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spanner_list_backup_operations.go
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/
spanner_list_backup_operations.go
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// Copyright 2020 Google LLC
//
// 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
//
// https://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 spanner
// [START spanner_list_backup_operations]
import (
"context"
"fmt"
"io"
"regexp"
database "cloud.google.com/go/spanner/admin/database/apiv1"
adminpb "cloud.google.com/go/spanner/admin/database/apiv1/databasepb"
"github.com/golang/protobuf/ptypes"
"google.golang.org/api/iterator"
)
// listBackupOperations lists the backup operations that are pending or have completed/failed/cancelled within the last 7 days.
func listBackupOperations(w io.Writer, db string, backupId string) error {
// db := "projects/my-project/instances/my-instance/databases/my-database"
// backupID := "my-backup"
ctx := context.Background()
adminClient, err := database.NewDatabaseAdminClient(ctx)
if err != nil {
return err
}
defer adminClient.Close()
matches := regexp.MustCompile("^(.*)/databases/(.*)$").FindStringSubmatch(db)
if matches == nil || len(matches) != 3 {
return fmt.Errorf("Invalid database id %s", db)
}
instanceName := matches[1]
// List the CreateBackup operations.
filter := fmt.Sprintf("(metadata.@type:type.googleapis.com/google.spanner.admin.database.v1.CreateBackupMetadata) AND (metadata.database:%s)", db)
iter := adminClient.ListBackupOperations(ctx, &adminpb.ListBackupOperationsRequest{
Parent: instanceName,
Filter: filter,
})
for {
resp, err := iter.Next()
if err == iterator.Done {
break
}
if err != nil {
return err
}
metadata := &adminpb.CreateBackupMetadata{}
if err := ptypes.UnmarshalAny(resp.Metadata, metadata); err != nil {
return err
}
fmt.Fprintf(w, "Backup %s on database %s is %d%% complete.\n",
metadata.Name,
metadata.Database,
metadata.Progress.ProgressPercent,
)
}
// List the CopyBackup operations.
filter = fmt.Sprintf("(metadata.@type:type.googleapis.com/google.spanner.admin.database.v1.CopyBackupMetadata) AND (metadata.source_backup:%s)", backupId)
iter = adminClient.ListBackupOperations(ctx, &adminpb.ListBackupOperationsRequest{
Parent: instanceName,
Filter: filter,
})
for {
resp, err := iter.Next()
if err == iterator.Done {
break
}
if err != nil {
return err
}
metadata := &adminpb.CopyBackupMetadata{}
if err := ptypes.UnmarshalAny(resp.Metadata, metadata); err != nil {
return err
}
fmt.Fprintf(w, "Backup %s copied from %s is %d%% complete.\n",
metadata.Name,
metadata.SourceBackup,
metadata.Progress.ProgressPercent,
)
}
return nil
}
// [END spanner_list_backup_operations]