Configuring the automatic image cleanup of the container storage disk

This is a cache of https://docs.openshift.com/container-platform/4.17/edge_computing/image_based_upgrade/preparing_for_image_based_upgrade/cnf-image-based-upgrade-auto-image-cleanup.html. It is a snapshot of the page at 2024-11-22T07:45:07.882+0000.

Configuring the automatic image cleanup of the container storage disk - Image-based <strong>upgrade</strong> for single-node OpenShift clusters | Edge computing | OpenShift Container Platform 4.17

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API reference
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- Authorization APIs
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  - LocalSubjectAccessReview [authorization.openshift.io/v1]
  - ResourceAccessReview [authorization.openshift.io/v1]
  - SelfSubjectRulesReview [authorization.openshift.io/v1]
  - SubjectAccessReview [authorization.openshift.io/v1]
  - SubjectRulesReview [authorization.openshift.io/v1]
  - SelfSubjectReview [authentication.k8s.io/v1]
  - TokenRequest [authentication.k8s.io/v1]
  - TokenReview [authentication.k8s.io/v1]
  - LocalSubjectAccessReview [authorization.k8s.io/v1]
  - SelfSubjectAccessReview [authorization.k8s.io/v1]
  - SelfSubjectRulesReview [authorization.k8s.io/v1]
  - SubjectAccessReview [authorization.k8s.io/v1]
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  - Scale [autoscaling/v1]
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  - ClusterVersion [config.openshift.io/v1]
  - Console [config.openshift.io/v1]
  - DNS [config.openshift.io/v1]
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  - Image [config.openshift.io/v1]
  - ImageDigestMirrorSet [config.openshift.io/v1]
  - ImageContentPolicy [config.openshift.io/v1]
  - ImageTagMirrorSet [config.openshift.io/v1]
  - Infrastructure [config.openshift.io/v1]
  - Ingress [config.openshift.io/v1]
  - Network [config.openshift.io/v1]
  - Node [config.openshift.io/v1]
  - OAuth [config.openshift.io/v1]
  - OperatorHub [config.openshift.io/v1]
  - Project [config.openshift.io/v1]
  - ProjectHelmChartRepository [helm.openshift.io/v1beta1]
  - Proxy [config.openshift.io/v1]
  - Scheduler [config.openshift.io/v1]
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  - ConsolePlugin [console.openshift.io/v1]
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  - ConsoleSample [console.openshift.io/v1]
  - ConsoleYAMLSample [console.openshift.io/v1]
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  - APIService [apiregistration.k8s.io/v1]
  - CustomResourceDefinition [apiextensions.k8s.io/v1]
  - MutatingWebhookConfiguration [admissionregistration.k8s.io/v1]
  - ValidatingAdmissionPolicy [admissionregistration.k8s.io/v1]
  - ValidatingAdmissionPolicyBinding [admissionregistration.k8s.io/v1]
  - ValidatingWebhookConfiguration [admissionregistration.k8s.io/v1]
- Image APIs
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  - Image [image.openshift.io/v1]
  - ImageSignature [image.openshift.io/v1]
  - ImageStreamImage [image.openshift.io/v1]
  - ImageStreamImport [image.openshift.io/v1]
  - ImageStreamLayers [image.openshift.io/v1]
  - ImageStreamMapping [image.openshift.io/v1]
  - ImageStream [image.openshift.io/v1]
  - ImageStreamTag [image.openshift.io/v1]
  - ImageTag [image.openshift.io/v1]
  - SecretList [image.openshift.io/v1]
- Machine APIs
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  - ContainerRuntimeConfig [machineconfiguration.openshift.io/v1]
  - ControllerConfig [machineconfiguration.openshift.io/v1]
  - ControlPlaneMachineSet [machine.openshift.io/v1]
  - KubeletConfig [machineconfiguration.openshift.io/v1]
  - MachineConfig [machineconfiguration.openshift.io/v1]
  - MachineConfigPool [machineconfiguration.openshift.io/v1]
  - MachineHealthCheck [machine.openshift.io/v1beta1]
  - Machine [machine.openshift.io/v1beta1]
  - MachineSet [machine.openshift.io/v1beta1]
- Metadata APIs
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  - APIRequestCount [apiserver.openshift.io/v1]
  - Binding [undefined/v1]
  - ComponentStatus [undefined/v1]
  - ConfigMap [undefined/v1]
  - ControllerRevision [apps/v1]
  - Event [events.k8s.io/v1]
  - Event [undefined/v1]
  - Lease [coordination.k8s.io/v1]
  - Namespace [undefined/v1]
- Monitoring APIs
  - About Monitoring APIs
  - Alertmanager [monitoring.coreos.com/v1]
  - AlertmanagerConfig [monitoring.coreos.com/v1beta1]
  - AlertRelabelConfig [monitoring.openshift.io/v1]
  - AlertingRule [monitoring.openshift.io/v1]
  - PodMonitor [monitoring.coreos.com/v1]
  - Probe [monitoring.coreos.com/v1]
  - Prometheus [monitoring.coreos.com/v1]
  - PrometheusRule [monitoring.coreos.com/v1]
  - ServiceMonitor [monitoring.coreos.com/v1]
  - ThanosRuler [monitoring.coreos.com/v1]
  - NodeMetrics [metrics.k8s.io/v1beta1]
  - PodMetrics [metrics.k8s.io/v1beta1]
- Network APIs
  - About Network APIs
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  - BaselineAdminNetworkPolicy [policy.networking.k8s.io/v1alpha1]
