OpenShift control plane nodes

E816917

OpenShift control plane nodes are dedicated cluster machines that run the core Kubernetes and OpenShift management components responsible for scheduling, API access, and overall cluster orchestration.

All labels observed (2)

Label Occurrences
OpenShift control plane 1
OpenShift control plane nodes canonical 1

How this entity was disambiguated

Statements (50)

Predicate Object
instanceOf Kubernetes control plane node ⓘ
OpenShift component ⓘ
cluster node role ⓘ
belongsTo control-plane machine pool ⓘ
communicatesWith OpenShift worker node ⓘ
cluster etcd members ⓘ
ingress load balancer ⓘ
configuredVia Ignition configuration ⓘ
MachineConfig resources ⓘ
criticalFor cluster availability ⓘ
cluster reliability ⓘ
cluster scalability ⓘ
exposes Kubernetes API endpoint ⓘ
OpenShift API endpoint ⓘ
hasRole control plane ⓘ
managedBy OpenShift Cluster Version Operator ⓘ
OpenShift Machine Config Operator ⓘ
maySchedule infrastructure workloads in some configurations ⓘ
monitoredBy OpenShift monitoring stack ⓘ
notIntendedFor user application workloads ⓘ
oftenDeployedIn five-node control plane ⓘ
odd number of nodes for etcd quorum ⓘ
three-node control plane ⓘ
partOf OpenShift cluster ⓘ
linked to: OpenShift Platform
requires high availability configuration ⓘ
redundant instances for production ⓘ
responsibleFor API access to the cluster ⓘ
admission control ⓘ
authentication and authorization of API requests ⓘ
cluster scheduling decisions ⓘ
cluster state management ⓘ
cluster-level reconciliation ⓘ
control loop execution ⓘ
overall cluster orchestration ⓘ
runs Kubernetes API server ⓘ
linked to: kube-apiserver

OpenShift API server ⓘ
OpenShift controller manager ⓘ
etcd ⓘ
kube-apiserver ⓘ
kube-controller-manager ⓘ
kube-scheduler ⓘ
securedBy TLS encryption for API traffic ⓘ
role-based access control ⓘ
typicallyDeployedAs bare metal server ⓘ
dedicated machine ⓘ
virtual machine ⓘ
uses Kubernetes control plane components ⓘ
etcd as backing store ⓘ
linked to: etcd
usuallyRunsOn RHCOS ⓘ
linked to: Red Hat CoreOS

Red Hat Enterprise Linux CoreOS ⓘ
linked to: Red Hat CoreOS

How these facts were elicited

Referenced by (2)

Full triples — surface form annotated when it differs from this entity's canonical label.

Red Hat CoreOS → usedAs → OpenShift control plane nodes ⓘ
OpenShift worker nodes → managedBy → OpenShift control plane ⓘ
linked to: OpenShift control plane nodes