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pulsar_ns_isolation_policy.md

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PulsarNSIsolationPolicy

Overview

The PulsarNSIsolationPolicy resource defines a ns-isolation-policy in a Pulsar cluster. It allows you to configure namespace isolation policies to limit the set of brokers that can be used for assignment.

Specifications

Field Description Required
name The name of the policy. Yes
connectionRef Reference to the PulsarConnection resource used to connect to the Pulsar cluster for this namespace. Yes
cluster The name of the cluster. Yes
namespaces A list of fully qualified namespace name in the format "tenant/namespace". Yes
primary A list of primary-broker-regex. Yes
secondary A list of secondary-broker-regex. No
autoFailoverPolicyType Auto failover policy type name, only support min_available now. Yes
autoFailoverPolicyParams A map of auto failover policy parameters. Yes

Create A Pulsar ns-isolation-policy

  1. Define a isolation policy named test-policy by using the YAML file and save the YAML file policy.yaml.
apiVersion: resource.streamnative.io/v1alpha1
kind: PulsarNSIsolationPolicy
metadata:
  name: test-pulsar-ns-isolation-policy
  namespace: test
spec:
  name: test-policy
  cluster: standalone
  connectionRef:
    name: test-pulsar-connection
  namespaces:
    - test-tenant/test-ns
  primary:
    - test-pulsar-broker-0.*
  secondary:
    - test-pulsar-broker-1.*
  autoFailoverPolicyType: min_available
  autoFailoverPolicyParams:
    min_limit: "1"
    usage_threshold: "80"
  1. Apply the YAML file to create the ns-isolation-policy.
kubectl apply -f policy.yaml
  1. Check the resource status. When column Ready is true, it indicates the resource is created successfully in the pulsar cluster
kubectl -n test get pulsarnsisolationpolicy.resource.streamnative.io
NAME                                        RESOURCE_NAME        GENERATION   OBSERVED_GENERATION   READY
test-pulsar-ns-isolation-policy             test-policy          1            1                     True

Update A Pulsar ns-isolation-policy

You can update the ns-isolation-policy by editing the policy.yaml file and then applying it again using kubectl apply -f policy.yaml. This allows you to modify various settings of the Pulsar ns-isolation-policy.

After applying changes, you can check the status of the update using:

kubectl -n test get pulsarnsisolationpolicy.resource.streamnative.io

The OBSERVED_GENERATION should increment, and READY should become True when the update is complete.

Delete A Pulsar ns-isolation-policy

To delete a PulsarNSIsolationPolicy resource, use the following kubectl command:

kubectl -n test delete pulsarnsisolationpolicy.resource.streamnative.io test-pulsar-ns-isolation-policy