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Chapter 2. Ingress Operator in OpenShift Dedicated
The Ingress Operator implements the IngressController
API and is the component responsible for enabling external access to OpenShift Dedicated cluster services.
This Operator is installed on OpenShift Dedicated clusters by default.
2.1. OpenShift Dedicated Ingress Operator リンクのコピーリンクがクリップボードにコピーされました!
When you create your OpenShift Dedicated cluster, pods and services running on the cluster are each allocated their own IP addresses. The IP addresses are accessible to other pods and services running nearby but are not accessible to outside clients.
The Ingress Operator makes it possible for external clients to access your service by deploying and managing one or more HAProxy-based Ingress Controllers to handle routing.
Red Hat Site Reliability Engineers (SRE) manage the Ingress Operator for OpenShift Dedicated clusters. While you cannot alter the settings for the Ingress Operator, you may view the default Ingress Controller configurations, status, and logs as well as the Ingress Operator status.
2.2. View the default Ingress Controller リンクのコピーリンクがクリップボードにコピーされました!
The Ingress Operator is a core feature of OpenShift Dedicated and is enabled out of the box.
Every new OpenShift Dedicated installation has an ingresscontroller
named default. It can be supplemented with additional Ingress Controllers. If the default ingresscontroller
is deleted, the Ingress Operator will automatically recreate it within a minute.
Procedure
View the default Ingress Controller:
oc describe --namespace=openshift-ingress-operator ingresscontroller/default
$ oc describe --namespace=openshift-ingress-operator ingresscontroller/default
Copy to Clipboard Copied! Toggle word wrap Toggle overflow
2.3. View Ingress Operator status リンクのコピーリンクがクリップボードにコピーされました!
You can view and inspect the status of your Ingress Operator.
Procedure
View your Ingress Operator status:
oc describe clusteroperators/ingress
$ oc describe clusteroperators/ingress
Copy to Clipboard Copied! Toggle word wrap Toggle overflow
2.4. View Ingress Controller logs リンクのコピーリンクがクリップボードにコピーされました!
You can view your Ingress Controller logs.
Procedure
View your Ingress Controller logs:
oc logs --namespace=openshift-ingress-operator deployments/ingress-operator -c <container_name>
$ oc logs --namespace=openshift-ingress-operator deployments/ingress-operator -c <container_name>
Copy to Clipboard Copied! Toggle word wrap Toggle overflow
2.5. View Ingress Controller status リンクのコピーリンクがクリップボードにコピーされました!
Your can view the status of a particular Ingress Controller.
Procedure
View the status of an Ingress Controller:
oc describe --namespace=openshift-ingress-operator ingresscontroller/<name>
$ oc describe --namespace=openshift-ingress-operator ingresscontroller/<name>
Copy to Clipboard Copied! Toggle word wrap Toggle overflow
2.6. Management of default Ingress Controller functions リンクのコピーリンクがクリップボードにコピーされました!
The following table details the components of the default
Ingress Controller managed by the Ingress Operator and whether Red Hat Site Reliability Engineering (SRE) maintains this component on OpenShift Dedicated clusters.
Ingress component | Managed by | Default configuration? |
---|---|---|
Scaling Ingress Controller | SRE | Yes |
Ingress Operator thread count | SRE | Yes |
Ingress Controller access logging | SRE | Yes |
Ingress Controller sharding | SRE | Yes |
Ingress Controller route admission policy | SRE | Yes |
Ingress Controller wildcard routes | SRE | Yes |
Ingress Controller X-Forwarded headers | SRE | Yes |
Ingress Controller route compression | SRE | Yes |