  - CloudPrivateIPConfig [cloud.network.openshift.io/v1]
  - EgressFirewall [k8s.ovn.org/v1]
  - EgressIP [k8s.ovn.org/v1]
  - EgressQoS [k8s.ovn.org/v1]
  - EgressService [k8s.ovn.org/v1]
  - Endpoints [undefined/v1]
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  - EgressRouter [network.operator.openshift.io/v1]
  - Ingress [networking.k8s.io/v1]
  - IngressClass [networking.k8s.io/v1]
  - IPPool [whereabouts.cni.cncf.io/v1alpha1]
  - MultiNetworkPolicy [k8s.cni.cncf.io/v1beta1]
  - NetworkAttachmentDefinition [k8s.cni.cncf.io/v1]
  - NetworkPolicy [networking.k8s.io/v1]
  - OverlappingRangeIPReservation [whereabouts.cni.cncf.io/v1alpha1]
  - PodNetworkConnectivityCheck [controlplane.operator.openshift.io/v1alpha1]
  - Route [route.openshift.io/v1]
  - Service [undefined/v1]
- Node APIs
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  - Node [undefined/v1]
  - PerformanceProfile [performance.openshift.io/v2]
  - Profile [tuned.openshift.io/v1]
  - RuntimeClass [node.k8s.io/v1]
  - Tuned [tuned.openshift.io/v1]
- OAuth APIs
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  - OAuthAccessToken [oauth.openshift.io/v1]
  - OAuthAuthorizeToken [oauth.openshift.io/v1]
  - OAuthClientAuthorization [oauth.openshift.io/v1]
  - OAuthClient [oauth.openshift.io/v1]
  - UserOAuthAccessToken [oauth.openshift.io/v1]
- Operator APIs
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  - ClusterCSIDriver [operator.openshift.io/v1]
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  - Config [operator.openshift.io/v1]
  - Config [imageregistry.operator.openshift.io/v1]
  - Config [samples.operator.openshift.io/v1]
  - CSISnapshotController [operator.openshift.io/v1]
  - DNS [operator.openshift.io/v1]
  - DNSRecord [ingress.operator.openshift.io/v1]
  - Etcd [operator.openshift.io/v1]
  - ImageContentSourcePolicy [operator.openshift.io/v1alpha1]
  - ImagePruner [imageregistry.operator.openshift.io/v1]
  - IngressController [operator.openshift.io/v1]
  - InsightsOperator [operator.openshift.io/v1]
  - KubeAPIServer [operator.openshift.io/v1]
  - KubeControllerManager [operator.openshift.io/v1]
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  - KubeStorageVersionMigrator [operator.openshift.io/v1]
  - MachineConfiguration [operator.openshift.io/v1]
  - Network [operator.openshift.io/v1]
  - OpenShiftAPIServer [operator.openshift.io/v1]
  - OpenShiftControllerManager [operator.openshift.io/v1]
  - OperatorPKI [network.operator.openshift.io/v1]
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  - Storage [operator.openshift.io/v1]
- OperatorHub APIs
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  - CatalogSource [operators.coreos.com/v1alpha1]
  - ClusterServiceVersion [operators.coreos.com/v1alpha1]
  - InstallPlan [operators.coreos.com/v1alpha1]
  - OLMConfig [operators.coreos.com/v1]
  - Operator [operators.coreos.com/v1]
  - OperatorCondition [operators.coreos.com/v2]
  - OperatorGroup [operators.coreos.com/v1]
  - PackageManifest [packages.operators.coreos.com/v1]
  - Subscription [operators.coreos.com/v1alpha1]
- Policy APIs
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- Provisioning APIs
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  - DataImage [metal3.io/v1alpha1]
  - FirmwareSchema [metal3.io/v1alpha1]
  - HardwareData [metal3.io/v1alpha1]
  - HostFirmwareComponents [metal3.io/v1alpha1]
  - HostFirmwareSettings [metal3.io/v1alpha1]
  - Metal3Remediation [infrastructure.cluster.x-k8s.io/v1beta1]
  - Metal3RemediationTemplate [infrastructure.cluster.x-k8s.io/v1beta1]
  - PreprovisioningImage [metal3.io/v1alpha1]
  - Provisioning [metal3.io/v1alpha1]
- RBAC APIs
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  - ClusterRoleBinding [rbac.authorization.k8s.io/v1]
  - ClusterRole [rbac.authorization.k8s.io/v1]
  - RoleBinding [rbac.authorization.k8s.io/v1]
  - Role [rbac.authorization.k8s.io/v1]
- Role APIs
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  - ClusterRoleBinding [authorization.openshift.io/v1]
  - ClusterRole [authorization.openshift.io/v1]
  - RoleBindingRestriction [authorization.openshift.io/v1]
  - RoleBinding [authorization.openshift.io/v1]
  - Role [authorization.openshift.io/v1]
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  - FlowSchema [flowcontrol.apiserver.k8s.io/v1]
  - LimitRange [undefined/v1]
  - PriorityClass [scheduling.k8s.io/v1]
  - PriorityLevelConfiguration [flowcontrol.apiserver.k8s.io/v1]
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  - RangeAllocation [security.openshift.io/v1]
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  - PersistentVolume [undefined/v1]
  - PersistentVolumeClaim [undefined/v1]
  - StorageClass [storage.k8s.io/v1]
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Configuring the automatic image cleanup of the container storage disk
Disable the automatic image cleanup of the container storage disk

