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e8593cf7cd
Change `operatorhub` to `software-catalog` in filenames, includes, xrefs, and topic map files
64 lines
3.1 KiB
Plaintext
64 lines
3.1 KiB
Plaintext
:_mod-docs-content-type: ASSEMBLY
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[id="olm-cs-podsched"]
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= Catalog source pod scheduling
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include::_attributes/common-attributes.adoc[]
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:context: olm-cs-podsched
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toc::[]
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When an Operator Lifecycle Manager (OLM) catalog source of source type `grpc` defines a `spec.image`, the Catalog Operator creates a pod that serves the defined image content. By default, this pod defines the following in its specification:
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* Only the `kubernetes.io/os=linux` node selector.
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* The default priority class name: `system-cluster-critical`.
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* No tolerations.
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As an administrator, you can override these values by modifying fields in the `CatalogSource` object's optional `spec.grpcPodConfig` section.
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[IMPORTANT]
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====
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The Marketplace Operator, `openshift-marketplace`, manages the default `OperatorHub` custom resource's (CR). This CR manages `CatalogSource` objects. If you attempt to modify fields in the `CatalogSource` object's `spec.grpcPodConfig` section, the Marketplace Operator automatically reverts these modifications. By default, if you modify fields in the `spec.grpcPodConfig` section of the `CatalogSource` object, the Marketplace Operator automatically reverts these changes.
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To apply persistent changes to `CatalogSource` object, you must first disable a default `CatalogSource` object.
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====
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[role="_additional-resources"]
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.Additional resources
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* xref:../../operators/understanding/olm/olm-understanding-olm.adoc#olm-catalogsource_olm-understanding-olm[OLM concepts and resources -> Catalog source]
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include::modules/disabling-catalogsource-objects.adoc[leveloffset=+1]
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[role="_additional-resources"]
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.Additional resources
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* xref:../../operators/understanding/olm-understanding-software-catalog.adoc#olm-software-catalog-arch-operatorhub-crd_olm-understanding-software-catalog[OperatorHub custom resource]
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ifndef::openshift-dedicated,openshift-rosa,openshift-rosa-hcp[]
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* xref:../../disconnected/using-olm.adoc#olm-restricted-networks-operatorhub_olm-restricted-networks[Disabling the default OperatorHub catalog sources]
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endif::openshift-dedicated,openshift-rosa,openshift-rosa-hcp[]
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include::modules/olm-node-selector.adoc[leveloffset=+1]
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[role="_additional-resources"]
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.Additional resources
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* xref:../../nodes/scheduling/nodes-scheduler-node-selectors.adoc#nodes-scheduler-node-selectors[Placing pods on specific nodes using node selectors]
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include::modules/olm-priority-class-name.adoc[leveloffset=+1]
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[role="_additional-resources"]
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.Additional resources
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* xref:../../nodes/pods/nodes-pods-priority.adoc#admin-guide-priority-preemption-priority-class_nodes-pods-priority[Pod priority classes]
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include::modules/olm-tolerations.adoc[leveloffset=+1]
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// The following xref points to a topic that is not included in the OSD or
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// ROSA docs.
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ifndef::openshift-dedicated,openshift-rosa,openshift-rosa-hcp[]
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[role="_additional-resources"]
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.Additional resources
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* xref:../../nodes/scheduling/nodes-scheduler-taints-tolerations.adoc#nodes-scheduler-taints-tolerations-about_nodes-scheduler-taints-tolerations[Understanding taints and tolerations]
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endif::openshift-dedicated,openshift-rosa,openshift-rosa-hcp[]
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