January 2020
Intermediate to advanced
260 pages
6h 37m
German
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KAPITEL 23
Operator
Ein Operator ist ein Controller, der eine CRD (CustomResourceDefinitions) nutzt, um operatives Wissen für eine bestimmte Anwendung in einer algorithmischen und automatisierten Form zu verpacken. Das Operator-Pattern erlaubt es, das Controller-Pattern aus dem vorigen Kapitel für mehr Flexibilität und bessere Expressivität zu erweitern.
Problem
Sie haben in Kapitel 22 gelernt, wie Sie die Kubernetes-Plattform auf einfache und entkoppelte Art und Weise erweitern können. Aber für umfangreichere Anwendungsfälle sind eigene Controller nicht leistungsfähig genug, da sie darauf beschränkt sind, die Kubernetes eigenen Ressourcen zu beobachten und zu managen. Manchmal wollen wir aber die Plattform um neue Konzepte ergänzen, für die ...
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