Aggregated <strong>api</strong> client certificates - Certificate types and descriptions | Security and compliance

This is a cache of https://docs.okd.io/4.16/security/certificate_types_descriptions/aggregated-api-client-certificates.html. It is a snapshot of the page at 2025-06-08T00:14:39.592+0000.

Aggregated <strong>api</strong> client certificates - Certificate types and descriptions | Security and compliance | OKD 4.16

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Security and compliance
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Networking
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- Using PTP hardware
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  - PTP events REST api v2 reference
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  - PTP events REST api v1 reference
- CIDR range definitions
- Multiple networks
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  - Configuring an additional network
  - About virtual routing and forwarding
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  - Configuring an SR-IOV network device
  - Configuring an SR-IOV Ethernet network attachment
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  - Configuring QinQ support for SR-IOV networks
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  - Switching Bluefield-2 from NIC to DPU mode
- OVN-Kubernetes network plugin
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  - Migrating from the OpenShift SDN network plugin
  - Rolling back to the OpenShift SDN network plugin
  - Converting to IPv4/IPv6 dual stack networking
  - Configuring internal subnets
  - Configuring gateway mode
  - Configure an external gateway on the default network
  - Configuring an egress IP address
  - Assigning an egress IP address
  - Configuring an egress service
  - Considerations for the use of an egress router pod
  - Deploying an egress router pod in redirect mode
  - Enabling multicast for a project
  - Disabling multicast for a project
  - Tracking network flows
  - Configuring hybrid networking
- OpenShift SDN network plugin
  - About the OpenShift SDN network plugin
  - Configuring egress IPs for a project
  - Configuring an egress firewall for a project
  - Viewing an egress firewall for a project
  - Editing an egress firewall for a project
  - Removing an egress firewall from a project
  - Considerations for the use of an egress router pod
  - Deploying an egress router pod in redirect mode
  - Deploying an egress router pod in HTTP proxy mode
  - Deploying an egress router pod in DNS proxy mode
  - Configuring an egress router pod destination list from a config map
  - Enabling multicast for a project
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  - Configuring multitenant isolation
  - Configuring kube-proxy
- Configuring Routes
  - Route configuration
  - Secured routes
- Configuring ingress cluster traffic
  - Overview
  - Configuring ExternalIPs for services
  - Configuring ingress cluster traffic using an Ingress Controller
  - Configuring the Ingress Controller endpoint publishing strategy
  - Configuring ingress cluster traffic using a load balancer
  - Configuring ingress cluster traffic on AWS
  - Configuring ingress cluster traffic using a service external IP
  - Configuring ingress cluster traffic using a NodePort
  - Configuring ingress cluster traffic using load balancer allowed source ranges
  - Patching existing ingress objects
- Kubernetes NMState
  - Observing and updating node network state and configuration
  - Troubleshooting node network configuration
- Configuring the cluster-wide proxy
- Configuring a custom PKI
- Load balancing on OpenStack
- Load balancing with MetalLB
  - Configuring MetalLB address pools
  - Advertising the IP address pools
  - Configuring MetalLB BGP peers
  - Advertising an IP address pool using the community alias
  - Configuring MetalLB BFD profiles
  - Configuring services to use MetalLB
  - Managing symmetric routing with MetalLB
  - Configuring the integration of MetalLB and FRR-K8s
  - MetalLB logging, troubleshooting, and support
- Associating secondary interfaces metrics to network attachments
Storage
- Storage overview
- Understanding ephemeral storage
- Understanding persistent storage
- Configuring persistent storage
- Using Container Storage Interface (CSI)
- Generic ephemeral volumes
