elemental-lifecycle-manager

Release API

The Release resource is the single point of entry for environment upgrades. It defines the desired state of an environment and provides upgrade-specific configuration. Elemental Lifecycle Manager (LCM) reconciles the cluster to match the state described by this resource.

Constraints

When defining a Release resource, LCM enforces the following constraints:

Only one Release resource can exist on a cluster.
Updates of an existing Release resource are only allowed when no upgrade is currently in progress.
Downgrades of an existing Release resource spec.version field are not allowed.

Spec

# Release resource example
apiVersion: lifecycle.suse.com/v1alpha1
kind: Release
metadata:
  name: release-example
spec:
  version: "1.0.0"
  registry: "registry.example.org/project/release-manifest"
  disableDrain: true

Field	Description	Required
`spec.version`	Target version of the release. Use semantic versioning, when possible.	`true`
`spec.registry`	OCI registry from which LCM will fetch the release metadata. Metadata must be defined in the form of a release manifest.	`true`
`spec.disableDrain`	Disables node drains during upgrade phases. Defaults to `false`.	`false`

Status

Field	Description
`status.version`	The last release version to which the environment state was successfully upgraded.
`spec.conditions`	Information about the state of the currently running upgrade process.
`spec.disableDrain`	The latest resource generation observed by the controller. Meant for internal use only.

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