Barman Cloud Plugin

The Barman Cloud Plugin for CloudNativePG enables online continuous physical backups of PostgreSQL clusters to object storage using the barman-cloud suite from the Barman project.

important

If you plan to migrate your existing CloudNativePG cluster to the new plugin-based approach using the Barman Cloud Plugin, see "Migrating from Built-in CloudNativePG Backup" for detailed instructions.

Requirements

To use the Barman Cloud Plugin, you need:

• CloudNativePG version 1.26
• cert-manager to enable TLS communication between the plugin and the operator

Key Features

This plugin provides the following capabilities:

• Physical online backup of the data directory
• Physical restore of the data directory
• Write-Ahead Log (WAL) archiving
• WAL restore
• Full cluster recovery
• Point-in-Time Recovery (PITR)
• Seamless integration with replica clusters for bootstrap and WAL restore from archive

important

The Barman Cloud Plugin is designed to replace the in-tree object storage support previously provided via the .spec.backup.barmanObjectStore section in the Cluster resource. Backups created using the in-tree approach are fully supported and compatible with this plugin.

Supported Object Storage Providers

The plugin works with all storage backends supported by barman-cloud, including:

• Amazon S3
• Google Cloud Storage
• Microsoft Azure Blob Storage

In addition, the following S3-compatible and simulator solutions have been tested and verified:

• MinIO – An S3-compatible storage solution
• Azurite – A simulator for Azure Blob Storage
• fake-gcs-server – A simulator for Google Cloud Storage

tip

For more details, refer to Object Store Providers.