Description of problem:

When SkipRhelEnforcement: false and running the update on osp17 we have this failure:

2022-07-05 11:40:26.427831 | 525400f1-4263-59d7-1127-00000000019e |       TASK | unknown failure during call to subscription-manager
host: undercloud-0, task: TASK: tripleo_redhat_enforce : fails if the release is not correct
undercloud-0 still blocked
host: undercloud-0, task: TASK: tripleo_redhat_enforce : fails if the release is not correct
undercloud-0 still blocked
host: undercloud-0, task: TASK: tripleo_redhat_enforce : fails if the release is not correct
undercloud-0 still blocked
2022-07-05 11:40:26.469637 | 525400f1-4263-59d7-1127-00000000019e |      FATAL | unknown failure during call to subscription-manager | undercloud-0 | error={
    "changed": false,
    "msg": "Unknow failure during 'subscription-manager release --show': subscription-manager is disabled when running inside a container. Please refer to your host system for subscription management."
}

This is because the file /run/.containerenv is present on the host.

The final fix is https://bugzilla.redhat.com/show_bug.cgi?id=2097694, but until merged we might want to have a workaround around in the code. 


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