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Ask an OpenShift Admin (Ep 44): Kubernetes API Deprecations

Ask an OpenShift Admin (Ep 44): Kubernetes API Deprecations

Are your Operators ready for the release of Kubernetes 1.22? It's a good idea to double-check because several APIs that have previously been marked as deprecated will be removed and are no longer available in 1.22. To help us cover this change Rob Szumski, Senior Manager, Openshift Product Management, joins us to discuss the details and ensure we avoid removed API versions. We'll also look at the steps needed to upgrade to newer APIs because Operators projects using these APIs versions will not work on Kubernetes 1.22 or any cluster vendor using Kubernetes version 1.22, such as OpenShift 4.9+.

YouTube: https://youtu.be/w7IiR-poSco

Red Hat Livestreaming

September 22, 2021

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  1. Changes to v1.22 and OpenShift 4.9
    Kubernetes API
    Rob Szumski
    OpenShift Product Management

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  2. 2
    Operators that use the beta versions of the following APIs will
    accordingly need to be updated to use the stable APIs. These APIs are
    commonly used by Operators:
    ▸ CustomResourceDefinition (CRD)
    ▸ ValidatingWebhookConfiguration
    ▸ MutatingWebhookConfiguration
    ▸ CertificateSigningRequest
    API deprecations in v1.22 and OpenShift 4.9

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  3. 3
    ▸ Grep for apiextensions.k8s.io/v1beta1
    ▸ Use the Operator SDK: operator-sdk bundle validate
    ./bundle --select-optional suite=operatorframework
    How to check your Operator usage?

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  4. 4
    How to check your live usage?

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  5. 5
    $ oc get apirequestcount.apiserver.openshift.io
    $ oc get apirequestcount.apiserver.openshift.io/
    validatingwebhookconfigurations 1.22 4 362
    How to check your live usage?

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  6. 6
    ValidatingWebhookConfiguration and MutatingWebhookConfiguration
    are both automatically addressed by OLM and will be created using the
    correct API version if they are managed as part of the operator
    packaging format.
    ▸ Get this for free from our TLS cert management features used for
    metrics collection
    Operator Lifecycle Manager (OLM) autoconversion

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  7. linkedin.com/company/red-hat
    Red Hat is the world’s leading provider of enterprise
    open source software solutions. Award-winning
    support, training, and consulting services make
    Red Hat a trusted adviser to the Fortune 500.
    Thank you

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