6.32. Operator Lifecycle Manager (OLM) Classic Operators
从 OpenShift Container Platform 4 开始，Operator Lifecycle Manager (OLM)经典已被包括在 OpenShift Container Platform 4 中，并管理集群 Operator 和附加组件 Operator 的生命周期。
6.32.1. 关于 Operator Lifecycle Manager (OLM) Classic
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Operator Lifecycle Manager (OLM) Classic 可帮助用户安装、更新和管理 Kubernetes 原生应用程序(Operator)以及在 OpenShift Container Platform 集群中运行的关联服务的生命周期。Operator Lifecycle Manager (OLM)经典形式 Operator Framework，它是一个开源工具包，旨在以有效、自动化且可扩展的方式管理 Operator。
图 6.1. OLM (Classic) 工作流
OLM 默认在 OpenShift Container Platform 4.21 中运行，辅助集群管理员对集群上运行的 Operator 进行安装、升级和授予访问权。OpenShift Container Platform Web 控制台提供一些管理界面，供集群管理员安装 Operator，以及为特定项目授权以便使用集群上的可用 Operator 目录。
开发人员通过自助服务体验，无需成为相关问题的专家也可自由置备和配置数据库、监控和大数据服务的实例，因为 Operator 已将相关知识融入其中。
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