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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. :::