[vtctld] Migrate ListBackups as GetBackups in new vtctld server

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)
+}

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(),
+	}
+}

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