsInKeyspaceResponse, error) {
 	return nil, status.Errorf(codes.Unimplemented, "method FindAllShardsInKeyspace not implemented")
 }
+func (*UnimplementedVtctldServer) GetBackups(ctx context.Context, req *vtctldata.GetBackupsRequest) (*vtctldata.GetBackupsResponse, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method GetBackups not implemented")
+}
 func (*UnimplementedVtctldServer) GetCellInfoNames(ctx context.Context, req *vtctldata.GetCellInfoNamesRequest) (*vtctldata.GetCellInfoNamesResponse, error) {
 	return nil, status.Errorf(codes.Unimplemented, "method GetCellInfoNames not implemented")
 }
@@ -403,6 +420,24 @@ func _Vtctld_FindAllShardsInKeyspace_Handler(srv interface{}, ctx context.Contex
 	return interceptor(ctx, in, info, handler)
 }
 
+func _Vtctld_GetBackups_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(vtctldata.GetBackupsRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(VtctldServer).GetBackups(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: "/vtctlservice.Vtctld/GetBackups",
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(VtctldServer).GetBackups(ctx, req.(*vtctldata.GetBackupsRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
 func _Vtctld_GetCellInfoNames_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
 	in := new(vtctldata.GetCellInfoNamesRequest)
 	if err := dec(in); err != nil {
@@ -591,6 +626,10 @@ var _Vtctld_serviceDesc = grpc.ServiceDesc{
 			MethodName: "FindAllShardsInKeyspace",
 			Handler:    _Vtctld_FindAllShardsInKeyspace_Handler,
 		},
+		{
+			MethodName: "GetBackups",
+			Handler:    _Vtctld_GetBackups_Handler,
+		},
 		{
 			MethodName: "GetCellInfoNames",
 			Handler:    _Vtctld_GetCellInfoNames_Handler,
diff --git a/go/vt/vtctl/grpcvtctldclient/client_gen.go b/go/vt/vtctl/grpcvtctldclient/client_gen.go
index 0743ed1e3c4..ec2fe75265f 100644
--- a/go/vt/vtctl/grpcvtctldclient/client_gen.go
+++ b/go/vt/vtctl/grpcvtctldclient/client_gen.go
@@ -37,6 +37,15 @@ func (client *gRPCVtctldClient) FindAllShardsInKeyspace(ctx context.Context, in
 	return client.c.FindAllShardsInKeyspace(ctx, in, opts...)
 }
 
+// GetBackups is part of the vtctlservicepb.VtctldClient interface.
+func (client *gRPCVtctldClient) GetBackups(ctx context.Context, in *vtctldatapb.GetBackupsRequest, opts ...grpc.CallOption) (*vtctldatapb.GetBackupsResponse, error) {
+	if client.c == nil {
+		return nil, status.Error(codes.Unavailable, connClosedMsg)
+	}
+
+	return client.c.GetBackups(ctx, in, opts...)
+}
+
 // GetCellInfo is part of the vtctlservicepb.VtctldClient interface.
 func (client *gRPCVtctldClient) GetCellInfo(ctx context.Context, in *vtctldatapb.GetCellInfoRequest, opts ...grpc.CallOption) (*vtctldatapb.GetCellInfoResponse, error) {
 	if client.c == nil {
diff --git a/go/vt/vtctl/grpcvtctldserver/server.go b/go/vt/vtctl/grpcvtctldserver/server.go
index 57bd6026055..88f1e7de20e 100644
--- a/go/vt/vtctl/grpcvtctldserver/server.go
+++ b/go/vt/vtctl/grpcvtctldserver/server.go
@@ -81,6 +81,11 @@ func (s *VtctldServer) FindAllShardsInKeyspace(ctx context.Context, req *vtctlda
 	}, nil
 }
 