Configure when the Lifecycle Agent cleans up unpinned images in the Prep stage by setting a minimum threshold for available storage space through annotations. The default container storage disk usage threshold is 50%.

The Lifecycle Agent does not delete images that are pinned in CRI-O or are currently used. The Operator selects the images for deletion by starting with dangling images and then sorting the images from oldest to newest that is determined by the image Created timestamp.

Configure the minimum threshold for available storage space through annotations.

Prerequisites

You have created an ImageBasedupgrade CR.

Procedure

Increase the threshold to 65% by running the following command:

$ oc -n openshift-lifecycle-agent annotate ibu upgrade image-cleanup.lca.openshift.io/disk-usage-threshold-percent='65'

(Optional) Remove the threshold override by running the following command:

$ oc -n  openshift-lifecycle-agent annotate ibu upgrade image-cleanup.lca.openshift.io/disk-usage-threshold-percent-

Disable the automatic image cleanup of the container storage disk

Disable the automatic image cleanup threshold.

Procedure

Disable the automatic image cleanup by running the following command:

$ oc -n openshift-lifecycle-agent annotate ibu upgrade image-cleanup.lca.openshift.io/on-prep='Disabled'

(Optional) Enable automatic image cleanup again by running the following command:

$ oc -n  openshift-lifecycle-agent annotate ibu upgrade image-cleanup.lca.openshift.io/on-prep-