renovate/lib/modules/manager/flux

This manager parses Flux YAML manifests and:

1. Extracts helm dependencies from HelmRelease resources
2. Extracts github-releases dependencies from system manifests (flux-system/gotk-components.yaml files) and regenerates them when new versions of Flux are available

The flux manager will only extract helm dependencies for HelmRelease resources linked to HelmRepository sources. HelmRelease resources linked to other kinds of sources like GitRepository or Bucket will be ignored.

For the flux manager to properly link HelmRelease and HelmRepository resources, both of the following conditions must be met:

1. The HelmRelease resource must either have its metadata.namespace property set or its spec.chart.spec.sourceRef.namespace property set
2. The referenced HelmRepository resource must have its metadata.namespace property set

Namespaces will not be inferred from the context (e.g. from the parent Kustomization).

Updating system manifests requires that either:

1. The flux tool is pre-installed, or
2. You run a Docker image based on containerbase/buildpack, such as the official Renovate images, and have binarySource=install configured

By default, the flux manager will only match flux-system/gotk-components.yaml (i.e. system manifest) files. This is because there is no commonly accepted file/directory naming convention for Flux manifests and we don't want to check every single *.yaml file in repositories just in case some of them have Flux definitions.

If most .yaml files in your repository are Flux manifests, then you could add this to your config:

{
  "flux": {
    "fileMatch": ["\\.yaml$"]
  }
}

If instead you have all your Flux manifests inside a flux/ directory, you would add this:

{
  "flux": {
    "fileMatch": ["flux/.+\\.yaml$"]
  }
}

If you need to change the versioning format, read the versioning documentation to learn more.