+// GetBackups is part of the vtctldservicepb.VtctldServer interface.
+func (s *VtctldServer) GetBackups(ctx context.Context, req *vtctldatapb.GetBackupsRequest) (*vtctldatapb.GetBackupsResponse, error) {
+	panic("unimplemented!")
+}
+
 // GetCellInfoNames is part of the vtctlservicepb.VtctldServer interface.
 func (s *VtctldServer) GetCellInfoNames(ctx context.Context, req *vtctldatapb.GetCellInfoNamesRequest) (*vtctldatapb.GetCellInfoNamesResponse, error) {
 	names, err := s.ts.GetCellInfoNames(ctx)
diff --git a/proto/mysqlctl.proto b/proto/mysqlctl.proto
index 274f82e74c6..adcd921d004 100644
--- a/proto/mysqlctl.proto
+++ b/proto/mysqlctl.proto
@@ -54,3 +54,9 @@ service MysqlCtl {
   rpc ReinitConfig(ReinitConfigRequest) returns (ReinitConfigResponse) {};
   rpc RefreshConfig(RefreshConfigRequest) returns (RefreshConfigResponse) {};
 }
+
+// BackupInfo is the read-only attributes of a mysqlctl/backupstorage.BackupHandle.
+message BackupInfo {
+  string name = 1;
+  string directory = 2;
+}
diff --git a/proto/vtctldata.proto b/proto/vtctldata.proto
index 1336d019130..8ba152d65a8 100644
--- a/proto/vtctldata.proto
+++ b/proto/vtctldata.proto
@@ -25,6 +25,7 @@ package vtctldata;
 import "google/protobuf/duration.proto";
 
 import "logutil.proto";
+import "mysqlctl.proto";
 import "tabletmanagerdata.proto";
 import "topodata.proto";
 import "vschema.proto";
@@ -41,6 +42,15 @@ message ExecuteVtctlCommandResponse {
   logutil.Event event = 1;
 }
 
+message GetBackupsRequest {
+  string keyspace = 1;
+  string shard = 2;
+}
+
+message GetBackupsResponse {
+  repeated mysqlctl.BackupInfo backups = 1;
+}
+
 message GetCellInfoNamesRequest {
 }
 
diff --git a/proto/vtctlservice.proto b/proto/vtctlservice.proto
index 6e659b922ea..549da5b9200 100644
--- a/proto/vtctlservice.proto
+++ b/proto/vtctlservice.proto
@@ -34,6 +34,8 @@ service Vtctld {
   // FindAllShardsInKeyspace returns a map of shard names to shard references
   // for a given keyspace.
   rpc FindAllShardsInKeyspace(vtctldata.FindAllShardsInKeyspaceRequest) returns (vtctldata.FindAllShardsInKeyspaceResponse) {};
+  // GetBackups returns all the backups for a shard.
+  rpc GetBackups(vtctldata.GetBackupsRequest) returns (vtctldata.GetBackupsResponse) {};
   // GetCellInfoNames returns all the cells for which we have a CellInfo object,
   // meaning we have a topology service registered.
   rpc GetCellInfoNames(vtctldata.GetCellInfoNamesRequest) returns (vtctldata.GetCellInfoNamesResponse) {};

From 23108b310d2dabeeefd7d6717e003ac8e8328621 Mon Sep 17 00:00:00 2001
From: Andrew Mason <amason@slack-corp.com>
Date: Fri, 22 Jan 2021 21:36:46 -0500
Subject: [PATCH 2/5] Add utility package for working with mysqlctlpb types,
 similar to topoproto

Signed-off-by: Andrew Mason <amason@slack-corp.com>
---
 go/vt/mysqlctl/mysqlctlproto/backup.go | 31 ++++++++++++++++++++++++++
 go/vt/mysqlctl/mysqlctlproto/doc.go    | 21 +++++++++++++++++
 2 files changed, 52 insertions(+)
 create mode 100644 go/vt/mysqlctl/mysqlctlproto/backup.go
 create mode 100644 go/vt/mysqlctl/mysqlctlproto/doc.go