- Expanding persistent volumes
- Dynamic provisioning
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Registry
- Registry overview
- Image Registry Operator in OKD
- Setting up and configuring the registry
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Operators
- Operators overview
- Understanding Operators
- User tasks
  - Creating applications from installed Operators
  - Installing Operators in your namespace
- Administrator tasks
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- Cluster Operators reference
- OLM 1.0 (Technology Preview)
CI/CD
- CI/CD overview
  - About CI/CD
- Builds using BuildConfig
Images
- Overview of images
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- Using the Cluster Samples Operator with an alternate registry
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Building applications
- Building applications overview
- Projects
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- Exporting applications
- Working with Helm charts
- Deployments
- Quotas
  - Resource quotas per project
  - Resource quotas across multiple projects
- Using config maps with applications
- Monitoring project and application metrics using the Developer perspective
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- Pruning objects to reclaim resources
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- Using the Red Hat Marketplace
Machine configuration
- Machine configuration overview
- Using machine config objects to configure nodes
- Using node disruption policies to minimize disruption from machine config changes
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- Updated boot images
- Managing unused rendered machine configs
- Fedora CoreOS image layering
- Machine Config Daemon metrics
Machine management
- Overview of machine management
- Managing compute machines with the Machine api
- Manually scaling a compute machine set
- Modifying a compute machine set
- Machine phases and lifecycle
- Deleting a machine
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Hosted control planes
- Hosted control planes overview
- Getting started with hosted control planes
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Nodes
- Overview of nodes
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- Controlling pod placement onto nodes (scheduling)
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  - Running background tasks on nodes automatically with daemonsets
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Windows Container Support for OpenShift
- Red Hat OpenShift support for Windows Containers overview
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Observability
- Observability overview
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- Monitoring
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Scalability and performance
- Scalability and performance overview
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  - Recommended etcd practices
- Reference design specifications
  - Telco reference design specifications
  - Telco RAN DU reference design specification
  - Telco core reference design specification
- Planning your environment according to object maximums
- Compute Resource Quotas
- Using the Node Tuning Operator
- Using CPU Manager and Topology Manager
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- Managing bare metal hosts
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- Understanding low latency
- Tuning nodes for low latency with the performance profile
- Provisioning real-time and low latency workloads
- Debugging low latency tuning
- Performing latency tests for platform verification
- Improving cluster stability in high latency environments using worker latency profiles
- Workload partitioning
- Using the Node Observability Operator
Edge computing
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- Updating GitOps ZTP
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- Manually installing a single-node OpenShift cluster with GitOps ZTP
- Recommended single-node OpenShift cluster configuration for vDU application workloads
- Validating cluster tuning for vDU application workloads
- Advanced managed cluster configuration with SiteConfig resources
- Managing cluster polices with PolicyGenerator resources
- Managing cluster polices with PolicyGenTemplate resources
