[Bug] Plugins are always used to archive WAL files if they have the capability

Open

#797 opened on Mar 6, 2026 1 comment 1 reaction 0 assignees View on GitHub

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Assessment

Difficulty: 2/5
Estimated time: 1-3 hours
Newbie friendliness: 48/100

Issue type: Bug
Clarity: Clearly specified
Activity status: Stale
Tech stack: go, postgresql
Domain: backend, databases

Research direction

Start in pkg/management/postgres/archiver/archiver.go, especially archiveWALViaPlugins and the handling of isWALArchiver. Reproduce the YAML case with isWALArchiver: false and verify that WAL is not archived through that plugin; done means the explicit setting is respected while capable plugins can still archive when enabled.

Written by the indexing model from the issue text.

Description

bug

isWALArchiver is ignored and plugins are always used to archive WAL files if they have the capability to do it.

Given the following plugins stanza:

  plugins:
    - name: barman-cloud.cloudnative-pg.io
      enabled: true
      isWALArchiver: false
      parameters:
        serverName: cnpg-default
        barmanObjectName: cnpg-default-barman

You would expect WAL not to be archived using this plugin. However, there is no filtering in the archiveWALViaPlugins. It always archives with plugins that support WAL archiving.

The only cases where it won't archive WAL are:

if you specify a plugin as the WAL archiver and it doesn't have that capability.
you don't specify any plugins

Dominant language: Go
Stars: 192
Forks: 75
Avg merge: 1d 7h
Merged PRs (30d): 17

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