diff --git a/go/vt/mysqlctl/mysqlctlproto/backup.go b/go/vt/mysqlctl/mysqlctlproto/backup.go
new file mode 100644
index 00000000000..6fa2755b441
--- /dev/null
+++ b/go/vt/mysqlctl/mysqlctlproto/backup.go
@@ -0,0 +1,31 @@
+/*
+Copyright 2021 The Vitess Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+	http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package mysqlctlproto
+
+import (
+	"vitess.io/vitess/go/vt/mysqlctl/backupstorage"
+
+	mysqlctlpb "vitess.io/vitess/go/vt/proto/mysqlctl"
+)
+
+// BackupHandleToProto returns a BackupInfo proto from a BackupHandle.
+func BackupHandleToProto(bh backupstorage.BackupHandle) *mysqlctlpb.BackupInfo {
+	return &mysqlctlpb.BackupInfo{
+		Name:      bh.Name(),
+		Directory: bh.Directory(),
+	}
+}
diff --git a/go/vt/mysqlctl/mysqlctlproto/doc.go b/go/vt/mysqlctl/mysqlctlproto/doc.go
new file mode 100644
index 00000000000..cf77ea853ff
--- /dev/null
+++ b/go/vt/mysqlctl/mysqlctlproto/doc.go
@@ -0,0 +1,21 @@
+/*
+Copyright 2021 The Vitess Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+	http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+/*
+Package mysqlctlproto provides utility functions for working with data
+structures in mysqlctl.proto.
+*/
+package mysqlctlproto

From cb75d841c212c848af8639f9e76b2ac2f368f10d Mon Sep 17 00:00:00 2001
From: Andrew Mason <amason@slack-corp.com>
Date: Fri, 22 Jan 2021 21:37:26 -0500
Subject: [PATCH 3/5] Implement `GetBackups`, add testutil BackupStorage
 implementation, add tests

Signed-off-by: Andrew Mason <amason@slack-corp.com>
---
 go/vt/vtctl/grpcvtctldserver/server.go        | 27 +++++-
 go/vt/vtctl/grpcvtctldserver/server_test.go   | 55 +++++++++++
 .../testutil/test_backupstorage.go            | 92 +++++++++++++++++++
 3 files changed, 173 insertions(+), 1 deletion(-)
 create mode 100644 go/vt/vtctl/grpcvtctldserver/testutil/test_backupstorage.go

diff --git a/go/vt/vtctl/grpcvtctldserver/server.go b/go/vt/vtctl/grpcvtctldserver/server.go
index 88f1e7de20e..908b297a0ce 100644
--- a/go/vt/vtctl/grpcvtctldserver/server.go
+++ b/go/vt/vtctl/grpcvtctldserver/server.go
@@ -19,6 +19,7 @@ package grpcvtctldserver
 import (
 	"context"
 	"fmt"
+	"path/filepath"
 	"sync"
 	"time"
 
@@ -30,6 +31,8 @@ import (
 	"vitess.io/vitess/go/vt/concurrency"
 	"vitess.io/vitess/go/vt/log"
 	"vitess.io/vitess/go/vt/logutil"
+	"vitess.io/vitess/go/vt/mysqlctl/backupstorage"
+	"vitess.io/vitess/go/vt/mysqlctl/mysqlctlproto"
 	"vitess.io/vitess/go/vt/topo"
 	"vitess.io/vitess/go/vt/topo/topoproto"
 	"vitess.io/vitess/go/vt/topotools"
@@ -38,6 +41,7 @@ import (
 	"vitess.io/vitess/go/vt/vttablet/tmclient"
 
 	logutilpb "vitess.io/vitess/go/vt/proto/logutil"
+	mysqlctlpb "vitess.io/vitess/go/vt/proto/mysqlctl"
 	tabletmanagerdatapb "vitess.io/vitess/go/vt/proto/tabletmanagerdata"
 	topodatapb "vitess.io/vitess/go/vt/proto/topodata"
 	vtctldatapb "vitess.io/vitess/go/vt/proto/vtctldata"
@@ -83,7 +87,28 @@ func (s *VtctldServer) FindAllShardsInKeyspace(ctx context.Context, req *vtctlda
 
