[V2] CLI host flag validation

skupperproject / skupper

Skupper is an implementation of a Virtual Application Network, enabling rich hybrid cloud communication.

http://skupper.io

Apache License 2.0

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[V2] CLI host flag validation #1741

Open lynnemorrison opened 1 month ago

lynnemorrison commented 1 month ago

We need to add a validator to the host flag in the CLI. For both kube and nonkube CLI we need to validate the host flag being passed. We need to understand what values are valid for the host flag.

lynnemorrison commented 1 month ago

@grs and @ssorj can you help me with what values are allowed in this field.

nluaces commented 1 month ago

My suggestion is to:

Check if it is an IP
If not, check if the length is equal or less than a number and that it only contains allowed characters: alphabetic characters (A-Z), numeric characters (0-9), the minus sign (-), and the period (.)