Unattended support for the new authentication model

[jreidinger]

Problem

There is plan to adopt new authentication model where root password does not need to be set and use other ways to authenticate.

trello: https://trello.com/c/qRvd2Q4K/4182-5-agama-unattended-support-for-the-new-authentication-model

Solution

As the first step ensure that unattended installation allows and works with new authentication model. This includes following changes:

• first user will be in wheel group
• root password is explicitelly locked if not specified
• if root ssh key is used, ensure that sshd is enabled and firewall has port open
• for TW/slowroll use new first user policy by installing proper package

Testing

• Tested manually

AI

• check SLES situation

[coveralls]

Pull Request Test Coverage Report for Build 13415089503

Details

• 15 of 15 (100.0%) changed or added relevant lines in 1 file are covered.
• 3 unchanged lines in 1 file lost coverage.
• Overall coverage increased (+0.04%) to 70.881%

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Files with Coverage Reduction	New Missed Lines	%
service/service/lib/agama/users.rb	3	97.22%

Totals
Change from base Build 13414154868:	0.04%
Covered Lines:	17833
Relevant Lines:	25159

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💛 - Coveralls