[Solved] What will happen if you create a Subscription with a non-existent operator name in OperatorHub? — Ans: The Subscription will remain in Pending state and no operator will be installed | Kubernetes

Kubernetes - Operators and Custom Resources

What will happen if you create a Subscription with a non-existent operator name in OperatorHub?

AThe Subscription will remain in Pending state and no operator will be installed

BThe operator will be installed with default settings

CThe Subscription will delete itself automatically

DThe cluster will crash due to invalid Subscription

Step-by-Step Solution

Solution:

Step 1: Understand Subscription behavior with invalid operator
If the operator name does not exist in OperatorHub, the Subscription cannot find the operator to install.
Step 2: Result of invalid Subscription
The Subscription remains in Pending or Failed state without installing anything; it does not delete itself or crash the cluster.
Final Answer:
The Subscription will remain in Pending state and no operator will be installed -> Option A
Quick Check:
Invalid operator name = Subscription Pending [OK]

Quick Trick: Invalid operator name causes Subscription to stay Pending [OK]

Common Mistakes:

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What will happen if you create a Subscription with a non-existent operator name in OperatorHub?