 // GetBackups is part of the vtctldservicepb.VtctldServer interface.
 func (s *VtctldServer) GetBackups(ctx context.Context, req *vtctldatapb.GetBackupsRequest) (*vtctldatapb.GetBackupsResponse, error) {
-	panic("unimplemented!")
+	bs, err := backupstorage.GetBackupStorage()
+	if err != nil {
+		return nil, err
+	}
+
+	defer bs.Close()
+
+	bucket := filepath.Join(req.Keyspace, req.Shard)
+	bhs, err := bs.ListBackups(ctx, bucket)
+	if err != nil {
+		return nil, err
+	}
+
+	resp := &vtctldatapb.GetBackupsResponse{
+		Backups: make([]*mysqlctlpb.BackupInfo, len(bhs)),
+	}
+
+	for i, bh := range bhs {
+		resp.Backups[i] = mysqlctlproto.BackupHandleToProto(bh)
+	}
+
+	return resp, nil
 }
 
 // GetCellInfoNames is part of the vtctlservicepb.VtctldServer interface.
diff --git a/go/vt/vtctl/grpcvtctldserver/server_test.go b/go/vt/vtctl/grpcvtctldserver/server_test.go
index cdc6003e80c..ad1b466e3cc 100644
--- a/go/vt/vtctl/grpcvtctldserver/server_test.go
+++ b/go/vt/vtctl/grpcvtctldserver/server_test.go
@@ -27,11 +27,13 @@ import (
 	"github.com/stretchr/testify/require"
 
 	"vitess.io/vitess/go/vt/logutil"
+	"vitess.io/vitess/go/vt/mysqlctl/backupstorage"
 	"vitess.io/vitess/go/vt/topo/memorytopo"
 	"vitess.io/vitess/go/vt/topo/topoproto"
 	"vitess.io/vitess/go/vt/vtctl/grpcvtctldserver/testutil"
 	"vitess.io/vitess/go/vt/vttablet/tmclient"
 
+	mysqlctlpb "vitess.io/vitess/go/vt/proto/mysqlctl"
 	querypb "vitess.io/vitess/go/vt/proto/query"
 	tabletmanagerdatapb "vitess.io/vitess/go/vt/proto/tabletmanagerdata"
 	topodatapb "vitess.io/vitess/go/vt/proto/topodata"
@@ -41,6 +43,7 @@ import (
 
 func init() {
 	*tmclient.TabletManagerProtocol = testutil.TabletManagerClientProtocol
+	*backupstorage.BackupStorageImplementation = testutil.BackupStorageImplementation
 }
 
 func TestFindAllShardsInKeyspace(t *testing.T) {
@@ -82,6 +85,58 @@ func TestFindAllShardsInKeyspace(t *testing.T) {
 	assert.Error(t, err)
 }
 
