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67 lines
1.7 KiB
Plaintext
67 lines
1.7 KiB
Plaintext
// Module included in the following assemblies:
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//
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// * operators/understanding/olm/olm-understanding-olm.adoc
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// * operators/operator-reference.adoc
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[id="olm-architecture_{context}"]
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ifeval::["{context}" != "cluster-operators-ref"]
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= Component responsibilities
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endif::[]
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ifeval::["{context}" == "cluster-operators-ref"]
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= CRDs
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endif::[]
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Operator Lifecycle Manager (OLM) is composed of two Operators: the OLM Operator and the Catalog Operator.
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Each of these Operators is responsible for managing the custom resource definitions (CRDs) that are the basis for the OLM framework:
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.CRDs managed by OLM and Catalog Operators
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[cols="2a,1a,1a,8a",options="header"]
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|===
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|Resource |Short name |Owner |Description
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|`ClusterServiceVersion` (CSV)
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|`csv`
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|OLM
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|Application metadata: name, version, icon, required resources, installation, and so on.
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|`InstallPlan`
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|`ip`
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|Catalog
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|Calculated list of resources to be created to automatically install or upgrade a CSV.
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|`CatalogSource`
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|`catsrc`
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|Catalog
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|A repository of CSVs, CRDs, and packages that define an application.
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|`Subscription`
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|`sub`
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|Catalog
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|Used to keep CSVs up to date by tracking a channel in a package.
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|`OperatorGroup`
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|`og`
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|OLM
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|Configures all Operators deployed in the same namespace as the `OperatorGroup` object to watch for their custom resource (CR) in a list of namespaces or cluster-wide.
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|===
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Each of these Operators is also responsible for creating the following resources:
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.Resources created by OLM and Catalog Operators
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[options="header"]
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|===
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|Resource |Owner
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|`Deployments`
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.4+.^|OLM
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|`ServiceAccounts`
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|`(Cluster)Roles`
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|`(Cluster)RoleBindings`
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|`CustomResourceDefinitions` (CRDs)
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.2+.^|Catalog
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|`ClusterServiceVersions`
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|===
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