- Using hub templates in PolicyGenerator or PolicyGenTemplate CRs
- Updating managed clusters with the Topology Aware Lifecycle Manager
- Expanding single-node OpenShift clusters with GitOps ZTP
- Pre-caching images for single-node OpenShift deployments
- Image-based upgrade for single-node OpenShift clusters
- Day 2 operations for telco core CNF clusters
Specialized hardware and driver enablement
- About specialized hardware and driver enablement
- Driver Toolkit
- Node Feature Discovery Operator
- Kernel Module Management Operator
Hardware accelerators
- About hardware accelerators
- NVIDIA GPU architecture
- AMD GPU Operator
Backup and restore
- Overview of backup and restore operations
- Shutting down a cluster gracefully
- Restarting a cluster gracefully
- OADP Application backup and restore
- Control plane backup and restore
Migrating from version 3 to 4
- Migrating from version 3 to 4 overview
- About migrating from OKD 3 to 4
- Differences between OKD 3 and 4
- Network considerations
- About MTC
- Installing MTC
- Installing MTC in a restricted network environment
- Upgrading MTC
- Premigration checklists
- Migrating your applications
- Advanced migration options
- Troubleshooting
Migration Toolkit for Containers
- About MTC
- MTC release notes
- Installing MTC
- Installing MTC in a restricted network environment
- Upgrading MTC
- Premigration checklists
- Network considerations
- Direct Migration Requirements
- Migrating your applications
- Advanced migration options
- Migrating virtual machine storage
- Troubleshooting
api reference
- api overview
  - Understanding api tiers
  - api compatibility guidelines
  - Editing kubelet log level verbosity and gathering logs
  - api list
- Common object reference
  - Index
- Authorization apis
  - About Authorization apis
  - LocalResourceAccessReview [authorization.openshift.io/v1]
  - 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]
- Autoscale apis
  - About Autoscale apis
  - ClusterAutoscaler [autoscaling.openshift.io/v1]
  - MachineAutoscaler [autoscaling.openshift.io/v1beta1]
  - HorizontalPodAutoscaler [autoscaling/v2]
  - Scale [autoscaling/v1]
- Config apis
  - About Config apis
  - apiServer [config.openshift.io/v1]
  - Authentication [config.openshift.io/v1]
  - Build [config.openshift.io/v1]
  - ClusterOperator [config.openshift.io/v1]
  - ClusterVersion [config.openshift.io/v1]
  - Console [config.openshift.io/v1]
  - DNS [config.openshift.io/v1]
  - FeatureGate [config.openshift.io/v1]
  - HelmChartRepository [helm.openshift.io/v1beta1]
  - 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]
- Console apis
  - About Console apis
  - ConsoleCLIDownload [console.openshift.io/v1]
  - ConsoleExternalLogLink [console.openshift.io/v1]
  - ConsoleLink [console.openshift.io/v1]
  - ConsoleNotification [console.openshift.io/v1]
  - ConsolePlugin [console.openshift.io/v1]
  - ConsoleQuickStart [console.openshift.io/v1]
  - ConsoleSample [console.openshift.io/v1]
  - ConsoleYAMLSample [console.openshift.io/v1]
- Extension apis
  - About Extension apis
  - apiService [apiregistration.k8s.io/v1]
  - CustomResourceDefinition [apiextensions.k8s.io/v1]
  - MutatingWebhookConfiguration [admissionregistration.k8s.io/v1]
  - ValidatingWebhookConfiguration [admissionregistration.k8s.io/v1]
- Image apis
  - About Image apis
  - 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
  - About Machine apis
  - 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
  - About Metadata apis
  - 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]
- Network apis
  - About Network apis
  - AdminNetworkPolicy [policy.networking.k8s.io/v1alpha1]
  - AdminPolicyBasedExternalRoute [k8s.ovn.org/v1]
  - 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]
  - EndpointSlice [discovery.k8s.io/v1]
  - EgressRouter [network.operator.openshift.io/v1]
  - Ingress [networking.k8s.io/v1]
  - IngressClass [networking.k8s.io/v1]
  - IPAddress [ipam.cluster.x-k8s.io/v1beta1]
  - IPAddressClaim [ipam.cluster.x-k8s.io/v1beta1]
  - IPPool [whereabouts.cni.cncf.io/v1alpha1]
  - 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
  - About Node apis
  - 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
  - About OAuth apis
  - 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
  - About Operator apis
  - Authentication [operator.openshift.io/v1]
  - CloudCredential [operator.openshift.io/v1]
