Skip to content
CKACluster Architecture, Installation & ConfigurationSingle nodeEasy

PriorityClass and a prioritized Pod

Scenario cka-arc-008 · about 6 minutes · 5 points · 6 grader checks

Create a non-default PriorityClass and run a Pod that uses it.

  • priorityclass
  • scheduling
  • pod

What you will practise

  • Create a PriorityClass with a value
  • Control the globalDefault flag
  • Assign a PriorityClass to a Pod

Start this lab

With the CLI installed and signed in, this command provisions a single node cluster on your Mac, applies the scenario setup and prints the task below.

goldenkube start cka-arc-008

Task

The task text exactly as the CLI shows it. Solve it on the cluster, then run goldenkube submit.

Create a PriorityClass named "high-prio" with value 100000. It must NOT be the global default. Then create a Pod named "critical" in the namespace "default", image nginx:1.27, that uses the PriorityClass "high-prio". The Pod must be Running.

Requirements and details

Certification
CKA · Certified Kubernetes Administrator
Domain
Cluster Architecture, Installation & Configuration
Difficulty
Easy
Cluster topology
Single node
Cluster features
None beyond the base cluster
Recommended time
6 minutes
Points
5
Grader checks
6
Kubernetes version
1.37
Minimum CLI version
0.1.0
Scenario version
1
Published

Grading runs locally: 6 state checks read your cluster when you submit; the scenario passes when every check passes. Hints, the reference solution and the check definitions are available only inside the CLI, not on this page.

Install the CLICreate a free account

More Cluster Architecture, Installation & Configuration labs

CKACluster Architecture, Installation & ConfigurationMedium

Namespaced RBAC: Role and RoleBinding for a ServiceAccount

Grant a ServiceAccount read access to pods in one namespace using a Role and a RoleBinding.

Single node · ~6 min · 6 points

  • rbac
  • role
  • rolebinding
  • serviceaccount
  • namespace

goldenkube start cka-arc-001

CKACluster Architecture, Installation & ConfigurationMedium

Cluster-scoped RBAC: ClusterRole for listing nodes

Grant a namespaced ServiceAccount cluster-wide read access to nodes using a ClusterRole and ClusterRoleBinding.

Single node · ~6 min · 6 points

  • rbac
  • clusterrole
  • clusterrolebinding
  • serviceaccount
  • nodes

goldenkube start cka-arc-002

CKACluster Architecture, Installation & ConfigurationMedium

etcd snapshot backup

Take a snapshot of the cluster's etcd datastore and store it as a file on the control plane node.

Single node · ~8 min · 6 points

  • etcd
  • backup
  • etcdctl
  • control-plane

goldenkube start cka-arc-003

CKACluster Architecture, Installation & ConfigurationEasy

Long-lived ServiceAccount token Secret

Create a ServiceAccount and a controller-populated long-lived token Secret bound to it.

Single node · ~6 min · 5 points

  • serviceaccount
  • secret
  • token
  • authentication

goldenkube start cka-arc-004

Independent community project, not affiliated with or endorsed by CNCF or The Linux Foundation. Lab results are practice feedback, not an exam score.