This is a clone of issue RHEL-80331 to use for version rhel-8.10.z
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Original description:

What were you trying to do that didn't work?

Subscribing a VM with Satellite using an activation key in cloud-init fails if 'org' is a string.

What is the impact of this issue to you?

Important, as it's preventing updates in customer's machine fleet.

Please provide the package NVR for which the bug is seen:

cloud-init-23.4-19.el9_5.4.noarch

How reproducible is this bug?:

Always in customer environment. I've not tried to reproduce it locally.

Steps to reproduce

1. In Satellite, have an org using a string instead of a number.
2. Create an activation key.
3. Provision a VM and try to subscribe it using the activation key. Add something like this to cloud-init user data:

rh_subscription:
  activation-key: my-activation-key
  org: my-org

Expected results

System subscribed

Actual results

Registration failed.

When validating the schema:

# cloud-init schema --system
Invalid user-data /var/lib/cloud/...
Error: Cloud config schema errors: rh_subscription.org: 'my-org' is not of type 'integer'

This issue is already fixed upstream:

https://github.com/canonical/cloud-init/issues/5382