+func TestGetBackups(t *testing.T) {
+	ctx := context.Background()
+	ts := memorytopo.NewServer()
+	vtctld := NewVtctldServer(ts)
+
+	testutil.BackupStorage.Backups = map[string][]string{
+		"testkeyspace/-": {"backup1", "backup2"},
+	}
+
+	expected := &vtctldatapb.GetBackupsResponse{
+		Backups: []*mysqlctlpb.BackupInfo{
+			{
+				Directory: "testkeyspace/-",
+				Name:      "backup1",
+			},
+			{
+				Directory: "testkeyspace/-",
+				Name:      "backup2",
+			},
+		},
+	}
+
+	resp, err := vtctld.GetBackups(ctx, &vtctldatapb.GetBackupsRequest{
+		Keyspace: "testkeyspace",
+		Shard:    "-",
+	})
+	assert.NoError(t, err)
+	assert.Equal(t, expected, resp)
+
+	t.Run("no backupstorage", func(t *testing.T) {
+		*backupstorage.BackupStorageImplementation = "doesnotexist"
+		defer func() { *backupstorage.BackupStorageImplementation = testutil.BackupStorageImplementation }()
+
+		_, err := vtctld.GetBackups(ctx, &vtctldatapb.GetBackupsRequest{
+			Keyspace: "testkeyspace",
+			Shard:    "-",
+		})
+		assert.Error(t, err)
+	})
+
+	t.Run("listbackups error", func(t *testing.T) {
+		testutil.BackupStorage.ListBackupsError = assert.AnError
+		defer func() { testutil.BackupStorage.ListBackupsError = nil }()
+
+		_, err := vtctld.GetBackups(ctx, &vtctldatapb.GetBackupsRequest{
+			Keyspace: "testkeyspace",
+			Shard:    "-",
+		})
+		assert.Error(t, err)
+	})
+}
+
 func TestGetKeyspace(t *testing.T) {
 	ctx := context.Background()
 	ts := memorytopo.NewServer("cell1")
diff --git a/go/vt/vtctl/grpcvtctldserver/testutil/test_backupstorage.go b/go/vt/vtctl/grpcvtctldserver/testutil/test_backupstorage.go
new file mode 100644
index 00000000000..a871cbfdbf7
--- /dev/null
+++ b/go/vt/vtctl/grpcvtctldserver/testutil/test_backupstorage.go
@@ -0,0 +1,92 @@
+/*
+Copyright 2021 The Vitess Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+	http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package testutil
+
+import (
+	"context"
+	"sort"
+
+	"vitess.io/vitess/go/vt/mysqlctl/backupstorage"
+)
+
+type backupStorage struct {
+	backupstorage.BackupStorage
+
+	// Backups is a mapping of directory to list of backup names stored in that
+	// directory.
+	Backups map[string][]string
+	// ListBackupsError is returned from ListBackups when it is non-nil.
+	ListBackupsError error
+}
+
+// ListBackups is part of the backupstorage.BackupStorage interface.
+func (bs *backupStorage) ListBackups(ctx context.Context, dir string) ([]backupstorage.BackupHandle, error) {
+	if bs.ListBackupsError != nil {
+		return nil, bs.ListBackupsError
+	}
+
+	handles := []backupstorage.BackupHandle{}
+
+	for k, v := range bs.Backups {
+		if k == dir {
+			for _, name := range v {
+				handles = append(handles, &backupHandle{directory: k, name: name})
+			}
+		}
+	}
+
+	sort.Sort(handlesByName(handles))
+
+	return handles, nil
+}
+
+// Close is part of the backupstorage.BackupStorage interface.
+func (bs *backupStorage) Close() error { return nil }
+
+// backupHandle implements a subset of the backupstorage.backupHandle interface.
+type backupHandle struct {
+	backupstorage.BackupHandle
+
+	directory string
+	name      string
+}
+
+func (bh *backupHandle) Directory() string { return bh.directory }
+func (bh *backupHandle) Name() string      { return bh.name }
+
+// handlesByName implements the sort interface for backup handles by Name().
+type handlesByName []backupstorage.BackupHandle
+
+func (a handlesByName) Len() int           { return len(a) }
+func (a handlesByName) Swap(i, j int)      { a[i], a[j] = a[j], a[i] }
+func (a handlesByName) Less(i, j int) bool { return a[i].Name() < a[j].Name() }
+
+// BackupStorageImplementation is the name this package registers its test
+// backupstorage.BackupStorage implementation as. Users should set
+// *backupstorage.BackupStorageImplementation to this value before use.
+const BackupStorageImplementation = "grpcvtctldserver.testutil"
+
+// BackupStorage is the singleton test backupstorage.BackupStorage intastnce. It
+// is public and singleton to allow tests to both mutate and assert against its
+// state.
+var BackupStorage = &backupStorage{
+	Backups: map[string][]string{},
+}
+
+func init() {
+	backupstorage.BackupStorageMap[BackupStorageImplementation] = BackupStorage
+}

From 3c1a07570d9965daad333f2ef315056f405c4e76 Mon Sep 17 00:00:00 2001
From: Andrew Mason <amason@slack-corp.com>
Date: Fri, 22 Jan 2021 21:39:09 -0500
Subject: [PATCH 4/5] Stop exporting the fake tmclient type

The reason this should not be exported is that we want to enforce a
singleton usage for these testutil implementations, and the best way to
ensure that is to make it impossible for users to create a new instance
by hiding the type away.

