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Code Issues Releases Activity

Add notes on restrictions for overriding probes

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Fix the information on which probes can be overridden

Add missing net-istio-webhook information regarding probes

Co-authored-by: Martin Gencur <mgencur@redhat.com>
This commit is contained in:
Maxim Svistunov
2023-04-05 10:38:52 +02:00
committed by openshift-cherrypick-robot
parent b8c628f7d7
commit 34ea23ff2a
2 changed files with 27 additions and 2 deletions
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17
serverless/eventing/tuning/overriding-config-eventing.adoc
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@@ -6,7 +6,22 @@ include::_attributes/common-attributes.adoc[]
toc::[]
You can override the default configurations for some specific deployments by modifying the `deployments` spec in the `KnativeEventing` custom resource (CR).
You can override the default configurations for some specific deployments by modifying the `deployments` spec in the `KnativeEventing` custom resource (CR). Currently, overriding default configuration settings is supported for the `eventing-controller`, `eventing-webhook`, and `imc-controller` fields, as well as for the `readiness` and `liveness` fields for probes.
[IMPORTANT]
====
The `replicas` spec cannot override the number of replicas for deployments that use the Horizontal Pod Autoscaler (HPA), and does not work for the `eventing-webhook` deployment.
====
[NOTE]
====
You can only override probes that are defined in the deployment by default.
All Knative Serving deployments define a readiness and a liveness probe by default, with these exceptions:
* `net-kourier-controller` and `3scale-kourier-gateway` only define a readiness probe.
* `net-istio-controller` and `net-istio-webhook` define no probes.
====
include::modules/knative-eventing-CR-system-deployments.adoc[leveloffset=+1]

12
serverless/knative-serving/config-applications/overriding-config-serving.adoc
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@@ -6,8 +6,18 @@ include::_attributes/common-attributes.adoc[]
You can override the default configurations for some specific deployments by modifying the `deployments` spec in the `KnativeServing` custom resources (CRs).
[NOTE]
====
You can only override probes that are defined in the deployment by default.
All Knative Serving deployments define a readiness and a liveness probe by default, with these exceptions:
* `net-kourier-controller` and `3scale-kourier-gateway` only define a readiness probe.
* `net-istio-controller` and `net-istio-webhook` define no probes.
====
include::modules/knative-serving-CR-system-deployments.adoc[leveloffset=+1]
[role="_additional-resources"]
.Additional resources
* link:https://kubernetes.io/docs/reference/generated/kubernetes-api/v1.25/#probe-v1-core[Probe configuration section of the Kubernetes API documentation]
* link:https://kubernetes.io/docs/reference/generated/kubernetes-api/v1.25/#probe-v1-core[Probe configuration section of the Kubernetes API documentation]