  - ClusterCSIDriver [operator.openshift.io/v1]
  - Console [operator.openshift.io/v1]
  - 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]
  - KubeScheduler [operator.openshift.io/v1]
  - 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]
  - ServiceCA [operator.openshift.io/v1]
  - Storage [operator.openshift.io/v1]
- OperatorHub apis
  - About OperatorHub apis
  - 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
  - About Policy apis
  - Eviction [policy/v1]
  - PodDisruptionBudget [policy/v1]
- Project apis
  - About Project apis
  - Project [project.openshift.io/v1]
  - ProjectRequest [project.openshift.io/v1]
- Provisioning apis
  - About Provisioning apis
  - BMCEventSubscription [metal3.io/v1alpha1]
  - BareMetalHost [metal3.io/v1alpha1]
  - 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
  - About RBAC apis
  - 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
  - About Role apis
  - 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]
- Schedule and quota apis
  - About Schedule and quota apis
  - AppliedClusterResourceQuota [quota.openshift.io/v1]
  - ClusterResourceQuota [quota.openshift.io/v1]
  - FlowSchema [flowcontrol.apiserver.k8s.io/v1]
  - LimitRange [undefined/v1]
  - PriorityClass [scheduling.k8s.io/v1]
  - PriorityLevelConfiguration [flowcontrol.apiserver.k8s.io/v1]
  - ResourceQuota [undefined/v1]
- Security apis
  - About Security apis
  - CertificateSigningRequest [certificates.k8s.io/v1]
  - CredentialsRequest [cloudcredential.openshift.io/v1]
  - PodSecurityPolicyReview [security.openshift.io/v1]
  - PodSecurityPolicySelfSubjectReview [security.openshift.io/v1]
  - PodSecurityPolicySubjectReview [security.openshift.io/v1]
  - RangeAllocation [security.openshift.io/v1]
  - Secret [undefined/v1]
  - SecurityContextConstraints [security.openshift.io/v1]
  - ServiceAccount [undefined/v1]
- Storage apis
  - About Storage apis
  - CSIDriver [storage.k8s.io/v1]
  - CSINode [storage.k8s.io/v1]
  - CSIStorageCapacity [storage.k8s.io/v1]
  - PersistentVolume [undefined/v1]
  - PersistentVolumeClaim [undefined/v1]
  - StorageClass [storage.k8s.io/v1]
  - StorageState [migration.k8s.io/v1alpha1]
  - StorageVersionMigration [migration.k8s.io/v1alpha1]
  - VolumeAttachment [storage.k8s.io/v1]
  - VolumeSnapshot [snapshot.storage.k8s.io/v1]
  - VolumeSnapshotClass [snapshot.storage.k8s.io/v1]
  - VolumeSnapshotContent [snapshot.storage.k8s.io/v1]
- Template apis
  - About Template apis
  - BrokerTemplateInstance [template.openshift.io/v1]
  - PodTemplate [undefined/v1]
  - Template [template.openshift.io/v1]
  - TemplateInstance [template.openshift.io/v1]
- User and group apis
  - About User and group apis
  - Group [user.openshift.io/v1]
  - Identity [user.openshift.io/v1]
  - UserIdentityMapping [user.openshift.io/v1]
  - User [user.openshift.io/v1]
- Workloads apis
  - About Workloads apis
  - BuildConfig [build.openshift.io/v1]
  - Build [build.openshift.io/v1]
  - BuildLog [build.openshift.io/v1]
  - BuildRequest [build.openshift.io/v1]
  - CronJob [batch/v1]
  - DaemonSet [apps/v1]
  - Deployment [apps/v1]
  - DeploymentConfig [apps.openshift.io/v1]
  - DeploymentConfigRollback [apps.openshift.io/v1]
  - DeploymentLog [apps.openshift.io/v1]
  - DeploymentRequest [apps.openshift.io/v1]
  - Job [batch/v1]
  - Pod [undefined/v1]
  - ReplicationController [undefined/v1]
  - ReplicaSet [apps/v1]
  - StatefulSet [apps/v1]
Virtualization
- About
- Getting started
  - Getting started with OKD Virtualization
- Installing
- Postinstallation configuration
- Updating
  - Updating OKD Virtualization
- Virtual machines
- Networking
- Storage
- Live migration
- Nodes
- Monitoring
- Support
  - Support overview
  - Troubleshooting
- Backup and restore

Purpose
Management
Expiration
Customization

Purpose

Aggregated api client certificates are used to authenticate the KubeapiServer when connecting to the Aggregated api Servers.

Management

These certificates are managed by the system and not the user.

Expiration

This CA is valid for 30 days.

The managed client certificates are valid for 30 days.

CA and client certificates are rotated automatically through the use of controllers.

Customization

You cannot customize the aggregated api server certificates.

Aggregated api client certificates

Purpose

Management

Expiration

Customization