Signed-off-by: Andrew Mason <amason@slack-corp.com>
---
 go/vt/vtctl/grpcvtctldserver/testutil/test_tmclient.go | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/go/vt/vtctl/grpcvtctldserver/testutil/test_tmclient.go b/go/vt/vtctl/grpcvtctldserver/testutil/test_tmclient.go
index facaaf4f5bc..938e71e9595 100644
--- a/go/vt/vtctl/grpcvtctldserver/testutil/test_tmclient.go
+++ b/go/vt/vtctl/grpcvtctldserver/testutil/test_tmclient.go
@@ -27,15 +27,15 @@ import (
 	topodatapb "vitess.io/vitess/go/vt/proto/topodata"
 )
 
-// TestTabletManagerClient implements the tmclient.TabletManagerClient for
+// tabletManagerClient implements the tmclient.TabletManagerClient for
 // testing. It allows users to mock various tmclient methods.
-type TestTabletManagerClient struct {
+type tabletManagerClient struct {
 	tmclient.TabletManagerClient
 	Schemas map[string]*tabletmanagerdatapb.SchemaDefinition
 }
 
 // GetSchema is part of the tmclient.TabletManagerClient interface.
-func (c *TestTabletManagerClient) GetSchema(ctx context.Context, tablet *topodatapb.Tablet, tablets []string, excludeTables []string, includeViews bool) (*tabletmanagerdatapb.SchemaDefinition, error) {
+func (c *tabletManagerClient) GetSchema(ctx context.Context, tablet *topodatapb.Tablet, tablets []string, excludeTables []string, includeViews bool) (*tabletmanagerdatapb.SchemaDefinition, error) {
 	key := topoproto.TabletAliasString(tablet.Alias)
 
 	schema, ok := c.Schemas[key]
@@ -53,7 +53,7 @@ const TabletManagerClientProtocol = "grpcvtctldserver.testutil"
 
 // TabletManagerClient is the singleton test client instance. It is public and
 // singleton to allow tests to mutate and verify its state.
-var TabletManagerClient = &TestTabletManagerClient{
+var TabletManagerClient = &tabletManagerClient{
 	Schemas: map[string]*tabletmanagerdatapb.SchemaDefinition{},
 }
 

From 9abe8e148c83735191e117eeea67239778f7f203 Mon Sep 17 00:00:00 2001
From: Andrew Mason <amason@slack-corp.com>
Date: Fri, 22 Jan 2021 21:45:23 -0500
Subject: [PATCH 5/5] Implement GetBackups CLI

Signed-off-by: Andrew Mason <amason@slack-corp.com>
---
 .../vtctldclient/internal/command/backups.go  | 59 +++++++++++++++++++
 1 file changed, 59 insertions(+)
 create mode 100644 go/cmd/vtctldclient/internal/command/backups.go

diff --git a/go/cmd/vtctldclient/internal/command/backups.go b/go/cmd/vtctldclient/internal/command/backups.go
new file mode 100644
index 00000000000..3b1fea947d2
--- /dev/null
+++ b/go/cmd/vtctldclient/internal/command/backups.go
@@ -0,0 +1,59 @@
+/*
+Copyright 2021 The Vitess Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+	http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package command
+
+import (
+	"fmt"
+	"strings"
+
+	"github.com/spf13/cobra"
+
+	vtctldatapb "vitess.io/vitess/go/vt/proto/vtctldata"
+)
+
+// GetBackups makes a GetBackups gRPC call to a vtctld.
+var GetBackups = &cobra.Command{
+	Use:  "GetBackups keyspace shard",
+	Args: cobra.ExactArgs(2),
+	RunE: commandGetBackups,
+}
+
+func commandGetBackups(cmd *cobra.Command, args []string) error {
+	keyspace := cmd.Flags().Arg(0)
+	shard := cmd.Flags().Arg(1)
+
+	resp, err := client.GetBackups(commandCtx, &vtctldatapb.GetBackupsRequest{
+		Keyspace: keyspace,
+		Shard:    shard,
+	})
+	if err != nil {
+		return err
+	}
+
+	names := make([]string, len(resp.Backups))
+	for i, b := range resp.Backups {
+		names[i] = b.Name
+	}
+
+	fmt.Printf("%s\n", strings.Join(names, "\n"))
+
+	return nil
+}
+
+func init() {
+	Root.AddCommand(GetBackups)
+}