Kubernetes Fundamentals by Unknown

Author:Unknown
Language: eng
Format: epub

Chapter 5 ObjeCts ImpOrtant FOr a seCure Kubernetes Cluster

But the clear disadvantage of working with the default or only one

namespace is that you cannot take advantage of distributing resources

based on a defined strategy and implementing resource quotas and limits.

Do All Kubernetes Resources Fall Under

Some Namespace?

No, not all Kubernetes resources fall under some namespace. Some high-

level objects, such as nodes and persistent volumes, do not fall under any

category. All low-level objects such as pods, jobs, cron jobs, services, etc.,

fall under some namespace.

How to Check Which Resources Are in a Namespace

And Which Are Not?

You can use the following commands to list the objects that fall under a

namespace and that do not fall under a namespace:

• kubectl api-resources --namespaced=true

• kubectl api-resources --namespaced=false

The first command will list those resources that fall under a

namespace, and the second command will list those resources that do not

fall under a namespace.

In Figure 5-18 you can see that objects such as nodes, namespaces, persistent volumes, etc., do not fall under any namespace.

Figure 5-18. Execution logs depicting the objects that do not fall

under a namespace

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